[FFmpeg-user] Decoding adpcm_psx

Markus Laaja markus.laaja at dnainternet.net
Sat Oct 27 18:14:52 EEST 2018

Excuse me for attaching the file directly.
Successful conversion should yield 21840 samples in 22khz, mono.
The first two bytes might be (non-standard) header info, but omitting 
them from the file doesn't seem to help here.

Here's the configuration output by ffmpeg just in case.

   configuration: --enable-gpl --enable-version3 --enable-sdl2 
--enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv 
--enable-libass --enable-libbluray --enable-libfreetype 
--enable-libmp3lame --enable-libopencore-amrnb 
--enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus 
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora 
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp 
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg 
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab 
--enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa 
--enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx 
--enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va 
--enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth

On 27.10.2018 00:55, Carl Eugen Hoyos wrote:
>> Am 26.10.2018 um 21:12 schrieb Markus Laaja <markus.laaja at dnainternet.net>:
>> Greetings.
>> In short, I'm running into constant input errors when trying to decode from different adpcm formats.
>> Compiling ffmpeg on a linux environment to see if it helps, is way beyond my reach just to solve this, unfortunately.
>> Can anyone confirm this shouldn't happen?
>> Thanks for everyone in advance.
>> The input and output cut short:
>> D:\ffmpeg-4.0.2-win32-static\bin>ffmpeg -f adpcm_psx -ar 22050 -ac 1 -i ST1.adpcm_psx ST1.wav
> Please provide such an input file.
> Carl Eugen
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