[FFmpeg-trac] #11028(undetermined:open): Audio of damaged MP4 suddenly stops playing
FFmpeg
trac at avcodec.org
Sat May 25 06:01:46 EEST 2024
#11028: Audio of damaged MP4 suddenly stops playing
-------------------------------------+-------------------------------------
Reporter: PumaD | Owner: Gyan
Type: defect | Status: open
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by Balling):
* owner: (none) => Gyan
* status: new => open
Comment:
Does not it warn that
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001fabf400100] Sample size 3043950162 is too
large
?
Also, did you see this applied patch:
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20211116141533.1708-1-ffmpeg@gyani.pro/
"The muxer should be adjusted to be able to write larger durations in the
stts but that's a larger undertaking which I'll do later."
Also by setting -v debug we see
Processing st: 0, edit list 0 - media time: -1, duration: 2790
Negative priming, indeed (media time of 0xFFFFFFFF means -1 per genius
spec of MP4):
00000110 Track duration: 31 (0x0000001F) - 31
(0x1F)
00000114 Media time: 4294967295 (0xFFFFFFFF)
00000118 Media rate: 65536 (0x00010000) -
1.000
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11028#comment:4>
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