[vlc-devel] [PATCH] Add support for MPEG-4 ALS to the MP4 demuxer and FFmpeg wrapper.

Jean-Baptiste Kempf jb at videolan.org
Wed Mar 24 08:40:11 CET 2010

On Wed, Mar 24, 2010 at 12:24:07AM -0400, Alex Converse wrote :
> MPEG-4 ALS is a pure losses audio codec from MPEG. Like other MPEG-4
> Audio variants it's muxed into the MP4 container with Object Type
> Indication 0x40 followed by its Audio Object Type (36).
Cool, I didn't know that avcodec managed it correcty. My bad.

> +                {
> +                    p_track->fmt.i_codec = VLC_FOURCC( 'a','l','s',0x00 );
> +                }
Why not using VLC_CODEC_ALS here?

Laurent, any objections to application of the patch?

Best Regards,

Jean-Baptiste Kempf

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