Message ID | 20210601154821.1488-1-jamrial@gmail.com |
---|---|
State | Accepted |
Commit | ab4f299e237708e81af473c88ec5acf0dd13d8eb |
Headers | show |
Series | [FFmpeg-devel] fftools/ffmpeg: remove usage of internal timestamp AVStream fields | expand |
Context | Check | Description |
---|---|---|
andriy/x86_make | success | Make finished |
andriy/x86_make_fate | success | Make fate finished |
andriy/PPC64_make | success | Make finished |
andriy/PPC64_make_fate | success | Make fate finished |
On 6/1/2021 12:48 PM, James Almer wrote: > They should not be accessed outside of libavformat. > > Signed-off-by: James Almer <jamrial@gmail.com> > --- > fftools/ffmpeg.c | 10 ++++++---- > fftools/ffmpeg.h | 1 + > fftools/ffmpeg_opt.c | 1 + > 3 files changed, 8 insertions(+), 4 deletions(-) > > diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c > index b3658d8f65..04ddc9e60b 100644 > --- a/fftools/ffmpeg.c > +++ b/fftools/ffmpeg.c > @@ -1168,7 +1168,7 @@ static void do_video_out(OutputFile *of, > if (frame_rate.num > 0 && frame_rate.den > 0) > duration = 1/(av_q2d(frame_rate) * av_q2d(enc->time_base)); > > - if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) > + if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) > duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base))); > > if (!ost->filters_script && > @@ -2625,9 +2625,11 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo > avpkt = ist->pkt; > > if (!ist->saw_first_ts) { > + ist->first_dts = > ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; > ist->pts = 0; > if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) { > + ist->first_dts = > ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); > ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong > } > @@ -3949,10 +3951,10 @@ static OutputStream *choose_output(void) > > for (i = 0; i < nb_output_streams; i++) { > OutputStream *ost = output_streams[i]; > - int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN : > - av_rescale_q(ost->st->cur_dts, ost->st->time_base, > + int64_t opts = ost->last_mux_dts == AV_NOPTS_VALUE ? INT64_MIN : > + av_rescale_q(ost->last_mux_dts, ost->st->time_base, > AV_TIME_BASE_Q); > - if (ost->st->cur_dts == AV_NOPTS_VALUE) > + if (ost->last_mux_dts == AV_NOPTS_VALUE) > av_log(NULL, AV_LOG_DEBUG, > "cur_dts is invalid st:%d (%d) [init:%d i_done:%d finish:%d] (this is harmless if it occurs once at the start per stream)\n", > ost->st->index, ost->st->id, ost->initialized, ost->inputs_done, ost->finished); > diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h > index 606f2afe0c..e9d30fbd67 100644 > --- a/fftools/ffmpeg.h > +++ b/fftools/ffmpeg.h > @@ -316,6 +316,7 @@ typedef struct InputStream { > /* predicted dts of the next packet read for this stream or (when there are > * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */ > int64_t next_dts; > + int64_t first_dts; ///< dts of the first packet read for this stream (in AV_TIME_BASE units) > int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units) > > int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units) > diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c > index 849d24b16d..a63bed54cf 100644 > --- a/fftools/ffmpeg_opt.c > +++ b/fftools/ffmpeg_opt.c > @@ -809,6 +809,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic) > ist->discard = 1; > st->discard = AVDISCARD_ALL; > ist->nb_samples = 0; > + ist->first_dts = AV_NOPTS_VALUE; > ist->min_pts = INT64_MAX; > ist->max_pts = INT64_MIN; Will apply.
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c index b3658d8f65..04ddc9e60b 100644 --- a/fftools/ffmpeg.c +++ b/fftools/ffmpeg.c @@ -1168,7 +1168,7 @@ static void do_video_out(OutputFile *of, if (frame_rate.num > 0 && frame_rate.den > 0) duration = 1/(av_q2d(frame_rate) * av_q2d(enc->time_base)); - if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) + if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base))); if (!ost->filters_script && @@ -2625,9 +2625,11 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo avpkt = ist->pkt; if (!ist->saw_first_ts) { + ist->first_dts = ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; ist->pts = 0; if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) { + ist->first_dts = ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong } @@ -3949,10 +3951,10 @@ static OutputStream *choose_output(void) for (i = 0; i < nb_output_streams; i++) { OutputStream *ost = output_streams[i]; - int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN : - av_rescale_q(ost->st->cur_dts, ost->st->time_base, + int64_t opts = ost->last_mux_dts == AV_NOPTS_VALUE ? INT64_MIN : + av_rescale_q(ost->last_mux_dts, ost->st->time_base, AV_TIME_BASE_Q); - if (ost->st->cur_dts == AV_NOPTS_VALUE) + if (ost->last_mux_dts == AV_NOPTS_VALUE) av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid st:%d (%d) [init:%d i_done:%d finish:%d] (this is harmless if it occurs once at the start per stream)\n", ost->st->index, ost->st->id, ost->initialized, ost->inputs_done, ost->finished); diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h index 606f2afe0c..e9d30fbd67 100644 --- a/fftools/ffmpeg.h +++ b/fftools/ffmpeg.h @@ -316,6 +316,7 @@ typedef struct InputStream { /* predicted dts of the next packet read for this stream or (when there are * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */ int64_t next_dts; + int64_t first_dts; ///< dts of the first packet read for this stream (in AV_TIME_BASE units) int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units) int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units) diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 849d24b16d..a63bed54cf 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -809,6 +809,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic) ist->discard = 1; st->discard = AVDISCARD_ALL; ist->nb_samples = 0; + ist->first_dts = AV_NOPTS_VALUE; ist->min_pts = INT64_MAX; ist->max_pts = INT64_MIN;
They should not be accessed outside of libavformat. Signed-off-by: James Almer <jamrial@gmail.com> --- fftools/ffmpeg.c | 10 ++++++---- fftools/ffmpeg.h | 1 + fftools/ffmpeg_opt.c | 1 + 3 files changed, 8 insertions(+), 4 deletions(-)