diff --git a/avconv.c b/avconv.c
index 319823b056..c48d16777c 100644
--- a/avconv.c
+++ b/avconv.c
@@ -508,7 +508,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     } else {
         int got_packet;
 
-        if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
+        if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
             ost->top_field_first >= 0)
             in_picture->top_field_first = !!ost->top_field_first;
 
@@ -576,7 +576,7 @@ static void do_video_stats(OutputStream *ost, int frame_size)
 
 #if FF_API_CODED_FRAME
 FF_DISABLE_DEPRECATION_WARNINGS
-        if (enc->flags&CODEC_FLAG_PSNR)
+        if (enc->flags & AV_CODEC_FLAG_PSNR)
             fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
@@ -891,7 +891,7 @@ static void print_report(int is_last_report, int64_t timer_start)
 
 #if FF_API_CODED_FRAME
 FF_DISABLE_DEPRECATION_WARNINGS
-            if (enc->flags&CODEC_FLAG_PSNR) {
+            if (enc->flags & AV_CODEC_FLAG_PSNR) {
                 int j;
                 double error, error_sum = 0;
                 double scale, scale_sum = 0;
diff --git a/avconv_opt.c b/avconv_opt.c
index fbac91f441..97754169bf 100644
--- a/avconv_opt.c
+++ b/avconv_opt.c
@@ -984,12 +984,12 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
 
     MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
     if (qscale >= 0) {
-        ost->enc_ctx->flags |= CODEC_FLAG_QSCALE;
+        ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
         ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
     }
 
     if (oc->oformat->flags & AVFMT_GLOBALHEADER)
-        ost->enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
+        ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 
     av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags);
 
@@ -1165,9 +1165,9 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
         MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
         if (do_pass) {
             if (do_pass == 1) {
-                video_enc->flags |= CODEC_FLAG_PASS1;
+                video_enc->flags |= AV_CODEC_FLAG_PASS1;
             } else {
-                video_enc->flags |= CODEC_FLAG_PASS2;
+                video_enc->flags |= AV_CODEC_FLAG_PASS2;
             }
         }
 
@@ -1187,7 +1187,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
             if (!strcmp(ost->enc->name, "libx264")) {
                 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
             } else {
-                if (video_enc->flags & CODEC_FLAG_PASS1) {
+                if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
                     f = fopen(logfilename, "wb");
                     if (!f) {
                         av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
diff --git a/avplay.c b/avplay.c
index 7437bd615c..fe9298e649 100644
--- a/avplay.c
+++ b/avplay.c
@@ -2089,7 +2089,8 @@ static int stream_component_open(VideoState *is, int stream_index)
     avctx->skip_loop_filter  = skip_loop_filter;
     avctx->error_concealment = error_concealment;
 
-    if (fast)   avctx->flags2 |= CODEC_FLAG2_FAST;
+    if (fast)
+        avctx->flags2 |= AV_CODEC_FLAG2_FAST;
 
     if (!av_dict_get(opts, "threads", NULL, 0))
         av_dict_set(&opts, "threads", "auto", 0);
diff --git a/doc/examples/avcodec.c b/doc/examples/avcodec.c
index 1478881c25..1fd0a60254 100644
--- a/doc/examples/avcodec.c
+++ b/doc/examples/avcodec.c
@@ -481,7 +481,7 @@ static void video_decode_example(const char *outfilename, const char *filename)
     picture = av_frame_alloc();
 
     if(codec->capabilities&CODEC_CAP_TRUNCATED)
-        c->flags|= CODEC_FLAG_TRUNCATED; /* we do not send complete frames */
+        c->flags |= AV_CODEC_FLAG_TRUNCATED; // we do not send complete frames
 
     /* For some codecs, such as msmpeg4 and mpeg4, width and height
        MUST be initialized there because this information is not
diff --git a/doc/examples/output.c b/doc/examples/output.c
index 0534554360..b46f9bc458 100644
--- a/doc/examples/output.c
+++ b/doc/examples/output.c
@@ -104,7 +104,7 @@ static void add_audio_stream(OutputStream *ost, AVFormatContext *oc,
 
     // some formats want stream headers to be separate
     if (oc->oformat->flags & AVFMT_GLOBALHEADER)
-        c->flags |= CODEC_FLAG_GLOBAL_HEADER;
+        c->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 
     /* initialize sample format conversion;
      * to simplify the code, we always pass the data through lavr, even
@@ -358,7 +358,7 @@ static void add_video_stream(OutputStream *ost, AVFormatContext *oc,
     }
     /* Some formats want stream headers to be separate. */
     if (oc->oformat->flags & AVFMT_GLOBALHEADER)
-        c->flags |= CODEC_FLAG_GLOBAL_HEADER;
+        c->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 }
 
 static AVFrame *alloc_picture(enum AVPixelFormat pix_fmt, int width, int height)
diff --git a/doc/examples/transcode_aac.c b/doc/examples/transcode_aac.c
index 60698f719f..30e6189942 100644
--- a/doc/examples/transcode_aac.c
+++ b/doc/examples/transcode_aac.c
@@ -191,7 +191,7 @@ static int open_output_file(const char *filename,
      * Mark the encoder so that it behaves accordingly.
      */
     if ((*output_format_context)->oformat->flags & AVFMT_GLOBALHEADER)
-        (*output_codec_context)->flags |= CODEC_FLAG_GLOBAL_HEADER;
+        (*output_codec_context)->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 
     /** Open the encoder for the audio stream to use it later. */
     if ((error = avcodec_open2(*output_codec_context, output_codec, NULL)) < 0) {
diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c
index b248d87569..ab74225380 100644
--- a/libavcodec/4xm.c
+++ b/libavcodec/4xm.c
@@ -534,7 +534,7 @@ static inline void idct_put(FourXContext *f, int x, int y)
         idct(block[i]);
     }
 
-    if (!(f->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(f->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         for (i = 4; i < 6; i++)
             idct(block[i]);
     }
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 683aee25d5..137d37f1bf 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -1063,7 +1063,7 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
 
     ff_aac_sbr_init();
 
-    avpriv_float_dsp_init(&ac->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&ac->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     ac->random_state = 0x1f2e3d4c;
 
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index a28e1a1290..1e2544182c 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -581,7 +581,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
 
         init_put_bits(&s->pb, avpkt->data, avpkt->size);
 
-        if ((avctx->frame_number & 0xFF)==1 && !(avctx->flags & CODEC_FLAG_BITEXACT))
+        if ((avctx->frame_number & 0xFF)==1 && !(avctx->flags & AV_CODEC_FLAG_BITEXACT))
             put_bitstream_info(s, LIBAVCODEC_IDENT);
         start_ch = 0;
         memset(chan_el_counter, 0, sizeof(chan_el_counter));
@@ -654,7 +654,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     avctx->frame_bits = put_bits_count(&s->pb);
 
     // rate control stuff
-    if (!(avctx->flags & CODEC_FLAG_QSCALE)) {
+    if (!(avctx->flags & AV_CODEC_FLAG_QSCALE)) {
         float ratio = avctx->bit_rate * 1024.0f / avctx->sample_rate / avctx->frame_bits;
         s->lambda *= ratio;
         s->lambda = FFMIN(s->lambda, 65536.f);
@@ -690,7 +690,7 @@ static av_cold int dsp_init(AVCodecContext *avctx, AACEncContext *s)
 {
     int ret = 0;
 
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     // window init
     ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c
index 6cfe3e32ea..af567061e0 100644
--- a/libavcodec/aacpsy.c
+++ b/libavcodec/aacpsy.c
@@ -256,7 +256,7 @@ static av_cold void lame_window_init(AacPsyContext *ctx, AVCodecContext *avctx)
     for (i = 0; i < avctx->channels; i++) {
         AacPsyChannel *pch = &ctx->ch[i];
 
-        if (avctx->flags & CODEC_FLAG_QSCALE)
+        if (avctx->flags & AV_CODEC_FLAG_QSCALE)
             pch->attack_threshold = psy_vbr_map[avctx->global_quality / FF_QP2LAMBDA].st_lrm;
         else
             pch->attack_threshold = lame_calc_attack_threshold(avctx->bit_rate / avctx->channels / 1000);
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index a0359faa2d..f9dde72472 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -182,8 +182,8 @@ static av_cold int ac3_decode_init(AVCodecContext *avctx)
     ff_mdct_init(&s->imdct_512, 9, 1, 1.0);
     ff_kbd_window_init(s->window, 5.0, 256);
     ff_bswapdsp_init(&s->bdsp);
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
-    ff_ac3dsp_init(&s->ac3dsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
+    ff_ac3dsp_init(&s->ac3dsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
     ff_fmt_convert_init(&s->fmt_conv, avctx);
     av_lfg_init(&s->dith_state, 0);
 
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 4215c10ac7..b10767a378 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -2484,7 +2484,7 @@ av_cold int ff_ac3_encode_init(AVCodecContext *avctx)
 
     ff_audiodsp_init(&s->adsp);
     ff_me_cmp_init(&s->mecc, avctx);
-    ff_ac3dsp_init(&s->ac3dsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    ff_ac3dsp_init(&s->ac3dsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     dprint_options(s);
 
diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index d106d1b263..822f431b44 100644
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -129,7 +129,7 @@ static CoefType calc_cpl_coord(CoefSumType energy_ch, CoefSumType energy_cpl)
 av_cold int ff_ac3_float_encode_init(AVCodecContext *avctx)
 {
     AC3EncodeContext *s = avctx->priv_data;
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
     return ff_ac3_encode_init(avctx);
 }
 
diff --git a/libavcodec/asvdec.c b/libavcodec/asvdec.c
index 9d1be5f391..053d37d118 100644
--- a/libavcodec/asvdec.c
+++ b/libavcodec/asvdec.c
@@ -196,7 +196,7 @@ static inline void idct_put(ASV1Context *a, AVFrame *frame, int mb_x, int mb_y)
     a->idsp.idct_put(dest_y + 8 * linesize,     linesize, block[2]);
     a->idsp.idct_put(dest_y + 8 * linesize + 8, linesize, block[3]);
 
-    if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(a->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         a->idsp.idct_put(dest_cb, frame->linesize[1], block[4]);
         a->idsp.idct_put(dest_cr, frame->linesize[2], block[5]);
     }
diff --git a/libavcodec/asvenc.c b/libavcodec/asvenc.c
index 3b0a4ac289..a96521258e 100644
--- a/libavcodec/asvenc.c
+++ b/libavcodec/asvenc.c
@@ -206,7 +206,7 @@ static inline void dct_get(ASV1Context *a, const AVFrame *frame,
     for (i = 0; i < 4; i++)
         a->fdsp.fdct(block[i]);
 
-    if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(a->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         a->pdsp.get_pixels(block[4], ptr_cb, frame->linesize[1]);
         a->pdsp.get_pixels(block[5], ptr_cr, frame->linesize[2]);
         for (i = 4; i < 6; i++)
diff --git a/libavcodec/atrac1.c b/libavcodec/atrac1.c
index 5c8f96a31c..e9f69d1d79 100644
--- a/libavcodec/atrac1.c
+++ b/libavcodec/atrac1.c
@@ -356,7 +356,7 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
 
     ff_atrac_generate_tables();
 
-    avpriv_float_dsp_init(&q->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&q->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     q->bands[0] = q->low;
     q->bands[1] = q->mid;
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index e8d2e2a875..3c3d316fe4 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -907,7 +907,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
     }
 
     ff_atrac_init_gain_compensation(&q->gainc_ctx, 4, 3);
-    avpriv_float_dsp_init(&q->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&q->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     q->units = av_mallocz(sizeof(*q->units) * avctx->channels);
     if (!q->units) {
diff --git a/libavcodec/atrac3plusdec.c b/libavcodec/atrac3plusdec.c
index 3e061afccf..93e75ef704 100644
--- a/libavcodec/atrac3plusdec.c
+++ b/libavcodec/atrac3plusdec.c
@@ -148,7 +148,7 @@ static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
         return AVERROR(EINVAL);
     }
 
-    avpriv_float_dsp_init(&ctx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&ctx->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     /* initialize IPQF */
     ff_mdct_init(&ctx->ipqf_dct_ctx, 5, 1, 32.0 / 32768.0);
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 6fb3c0fc35..470d25bc7c 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -613,6 +613,101 @@ typedef struct RcOverride{
    Note: Not everything is supported yet.
 */
 
+/**
+ * Allow decoders to produce frames with data planes that are not aligned
+ * to CPU requirements (e.g. due to cropping).
+ */
+#define AV_CODEC_FLAG_UNALIGNED       (1 <<  0)
+/**
+ * Use fixed qscale.
+ */
+#define AV_CODEC_FLAG_QSCALE          (1 <<  1)
+/**
+ * 4 MV per MB allowed / advanced prediction for H.263.
+ */
+#define AV_CODEC_FLAG_4MV             (1 <<  2)
+/**
+ * Output even those frames that might be corrupted.
+ */
+#define AV_CODEC_FLAG_OUTPUT_CORRUPT  (1 <<  3)
+/**
+ * Use qpel MC.
+ */
+#define AV_CODEC_FLAG_QPEL            (1 <<  4)
+/**
+ * Use internal 2pass ratecontrol in first pass mode.
+ */
+#define AV_CODEC_FLAG_PASS1           (1 <<  9)
+/**
+ * Use internal 2pass ratecontrol in second pass mode.
+ */
+#define AV_CODEC_FLAG_PASS2           (1 << 10)
+/**
+ * loop filter.
+ */
+#define AV_CODEC_FLAG_LOOP_FILTER     (1 << 11)
+/**
+ * Only decode/encode grayscale.
+ */
+#define AV_CODEC_FLAG_GRAY            (1 << 13)
+/**
+ * error[?] variables will be set during encoding.
+ */
+#define AV_CODEC_FLAG_PSNR            (1 << 15)
+/**
+ * Input bitstream might be truncated at a random location
+ * instead of only at frame boundaries.
+ */
+#define AV_CODEC_FLAG_TRUNCATED       (1 << 16)
+/**
+ * Use interlaced DCT.
+ */
+#define AV_CODEC_FLAG_INTERLACED_DCT  (1 << 18)
+/**
+ * Force low delay.
+ */
+#define AV_CODEC_FLAG_LOW_DELAY       (1 << 19)
+/**
+ * Place global headers in extradata instead of every keyframe.
+ */
+#define AV_CODEC_FLAG_GLOBAL_HEADER   (1 << 22)
+/**
+ * Use only bitexact stuff (except (I)DCT).
+ */
+#define AV_CODEC_FLAG_BITEXACT        (1 << 23)
+/* Fx : Flag for h263+ extra options */
+/**
+ * H.263 advanced intra coding / MPEG-4 AC prediction
+ */
+#define AV_CODEC_FLAG_AC_PRED         (1 << 24)
+/**
+ * interlaced motion estimation
+ */
+#define AV_CODEC_FLAG_INTERLACED_ME   (1 << 29)
+/**
+ * Allow non spec compliant speedup tricks.
+ */
+#define AV_CODEC_FLAG_CLOSED_GOP      (1 << 31)
+
+#define AV_CODEC_FLAG2_FAST           (1 <<  0)
+/**
+ * Skip bitstream encoding.
+ */
+#define AV_CODEC_FLAG2_NO_OUTPUT      (1 <<  2)
+/**
+ * Place global headers at every keyframe instead of in extradata.
+ */
+#define AV_CODEC_FLAG2_LOCAL_HEADER   (1 <<  3)
+/**
+ * Input bitstream might be truncated at a packet boundaries
+ * instead of only at frame boundaries.
+ */
+#define AV_CODEC_FLAG2_CHUNKS         (1 << 15)
+/**
+ * Discard cropping information from SPS.
+ */
+#define AV_CODEC_FLAG2_IGNORE_CROP    (1 << 16)
+
 /**
  * Allow decoders to produce frames with data planes that are not aligned
  * to CPU requirements (e.g. due to cropping).
@@ -1160,14 +1255,14 @@ typedef struct AVCodecContext {
 #define FF_COMPRESSION_DEFAULT -1
 
     /**
-     * CODEC_FLAG_*.
+     * AV_CODEC_FLAG_*.
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
     int flags;
 
     /**
-     * CODEC_FLAG2_*
+     * AV_CODEC_FLAG2_*
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -2482,7 +2577,7 @@ typedef struct AVCodecContext {
 
     /**
      * error
-     * - encoding: Set by libavcodec if flags&CODEC_FLAG_PSNR.
+     * - encoding: Set by libavcodec if flags & AV_CODEC_FLAG_PSNR.
      * - decoding: unused
      */
     uint64_t error[AV_NUM_DATA_POINTERS];
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index c4dbf50bb7..ece6d5c884 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -1514,7 +1514,7 @@ static av_cold int dca_decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     dca_init_vlcs();
 
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
     ff_mdct_init(&s->imdct, 6, 1, 1.0);
     ff_synth_filter_init(&s->synth);
     ff_dcadsp_init(&s->dcadsp);
diff --git a/libavcodec/dnxhddata.c b/libavcodec/dnxhddata.c
index b23e337705..0f2f06325b 100644
--- a/libavcodec/dnxhddata.c
+++ b/libavcodec/dnxhddata.c
@@ -1208,7 +1208,7 @@ int ff_dnxhd_find_cid(AVCodecContext *avctx, int bit_depth)
     for (i = 0; i < FF_ARRAY_ELEMS(ff_dnxhd_cid_table); i++) {
         const CIDEntry *cid = &ff_dnxhd_cid_table[i];
         if (cid->width == avctx->width && cid->height == avctx->height &&
-            cid->interlaced == !!(avctx->flags & CODEC_FLAG_INTERLACED_DCT) &&
+            cid->interlaced == !!(avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) &&
             cid->bit_depth == bit_depth) {
             for (j = 0; j < sizeof(cid->bit_rates); j++) {
                 if (cid->bit_rates[j] == mbs)
diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index 559fc3ae6d..b3d9161c75 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -359,7 +359,7 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame,
         ctx->idsp.idct_put(dest_y + dct_y_offset,                dct_linesize_luma, ctx->blocks[4]);
         ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[5]);
 
-        if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
+        if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
             dct_y_offset = dct_linesize_chroma << 3;
             ctx->idsp.idct_put(dest_u,                dct_linesize_chroma, ctx->blocks[2]);
             ctx->idsp.idct_put(dest_v,                dct_linesize_chroma, ctx->blocks[3]);
@@ -372,7 +372,7 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame,
         ctx->idsp.idct_put(dest_y + dct_y_offset,                dct_linesize_luma, ctx->blocks[6]);
         ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[7]);
 
-        if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
+        if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
             dct_y_offset = dct_linesize_chroma << 3;
             ctx->idsp.idct_put(dest_u,                               dct_linesize_chroma, ctx->blocks[2]);
             ctx->idsp.idct_put(dest_u + dct_x_offset,                dct_linesize_chroma, ctx->blocks[3]);
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index af1dc78448..0c36666d00 100644
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -335,7 +335,7 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
     ctx->m.mb_height = (avctx->height + 15) / 16;
     ctx->m.mb_width  = (avctx->width  + 15) / 16;
 
-    if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+    if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
         ctx->interlaced   = 1;
         ctx->m.mb_height /= 2;
     }
diff --git a/libavcodec/dpxenc.c b/libavcodec/dpxenc.c
index fc258922ac..17db94a414 100644
--- a/libavcodec/dpxenc.c
+++ b/libavcodec/dpxenc.c
@@ -130,7 +130,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     memcpy (buf +   8, "V1.0", 4);
     write32(buf +  20, 1); /* new image */
     write32(buf +  24, HEADER_SIZE);
-    if (!(avctx->flags & CODEC_FLAG_BITEXACT))
+    if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT))
         memcpy (buf + 160, LIBAVCODEC_IDENT, FFMIN(sizeof(LIBAVCODEC_IDENT), 100));
     write32(buf + 660, 0xFFFFFFFF); /* unencrypted */
 
diff --git a/libavcodec/dump_extradata_bsf.c b/libavcodec/dump_extradata_bsf.c
index 404fb59262..62773e9e8d 100644
--- a/libavcodec/dump_extradata_bsf.c
+++ b/libavcodec/dump_extradata_bsf.c
@@ -30,7 +30,7 @@ static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx,
     int cmd= args ? *args : 0;
     /* cast to avoid warning about discarding qualifiers */
     if(avctx->extradata){
-        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a')
+        if(  (keyframe && (avctx->flags2 & AV_CODEC_FLAG2_LOCAL_HEADER) && cmd == 'a')
            ||(keyframe && (cmd=='k' || !cmd))
            ||(cmd=='e')
             /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
diff --git a/libavcodec/dvenc.c b/libavcodec/dvenc.c
index fa29f0b43a..2f0a499eb3 100644
--- a/libavcodec/dvenc.c
+++ b/libavcodec/dvenc.c
@@ -197,7 +197,7 @@ static av_always_inline PutBitContext *dv_encode_ac(EncBlockInfo *bi,
 static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data,
                                               int linesize)
 {
-    if (s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+    if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
         int ps = s->ildct_cmp(NULL, data, NULL, linesize, 8) - 400;
         if (ps > 0) {
             int is = s->ildct_cmp(NULL, data,            NULL, linesize << 1, 4) +
diff --git a/libavcodec/eamad.c b/libavcodec/eamad.c
index c7183896d6..cf24ba683a 100644
--- a/libavcodec/eamad.c
+++ b/libavcodec/eamad.c
@@ -98,7 +98,7 @@ static inline void comp_block(MadContext *t, AVFrame *frame,
              frame->linesize[0],
              t->last_frame->data[0] + (mb_y*16 + ((j&2)<<2) + mv_y)*t->last_frame->linesize[0] + mb_x*16 + ((j&1)<<3) + mv_x,
              t->last_frame->linesize[0], add);
-    } else if (!(t->avctx->flags & CODEC_FLAG_GRAY)) {
+    } else if (!(t->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         int index = j - 3;
         comp(frame->data[index] + (mb_y*8)*frame->linesize[index] + mb_x * 8,
              frame->linesize[index],
@@ -114,7 +114,7 @@ static inline void idct_put(MadContext *t, AVFrame *frame, int16_t *block,
         ff_ea_idct_put_c(
             frame->data[0] + (mb_y*16 + ((j&2)<<2))*frame->linesize[0] + mb_x*16 + ((j&1)<<3),
             frame->linesize[0], block);
-    } else if (!(t->avctx->flags & CODEC_FLAG_GRAY)) {
+    } else if (!(t->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         int index = j - 3;
         ff_ea_idct_put_c(
             frame->data[index] + (mb_y*8)*frame->linesize[index] + mb_x*8,
diff --git a/libavcodec/eatgq.c b/libavcodec/eatgq.c
index 3d20c6c8ea..1f40fe8af7 100644
--- a/libavcodec/eatgq.c
+++ b/libavcodec/eatgq.c
@@ -116,7 +116,7 @@ static void tgq_idct_put_mb(TgqContext *s, int16_t (*block)[64], AVFrame *frame,
     ff_ea_idct_put_c(dest_y                + 8, linesize, block[1]);
     ff_ea_idct_put_c(dest_y + 8 * linesize    , linesize, block[2]);
     ff_ea_idct_put_c(dest_y + 8 * linesize + 8, linesize, block[3]);
-    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
          ff_ea_idct_put_c(dest_cb, frame->linesize[1], block[4]);
          ff_ea_idct_put_c(dest_cr, frame->linesize[2], block[5]);
     }
@@ -142,7 +142,7 @@ static void tgq_idct_put_mb_dconly(TgqContext *s, AVFrame *frame,
     tgq_dconly(s, dest_y                + 8, linesize, dc[1]);
     tgq_dconly(s, dest_y + 8 * linesize,     linesize, dc[2]);
     tgq_dconly(s, dest_y + 8 * linesize + 8, linesize, dc[3]);
-    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         tgq_dconly(s, dest_cb, frame->linesize[1], dc[4]);
         tgq_dconly(s, dest_cr, frame->linesize[2], dc[5]);
     }
diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c
index 256b6b4acb..dc360ce51c 100644
--- a/libavcodec/eatqi.c
+++ b/libavcodec/eatqi.c
@@ -85,7 +85,7 @@ static inline void tqi_idct_put(TqiContext *t, AVFrame *frame, int16_t (*block)[
     ff_ea_idct_put_c(dest_y              + 8, linesize, block[1]);
     ff_ea_idct_put_c(dest_y + 8*linesize    , linesize, block[2]);
     ff_ea_idct_put_c(dest_y + 8*linesize + 8, linesize, block[3]);
-    if(!(s->avctx->flags&CODEC_FLAG_GRAY)) {
+    if(!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         ff_ea_idct_put_c(dest_cb, frame->linesize[1], block[4]);
         ff_ea_idct_put_c(dest_cr, frame->linesize[2], block[5]);
     }
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index df1d990b92..cd28adb753 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -204,7 +204,7 @@ static av_always_inline int encode_line(FFV1Context *s, int w,
         diff = fold(diff, bits);
 
         if (s->ac) {
-            if (s->flags & CODEC_FLAG_PASS1) {
+            if (s->flags & AV_CODEC_FLAG_PASS1) {
                 put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat,
                                   s->rc_stat2[p->quant_table_index][context]);
             } else {
@@ -566,7 +566,7 @@ static av_cold int ffv1_encode_init(AVCodecContext *avctx)
 
     s->version = 0;
 
-    if ((avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) ||
+    if ((avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) ||
         avctx->slices > 1)
         s->version = FFMAX(s->version, 2);
 
@@ -735,7 +735,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     s->picture_number = 0;
 
-    if (avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
+    if (avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
         for (i = 0; i < s->quant_table_count; i++) {
             s->rc_stat2[i] = av_mallocz(s->context_count[i] *
                                         sizeof(*s->rc_stat2[i]));
@@ -829,7 +829,7 @@ slices_ok:
         return ret;
 
 #define STATS_OUT_SIZE 1024 * 1024 * 6
-    if (avctx->flags & CODEC_FLAG_PASS1) {
+    if (avctx->flags & AV_CODEC_FLAG_PASS1) {
         avctx->stats_out = av_mallocz(STATS_OUT_SIZE);
         for (i = 0; i < s->quant_table_count; i++)
             for (j = 0; j < s->slice_count; j++) {
@@ -1006,7 +1006,7 @@ static int ffv1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         buf_p += bytes;
     }
 
-    if ((avctx->flags & CODEC_FLAG_PASS1) && (f->picture_number & 31) == 0) {
+    if ((avctx->flags & AV_CODEC_FLAG_PASS1) && (f->picture_number & 31) == 0) {
         int j, k, m;
         char *p   = avctx->stats_out;
         char *end = p + STATS_OUT_SIZE;
@@ -1046,7 +1046,7 @@ static int ffv1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                 }
         }
         snprintf(p, end - p, "%d\n", f->gob_count);
-    } else if (avctx->flags & CODEC_FLAG_PASS1)
+    } else if (avctx->flags & AV_CODEC_FLAG_PASS1)
         avctx->stats_out[0] = '\0';
 
 #if FF_API_CODED_FRAME
diff --git a/libavcodec/h263.h b/libavcodec/h263.h
index 6105805fae..e97718b85b 100644
--- a/libavcodec/h263.h
+++ b/libavcodec/h263.h
@@ -117,7 +117,7 @@ static inline int h263_get_motion_length(MpegEncContext * s, int val, int f_code
 }
 
 static inline void ff_h263_encode_motion_vector(MpegEncContext * s, int x, int y, int f_code){
-    if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT) {
+    if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT) {
         skip_put_bits(&s->pb,
             h263_get_motion_length(s, x, f_code)
            +h263_get_motion_length(s, y, f_code));
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 5167e867dd..cdf6c572ed 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -152,7 +152,7 @@ static int get_consumed_bytes(MpegEncContext *s, int buf_size)
         /* We would have to scan through the whole buf to handle the weird
          * reordering ... */
         return buf_size;
-    } else if (s->avctx->flags & CODEC_FLAG_TRUNCATED) {
+    } else if (s->avctx->flags & AV_CODEC_FLAG_TRUNCATED) {
         pos -= s->parse_context.last_index;
         // padding is not really read so this might be -1
         if (pos < 0)
@@ -393,7 +393,7 @@ int ff_h263_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
         return 0;
     }
 
-    if (s->avctx->flags & CODEC_FLAG_TRUNCATED) {
+    if (s->avctx->flags & AV_CODEC_FLAG_TRUNCATED) {
         int next;
 
         if (CONFIG_MPEG4_DECODER && s->codec_id == AV_CODEC_ID_MPEG4) {
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index a225f5b5e2..511077e407 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1375,7 +1375,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
     int ret = 0;
 
     h->max_contexts = h->slice_context_count;
-    if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) {
+    if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)) {
         h->current_slice = 0;
         if (!h->first_field)
             h->cur_pic_ptr = NULL;
@@ -1493,7 +1493,7 @@ again:
                 h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
 
                 if (h->current_slice == 1) {
-                    if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS))
+                    if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS))
                         decode_postinit(h, nal_index >= nals_needed);
 
                     if (h->avctx->hwaccel &&
@@ -1689,22 +1689,22 @@ out:
         goto out;
     }
 
-    if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS) && !h->cur_pic_ptr) {
+    if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS) && !h->cur_pic_ptr) {
         if (avctx->skip_frame >= AVDISCARD_NONREF)
             return 0;
         av_log(avctx, AV_LOG_ERROR, "no frame!\n");
         return AVERROR_INVALIDDATA;
     }
 
-    if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS) ||
+    if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS) ||
         (h->mb_y >= h->mb_height && h->mb_height)) {
-        if (avctx->flags2 & CODEC_FLAG2_CHUNKS)
+        if (avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)
             decode_postinit(h, 1);
 
         ff_h264_field_end(h, &h->slice_ctx[0], 0);
 
         *got_frame = 0;
-        if (h->next_output_pic && ((avctx->flags & CODEC_FLAG_OUTPUT_CORRUPT) ||
+        if (h->next_output_pic && ((avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) ||
                                    h->next_output_pic->recovered)) {
             if (!h->next_output_pic->recovered)
                 h->next_output_pic->f->flags |= AV_FRAME_FLAG_CORRUPT;
diff --git a/libavcodec/h264_loopfilter.c b/libavcodec/h264_loopfilter.c
index fa40ba4ba2..ae93681246 100644
--- a/libavcodec/h264_loopfilter.c
+++ b/libavcodec/h264_loopfilter.c
@@ -244,7 +244,7 @@ static av_always_inline void h264_filter_mb_fast_internal(const H264Context *h,
                                                           unsigned int uvlinesize,
                                                           int pixel_shift)
 {
-    int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
+    int chroma = !(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
     int chroma444 = CHROMA444(h);
     int chroma422 = CHROMA422(h);
 
@@ -721,7 +721,7 @@ void ff_h264_filter_mb(const H264Context *h, H264SliceContext *sl,
     const int mb_type = h->cur_pic.mb_type[mb_xy];
     const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
     int first_vertical_edge_done = 0;
-    int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
+    int chroma = !(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
     int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
     int a = 52 + sl->slice_alpha_c0_offset - qp_bd_offset;
     int b = 52 + sl->slice_beta_offset - qp_bd_offset;
diff --git a/libavcodec/h264_mb.c b/libavcodec/h264_mb.c
index fea733a9c3..2487b96ceb 100644
--- a/libavcodec/h264_mb.c
+++ b/libavcodec/h264_mb.c
@@ -249,7 +249,7 @@ static av_always_inline void mc_dir_part(const H264Context *h, H264SliceContext
     if (!square)
         qpix_op[luma_xy](dest_y + delta, src_y + delta, sl->mb_linesize);
 
-    if (CONFIG_GRAY && h->flags & CODEC_FLAG_GRAY)
+    if (CONFIG_GRAY && h->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     if (chroma_idc == 3 /* yuv444 */) {
@@ -562,7 +562,7 @@ static av_always_inline void xchg_mb_border(const H264Context *h, H264SliceConte
                  src_y + (17 << pixel_shift), 1);
         }
     }
-    if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+    if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
         if (chroma444) {
             if (deblock_top) {
                 if (deblock_topleft) {
diff --git a/libavcodec/h264_mb_template.c b/libavcodec/h264_mb_template.c
index 968c55e43e..3b0b880647 100644
--- a/libavcodec/h264_mb_template.c
+++ b/libavcodec/h264_mb_template.c
@@ -112,7 +112,7 @@ static av_noinline void FUNC(hl_decode_mb)(const H264Context *h, H264SliceContex
                 for (j = 0; j < 16; j++)
                     tmp_y[j] = get_bits(&gb, bit_depth);
             }
-            if (SIMPLE || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+            if (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
                 if (!h->sps.chroma_format_idc) {
                     for (i = 0; i < block_h; i++) {
                         uint16_t *tmp_cb = (uint16_t *)(dest_cb + i * uvlinesize);
@@ -140,7 +140,7 @@ static av_noinline void FUNC(hl_decode_mb)(const H264Context *h, H264SliceContex
         } else {
             for (i = 0; i < 16; i++)
                 memcpy(dest_y + i * linesize, sl->intra_pcm_ptr + i * 16, 16);
-            if (SIMPLE || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+            if (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
                 if (!h->sps.chroma_format_idc) {
                     for (i = 0; i < block_h; i++) {
                         memset(dest_cb + i * uvlinesize, 128, 8);
@@ -162,7 +162,7 @@ static av_noinline void FUNC(hl_decode_mb)(const H264Context *h, H264SliceContex
                 xchg_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize,
                                uvlinesize, 1, 0, SIMPLE, PIXEL_SHIFT);
 
-            if (SIMPLE || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+            if (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
                 h->hpc.pred8x8[sl->chroma_pred_mode](dest_cb, uvlinesize);
                 h->hpc.pred8x8[sl->chroma_pred_mode](dest_cr, uvlinesize);
             }
@@ -193,7 +193,7 @@ static av_noinline void FUNC(hl_decode_mb)(const H264Context *h, H264SliceContex
         hl_decode_mb_idct_luma(h, sl, mb_type, is_h264, SIMPLE, transform_bypass,
                                PIXEL_SHIFT, block_offset, linesize, dest_y, 0);
 
-        if ((SIMPLE || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) &&
+        if ((SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) &&
             (sl->cbp & 0x30)) {
             uint8_t *dest[2] = { dest_cb, dest_cr };
             if (transform_bypass) {
@@ -283,7 +283,7 @@ static av_noinline void FUNC(hl_decode_mb_444)(const H264Context *h, H264SliceCo
     int i, j, p;
     const int *block_offset = &h->block_offset[0];
     const int transform_bypass = !SIMPLE && (sl->qscale == 0 && h->sps.transform_bypass);
-    const int plane_count      = (SIMPLE || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) ? 3 : 1;
+    const int plane_count      = (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) ? 3 : 1;
 
     for (p = 0; p < plane_count; p++) {
         dest[p] = h->cur_pic.f->data[p] +
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 23615d527b..fa9fa7d25b 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -444,7 +444,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h)
         unsigned int crop_top    = get_ue_golomb(&h->gb);
         unsigned int crop_bottom = get_ue_golomb(&h->gb);
 
-        if (h->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
+        if (h->avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
             av_log(h->avctx, AV_LOG_DEBUG, "discarding sps cropping, original "
                                            "values are l:%d r:%d t:%d b:%d\n",
                    crop_left, crop_right, crop_top, crop_bottom);
@@ -461,7 +461,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h)
             int step_y = (2 - sps->frame_mbs_only_flag) << vsub;
 
             if (crop_left & (0x1F >> (sps->bit_depth_luma > 8)) &&
-                !(h->avctx->flags & CODEC_FLAG_UNALIGNED)) {
+                !(h->avctx->flags & AV_CODEC_FLAG_UNALIGNED)) {
                 crop_left &= ~(0x1F >> (sps->bit_depth_luma > 8));
                 av_log(h->avctx, AV_LOG_WARNING,
                        "Reducing left cropping to %d "
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index d287662286..49fd89135d 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -632,7 +632,7 @@ static av_always_inline void backup_mb_border(const H264Context *h, H264SliceCon
                 AV_COPY128(top_border, src_y + 15 * linesize);
                 if (pixel_shift)
                     AV_COPY128(top_border + 16, src_y + 15 * linesize + 16);
-                if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+                if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
                     if (chroma444) {
                         if (pixel_shift) {
                             AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
@@ -675,7 +675,7 @@ static av_always_inline void backup_mb_border(const H264Context *h, H264SliceCon
     if (pixel_shift)
         AV_COPY128(top_border + 16, src_y + 16 * linesize + 16);
 
-    if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
+    if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
         if (chroma444) {
             if (pixel_shift) {
                 AV_COPY128(top_border + 32, src_cb + 16 * linesize);
@@ -1125,7 +1125,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
             h->chroma_format_idc != h->sps.chroma_format_idc)
             needs_reinit         = 1;
 
-        if (h->flags & CODEC_FLAG_LOW_DELAY ||
+        if (h->flags & AV_CODEC_FLAG_LOW_DELAY ||
             (h->sps.bitstream_restriction_flag &&
              !h->sps.num_reorder_frames)) {
             if (h->avctx->has_b_frames > 1 || h->delayed_pic[0])
@@ -1610,7 +1610,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
         sl->deblocking_filter = 0;
 
     if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
-        if (h->avctx->flags2 & CODEC_FLAG2_FAST) {
+        if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
             /* Cheat slightly for speed:
              * Do not bother to deblock across slices. */
             sl->deblocking_filter = 2;
@@ -2093,7 +2093,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
 
     sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
                      avctx->codec_id != AV_CODEC_ID_H264 ||
-                     (CONFIG_GRAY && (h->flags & CODEC_FLAG_GRAY));
+                     (CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
 
     if (h->pps.cabac) {
         /* realign */
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index 62f20c722c..2faee96bbf 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -519,7 +519,7 @@ static void decode_vui(GetBitContext *gb, AVCodecContext *avctx,
         vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * 2;
 
         if (apply_defdispwin &&
-            avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
+            avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
             av_log(avctx, AV_LOG_DEBUG,
                    "discarding vui default display window, "
                    "original values are l:%u r:%u t:%u b:%u\n",
@@ -741,7 +741,7 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
         sps->pic_conf_win.top_offset    = get_ue_golomb_long(gb) * 2;
         sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * 2;
 
-        if (avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
+        if (avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
             av_log(avctx, AV_LOG_DEBUG,
                    "discarding sps conformance window, "
                    "original values are l:%u r:%u t:%u b:%u\n",
@@ -898,7 +898,7 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
         sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
     }
     if (sps->output_window.left_offset & (0x1F >> (sps->pixel_shift)) &&
-        !(avctx->flags & CODEC_FLAG_UNALIGNED)) {
+        !(avctx->flags & AV_CODEC_FLAG_UNALIGNED)) {
         sps->output_window.left_offset &= ~(0x1F >> (sps->pixel_shift));
         av_log(avctx, AV_LOG_WARNING, "Reducing left output window to %d "
                "chroma samples to preserve alignment.\n",
diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c
index 1ad81f7dd7..5d820fc1dc 100644
--- a/libavcodec/huffyuvdec.c
+++ b/libavcodec/huffyuvdec.c
@@ -571,7 +571,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 decode_422_bitstream(s, width - 2);
                 lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + 2, s->temp[0],
                                                    width - 2, lefty);
-                if (!(s->flags & CODEC_FLAG_GRAY)) {
+                if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                     leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
                     leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
                 }
@@ -604,14 +604,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                     decode_422_bitstream(s, width);
                     lefty = s->hdsp.add_hfyu_left_pred(ydst, s->temp[0],
                                                        width, lefty);
-                    if (!(s->flags & CODEC_FLAG_GRAY)) {
+                    if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                         leftu = s->hdsp.add_hfyu_left_pred(udst, s->temp[1], width2, leftu);
                         leftv = s->hdsp.add_hfyu_left_pred(vdst, s->temp[2], width2, leftv);
                     }
                     if (s->predictor == PLANE) {
                         if (cy > s->interlaced) {
                             s->hdsp.add_bytes(ydst, ydst - fake_ystride, width);
-                            if (!(s->flags & CODEC_FLAG_GRAY)) {
+                            if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                                 s->hdsp.add_bytes(udst, udst - fake_ustride, width2);
                                 s->hdsp.add_bytes(vdst, vdst - fake_vstride, width2);
                             }
@@ -626,7 +626,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 decode_422_bitstream(s, width - 2);
                 lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + 2, s->temp[0],
                                                    width - 2, lefty);
-                if (!(s->flags & CODEC_FLAG_GRAY)) {
+                if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                     leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
                     leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
                 }
@@ -638,7 +638,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                     decode_422_bitstream(s, width);
                     lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + p->linesize[0],
                                                        s->temp[0], width, lefty);
-                    if (!(s->flags & CODEC_FLAG_GRAY)) {
+                    if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                         leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
                         leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
                     }
@@ -650,7 +650,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 decode_422_bitstream(s, 4);
                 lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + fake_ystride,
                                                    s->temp[0], 4, lefty);
-                if (!(s->flags & CODEC_FLAG_GRAY)) {
+                if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                     leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
                     leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
                 }
@@ -661,7 +661,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 s->hdsp.add_hfyu_median_pred(p->data[0] + fake_ystride + 4,
                                              p->data[0] + 4, s->temp[0],
                                              width - 4, &lefty, &lefttopy);
-                if (!(s->flags & CODEC_FLAG_GRAY)) {
+                if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                     lefttopu = p->data[1][1];
                     lefttopv = p->data[2][1];
                     s->hdsp.add_hfyu_median_pred(p->data[1] + fake_ustride + 2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
@@ -696,7 +696,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                     s->hdsp.add_hfyu_median_pred(ydst, ydst - fake_ystride,
                                                  s->temp[0], width,
                                                  &lefty, &lefttopy);
-                    if (!(s->flags & CODEC_FLAG_GRAY)) {
+                    if (!(s->flags & AV_CODEC_FLAG_GRAY)) {
                         s->hdsp.add_hfyu_median_pred(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
                         s->hdsp.add_hfyu_median_pred(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
                     }
diff --git a/libavcodec/huffyuvenc.c b/libavcodec/huffyuvenc.c
index a86f880148..68beb018fa 100644
--- a/libavcodec/huffyuvenc.c
+++ b/libavcodec/huffyuvenc.c
@@ -186,10 +186,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
     avctx->bits_per_coded_sample = s->bitstream_bpp;
     s->decorrelate = s->bitstream_bpp >= 24;
     s->predictor = avctx->prediction_method;
-    s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
+    s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
     if (avctx->context_model == 1) {
         s->context = avctx->context_model;
-        if (s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) {
+        if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
             av_log(avctx, AV_LOG_ERROR,
                    "context=1 is not compatible with "
                    "2 pass huffyuv encoding\n");
@@ -308,7 +308,7 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count)
 
     count /= 2;
 
-    if (s->flags & CODEC_FLAG_PASS1) {
+    if (s->flags & AV_CODEC_FLAG_PASS1) {
         for(i = 0; i < count; i++) {
             LOAD4;
             s->stats[0][y0]++;
@@ -317,7 +317,7 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count)
             s->stats[2][v0]++;
         }
     }
-    if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
+    if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
         return 0;
     if (s->context) {
         for (i = 0; i < count; i++) {
@@ -364,13 +364,13 @@ static int encode_gray_bitstream(HYuvContext *s, int count)
 
     count /= 2;
 
-    if (s->flags & CODEC_FLAG_PASS1) {
+    if (s->flags & AV_CODEC_FLAG_PASS1) {
         for (i = 0; i < count; i++) {
             LOAD2;
             STAT2;
         }
     }
-    if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
+    if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
         return 0;
 
     if (s->context) {
@@ -418,13 +418,13 @@ static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
     if (planes == 4)                                                    \
         put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
 
-    if ((s->flags & CODEC_FLAG_PASS1) &&
-        (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
+    if ((s->flags & AV_CODEC_FLAG_PASS1) &&
+        (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
         for (i = 0; i < count; i++) {
             LOAD_GBRA;
             STAT_BGRA;
         }
-    } else if (s->context || (s->flags & CODEC_FLAG_PASS1)) {
+    } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
         for (i = 0; i < count; i++) {
             LOAD_GBRA;
             STAT_BGRA;
@@ -645,7 +645,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     put_bits(&s->pb, 15, 0);
     size /= 4;
 
-    if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
+    if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
         int j;
         char *p = avctx->stats_out;
         char *end = p + 1024*30;
@@ -660,7 +660,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         }
     } else
         avctx->stats_out[0] = '\0';
-    if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
+    if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
         flush_put_bits(&s->pb);
         s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
     }
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index b8c3bcd7ff..6dcb765dda 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -247,7 +247,7 @@ static av_cold int imc_decode_init(AVCodecContext *avctx)
         return ret;
     }
     ff_bswapdsp_init(&q->bdsp);
-    avpriv_float_dsp_init(&q->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&q->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
     avctx->sample_fmt     = AV_SAMPLE_FMT_FLTP;
     avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO
                                                  : AV_CH_LAYOUT_STEREO;
diff --git a/libavcodec/ituh263enc.c b/libavcodec/ituh263enc.c
index 7486cfb2b9..f9986a4ad7 100644
--- a/libavcodec/ituh263enc.c
+++ b/libavcodec/ituh263enc.c
@@ -461,7 +461,7 @@ void ff_h263_encode_mb(MpegEncContext * s,
     int16_t pred_dc;
     int16_t rec_intradc[6];
     int16_t *dc_ptr[6];
-    const int interleaved_stats = s->avctx->flags & CODEC_FLAG_PASS1;
+    const int interleaved_stats = s->avctx->flags & AV_CODEC_FLAG_PASS1;
 
     if (!s->mb_intra) {
         /* compute cbp */
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 69dc5661c1..314529969a 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -313,7 +313,7 @@ static int get_cox(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c)
     }
     c->transform = bytestream2_get_byteu(&s->g); // DWT transformation type
     /* set integer 9/7 DWT in case of BITEXACT flag */
-    if ((s->avctx->flags & CODEC_FLAG_BITEXACT) && (c->transform == FF_DWT97))
+    if ((s->avctx->flags & AV_CODEC_FLAG_BITEXACT) && (c->transform == FF_DWT97))
         c->transform = FF_DWT97_INT;
 
     if (c->csty & JPEG2000_CSTY_PREC) {
diff --git a/libavcodec/libfaac.c b/libavcodec/libfaac.c
index ad51a03181..6d3742e314 100644
--- a/libavcodec/libfaac.c
+++ b/libavcodec/libfaac.c
@@ -118,7 +118,7 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
     faac_cfg->allowMidside = 1;
     faac_cfg->bitRate = avctx->bit_rate / avctx->channels;
     faac_cfg->bandWidth = avctx->cutoff;
-    if(avctx->flags & CODEC_FLAG_QSCALE) {
+    if(avctx->flags & AV_CODEC_FLAG_QSCALE) {
         faac_cfg->bitRate = 0;
         faac_cfg->quantqual = avctx->global_quality / FF_QP2LAMBDA;
     }
@@ -132,7 +132,7 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
 
     /* Set decoder specific info */
     avctx->extradata_size = 0;
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
 
         unsigned char *buffer = NULL;
         unsigned long decoder_specific_info_size;
diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c
index d45fad2676..2682a755eb 100644
--- a/libavcodec/libfdk-aacenc.c
+++ b/libavcodec/libfdk-aacenc.c
@@ -184,7 +184,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
         goto error;
     }
 
-    if (avctx->flags & CODEC_FLAG_QSCALE || s->vbr) {
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE || s->vbr) {
         int mode = s->vbr ? s->vbr : avctx->global_quality;
         if (mode <  1 || mode > 5) {
             av_log(avctx, AV_LOG_WARNING,
@@ -224,7 +224,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     /* Choose bitstream format - if global header is requested, use
      * raw access units, otherwise use ADTS. */
     if ((err = aacEncoder_SetParam(s->handle, AACENC_TRANSMUX,
-                                   avctx->flags & CODEC_FLAG_GLOBAL_HEADER ? 0 : s->latm ? 10 : 2)) != AACENC_OK) {
+                                   avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER ? 0 : s->latm ? 10 : 2)) != AACENC_OK) {
         av_log(avctx, AV_LOG_ERROR, "Unable to set the transmux format: %s\n",
                aac_get_error(err));
         goto error;
@@ -243,7 +243,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
      * if using mp4 mode (raw access units, with global header) and
      * implicit signaling if using ADTS. */
     if (s->signaling < 0)
-        s->signaling = avctx->flags & CODEC_FLAG_GLOBAL_HEADER ? 2 : 0;
+        s->signaling = avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER ? 2 : 0;
 
     if ((err = aacEncoder_SetParam(s->handle, AACENC_SIGNALING_MODE,
                                    s->signaling)) != AACENC_OK) {
@@ -289,7 +289,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     avctx->initial_padding = info.encoderDelay;
     ff_af_queue_init(avctx, &s->afq);
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         avctx->extradata_size = info.confSize;
         avctx->extradata      = av_mallocz(avctx->extradata_size +
                                            FF_INPUT_BUFFER_PADDING_SIZE);
diff --git a/libavcodec/libmp3lame.c b/libavcodec/libmp3lame.c
index 067a17fdcd..8337da5e78 100644
--- a/libavcodec/libmp3lame.c
+++ b/libavcodec/libmp3lame.c
@@ -111,7 +111,7 @@ static av_cold int mp3lame_encode_init(AVCodecContext *avctx)
         lame_set_quality(s->gfp, avctx->compression_level);
 
     /* rate control */
-    if (avctx->flags & CODEC_FLAG_QSCALE) { // VBR
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE) { // VBR
         lame_set_VBR(s->gfp, vbr_default);
         lame_set_VBR_quality(s->gfp, avctx->global_quality / (float)FF_QP2LAMBDA);
     } else {
@@ -159,7 +159,7 @@ static av_cold int mp3lame_encode_init(AVCodecContext *avctx)
     if (ret < 0)
         goto error;
 
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     return 0;
 error:
diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c
index 35431fa361..c0f471f7e1 100644
--- a/libavcodec/libopenh264enc.c
+++ b/libavcodec/libopenh264enc.c
@@ -137,7 +137,7 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
         goto fail;
     }
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         SFrameBSInfo fbi = { 0 };
         int i, size = 0;
         (*s->encoder)->EncodeParameterSets(s->encoder, &fbi);
@@ -192,7 +192,7 @@ static int svc_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     // frames have two layers, where the first layer contains the SPS/PPS.
     // If using global headers, don't include the SPS/PPS in the returned
     // packet - thus, only return one layer.
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
         first_layer = fbi.iLayerNum - 1;
 
     for (layer = first_layer; layer < fbi.iLayerNum; layer++) {
diff --git a/libavcodec/libschroedingerenc.c b/libavcodec/libschroedingerenc.c
index d6f8dc5b2a..a79d55e6ee 100644
--- a/libavcodec/libschroedingerenc.c
+++ b/libavcodec/libschroedingerenc.c
@@ -174,7 +174,7 @@ static av_cold int libschroedinger_encode_init(AVCodecContext *avctx)
     }
 
     /* FIXME - Need to handle SCHRO_ENCODER_RATE_CONTROL_LOW_DELAY. */
-    if (avctx->flags & CODEC_FLAG_QSCALE) {
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
         if (!avctx->global_quality) {
             /* lossless coding */
             schro_encoder_setting_set_double(p_schro_params->encoder,
@@ -201,14 +201,14 @@ static av_cold int libschroedinger_encode_init(AVCodecContext *avctx)
                                          "bitrate", avctx->bit_rate);
     }
 
-    if (avctx->flags & CODEC_FLAG_INTERLACED_ME)
+    if (avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)
         /* All material can be coded as interlaced or progressive
            irrespective of the type of source material. */
         schro_encoder_setting_set_double(p_schro_params->encoder,
                                          "interlaced_coding", 1);
 
     schro_encoder_setting_set_double(p_schro_params->encoder, "open_gop",
-                                     !(avctx->flags & CODEC_FLAG_CLOSED_GOP));
+                                     !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP));
 
     /* FIXME: Signal range hardcoded to 8-bit data until both libschroedinger
      * and libdirac support other bit-depth data. */
diff --git a/libavcodec/libspeexenc.c b/libavcodec/libspeexenc.c
index d4ca45cee1..e3aa1cfccf 100644
--- a/libavcodec/libspeexenc.c
+++ b/libavcodec/libspeexenc.c
@@ -40,7 +40,7 @@
  *     used to set the encoding mode.
  *
  * Rate Control
- *     VBR mode is turned on by setting CODEC_FLAG_QSCALE in avctx->flags.
+ *     VBR mode is turned on by setting AV_CODEC_FLAG_QSCALE in avctx->flags.
  *     avctx->global_quality is used to set the encoding quality.
  *     For CBR mode, avctx->bit_rate can be used to set the constant bitrate.
  *     Alternatively, the 'cbr_quality' option can be set from 0 to 10 to set
@@ -176,7 +176,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     speex_init_header(&s->header, avctx->sample_rate, avctx->channels, mode);
 
     /* rate control method and parameters */
-    if (avctx->flags & CODEC_FLAG_QSCALE) {
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
         /* VBR */
         s->header.vbr = 1;
         s->vad = 1; /* VAD is always implicitly activated for VBR */
diff --git a/libavcodec/libtheoraenc.c b/libavcodec/libtheoraenc.c
index 6f1404f1b6..38e0bc71cf 100644
--- a/libavcodec/libtheoraenc.c
+++ b/libavcodec/libtheoraenc.c
@@ -207,7 +207,7 @@ static av_cold int encode_init(AVCodecContext* avc_context)
     av_pix_fmt_get_chroma_sub_sample(avc_context->pix_fmt,
                                      &h->uv_hshift, &h->uv_vshift);
 
-    if (avc_context->flags & CODEC_FLAG_QSCALE) {
+    if (avc_context->flags & AV_CODEC_FLAG_QSCALE) {
         /* to be constant with the libvorbis implementation, clip global_quality to 0 - 10
            Theora accepts a quality parameter p, which is:
                 * 0 <= p <=63
@@ -238,10 +238,10 @@ static av_cold int encode_init(AVCodecContext* avc_context)
     }
 
     // need to enable 2 pass (via TH_ENCCTL_2PASS_) before encoding headers
-    if (avc_context->flags & CODEC_FLAG_PASS1) {
+    if (avc_context->flags & AV_CODEC_FLAG_PASS1) {
         if (get_stats(avc_context, 0))
             return -1;
-    } else if (avc_context->flags & CODEC_FLAG_PASS2) {
+    } else if (avc_context->flags & AV_CODEC_FLAG_PASS2) {
         if (submit_stats(avc_context))
             return -1;
     }
@@ -278,7 +278,7 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
     // EOS, finish and get 1st pass stats if applicable
     if (!frame) {
         th_encode_packetout(h->t_state, 1, &o_packet);
-        if (avc_context->flags & CODEC_FLAG_PASS1)
+        if (avc_context->flags & AV_CODEC_FLAG_PASS1)
             if (get_stats(avc_context, 1))
                 return -1;
         return 0;
@@ -292,7 +292,7 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
         t_yuv_buffer[i].data   = frame->data[i];
     }
 
-    if (avc_context->flags & CODEC_FLAG_PASS2)
+    if (avc_context->flags & AV_CODEC_FLAG_PASS2)
         if (submit_stats(avc_context))
             return -1;
 
@@ -315,7 +315,7 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
         return -1;
     }
 
-    if (avc_context->flags & CODEC_FLAG_PASS1)
+    if (avc_context->flags & AV_CODEC_FLAG_PASS1)
         if (get_stats(avc_context, 0))
             return -1;
 
diff --git a/libavcodec/libtwolame.c b/libavcodec/libtwolame.c
index ce3294126a..9c0e4c52ec 100644
--- a/libavcodec/libtwolame.c
+++ b/libavcodec/libtwolame.c
@@ -77,7 +77,7 @@ static av_cold int twolame_encode_init(AVCodecContext *avctx)
     twolame_set_num_channels(s->glopts, avctx->channels);
     twolame_set_in_samplerate(s->glopts, avctx->sample_rate);
     twolame_set_out_samplerate(s->glopts, avctx->sample_rate);
-    if (avctx->flags & CODEC_FLAG_QSCALE || !avctx->bit_rate) {
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE || !avctx->bit_rate) {
         twolame_set_VBR(s->glopts, TRUE);
         twolame_set_VBR_level(s->glopts,
                               avctx->global_quality / (float) FF_QP2LAMBDA);
diff --git a/libavcodec/libvo-aacenc.c b/libavcodec/libvo-aacenc.c
index 6dd71174d3..76b86ff57d 100644
--- a/libavcodec/libvo-aacenc.c
+++ b/libavcodec/libvo-aacenc.c
@@ -85,7 +85,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     params.sampleRate = avctx->sample_rate;
     params.bitRate    = avctx->bit_rate;
     params.nChannels  = avctx->channels;
-    params.adtsUsed   = !(avctx->flags & CODEC_FLAG_GLOBAL_HEADER);
+    params.adtsUsed   = !(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER);
     if (s->codec_api.SetParam(s->handle, VO_PID_AAC_ENCPARAM, &params)
         != VO_ERR_NONE) {
         av_log(avctx, AV_LOG_ERROR, "Unable to set encoding parameters\n");
@@ -102,7 +102,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
         ret = AVERROR(ENOSYS);
         goto error;
     }
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         avctx->extradata_size = 2;
         avctx->extradata      = av_mallocz(avctx->extradata_size +
                                            FF_INPUT_BUFFER_PADDING_SIZE);
diff --git a/libavcodec/libvorbis.c b/libavcodec/libvorbis.c
index f7ea253c4f..00ef9e8dba 100644
--- a/libavcodec/libvorbis.c
+++ b/libavcodec/libvorbis.c
@@ -91,14 +91,14 @@ static av_cold int libvorbis_setup(vorbis_info *vi, AVCodecContext *avctx)
     double cfreq;
     int ret;
 
-    if (avctx->flags & CODEC_FLAG_QSCALE || !avctx->bit_rate) {
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE || !avctx->bit_rate) {
         /* variable bitrate
          * NOTE: we use the oggenc range of -1 to 10 for global_quality for
          *       user convenience, but libvorbis uses -0.1 to 1.0.
          */
         float q = avctx->global_quality / (float)FF_QP2LAMBDA;
         /* default to 3 if the user did not set quality or bitrate */
-        if (!(avctx->flags & CODEC_FLAG_QSCALE))
+        if (!(avctx->flags & AV_CODEC_FLAG_QSCALE))
             q = 3.0;
         if ((ret = vorbis_encode_setup_vbr(vi, avctx->channels,
                                            avctx->sample_rate,
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index edddef0a61..10758332c9 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -241,9 +241,9 @@ static av_cold int vpx_init(AVCodecContext *avctx,
     if (ctx->lag_in_frames >= 0)
         enccfg.g_lag_in_frames = ctx->lag_in_frames;
 
-    if (avctx->flags & CODEC_FLAG_PASS1)
+    if (avctx->flags & AV_CODEC_FLAG_PASS1)
         enccfg.g_pass = VPX_RC_FIRST_PASS;
-    else if (avctx->flags & CODEC_FLAG_PASS2)
+    else if (avctx->flags & AV_CODEC_FLAG_PASS2)
         enccfg.g_pass = VPX_RC_LAST_PASS;
     else
         enccfg.g_pass = VPX_RC_ONE_PASS;
@@ -504,7 +504,7 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
             stats->sz += pkt->data.twopass_stats.sz;
             break;
         }
-        case VPX_CODEC_PSNR_PKT: //FIXME add support for CODEC_FLAG_PSNR
+        case VPX_CODEC_PSNR_PKT: //FIXME add support for AV_CODEC_FLAG_PSNR
         case VPX_CODEC_CUSTOM_PKT:
             //ignore unsupported/unrecognized packet types
             break;
@@ -544,7 +544,7 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
     }
     coded_size = queue_frames(avctx, pkt);
 
-    if (!frame && avctx->flags & CODEC_FLAG_PASS1) {
+    if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
         unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
 
         avctx->stats_out = av_malloc(b64_size);
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 531d8970d7..a4af21166e 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -346,7 +346,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
     x264_param_default(&x4->params);
 #endif
 
-    x4->params.b_deblocking_filter         = avctx->flags & CODEC_FLAG_LOOP_FILTER;
+    x4->params.b_deblocking_filter         = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
 
     if (x4->preset || x4->tune)
         if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
@@ -368,8 +368,8 @@ static av_cold int X264_init(AVCodecContext *avctx)
     }
     x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
     x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate    / 1000;
-    x4->params.rc.b_stat_write      = avctx->flags & CODEC_FLAG_PASS1;
-    if (avctx->flags & CODEC_FLAG_PASS2) {
+    x4->params.rc.b_stat_write      = avctx->flags & AV_CODEC_FLAG_PASS1;
+    if (avctx->flags & AV_CODEC_FLAG_PASS2) {
         x4->params.rc.b_stat_read = 1;
     } else {
         if (x4->crf >= 0) {
@@ -515,15 +515,15 @@ FF_ENABLE_DEPRECATION_WARNINGS
     x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den;
     x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num;
 
-    x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
+    x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
 
     x4->params.i_threads      = avctx->thread_count;
     if (avctx->thread_type)
         x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
 
-    x4->params.b_interlaced   = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
+    x4->params.b_interlaced   = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
 
-    x4->params.b_open_gop     = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
+    x4->params.b_open_gop     = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
 
     x4->params.i_slice_count  = avctx->slices;
 
@@ -537,7 +537,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     x4->params.vui.i_transfer  = avctx->color_trc;
     x4->params.vui.i_colmatrix = avctx->colorspace;
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
         x4->params.b_repeat_headers = 0;
 
     if (x4->x264_params) {
@@ -568,7 +568,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (!x4->enc)
         return AVERROR_UNKNOWN;
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         x264_nal_t *nal;
         uint8_t *p;
         int nnal, s, i;
diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index df112e168a..38465cc988 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -119,7 +119,7 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
     ctx->params->fpsDenom        = avctx->time_base.num * avctx->ticks_per_frame;
     ctx->params->sourceWidth     = avctx->width;
     ctx->params->sourceHeight    = avctx->height;
-    ctx->params->bEnablePsnr     = !!(avctx->flags & CODEC_FLAG_PSNR);
+    ctx->params->bEnablePsnr     = !!(avctx->flags & AV_CODEC_FLAG_PSNR);
 
     if ((avctx->color_primaries <= AVCOL_PRI_BT2020 &&
          avctx->color_primaries != AVCOL_PRI_UNSPECIFIED) ||
@@ -179,7 +179,7 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
         ctx->params->rc.rateControlMode = X265_RC_ABR;
     }
 
-    if (!(avctx->flags & CODEC_FLAG_GLOBAL_HEADER))
+    if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
         ctx->params->bRepeatHeaders = 1;
 
     if (ctx->x265_opts) {
@@ -214,7 +214,7 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         x265_nal *nal;
         int nnal;
 
diff --git a/libavcodec/libxavs.c b/libavcodec/libxavs.c
index f62c65b75a..cfb636ffa7 100644
--- a/libavcodec/libxavs.c
+++ b/libavcodec/libxavs.c
@@ -251,8 +251,8 @@ static av_cold int XAVS_init(AVCodecContext *avctx)
     }
     x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
     x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate    / 1000;
-    x4->params.rc.b_stat_write      = avctx->flags & CODEC_FLAG_PASS1;
-    if (avctx->flags & CODEC_FLAG_PASS2) {
+    x4->params.rc.b_stat_write      = avctx->flags & AV_CODEC_FLAG_PASS1;
+    if (avctx->flags & AV_CODEC_FLAG_PASS2) {
         x4->params.rc.b_stat_read = 1;
     } else {
         if (x4->crf >= 0) {
@@ -323,7 +323,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     x4->params.i_scenecut_threshold        = avctx->scenechange_threshold;
 
-   // x4->params.b_deblocking_filter       = avctx->flags & CODEC_FLAG_LOOP_FILTER;
+   // x4->params.b_deblocking_filter       = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
 
     x4->params.rc.i_qp_min                 = avctx->qmin;
     x4->params.rc.i_qp_max                 = avctx->qmax;
@@ -348,7 +348,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     x4->params.analyse.b_chroma_me        = avctx->me_cmp & FF_CMP_CHROMA;
     /* AVS P2 only enables 8x8 transform */
-    x4->params.analyse.b_transform_8x8    = 1; //avctx->flags2 & CODEC_FLAG2_8X8DCT;
+    x4->params.analyse.b_transform_8x8    = 1; //avctx->flags2 & AV_CODEC_FLAG2_8X8DCT;
 
     x4->params.analyse.i_trellis          = avctx->trellis;
     x4->params.analyse.i_noise_reduction  = avctx->noise_reduction;
@@ -372,12 +372,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
     x4->params.rc.f_pb_factor             = avctx->b_quant_factor;
     x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
 
-    x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
+    x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
     x4->params.i_log_level    = XAVS_LOG_DEBUG;
     x4->params.i_threads      = avctx->thread_count;
-    x4->params.b_interlaced   = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
+    x4->params.b_interlaced   = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
         x4->params.b_repeat_headers = 0;
 
     x4->enc = xavs_encoder_open(&x4->params);
@@ -389,7 +389,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     /* TAG: Do we have GLOBAL HEADER in AVS */
     /* We Have PPS and SPS in AVS */
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         xavs_nal_t *nal;
         int nnal, s, i, size;
         uint8_t *p;
diff --git a/libavcodec/libxvid.c b/libavcodec/libxvid.c
index 243caaa94b..02f1af8475 100644
--- a/libavcodec/libxvid.c
+++ b/libavcodec/libxvid.c
@@ -369,13 +369,13 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx)
 
     /* Bring in VOP flags from avconv command-line */
     x->vop_flags = XVID_VOP_HALFPEL; /* Bare minimum quality */
-    if (xvid_flags & CODEC_FLAG_4MV)
+    if (xvid_flags & AV_CODEC_FLAG_4MV)
         x->vop_flags |= XVID_VOP_INTER4V; /* Level 3 */
     if (avctx->trellis)
         x->vop_flags |= XVID_VOP_TRELLISQUANT; /* Level 5 */
-    if (xvid_flags & CODEC_FLAG_AC_PRED)
+    if (xvid_flags & AV_CODEC_FLAG_AC_PRED)
         x->vop_flags |= XVID_VOP_HQACPRED; /* Level 6 */
-    if (xvid_flags & CODEC_FLAG_GRAY)
+    if (xvid_flags & AV_CODEC_FLAG_GRAY)
         x->vop_flags |= XVID_VOP_GREYSCALE;
 
     /* Decide which ME quality setting to use */
@@ -449,7 +449,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         x->vol_flags |= XVID_VOL_GMC;
         x->me_flags  |= XVID_ME_GME_REFINE;
     }
-    if (xvid_flags & CODEC_FLAG_QPEL) {
+    if (xvid_flags & AV_CODEC_FLAG_QPEL) {
         x->vol_flags |= XVID_VOL_QUARTERPEL;
         x->me_flags  |= XVID_ME_QUARTERPELREFINE16;
         if (x->vop_flags & XVID_VOP_INTER4V)
@@ -489,7 +489,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     x->old_twopassbuffer = NULL;
     x->twopassfile       = NULL;
 
-    if (xvid_flags & CODEC_FLAG_PASS1) {
+    if (xvid_flags & AV_CODEC_FLAG_PASS1) {
         rc2pass1.version     = XVID_VERSION;
         rc2pass1.context     = x;
         x->twopassbuffer     = av_malloc(BUFFER_SIZE);
@@ -505,7 +505,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         plugins[xvid_enc_create.num_plugins].func  = xvid_ff_2pass;
         plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
         xvid_enc_create.num_plugins++;
-    } else if (xvid_flags & CODEC_FLAG_PASS2) {
+    } else if (xvid_flags & AV_CODEC_FLAG_PASS2) {
         rc2pass2.version = XVID_VERSION;
         rc2pass2.bitrate = avctx->bit_rate;
 
@@ -533,7 +533,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         plugins[xvid_enc_create.num_plugins].func  = xvid_plugin_2pass2;
         plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
         xvid_enc_create.num_plugins++;
-    } else if (!(xvid_flags & CODEC_FLAG_QSCALE)) {
+    } else if (!(xvid_flags & AV_CODEC_FLAG_QSCALE)) {
         /* Single Pass Bitrate Control! */
         single.version = XVID_VERSION;
         single.bitrate = avctx->bit_rate;
@@ -593,7 +593,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         xvid_enc_create.max_key_interval = 240; /* Xvid's best default */
 
     /* Quants */
-    if (xvid_flags & CODEC_FLAG_QSCALE)
+    if (xvid_flags & AV_CODEC_FLAG_QSCALE)
         x->qscale = 1;
     else
         x->qscale = 0;
@@ -639,13 +639,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
     /* Misc Settings */
     xvid_enc_create.frame_drop_ratio = 0;
     xvid_enc_create.global           = 0;
-    if (xvid_flags & CODEC_FLAG_CLOSED_GOP)
+    if (xvid_flags & AV_CODEC_FLAG_CLOSED_GOP)
         xvid_enc_create.global |= XVID_GLOBAL_CLOSED_GOP;
 
     /* Determines which codec mode we are operating in */
     avctx->extradata      = NULL;
     avctx->extradata_size = 0;
-    if (xvid_flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (xvid_flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         /* In this case, we are claiming to be MPEG4 */
         x->quicktime_format = 1;
         avctx->codec_id     = AV_CODEC_ID_MPEG4;
diff --git a/libavcodec/mdec.c b/libavcodec/mdec.c
index 2a779c1176..af1c59a82b 100644
--- a/libavcodec/mdec.c
+++ b/libavcodec/mdec.c
@@ -158,7 +158,7 @@ static inline void idct_put(MDECContext *a, AVFrame *frame, int mb_x, int mb_y)
     a->idsp.idct_put(dest_y + 8 * linesize,     linesize, block[2]);
     a->idsp.idct_put(dest_y + 8 * linesize + 8, linesize, block[3]);
 
-    if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(a->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         a->idsp.idct_put(dest_cb, frame->linesize[1], block[4]);
         a->idsp.idct_put(dest_cr, frame->linesize[2], block[5]);
     }
diff --git a/libavcodec/mjpegenc_common.c b/libavcodec/mjpegenc_common.c
index d9a5eda370..54df9878e9 100644
--- a/libavcodec/mjpegenc_common.c
+++ b/libavcodec/mjpegenc_common.c
@@ -110,7 +110,7 @@ static void jpeg_put_comments(AVCodecContext *avctx, PutBitContext *p)
     }
 
     /* comment */
-    if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+    if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
         put_marker(p, COM);
         flush_put_bits(p);
         ptr = put_bits_ptr(p);
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c
index 83d7b39e91..657c28a02d 100644
--- a/libavcodec/motion_est.c
+++ b/libavcodec/motion_est.c
@@ -102,7 +102,7 @@ static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3
 }
 
 static int get_flags(MotionEstContext *c, int direct, int chroma){
-    return   ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
+    return   ((c->avctx->flags&AV_CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
            + (direct ? FLAG_DIRECT : 0)
            + (chroma ? FLAG_CHROMA : 0);
 }
@@ -345,7 +345,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp    &FF_CMP_CHROMA);
 
 /*FIXME s->no_rounding b_type*/
-    if (s->avctx->flags & CODEC_FLAG_QPEL) {
+    if (s->avctx->flags & AV_CODEC_FLAG_QPEL) {
         c->sub_motion_search= qpel_motion_search;
         c->qpel_avg = s->qdsp.avg_qpel_pixels_tab;
         if (s->no_rounding)
@@ -973,7 +973,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
             mx <<=shift;
             my <<=shift;
         }
-        if ((s->avctx->flags & CODEC_FLAG_4MV)
+        if ((s->avctx->flags & AV_CODEC_FLAG_4MV)
            && !c->skip && varc>50<<8 && vard>10<<8){
             if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
                 mb_type|=CANDIDATE_MB_TYPE_INTER4V;
@@ -981,7 +981,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
             set_p_mv_tables(s, mx, my, 0);
         }else
             set_p_mv_tables(s, mx, my, 1);
-        if ((s->avctx->flags & CODEC_FLAG_INTERLACED_ME)
+        if ((s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)
            && !c->skip){ //FIXME varc/d checks
             if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
                 mb_type |= CANDIDATE_MB_TYPE_INTER_I;
@@ -994,7 +994,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
         if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
             dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1);
 
-        if ((s->avctx->flags & CODEC_FLAG_4MV)
+        if ((s->avctx->flags & AV_CODEC_FLAG_4MV)
            && !c->skip && varc>50<<8 && vard>10<<8){
             int dmin4= h263_mv4_search(s, mx, my, shift);
             if(dmin4 < dmin){
@@ -1002,7 +1002,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
                 dmin=dmin4;
             }
         }
-        if ((s->avctx->flags & CODEC_FLAG_INTERLACED_ME)
+        if ((s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)
            && !c->skip){ //FIXME varc/d checks
             int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
             if(dmin_i < dmin){
@@ -1520,7 +1520,7 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
     fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
     ff_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin);
 
-    if (s->avctx->flags & CODEC_FLAG_INTERLACED_ME) {
+    if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
 //FIXME mb type penalty
         c->skip=0;
         c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
@@ -1651,7 +1651,7 @@ void ff_fix_long_p_mvs(MpegEncContext * s)
 
     if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
 
-    if (s->avctx->flags & CODEC_FLAG_4MV) {
+    if (s->avctx->flags & AV_CODEC_FLAG_4MV) {
         const int wrap= s->b8_stride;
 
         /* clip / convert to intra 8x8 type MVs */
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index d4c517d82e..cefeeff6c6 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -824,7 +824,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #endif /* FF_API_XVMC */
 
         if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
-            if (s->avctx->flags2 & CODEC_FLAG2_FAST) {
+            if (s->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
                 for (i = 0; i < 6; i++)
                     mpeg2_fast_decode_block_intra(s, *s->pblocks[i], i);
             } else {
@@ -1042,7 +1042,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #endif /* FF_API_XVMC */
 
             if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
-                if (s->avctx->flags2 & CODEC_FLAG2_FAST) {
+                if (s->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
                     for (i = 0; i < 6; i++) {
                         if (cbp & 32)
                             mpeg2_fast_decode_block_non_intra(s, *s->pblocks[i], i);
@@ -1064,7 +1064,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                     }
                 }
             } else {
-                if (s->avctx->flags2 & CODEC_FLAG2_FAST) {
+                if (s->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
                     for (i = 0; i < 6; i++) {
                         if (cbp & 32)
                             mpeg1_fast_decode_block_inter(s, *s->pblocks[i], i);
@@ -1405,7 +1405,7 @@ static void mpeg_decode_sequence_extension(Mpeg1Context *s1)
     s->avctx->rc_buffer_size += get_bits(&s->gb, 8) * 1024 * 16 << 10;
 
     s->low_delay = get_bits1(&s->gb);
-    if (s->avctx->flags & CODEC_FLAG_LOW_DELAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)
         s->low_delay = 1;
 
     s1->frame_rate_ext.num = get_bits(&s->gb, 2) + 1;
@@ -2136,7 +2136,7 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
     s->codec_id             =
     s->avctx->codec_id      = AV_CODEC_ID_MPEG1VIDEO;
     s->out_format           = FMT_MPEG1;
-    if (s->avctx->flags & CODEC_FLAG_LOW_DELAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)
         s->low_delay = 1;
 
     if (s->avctx->debug & FF_DEBUG_PICT_INFO)
@@ -2635,7 +2635,7 @@ static int mpeg_decode_frame(AVCodecContext *avctx, void *data,
         return buf_size;
     }
 
-    if (s2->avctx->flags & CODEC_FLAG_TRUNCATED) {
+    if (s2->avctx->flags & AV_CODEC_FLAG_TRUNCATED) {
         int next = ff_mpeg1_find_frame_end(&s2->parse_context, buf,
                                            buf_size, NULL);
 
diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c
index 7b27d857af..1a48e56a79 100644
--- a/libavcodec/mpeg12enc.c
+++ b/libavcodec/mpeg12enc.c
@@ -324,7 +324,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
         put_bits(&s->pb, 1, 1);
         put_bits(&s->pb, 6, (uint32_t)((time_code / fps) % 60));
         put_bits(&s->pb, 6, (uint32_t)((time_code % fps)));
-        put_bits(&s->pb, 1, !!(s->avctx->flags & CODEC_FLAG_CLOSED_GOP));
+        put_bits(&s->pb, 1, !!(s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP));
         put_bits(&s->pb, 1, 0);                     // broken link
     }
 }
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index eb71a86209..5345e465ae 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -2079,7 +2079,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
 
     s->pict_type = get_bits(gb, 2) + AV_PICTURE_TYPE_I;        /* pict type: I = 0 , P = 1 */
     if (s->pict_type == AV_PICTURE_TYPE_B && s->low_delay &&
-        ctx->vol_control_parameters == 0 && !(s->avctx->flags & CODEC_FLAG_LOW_DELAY)) {
+        ctx->vol_control_parameters == 0 && !(s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)) {
         av_log(s->avctx, AV_LOG_ERROR, "low_delay flag set incorrectly, clearing it\n");
         s->low_delay = 0;
     }
@@ -2421,7 +2421,7 @@ int ff_mpeg4_decode_picture_header(Mpeg4DecContext *ctx, GetBitContext *gb)
     }
 
 end:
-    if (s->avctx->flags & CODEC_FLAG_LOW_DELAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)
         s->low_delay = 1;
     s->avctx->has_b_frames = !s->low_delay;
 
diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index c33bb4c58d..76fe5a3a65 100644
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -430,7 +430,7 @@ static inline void mpeg4_encode_blocks(MpegEncContext *s, int16_t block[6][64],
     int i;
 
     if (scan_table) {
-        if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT) {
+        if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT) {
             for (i = 0; i < 6; i++)
                 skip_put_bits(&s->pb,
                               mpeg4_get_block_length(s, block[i], i,
@@ -442,7 +442,7 @@ static inline void mpeg4_encode_blocks(MpegEncContext *s, int16_t block[6][64],
                                    intra_dc[i], scan_table[i], dc_pb, ac_pb);
         }
     } else {
-        if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT) {
+        if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT) {
             for (i = 0; i < 6; i++)
                 skip_put_bits(&s->pb,
                               mpeg4_get_block_length(s, block[i], i, 0,
@@ -507,7 +507,7 @@ void ff_mpeg4_encode_mb(MpegEncContext *s, int16_t block[6][64],
     PutBitContext *const pb2    = s->data_partitioning ? &s->pb2 : &s->pb;
     PutBitContext *const tex_pb = s->data_partitioning && s->pict_type != AV_PICTURE_TYPE_B ? &s->tex_pb : &s->pb;
     PutBitContext *const dc_pb  = s->data_partitioning && s->pict_type != AV_PICTURE_TYPE_I ? &s->pb2 : &s->pb;
-    const int interleaved_stats = (s->avctx->flags & CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0;
+    const int interleaved_stats = (s->avctx->flags & AV_CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0;
 
     if (!s->mb_intra) {
         int i, cbp;
@@ -822,7 +822,7 @@ void ff_mpeg4_encode_mb(MpegEncContext *s, int16_t block[6][64],
         for (i = 0; i < 6; i++)
             dc_diff[i] = ff_mpeg4_pred_dc(s, i, block[i][0], &dir[i], 1);
 
-        if (s->avctx->flags & CODEC_FLAG_AC_PRED) {
+        if (s->avctx->flags & AV_CODEC_FLAG_AC_PRED) {
             s->ac_pred = decide_ac_pred(s, block, dir, scan_table, zigzag_last_index);
         } else {
             for (i = 0; i < 6; i++)
@@ -923,7 +923,7 @@ static void mpeg4_encode_gop_header(MpegEncContext *s)
     put_bits(&s->pb, 1, 1);
     put_bits(&s->pb, 6, seconds);
 
-    put_bits(&s->pb, 1, !!(s->avctx->flags & CODEC_FLAG_CLOSED_GOP));
+    put_bits(&s->pb, 1, !!(s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP));
     put_bits(&s->pb, 1, 0);  // broken link == NO
 
     s->last_time_base = time / s->avctx->time_base.den;
@@ -1069,7 +1069,7 @@ static void mpeg4_encode_vol_header(MpegEncContext *s,
     ff_mpeg4_stuffing(&s->pb);
 
     /* user data */
-    if (!(s->avctx->flags & CODEC_FLAG_BITEXACT)) {
+    if (!(s->avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
         put_bits(&s->pb, 16, 0);
         put_bits(&s->pb, 16, 0x1B2);    /* user_data */
         avpriv_put_string(&s->pb, LIBAVCODEC_IDENT, 0);
@@ -1083,7 +1083,7 @@ void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
     int time_div, time_mod;
 
     if (s->pict_type == AV_PICTURE_TYPE_I) {
-        if (!(s->avctx->flags & CODEC_FLAG_GLOBAL_HEADER)) {
+        if (!(s->avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) {
             if (s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT)  // HACK, the reference sw is buggy
                 mpeg4_encode_visual_object_header(s);
             if (s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT || picture_number == 0)  // HACK, the reference sw is buggy
@@ -1312,7 +1312,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     s->y_dc_scale_table         = ff_mpeg4_y_dc_scale_table;
     s->c_dc_scale_table         = ff_mpeg4_c_dc_scale_table;
 
-    if (s->avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (s->avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         s->avctx->extradata = av_malloc(1024);
         init_put_bits(&s->pb, s->avctx->extradata, 1024);
 
diff --git a/libavcodec/mpegaudiodec_template.c b/libavcodec/mpegaudiodec_template.c
index 293316b944..ba1f82b99f 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -412,7 +412,7 @@ static av_cold int decode_init(AVCodecContext * avctx)
 
     s->avctx = avctx;
 
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
     ff_mpadsp_init(&s->mpadsp);
 
     if (avctx->request_sample_fmt == OUT_FMT &&
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 2e8fb89c1d..49528f2827 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -280,7 +280,7 @@ static av_cold int dct_init(MpegEncContext *s)
     s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
     s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
     s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
-    if (s->avctx->flags & CODEC_FLAG_BITEXACT)
+    if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
         s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
     s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
 
@@ -695,7 +695,7 @@ static int init_context_frame(MpegEncContext *s)
     }
 
     if (s->codec_id == AV_CODEC_ID_MPEG4 ||
-        (s->avctx->flags & CODEC_FLAG_INTERLACED_ME)) {
+        (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)) {
         /* interlaced direct mode decoding tables */
         for (i = 0; i < 2; i++) {
             int j, k;
@@ -1121,7 +1121,7 @@ int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
     s->current_picture_ptr->field_picture      =  s->picture_structure != PICT_FRAME;
 
     s->current_picture_ptr->f->pict_type = s->pict_type;
-    // if (s->avctx->flags && CODEC_FLAG_QSCALE)
+    // if (s->avctx->flags && AV_CODEC_FLAG_QSCALE)
     //     s->current_picture_ptr->quality = s->new_picture_ptr->quality;
     s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
 
@@ -1533,7 +1533,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     else if (!is_mpeg12 && (s->h263_pred || s->h263_aic))
         s->mbintra_table[mb_xy]=1;
 
-    if ((s->avctx->flags & CODEC_FLAG_PSNR) ||
+    if ((s->avctx->flags & AV_CODEC_FLAG_PSNR) ||
         !(s->encoding && (s->intra_only || s->pict_type == AV_PICTURE_TYPE_B) &&
           s->avctx->mb_decision != FF_MB_DECISION_RD)) { // FIXME precalc
         uint8_t *dest_y, *dest_cb, *dest_cr;
@@ -1624,7 +1624,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 add_dequant_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize, s->qscale);
                 add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
 
-                if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                     if (s->chroma_y_shift){
                         add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
                         add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
@@ -1643,7 +1643,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 add_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize);
                 add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);
 
-                if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                     if(s->chroma_y_shift){//Chroma420
                         add_dct(s, block[4], 4, dest_cb, uvlinesize);
                         add_dct(s, block[5], 5, dest_cr, uvlinesize);
@@ -1676,7 +1676,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 put_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize, s->qscale);
                 put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
 
-                if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                     if(s->chroma_y_shift){
                         put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
                         put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
@@ -1695,7 +1695,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 s->idsp.idct_put(dest_y + dct_offset,              dct_linesize, block[2]);
                 s->idsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
 
-                if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                     if(s->chroma_y_shift){
                         s->idsp.idct_put(dest_cb, uvlinesize, block[4]);
                         s->idsp.idct_put(dest_cr, uvlinesize, block[5]);
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index b348e984a1..b25ce47332 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -311,7 +311,7 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
     s->max_b_frames = avctx->max_b_frames;
     s->codec_id     = avctx->codec->id;
     s->strict_std_compliance = avctx->strict_std_compliance;
-    s->quarter_sample     = (avctx->flags & CODEC_FLAG_QPEL) != 0;
+    s->quarter_sample     = (avctx->flags & AV_CODEC_FLAG_QPEL) != 0;
     s->mpeg_quant         = avctx->mpeg_quant;
     s->rtp_mode           = !!avctx->rtp_payload_size;
     s->intra_dc_precision = avctx->intra_dc_precision;
@@ -331,7 +331,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #endif
 
     /* Fixed QSCALE */
-    s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
+    s->fixed_qscale = !!(avctx->flags & AV_CODEC_FLAG_QSCALE);
 
 #if FF_API_MPV_OPT
     FF_DISABLE_DEPRECATION_WARNINGS
@@ -349,7 +349,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                          (s->mpv_flags & FF_MPV_FLAG_QP_RD)) &&
                         !s->fixed_qscale;
 
-    s->loop_filter = !!(s->avctx->flags & CODEC_FLAG_LOOP_FILTER);
+    s->loop_filter = !!(s->avctx->flags & AV_CODEC_FLAG_LOOP_FILTER);
 
     if (avctx->rc_max_rate && !avctx->rc_buffer_size) {
         av_log(avctx, AV_LOG_ERROR,
@@ -406,7 +406,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
                "specified vbv buffer is too large for the given bitrate!\n");
     }
 
-    if ((s->avctx->flags & CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 &&
+    if ((s->avctx->flags & AV_CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 &&
         s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P &&
         s->codec_id != AV_CODEC_ID_FLV1) {
         av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
@@ -443,7 +443,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         return -1;
     }
 
-    if ((s->avctx->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
+    if ((s->avctx->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME)) &&
         s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
         av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
         return -1;
@@ -468,14 +468,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     if (s->avctx->scenechange_threshold < 1000000000 &&
-        (s->avctx->flags & CODEC_FLAG_CLOSED_GOP)) {
+        (s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP)) {
         av_log(avctx, AV_LOG_ERROR,
                "closed gop with scene change detection are not supported yet, "
                "set threshold to 1000000000\n");
         return -1;
     }
 
-    if (s->avctx->flags & CODEC_FLAG_LOW_DELAY) {
+    if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY) {
         if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
             av_log(avctx, AV_LOG_ERROR,
                   "low delay forcing is only available for mpeg2\n");
@@ -521,7 +521,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         return -1;
     }
 
-    if (avctx->b_frame_strategy && (avctx->flags & CODEC_FLAG_PASS2)) {
+    if (avctx->b_frame_strategy && (avctx->flags & AV_CODEC_FLAG_PASS2)) {
         av_log(avctx, AV_LOG_INFO,
                "notice: b_frame_strategy only affects the first pass\n");
         avctx->b_frame_strategy = 0;
@@ -571,12 +571,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
     switch (avctx->codec->id) {
     case AV_CODEC_ID_MPEG1VIDEO:
         s->out_format = FMT_MPEG1;
-        s->low_delay  = !!(s->avctx->flags & CODEC_FLAG_LOW_DELAY);
+        s->low_delay  = !!(s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY);
         avctx->delay  = s->low_delay ? 0 : (s->max_b_frames + 1);
         break;
     case AV_CODEC_ID_MPEG2VIDEO:
         s->out_format = FMT_MPEG1;
-        s->low_delay  = !!(s->avctx->flags & CODEC_FLAG_LOW_DELAY);
+        s->low_delay  = !!(s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY);
         avctx->delay  = s->low_delay ? 0 : (s->max_b_frames + 1);
         s->rtp_mode   = 1;
         break;
@@ -624,9 +624,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
         s->out_format = FMT_H263;
         s->h263_plus  = 1;
         /* Fx */
-        s->h263_aic        = (avctx->flags & CODEC_FLAG_AC_PRED) ? 1 : 0;
+        s->h263_aic        = (avctx->flags & AV_CODEC_FLAG_AC_PRED) ? 1 : 0;
         s->modified_quant  = s->h263_aic;
-        s->loop_filter     = (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
+        s->loop_filter     = (avctx->flags & AV_CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
         s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus;
 
         /* /Fx */
@@ -708,8 +708,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
     s->encoding = 1;
 
     s->progressive_frame    =
-    s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT |
-                                                CODEC_FLAG_INTERLACED_ME) ||
+    s->progressive_sequence = !(avctx->flags & (AV_CODEC_FLAG_INTERLACED_DCT |
+                                                AV_CODEC_FLAG_INTERLACED_ME) ||
                                 s->alternate_scan);
 
     /* init */
@@ -1167,8 +1167,8 @@ static int estimate_best_b_count(MpegEncContext *s)
 
     c->width        = s->width  >> scale;
     c->height       = s->height >> scale;
-    c->flags        = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR;
-    c->flags       |= s->avctx->flags & CODEC_FLAG_QPEL;
+    c->flags        = AV_CODEC_FLAG_QSCALE | AV_CODEC_FLAG_PSNR;
+    c->flags       |= s->avctx->flags & AV_CODEC_FLAG_QPEL;
     c->mb_decision  = s->avctx->mb_decision;
     c->me_cmp       = s->avctx->me_cmp;
     c->mb_cmp       = s->avctx->mb_cmp;
@@ -1290,7 +1290,7 @@ static int select_input_picture(MpegEncContext *s)
                 }
             }
 
-            if (s->avctx->flags & CODEC_FLAG_PASS2) {
+            if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
                 for (i = 0; i < s->max_b_frames + 1; i++) {
                     int pict_num = s->input_picture[0]->f->display_picture_number + i;
 
@@ -1359,13 +1359,13 @@ static int select_input_picture(MpegEncContext *s)
                     s->gop_size > s->picture_in_gop_number) {
                     b_frames = s->gop_size - s->picture_in_gop_number - 1;
                 } else {
-                    if (s->avctx->flags & CODEC_FLAG_CLOSED_GOP)
+                    if (s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP)
                         b_frames = 0;
                     s->input_picture[b_frames]->f->pict_type = AV_PICTURE_TYPE_I;
                 }
             }
 
-            if ((s->avctx->flags & CODEC_FLAG_CLOSED_GOP) && b_frames &&
+            if ((s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP) && b_frames &&
                 s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_I)
                 b_frames--;
 
@@ -1686,7 +1686,7 @@ vbv_retry:
             assert(s->avctx->rc_max_rate);
         }
 
-        if (s->avctx->flags & CODEC_FLAG_PASS1)
+        if (s->avctx->flags & AV_CODEC_FLAG_PASS1)
             ff_write_pass1_stats(s);
 
         for (i = 0; i < 4; i++) {
@@ -1694,7 +1694,7 @@ vbv_retry:
             avctx->error[i] += s->current_picture_ptr->f->error[i];
         }
 
-        if (s->avctx->flags & CODEC_FLAG_PASS1)
+        if (s->avctx->flags & AV_CODEC_FLAG_PASS1)
             assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits +
                    avctx->i_tex_bits + avctx->p_tex_bits ==
                        put_bits_count(&s->pb));
@@ -1982,7 +1982,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
     }
 
     if (s->mb_intra) {
-        if (s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+        if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
             int progressive_score, interlaced_score;
 
             s->interlaced_dct = 0;
@@ -2011,7 +2011,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
         s->pdsp.get_pixels(s->block[2], ptr_y + dct_offset,     wrap_y);
         s->pdsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
 
-        if (s->avctx->flags & CODEC_FLAG_GRAY) {
+        if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
             skip_dct[4] = 1;
             skip_dct[5] = 1;
         } else {
@@ -2054,7 +2054,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
                           op_pix, op_qpix);
         }
 
-        if (s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+        if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
             int progressive_score, interlaced_score;
 
             s->interlaced_dct = 0;
@@ -2091,7 +2091,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
         s->pdsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
                             dest_y + dct_offset + 8, wrap_y);
 
-        if (s->avctx->flags & CODEC_FLAG_GRAY) {
+        if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
             skip_dct[4] = 1;
             skip_dct[5] = 1;
         } else {
@@ -2201,7 +2201,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
         }
     }
 
-    if ((s->avctx->flags & CODEC_FLAG_GRAY) && s->mb_intra) {
+    if ((s->avctx->flags & AV_CODEC_FLAG_GRAY) && s->mb_intra) {
         s->block_last_index[4] =
         s->block_last_index[5] = 0;
         s->block[4][0] =
@@ -2513,7 +2513,7 @@ static void write_slice_end(MpegEncContext *s){
     avpriv_align_put_bits(&s->pb);
     flush_put_bits(&s->pb);
 
-    if ((s->avctx->flags & CODEC_FLAG_PASS1) && !s->partitioned_frame)
+    if ((s->avctx->flags & AV_CODEC_FLAG_PASS1) && !s->partitioned_frame)
         s->misc_bits+= get_bits_diff(s);
 }
 
@@ -2724,7 +2724,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
                     break;
                     }
 
-                    if (s->avctx->flags & CODEC_FLAG_PASS1) {
+                    if (s->avctx->flags & AV_CODEC_FLAG_PASS1) {
                         int bits= put_bits_count(&s->pb);
                         s->misc_bits+= bits - s->last_bits;
                         s->last_bits= bits;
@@ -3143,7 +3143,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
                 s->p_mv_table[xy][1]=0;
             }
 
-            if (s->avctx->flags & CODEC_FLAG_PSNR) {
+            if (s->avctx->flags & AV_CODEC_FLAG_PSNR) {
                 int w= 16;
                 int h= 16;
 
@@ -3308,11 +3308,11 @@ static int encode_picture(MpegEncContext *s, int picture_number)
             s->no_rounding ^= 1;
     }
 
-    if (s->avctx->flags & CODEC_FLAG_PASS2) {
+    if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
         if (estimate_qp(s,1) < 0)
             return -1;
         ff_get_2pass_fcode(s);
-    } else if (!(s->avctx->flags & CODEC_FLAG_QSCALE)) {
+    } else if (!(s->avctx->flags & AV_CODEC_FLAG_QSCALE)) {
         if(s->pict_type==AV_PICTURE_TYPE_B)
             s->lambda= s->last_lambda_for[s->pict_type];
         else
@@ -3370,7 +3370,7 @@ static int encode_picture(MpegEncContext *s, int picture_number)
         if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
             s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
 
-            if (s->avctx->flags & CODEC_FLAG_INTERLACED_ME) {
+            if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
                 int a,b;
                 a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
                 b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
@@ -3379,7 +3379,7 @@ static int encode_picture(MpegEncContext *s, int picture_number)
 
             ff_fix_long_p_mvs(s);
             ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
-            if (s->avctx->flags & CODEC_FLAG_INTERLACED_ME) {
+            if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
                 int j;
                 for(i=0; i<2; i++){
                     for(j=0; j<2; j++)
@@ -3404,7 +3404,7 @@ static int encode_picture(MpegEncContext *s, int picture_number)
             ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
             ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
             ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
-            if (s->avctx->flags & CODEC_FLAG_INTERLACED_ME) {
+            if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
                 int dir, j;
                 for(dir=0; dir<2; dir++){
                     for(i=0; i<2; i++){
@@ -3425,7 +3425,7 @@ static int encode_picture(MpegEncContext *s, int picture_number)
 
     if (s->qscale < 3 && s->max_qcoeff <= 128 &&
         s->pict_type == AV_PICTURE_TYPE_I &&
-        !(s->avctx->flags & CODEC_FLAG_QSCALE))
+        !(s->avctx->flags & AV_CODEC_FLAG_QSCALE))
         s->qscale= 3; //reduce clipping problems
 
     if (s->out_format == FMT_MJPEG) {
diff --git a/libavcodec/mpegvideo_motion.c b/libavcodec/mpegvideo_motion.c
index c1c9221439..05375a1afa 100644
--- a/libavcodec/mpegvideo_motion.c
+++ b/libavcodec/mpegvideo_motion.c
@@ -87,7 +87,7 @@ static void gmc1_motion(MpegEncContext *s,
         }
     }
 
-    if (CONFIG_GRAY && s->avctx->flags & CODEC_FLAG_GRAY)
+    if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     motion_x   = s->sprite_offset[1][0];
@@ -164,7 +164,7 @@ static void gmc_motion(MpegEncContext *s,
                 a + 1, (1 << (2 * a + 1)) - s->no_rounding,
                 s->h_edge_pos, s->v_edge_pos);
 
-    if (CONFIG_GRAY && s->avctx->flags & CODEC_FLAG_GRAY)
+    if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     ox = s->sprite_offset[1][0] + s->sprite_delta[0][0] * s->mb_x * 8 +
@@ -324,7 +324,7 @@ void mpeg_motion_internal(MpegEncContext *s,
                                  src_x, src_y << field_based,
                                  s->h_edge_pos, s->v_edge_pos);
         ptr_y = s->sc.edge_emu_buffer;
-        if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+        if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
             uint8_t *uvbuf = s->sc.edge_emu_buffer + 18 * s->linesize;
             s->vdsp.emulated_edge_mc(uvbuf, ptr_cb,
                                      s->uvlinesize, s->uvlinesize,
@@ -357,7 +357,7 @@ void mpeg_motion_internal(MpegEncContext *s,
 
     pix_op[0][dxy](dest_y, ptr_y, linesize, h);
 
-    if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         pix_op[s->chroma_x_shift][uvdxy]
             (dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift);
         pix_op[s->chroma_x_shift][uvdxy]
@@ -545,7 +545,7 @@ static inline void qpel_motion(MpegEncContext *s,
                                  src_x, src_y << field_based,
                                  s->h_edge_pos, s->v_edge_pos);
         ptr_y = s->sc.edge_emu_buffer;
-        if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+        if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
             uint8_t *uvbuf = s->sc.edge_emu_buffer + 18 * s->linesize;
             s->vdsp.emulated_edge_mc(uvbuf, ptr_cb,
                                      s->uvlinesize, s->uvlinesize,
@@ -581,7 +581,7 @@ static inline void qpel_motion(MpegEncContext *s,
         qpix_op[1][dxy](dest_y, ptr_y, linesize);
         qpix_op[1][dxy](dest_y + 8, ptr_y + 8, linesize);
     }
-    if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
         pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
     }
@@ -737,7 +737,7 @@ static inline void apply_obmc(MpegEncContext *s,
         mx += mv[0][0];
         my += mv[0][1];
     }
-    if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY))
+    if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY))
         chroma_4mv_motion(s, dest_cb, dest_cr,
                           ref_picture, pix_op[1],
                           mx, my);
@@ -810,7 +810,7 @@ static inline void apply_8x8(MpegEncContext *s,
         }
     }
 
-    if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY))
+    if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY))
         chroma_4mv_motion(s, dest_cb, dest_cr,
                           ref_picture, pix_op[1], mx, my);
 }
diff --git a/libavcodec/mpegvideo_xvmc.c b/libavcodec/mpegvideo_xvmc.c
index 4628360a02..b7de79c583 100644
--- a/libavcodec/mpegvideo_xvmc.c
+++ b/libavcodec/mpegvideo_xvmc.c
@@ -285,7 +285,7 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
             cbp++;
     }
 
-    if (s->avctx->flags & CODEC_FLAG_GRAY) {
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
         if (s->mb_intra) {                                   // intra frames are always full chroma blocks
             for (i = 4; i < blocks_per_mb; i++) {
                 memset(s->pblocks[i], 0, sizeof(*s->pblocks[i]));  // so we need to clear them
diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c
index e86846679e..2870b6dc6f 100644
--- a/libavcodec/nellymoserdec.c
+++ b/libavcodec/nellymoserdec.c
@@ -121,7 +121,7 @@ static av_cold int decode_init(AVCodecContext * avctx) {
     av_lfg_init(&s->random_state, 0);
     ff_mdct_init(&s->imdct_ctx, 8, 1, 1.0);
 
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     s->scale_bias = 1.0/(32768*8);
     avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
diff --git a/libavcodec/nellymoserenc.c b/libavcodec/nellymoserenc.c
index 98c2b390cc..2486e7b01e 100644
--- a/libavcodec/nellymoserenc.c
+++ b/libavcodec/nellymoserenc.c
@@ -170,7 +170,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     if ((ret = ff_mdct_init(&s->mdct_ctx, 8, 0, 32768.0)) < 0)
         goto error;
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     /* Generate overlap window */
     ff_sine_window_init(ff_sine_128, 128);
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 35c04e847a..bfb5856a7f 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -478,8 +478,8 @@ static int nvenc_setup_h264_config(AVCodecContext *avctx)
 
     vui->videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
 
-    h264->disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
-    h264->repeatSPSPPS  = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+    h264->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+    h264->repeatSPSPPS  = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
 
     h264->maxNumRefFrames = avctx->refs;
     h264->idrPeriod       = cc->gopLength;
@@ -521,8 +521,8 @@ static int nvenc_setup_hevc_config(AVCodecContext *avctx)
     NV_ENC_CONFIG *cc                      = &ctx->config;
     NV_ENC_CONFIG_HEVC *hevc               = &cc->encodeCodecConfig.hevcConfig;
 
-    hevc->disableSPSPPS = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
-    hevc->repeatSPSPPS  = (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+    hevc->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+    hevc->repeatSPSPPS  = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
 
     hevc->maxNumRefFramesInDPB = avctx->refs;
     hevc->idrPeriod            = cc->gopLength;
@@ -629,7 +629,7 @@ static int nvenc_setup_encoder(AVCodecContext *avctx)
 
     nvenc_setup_rate_control(avctx);
 
-    if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+    if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
         ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
     } else {
         ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
@@ -812,7 +812,7 @@ av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
     if ((ret = nvenc_setup_surfaces(avctx)) < 0)
         return ret;
 
-    if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         if ((ret = nvenc_setup_extradata(avctx)) < 0)
             return ret;
     }
@@ -1088,7 +1088,7 @@ int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         params.outputBitstream = out->out;
         params.inputTimeStamp  = frame->pts;
 
-        if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
+        if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
             if (frame->top_field_first)
                 params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
             else
diff --git a/libavcodec/on2avc.c b/libavcodec/on2avc.c
index 287ecfbd89..83589ff442 100644
--- a/libavcodec/on2avc.c
+++ b/libavcodec/on2avc.c
@@ -951,7 +951,7 @@ static av_cold int on2avc_decode_init(AVCodecContext *avctx)
     ff_fft_init(&c->fft256,  7, 0);
     ff_fft_init(&c->fft512,  8, 1);
     ff_fft_init(&c->fft1024, 9, 1);
-    avpriv_float_dsp_init(&c->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&c->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     if (init_vlc(&c->scale_diff, 9, ON2AVC_SCALE_DIFFS,
                  ff_on2avc_scale_diff_bits,  1, 1,
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index c5b2f76659..055f5e42b2 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -47,11 +47,11 @@ static const AVOption avcodec_options[] = {
        "to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality.",
        OFFSET(bit_rate_tolerance), AV_OPT_TYPE_INT, {.i64 = AV_CODEC_DEFAULT_BITRATE*20 }, 1, INT_MAX, V|E},
 {"flags", NULL, OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = DEFAULT }, 0, UINT_MAX, V|A|E|D, "flags"},
-{"unaligned", "allow decoders to produce unaligned output", 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_FLAG_UNALIGNED }, INT_MIN, INT_MAX, V | D, "flags" },
-{"mv4", "use four motion vectors per macroblock (MPEG-4)", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},
-{"qpel", "use 1/4-pel motion compensation", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_QPEL }, INT_MIN, INT_MAX, V|E, "flags"},
-{"loop", "use loop filter", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_LOOP_FILTER }, INT_MIN, INT_MAX, V|E, "flags"},
-{"qscale", "use fixed qscale", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_QSCALE }, INT_MIN, INT_MAX, 0, "flags"},
+{"unaligned", "allow decoders to produce unaligned output", 0, AV_OPT_TYPE_CONST, { .i64 = AV_CODEC_FLAG_UNALIGNED }, INT_MIN, INT_MAX, V | D, "flags" },
+{"mv4", "use four motion vectors per macroblock (MPEG-4)", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},
+{"qpel", "use 1/4-pel motion compensation", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_QPEL }, INT_MIN, INT_MAX, V|E, "flags"},
+{"loop", "use loop filter", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_LOOP_FILTER }, INT_MIN, INT_MAX, V|E, "flags"},
+{"qscale", "use fixed qscale", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_QSCALE }, INT_MIN, INT_MAX, 0, "flags"},
 #if FF_API_GMC
 {"gmc", "use gmc", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_GMC }, INT_MIN, INT_MAX, V|E, "flags"},
 #endif
@@ -61,29 +61,29 @@ static const AVOption avcodec_options[] = {
 #if FF_API_INPUT_PRESERVED
 {"input_preserved", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_INPUT_PRESERVED }, INT_MIN, INT_MAX, 0, "flags"},
 #endif
-{"pass1", "use internal 2-pass ratecontrol in first  pass mode", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_PASS1 }, INT_MIN, INT_MAX, 0, "flags"},
-{"pass2", "use internal 2-pass ratecontrol in second pass mode", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_PASS2 }, INT_MIN, INT_MAX, 0, "flags"},
-{"gray", "only decode/encode grayscale", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_GRAY }, INT_MIN, INT_MAX, V|E|D, "flags"},
+{"pass1", "use internal 2-pass ratecontrol in first  pass mode", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_PASS1 }, INT_MIN, INT_MAX, 0, "flags"},
+{"pass2", "use internal 2-pass ratecontrol in second pass mode", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_PASS2 }, INT_MIN, INT_MAX, 0, "flags"},
+{"gray", "only decode/encode grayscale", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_GRAY }, INT_MIN, INT_MAX, V|E|D, "flags"},
 #if FF_API_EMU_EDGE
 {"emu_edge", "do not draw edges", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_EMU_EDGE }, INT_MIN, INT_MAX, 0, "flags"},
 #endif
-{"psnr", "error[?] variables will be set during encoding", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_PSNR }, INT_MIN, INT_MAX, V|E, "flags"},
-{"truncated", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_TRUNCATED }, INT_MIN, INT_MAX, 0, "flags"},
+{"psnr", "error[?] variables will be set during encoding", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_PSNR }, INT_MIN, INT_MAX, V|E, "flags"},
+{"truncated", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_TRUNCATED }, INT_MIN, INT_MAX, 0, "flags"},
 #if FF_API_NORMALIZE_AQP
 {"naq", "normalize adaptive quantization", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_NORMALIZE_AQP }, INT_MIN, INT_MAX, V|E, "flags"},
 #endif
-{"ildct", "use interlaced DCT", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_INTERLACED_DCT }, INT_MIN, INT_MAX, V|E, "flags"},
-{"low_delay", "force low delay", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_LOW_DELAY }, INT_MIN, INT_MAX, V|D|E, "flags"},
-{"global_header", "place global headers in extradata instead of every keyframe", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_GLOBAL_HEADER }, INT_MIN, INT_MAX, V|A|E, "flags"},
-{"bitexact", "use only bitexact functions (except (I)DCT)", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_BITEXACT }, INT_MIN, INT_MAX, A|V|S|D|E, "flags"},
-{"aic", "H.263 advanced intra coding / MPEG-4 AC prediction", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_AC_PRED }, INT_MIN, INT_MAX, V|E, "flags"},
-{"ilme", "interlaced motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_INTERLACED_ME }, INT_MIN, INT_MAX, V|E, "flags"},
-{"cgop", "closed GOP", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_CLOSED_GOP }, INT_MIN, INT_MAX, V|E, "flags"},
-{"output_corrupt", "Output even potentially corrupted frames", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG_OUTPUT_CORRUPT }, INT_MIN, INT_MAX, V|D, "flags"},
-{"fast", "allow non-spec-compliant speedup tricks", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_FAST }, INT_MIN, INT_MAX, V|E, "flags2"},
-{"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
-{"ignorecrop", "ignore cropping information from sps", 1, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_IGNORE_CROP }, INT_MIN, INT_MAX, V|D, "flags2"},
-{"local_header", "place global headers at every keyframe instead of in extradata", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V|E, "flags2"},
+{"ildct", "use interlaced DCT", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_INTERLACED_DCT }, INT_MIN, INT_MAX, V|E, "flags"},
+{"low_delay", "force low delay", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_LOW_DELAY }, INT_MIN, INT_MAX, V|D|E, "flags"},
+{"global_header", "place global headers in extradata instead of every keyframe", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_GLOBAL_HEADER }, INT_MIN, INT_MAX, V|A|E, "flags"},
+{"bitexact", "use only bitexact functions (except (I)DCT)", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_BITEXACT }, INT_MIN, INT_MAX, A|V|S|D|E, "flags"},
+{"aic", "H.263 advanced intra coding / MPEG-4 AC prediction", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_AC_PRED }, INT_MIN, INT_MAX, V|E, "flags"},
+{"ilme", "interlaced motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_INTERLACED_ME }, INT_MIN, INT_MAX, V|E, "flags"},
+{"cgop", "closed GOP", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_CLOSED_GOP }, INT_MIN, INT_MAX, V|E, "flags"},
+{"output_corrupt", "Output even potentially corrupted frames", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG_OUTPUT_CORRUPT }, INT_MIN, INT_MAX, V|D, "flags"},
+{"fast", "allow non-spec-compliant speedup tricks", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG2_FAST }, INT_MIN, INT_MAX, V|E, "flags2"},
+{"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
+{"ignorecrop", "ignore cropping information from sps", 1, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG2_IGNORE_CROP }, INT_MIN, INT_MAX, V|D, "flags2"},
+{"local_header", "place global headers at every keyframe instead of in extradata", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V|E, "flags2"},
 #if FF_API_MOTION_EST
 {"me_method", "set motion estimation method", OFFSET(me_method), AV_OPT_TYPE_INT, {.i64 = ME_EPZS }, INT_MIN, INT_MAX, V|E, "me_method"},
 {"zero", "zero motion estimation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = ME_ZERO }, INT_MIN, INT_MAX, V|E, "me_method" },
diff --git a/libavcodec/opus_celt.c b/libavcodec/opus_celt.c
index d453e2d2e9..07a4f775f9 100644
--- a/libavcodec/opus_celt.c
+++ b/libavcodec/opus_celt.c
@@ -2208,7 +2208,7 @@ int ff_celt_init(AVCodecContext *avctx, CeltContext **ps, int output_channels)
             goto fail;
     }
 
-    avpriv_float_dsp_init(&s->dsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->dsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     ff_celt_flush(s);
 
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index ef83728580..1b223f50ee 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -179,8 +179,8 @@ int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx,
                      const uint8_t *buf, int buf_size, int keyframe)
 {
     if (s && s->parser->split) {
-        if (avctx->flags  & CODEC_FLAG_GLOBAL_HEADER ||
-            avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) {
+        if (avctx->flags  & AV_CODEC_FLAG_GLOBAL_HEADER ||
+            avctx->flags2 & AV_CODEC_FLAG2_LOCAL_HEADER) {
             int i = s->parser->split(avctx, buf, buf_size);
             buf      += i;
             buf_size -= i;
@@ -191,7 +191,7 @@ int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx,
     *poutbuf      = (uint8_t *) buf;
     *poutbuf_size = buf_size;
     if (avctx->extradata) {
-        if (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)) {
+        if (keyframe && (avctx->flags2 & AV_CODEC_FLAG2_LOCAL_HEADER)) {
             int size = buf_size + avctx->extradata_size;
 
             *poutbuf_size = size;
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index df5e08f11e..9f336a71d6 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -243,7 +243,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     uint8_t *rgba_buf        = NULL;
     uint8_t *top_buf         = NULL;
 
-    is_progressive = !!(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
+    is_progressive = !!(avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT);
     switch (avctx->pix_fmt) {
     case AV_PIX_FMT_RGBA64BE:
         bit_depth = 16;
diff --git a/libavcodec/proresenc.c b/libavcodec/proresenc.c
index 88e9482375..6079eecec5 100644
--- a/libavcodec/proresenc.c
+++ b/libavcodec/proresenc.c
@@ -969,7 +969,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     bytestream_put_be16  (&buf, avctx->height);
 
     frame_flags = ctx->chroma_factor << 6;
-    if (avctx->flags & CODEC_FLAG_INTERLACED_DCT)
+    if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT)
         frame_flags |= pic->top_field_first ? 0x04 : 0x08;
     bytestream_put_byte  (&buf, frame_flags);
 
@@ -1131,7 +1131,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     int mps;
     int i, j;
     int min_quant, max_quant;
-    int interlaced = !!(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
+    int interlaced = !!(avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT);
 
     avctx->bits_per_raw_sample = 10;
 
diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index 682fd051cc..872bbd5b4b 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -46,9 +46,9 @@
 static void validate_thread_parameters(AVCodecContext *avctx)
 {
     int frame_threading_supported = (avctx->codec->capabilities & CODEC_CAP_FRAME_THREADS)
-                                && !(avctx->flags & CODEC_FLAG_TRUNCATED)
-                                && !(avctx->flags & CODEC_FLAG_LOW_DELAY)
-                                && !(avctx->flags2 & CODEC_FLAG2_CHUNKS);
+                                && !(avctx->flags  & AV_CODEC_FLAG_TRUNCATED)
+                                && !(avctx->flags  & AV_CODEC_FLAG_LOW_DELAY)
+                                && !(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS);
     if (avctx->thread_count == 1) {
         avctx->active_thread_type = 0;
     } else if (frame_threading_supported && (avctx->thread_type & FF_THREAD_FRAME)) {
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index ca91e3a5cb..e454f73d1b 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -58,7 +58,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     q->param.mfx.TargetUsage        = q->preset;
     q->param.mfx.GopPicSize         = FFMAX(0, avctx->gop_size);
     q->param.mfx.GopRefDist         = FFMAX(-1, avctx->max_b_frames) + 1;
-    q->param.mfx.GopOptFlag         = avctx->flags & CODEC_FLAG_CLOSED_GOP ?
+    q->param.mfx.GopOptFlag         = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
                                       MFX_GOP_CLOSED : 0;
     q->param.mfx.IdrInterval        = q->idr_interval;
     q->param.mfx.NumSlice           = avctx->slices;
@@ -88,7 +88,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
         q->param.mfx.FrameInfo.FrameRateExtD  = avctx->time_base.num;
     }
 
-    if (avctx->flags & CODEC_FLAG_QSCALE) {
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
         q->param.mfx.RateControlMethod = MFX_RATECONTROL_CQP;
         ratecontrol_desc = "constant quantization parameter (CQP)";
     } else if (avctx->rc_max_rate == avctx->bit_rate) {
diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c
index a67c6571fd..bcc06e858b 100644
--- a/libavcodec/ra288.c
+++ b/libavcodec/ra288.c
@@ -67,7 +67,7 @@ static av_cold int ra288_decode_init(AVCodecContext *avctx)
     avctx->channel_layout = AV_CH_LAYOUT_MONO;
     avctx->sample_fmt     = AV_SAMPLE_FMT_FLT;
 
-    avpriv_float_dsp_init(&ractx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&ractx->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     return 0;
 }
diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c
index 8332c7189c..c0eac6daf4 100644
--- a/libavcodec/ratecontrol.c
+++ b/libavcodec/ratecontrol.c
@@ -159,7 +159,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
     rcc->buffer_index = s->avctx->rc_initial_buffer_occupancy;
 
-    if (s->avctx->flags & CODEC_FLAG_PASS2) {
+    if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
         int i;
         char *p;
 
@@ -227,7 +227,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
 
         // FIXME maybe move to end
-        if ((s->avctx->flags & CODEC_FLAG_PASS2) && s->rc_strategy == 1) {
+        if ((s->avctx->flags & AV_CODEC_FLAG_PASS2) && s->rc_strategy == 1) {
 #if CONFIG_LIBXVID
             return ff_xvid_rate_control_init(s);
 #else
@@ -238,7 +238,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
     }
 
-    if (!(s->avctx->flags & CODEC_FLAG_PASS2)) {
+    if (!(s->avctx->flags & AV_CODEC_FLAG_PASS2)) {
         rcc->short_term_qsum   = 0.001;
         rcc->short_term_qcount = 0.001;
 
@@ -307,7 +307,7 @@ av_cold void ff_rate_control_uninit(MpegEncContext *s)
     av_freep(&rcc->entry);
 
 #if CONFIG_LIBXVID
-    if ((s->avctx->flags & CODEC_FLAG_PASS2) && s->rc_strategy == 1)
+    if ((s->avctx->flags & AV_CODEC_FLAG_PASS2) && s->rc_strategy == 1)
         ff_xvid_rate_control_uninit(s);
 #endif
 }
@@ -757,7 +757,7 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
     emms_c();
 
 #if CONFIG_LIBXVID
-    if ((s->avctx->flags & CODEC_FLAG_PASS2) && s->rc_strategy == 1)
+    if ((s->avctx->flags & AV_CODEC_FLAG_PASS2) && s->rc_strategy == 1)
         return ff_xvid_rate_estimate_qscale(s, dry_run);
 #endif
 
@@ -773,7 +773,7 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
                          sqrt(last_var), s->frame_bits);
     }
 
-    if (s->avctx->flags & CODEC_FLAG_PASS2) {
+    if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
         assert(picture_number >= 0);
         assert(picture_number < rcc->num_entries);
         rce         = &rcc->entry[picture_number];
@@ -804,7 +804,7 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
     var = pict_type == AV_PICTURE_TYPE_I ? pic->mb_var_sum : pic->mc_mb_var_sum;
 
     short_term_q = 0; /* avoid warning */
-    if (s->avctx->flags & CODEC_FLAG_PASS2) {
+    if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
         if (pict_type != AV_PICTURE_TYPE_I)
             assert(pict_type == rce->new_pict_type);
 
diff --git a/libavcodec/remove_extradata_bsf.c b/libavcodec/remove_extradata_bsf.c
index 460482a8ff..b82c867f43 100644
--- a/libavcodec/remove_extradata_bsf.c
+++ b/libavcodec/remove_extradata_bsf.c
@@ -33,7 +33,8 @@ static int remove_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avct
     s= bsfc->parser;
 
     if(s && s->parser->split){
-        if(  (((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)) && cmd=='a')
+        if(  (((avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ||
+               (avctx->flags2 & AV_CODEC_FLAG2_LOCAL_HEADER)) && cmd == 'a')
            ||(!keyframe && cmd=='k')
            ||(cmd=='e' || !cmd)
           ){
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index 6436881509..9f7b2c4cb7 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -686,7 +686,7 @@ static int svq1_decode_frame(AVCodecContext *avctx, void *data,
             width    = FFALIGN(s->width,  16);
             height   = FFALIGN(s->height, 16);
         } else {
-            if (avctx->flags & CODEC_FLAG_GRAY)
+            if (avctx->flags & AV_CODEC_FLAG_GRAY)
                 break;
             width    = FFALIGN(s->width  / 4, 16);
             height   = FFALIGN(s->height / 4, 16);
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 5f8eb0e6ab..7ad59d56ef 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -332,7 +332,7 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
              : s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, sl->linesize,
                                                        height);
 
-    if (!(h->flags & CODEC_FLAG_GRAY)) {
+    if (!(h->flags & AV_CODEC_FLAG_GRAY)) {
         mx     = mx + (mx < (int) x) >> 1;
         my     = my + (my < (int) y) >> 1;
         width  = width  >> 1;
diff --git a/libavcodec/tiffenc.c b/libavcodec/tiffenc.c
index f762ab8770..1f5fa0b7d6 100644
--- a/libavcodec/tiffenc.c
+++ b/libavcodec/tiffenc.c
@@ -446,7 +446,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     ADD_ENTRY(s,  TIFF_YRES,         TIFF_RATIONAL, 1,      res);
     ADD_ENTRY1(s, TIFF_RES_UNIT,     TIFF_SHORT,    2);
 
-    if (!(avctx->flags & CODEC_FLAG_BITEXACT))
+    if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT))
         ADD_ENTRY(s, TIFF_SOFTWARE_NAME, TIFF_STRING,
                   strlen(LIBAVCODEC_IDENT) + 1, LIBAVCODEC_IDENT);
 
diff --git a/libavcodec/twinvq.c b/libavcodec/twinvq.c
index e1b1c7bb64..940def45f5 100644
--- a/libavcodec/twinvq.c
+++ b/libavcodec/twinvq.c
@@ -790,7 +790,7 @@ av_cold int ff_twinvq_decode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
-    avpriv_float_dsp_init(&tctx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&tctx->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
     if ((ret = init_mdct_win(tctx))) {
         av_log(avctx, AV_LOG_ERROR, "Error initializing MDCT\n");
         ff_twinvq_decode_close(avctx);
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index e8848f6609..2ac2d42304 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2083,10 +2083,10 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
         return;
     }
     if (encode) {
-        if (enc->flags & CODEC_FLAG_PASS1)
+        if (enc->flags & AV_CODEC_FLAG_PASS1)
             snprintf(buf + strlen(buf), buf_size - strlen(buf),
                      ", pass 1");
-        if (enc->flags & CODEC_FLAG_PASS2)
+        if (enc->flags & AV_CODEC_FLAG_PASS2)
             snprintf(buf + strlen(buf), buf_size - strlen(buf),
                      ", pass 2");
     }
diff --git a/libavcodec/vble.c b/libavcodec/vble.c
index 8e042c25d1..00ac8a3491 100644
--- a/libavcodec/vble.c
+++ b/libavcodec/vble.c
@@ -151,7 +151,7 @@ static int vble_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     vble_restore_plane(ctx, pic, 0, offset, avctx->width, avctx->height);
 
     /* Chroma */
-    if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         offset += avctx->width * avctx->height;
         vble_restore_plane(ctx, pic, 1, offset, width_uv, height_uv);
 
diff --git a/libavcodec/vc1_block.c b/libavcodec/vc1_block.c
index 91c926355d..f9807ab6b1 100644
--- a/libavcodec/vc1_block.c
+++ b/libavcodec/vc1_block.c
@@ -1416,7 +1416,7 @@ static int vc1_decode_p_mb(VC1Context *v)
 
                     vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                                            (i & 4) ? v->codingset2 : v->codingset);
-                    if ((i > 3) && (s->avctx->flags & CODEC_FLAG_GRAY))
+                    if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                         continue;
                     v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
                     if (v->rangeredfrm)
@@ -1437,7 +1437,7 @@ static int vc1_decode_p_mb(VC1Context *v)
                 } else if (val) {
                     pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block,
                                              s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize,
-                                             (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY), &block_tt);
+                                             (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY), &block_tt);
                     block_cbp |= pat << (i << 2);
                     if (!v->ttmbf && ttmb < 8)
                         ttmb = -1;
@@ -1527,7 +1527,7 @@ static int vc1_decode_p_mb(VC1Context *v)
 
                     vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant,
                                            (i & 4) ? v->codingset2 : v->codingset);
-                    if ((i > 3) && (s->avctx->flags & CODEC_FLAG_GRAY))
+                    if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                         continue;
                     v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
                     if (v->rangeredfrm)
@@ -1549,7 +1549,7 @@ static int vc1_decode_p_mb(VC1Context *v)
                     pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
                                              first_block, s->dest[dst_idx] + off,
                                              (i & 4) ? s->uvlinesize : s->linesize,
-                                             (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY),
+                                             (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY),
                                              &block_tt);
                     block_cbp |= pat << (i << 2);
                     if (!v->ttmbf && ttmb < 8)
@@ -1675,7 +1675,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
 
                 vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                                        (i & 4) ? v->codingset2 : v->codingset);
-                if ((i > 3) && (s->avctx->flags & CODEC_FLAG_GRAY))
+                if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                     continue;
                 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
                 if (i < 4) {
@@ -1767,7 +1767,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
                     pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
                                              first_block, s->dest[dst_idx] + off,
                                              (i & 4) ? s->uvlinesize : (s->linesize << fieldtx),
-                                             (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY), &block_tt);
+                                             (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY), &block_tt);
                     block_cbp |= pat << (i << 2);
                     if (!v->ttmbf && ttmb < 8)
                         ttmb = -1;
@@ -1846,7 +1846,7 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
 
             vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                                    (i & 4) ? v->codingset2 : v->codingset);
-            if ((i > 3) && (s->avctx->flags & CODEC_FLAG_GRAY))
+            if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                 continue;
             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
             off  = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
@@ -1903,7 +1903,7 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
                 pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
                                          first_block, s->dest[dst_idx] + off,
                                          (i & 4) ? s->uvlinesize : s->linesize,
-                                         (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY),
+                                         (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY),
                                          &block_tt);
                 block_cbp |= pat << (i << 2);
                 if (!v->ttmbf && ttmb < 8) ttmb = -1;
@@ -2049,7 +2049,7 @@ static void vc1_decode_b_mb(VC1Context *v)
 
             vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                                    (i & 4) ? v->codingset2 : v->codingset);
-            if ((i > 3) && (s->avctx->flags & CODEC_FLAG_GRAY))
+            if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                 continue;
             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
             if (v->rangeredfrm)
@@ -2063,7 +2063,7 @@ static void vc1_decode_b_mb(VC1Context *v)
             vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
                                first_block, s->dest[dst_idx] + off,
                                (i & 4) ? s->uvlinesize : s->linesize,
-                               (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY), NULL);
+                               (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY), NULL);
             if (!v->ttmbf && ttmb < 8)
                 ttmb = -1;
             first_block = 0;
@@ -2124,7 +2124,7 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
 
             vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                                    (i & 4) ? v->codingset2 : v->codingset);
-            if ((i > 3) && (s->avctx->flags & CODEC_FLAG_GRAY))
+            if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                 continue;
             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
             if (v->rangeredfrm)
@@ -2219,7 +2219,7 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
                 vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
                                    first_block, s->dest[dst_idx] + off,
                                    (i & 4) ? s->uvlinesize : s->linesize,
-                                   (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY), NULL);
+                                   (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY), NULL);
                 if (!v->ttmbf && ttmb < 8)
                     ttmb = -1;
                 first_block = 0;
@@ -2342,7 +2342,7 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
 
             vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                                    (i & 4) ? v->codingset2 : v->codingset);
-            if (i > 3 && (s->avctx->flags & CODEC_FLAG_GRAY))
+            if (i > 3 && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                 continue;
             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
             if (i < 4) {
@@ -2508,7 +2508,7 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
                     pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
                                              first_block, s->dest[dst_idx] + off,
                                              (i & 4) ? s->uvlinesize : (s->linesize << fieldtx),
-                                             (i & 4) && (s->avctx->flags & CODEC_FLAG_GRAY), &block_tt);
+                                             (i & 4) && (s->avctx->flags & AV_CODEC_FLAG_GRAY), &block_tt);
                     block_cbp |= pat << (i << 2);
                     if (!v->ttmbf && ttmb < 8)
                         ttmb = -1;
@@ -2651,7 +2651,7 @@ static void vc1_decode_i_blocks(VC1Context *v)
 
                 vc1_decode_i_block(v, s->block[k], k, val, (k < 4) ? v->codingset : v->codingset2);
 
-                if (k > 3 && (s->avctx->flags & CODEC_FLAG_GRAY))
+                if (k > 3 && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                     continue;
                 v->vc1dsp.vc1_inv_trans_8x8(s->block[k]);
                 if (v->pq >= 9 && v->overlap) {
@@ -2675,7 +2675,7 @@ static void vc1_decode_i_blocks(VC1Context *v)
                 if (s->mb_x) {
                     v->vc1dsp.vc1_h_overlap(s->dest[0], s->linesize);
                     v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
-                    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                    if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                         v->vc1dsp.vc1_h_overlap(s->dest[1], s->uvlinesize);
                         v->vc1dsp.vc1_h_overlap(s->dest[2], s->uvlinesize);
                     }
@@ -2685,7 +2685,7 @@ static void vc1_decode_i_blocks(VC1Context *v)
                 if (!s->first_slice_line) {
                     v->vc1dsp.vc1_v_overlap(s->dest[0], s->linesize);
                     v->vc1dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize);
-                    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                    if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                         v->vc1dsp.vc1_v_overlap(s->dest[1], s->uvlinesize);
                         v->vc1dsp.vc1_v_overlap(s->dest[2], s->uvlinesize);
                     }
@@ -2814,7 +2814,7 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
                 vc1_decode_i_block_adv(v, block[k], k, val,
                                        (k < 4) ? v->codingset : v->codingset2, mquant);
 
-                if (k > 3 && (s->avctx->flags & CODEC_FLAG_GRAY))
+                if (k > 3 && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
                     continue;
                 v->vc1dsp.vc1_inv_trans_8x8(block[k]);
             }
diff --git a/libavcodec/vc1_loopfilter.c b/libavcodec/vc1_loopfilter.c
index e881f475fa..52cff1e49b 100644
--- a/libavcodec/vc1_loopfilter.c
+++ b/libavcodec/vc1_loopfilter.c
@@ -150,7 +150,7 @@ void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v)
                                       v->block[v->cur_blk_idx][0]);
             v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][3],
                                       v->block[v->cur_blk_idx][2]);
-            if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+            if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                 v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][4],
                                           v->block[v->cur_blk_idx][4]);
                 v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][5],
@@ -169,7 +169,7 @@ void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v)
                                           v->block[v->cur_blk_idx][0]);
                 v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][3],
                                           v->block[v->cur_blk_idx][1]);
-                if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+                if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                     v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][4],
                                               v->block[v->cur_blk_idx][4]);
                     v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][5],
@@ -189,7 +189,7 @@ void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v)
                                       v->block[v->left_blk_idx][0]);
             v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][3],
                                       v->block[v->left_blk_idx][1]);
-            if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+            if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
                 v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][4],
                                           v->block[v->left_blk_idx][4]);
                 v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][5],
diff --git a/libavcodec/vc1_mc.c b/libavcodec/vc1_mc.c
index be1f52c9f6..0faa6f26a9 100644
--- a/libavcodec/vc1_mc.c
+++ b/libavcodec/vc1_mc.c
@@ -136,7 +136,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
     }
 
     /* for grayscale we should not try to read from unknown area */
-    if (s->avctx->flags & CODEC_FLAG_GRAY) {
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
         srcU = s->sc.edge_emu_buffer + 18 * s->linesize;
         srcV = s->sc.edge_emu_buffer + 18 * s->linesize;
     }
@@ -228,7 +228,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
             s->hdsp.put_no_rnd_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16);
     }
 
-    if (s->avctx->flags & CODEC_FLAG_GRAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
     /* Chroma MC always uses qpel bilinear */
     uvmx = (uvmx & 3) << 1;
@@ -515,7 +515,7 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
 
     if (!v->field_mode && !v->s.last_picture.f->data[0])
         return;
-    if (s->avctx->flags & CODEC_FLAG_GRAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     for (k = 0; k < 4; k++) {
@@ -686,7 +686,7 @@ void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
     int use_ic;
     uint8_t (*lutuv)[256];
 
-    if (s->avctx->flags & CODEC_FLAG_GRAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     for (i = 0; i < 4; i++) {
@@ -837,7 +837,7 @@ void ff_vc1_interp_mc(VC1Context *v)
     }
 
     /* for grayscale we should not try to read from unknown area */
-    if (s->avctx->flags & CODEC_FLAG_GRAY) {
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
         srcU = s->sc.edge_emu_buffer + 18 * s->linesize;
         srcV = s->sc.edge_emu_buffer + 18 * s->linesize;
     }
@@ -934,7 +934,7 @@ void ff_vc1_interp_mc(VC1Context *v)
             s->hdsp.avg_no_rnd_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize, 16);
     }
 
-    if (s->avctx->flags & CODEC_FLAG_GRAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
     /* Chroma MC always uses qpel blilinear */
     uvmx = (uvmx & 3) << 1;
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 6b9713d015..c892453f5f 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -184,7 +184,7 @@ static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
     }
     alpha = av_clip_uint16(sd->coefs[1][6]);
 
-    for (plane = 0; plane < (s->avctx->flags & CODEC_FLAG_GRAY ? 1 : 3); plane++) {
+    for (plane = 0; plane < (s->avctx->flags & AV_CODEC_FLAG_GRAY ? 1 : 3); plane++) {
         int width = v->output_width>>!!plane;
 
         for (row = 0; row < v->output_height>>!!plane; row++) {
@@ -302,7 +302,7 @@ static void vc1_sprite_flush(AVCodecContext *avctx)
        wrong but it looks better than doing nothing. */
 
     if (f && f->data[0])
-        for (plane = 0; plane < (s->avctx->flags & CODEC_FLAG_GRAY ? 1 : 3); plane++)
+        for (plane = 0; plane < (s->avctx->flags & AV_CODEC_FLAG_GRAY ? 1 : 3); plane++)
             for (i = 0; i < v->sprite_height>>!!plane; i++)
                 memset(f->data[plane] + i * f->linesize[plane],
                        plane ? 128 : 0, f->linesize[plane]);
@@ -416,7 +416,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
 
     if (!avctx->extradata_size || !avctx->extradata)
         return -1;
-    if (!(avctx->flags & CODEC_FLAG_GRAY))
+    if (!(avctx->flags & AV_CODEC_FLAG_GRAY))
         avctx->pix_fmt = ff_get_format(avctx, avctx->codec->pix_fmts);
     else
         avctx->pix_fmt = AV_PIX_FMT_GRAY8;
diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index 5812f9a5ac..ae32c6cfda 100644
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -1015,7 +1015,7 @@ static av_cold int vorbis_decode_init(AVCodecContext *avctx)
 
     vc->avctx = avctx;
     ff_vorbisdsp_init(&vc->dsp);
-    avpriv_float_dsp_init(&vc->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&vc->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
 
diff --git a/libavcodec/vorbisenc.c b/libavcodec/vorbisenc.c
index 12a97bc058..5bbd07efeb 100644
--- a/libavcodec/vorbisenc.c
+++ b/libavcodec/vorbisenc.c
@@ -1178,7 +1178,7 @@ static av_cold int vorbis_encode_init(AVCodecContext *avctx)
         goto error;
 
     avctx->bit_rate = 0;
-    if (avctx->flags & CODEC_FLAG_QSCALE)
+    if (avctx->flags & AV_CODEC_FLAG_QSCALE)
         venc->quality = avctx->global_quality / (float)FF_QP2LAMBDA;
     else
         venc->quality = 3.0;
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index c48d92737c..c5e0663c69 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1081,7 +1081,7 @@ static int unpack_dct_coeffs(Vp3DecodeContext *s, GetBitContext *gb)
         return residual_eob_run;
 
     /* reverse prediction of the C-plane DC coefficients */
-    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         reverse_dc_prediction(s, s->fragment_start[1],
                               s->fragment_width[1], s->fragment_height[1]);
         reverse_dc_prediction(s, s->fragment_start[2],
@@ -1504,7 +1504,7 @@ static void render_slice(Vp3DecodeContext *s, int slice)
 
         if (!s->flipped_image)
             stride = -stride;
-        if (CONFIG_GRAY && plane && (s->avctx->flags & CODEC_FLAG_GRAY))
+        if (CONFIG_GRAY && plane && (s->avctx->flags & AV_CODEC_FLAG_GRAY))
             continue;
 
         /* for each superblock row in the slice (both of them)... */
@@ -1728,7 +1728,7 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx)
     if (avctx->pix_fmt == AV_PIX_FMT_NONE)
         avctx->pix_fmt = AV_PIX_FMT_YUV420P;
     avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
-    ff_hpeldsp_init(&s->hdsp, avctx->flags | CODEC_FLAG_BITEXACT);
+    ff_hpeldsp_init(&s->hdsp, avctx->flags | AV_CODEC_FLAG_BITEXACT);
     ff_videodsp_init(&s->vdsp, 8);
     ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
 
@@ -2282,7 +2282,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
     ret = ff_set_dimensions(avctx, s->width, s->height);
     if (ret < 0)
         return ret;
-    if (!(avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) &&
+    if (!(avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) &&
         (visible_width != s->width || visible_height != s->height)) {
         avctx->width  = visible_width;
         avctx->height = visible_height;
@@ -2291,7 +2291,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
         s->offset_x = offset_x;
         s->offset_y = s->height - visible_height - offset_y;
 
-        if ((s->offset_x & 0x1F) && !(avctx->flags & CODEC_FLAG_UNALIGNED)) {
+        if ((s->offset_x & 0x1F) && !(avctx->flags & AV_CODEC_FLAG_UNALIGNED)) {
             s->offset_x &= ~0x1F;
             av_log(avctx, AV_LOG_WARNING, "Reducing offset_x from %d to %d"
                    "chroma samples to preserve alignment.\n",
diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index 3fe68a4348..f0aabfcba3 100644
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -95,7 +95,7 @@ av_cold int ff_wma_init(AVCodecContext *avctx, int flags2)
         avctx->bit_rate    <= 0)
         return -1;
 
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     if (avctx->codec->id == AV_CODEC_ID_WMAV1)
         s->version = 1;
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index 184ae99acb..1ee5cd1717 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -286,7 +286,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     }
 
     s->avctx = avctx;
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    avpriv_float_dsp_init(&s->fdsp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
 
diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c
index c9a382d405..3974254fab 100644
--- a/libavcodec/wmv2.c
+++ b/libavcodec/wmv2.c
@@ -89,7 +89,7 @@ void ff_wmv2_add_mb(MpegEncContext *s, int16_t block1[6][64],
     wmv2_add_block(w, block1[2], dest_y + 8 * s->linesize,     s->linesize, 2);
     wmv2_add_block(w, block1[3], dest_y + 8 + 8 * s->linesize, s->linesize, 3);
 
-    if (s->avctx->flags & CODEC_FLAG_GRAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     wmv2_add_block(w, block1[4], dest_cb, s->uvlinesize, 4);
@@ -141,7 +141,7 @@ void ff_mspel_motion(MpegEncContext *s, uint8_t *dest_y,
     w->wdsp.put_mspel_pixels_tab[dxy](dest_y     + 8 * linesize, ptr     + 8 * linesize, linesize);
     w->wdsp.put_mspel_pixels_tab[dxy](dest_y + 8 + 8 * linesize, ptr + 8 + 8 * linesize, linesize);
 
-    if (s->avctx->flags & CODEC_FLAG_GRAY)
+    if (s->avctx->flags & AV_CODEC_FLAG_GRAY)
         return;
 
     if (s->out_format == FMT_H263) {
diff --git a/libavcodec/x86/hpeldsp_init.c b/libavcodec/x86/hpeldsp_init.c
index 1cc3bacd15..59cb5e143a 100644
--- a/libavcodec/x86/hpeldsp_init.c
+++ b/libavcodec/x86/hpeldsp_init.c
@@ -201,7 +201,7 @@ static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
     c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
     c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
 
-    if (!(flags & CODEC_FLAG_BITEXACT)) {
+    if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;
         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
@@ -211,7 +211,7 @@ static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
         c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
     }
 
-    if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
+    if (flags & AV_CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;
         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;
     }
@@ -235,7 +235,7 @@ static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
     c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
     c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
 
-    if (!(flags & CODEC_FLAG_BITEXACT)){
+    if (!(flags & AV_CODEC_FLAG_BITEXACT)){
         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;
         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;
         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;
@@ -245,7 +245,7 @@ static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
         c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
     }
 
-    if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
+    if (flags & AV_CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow;
         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow;
     }
diff --git a/libavcodec/x86/me_cmp_init.c b/libavcodec/x86/me_cmp_init.c
index f6c8e5b565..b906bb6caa 100644
--- a/libavcodec/x86/me_cmp_init.c
+++ b/libavcodec/x86/me_cmp_init.c
@@ -1256,7 +1256,7 @@ av_cold void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx)
         c->nsse[0] = nsse16_mmx;
         c->nsse[1] = nsse8_mmx;
 
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+        if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
             c->vsad[0] = vsad16_mmx;
         }
     }
@@ -1272,7 +1272,7 @@ av_cold void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx)
         c->sad[0] = sad16_mmxext;
         c->sad[1] = sad8_mmxext;
 
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+        if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
             c->pix_abs[0][1] = sad16_x2_mmxext;
             c->pix_abs[0][2] = sad16_y2_mmxext;
             c->pix_abs[0][3] = sad16_xy2_mmxext;
diff --git a/libavcodec/x86/mpegvideo.c b/libavcodec/x86/mpegvideo.c
index d9fb4d24fd..b739a8f9a8 100644
--- a/libavcodec/x86/mpegvideo.c
+++ b/libavcodec/x86/mpegvideo.c
@@ -454,7 +454,7 @@ av_cold void ff_mpv_common_init_x86(MpegEncContext *s)
         s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx;
         s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx;
         s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx;
-        if (!(s->avctx->flags & CODEC_FLAG_BITEXACT))
+        if (!(s->avctx->flags & AV_CODEC_FLAG_BITEXACT))
             s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx;
         s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx;
     }
diff --git a/libavcodec/x86/mpegvideoencdsp_init.c b/libavcodec/x86/mpegvideoencdsp_init.c
index 7732e7307f..71fbf2874f 100644
--- a/libavcodec/x86/mpegvideoencdsp_init.c
+++ b/libavcodec/x86/mpegvideoencdsp_init.c
@@ -203,7 +203,7 @@ av_cold void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c,
 #if HAVE_INLINE_ASM
 
     if (INLINE_MMX(cpu_flags)) {
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+        if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
             c->try_8x8basis = try_8x8basis_mmx;
         }
         c->add_8x8basis = add_8x8basis_mmx;
@@ -214,7 +214,7 @@ av_cold void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c,
     }
 
     if (INLINE_AMD3DNOW(cpu_flags)) {
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+        if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
             c->try_8x8basis = try_8x8basis_3dnow;
         }
         c->add_8x8basis = add_8x8basis_3dnow;
@@ -222,7 +222,7 @@ av_cold void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c,
 
 #if HAVE_SSSE3_INLINE
     if (INLINE_SSSE3(cpu_flags)) {
-        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+        if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
             c->try_8x8basis = try_8x8basis_ssse3;
         }
         c->add_8x8basis = add_8x8basis_ssse3;
diff --git a/libavcodec/x86/vp3dsp_init.c b/libavcodec/x86/vp3dsp_init.c
index ed38a8e4df..b320dc5db9 100644
--- a/libavcodec/x86/vp3dsp_init.c
+++ b/libavcodec/x86/vp3dsp_init.c
@@ -53,7 +53,7 @@ av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
     if (EXTERNAL_MMXEXT(cpu_flags)) {
         c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
 
-        if (!(flags & CODEC_FLAG_BITEXACT)) {
+        if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
             c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
             c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
         }
diff --git a/libavformat/mux.c b/libavformat/mux.c
index 25d69d5ef4..3cff2647ed 100644
--- a/libavformat/mux.c
+++ b/libavformat/mux.c
@@ -100,7 +100,7 @@ static int init_muxer(AVFormatContext *s, AVDictionary **options)
         goto fail;
 
 #if FF_API_LAVF_BITEXACT
-    if (s->nb_streams && s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)
+    if (s->nb_streams && s->streams[0]->codec->flags & AV_CODEC_FLAG_BITEXACT)
         s->flags |= AVFMT_FLAG_BITEXACT;
 #endif
 
@@ -195,7 +195,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
 
         if (of->flags & AVFMT_GLOBALHEADER &&
-            !(codec->flags & CODEC_FLAG_GLOBAL_HEADER))
+            !(codec->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
             av_log(s, AV_LOG_WARNING,
                    "Codec for stream %d does not use global headers "
                    "but container format requires global headers\n", i);