[FFmpeg-trac] #3332(undetermined:new): amovie+afade on MPEG-PS fades at wrong timestamp
FFmpeg
trac at avcodec.org
Mon Jan 20 17:45:35 CET 2014
#3332: amovie+afade on MPEG-PS fades at wrong timestamp
-------------------------------------+-------------------------------------
Reporter: MarkZV | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by MarkZV):
It can be reproduced with `ffmpeg`. Of course you need to play the output
to hear the problem, so using `ffplay` just saves a step.
{{{
$ ffmpeg -f lavfi -i amovie=sine.mpg,afade=t=out:st=10:d=1 out.wav
ffmpeg version N-59995-g4014b40 Copyright (c) 2000-2014 the FFmpeg
developers
built on Jan 19 2014 22:18:54 with gcc 4.2.1 (GCC) (Apple Inc. build
5666) (dot 3)
configuration: --prefix=/opt/local --enable-swscale --enable-avfilter
--enable-avresample --enable-libmp3lame --enable-libvorbis --enable-
libopus --enable-libtheora --enable-libschroedinger --enable-libopenjpeg
--enable-libmodplug --enable-libvpx --enable-libspeex --enable-libass
--enable-libbluray --enable-gnutls --enable-fontconfig --enable-
libfreetype --mandir=/opt/local/share/man --enable-pthreads
--cc=/usr/bin/gcc-4.2 --arch=x86_64 --enable-yasm --enable-gpl --enable-
postproc --enable-libx264 --enable-libxvid --enable-version3 --enable-
libopencore-amrnb --enable-libopencore-amrwb --enable-nonfree --enable-
libfdk-aac --enable-libfaac
libavutil 52. 63.100 / 52. 63.100
libavcodec 55. 48.101 / 55. 48.101
libavformat 55. 25.100 / 55. 25.100
libavdevice 55. 5.102 / 55. 5.102
libavfilter 4. 1.100 / 4. 1.100
libavresample 1. 1. 0 / 1. 1. 0
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Input #0, lavfi, from 'amovie=sine.mpg,afade=t=out:st=10:d=1':
Duration: N/A, start: 0.500000, bitrate: 705 kb/s
Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
Output #0, wav, to 'out.wav':
Metadata:
ISFT : Lavf55.25.100
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, mono,
s16, 705 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_s16le -> pcm_s16le)
Press [q] to stop, [?] for help
size= 3877kB time=00:00:45.00 bitrate= 705.6kbits/s
video:0kB audio:3877kB subtitle:0 global headers:0kB muxing overhead
0.002015%
$
}}}
Then play `out.wav` with your favorite player.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3332#comment:2>
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