[FFmpeg-trac] #948(avformat:open): No audio in output when the audio starts late in VOB file
FFmpeg
trac at avcodec.org
Wed Aug 1 08:45:28 CEST 2012
#948: No audio in output when the audio starts late in VOB file
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Reporter: streamingguy | Owner:
Type: defect | Status: open
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: mpegps | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by ski):
I'm having the same problem with late audio. When I try to convert next
VOB file from the same DVD there is no problem with audio.
{{{
$ ffmpeg -i VTS_11_1.VOB test.mp4
ffmpeg version git-2012-07-31-52bd9cb Copyright (c) 2000-2012 the FFmpeg
developers
built on Jul 31 2012 15:00:10 with gcc 4.6 (Ubuntu/Linaro
4.6.3-1ubuntu5)
configuration: --prefix=/home/test/20120731 --disable-doc --disable-
network --disable-ffserver --enable-gpl --enable-version3 --enable-shared
--enable-debug --disable-stripping --enable-pthreads --enable-runtime-
cpudetect --enable-libtheora --enable-libvorbis --enable-libmp3lame
--enable-libx264 --enable-libvpx
libavutil 51. 66.100 / 51. 66.100
libavcodec 54. 46.100 / 54. 46.100
libavformat 54. 22.100 / 54. 22.100
libavdevice 54. 2.100 / 54. 2.100
libavfilter 3. 5.101 / 3. 5.101
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[mpeg @ 0x170c240] max_analyze_duration 5000000 reached at 5000000
Input #0, mpeg, from 'VTS_11_1.VOB':
Duration: 00:18:32.25, start: 0.287267, bitrate: 7722 kb/s
Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR
64:45 DAR 16:9], 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x80]: Audio: ac3, 0 channels
Stream #0:2[0x81]: Audio: ac3, 0 channels
Stream #0:3[0x82]: Audio: ac3, 0 channels
Stream #0:4[0x83]: Audio: ac3, 0 channels
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/948#comment:2>
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