[FFmpeg-devel] [PATCH 3/3] lavd/alsa_audio_enc: implementation of query_codec

Nicolas George george at nsup.org
Sat Nov 2 12:00:02 CET 2013


Le duodi 12 brumaire, an CCXXII, Reimar Döffinger a écrit :
> I'm not sure what the point of it is.
> It doesn't cover all possibilities (e.g. AC3, DTS etc. in SPDIF is often
> supported), while it also contains formats that are
> almost never supported (especially the reverse endianness
> formats, but most of the time only AV_CODEC_ID_PCM_S16LE
> actually works).

They are the formats supported by the wrapper code, i.e. the ffmpeg CodecID
values that are mapped to an ALSA format enum value.

Inside ALSA, it is likely that all formats are supported because the devices
usually contain a "plug" plugin that converts from any format.

Regards,

-- 
  Nicolas George
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