diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index 43efa79006..2f08f2d3b5 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -489,12 +489,12 @@ static int alac_decode_frame(AVCodecContext *avctx,
     get_bits(&alac->gb, 12); /* unknown, skip 12 bits */
 
     /* the output sample size is stored soon */
-    hassize = get_bits(&alac->gb, 1);
+    hassize = get_bits1(&alac->gb);
 
     wasted_bytes = get_bits(&alac->gb, 2); /* unknown ? */
 
     /* whether the frame is compressed */
-    isnotcompressed = get_bits(&alac->gb, 1);
+    isnotcompressed = get_bits1(&alac->gb);
 
     if (hassize) {
         /* now read the number of samples as a 32bit integer */
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 88d31d4ab1..0b1400712b 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -363,7 +363,7 @@ static int decodeSpectrum (GetBitContext *gb, float *pOut)
     float SF;
 
     numSubbands = get_bits(gb, 5); // number of coded subbands
-    codingMode = get_bits(gb, 1); // coding Mode: 0 - VLC/ 1-CLC
+    codingMode = get_bits1(gb); // coding Mode: 0 - VLC/ 1-CLC
 
     /* Get the VLC selector table for the subbands, 0 means not coded. */
     for (cnt = 0; cnt <= numSubbands; cnt++)
@@ -811,7 +811,7 @@ static int decodeFrame(ATRAC3Context *q, uint8_t* databuf)
 
         /* Fill the Weighting coeffs delay buffer */
         memmove(q->weighting_delay,&(q->weighting_delay[2]),4*sizeof(int));
-        q->weighting_delay[4] = get_bits(&q->gb,1);
+        q->weighting_delay[4] = get_bits1(&q->gb);
         q->weighting_delay[5] = get_bits(&q->gb,3);
 
         for (i = 0; i < 4; i++) {
diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c
index 4a33cab405..b410a24b25 100644
--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -455,7 +455,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
             }
             pixels_read++;
         } else {
-            bits = get_bits(&gb, 1);
+            bits = get_bits1(&gb);
             if (bits == 1) {
                 run_length = get_bits(&gb, 3) + 3;
                 bits = get_bits(&gb, 2);
@@ -471,7 +471,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
                     }
                 }
             } else {
-                bits = get_bits(&gb, 1);
+                bits = get_bits1(&gb);
                 if (bits == 0) {
                     bits = get_bits(&gb, 2);
                     if (bits == 2) {
@@ -560,7 +560,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
             }
             pixels_read++;
         } else {
-            bits = get_bits(&gb, 1);
+            bits = get_bits1(&gb);
             if (bits == 0) {
                 run_length = get_bits(&gb, 3);
 
@@ -581,7 +581,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
                     pixels_read++;
                 }
             } else {
-                bits = get_bits(&gb, 1);
+                bits = get_bits1(&gb);
                 if (bits == 0) {
                     run_length = get_bits(&gb, 2) + 4;
                     bits = get_bits(&gb, 4);
diff --git a/libavcodec/flac.c b/libavcodec/flac.c
index c20a6b5e1e..74b245d0e5 100644
--- a/libavcodec/flac.c
+++ b/libavcodec/flac.c
@@ -183,7 +183,7 @@ static int metadata_parse(FLACContext *s)
 
         av_log(s->avctx, AV_LOG_DEBUG, "STREAM HEADER\n");
         do {
-            metadata_last = get_bits(&s->gb, 1);
+            metadata_last = get_bits1(&s->gb);
             metadata_type = get_bits(&s->gb, 7);
             metadata_size = get_bits_long(&s->gb, 24);
 
diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 7dbdd5ad8e..3d4ba83863 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -5077,7 +5077,7 @@ int h263_decode_picture_header(MpegEncContext *s)
             format = get_bits(&s->gb, 3);
             dprintf(s->avctx, "ufep=1, format: %d\n", format);
             s->custom_pcf= get_bits1(&s->gb);
-            s->umvplus = get_bits(&s->gb, 1); /* Unrestricted Motion Vector */
+            s->umvplus = get_bits1(&s->gb); /* Unrestricted Motion Vector */
             if (get_bits1(&s->gb) != 0) {
                 av_log(s->avctx, AV_LOG_ERROR, "Syntax-based Arithmetic Coding (SAC) not supported\n");
             }
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index 1540b50014..9260b9ba2b 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -454,7 +454,7 @@ static void imc_get_skip_coeff(IMCContext* q) {
             q->skipFlagBits[i] = band_tab[i+1] - band_tab[i];
 
             for(j = band_tab[i]; j < band_tab[i+1]; j++) {
-                if ((q->skipFlags[j] = get_bits(&q->gb,1)))
+                if ((q->skipFlags[j] = get_bits1(&q->gb)))
                     q->skipFlagCount[i]++;
             }
         } else {
@@ -485,7 +485,7 @@ static void imc_get_skip_coeff(IMCContext* q) {
 
             if (j < band_tab[i+1]) {
                 q->skipFlagBits[i]++;
-                if ((q->skipFlags[j] = get_bits(&q->gb,1)))
+                if ((q->skipFlags[j] = get_bits1(&q->gb)))
                     q->skipFlagCount[i]++;
             }
         }
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index f2eb84108f..7e080998d0 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -2002,14 +2002,14 @@ static int mp_decode_layer3(MPADecodeContext *s)
                 g->scalefac_compress = get_bits(&s->gb, 9);
             else
                 g->scalefac_compress = get_bits(&s->gb, 4);
-            blocksplit_flag = get_bits(&s->gb, 1);
+            blocksplit_flag = get_bits1(&s->gb);
             if (blocksplit_flag) {
                 g->block_type = get_bits(&s->gb, 2);
                 if (g->block_type == 0){
                     av_log(NULL, AV_LOG_ERROR, "invalid block type\n");
                     return -1;
                 }
-                g->switch_point = get_bits(&s->gb, 1);
+                g->switch_point = get_bits1(&s->gb);
                 for(i=0;i<2;i++)
                     g->table_select[i] = get_bits(&s->gb, 5);
                 for(i=0;i<3;i++)
@@ -2081,9 +2081,9 @@ static int mp_decode_layer3(MPADecodeContext *s)
 
             g->preflag = 0;
             if (!s->lsf)
-                g->preflag = get_bits(&s->gb, 1);
-            g->scalefac_scale = get_bits(&s->gb, 1);
-            g->count1table_select = get_bits(&s->gb, 1);
+                g->preflag = get_bits1(&s->gb);
+            g->scalefac_scale = get_bits1(&s->gb);
+            g->count1table_select = get_bits1(&s->gb);
             dprintf(s->avctx, "block_type=%d switch_point=%d\n",
                     g->block_type, g->switch_point);
         }
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index ece6f90ba5..a5cb9531ca 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -195,7 +195,7 @@ int rv_decode_dc(MpegEncContext *s, int n)
             } else if (code == 0x7d) {
                 code = -128 + get_bits(&s->gb, 7);
             } else if (code == 0x7e) {
-                if (get_bits(&s->gb, 1) == 0)
+                if (get_bits1(&s->gb) == 0)
                     code = (int8_t)(get_bits(&s->gb, 8) + 1);
                 else
                     code = (int8_t)(get_bits(&s->gb, 8));
@@ -312,15 +312,15 @@ static int rv10_decode_picture_header(MpegEncContext *s)
     int mb_count, pb_frame, marker, unk, mb_xy;
 
 //printf("ff:%d\n", full_frame);
-    marker = get_bits(&s->gb, 1);
+    marker = get_bits1(&s->gb);
 
-    if (get_bits(&s->gb, 1))
+    if (get_bits1(&s->gb))
         s->pict_type = P_TYPE;
     else
         s->pict_type = I_TYPE;
 //printf("h:%X ver:%d\n",h,s->rv10_version);
     if(!marker) av_log(s->avctx, AV_LOG_ERROR, "marker missing\n");
-    pb_frame = get_bits(&s->gb, 1);
+    pb_frame = get_bits1(&s->gb);
 
 #ifdef DEBUG
     av_log(s->avctx, AV_LOG_DEBUG, "pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame);
@@ -416,7 +416,7 @@ static int rv20_decode_picture_header(MpegEncContext *s)
         return -1;
     }
 
-    if (get_bits(&s->gb, 1)){
+    if (get_bits1(&s->gb)){
         av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
         return -1;
     }
@@ -427,7 +427,7 @@ static int rv20_decode_picture_header(MpegEncContext *s)
         return -1;
     }
     if(s->avctx->sub_id == 0x30203002){
-        if (get_bits(&s->gb, 1)){
+        if (get_bits1(&s->gb)){
             av_log(s->avctx, AV_LOG_ERROR, "unknown bit2 set\n");
             return -1;
         }
@@ -437,7 +437,7 @@ static int rv20_decode_picture_header(MpegEncContext *s)
         int f, new_w, new_h;
         int v= s->avctx->extradata_size >= 4 ? 7&((uint8_t*)s->avctx->extradata)[1] : 0;
 
-        if (get_bits(&s->gb, 1)){
+        if (get_bits1(&s->gb)){
             av_log(s->avctx, AV_LOG_ERROR, "unknown bit3 set\n");
 //            return -1;
         }
diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index fa1bdf6c8b..ca8e70000b 100644
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -290,7 +290,7 @@ static int decode_header_trees(SmackVContext *smk) {
     } else {
         smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size);
     }
-    if(!get_bits(&gb, 1)) {
+    if(!get_bits1(&gb)) {
         av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n");
         smk->mclr_tbl = av_malloc(sizeof(int) * 2);
         smk->mclr_tbl[0] = 0;
@@ -298,7 +298,7 @@ static int decode_header_trees(SmackVContext *smk) {
     } else {
         smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size);
     }
-    if(!get_bits(&gb, 1)) {
+    if(!get_bits1(&gb)) {
         av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n");
         smk->full_tbl = av_malloc(sizeof(int) * 2);
         smk->full_tbl[0] = 0;
@@ -306,7 +306,7 @@ static int decode_header_trees(SmackVContext *smk) {
     } else {
         smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size);
     }
-    if(!get_bits(&gb, 1)) {
+    if(!get_bits1(&gb)) {
         av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n");
         smk->type_tbl = av_malloc(sizeof(int) * 2);
         smk->type_tbl[0] = 0;
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index 9aefce26fd..cbe6547472 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -137,7 +137,7 @@ static const uint8_t string_table[256] = {
           break;\
       }\
       /* divide block if next bit set */\
-      if (get_bits (bitbuf, 1) == 0)\
+      if (get_bits1 (bitbuf) == 0)\
         break;\
       /* add child nodes */\
       list[n++] = list[i];\
@@ -617,7 +617,7 @@ static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) {
   }
 
   /* unknown fields */
-  if (get_bits (bitbuf, 1) == 1) {
+  if (get_bits1 (bitbuf) == 1) {
     skip_bits1 (bitbuf);       /* use packet checksum if (1) */
     skip_bits1 (bitbuf);       /* component checksums after image data if (1) */
 
@@ -625,13 +625,13 @@ static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) {
       return -1;
   }
 
-  if (get_bits (bitbuf, 1) == 1) {
+  if (get_bits1 (bitbuf) == 1) {
     skip_bits1 (bitbuf);
     skip_bits (bitbuf, 4);
     skip_bits1 (bitbuf);
     skip_bits (bitbuf, 2);
 
-    while (get_bits (bitbuf, 1) == 1) {
+    while (get_bits1 (bitbuf) == 1) {
       skip_bits (bitbuf, 8);
     }
   }
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 59974fa749..7023961516 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -465,9 +465,9 @@ static int svq3_decode_mb (H264Context *h, unsigned int mb_type) {
       mb_type = MB_TYPE_16x16;
     }
   } else if (mb_type < 8) {     /* INTER */
-    if (h->thirdpel_flag && h->halfpel_flag == !get_bits (&s->gb, 1)) {
+    if (h->thirdpel_flag && h->halfpel_flag == !get_bits1 (&s->gb)) {
       mode = THIRDPEL_MODE;
-    } else if (h->halfpel_flag && h->thirdpel_flag == !get_bits (&s->gb, 1)) {
+    } else if (h->halfpel_flag && h->thirdpel_flag == !get_bits1 (&s->gb)) {
       mode = HALFPEL_MODE;
     } else {
       mode = FULLPEL_MODE;
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 46a6b7c7b5..78a6cfe05b 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -149,11 +149,11 @@ static void decode_rowskip(uint8_t* plane, int width, int height, int stride, Ge
     int x, y;
 
     for (y=0; y<height; y++){
-        if (!get_bits(gb, 1)) //rowskip
+        if (!get_bits1(gb)) //rowskip
             memset(plane, 0, width);
         else
             for (x=0; x<width; x++)
-                plane[x] = get_bits(gb, 1);
+                plane[x] = get_bits1(gb);
         plane += stride;
     }
 }
@@ -169,12 +169,12 @@ static void decode_colskip(uint8_t* plane, int width, int height, int stride, Ge
     int x, y;
 
     for (x=0; x<width; x++){
-        if (!get_bits(gb, 1)) //colskip
+        if (!get_bits1(gb)) //colskip
             for (y=0; y<height; y++)
                 plane[y*stride] = 0;
         else
             for (y=0; y<height; y++)
-                plane[y*stride] = get_bits(gb, 1);
+                plane[y*stride] = get_bits1(gb);
         plane ++;
     }
 }
@@ -196,7 +196,7 @@ static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v)
     width = v->s.mb_width;
     height = v->s.mb_height;
     stride = v->s.mb_stride;
-    invert = get_bits(gb, 1);
+    invert = get_bits1(gb);
     imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1);
 
     *raw_flag = 0;
@@ -210,7 +210,7 @@ static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v)
     case IMODE_NORM2:
         if ((height * width) & 1)
         {
-            *planep++ = get_bits(gb, 1);
+            *planep++ = get_bits1(gb);
             offset = 1;
         }
         else offset = 0;
@@ -329,7 +329,7 @@ static int vop_dquant_decoding(VC1Context *v)
     }
     else
     {
-        v->dquantfrm = get_bits(gb, 1);
+        v->dquantfrm = get_bits1(gb);
         if ( v->dquantfrm )
         {
             v->dqprofile = get_bits(gb, 2);
@@ -340,7 +340,7 @@ static int vop_dquant_decoding(VC1Context *v)
                 v->dqsbedge = get_bits(gb, 2);
                 break;
             case DQPROFILE_ALL_MBS:
-                v->dqbilevel = get_bits(gb, 1);
+                v->dqbilevel = get_bits1(gb);
             default: break; //Forbidden ?
             }
             if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS)
@@ -797,22 +797,22 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
     v->frmrtq_postproc = get_bits(gb, 3); //common
     // (bitrate-32kbps)/64kbps
     v->bitrtq_postproc = get_bits(gb, 5); //common
-    v->s.loop_filter = get_bits(gb, 1); //common
+    v->s.loop_filter = get_bits1(gb); //common
     if(v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE)
     {
         av_log(avctx, AV_LOG_ERROR,
                "LOOPFILTER shell not be enabled in simple profile\n");
     }
 
-    v->res_x8 = get_bits(gb, 1); //reserved
+    v->res_x8 = get_bits1(gb); //reserved
     if (v->res_x8)
     {
         av_log(avctx, AV_LOG_ERROR,
                "1 for reserved RES_X8 is forbidden\n");
         //return -1;
     }
-    v->multires = get_bits(gb, 1);
-    v->res_fasttx = get_bits(gb, 1);
+    v->multires = get_bits1(gb);
+    v->res_fasttx = get_bits1(gb);
     if (!v->res_fasttx)
     {
         av_log(avctx, AV_LOG_ERROR,
@@ -820,14 +820,14 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
         //return -1;
     }
 
-    v->fastuvmc =  get_bits(gb, 1); //common
+    v->fastuvmc =  get_bits1(gb); //common
     if (!v->profile && !v->fastuvmc)
     {
         av_log(avctx, AV_LOG_ERROR,
                "FASTUVMC unavailable in Simple Profile\n");
         return -1;
     }
-    v->extended_mv =  get_bits(gb, 1); //common
+    v->extended_mv =  get_bits1(gb); //common
     if (!v->profile && v->extended_mv)
     {
         av_log(avctx, AV_LOG_ERROR,
@@ -835,9 +835,9 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
         return -1;
     }
     v->dquant =  get_bits(gb, 2); //common
-    v->vstransform =  get_bits(gb, 1); //common
+    v->vstransform =  get_bits1(gb); //common
 
-    v->res_transtab = get_bits(gb, 1);
+    v->res_transtab = get_bits1(gb);
     if (v->res_transtab)
     {
         av_log(avctx, AV_LOG_ERROR,
@@ -845,10 +845,10 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
         return -1;
     }
 
-    v->overlap = get_bits(gb, 1); //common
+    v->overlap = get_bits1(gb); //common
 
-    v->s.resync_marker = get_bits(gb, 1);
-    v->rangered = get_bits(gb, 1);
+    v->s.resync_marker = get_bits1(gb);
+    v->rangered = get_bits1(gb);
     if (v->rangered && v->profile == PROFILE_SIMPLE)
     {
         av_log(avctx, AV_LOG_INFO,
@@ -858,8 +858,8 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
     v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common
     v->quantizer_mode = get_bits(gb, 2); //common
 
-    v->finterpflag = get_bits(gb, 1); //common
-    v->res_rtm_flag = get_bits(gb, 1); //reserved
+    v->finterpflag = get_bits1(gb); //common
+    v->res_rtm_flag = get_bits1(gb); //reserved
     if (!v->res_rtm_flag)
     {
 //            av_log(avctx, AV_LOG_ERROR,
@@ -903,7 +903,7 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
     v->frmrtq_postproc = get_bits(gb, 3); //common
     // (bitrate-32kbps)/64kbps
     v->bitrtq_postproc = get_bits(gb, 5); //common
-    v->postprocflag = get_bits(gb, 1); //common
+    v->postprocflag = get_bits1(gb); //common
 
     v->s.avctx->coded_width = (get_bits(gb, 12) + 1) << 1;
     v->s.avctx->coded_height = (get_bits(gb, 12) + 1) << 1;
@@ -1038,14 +1038,14 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
 {
     int pqindex, lowquant, status;
 
-    if(v->finterpflag) v->interpfrm = get_bits(gb, 1);
+    if(v->finterpflag) v->interpfrm = get_bits1(gb);
     skip_bits(gb, 2); //framecnt unused
     v->rangeredfrm = 0;
-    if (v->rangered) v->rangeredfrm = get_bits(gb, 1);
-    v->s.pict_type = get_bits(gb, 1);
+    if (v->rangered) v->rangeredfrm = get_bits1(gb);
+    v->s.pict_type = get_bits1(gb);
     if (v->s.avctx->max_b_frames) {
         if (!v->s.pict_type) {
-            if (get_bits(gb, 1)) v->s.pict_type = I_TYPE;
+            if (get_bits1(gb)) v->s.pict_type = I_TYPE;
             else v->s.pict_type = B_TYPE;
         } else v->s.pict_type = P_TYPE;
     } else v->s.pict_type = v->s.pict_type ? P_TYPE : I_TYPE;
@@ -1080,10 +1080,10 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
     if (v->quantizer_mode == QUANT_NON_UNIFORM)
         v->pquantizer = 0;
     v->pqindex = pqindex;
-    if (pqindex < 9) v->halfpq = get_bits(gb, 1);
+    if (pqindex < 9) v->halfpq = get_bits1(gb);
     else v->halfpq = 0;
     if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
-        v->pquantizer = get_bits(gb, 1);
+        v->pquantizer = get_bits1(gb);
     v->dquantfrm = 0;
     if (v->extended_mv == 1) v->mvrange = get_unary(gb, 0, 3);
     v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
@@ -1092,7 +1092,7 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
     v->range_y = 1 << (v->k_y - 1);
     if (v->profile == PROFILE_ADVANCED)
     {
-        if (v->postprocflag) v->postproc = get_bits(gb, 1);
+        if (v->postprocflag) v->postproc = get_bits1(gb);
     }
     else
         if (v->multires && v->s.pict_type != B_TYPE) v->respic = get_bits(gb, 2);
@@ -1179,7 +1179,7 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
         v->ttfrm = 0; //FIXME Is that so ?
         if (v->vstransform)
         {
-            v->ttmbf = get_bits(gb, 1);
+            v->ttmbf = get_bits1(gb);
             if (v->ttmbf)
             {
                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
@@ -1220,7 +1220,7 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
         v->ttfrm = 0;
         if (v->vstransform)
         {
-            v->ttmbf = get_bits(gb, 1);
+            v->ttmbf = get_bits1(gb);
             if (v->ttmbf)
             {
                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
@@ -1239,7 +1239,7 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
         v->y_ac_table_index = decode012(gb);
     }
     /* DC Syntax */
-    v->s.dc_table_index = get_bits(gb, 1);
+    v->s.dc_table_index = get_bits1(gb);
 
     if(v->s.pict_type == BI_TYPE) {
         v->s.pict_type = B_TYPE;
@@ -1293,7 +1293,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
     v->rnd = get_bits1(gb);
     if(v->interlace)
         v->uvsamp = get_bits1(gb);
-    if(v->finterpflag) v->interpfrm = get_bits(gb, 1);
+    if(v->finterpflag) v->interpfrm = get_bits1(gb);
     if(v->s.pict_type == B_TYPE) {
         v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
         v->bfraction = ff_vc1_bfraction_lut[v->bfraction];
@@ -1314,10 +1314,10 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
     if (v->quantizer_mode == QUANT_NON_UNIFORM)
         v->pquantizer = 0;
     v->pqindex = pqindex;
-    if (pqindex < 9) v->halfpq = get_bits(gb, 1);
+    if (pqindex < 9) v->halfpq = get_bits1(gb);
     else v->halfpq = 0;
     if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
-        v->pquantizer = get_bits(gb, 1);
+        v->pquantizer = get_bits1(gb);
 
     if(v->s.pict_type == I_TYPE || v->s.pict_type == P_TYPE) v->use_ic = 0;
 
@@ -1420,7 +1420,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
         v->ttfrm = 0; //FIXME Is that so ?
         if (v->vstransform)
         {
-            v->ttmbf = get_bits(gb, 1);
+            v->ttmbf = get_bits1(gb);
             if (v->ttmbf)
             {
                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
@@ -1470,7 +1470,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
         v->ttfrm = 0;
         if (v->vstransform)
         {
-            v->ttmbf = get_bits(gb, 1);
+            v->ttmbf = get_bits1(gb);
             if (v->ttmbf)
             {
                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
@@ -1489,7 +1489,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
         v->y_ac_table_index = decode012(gb);
     }
     /* DC Syntax */
-    v->s.dc_table_index = get_bits(gb, 1);
+    v->s.dc_table_index = get_bits1(gb);
     if ((v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE) && v->dquant) {
         av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
         vop_dquant_decoding(v);
@@ -1522,7 +1522,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
     {                                                          \
       if (v->dqbilevel)                                        \
       {                                                        \
-        mquant = (get_bits(gb, 1)) ? v->altpq : v->pq;         \
+        mquant = (get_bits1(gb)) ? v->altpq : v->pq;           \
       }                                                        \
       else                                                     \
       {                                                        \
@@ -2273,7 +2273,7 @@ static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, int *value,
         run = vc1_index_decode_table[codingset][index][0];
         level = vc1_index_decode_table[codingset][index][1];
         lst = index >= vc1_last_decode_table[codingset];
-        if(get_bits(gb, 1))
+        if(get_bits1(gb))
             level = -level;
     } else {
         escape = decode210(gb);
@@ -2293,11 +2293,11 @@ static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, int *value,
                 else
                     run += vc1_delta_run_table[codingset][level] + 1;
             }
-            if(get_bits(gb, 1))
+            if(get_bits1(gb))
                 level = -level;
         } else {
             int sign;
-            lst = get_bits(gb, 1);
+            lst = get_bits1(gb);
             if(v->s.esc3_level_length == 0) {
                 if(v->pq < 8 || v->dquantfrm) { // table 59
                     v->s.esc3_level_length = get_bits(gb, 3);
@@ -2309,7 +2309,7 @@ static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, int *value,
                 v->s.esc3_run_length = 3 + get_bits(gb, 2);
             }
             run = get_bits(gb, v->s.esc3_run_length);
-            sign = get_bits(gb, 1);
+            sign = get_bits1(gb);
             level = get_bits(gb, v->s.esc3_level_length);
             if(sign)
                 level = -level;
@@ -2361,9 +2361,9 @@ static int vc1_decode_i_block(VC1Context *v, DCTELEM block[64], int n, int coded
             if (v->pq == 1)
                 dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
             else if (v->pq == 2)
-                dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
+                dcdiff = (dcdiff<<1) + get_bits1(gb)   - 1;
         }
-        if (get_bits(gb, 1))
+        if (get_bits1(gb))
             dcdiff = -dcdiff;
     }
 
@@ -2531,9 +2531,9 @@ static int vc1_decode_i_block_adv(VC1Context *v, DCTELEM block[64], int n, int c
             if (mquant == 1)
                 dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
             else if (mquant == 2)
-                dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
+                dcdiff = (dcdiff<<1) + get_bits1(gb)   - 1;
         }
-        if (get_bits(gb, 1))
+        if (get_bits1(gb))
             dcdiff = -dcdiff;
     }
 
@@ -2735,9 +2735,9 @@ static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int c
             if (mquant == 1)
                 dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
             else if (mquant == 2)
-                dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
+                dcdiff = (dcdiff<<1) + get_bits1(gb)   - 1;
         }
-        if (get_bits(gb, 1))
+        if (get_bits1(gb))
             dcdiff = -dcdiff;
     }
 
@@ -3054,12 +3054,12 @@ static int vc1_decode_p_mb(VC1Context *v)
             if (s->mb_intra && !mb_has_coeffs)
             {
                 GET_MQUANT();
-                s->ac_pred = get_bits(gb, 1);
+                s->ac_pred = get_bits1(gb);
                 cbp = 0;
             }
             else if (mb_has_coeffs)
             {
-                if (s->mb_intra) s->ac_pred = get_bits(gb, 1);
+                if (s->mb_intra) s->ac_pred = get_bits1(gb);
                 cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
                 GET_MQUANT();
             }
@@ -3176,7 +3176,7 @@ static int vc1_decode_p_mb(VC1Context *v)
                             break;
                         }
                     }
-                if(intrapred)s->ac_pred = get_bits(gb, 1);
+                if(intrapred)s->ac_pred = get_bits1(gb);
                 else s->ac_pred = 0;
             }
             if (!v->ttmbf && coded_inter)
@@ -3449,7 +3449,7 @@ static void vc1_decode_i_blocks(VC1Context *v)
 
             // do actual MB decoding and displaying
             cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
-            v->s.ac_pred = get_bits(&v->s.gb, 1);
+            v->s.ac_pred = get_bits1(&v->s.gb);
 
             for(k = 0; k < 6; k++) {
                 val = ((cbp >> (5 - k)) & 1);
@@ -3561,13 +3561,13 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
             // do actual MB decoding and displaying
             cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
             if(v->acpred_is_raw)
-                v->s.ac_pred = get_bits(&v->s.gb, 1);
+                v->s.ac_pred = get_bits1(&v->s.gb);
             else
                 v->s.ac_pred = v->acpred_plane[mb_pos];
 
             if(v->condover == CONDOVER_SELECT) {
                 if(v->overflg_is_raw)
-                    overlap = get_bits(&v->s.gb, 1);
+                    overlap = get_bits1(&v->s.gb);
                 else
                     overlap = v->over_flags_plane[mb_pos];
             } else
diff --git a/libavcodec/vorbis_dec.c b/libavcodec/vorbis_dec.c
index 32619655c7..6bc69b1718 100644
--- a/libavcodec/vorbis_dec.c
+++ b/libavcodec/vorbis_dec.c
@@ -791,7 +791,7 @@ static int vorbis_parse_setup_hdr_modes(vorbis_context *vc) {
     for(i=0;i<vc->mode_count;++i) {
         vorbis_mode *mode_setup=&vc->modes[i];
 
-        mode_setup->blockflag=get_bits(gb, 1);
+        mode_setup->blockflag=get_bits1(gb);
         mode_setup->windowtype=get_bits(gb, 16); //FIXME check
         mode_setup->transformtype=get_bits(gb, 16); //FIXME check
         mode_setup->mapping=get_bits(gb, 8); //FIXME check
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 14b5cddc73..1bc4c39aed 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -686,7 +686,7 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb)
     } else {
 
         /* unpack the list of partially-coded superblocks */
-        bit = get_bits(gb, 1);
+        bit = get_bits1(gb);
         /* toggle the bit because as soon as the first run length is
          * fetched the bit will be toggled again */
         bit ^= 1;
@@ -722,7 +722,7 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb)
 
             current_superblock = 0;
             current_run = 0;
-            bit = get_bits(gb, 1);
+            bit = get_bits1(gb);
             /* toggle the bit because as soon as the first run length is
              * fetched the bit will be toggled again */
             bit ^= 1;
@@ -753,7 +753,7 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb)
         if (decode_partial_blocks) {
 
             current_run = 0;
-            bit = get_bits(gb, 1);
+            bit = get_bits1(gb);
             /* toggle the bit because as soon as the first run length is
              * fetched the bit will be toggled again */
             bit ^= 1;
@@ -979,7 +979,7 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb)
         memset(motion_y, 0, 6 * sizeof(int));
 
         /* coding mode 0 is the VLC scheme; 1 is the fixed code scheme */
-        coding_mode = get_bits(gb, 1);
+        coding_mode = get_bits1(gb);
         debug_vectors("    using %s scheme for unpacking motion vectors\n",
             (coding_mode == 0) ? "VLC" : "fixed-length");
 
@@ -2337,7 +2337,7 @@ static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
 {
     Vp3DecodeContext *s = avctx->priv_data;
 
-    if (get_bits(gb, 1)) {
+    if (get_bits1(gb)) {
         int token;
         if (s->entries >= 32) { /* overflow */
             av_log(avctx, AV_LOG_ERROR, "huffman tree overflow\n");
@@ -2488,10 +2488,10 @@ static int theora_decode_tables(AVCodecContext *avctx, GetBitContext *gb)
         for (plane = 0; plane <= 2; plane++) {
             int newqr= 1;
             if (inter || plane > 0)
-                newqr = get_bits(gb, 1);
+                newqr = get_bits1(gb);
             if (!newqr) {
                 int qtj, plj;
-                if(inter && get_bits(gb, 1)){
+                if(inter && get_bits1(gb)){
                     qtj = 0;
                     plj = plane;
                 }else{
@@ -2532,7 +2532,7 @@ static int theora_decode_tables(AVCodecContext *avctx, GetBitContext *gb)
     for (s->hti = 0; s->hti < 80; s->hti++) {
         s->entries = 0;
         s->huff_code_size = 1;
-        if (!get_bits(gb, 1)) {
+        if (!get_bits1(gb)) {
             s->hbits = 0;
             read_huffman_tree(avctx, gb);
             s->hbits = 1;
diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index 4724d51ac3..455659a615 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -393,11 +393,11 @@ static int wma_decode_block(WMACodecContext *s)
         return -1;
 
     if (s->nb_channels == 2) {
-        s->ms_stereo = get_bits(&s->gb, 1);
+        s->ms_stereo = get_bits1(&s->gb);
     }
     v = 0;
     for(ch = 0; ch < s->nb_channels; ch++) {
-        a = get_bits(&s->gb, 1);
+        a = get_bits1(&s->gb);
         s->channel_coded[ch] = a;
         v |= a;
     }
@@ -433,7 +433,7 @@ static int wma_decode_block(WMACodecContext *s)
                 int i, n, a;
                 n = s->exponent_high_sizes[bsize];
                 for(i=0;i<n;i++) {
-                    a = get_bits(&s->gb, 1);
+                    a = get_bits1(&s->gb);
                     s->high_band_coded[ch][i] = a;
                     /* if noise coding, the coefficients are not transmitted */
                     if (a)
@@ -466,7 +466,7 @@ static int wma_decode_block(WMACodecContext *s)
 
     /* exponents can be reused in short blocks. */
     if ((s->block_len_bits == s->frame_len_bits) ||
-        get_bits(&s->gb, 1)) {
+        get_bits1(&s->gb)) {
         for(ch = 0; ch < s->nb_channels; ch++) {
             if (s->channel_coded[ch]) {
                 if (s->use_exp_vlc) {
@@ -516,7 +516,7 @@ static int wma_decode_block(WMACodecContext *s)
                     run = run_table[code];
                     level = level_table[code];
                 }
-                sign = get_bits(&s->gb, 1);
+                sign = get_bits1(&s->gb);
                 if (!sign)
                     level = -level;
                 ptr += run;
diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c
index 2eab7421f8..8680d36739 100644
--- a/libavcodec/wmv2.c
+++ b/libavcodec/wmv2.c
@@ -363,7 +363,7 @@ return -1;
     if(s->picture_number==0)
         decode_ext_header(w);
 
-    s->pict_type = get_bits(&s->gb, 1) + 1;
+    s->pict_type = get_bits1(&s->gb) + 1;
     if(s->pict_type == I_TYPE){
         code = get_bits(&s->gb, 7);
         av_log(s->avctx, AV_LOG_DEBUG, "I7:%X/\n", code);