[FFmpeg-devel] [PATCH]Support stereo for Yamaha SMAF files

Paul B Mahol onemda at gmail.com
Sun Nov 25 12:23:33 CET 2012

On 11/24/12, Piotr Bandurski <ami_stuff at o2.pl> wrote:
> Hi,
>> > I have found this tool:
>> >
>> > http://smaf-yamaha.com/tools/wsd.html
>> >
>> > and created some samples. FFmpeg is able to decode only
>> > MA-2 format (mono, 4/8kHz), with MA-3/5/7 I get:
>> Can you create stereo files with stereo wav?
>> I cant use wscma2u.exe under wine because the only way to
>> create files is to drag them with mouse.
> I get "channel count not supported" for stereo file when I try to export
> MA-2/3 format.

Well, there is stereo flag. So either ffmpeg should use that or should disallow
muxing non-mono streams.
> Here are the samples:
> http://www.datafilehost.com/download-43394a16.html
> Mono MA-3/5/7 files have around the same size as MA-2, but ffmpeg reject
> them.

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