FLAC: include/FLAC/format.h Source File

Main Page | Modules | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Class Members | File Members

# format.h

Go to the documentation of this file.

    00001 /* libFLAC - Free Lossless Audio Codec library
    00002  * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
    00003  *
    00004  * Redistribution and use in source and binary forms, with or without
    00005  * modification, are permitted provided that the following conditions
    00006  * are met:
    00007  *
    00008  * - Redistributions of source code must retain the above copyright
    00009  * notice, this list of conditions and the following disclaimer.
    00010  *
    00011  * - Redistributions in binary form must reproduce the above copyright
    00012  * notice, this list of conditions and the following disclaimer in the
    00013  * documentation and/or other materials provided with the distribution.
    00014  *
    00015  * - Neither the name of the Xiph.org Foundation nor the names of its
    00016  * contributors may be used to endorse or promote products derived from
    00017  * this software without specific prior written permission.
    00018  *
    00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    00020  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    00021  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    00022  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
    00023  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    00024  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    00025  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    00026  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    00027  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    00028  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    00029  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00030  */
    00031
    00032 #ifndef FLAC__FORMAT_H
    00033 #define FLAC__FORMAT_H
    00034
    00035 #include "export.h"
    00036 #include "ordinals.h"
    00037
    00038 #ifdef __cplusplus
    00039 extern "C" {
    00040 #endif
    00041
    00086 /*
    00087     Most of the values described in this file are defined by the FLAC
    00088     format specification.  There is nothing to tune here.
    00089 */
    00090
    00092 #define FLAC__MAX_METADATA_TYPE_CODE (126u)
    00093
    00095 #define FLAC__MIN_BLOCK_SIZE (16u)
    00096
    00098 #define FLAC__MAX_BLOCK_SIZE (65535u)
    00099
    00102 #define FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ (4608u)
    00103
    00105 #define FLAC__MAX_CHANNELS (8u)
    00106
    00108 #define FLAC__MIN_BITS_PER_SAMPLE (4u)
    00109
    00111 #define FLAC__MAX_BITS_PER_SAMPLE (32u)
    00112
    00121 #define FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE (24u)
    00122
    00127 #define FLAC__MAX_SAMPLE_RATE (655350u)
    00128
    00130 #define FLAC__MAX_LPC_ORDER (32u)
    00131
    00134 #define FLAC__SUBSET_MAX_LPC_ORDER_48000HZ (12u)
    00135
    00139 #define FLAC__MIN_QLP_COEFF_PRECISION (5u)
    00140
    00144 #define FLAC__MAX_QLP_COEFF_PRECISION (15u)
    00145
    00147 #define FLAC__MAX_FIXED_ORDER (4u)
    00148
    00150 #define FLAC__MAX_RICE_PARTITION_ORDER (15u)
    00151
    00153 #define FLAC__SUBSET_MAX_RICE_PARTITION_ORDER (8u)
    00154
    00161 extern FLAC_API const char *FLAC__VERSION_STRING;
    00162
    00167 extern FLAC_API const char *FLAC__VENDOR_STRING;
    00168
    00170 extern FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4]; /* = "fLaC" */
    00171
    00175 extern FLAC_API const unsigned FLAC__STREAM_SYNC; /* = 0x664C6143 */
    00176
    00178 extern FLAC_API const unsigned FLAC__STREAM_SYNC_LEN; /* = 32 bits */
    00179
    00181 #define FLAC__STREAM_SYNC_LENGTH (4u)
    00182
    00183
    00184 /*****************************************************************************
    00185  *
    00186  * Subframe structures
    00187  *
    00188  *****************************************************************************/
    00189
    00190 /*****************************************************************************/
    00191
    00193 typedef enum {
    00194     FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE = 0,
    00198     FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 = 1
    00201 } FLAC__EntropyCodingMethodType;
    00202
    00208 extern FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[];
    00209
    00210
    00213 typedef struct {
    00214
    00215     unsigned *parameters;
    00218     unsigned *raw_bits;
    00223     unsigned capacity_by_order;
    00228 } FLAC__EntropyCodingMethod_PartitionedRiceContents;
    00229
    00232 typedef struct {
    00233
    00234     unsigned order;
    00237     const FLAC__EntropyCodingMethod_PartitionedRiceContents *contents;
    00240 } FLAC__EntropyCodingMethod_PartitionedRice;
    00241
    00242 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN;
    00243 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN;
    00244 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN;
    00245 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN;
    00247 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
    00249 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER;
    00254 typedef struct {
    00255     FLAC__EntropyCodingMethodType type;
    00256     union {
    00257         FLAC__EntropyCodingMethod_PartitionedRice partitioned_rice;
    00258     } data;
    00259 } FLAC__EntropyCodingMethod;
    00260
    00261 extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN;
    00263 /*****************************************************************************/
    00264
    00266 typedef enum {
    00267     FLAC__SUBFRAME_TYPE_CONSTANT = 0,
    00268     FLAC__SUBFRAME_TYPE_VERBATIM = 1,
    00269     FLAC__SUBFRAME_TYPE_FIXED = 2,
    00270     FLAC__SUBFRAME_TYPE_LPC = 3
    00271 } FLAC__SubframeType;
    00272
    00278 extern FLAC_API const char * const FLAC__SubframeTypeString[];
    00279
    00280
    00283 typedef struct {
    00284     FLAC__int32 value;
    00285 } FLAC__Subframe_Constant;
    00286
    00287
    00290 typedef struct {
    00291     const FLAC__int32 *data;
    00292 } FLAC__Subframe_Verbatim;
    00293
    00294
    00297 typedef struct {
    00298     FLAC__EntropyCodingMethod entropy_coding_method;
    00301     unsigned order;
    00304     FLAC__int32 warmup[FLAC__MAX_FIXED_ORDER];
    00307     const FLAC__int32 *residual;
    00309 } FLAC__Subframe_Fixed;
    00310
    00311
    00314 typedef struct {
    00315     FLAC__EntropyCodingMethod entropy_coding_method;
    00318     unsigned order;
    00321     unsigned qlp_coeff_precision;
    00324     int quantization_level;
    00327     FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER];
    00330     FLAC__int32 warmup[FLAC__MAX_LPC_ORDER];
    00333     const FLAC__int32 *residual;
    00335 } FLAC__Subframe_LPC;
    00336
    00337 extern FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN;
    00338 extern FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN;
    00343 typedef struct {
    00344     FLAC__SubframeType type;
    00345     union {
    00346         FLAC__Subframe_Constant constant;
    00347         FLAC__Subframe_Fixed fixed;
    00348         FLAC__Subframe_LPC lpc;
    00349         FLAC__Subframe_Verbatim verbatim;
    00350     } data;
    00351     unsigned wasted_bits;
    00352 } FLAC__Subframe;
    00353
    00361 extern FLAC_API const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN;
    00362 extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LEN;
    00363 extern FLAC_API const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN;
    00365 extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK;
    00366 extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK;
    00367 extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK;
    00368 extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK;
    00370 /*****************************************************************************/
    00371
    00372
    00373 /*****************************************************************************
    00374  *
    00375  * Frame structures
    00376  *
    00377  *****************************************************************************/
    00378
    00380 typedef enum {
    00381     FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT = 0,
    00382     FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE = 1,
    00383     FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE = 2,
    00384     FLAC__CHANNEL_ASSIGNMENT_MID_SIDE = 3
    00385 } FLAC__ChannelAssignment;
    00386
    00392 extern FLAC_API const char * const FLAC__ChannelAssignmentString[];
    00393
    00395 typedef enum {
    00396     FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER,
    00397     FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER
    00398 } FLAC__FrameNumberType;
    00399
    00405 extern FLAC_API const char * const FLAC__FrameNumberTypeString[];
    00406
    00407
    00410 typedef struct {
    00411     unsigned blocksize;
    00414     unsigned sample_rate;
    00417     unsigned channels;
    00420     FLAC__ChannelAssignment channel_assignment;
    00423     unsigned bits_per_sample;
    00426     FLAC__FrameNumberType number_type;
    00431     union {
    00432         FLAC__uint32 frame_number;
    00433         FLAC__uint64 sample_number;
    00434     } number;
    00438     FLAC__uint8 crc;
    00443 } FLAC__FrameHeader;
    00444
    00445 extern FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC;
    00446 extern FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC_LEN;
    00447 extern FLAC_API const unsigned FLAC__FRAME_HEADER_RESERVED_LEN;
    00448 extern FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN;
    00449 extern FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN;
    00450 extern FLAC_API const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN;
    00451 extern FLAC_API const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN;
    00452 extern FLAC_API const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN;
    00453 extern FLAC_API const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN;
    00454 extern FLAC_API const unsigned FLAC__FRAME_HEADER_CRC_LEN;
    00459 typedef struct {
    00460     FLAC__uint16 crc;
    00465 } FLAC__FrameFooter;
    00466
    00467 extern FLAC_API const unsigned FLAC__FRAME_FOOTER_CRC_LEN;
    00472 typedef struct {
    00473     FLAC__FrameHeader header;
    00474     FLAC__Subframe subframes[FLAC__MAX_CHANNELS];
    00475     FLAC__FrameFooter footer;
    00476 } FLAC__Frame;
    00477
    00478 /*****************************************************************************/
    00479
    00480
    00481 /*****************************************************************************
    00482  *
    00483  * Meta-data structures
    00484  *
    00485  *****************************************************************************/
    00486
    00488 typedef enum {
    00489
    00490     FLAC__METADATA_TYPE_STREAMINFO = 0,
    00493     FLAC__METADATA_TYPE_PADDING = 1,
    00496     FLAC__METADATA_TYPE_APPLICATION = 2,
    00499     FLAC__METADATA_TYPE_SEEKTABLE = 3,
    00502     FLAC__METADATA_TYPE_VORBIS_COMMENT = 4,
    00505     FLAC__METADATA_TYPE_CUESHEET = 5,
    00508     FLAC__METADATA_TYPE_PICTURE = 6,
    00511     FLAC__METADATA_TYPE_UNDEFINED = 7
    00514 } FLAC__MetadataType;
    00515
    00521 extern FLAC_API const char * const FLAC__MetadataTypeString[];
    00522
    00523
    00526 typedef struct {
    00527     unsigned min_blocksize, max_blocksize;
    00528     unsigned min_framesize, max_framesize;
    00529     unsigned sample_rate;
    00530     unsigned channels;
    00531     unsigned bits_per_sample;
    00532     FLAC__uint64 total_samples;
    00533     FLAC__byte md5sum[16];
    00534 } FLAC__StreamMetadata_StreamInfo;
    00535
    00536 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN;
    00537 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN;
    00538 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN;
    00539 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN;
    00540 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN;
    00541 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN;
    00542 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN;
    00543 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN;
    00544 extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN;
    00547 #define FLAC__STREAM_METADATA_STREAMINFO_LENGTH (34u)
    00548
    00551 typedef struct {
    00552     int dummy;
    00557 } FLAC__StreamMetadata_Padding;
    00558
    00559
    00562 typedef struct {
    00563     FLAC__byte id[4];
    00564     FLAC__byte *data;
    00565 } FLAC__StreamMetadata_Application;
    00566
    00567 extern FLAC_API const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN;
    00571 typedef struct {
    00572     FLAC__uint64 sample_number;
    00575     FLAC__uint64 stream_offset;
    00579     unsigned frame_samples;
    00581 } FLAC__StreamMetadata_SeekPoint;
    00582
    00583 extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN;
    00584 extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN;
    00585 extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN;
    00588 #define FLAC__STREAM_METADATA_SEEKPOINT_LENGTH (18u)
    00589
    00594 extern FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
    00595
    00596
    00609 typedef struct {
    00610     unsigned num_points;
    00611     FLAC__StreamMetadata_SeekPoint *points;
    00612 } FLAC__StreamMetadata_SeekTable;
    00613
    00614
    00621 typedef struct {
    00622     FLAC__uint32 length;
    00623     FLAC__byte *entry;
    00624 } FLAC__StreamMetadata_VorbisComment_Entry;
    00625
    00626 extern FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN;
    00631 typedef struct {
    00632     FLAC__StreamMetadata_VorbisComment_Entry vendor_string;
    00633     FLAC__uint32 num_comments;
    00634     FLAC__StreamMetadata_VorbisComment_Entry *comments;
    00635 } FLAC__StreamMetadata_VorbisComment;
    00636
    00637 extern FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN;
    00644 typedef struct {
    00645     FLAC__uint64 offset;
    00650     FLAC__byte number;
    00652 } FLAC__StreamMetadata_CueSheet_Index;
    00653
    00654 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN;
    00655 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN;
    00656 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN;
    00663 typedef struct {
    00664     FLAC__uint64 offset;
    00667     FLAC__byte number;
    00670     char isrc[13];
    00673     unsigned type:1;
    00676     unsigned pre_emphasis:1;
    00679     FLAC__byte num_indices;
    00682     FLAC__StreamMetadata_CueSheet_Index *indices;
    00685 } FLAC__StreamMetadata_CueSheet_Track;
    00686
    00687 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN;
    00688 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN;
    00689 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN;
    00690 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN;
    00691 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN;
    00692 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN;
    00693 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN;
    00700 typedef struct {
    00701     char media_catalog_number[129];
    00707     FLAC__uint64 lead_in;
    00710     FLAC__bool is_cd;
    00713     unsigned num_tracks;
    00716     FLAC__StreamMetadata_CueSheet_Track *tracks;
    00719 } FLAC__StreamMetadata_CueSheet;
    00720
    00721 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN;
    00722 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN;
    00723 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN;
    00724 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN;
    00725 extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN;
    00729 typedef enum {
    00730     FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER = 0,
    00731     FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD = 1,
    00732     FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON = 2,
    00733     FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER = 3,
    00734     FLAC__STREAM_METADATA_PICTURE_TYPE_BACK_COVER = 4,
    00735     FLAC__STREAM_METADATA_PICTURE_TYPE_LEAFLET_PAGE = 5,
    00736     FLAC__STREAM_METADATA_PICTURE_TYPE_MEDIA = 6,
    00737     FLAC__STREAM_METADATA_PICTURE_TYPE_LEAD_ARTIST = 7,
    00738     FLAC__STREAM_METADATA_PICTURE_TYPE_ARTIST = 8,
    00739     FLAC__STREAM_METADATA_PICTURE_TYPE_CONDUCTOR = 9,
    00740     FLAC__STREAM_METADATA_PICTURE_TYPE_BAND = 10,
    00741     FLAC__STREAM_METADATA_PICTURE_TYPE_COMPOSER = 11,
    00742     FLAC__STREAM_METADATA_PICTURE_TYPE_LYRICIST = 12,
    00743     FLAC__STREAM_METADATA_PICTURE_TYPE_RECORDING_LOCATION = 13,
    00744     FLAC__STREAM_METADATA_PICTURE_TYPE_DURING_RECORDING = 14,
    00745     FLAC__STREAM_METADATA_PICTURE_TYPE_DURING_PERFORMANCE = 15,
    00746     FLAC__STREAM_METADATA_PICTURE_TYPE_VIDEO_SCREEN_CAPTURE = 16,
    00747     FLAC__STREAM_METADATA_PICTURE_TYPE_FISH = 17,
    00748     FLAC__STREAM_METADATA_PICTURE_TYPE_ILLUSTRATION = 18,
    00749     FLAC__STREAM_METADATA_PICTURE_TYPE_BAND_LOGOTYPE = 19,
    00750     FLAC__STREAM_METADATA_PICTURE_TYPE_PUBLISHER_LOGOTYPE = 20,
    00751     FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED
    00752 } FLAC__StreamMetadata_Picture_Type;
    00753
    00760 extern FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[];
    00761
    00766 typedef struct {
    00767     FLAC__StreamMetadata_Picture_Type type;
    00770     char *mime_type;
    00781     FLAC__byte *description;
    00788     FLAC__uint32 width;
    00791     FLAC__uint32 height;
    00794     FLAC__uint32 depth;
    00797     FLAC__uint32 colors;
    00802     FLAC__uint32 data_length;
    00805     FLAC__byte *data;
    00808 } FLAC__StreamMetadata_Picture;
    00809
    00810 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_TYPE_LEN;
    00811 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN;
    00812 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN;
    00813 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN;
    00814 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN;
    00815 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN;
    00816 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_COLORS_LEN;
    00817 extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN;
    00824 typedef struct {
    00825     FLAC__byte *data;
    00826 } FLAC__StreamMetadata_Unknown;
    00827
    00828
    00831 typedef struct {
    00832     FLAC__MetadataType type;
    00837     FLAC__bool is_last;
    00840     unsigned length;
    00843     union {
    00844         FLAC__StreamMetadata_StreamInfo stream_info;
    00845         FLAC__StreamMetadata_Padding padding;
    00846         FLAC__StreamMetadata_Application application;
    00847         FLAC__StreamMetadata_SeekTable seek_table;
    00848         FLAC__StreamMetadata_VorbisComment vorbis_comment;
    00849         FLAC__StreamMetadata_CueSheet cue_sheet;
    00850         FLAC__StreamMetadata_Picture picture;
    00851         FLAC__StreamMetadata_Unknown unknown;
    00852     } data;
    00855 } FLAC__StreamMetadata;
    00856
    00857 extern FLAC_API const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN;
    00858 extern FLAC_API const unsigned FLAC__STREAM_METADATA_TYPE_LEN;
    00859 extern FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN;
    00862 #define FLAC__STREAM_METADATA_HEADER_LENGTH (4u)
    00863
    00864 /*****************************************************************************/
    00865
    00866
    00867 /*****************************************************************************
    00868  *
    00869  * Utility functions
    00870  *
    00871  *****************************************************************************/
    00872
    00880 FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate);
    00881
    00891 FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(unsigned sample_rate);
    00892
    00905 FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name);
    00906
    00921 FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, unsigned length);
    00922
    00938 FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, unsigned length);
    00939
    00950 FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table);
    00951
    00964 FLAC_API unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table);
    00965
    00984 FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation);
    00985
    01002 FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation);
    01003
    01004 /* \} */
    01005
    01006 #ifdef __cplusplus
    01007 }
    01008 #endif
    01009
    01010 #endif

Copyright (c) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson |