Definition at line 33 of file flac.h.

Referenced by avpriv_flac_is_extradata_valid(), avpriv_flac_parse_streaminfo(), ff_flac_write_header(), flac_encode_init(), flac_header(), flac_read_header(), flac_write_trailer(), ogg_build_flac_headers(), parse_streaminfo(), and write_streaminfo().

Definition at line 34 of file flac.h.

Referenced by ff_flac_decode_frame_header(), flac_decode_frame(), flac_encode_init(), and write_frame_header().

Definition at line 35 of file flac.h.

Referenced by avpriv_flac_parse_streaminfo(), and flac_encode_init().

Definition at line 36 of file flac.h.

Referenced by decode_frame(), flac_decode_frame(), and flac_encode_init().

Definition at line 37 of file flac.h.

Referenced by flac_decode_frame().

bits-per-sample

Definition at line 62 of file flac.h.

Data needed from the Streaminfo header for use by the raw FLAC demuxer and/or the FLAC decoder.

total number of samples

Definition at line 72 of file flac.h.

Enumerator:

FLAC_CHMODE_INDEPENDENT

FLAC_CHMODE_LEFT_SIDE

FLAC_CHMODE_RIGHT_SIDE

FLAC_CHMODE_MID_SIDE

Definition at line 39 of file flac.h.

Enumerator:

FLAC_METADATA_TYPE_STREAMINFO

FLAC_METADATA_TYPE_PADDING

FLAC_METADATA_TYPE_APPLICATION

FLAC_METADATA_TYPE_SEEKTABLE

FLAC_METADATA_TYPE_VORBIS_COMMENT

FLAC_METADATA_TYPE_CUESHEET

FLAC_METADATA_TYPE_PICTURE

FLAC_METADATA_TYPE_INVALID

Definition at line 46 of file flac.h.

Enumerator:

FLAC_EXTRADATA_FORMAT_STREAMINFO

FLAC_EXTRADATA_FORMAT_FULL_HEADER

Definition at line 57 of file flac.h.

Parse the Streaminfo metadata block.

Parameters

[out] avctx codec context to set basic stream parameters

[out] s where parsed information is stored

[in] buffer pointer to start of 34-byte streaminfo data

Definition at line 204 of file flac.c.

Referenced by flac_decode_init(), flac_header(), flac_read_header(), and parse_streaminfo().

Validate the FLAC extradata.

Parameters

[in] avctx codec context containing the extradata.

[out] format extradata format.

[out] streaminfo_start pointer to start of 34-byte STREAMINFO data.

Returns

1 if valid, 0 if not valid.

Definition at line 169 of file flac.c.

Referenced by ff_flac_write_header(), flac_decode_init(), flac_write_trailer(), and ogg_build_flac_headers().

Parse the metadata block parameters from the header.

Parameters

[in] block_header header data, at least 4 bytes

[out] last indicator for last metadata block

[out] type metadata block type

[out] size metadata block size

Definition at line 236 of file flac.c.

Referenced by flac_read_header(), get_metadata_size(), and parse_streaminfo().

Calculate an estimate for the maximum frame size based on verbatim mode.

Parameters

blocksize block size, in samples

ch number of channels

bps bits-per-sample

Definition at line 148 of file flac.c.

Referenced by flac_decode_frame(), flac_encode_frame(), and flac_encode_init().

Validate and decode a frame header.

Parameters

avctx AVCodecContext to use as av_log() context

gb GetBitContext from which to read frame header

[out] fi frame information

log_level_offset log level offset. can be used to silence error messages.

Returns

non-zero on error, 0 if ok

Definition at line 50 of file flac.c.

Referenced by decode_frame(), and frame_header_is_valid().

Definition at line 196 of file flac.c.

Referenced by avpriv_flac_parse_streaminfo(), decode_frame(), and get_best_header().