#define FFMPEG_AC3_PARSER_H
#include "ac3.h"
+#include "bitstream.h"
typedef enum {
AC3_PARSE_ERROR_SYNC = -1,
AC3_PARSE_ERROR_BSID = -2,
AC3_PARSE_ERROR_SAMPLE_RATE = -3,
AC3_PARSE_ERROR_FRAME_SIZE = -4,
- AC3_PARSE_ERROR_STREAM_TYPE = -5,
+ AC3_PARSE_ERROR_FRAME_TYPE = -5,
+ AC3_PARSE_ERROR_CRC = -6,
} AC3ParseError;
/**
* Parses AC-3 frame header.
* Parses the header up to the lfeon element, which is the first 52 or 54 bits
* depending on the audio coding mode.
- * @param buf[in] Array containing the first 7 bytes of the frame.
+ * @param gbc[in] BitContext containing the first 54 bits of the frame.
* @param hdr[out] Pointer to struct where header info is written.
* @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.
*/
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr);
+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 */