我正在尝试将.tak文件转换为.flac，但ffmpeg在结束前停止转换（没有错误消息）。
>ffmpeg -i CDImage.tak CDImage.flac
ffmpeg version N-69659-gc0367f7 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-lib
modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge
r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en
able-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
--enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enab
le-zlib
libavutil 54. 18.100 / 54. 18.100
libavcodec 56. 21.102 / 56. 21.102
libavformat 56. 19.100 / 56. 19.100
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 9.104 / 5. 9.104
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, tak, from 'CDImage.tak':
Duration: 00:17:35.95, start: 0.000000, bitrate: 1013 kb/s
Stream #0:0: Audio: tak, 44100 Hz, 2 channels, s16p
Output #0, flac, to 'CDImage.flac':
Metadata:
encoder : Lavf56.19.100
Stream #0:0: Audio: flac, 44100 Hz, stereo, s16, 128 kb/s
Metadata:
encoder : Lavc56.21.102 flac
Stream mapping:
Stream #0:0 -> #0:0 (tak (native) -> flac (native))
Press [q] to stop, [?] for help
size= 83540kB time=00:10:54.19 bitrate=1046.1kbits/s
video:0kB audio:83532kB subtitle:0kB other streams:0kB global headers:0kB muxing
overhead: 0.009689%
如您所见，输入文件为17：35.95，但ffmpeg仅转换10：54.19。有谁知道这里发生了什么？
编辑：我尝试使用不同的tak文件并得到相同的结果。 50分钟的比赛只有27分钟转换为flac。转换为wav时，我得到完全相同的输出文件时间，所以我猜它必须是我拥有的tak文件或ffmpeg的tak解码器。