From a2a44876712f079610f0396fb9a682ea47e05b6e Mon Sep 17 00:00:00 2001 From: Miguel Freitas Date: Sun, 25 Apr 2004 18:57:04 +0000 Subject: ffmpeg sync CVS patchset: 6437 CVS date: 2004/04/25 18:57:04 --- src/libffmpeg/libavcodec/wmadec.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/libffmpeg/libavcodec/wmadec.c') diff --git a/src/libffmpeg/libavcodec/wmadec.c b/src/libffmpeg/libavcodec/wmadec.c index 25498c4d2..cf2db1494 100644 --- a/src/libffmpeg/libavcodec/wmadec.c +++ b/src/libffmpeg/libavcodec/wmadec.c @@ -20,6 +20,15 @@ /** * @file wmadec.c * WMA compatible decoder. + * This decoder handles Microsoft Windows Media Audio data, versions 1 & 2. + * WMA v1 is identified by audio format 0x160 in Microsoft media files + * (ASF/AVI/WAV). WMA v2 is identified by audio format 0x161. + * + * To use this decoder, a calling application must supply the extra data + * bytes provided with the WMA data. These are the extra, codec-specific + * bytes at the end of a WAVEFORMATEX data structure. Transmit these bytes + * to the decoder using the extradata[_size] fields in AVCodecContext. There + * should be 4 extra bytes for v1 data and 6 extra bytes for v2 data. */ #include "avcodec.h" -- cgit v1.2.3