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[FFmpeg-devel,v2,1/2] avformat/movenc: initialize pts/dts of timecode packet

Message ID 1647272174-29686-1-git-send-email-lance.lmwang@gmail.com
State Accepted
Commit fc8a6a6f4cc3d9b5ca278d181bba97297dd8ee6a
Headers show
Series [FFmpeg-devel,v2,1/2] avformat/movenc: initialize pts/dts of timecode packet | expand

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Commit Message

Lance Wang March 14, 2022, 3:36 p.m. UTC 
From: Limin Wang <lance.lmwang@gmail.com>

Fix below error message when timecode packet is written.
"Application provided duration: -9223372036854775808 / timestamp: -9223372036854775808 is out of range for mov/mp4 format"

try to reproduce by:
ffmpeg -y -f lavfi -i color -metadata "timecode=00:00:00:00" -t 1 test.mov

Note although error message is printed, the timecode packet will be written anyway. So
the patch 2/2 will try to change the log level to warning.

Fixes ticket #9488

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
---
 libavformat/movenc.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index ee1629d..436ceb8 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -6356,6 +6356,7 @@  static int mov_create_timecode_track(AVFormatContext *s, int index, int src_inde
     pkt->data = data;
     pkt->stream_index = index;
     pkt->flags = AV_PKT_FLAG_KEY;
+    pkt->pts = pkt->dts = av_rescale_q(tc.start, av_inv_q(rate), (AVRational){1,mov->movie_timescale});
     pkt->size = 4;
     AV_WB32(pkt->data, tc.start);
     ret = ff_mov_write_packet(s, pkt);