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Code Issues Releases Activity

lavc: deprecate AVCodecContext.ticks_per_frame

Browse Source 
For encoding, this field is entirely redundant with
AVCodecContext.framerate.

For decoding, this field is entirely redundant with
AV_CODEC_PROP_FIELDS.
This commit is contained in:
Anton Khirnov 2023-05-04 11:50:48 +02:00
parent 2953ebe7b6
commit 7d1d61cc5f
30 changed files with 176 additions and 26 deletions
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5
doc/APIchanges
View File

@ -2,6 +2,11 @@ The last version increases of all libraries were on 2023-02-09
API changes, most recent first:
2023-05-xx - xxxxxxxxxx - lavc 60 - avcodec.h
Depreate AVCodecContext.ticks_per_frame in favor of
AVCodecContext.framerate (encoding) and
AV_CODEC_PROP_FIELDS (decoding).
2023-05-xx - xxxxxxxxxx - lavc 60.12.100 - codec_desc.h
Add AV_CODEC_PROP_FIELDS.

1
doc/codecs.texi
View File

@ -775,7 +775,6 @@ Possible values:
@end table
@item rc_max_vbv_use @var{float} (@emph{encoding,video})
@item rc_min_vbv_use @var{float} (@emph{encoding,video})
@item ticks_per_frame @var{integer} (@emph{decoding/encoding,audio,video})
@item color_primaries @var{integer} (@emph{decoding/encoding,video})
Possible values:

8
libavcodec/amfenc_av1.c
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@ -117,7 +117,13 @@ static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
}
else {
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
FF_DISABLE_DEPRECATION_WARNINGS
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
);
FF_ENABLE_DEPRECATION_WARNINGS
}
if ((ret = ff_amf_encode_init(avctx)) < 0)

8
libavcodec/amfenc_h264.c
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@ -142,7 +142,13 @@ static av_cold int amf_encode_init_h264(AVCodecContext *avctx)
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
} else {
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
FF_DISABLE_DEPRECATION_WARNINGS
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
);
FF_ENABLE_DEPRECATION_WARNINGS
}
if ((ret = ff_amf_encode_init(avctx)) != 0)

8
libavcodec/amfenc_hevc.c
View File

@ -109,7 +109,13 @@ static av_cold int amf_encode_init_hevc(AVCodecContext *avctx)
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
} else {
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
FF_DISABLE_DEPRECATION_WARNINGS
framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
);
FF_ENABLE_DEPRECATION_WARNINGS
}
if ((ret = ff_amf_encode_init(avctx)) < 0)

8
libavcodec/avcodec.h
View File

@ -556,14 +556,22 @@ typedef struct AVCodecContext {
*/
AVRational time_base;
#if FF_API_TICKS_PER_FRAME
/**
* For some codecs, the time base is closer to the field rate than the frame rate.
* Most notably, H.264 and MPEG-2 specify time_base as half of frame duration
* if no telecine is used ...
*
* Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
*
* @deprecated
* - decoding: Use AVCodecDescriptor.props & AV_CODEC_PROP_FIELDS
* - encoding: Set AVCodecContext.framerate instead
*
*/
attribute_deprecated
int ticks_per_frame;
#endif
/**
* Codec delay.

4
libavcodec/encode.c
View File

@ -582,6 +582,8 @@ static int encode_preinit_video(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->ticks_per_frame && avctx->time_base.num &&
avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
av_log(avctx, AV_LOG_ERROR,
@ -591,6 +593,8 @@ static int encode_preinit_video(AVCodecContext *avctx)
avctx->time_base.den);
return AVERROR(EINVAL);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (avctx->hw_frames_ctx) {
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;

2
libavcodec/h264_slice.c
View File

@ -957,7 +957,7 @@ static int h264_slice_header_init(H264Context *h)
if (h->x264_build < 44U)
den *= 2;
av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
sps->num_units_in_tick * 2, den, 1 << 30);
}
ff_h264_free_tables(h);

4
libavcodec/h264dec.c
View File

@ -382,7 +382,11 @@ static av_cold int h264_decode_init(AVCodecContext *avctx)
return AVERROR_UNKNOWN;
}
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->ticks_per_frame = 2;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!avctx->internal->is_copy) {
if (avctx->extradata_size > 0 && avctx->extradata) {

8
libavcodec/libaomenc.c
View File

@ -1300,7 +1300,13 @@ static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
else if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
duration = av_rescale_q(1, av_inv_q(avctx->framerate), avctx->time_base);
else
duration = avctx->ticks_per_frame ? avctx->ticks_per_frame : 1;
FF_DISABLE_DEPRECATION_WARNINGS
duration =
#if FF_API_TICKS_PER_FRAME
avctx->ticks_per_frame ? avctx->ticks_per_frame :
#endif
1;
FF_ENABLE_DEPRECATION_WARNINGS
switch (frame->color_range) {
case AVCOL_RANGE_MPEG:

8
libavcodec/libkvazaar.c
View File

@ -86,7 +86,13 @@ static av_cold int libkvazaar_init(AVCodecContext *avctx)
cfg->framerate_denom = avctx->framerate.den;
} else {
cfg->framerate_num = avctx->time_base.den;
cfg->framerate_denom = avctx->time_base.num * avctx->ticks_per_frame;
FF_DISABLE_DEPRECATION_WARNINGS
cfg->framerate_denom = avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
cfg->target_bitrate = avctx->bit_rate;
cfg->vui.sar_width = avctx->sample_aspect_ratio.num;

8
libavcodec/libopenh264enc.c
View File

@ -139,7 +139,13 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
param.fMaxFrameRate = av_q2d(avctx->framerate);
} else {
param.fMaxFrameRate = 1.0 / av_q2d(avctx->time_base) / FFMAX(avctx->ticks_per_frame, 1);
FF_DISABLE_DEPRECATION_WARNINGS
param.fMaxFrameRate = 1.0 / av_q2d(avctx->time_base)
#if FF_API_TICKS_PER_FRAME
/ FFMAX(avctx->ticks_per_frame, 1)
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
param.iPicWidth = avctx->width;
param.iPicHeight = avctx->height;

9
libavcodec/librav1e.c
View File

@ -219,10 +219,15 @@ static av_cold int librav1e_encode_init(AVCodecContext *avctx)
avctx->framerate.den, avctx->framerate.num
});
} else {
FF_DISABLE_DEPRECATION_WARNINGS
rav1e_config_set_time_base(cfg, (RaRational) {
avctx->time_base.num * avctx->ticks_per_frame,
avctx->time_base.den
avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
, avctx->time_base.den
});
FF_ENABLE_DEPRECATION_WARNINGS
}
if ((avctx->flags & AV_CODEC_FLAG_PASS1 || avctx->flags & AV_CODEC_FLAG_PASS2) && !avctx->bit_rate) {

8
libavcodec/libsvtav1.c
View File

@ -250,7 +250,13 @@ static int config_enc_params(EbSvtAv1EncConfiguration *param,
param->frame_rate_denominator = avctx->framerate.den;
} else {
param->frame_rate_numerator = avctx->time_base.den;
param->frame_rate_denominator = avctx->time_base.num * avctx->ticks_per_frame;
FF_DISABLE_DEPRECATION_WARNINGS
param->frame_rate_denominator = avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
/* 2 = IDR, closed GOP, 1 = CRA, open GOP */

8
libavcodec/libvpxenc.c
View File

@ -1829,7 +1829,13 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt,
else if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
duration = av_rescale_q(1, av_inv_q(avctx->framerate), avctx->time_base);
else
duration = avctx->ticks_per_frame ? avctx->ticks_per_frame : 1;
FF_DISABLE_DEPRECATION_WARNINGS
duration =
#if FF_API_TICKS_PER_FRAME
avctx->ticks_per_frame ? avctx->ticks_per_frame :
#endif
1;
FF_ENABLE_DEPRECATION_WARNINGS
res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
duration, flags, ctx->deadline);

8
libavcodec/libx264.c
View File

@ -1018,7 +1018,13 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.i_fps_den = avctx->framerate.den;
} else {
x4->params.i_fps_num = avctx->time_base.den;
x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
FF_DISABLE_DEPRECATION_WARNINGS
x4->params.i_fps_den = avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;

8
libavcodec/libx265.c
View File

@ -220,7 +220,13 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
ctx->params->fpsDenom = avctx->framerate.den;
} else {
ctx->params->fpsNum = avctx->time_base.den;
ctx->params->fpsDenom = avctx->time_base.num * avctx->ticks_per_frame;
FF_DISABLE_DEPRECATION_WARNINGS
ctx->params->fpsDenom = avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
ctx->params->sourceWidth = avctx->width;
ctx->params->sourceHeight = avctx->height;

4
libavcodec/mfenc.c
View File

@ -659,7 +659,11 @@ static int mf_encv_output_adjust(AVCodecContext *avctx, IMFMediaType *type)
framerate = avctx->framerate;
} else {
framerate = av_inv_q(avctx->time_base);
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
framerate.den *= avctx->ticks_per_frame;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
ff_MFSetAttributeRatio((IMFAttributes *)type, &MF_MT_FRAME_RATE, framerate.num, framerate.den);

8
libavcodec/mpeg12dec.c
View File

@ -1265,7 +1265,11 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
// MPEG-1 fps
avctx->framerate = ff_mpeg12_frame_rate_tab[s1->frame_rate_index];
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->ticks_per_frame = 1;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
} else { // MPEG-2
@ -1275,7 +1279,11 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
ff_mpeg12_frame_rate_tab[s1->frame_rate_index].num * s1->frame_rate_ext.num,
ff_mpeg12_frame_rate_tab[s1->frame_rate_index].den * s1->frame_rate_ext.den,
1 << 30);
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->ticks_per_frame = 2;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
switch (s->chroma_format) {
case 1: avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; break;

8
libavcodec/mpegvideo_parser.c
View File

@ -145,7 +145,11 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
pc->frame_rate = avctx->framerate = ff_mpeg12_frame_rate_tab[frame_rate_index];
bit_rate = (buf[4]<<10) | (buf[5]<<2) | (buf[6]>>6);
avctx->codec_id = AV_CODEC_ID_MPEG1VIDEO;
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->ticks_per_frame = 1;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
break;
case EXT_START_CODE:
@ -177,7 +181,11 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
avctx->framerate.num = pc->frame_rate.num * (frame_rate_ext_n + 1);
avctx->framerate.den = pc->frame_rate.den * (frame_rate_ext_d + 1);
avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->ticks_per_frame = 2;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
break;
case 0x8: /* picture coding extension */

8
libavcodec/msmpeg4enc.c
View File

@ -285,7 +285,13 @@ void ff_msmpeg4_encode_ext_header(MpegEncContext * s)
if (s->avctx->framerate.num > 0 && s->avctx->framerate.den > 0)
fps = s->avctx->framerate.num / s->avctx->framerate.den;
else
fps = s->avctx->time_base.den / s->avctx->time_base.num / FFMAX(s->avctx->ticks_per_frame, 1);
FF_DISABLE_DEPRECATION_WARNINGS
fps = s->avctx->time_base.den / s->avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
/ FFMAX(s->avctx->ticks_per_frame, 1)
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
put_bits(&s->pb, 5, FFMIN(fps, 31)); //yes 29.97 -> 29

16
libavcodec/nvenc.c
View File

@ -1571,7 +1571,13 @@ static av_cold int nvenc_setup_encoder(AVCodecContext *avctx)
ctx->init_encode_params.frameRateDen = avctx->framerate.den;
} else {
ctx->init_encode_params.frameRateNum = avctx->time_base.den;
ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
FF_DISABLE_DEPRECATION_WARNINGS
ctx->init_encode_params.frameRateDen = avctx->time_base.num
#if FF_API_TICKS_PER_FRAME
* avctx->ticks_per_frame
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
ctx->init_encode_params.enableEncodeAsync = 0;
@ -2266,8 +2272,14 @@ static int nvenc_set_timestamp(AVCodecContext *avctx,
dts = reorder_queue_dequeue(ctx->reorder_queue, avctx, pkt);
if (avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER) {
FF_DISABLE_DEPRECATION_WARNINGS
pkt->dts = dts -
FFMAX(ctx->encode_config.frameIntervalP - 1, 0) * FFMAX(avctx->ticks_per_frame, 1) * FFMAX(avctx->time_base.num, 1);
FFMAX(ctx->encode_config.frameIntervalP - 1, 0)
#if FF_API_TICKS_PER_FRAME
* FFMAX(avctx->ticks_per_frame, 1)
#endif
* FFMAX(avctx->time_base.num, 1);
FF_ENABLE_DEPRECATION_WARNINGS
} else {
pkt->dts = pkt->pts;
}

2
libavcodec/options_table.h
View File

@ -276,7 +276,9 @@ static const AVOption avcodec_options[] = {
#endif
{"rc_max_vbv_use", NULL, OFFSET(rc_max_available_vbv_use), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0.0, FLT_MAX, V|E},
{"rc_min_vbv_use", NULL, OFFSET(rc_min_vbv_overflow_use), AV_OPT_TYPE_FLOAT, {.dbl = 3 }, 0.0, FLT_MAX, V|E},
#if FF_API_TICKS_PER_FRAME
{"ticks_per_frame", NULL, OFFSET(ticks_per_frame), AV_OPT_TYPE_INT, {.i64 = 1 }, 1, INT_MAX, A|V|E|D},
#endif
{"color_primaries", "color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64 = AVCOL_PRI_UNSPECIFIED }, 1, INT_MAX, V|E|D, "color_primaries_type"},
{"bt709", "BT.709", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_BT709 }, INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
{"unknown", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},

4
libavcodec/pthread_frame.c
View File

@ -286,7 +286,11 @@ static int update_context_from_thread(AVCodecContext *dst, AVCodecContext *src,
dst->level = src->level;
dst->bits_per_raw_sample = src->bits_per_raw_sample;
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
dst->ticks_per_frame = src->ticks_per_frame;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
dst->color_primaries = src->color_primaries;
dst->color_trc = src->color_trc;

8
libavcodec/ratecontrol.c
View File

@ -60,7 +60,13 @@ static double get_fps(AVCodecContext *avctx)
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
return av_q2d(avctx->framerate);
return 1.0 / av_q2d(avctx->time_base) / FFMAX(avctx->ticks_per_frame, 1);
FF_DISABLE_DEPRECATION_WARNINGS
return 1.0 / av_q2d(avctx->time_base)
#if FF_API_TICKS_PER_FRAME
/ FFMAX(avctx->ticks_per_frame, 1)
#endif
;
FF_ENABLE_DEPRECATION_WARNINGS
}
static inline double qp2bits(RateControlEntry *rce, double qp)

11
libavcodec/vc1.c
View File

@ -418,6 +418,14 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace,
v->tfcntrflag, v->finterpflag);
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
if (v->broadcast) { // Pulldown may be present
v->s.avctx->ticks_per_frame = 2;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
v->psf = get_bits1(gb);
if (v->psf) { //PsF, 6.1.13
av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n");
@ -467,9 +475,6 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
v->s.avctx->framerate.num = ff_vc1_fps_nr[nr - 1] * 1000;
}
}
if (v->broadcast) { // Pulldown may be present
v->s.avctx->ticks_per_frame = 2;
}
}
if (get_bits1(gb)) {

3
libavcodec/vc1_parser.c
View File

@ -89,11 +89,10 @@ static void vc1_extract_header(AVCodecParserContext *s, AVCodecContext *avctx,
else
s->pict_type = vpc->v.s.pict_type;
if (avctx->ticks_per_frame > 1){
if (vpc->v.broadcast){
// process pulldown flags
s->repeat_pict = 1;
// Pulldown flags are only valid when 'broadcast' has been set.
// So ticks_per_frame will be 2
if (vpc->v.rff){
// repeat field
s->repeat_pict = 2;

1
libavcodec/vc1dec.c
View File

@ -1087,7 +1087,6 @@ static int vc1_decode_frame(AVCodecContext *avctx, AVFrame *pict,
// process pulldown flags
s->current_picture_ptr->f->repeat_pict = 0;
// Pulldown flags are only valid when 'broadcast' has been set.
// So ticks_per_frame will be 2
if (v->rff) {
// repeat field
s->current_picture_ptr->f->repeat_pict = 1;

1
libavcodec/version_major.h
View File

@ -47,6 +47,7 @@
#define FF_API_AVCTX_FRAME_NUMBER (LIBAVCODEC_VERSION_MAJOR < 61)
#define FF_API_SLICE_OFFSET (LIBAVCODEC_VERSION_MAJOR < 61)
#define FF_API_SUBFRAMES (LIBAVCODEC_VERSION_MAJOR < 61)
#define FF_API_TICKS_PER_FRAME (LIBAVCODEC_VERSION_MAJOR < 61)
// reminder to remove CrystalHD decoders on next major bump
#define FF_CODEC_CRYSTAL_HD (LIBAVCODEC_VERSION_MAJOR < 61)

15
libavformat/avformat.c
View File

@ -710,7 +710,6 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
AVRational dec_ctx_tb = dec_ctx->framerate.num ? av_inv_q(av_mul_q(dec_ctx->framerate, mul))
: (ist->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ? (AVRational){0, 1}
: ist->time_base);
enc_ctx->time_base = ist->time_base;
/*
* Avi is a special case here because it supports variable fps but
@ -727,7 +726,11 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
|| copy_tb == AVFMT_TBCF_R_FRAMERATE) {
enc_ctx->time_base.num = ist->r_frame_rate.den;
enc_ctx->time_base.den = 2*ist->r_frame_rate.num;
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
enc_ctx->ticks_per_frame = 2;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
} else
#endif
if (copy_tb == AVFMT_TBCF_AUTO && dec_ctx->framerate.num &&
@ -736,9 +739,13 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
|| (copy_tb == AVFMT_TBCF_DECODER &&
(dec_ctx->framerate.num || ist->codecpar->codec_type == AVMEDIA_TYPE_AUDIO))) {
enc_ctx->time_base = dec_ctx_tb;
enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
enc_ctx->time_base.den *= 2;
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
enc_ctx->ticks_per_frame = 2;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
} else if (!(ofmt->flags & AVFMT_VARIABLE_FPS)
&& !av_match_name(ofmt->name, "mov,mp4,3gp,3g2,psp,ipod,ismv,f4v")) {
@ -748,7 +755,11 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
|| (copy_tb == AVFMT_TBCF_DECODER &&
(dec_ctx->framerate.num || ist->codecpar->codec_type == AVMEDIA_TYPE_AUDIO))) {
enc_ctx->time_base = dec_ctx_tb;
#if FF_API_TICKS_PER_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
}