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

Alex Converse alex.converse at gmail.com
Wed Mar 24 05:24:07 CET 2010


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).

Sample:
http://streams.videolan.org/Mpeg_Conformance/ftp.iis.fhg.de/mpeg4audio-conformance/compressedMp4/als_00_2ch48k16b.mp4
---
 include/vlc_fourcc.h           |    1 +
 modules/codec/avcodec/fourcc.c |    1 +
 modules/demux/mp4/mp4.c        |    6 ++++++
 src/misc/fourcc.c              |    4 ++++
 4 files changed, 12 insertions(+), 0 deletions(-)

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