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Tue, 20 Jan 2026 14:05:26 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Tue, 20 Jan 2026 12:05:26 -0000 Message-ID: <176891072652.25.14639422023198468750@4457048688e7> Message-ID-Hash: DZSPQA3UBFZSZVT7R6WGKENLJZARFUP7 X-Message-ID-Hash: DZSPQA3UBFZSZVT7R6WGKENLJZARFUP7 X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PR] ffmpeg_demux: fix readrate to respect initial burst (PR #21530) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Gyan Doshi via ffmpeg-devel Cc: Gyan Doshi Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #21530 opened by Gyan Doshi (GyanD) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21530 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21530.patch Fixes #21510 >>From eaf46cb6d4fa137f4b7633d9bf4486cb10ce94c3 Mon Sep 17 00:00:00 2001 From: Gyan Doshi Date: Tue, 20 Jan 2026 17:32:00 +0530 Subject: [PATCH] ffmpeg_demux: fix readrate to respect initial burst Fixes #21510 --- fftools/ffmpeg_demux.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fftools/ffmpeg_demux.c b/fftools/ffmpeg_demux.c index 193967fce1..701f9ddc34 100644 --- a/fftools/ffmpeg_demux.c +++ b/fftools/ffmpeg_demux.c @@ -525,6 +525,9 @@ static void readrate_sleep(Demuxer *d) pts = av_rescale(ds->dts, 1000000, AV_TIME_BASE); now = av_gettime_relative(); wc_elapsed = now - d->wallclock_start; + + if (pts <= stream_ts_offset + initial_burst) continue; + max_pts = stream_ts_offset + initial_burst + (int64_t)(wc_elapsed * d->readrate); lag = FFMAX(max_pts - pts, 0); if ( (!ds->lag && lag > 0.3 * AV_TIME_BASE) || ( lag > ds->lag + 0.3 * AV_TIME_BASE) ) { -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org