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avcodec: remove FF_API_AVCTX_TIMEBASE

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-01-04 13:13:19 -03:00 committed by Anton Khirnov
parent 10c9a0874c
commit 5f9e848e68
17 changed files with 55 additions and 81 deletions
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3
libavcodec/av1_parser.c
View File

@ -168,9 +168,6 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
timing->num_units_in_display_tick, timing->time_scale, INT_MAX);
}
if (avctx->framerate.num)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
end:
ff_cbs_fragment_reset(td);

5
libavcodec/avcodec.c
View File

@ -349,11 +349,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
ret = AVERROR(EINVAL);
goto free_and_end;
}
#if FF_API_AVCTX_TIMEBASE
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
#endif
}
if (codec->priv_class)
av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class);

3
libavcodec/avcodec.h
View File

@ -552,8 +552,7 @@ typedef struct AVCodecContext {
* (fixed_vop_rate == 0 implies that it is different from the framerate)
*
* - encoding: MUST be set by user.
* - decoding: the use of this field for decoding is deprecated.
* Use framerate instead.
* - decoding: unused.
*/
AVRational time_base;

4
libavcodec/avs2_parser.c
View File

@ -112,9 +112,9 @@ static void parse_avs2_seq_header(AVCodecParserContext *s, const uint8_t *buf,
s->height = height;
s->coded_width = FFALIGN(width, 8);
s->coded_height = FFALIGN(height, 8);
avctx->framerate.num = avctx->time_base.den =
avctx->framerate.num =
ff_avs2_frame_rate_tab[frame_rate_code].num;
avctx->framerate.den = avctx->time_base.num =
avctx->framerate.den =
ff_avs2_frame_rate_tab[frame_rate_code].den;
avctx->has_b_frames = FFMAX(avctx->has_b_frames, !low_delay);

4
libavcodec/avs3_parser.c
View File

@ -117,8 +117,8 @@ static void parse_avs3_nal_units(AVCodecParserContext *s, const uint8_t *buf,
low_delay = get_bits(&gb, 1);
avctx->has_b_frames = FFMAX(avctx->has_b_frames, !low_delay);
avctx->framerate.num = avctx->time_base.den = ff_avs3_frame_rate_tab[ratecode].num;
avctx->framerate.den = avctx->time_base.num = ff_avs3_frame_rate_tab[ratecode].den;
avctx->framerate.num = ff_avs3_frame_rate_tab[ratecode].num;
avctx->framerate.den = ff_avs3_frame_rate_tab[ratecode].den;
s->width = s->coded_width = avctx->width;
s->height = s->coded_height = avctx->height;

8
libavcodec/cpia.c
View File

@ -198,14 +198,6 @@ static av_cold int cpia_decode_init(AVCodecContext *avctx)
// output pixel format
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
/* The default timebase set by the v4l2 demuxer leads to probing which is buggy.
* Set some reasonable time_base to skip this.
*/
if (avctx->time_base.num == 1 && avctx->time_base.den == 1000000) {
avctx->time_base.num = 1;
avctx->time_base.den = 60;
}
s->frame = av_frame_alloc();
if (!s->frame)
return AVERROR(ENOMEM);

5
libavcodec/decode.c
View File

@ -434,11 +434,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
#endif
ret = pkt->size;
#if FF_API_AVCTX_TIMEBASE
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
#endif
/* do not stop draining when actual_got_frame != 0 or ret < 0 */
/* got_frame == 0 but actual_got_frame != 0 when frame is discarded */
if (avci->draining && !actual_got_frame) {

7
libavcodec/h264_parser.c
View File

@ -593,6 +593,7 @@ static int h264_parse(AVCodecParserContext *s,
{
H264ParseContext *p = s->priv_data;
ParseContext *pc = &p->pc;
AVRational time_base = { 0, 1 };
int next;
if (!p->got_first) {
@ -624,7 +625,7 @@ static int h264_parse(AVCodecParserContext *s,
parse_nal_units(s, avctx, buf, buf_size);
if (avctx->framerate.num)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
if (p->sei.picture_timing.cpb_removal_delay >= 0) {
s->dts_sync_point = p->sei.buffering_period.present;
s->dts_ref_dts_delta = p->sei.picture_timing.cpb_removal_delay;
@ -640,9 +641,9 @@ static int h264_parse(AVCodecParserContext *s,
}
if (s->dts_sync_point >= 0) {
int64_t den = avctx->time_base.den * (int64_t)avctx->pkt_timebase.num;
int64_t den = time_base.den * (int64_t)avctx->pkt_timebase.num;
if (den > 0) {
int64_t num = avctx->time_base.num * (int64_t)avctx->pkt_timebase.den;
int64_t num = time_base.num * (int64_t)avctx->pkt_timebase.den;
if (s->dts != AV_NOPTS_VALUE) {
// got DTS from the stream, update reference timestamp
p->reference_dts = s->dts - av_rescale(s->dts_ref_dts_delta, num, den);

6
libavcodec/h264dec.c
View File

@ -382,12 +382,6 @@ static av_cold int h264_decode_init(AVCodecContext *avctx)
return AVERROR_UNKNOWN;
}
if (avctx->ticks_per_frame == 1) {
if(h->avctx->time_base.den < INT_MAX/2) {
h->avctx->time_base.den *= 2;
} else
h->avctx->time_base.num /= 2;
}
avctx->ticks_per_frame = 2;
if (!avctx->internal->is_copy) {

2
libavcodec/mjpegdec.c
View File

@ -436,7 +436,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
/* test interlaced mode */
if (s->first_picture &&
(s->multiscope != 2 || s->avctx->time_base.den >= 25 * s->avctx->time_base.num) &&
(s->multiscope != 2 || s->avctx->pkt_timebase.den >= 25 * s->avctx->pkt_timebase.num) &&
s->orig_height != 0 &&
s->height < ((s->orig_height * 3) / 4)) {
s->interlaced = 1;

4
libavcodec/mpeg4video_parser.c
View File

@ -114,11 +114,11 @@ static int mpeg4_decode_header(AVCodecParserContext *s1, AVCodecContext *avctx,
if (ret < 0)
return ret;
}
if((s1->flags & PARSER_FLAG_USE_CODEC_TS) && s->avctx->time_base.den>0 && ret>=0){
if((s1->flags & PARSER_FLAG_USE_CODEC_TS) && s->avctx->framerate.num>0 && ret>=0){
av_assert1(s1->pts == AV_NOPTS_VALUE);
av_assert1(s1->dts == AV_NOPTS_VALUE);
s1->pts = av_rescale_q(s->time, (AVRational){1, s->avctx->time_base.den}, (AVRational){1, 1200000});
s1->pts = av_rescale_q(s->time, (AVRational){1, s->avctx->framerate.num}, (AVRational){1, 1200000});
}
s1->pict_type = s->pict_type;

3
libavcodec/mpeg4videodec.c
View File

@ -2648,8 +2648,6 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
else
s->avctx->framerate.den = 1;
s->avctx->time_base = av_inv_q(av_mul_q(s->avctx->framerate, (AVRational){s->avctx->ticks_per_frame, 1}));
ctx->t_frame = 0;
if (ctx->shape != BIN_ONLY_SHAPE) {
@ -3145,7 +3143,6 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb,
"time_increment_bits set to %d bits, based on bitstream analysis\n", ctx->time_increment_bits);
if (s->avctx->framerate.num && 4*s->avctx->framerate.num < 1<<ctx->time_increment_bits) {
s->avctx->framerate.num = 1<<ctx->time_increment_bits;
s->avctx->time_base = av_inv_q(av_mul_q(s->avctx->framerate, (AVRational){s->avctx->ticks_per_frame, 1}));
}
}

5
libavcodec/mpegvideo_parser.c
View File

@ -241,11 +241,6 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
s->coded_width = FFALIGN(pc->width, 16);
s->coded_height = FFALIGN(pc->height, 16);
}
#if FF_API_AVCTX_TIMEBASE
if (avctx->framerate.num)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
#endif
}
static int mpegvideo_parse(AVCodecParserContext *s,

2
libavcodec/vc1_parser.c
View File

@ -112,8 +112,6 @@ static void vc1_extract_header(AVCodecParserContext *s, AVCodecContext *avctx,
break;
}
if (avctx->framerate.num)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
s->format = vpc->v.chromaformat == 1 ? AV_PIX_FMT_YUV420P
: AV_PIX_FMT_NONE;
if (avctx->width && avctx->height) {

1
libavcodec/version_major.h
View File

@ -38,7 +38,6 @@
*/
#define FF_API_INIT_PACKET (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_AVCTX_TIMEBASE (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_FLAG_TRUNCATED (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_SUB_TEXT_FORMAT (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_IDCT_NONE (LIBAVCODEC_VERSION_MAJOR < 60)

33
libavformat/avformat.c
View File

@ -703,6 +703,10 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
{
const AVCodecContext *const dec_ctx = cffstream(ist)->avctx;
AVCodecContext *const enc_ctx = ffstream(ost)->avctx;
AVRational dec_ctx_tb = dec_ctx->framerate.num ? av_inv_q(av_mul_q(dec_ctx->framerate,
(AVRational){dec_ctx->ticks_per_frame, 1}))
: (ist->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ? (AVRational){0, 1}
: ist->time_base);
enc_ctx->time_base = ist->time_base;
/*
@ -715,38 +719,41 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
if (copy_tb == AVFMT_TBCF_AUTO && ist->r_frame_rate.num
&& av_q2d(ist->r_frame_rate) >= av_q2d(ist->avg_frame_rate)
&& 0.5/av_q2d(ist->r_frame_rate) > av_q2d(ist->time_base)
&& 0.5/av_q2d(ist->r_frame_rate) > av_q2d(dec_ctx->time_base)
&& av_q2d(ist->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
&& 0.5/av_q2d(ist->r_frame_rate) > av_q2d(dec_ctx_tb)
&& av_q2d(ist->time_base) < 1.0/500 && av_q2d(dec_ctx_tb) < 1.0/500
|| 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;
enc_ctx->ticks_per_frame = 2;
} else
#endif
if (copy_tb == AVFMT_TBCF_AUTO && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->time_base)
if (copy_tb == AVFMT_TBCF_AUTO && dec_ctx->framerate.num &&
av_q2d(av_inv_q(dec_ctx->framerate)) > 2*av_q2d(ist->time_base)
&& av_q2d(ist->time_base) < 1.0/500
|| copy_tb == AVFMT_TBCF_DECODER) {
enc_ctx->time_base = dec_ctx->time_base;
|| (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;
enc_ctx->ticks_per_frame = 2;
}
} else if (!(ofmt->flags & AVFMT_VARIABLE_FPS)
&& !av_match_name(ofmt->name, "mov,mp4,3gp,3g2,psp,ipod,ismv,f4v")) {
if (copy_tb == AVFMT_TBCF_AUTO && dec_ctx->time_base.den
&& av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->time_base)
if (copy_tb == AVFMT_TBCF_AUTO && dec_ctx->framerate.num
&& av_q2d(av_inv_q(dec_ctx->framerate)) > av_q2d(ist->time_base)
&& av_q2d(ist->time_base) < 1.0/500
|| copy_tb == AVFMT_TBCF_DECODER) {
enc_ctx->time_base = dec_ctx->time_base;
|| (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;
}
}
if ((enc_ctx->codec_tag == AV_RL32("tmcd") || ost->codecpar->codec_tag == AV_RL32("tmcd"))
&& dec_ctx->time_base.num < dec_ctx->time_base.den
&& dec_ctx->time_base.num > 0
&& 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
enc_ctx->time_base = dec_ctx->time_base;
&& dec_ctx_tb.num < dec_ctx_tb.den
&& dec_ctx_tb.num > 0
&& 121LL*dec_ctx_tb.num > dec_ctx_tb.den) {
enc_ctx->time_base = dec_ctx_tb;
}
av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,

41
libavformat/demux.c
View File

@ -2156,10 +2156,19 @@ static int get_std_framerate(int i)
* Old DivX and Xvid often have nonsense timebases like 1fps or 2fps.
* MPEG-2 commonly misuses field repeat flags to store different framerates.
* And there are "variable" fps files this needs to detect as well. */
static int tb_unreliable(AVCodecContext *c)
static int tb_unreliable(AVFormatContext *ic, AVStream *st)
{
if (c->time_base.den >= 101LL * c->time_base.num ||
c->time_base.den < 5LL * c->time_base.num ||
FFStream *const sti = ffstream(st);
AVCodecContext *c = sti->avctx;
AVRational time_base = c->framerate.num ? av_inv_q(av_mul_q(c->framerate,
(AVRational){c->ticks_per_frame, 1}))
/* NOHEADER check added to not break existing behavior */
: (((ic->ctx_flags & AVFMTCTX_NOHEADER) ||
st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ? (AVRational){0, 1}
: st->time_base);
if (time_base.den >= 101LL * time_base.num ||
time_base.den < 5LL * time_base.num ||
// c->codec_tag == AV_RL32("DIVX") ||
// c->codec_tag == AV_RL32("XVID") ||
c->codec_tag == AV_RL32("mp4v") ||
@ -2243,11 +2252,11 @@ void ff_rfps_calculate(AVFormatContext *ic)
// the check for tb_unreliable() is not completely correct, since this is not about handling
// an unreliable/inexact time base, but a time base that is finer than necessary, as e.g.
// ipmovie.c produces.
if (tb_unreliable(sti->avctx) && sti->info->duration_count > 15 && sti->info->duration_gcd > FFMAX(1, st->time_base.den/(500LL*st->time_base.num)) && !st->r_frame_rate.num &&
if (tb_unreliable(ic, st) && sti->info->duration_count > 15 && sti->info->duration_gcd > FFMAX(1, st->time_base.den/(500LL*st->time_base.num)) && !st->r_frame_rate.num &&
sti->info->duration_gcd < INT64_MAX / st->time_base.num)
av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, st->time_base.den, st->time_base.num * sti->info->duration_gcd, INT_MAX);
if (sti->info->duration_count > 1 && !st->r_frame_rate.num
&& tb_unreliable(sti->avctx)) {
&& tb_unreliable(ic, st)) {
int num = 0;
double best_error = 0.01;
AVRational ref_rate = st->r_frame_rate.num ? st->r_frame_rate : av_inv_q(st->time_base);
@ -2459,14 +2468,6 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
FFStream *const sti = ffstream(st);
AVCodecContext *const avctx = sti->avctx;
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
/* if (!st->time_base.num)
st->time_base = */
if (!avctx->time_base.num)
avctx->time_base = st->time_base;
}
/* check if the caller has overridden the codec id */
// only for the split stuff
if (!sti->parser && !(ic->flags & AVFMT_FLAG_NOPARSE) && sti->request_probe <= 0) {
@ -2544,7 +2545,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
* the correct fps. */
if (av_q2d(st->time_base) > 0.0005)
fps_analyze_framecount *= 2;
if (!tb_unreliable(sti->avctx))
if (!tb_unreliable(ic, st))
fps_analyze_framecount = 0;
if (ic->fps_probe_size >= 0)
fps_analyze_framecount = ic->fps_probe_size;
@ -2857,12 +2858,16 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
best_fps, 12 * 1001, INT_MAX);
}
if (!st->r_frame_rate.num) {
if ( avctx->time_base.den * (int64_t) st->time_base.num
<= avctx->time_base.num * (uint64_t)avctx->ticks_per_frame * st->time_base.den) {
AVRational time_base = avctx->framerate.num ? av_inv_q(av_mul_q(avctx->framerate,
(AVRational){avctx->ticks_per_frame, 1}))
/* NOHEADER check added to not break existing behavior */
: ((ic->ctx_flags & AVFMTCTX_NOHEADER) ? (AVRational){0, 1}
: st->time_base);
if ( time_base.den * (int64_t) st->time_base.num
<= time_base.num * (uint64_t)avctx->ticks_per_frame * st->time_base.den) {
av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den,
avctx->time_base.den, (int64_t)avctx->time_base.num * avctx->ticks_per_frame, INT_MAX);
time_base.den, (int64_t)time_base.num * avctx->ticks_per_frame, INT_MAX);
} else {
st->r_frame_rate.num = st->time_base.den;
st->r_frame_rate.den = st->time_base.num;