When I want to convert .dat files, ffmpeg only decodes one stream(audio stream).
------------command line result------------------------
F:\ffmpeg-export-2008-03-08>ffmpeg -i ts.dat
FFmpeg version SVN-r12363, Copyright (c) 2000-2008 Fabrice Bellard, et al.
configuration: --enable-memalign-hack
libavutil version: 49.6.0
libavcodec version: 51.51.0
libavformat version: 52.8.0
libavdevice version: 52.0.0
built on Mar 8 2008 21:58:22, gcc: 3.4.2 (mingw-special)
Input #0, psxstr, from 'ts.dat':
Duration: N/A, bitrate: N/A
Stream #0.0: Audio: adpcm_xa, 18900 Hz, stereo
Must supply at least one output file
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