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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-05-03 13:38:57 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-04-04 22:09:46 +0200 |
| commit | 64c59b626fa1cfd92703e99b85acc516d0d8ba0b (patch) | |
| tree | 8c6fa3850bd30d0e7e8238cf1e43c86e18569294 | |
| parent | 88f95253e1afeb1516b21daf31bb78f496ef2fd4 (diff) | |
| download | ffmpeg-64c59b626fa1cfd92703e99b85acc516d0d8ba0b.tar.gz | |
fftools/ffmpeg: Disable copy_ts on timestamp wraparound
This allows handling more than 26.5h of mpeg* input
Fixes: Ticket 7876
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | fftools/ffmpeg.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c index 4fca8b4896..3322723748 100644 --- a/fftools/ffmpeg.c +++ b/fftools/ffmpeg.c @@ -4263,6 +4263,7 @@ static int process_input(int file_index) int ret, thread_ret, i, j; int64_t duration; int64_t pkt_dts; + int disable_discontinuity_correction = copy_ts; is = ifile->ctx; ret = get_input_packet(ifile, &pkt); @@ -4464,10 +4465,20 @@ static int process_input(int file_index) pkt.dts += duration; pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX); + + if (copy_ts && pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && + (is->iformat->flags & AVFMT_TS_DISCONT) && ist->st->pts_wrap_bits < 60) { + int64_t wrap_dts = av_rescale_q_rnd(pkt.dts + (1LL<<ist->st->pts_wrap_bits), + ist->st->time_base, AV_TIME_BASE_Q, + AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX); + if (FFABS(wrap_dts - ist->next_dts) < FFABS(pkt_dts - ist->next_dts)/10) + disable_discontinuity_correction = 0; + } + if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO || ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) && pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && - !copy_ts) { + !disable_discontinuity_correction) { int64_t delta = pkt_dts - ist->next_dts; if (is->iformat->flags & AVFMT_TS_DISCONT) { if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE || |