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fftools/ffmpeg: add an option for writing pre-muxing stats

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Analogous to -enc_stats*, but happens right before muxing. Useful
because bitstream filters and the sync queue can modify packets after
encoding and before muxing. Also has access to the muxing timebase.
This commit is contained in:
Anton Khirnov
2023-02-06 13:14:53 +01:00
parent 6d4f3ae116
commit 42a0dd6e7e
8 changed files with 60 additions and 17 deletions
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10
fftools/ffmpeg_mux.c
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@@ -64,6 +64,7 @@ static int write_packet(Muxer *mux, OutputStream *ost, AVPacket *pkt)
AVFormatContext *s = mux->fc;
AVStream *st = ost->st;
int64_t fs;
uint64_t frame_num;
int ret;
fs = filesize(s->pb);
@@ -128,7 +129,7 @@ static int write_packet(Muxer *mux, OutputStream *ost, AVPacket *pkt)
ms->last_mux_dts = pkt->dts;
ost->data_size_mux += pkt->size;
atomic_fetch_add(&ost->packets_written, 1);
frame_num = atomic_fetch_add(&ost->packets_written, 1);
pkt->stream_index = ost->index;
@@ -143,6 +144,9 @@ static int write_packet(Muxer *mux, OutputStream *ost, AVPacket *pkt)
);
}
if (ms->stats.io)
enc_stats_write(ost, &ms->stats, NULL, pkt, frame_num);
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
print_error("av_interleaved_write_frame()", ret);
@@ -688,6 +692,10 @@ static void ost_free(OutputStream **post)
av_freep(&ost->enc_stats_post.components[i].str);
av_freep(&ost->enc_stats_post.components);
for (int i = 0; i < ms->stats.nb_components; i++)
av_freep(&ms->stats.components[i].str);
av_freep(&ms->stats.components);
av_freep(post);
}