[FFmpeg-trac] #4938(avformat:open): mp3 demux from mp4 results in unplayable file
FFmpeg
trac at avcodec.org
Fri Oct 16 20:19:28 CEST 2015
#4938: mp3 demux from mp4 results in unplayable file
-------------------------------------+-------------------------------------
Reporter: | Owner:
projectsymphony | Status: open
Type: defect | Component: avformat
Priority: important | Resolution:
Version: git-master | Blocked By:
Keywords: mov mp3 | Reproduced by developer: 1
regression |
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* keywords: => mov mp3 regression
* priority: normal => important
* version: unspecified => git-master
* status: new => open
* reproduced: 0 => 1
Comment:
For future tickets: Please remember not to provide FFplay output if the
issue is reproducible with FFmpeg.
Regression since ae215e2b / 6ec688e1
{{{
$ ffmpeg -i 2014-11-30\ 23.59.04-hb.mp4 out.wav
ffmpeg version N-76053-g2b5dda3 Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-gnutls
libavutil 55. 4.100 / 55. 4.100
libavcodec 57. 7.100 / 57. 7.100
libavformat 57. 8.100 / 57. 8.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 11.100 / 6. 11.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.100 / 2. 0.100
libpostproc 54. 0.100 / 54. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2014-11-30 23.59.04-hb.mp4':
Metadata:
major_brand : mp42
minor_version : 512
compatible_brands: isomiso2avc1mp41
creation_time : 2015-10-16 16:23:40
date : 2014-11-30T23:59:04+0100
encoder : HandBrake 0.10.2 2015061100
Duration: 00:00:10.16, start: 0.000000, bitrate: 4140 kb/s
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv,
bt709), 1280x720 [SAR 1:1 DAR 16:9], 4078 kb/s, 120.16 fps, 120 tbr, 90k
tbn, 180k tbc (default)
Metadata:
creation_time : 2015-10-16 16:23:40
handler_name : VideoHandler
Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, mono,
s16p, 72 kb/s (default)
Metadata:
creation_time : 2015-10-16 16:23:40
handler_name : Mono
Output #0, wav, to 'out.wav':
Metadata:
major_brand : mp42
minor_version : 512
compatible_brands: isomiso2avc1mp41
ICRD : 2014-11-30T23:59:04+0100
ISFT : Lavf57.8.100
Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
mono, s16, 705 kb/s (default)
Metadata:
creation_time : 2015-10-16 16:23:40
handler_name : Mono
encoder : Lavc57.7.100 pcm_s16le
Stream mapping:
Stream #0:1 -> #0:0 (mp3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[mp3 @ 0x261e2a0] Header missing
Error while decoding stream #0:1: Invalid data found when processing input
...
[mp3 @ 0x261e2a0] Header missing
Error while decoding stream #0:1: Invalid data found when processing input
size= 16kB time=00:00:08.88 bitrate= 14.6kbits/s
video:0kB audio:16kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.694444%
Conversion failed!
}}}
The output file is unplayable / only a second long.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4938#comment:1>
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