format.h

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/* libFLAC - Free Lossless Audio Codec library
 * Copyright (C) 2000-2009  Josh Coalson
 * Copyright (C) 2011-2014  Xiph.Org Foundation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of the Xiph.org Foundation nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef FLAC__FORMAT_H
#define FLAC__FORMAT_H
 
#include "export.h"
#include "ordinals.h"
 
#ifdef __cplusplus
extern "C" {
#endif


 
 
/*
        Most of the values described in this file are defined by the FLAC
        format specification.  There is nothing to tune here.
*/

#define FLAC__MAX_METADATA_TYPE_CODE (126u)

#define FLAC__MIN_BLOCK_SIZE (16u)

#define FLAC__MAX_BLOCK_SIZE (65535u)

#define FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ (4608u)

#define FLAC__MAX_CHANNELS (8u)

#define FLAC__MIN_BITS_PER_SAMPLE (4u)

#define FLAC__MAX_BITS_PER_SAMPLE (32u)

#define FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE (24u)

#define FLAC__MAX_SAMPLE_RATE (655350u)

#define FLAC__MAX_LPC_ORDER (32u)

#define FLAC__SUBSET_MAX_LPC_ORDER_48000HZ (12u)

#define FLAC__MIN_QLP_COEFF_PRECISION (5u)

#define FLAC__MAX_QLP_COEFF_PRECISION (15u)

#define FLAC__MAX_FIXED_ORDER (4u)

#define FLAC__MAX_RICE_PARTITION_ORDER (15u)

#define FLAC__SUBSET_MAX_RICE_PARTITION_ORDER (8u)

extern FLAC_API const char *FLAC__VERSION_STRING;

extern FLAC_API const char *FLAC__VENDOR_STRING;

extern FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4]; /* = "fLaC" */

extern FLAC_API const unsigned FLAC__STREAM_SYNC; /* = 0x664C6143 */

extern FLAC_API const unsigned FLAC__STREAM_SYNC_LEN; /* = 32 bits */

#define FLAC__STREAM_SYNC_LENGTH (4u)
 
 
/*****************************************************************************
 *
 * Subframe structures
 *
 *****************************************************************************/
 
/*****************************************************************************/

typedef enum {
        FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE = 0,
 
        FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 = 1
} FLAC__EntropyCodingMethodType;

extern FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[];
 

typedef struct {
 
        unsigned *parameters;
 
        unsigned *raw_bits;
 
        unsigned capacity_by_order;
} FLAC__EntropyCodingMethod_PartitionedRiceContents;

typedef struct {
 
        unsigned order;
 
        const FLAC__EntropyCodingMethod_PartitionedRiceContents *contents;
 
} FLAC__EntropyCodingMethod_PartitionedRice;
 
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN; 
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; 
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN; 
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN; 
 
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER;

typedef struct {
        FLAC__EntropyCodingMethodType type;
        union {
                FLAC__EntropyCodingMethod_PartitionedRice partitioned_rice;
        } data;
} FLAC__EntropyCodingMethod;
 
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN; 
 
/*****************************************************************************/

typedef enum {
        FLAC__SUBFRAME_TYPE_CONSTANT = 0, 
        FLAC__SUBFRAME_TYPE_VERBATIM = 1, 
        FLAC__SUBFRAME_TYPE_FIXED = 2, 
        FLAC__SUBFRAME_TYPE_LPC = 3 
} FLAC__SubframeType;

extern FLAC_API const char * const FLAC__SubframeTypeString[];
 

typedef struct {
        FLAC__int32 value; 
} FLAC__Subframe_Constant;
 

typedef struct {
        const FLAC__int32 *data; 
} FLAC__Subframe_Verbatim;
 

typedef struct {
        FLAC__EntropyCodingMethod entropy_coding_method;
 
        unsigned order;
 
        FLAC__int32 warmup[FLAC__MAX_FIXED_ORDER];
 
        const FLAC__int32 *residual;
} FLAC__Subframe_Fixed;
 

typedef struct {
        FLAC__EntropyCodingMethod entropy_coding_method;
 
        unsigned order;
 
        unsigned qlp_coeff_precision;
 
        int quantization_level;
 
        FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER];
 
        FLAC__int32 warmup[FLAC__MAX_LPC_ORDER];
 
        const FLAC__int32 *residual;
} FLAC__Subframe_LPC;
 
extern FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN; 
extern FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN; 
 

typedef struct {
        FLAC__SubframeType type;
        union {
                FLAC__Subframe_Constant constant;
                FLAC__Subframe_Fixed fixed;
                FLAC__Subframe_LPC lpc;
                FLAC__Subframe_Verbatim verbatim;
        } data;
        unsigned wasted_bits;
} FLAC__Subframe;

extern FLAC_API const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN;
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LEN; 
extern FLAC_API const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN; 
 
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK; 
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK; 
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK; 
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK; 
 
/*****************************************************************************/
 
 
/*****************************************************************************
 *
 * Frame structures
 *
 *****************************************************************************/

typedef enum {
        FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT = 0, 
        FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE = 1, 
        FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE = 2, 
        FLAC__CHANNEL_ASSIGNMENT_MID_SIDE = 3 
} FLAC__ChannelAssignment;

extern FLAC_API const char * const FLAC__ChannelAssignmentString[];

typedef enum {
        FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER, 
        FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER 
} FLAC__FrameNumberType;

extern FLAC_API const char * const FLAC__FrameNumberTypeString[];
 

typedef struct {
        unsigned blocksize;
 
        unsigned sample_rate;
 
        unsigned channels;
 
        FLAC__ChannelAssignment channel_assignment;
 
        unsigned bits_per_sample;
 
        FLAC__FrameNumberType number_type;
 
        union {
                FLAC__uint32 frame_number;
                FLAC__uint64 sample_number;
        } number;
 
        FLAC__uint8 crc;
} FLAC__FrameHeader;
 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_RESERVED_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN; 
extern FLAC_API const unsigned FLAC__FRAME_HEADER_CRC_LEN; 
 

typedef struct {
        FLAC__uint16 crc;
} FLAC__FrameFooter;
 
extern FLAC_API const unsigned FLAC__FRAME_FOOTER_CRC_LEN; 
 

typedef struct {
        FLAC__FrameHeader header;
        FLAC__Subframe subframes[FLAC__MAX_CHANNELS];
        FLAC__FrameFooter footer;
} FLAC__Frame;
 
/*****************************************************************************/
 
 
/*****************************************************************************
 *
 * Meta-data structures
 *
 *****************************************************************************/

typedef enum {
 
        FLAC__METADATA_TYPE_STREAMINFO = 0,
 
        FLAC__METADATA_TYPE_PADDING = 1,
 
        FLAC__METADATA_TYPE_APPLICATION = 2,
 
        FLAC__METADATA_TYPE_SEEKTABLE = 3,
 
        FLAC__METADATA_TYPE_VORBIS_COMMENT = 4,
 
        FLAC__METADATA_TYPE_CUESHEET = 5,
 
        FLAC__METADATA_TYPE_PICTURE = 6,
 
        FLAC__METADATA_TYPE_UNDEFINED = 7,
 
    FLAC__MAX_METADATA_TYPE = FLAC__MAX_METADATA_TYPE_CODE,
} FLAC__MetadataType;

extern FLAC_API const char * const FLAC__MetadataTypeString[];
 

typedef struct {
        unsigned min_blocksize, max_blocksize;
        unsigned min_framesize, max_framesize;
        unsigned sample_rate;
        unsigned channels;
        unsigned bits_per_sample;
        FLAC__uint64 total_samples;
        FLAC__byte md5sum[16];
} FLAC__StreamMetadata_StreamInfo;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN; 

#define FLAC__STREAM_METADATA_STREAMINFO_LENGTH (34u)

typedef struct {
        int dummy;
} FLAC__StreamMetadata_Padding;
 

typedef struct {
        FLAC__byte id[4];
        FLAC__byte *data;
} FLAC__StreamMetadata_Application;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN; 

typedef struct {
        FLAC__uint64 sample_number;
 
        FLAC__uint64 stream_offset;
 
        unsigned frame_samples;
} FLAC__StreamMetadata_SeekPoint;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN; 

#define FLAC__STREAM_METADATA_SEEKPOINT_LENGTH (18u)

extern FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
 

typedef struct {
        unsigned num_points;
        FLAC__StreamMetadata_SeekPoint *points;
} FLAC__StreamMetadata_SeekTable;
 

typedef struct {
        FLAC__uint32 length;
        FLAC__byte *entry;
} FLAC__StreamMetadata_VorbisComment_Entry;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN; 
 

typedef struct {
        FLAC__StreamMetadata_VorbisComment_Entry vendor_string;
        FLAC__uint32 num_comments;
        FLAC__StreamMetadata_VorbisComment_Entry *comments;
} FLAC__StreamMetadata_VorbisComment;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN; 
 

typedef struct {
        FLAC__uint64 offset;
 
        FLAC__byte number;
} FLAC__StreamMetadata_CueSheet_Index;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN; 
 

typedef struct {
        FLAC__uint64 offset;
 
        FLAC__byte number;
 
        char isrc[13];
 
        unsigned type:1;
 
        unsigned pre_emphasis:1;
 
        FLAC__byte num_indices;
 
        FLAC__StreamMetadata_CueSheet_Index *indices;
 
} FLAC__StreamMetadata_CueSheet_Track;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN; 
 

typedef struct {
        char media_catalog_number[129];
 
        FLAC__uint64 lead_in;
 
        FLAC__bool is_cd;
 
        unsigned num_tracks;
 
        FLAC__StreamMetadata_CueSheet_Track *tracks;
 
} FLAC__StreamMetadata_CueSheet;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN; 
 

typedef enum {
        FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER = 0, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD = 1, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON = 2, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER = 3, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_BACK_COVER = 4, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_LEAFLET_PAGE = 5, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_MEDIA = 6, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_LEAD_ARTIST = 7, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_ARTIST = 8, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_CONDUCTOR = 9, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_BAND = 10, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_COMPOSER = 11, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_LYRICIST = 12, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_RECORDING_LOCATION = 13, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_DURING_RECORDING = 14, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_DURING_PERFORMANCE = 15, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_VIDEO_SCREEN_CAPTURE = 16, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_FISH = 17, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_ILLUSTRATION = 18, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_BAND_LOGOTYPE = 19, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_PUBLISHER_LOGOTYPE = 20, 
        FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED
} FLAC__StreamMetadata_Picture_Type;

extern FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[];

typedef struct {
        FLAC__StreamMetadata_Picture_Type type;
 
        char *mime_type;
 
        FLAC__byte *description;
 
        FLAC__uint32 width;
 
        FLAC__uint32 height;
 
        FLAC__uint32 depth;
 
        FLAC__uint32 colors;
 
        FLAC__uint32 data_length;
 
        FLAC__byte *data;
 
} FLAC__StreamMetadata_Picture;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_TYPE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_COLORS_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN; 
 

typedef struct {
        FLAC__byte *data;
} FLAC__StreamMetadata_Unknown;
 

typedef struct {
        FLAC__MetadataType type;
 
        FLAC__bool is_last;
 
        unsigned length;
 
        union {
                FLAC__StreamMetadata_StreamInfo stream_info;
                FLAC__StreamMetadata_Padding padding;
                FLAC__StreamMetadata_Application application;
                FLAC__StreamMetadata_SeekTable seek_table;
                FLAC__StreamMetadata_VorbisComment vorbis_comment;
                FLAC__StreamMetadata_CueSheet cue_sheet;
                FLAC__StreamMetadata_Picture picture;
                FLAC__StreamMetadata_Unknown unknown;
        } data;
} FLAC__StreamMetadata;
 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_TYPE_LEN; 
extern FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN; 

#define FLAC__STREAM_METADATA_HEADER_LENGTH (4u)
 
/*****************************************************************************/
 
 
/*****************************************************************************
 *
 * Utility functions
 *
 *****************************************************************************/

FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate);

FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(unsigned blocksize, unsigned sample_rate);

FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(unsigned sample_rate);

FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name);

FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, unsigned length);

FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, unsigned length);

FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table);

FLAC_API unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table);

FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation);

FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation);
 
/* \} */
 
#ifdef __cplusplus
}
#endif
 
#endif