New submission from Zhou Zongyi <[email protected]>:

ffmpeg -i ED-CM-St-16bit.flac -acodec copy ed.mka
FFmpeg version git-0b32da9, Copyright (c) 2000-2011 the FFmpeg 
developers
  built on Feb 28 2011 04:05:31 with gcc 4.5.2 (x86.generic.Komisar)
  configuration: --prefix=/home/ffmpegbuild_free --enable-gpl --enable-
version3
--enable-postproc --enable-runtime-cpudetect --enable-memalign-hack --
enable-avisynth --enable-libopencore-amrnb --enable-libopencore-amrwb --
enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-
libx264 --enable-libxvid --disable-decoder='amrnb,amrwb,libvpx' --
disable-hwaccels --cpu=i686 --disable-debug --extra-cflags=-
U__STRICT_ANSI__
  libavutil    50. 39. 0 / 50. 39. 0
  libavcodec   52.113. 2 / 52.113. 2
  libavformat  52.102. 0 / 52.102. 0
  libavdevice  52.  2. 3 / 52.  2. 3
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
  libpostproc  51.  2. 0 / 51.  2. 0
[flac @ 01bfd1b0] max_analyze_duration reached
Input #0, flac, from 'G:\ED-CM-St-16bit.flac':
  Duration: 00:10:58.32, bitrate: 718 kb/s
    Stream #0.0: Audio: flac, 48000 Hz, 2 channels, s16
Output #0, matroska, to 'R:\ed.mka':
  Metadata:
    encoder         : Lavf52.102.0
    Stream #0.0: Audio: flac, 48000 Hz, 2 channels
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
size=   57824kB time=658.37 bitrate= 719.5kbits/s
video:0kB audio:57774kB global headers:0kB muxing overhead 0.085852%

mka file plays silently with mpc-hc (built-in decoder), but it plays 
well with mplayer and ffdshow.

If you mux flac to mka using mkvmerge, the mka file plays well with all 
players.

My sample is here
http://media.xiph.org/ED/ED-CM-St-16bit.flac

----------
messages: 13799
priority: normal
status: new
substatus: new
title: frame copy of flac audio produces broken file
topic: avcodec, avformat
type: bug

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FFmpeg issue tracker <[email protected]>
<https://roundup.ffmpeg.org/issue2639>
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