[FFmpeg-trac] #4938(avformat:new): mp3 demux from mp4 results in unplayable file
FFmpeg
trac at avcodec.org
Fri Oct 16 19:36:44 CEST 2015
#4938: mp3 demux from mp4 results in unplayable file
-------------------------------------+-------------------------------------
Reporter: | Type: defect
projectsymphony | Priority: normal
Status: new | Version:
Component: avformat | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Sample file:
https://www.dropbox.com/s/nue55vybs3lnh2v/2014-11-30%2023.59.04-hb.mp4?dl=0
Quicktime plays video and not audio, Chrome and Firefox play video and
audio, ffplay and ffmpeg do not play neither video nor audio.
{{{
$ ffplay 2014-11-30\ 23.59.04-hb.mp4
ffplay version N-75284-g65b96ab Copyright (c) 2003-2015 the FFmpeg
developers
built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM
3.5svn)
configuration: --cc=clang --enable-debug --disable-optimizations
--disable-yasm --disable-asm --enable-libfdk-aac --enable-version3
--enable-nonfree --enable-gpl --disable-doc --enable-libmp3lame --enable-
openssl --enable-libfreetype --enable-avresample --enable-libopenjpeg
--enable-libx264
libavutil 55. 2.100 / 55. 2.100
libavcodec 57. 1.100 / 57. 1.100
libavformat 57. 0.100 / 57. 0.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 3.100 / 6. 3.100
libavresample 3. 0. 0 / 3. 0. 0
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
[mp3 @ 0x7fe6bc80e600] Header missing
Last message repeated 120 times
}}}
If you streamcopy the audio stream you get several warnings about invalid
audio packets
{{{
[mp3 @ 0x7ffacb010400] Audio packet of size 960 (starting with
25001174...) is invalid, writing it anyway.
}}}
related to
https://forum.handbrake.fr/viewtopic.php?f=12&t=33345&p=155672#p155672
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4938>
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