libavcodec/ac3_parser.h File Reference

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.

Parameters:

gbc[in] BitContext containing the first 54 bits of the frame.

hdr[out] Pointer to struct where header info is written.

Returns:

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.

Definition at line 37 of file ac3_parser.c.

Referenced by ac3_sync(), ff_ac3_parse_header_full(), and parse_frame_header().

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.

Parameters:

gbc[in] BitContext containing the first 54 bits of the frame.

hdr[out] Pointer to struct where header info is written.

Returns:

value returned by ff_ac3_parse_header

Definition at line 128 of file ac3_parser.c.