From 0c79b1402a48a99f32435a0f5ad2364c58c6fcf3 Mon Sep 17 00:00:00 2001 From: Bartlomiej Wolowiec Date: Thu, 24 Apr 2008 22:27:13 +0000 Subject: add a ff_ac3_parse_header_full() which calls ff_ac3_parse_header() and then reads the channel_map stuff Originally committed as revision 12944 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/ac3_parser.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'libavcodec/ac3_parser.h') diff --git a/libavcodec/ac3_parser.h b/libavcodec/ac3_parser.h index 3f19b13dd7..63bea56512 100644 --- a/libavcodec/ac3_parser.h +++ b/libavcodec/ac3_parser.h @@ -46,4 +46,15 @@ typedef enum { */ int ff_ac3_parse_header(GetBitContext *gbc, AC3HeaderInfo *hdr); +/** + * Parses AC-3 frame header and sets channel_map + * Parses the header up to the lfeon (channel_map in E-AC-3) + * element, which is the first 52, 54 or 104 bits depending + * on the audio coding mode. + * @param gbc[in] BitContext containing the first 54 bits of the frame. + * @param hdr[out] Pointer to struct where header info is written. + * @return value returned by ff_ac3_parse_header + */ +int ff_ac3_parse_header_full(GetBitContext *gbc, AC3HeaderInfo *hdr); + #endif /* FFMPEG_AC3_PARSER_H */ -- cgit v1.2.3