PR #21512 opened by ddurham2 URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21512 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21512.patch
addresses issue #21510 >From 5818330487fee2e36481dbda71b918c5e9928899 Mon Sep 17 00:00:00 2001 From: Davy Durham <[email protected]> Date: Sun, 18 Jan 2026 00:32:21 -0600 Subject: [PATCH] fftools/ffmpeg_demux: Fix -readrate_initial_burst implementation where lag/catchup detection was kicking in, overriding the burst. --- fftools/ffmpeg_demux.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fftools/ffmpeg_demux.c b/fftools/ffmpeg_demux.c index 193967fce1..1fc1554a60 100644 --- a/fftools/ffmpeg_demux.c +++ b/fftools/ffmpeg_demux.c @@ -100,7 +100,7 @@ typedef struct DemuxStream { int64_t resume_wc; // timestamp of first packet sent after the latest stall - used for readrate int64_t resume_pts; - // measure of how far behind packet reading is against spceified readrate + // measure of how far behind packet reading is against specified readrate int64_t lag; } DemuxStream; @@ -521,6 +521,10 @@ static void readrate_sleep(Demuxer *d) if (ds->discard) continue; + if (ds->lag == 0 && initial_burst > 0) { + ds->lag = initial_burst; + } + stream_ts_offset = FFMAX(ds->first_dts != AV_NOPTS_VALUE ? ds->first_dts : 0, file_start); pts = av_rescale(ds->dts, 1000000, AV_TIME_BASE); now = av_gettime_relative(); -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
