diff options
Diffstat (limited to 'libavcodec/ac3_parser.h')
| -rw-r--r-- | libavcodec/ac3_parser.h | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/libavcodec/ac3_parser.h b/libavcodec/ac3_parser.h index dc5d035e11..ff8cc4cf09 100644 --- a/libavcodec/ac3_parser.h +++ b/libavcodec/ac3_parser.h @@ -23,20 +23,14 @@ #ifndef AVCODEC_AC3_PARSER_H #define AVCODEC_AC3_PARSER_H -#include "ac3.h" -#include "get_bits.h" +#include <stddef.h> +#include <stdint.h> /** - * Parse AC-3 frame header. - * Parse the header up to the lfeon element, which is the first 52 or 54 bits - * depending on the audio coding mode. - * @param[in] gbc BitContext containing the first 54 bits of the frame. - * @param[out] hdr Pointer to Pointer to struct where header info is written. - * will be allocated if NULL - * @return Returns 0 on success, -1 if there is a sync word mismatch, - * -2 if the bsid (version) element is invalid, -3 if the fscod (sample rate) - * element is invalid, or -4 if the frmsizecod (bit rate) element is invalid. + * Extract the bitstream ID and the frame size from AC-3 data. */ -int avpriv_ac3_parse_header(GetBitContext *gbc, AC3HeaderInfo **hdr); +int av_ac3_parse_header(const uint8_t *buf, size_t size, + uint8_t *bitstream_id, uint16_t *frame_size); + #endif /* AVCODEC_AC3_PARSER_H */ |