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new flac + fix protoc

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philippe44
2023-03-27 23:38:33 -07:00
parent 31184b6946
commit e070965990
20 changed files with 544 additions and 1584 deletions
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components/codecs/inc/FLAC/format.h
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@@ -1,6 +1,6 @@
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2014 Xiph.Org Foundation
* Copyright (C) 2011-2022 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -60,7 +60,7 @@ extern "C" {
* structures used by the rest of the interfaces.
*
* First, you should be familiar with the
* <A HREF="../format.html">FLAC format</A>. Many of the values here
* <A HREF="https://xiph.org/flac/format.html">FLAC format</A>. Many of the values here
* follow directly from the specification. As a user of libFLAC, the
* interesting parts really are the structures that describe the frame
* header and metadata blocks.
@@ -113,19 +113,16 @@ extern "C" {
/** The maximum sample resolution permitted by libFLAC.
*
* \warning
* FLAC__MAX_BITS_PER_SAMPLE is the limit of the FLAC format. However,
* the reference encoder/decoder is currently limited to 24 bits because
* of prevalent 32-bit math, so make sure and use this value when
* appropriate.
* the reference encoder/decoder used to be limited to 24 bits. This
* value was used to signal that limit.
*/
#define FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE (24u)
#define FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE (32u)
/** The maximum sample rate permitted by the format. The value is
* ((2 ^ 16) - 1) * 10; see <A HREF="../format.html">FLAC format</A>
* as to why.
* ((2 ^ 20) - 1)
*/
#define FLAC__MAX_SAMPLE_RATE (655350u)
#define FLAC__MAX_SAMPLE_RATE (1048575u)
/** The maximum LPC order permitted by the format. */
#define FLAC__MAX_LPC_ORDER (32u)
@@ -173,10 +170,10 @@ extern FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4]; /* = "fLaC" */
/** The 32-bit integer big-endian representation of the beginning of
* a FLAC stream.
*/
extern FLAC_API const unsigned FLAC__STREAM_SYNC; /* = 0x664C6143 */
extern FLAC_API const uint32_t FLAC__STREAM_SYNC; /* = 0x664C6143 */
/** The length of the FLAC signature in bits. */
extern FLAC_API const unsigned FLAC__STREAM_SYNC_LEN; /* = 32 bits */
extern FLAC_API const uint32_t FLAC__STREAM_SYNC_LEN; /* = 32 bits */
/** The length of the FLAC signature in bytes. */
#define FLAC__STREAM_SYNC_LENGTH (4u)
@@ -213,26 +210,26 @@ extern FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[];
*/
typedef struct {
unsigned *parameters;
uint32_t *parameters;
/**< The Rice parameters for each context. */
unsigned *raw_bits;
uint32_t *raw_bits;
/**< Widths for escape-coded partitions. Will be non-zero for escaped
* partitions and zero for unescaped partitions.
*/
unsigned capacity_by_order;
uint32_t capacity_by_order;
/**< The capacity of the \a parameters and \a raw_bits arrays
* specified as an order, i.e. the number of array elements
* allocated is 2 ^ \a capacity_by_order.
*/
} FLAC__EntropyCodingMethod_PartitionedRiceContents;
/** Header for a Rice partitioned residual. (c.f. <A HREF="../format.html#partitioned_rice">format specification</A>)
/** Header for a Rice partitioned residual. (c.f. <A HREF="https://xiph.org/flac/format.html#partitioned_rice">format specification</A>)
*/
typedef struct {
unsigned order;
uint32_t order;
/**< The partition order, i.e. # of contexts = 2 ^ \a order. */
const FLAC__EntropyCodingMethod_PartitionedRiceContents *contents;
@@ -240,17 +237,17 @@ typedef struct {
} FLAC__EntropyCodingMethod_PartitionedRice;
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN; /**< == 4 (bits) */
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; /**< == 4 (bits) */
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN; /**< == 5 (bits) */
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN; /**< == 5 (bits) */
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN; /**< == 4 (bits) */
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; /**< == 4 (bits) */
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN; /**< == 5 (bits) */
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN; /**< == 5 (bits) */
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
/**< == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER;
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER;
/**< == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN)-1 */
/** Header for the entropy coding method. (c.f. <A HREF="../format.html#residual">format specification</A>)
/** Header for the entropy coding method. (c.f. <A HREF="https://xiph.org/flac/format.html#residual">format specification</A>)
*/
typedef struct {
FLAC__EntropyCodingMethodType type;
@@ -259,7 +256,7 @@ typedef struct {
} data;
} FLAC__EntropyCodingMethod;
extern FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN; /**< == 2 (bits) */
extern FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_TYPE_LEN; /**< == 2 (bits) */
/*****************************************************************************/
@@ -279,30 +276,40 @@ typedef enum {
extern FLAC_API const char * const FLAC__SubframeTypeString[];
/** CONSTANT subframe. (c.f. <A HREF="../format.html#subframe_constant">format specification</A>)
/** CONSTANT subframe. (c.f. <A HREF="https://xiph.org/flac/format.html#subframe_constant">format specification</A>)
*/
typedef struct {
FLAC__int32 value; /**< The constant signal value. */
FLAC__int64 value; /**< The constant signal value. */
} FLAC__Subframe_Constant;
/** An enumeration of the possible verbatim subframe data types. */
typedef enum {
FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT32, /**< verbatim subframe has 32-bit int */
FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT64 /**< verbatim subframe has 64-bit int */
} FLAC__VerbatimSubframeDataType;
/** VERBATIM subframe. (c.f. <A HREF="../format.html#subframe_verbatim">format specification</A>)
/** VERBATIM subframe. (c.f. <A HREF="https://xiph.org/flac/format.html#subframe_verbatim">format specification</A>)
*/
typedef struct {
const FLAC__int32 *data; /**< A pointer to verbatim signal. */
union {
const FLAC__int32 *int32; /**< A FLAC__int32 pointer to verbatim signal. */
const FLAC__int64 *int64; /**< A FLAC__int64 pointer to verbatim signal. */
} data;
FLAC__VerbatimSubframeDataType data_type;
} FLAC__Subframe_Verbatim;
/** FIXED subframe. (c.f. <A HREF="../format.html#subframe_fixed">format specification</A>)
/** FIXED subframe. (c.f. <A HREF="https://xiph.org/flac/format.html#subframe_fixed">format specification</A>)
*/
typedef struct {
FLAC__EntropyCodingMethod entropy_coding_method;
/**< The residual coding method. */
unsigned order;
uint32_t order;
/**< The polynomial order. */
FLAC__int32 warmup[FLAC__MAX_FIXED_ORDER];
FLAC__int64 warmup[FLAC__MAX_FIXED_ORDER];
/**< Warmup samples to prime the predictor, length == order. */
const FLAC__int32 *residual;
@@ -310,16 +317,16 @@ typedef struct {
} FLAC__Subframe_Fixed;
/** LPC subframe. (c.f. <A HREF="../format.html#subframe_lpc">format specification</A>)
/** LPC subframe. (c.f. <A HREF="https://xiph.org/flac/format.html#subframe_lpc">format specification</A>)
*/
typedef struct {
FLAC__EntropyCodingMethod entropy_coding_method;
/**< The residual coding method. */
unsigned order;
uint32_t order;
/**< The FIR order. */
unsigned qlp_coeff_precision;
uint32_t qlp_coeff_precision;
/**< Quantized FIR filter coefficient precision in bits. */
int quantization_level;
@@ -328,18 +335,18 @@ typedef struct {
FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER];
/**< FIR filter coefficients. */
FLAC__int32 warmup[FLAC__MAX_LPC_ORDER];
FLAC__int64 warmup[FLAC__MAX_LPC_ORDER];
/**< Warmup samples to prime the predictor, length == order. */
const FLAC__int32 *residual;
/**< The residual signal, length == (blocksize minus order) samples. */
} FLAC__Subframe_LPC;
extern FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN; /**< == 4 (bits) */
extern FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN; /**< == 5 (bits) */
extern FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN; /**< == 4 (bits) */
extern FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN; /**< == 5 (bits) */
/** FLAC subframe structure. (c.f. <A HREF="../format.html#subframe">format specification</A>)
/** FLAC subframe structure. (c.f. <A HREF="https://xiph.org/flac/format.html#subframe">format specification</A>)
*/
typedef struct {
FLAC__SubframeType type;
@@ -349,7 +356,7 @@ typedef struct {
FLAC__Subframe_LPC lpc;
FLAC__Subframe_Verbatim verbatim;
} data;
unsigned wasted_bits;
uint32_t wasted_bits;
} FLAC__Subframe;
/** == 1 (bit)
@@ -359,14 +366,14 @@ typedef struct {
* mandatory value of \c 0 but in the future may take on the value \c 0 or \c 1
* to mean something else.
*/
extern FLAC_API const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN;
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LEN; /**< == 6 (bits) */
extern FLAC_API const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN; /**< == 1 (bit) */
extern FLAC_API const uint32_t FLAC__SUBFRAME_ZERO_PAD_LEN;
extern FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LEN; /**< == 6 (bits) */
extern FLAC_API const uint32_t FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN; /**< == 1 (bit) */
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK; /**< = 0x00 */
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK; /**< = 0x02 */
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK; /**< = 0x10 */
extern FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK; /**< = 0x40 */
extern FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK; /**< = 0x00 */
extern FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK; /**< = 0x02 */
extern FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK; /**< = 0x10 */
extern FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK; /**< = 0x40 */
/*****************************************************************************/
@@ -406,22 +413,22 @@ typedef enum {
extern FLAC_API const char * const FLAC__FrameNumberTypeString[];
/** FLAC frame header structure. (c.f. <A HREF="../format.html#frame_header">format specification</A>)
/** FLAC frame header structure. (c.f. <A HREF="https://xiph.org/flac/format.html#frame_header">format specification</A>)
*/
typedef struct {
unsigned blocksize;
uint32_t blocksize;
/**< The number of samples per subframe. */
unsigned sample_rate;
uint32_t sample_rate;
/**< The sample rate in Hz. */
unsigned channels;
uint32_t channels;
/**< The number of channels (== number of subframes). */
FLAC__ChannelAssignment channel_assignment;
/**< The channel assignment for the frame. */
unsigned bits_per_sample;
uint32_t bits_per_sample;
/**< The sample resolution. */
FLAC__FrameNumberType number_type;
@@ -443,19 +450,19 @@ typedef struct {
*/
} FLAC__FrameHeader;
extern FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC; /**< == 0x3ffe; the frame header sync code */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC_LEN; /**< == 14 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_RESERVED_LEN; /**< == 1 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN; /**< == 1 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN; /**< == 4 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN; /**< == 4 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN; /**< == 4 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN; /**< == 3 (bits) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN; /**< == 1 (bit) */
extern FLAC_API const unsigned FLAC__FRAME_HEADER_CRC_LEN; /**< == 8 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC; /**< == 0x3ffe; the frame header sync code */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC_LEN; /**< == 14 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_RESERVED_LEN; /**< == 1 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN; /**< == 1 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCK_SIZE_LEN; /**< == 4 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_SAMPLE_RATE_LEN; /**< == 4 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN; /**< == 4 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN; /**< == 3 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_ZERO_PAD_LEN; /**< == 1 (bit) */
extern FLAC_API const uint32_t FLAC__FRAME_HEADER_CRC_LEN; /**< == 8 (bits) */
/** FLAC frame footer structure. (c.f. <A HREF="../format.html#frame_footer">format specification</A>)
/** FLAC frame footer structure. (c.f. <A HREF="https://xiph.org/flac/format.html#frame_footer">format specification</A>)
*/
typedef struct {
FLAC__uint16 crc;
@@ -465,10 +472,10 @@ typedef struct {
*/
} FLAC__FrameFooter;
extern FLAC_API const unsigned FLAC__FRAME_FOOTER_CRC_LEN; /**< == 16 (bits) */
extern FLAC_API const uint32_t FLAC__FRAME_FOOTER_CRC_LEN; /**< == 16 (bits) */
/** FLAC frame structure. (c.f. <A HREF="../format.html#frame">format specification</A>)
/** FLAC frame structure. (c.f. <A HREF="https://xiph.org/flac/format.html#frame">format specification</A>)
*/
typedef struct {
FLAC__FrameHeader header;
@@ -489,31 +496,31 @@ typedef struct {
typedef enum {
FLAC__METADATA_TYPE_STREAMINFO = 0,
/**< <A HREF="../format.html#metadata_block_streaminfo">STREAMINFO</A> block */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_streaminfo">STREAMINFO</A> block */
FLAC__METADATA_TYPE_PADDING = 1,
/**< <A HREF="../format.html#metadata_block_padding">PADDING</A> block */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_padding">PADDING</A> block */
FLAC__METADATA_TYPE_APPLICATION = 2,
/**< <A HREF="../format.html#metadata_block_application">APPLICATION</A> block */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_application">APPLICATION</A> block */
FLAC__METADATA_TYPE_SEEKTABLE = 3,
/**< <A HREF="../format.html#metadata_block_seektable">SEEKTABLE</A> block */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_seektable">SEEKTABLE</A> block */
FLAC__METADATA_TYPE_VORBIS_COMMENT = 4,
/**< <A HREF="../format.html#metadata_block_vorbis_comment">VORBISCOMMENT</A> block (a.k.a. FLAC tags) */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_vorbis_comment">VORBISCOMMENT</A> block (a.k.a. FLAC tags) */
FLAC__METADATA_TYPE_CUESHEET = 5,
/**< <A HREF="../format.html#metadata_block_cuesheet">CUESHEET</A> block */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_cuesheet">CUESHEET</A> block */
FLAC__METADATA_TYPE_PICTURE = 6,
/**< <A HREF="../format.html#metadata_block_picture">PICTURE</A> block */
/**< <A HREF="https://xiph.org/flac/format.html#metadata_block_picture">PICTURE</A> block */
FLAC__METADATA_TYPE_UNDEFINED = 7,
/**< marker to denote beginning of undefined type range; this number will increase as new metadata types are added */
FLAC__MAX_METADATA_TYPE = FLAC__MAX_METADATA_TYPE_CODE,
/**< No type will ever be greater than this. There is not enough room in the protocol block. */
FLAC__MAX_METADATA_TYPE = FLAC__MAX_METADATA_TYPE_CODE,
/**< No type will ever be greater than this. There is not enough room in the protocol block. */
} FLAC__MetadataType;
/** Maps a FLAC__MetadataType to a C string.
@@ -524,32 +531,32 @@ typedef enum {
extern FLAC_API const char * const FLAC__MetadataTypeString[];
/** FLAC STREAMINFO structure. (c.f. <A HREF="../format.html#metadata_block_streaminfo">format specification</A>)
/** FLAC STREAMINFO structure. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block_streaminfo">format specification</A>)
*/
typedef struct {
unsigned min_blocksize, max_blocksize;
unsigned min_framesize, max_framesize;
unsigned sample_rate;
unsigned channels;
unsigned bits_per_sample;
uint32_t min_blocksize, max_blocksize;
uint32_t min_framesize, max_framesize;
uint32_t sample_rate;
uint32_t channels;
uint32_t 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; /**< == 16 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN; /**< == 16 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN; /**< == 24 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN; /**< == 24 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN; /**< == 20 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN; /**< == 3 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN; /**< == 5 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN; /**< == 36 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN; /**< == 128 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN; /**< == 16 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN; /**< == 16 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN; /**< == 24 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN; /**< == 24 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN; /**< == 20 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN; /**< == 3 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN; /**< == 5 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN; /**< == 36 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN; /**< == 128 (bits) */
/** The total stream length of the STREAMINFO block in bytes. */
#define FLAC__STREAM_METADATA_STREAMINFO_LENGTH (34u)
/** FLAC PADDING structure. (c.f. <A HREF="../format.html#metadata_block_padding">format specification</A>)
/** FLAC PADDING structure. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block_padding">format specification</A>)
*/
typedef struct {
int dummy;
@@ -560,16 +567,16 @@ typedef struct {
} FLAC__StreamMetadata_Padding;
/** FLAC APPLICATION structure. (c.f. <A HREF="../format.html#metadata_block_application">format specification</A>)
/** FLAC APPLICATION structure. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block_application">format specification</A>)
*/
typedef struct {
FLAC__byte id[4];
FLAC__byte *data;
} FLAC__StreamMetadata_Application;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_APPLICATION_ID_LEN; /**< == 32 (bits) */
/** SeekPoint structure used in SEEKTABLE blocks. (c.f. <A HREF="../format.html#seekpoint">format specification</A>)
/** SeekPoint structure used in SEEKTABLE blocks. (c.f. <A HREF="https://xiph.org/flac/format.html#seekpoint">format specification</A>)
*/
typedef struct {
FLAC__uint64 sample_number;
@@ -579,13 +586,13 @@ typedef struct {
/**< The offset, in bytes, of the target frame with respect to
* beginning of the first frame. */
unsigned frame_samples;
uint32_t frame_samples;
/**< The number of samples in the target frame. */
} FLAC__StreamMetadata_SeekPoint;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN; /**< == 64 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN; /**< == 64 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN; /**< == 16 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN; /**< == 64 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN; /**< == 64 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN; /**< == 16 (bits) */
/** The total stream length of a seek point in bytes. */
#define FLAC__STREAM_METADATA_SEEKPOINT_LENGTH (18u)
@@ -597,7 +604,7 @@ extern FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN
extern FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
/** FLAC SEEKTABLE structure. (c.f. <A HREF="../format.html#metadata_block_seektable">format specification</A>)
/** FLAC SEEKTABLE structure. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block_seektable">format specification</A>)
*
* \note From the format specification:
* - The seek points must be sorted by ascending sample number.
@@ -610,12 +617,12 @@ extern FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
* present in a stream.
*/
typedef struct {
unsigned num_points;
uint32_t num_points;
FLAC__StreamMetadata_SeekPoint *points;
} FLAC__StreamMetadata_SeekTable;
/** Vorbis comment entry structure used in VORBIS_COMMENT blocks. (c.f. <A HREF="../format.html#metadata_block_vorbis_comment">format specification</A>)
/** Vorbis comment entry structure used in VORBIS_COMMENT blocks. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block_vorbis_comment">format specification</A>)
*
* For convenience, the APIs maintain a trailing NUL character at the end of
* \a entry which is not counted toward \a length, i.e.
@@ -626,10 +633,10 @@ typedef struct {
FLAC__byte *entry;
} FLAC__StreamMetadata_VorbisComment_Entry;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN; /**< == 32 (bits) */
/** FLAC VORBIS_COMMENT structure. (c.f. <A HREF="../format.html#metadata_block_vorbis_comment">format specification</A>)
/** FLAC VORBIS_COMMENT structure. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block_vorbis_comment">format specification</A>)
*/
typedef struct {
FLAC__StreamMetadata_VorbisComment_Entry vendor_string;
@@ -637,11 +644,11 @@ typedef struct {
FLAC__StreamMetadata_VorbisComment_Entry *comments;
} FLAC__StreamMetadata_VorbisComment;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN; /**< == 32 (bits) */
/** FLAC CUESHEET track index structure. (See the
* <A HREF="../format.html#cuesheet_track_index">format specification</A> for
* <A HREF="https://xiph.org/flac/format.html#cuesheet_track_index">format specification</A> for
* the full description of each field.)
*/
typedef struct {
@@ -654,13 +661,13 @@ typedef struct {
/**< The index point number. */
} FLAC__StreamMetadata_CueSheet_Index;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN; /**< == 64 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN; /**< == 8 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN; /**< == 3*8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN; /**< == 64 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN; /**< == 8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN; /**< == 3*8 (bits) */
/** FLAC CUESHEET track structure. (See the
* <A HREF="../format.html#cuesheet_track">format specification</A> for
* <A HREF="https://xiph.org/flac/format.html#cuesheet_track">format specification</A> for
* the full description of each field.)
*/
typedef struct {
@@ -673,10 +680,10 @@ typedef struct {
char isrc[13];
/**< Track ISRC. This is a 12-digit alphanumeric code plus a trailing \c NUL byte */
unsigned type:1;
uint32_t type:1;
/**< The track type: 0 for audio, 1 for non-audio. */
unsigned pre_emphasis:1;
uint32_t pre_emphasis:1;
/**< The pre-emphasis flag: 0 for no pre-emphasis, 1 for pre-emphasis. */
FLAC__byte num_indices;
@@ -687,17 +694,17 @@ typedef struct {
} FLAC__StreamMetadata_CueSheet_Track;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN; /**< == 64 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN; /**< == 8 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN; /**< == 12*8 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN; /**< == 1 (bit) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN; /**< == 1 (bit) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN; /**< == 6+13*8 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN; /**< == 8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN; /**< == 64 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN; /**< == 8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN; /**< == 12*8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN; /**< == 1 (bit) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN; /**< == 1 (bit) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN; /**< == 6+13*8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN; /**< == 8 (bits) */
/** FLAC CUESHEET structure. (See the
* <A HREF="../format.html#metadata_block_cuesheet">format specification</A>
* <A HREF="https://xiph.org/flac/format.html#metadata_block_cuesheet">format specification</A>
* for the full description of each field.)
*/
typedef struct {
@@ -713,7 +720,7 @@ typedef struct {
FLAC__bool is_cd;
/**< \c true if CUESHEET corresponds to a Compact Disc, else \c false. */
unsigned num_tracks;
uint32_t num_tracks;
/**< The number of tracks. */
FLAC__StreamMetadata_CueSheet_Track *tracks;
@@ -721,11 +728,11 @@ typedef struct {
} FLAC__StreamMetadata_CueSheet;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN; /**< == 128*8 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN; /**< == 64 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN; /**< == 1 (bit) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN; /**< == 7+258*8 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN; /**< == 8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN; /**< == 128*8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN; /**< == 64 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN; /**< == 1 (bit) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN; /**< == 7+258*8 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN; /**< == 8 (bits) */
/** An enumeration of the PICTURE types (see FLAC__StreamMetadataPicture and id3 v2.4 APIC tag). */
@@ -763,7 +770,7 @@ typedef enum {
extern FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[];
/** FLAC PICTURE structure. (See the
* <A HREF="../format.html#metadata_block_picture">format specification</A>
* <A HREF="https://xiph.org/flac/format.html#metadata_block_picture">format specification</A>
* for the full description of each field.)
*/
typedef struct {
@@ -810,14 +817,14 @@ typedef struct {
} FLAC__StreamMetadata_Picture;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_TYPE_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_COLORS_LEN; /**< == 32 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_TYPE_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_COLORS_LEN; /**< == 32 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN; /**< == 32 (bits) */
/** Structure that is used when a metadata block of unknown type is loaded.
@@ -829,9 +836,9 @@ typedef struct {
} FLAC__StreamMetadata_Unknown;
/** FLAC metadata block structure. (c.f. <A HREF="../format.html#metadata_block">format specification</A>)
/** FLAC metadata block structure. (c.f. <A HREF="https://xiph.org/flac/format.html#metadata_block">format specification</A>)
*/
typedef struct {
typedef struct FLAC__StreamMetadata {
FLAC__MetadataType type;
/**< The type of the metadata block; used determine which member of the
* \a data union to dereference. If type >= FLAC__METADATA_TYPE_UNDEFINED
@@ -840,7 +847,7 @@ typedef struct {
FLAC__bool is_last;
/**< \c true if this metadata block is the last, else \a false */
unsigned length;
uint32_t length;
/**< Length, in bytes, of the block data as it appears in the stream. */
union {
@@ -857,9 +864,9 @@ typedef struct {
* to use. */
} FLAC__StreamMetadata;
extern FLAC_API const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN; /**< == 1 (bit) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_TYPE_LEN; /**< == 7 (bits) */
extern FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN; /**< == 24 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_IS_LAST_LEN; /**< == 1 (bit) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_TYPE_LEN; /**< == 7 (bits) */
extern FLAC_API const uint32_t FLAC__STREAM_METADATA_LENGTH_LEN; /**< == 24 (bits) */
/** The total stream length of a metadata block header in bytes. */
#define FLAC__STREAM_METADATA_HEADER_LENGTH (4u)
@@ -880,7 +887,7 @@ extern FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN; /**< == 24 (bit
* \c true if the given sample rate conforms to the specification, else
* \c false.
*/
FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate);
FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(uint32_t sample_rate);
/** Tests that a blocksize at the given sample rate is valid for the FLAC
* subset.
@@ -892,7 +899,7 @@ FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate);
* \c true if the given blocksize conforms to the specification for the
* subset at the given sample rate, else \c false.
*/
FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(unsigned blocksize, unsigned sample_rate);
FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(uint32_t blocksize, uint32_t sample_rate);
/** Tests that a sample rate is valid for the FLAC subset. The subset rules
* for valid sample rates are slightly more complex since the rate has to
@@ -903,7 +910,7 @@ FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(unsigned blocksize, unsigne
* \c true if the given sample rate conforms to the specification for the
* subset, else \c false.
*/
FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(unsigned sample_rate);
FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(uint32_t sample_rate);
/** Check a Vorbis comment entry name to see if it conforms to the Vorbis
* comment specification.
@@ -926,14 +933,14 @@ FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *n
*
* \param value A string to be checked.
* \param length A the length of \a value in bytes. May be
* \c (unsigned)(-1) to indicate that \a value is a plain
* \c (uint32_t)(-1) to indicate that \a value is a plain
* UTF-8 NUL-terminated string.
* \assert
* \code value != NULL \endcode
* \retval FLAC__bool
* \c false if entry name is illegal, else \c true.
*/
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_value_is_legal(const FLAC__byte *value, uint32_t length);
/** Check a Vorbis comment entry to see if it conforms to the Vorbis
* comment specification.
@@ -950,7 +957,7 @@ FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__
* \retval FLAC__bool
* \c false if entry name is illegal, else \c true.
*/
FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, unsigned length);
FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, uint32_t length);
/** Check a seek table to see if it conforms to the FLAC specification.
* See the format specification for limits on the contents of the
@@ -973,10 +980,10 @@ FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_S
* \param seek_table A pointer to a seek table to be sorted.
* \assert
* \code seek_table != NULL \endcode
* \retval unsigned
* \retval uint32_t
* The number of duplicate seek points converted into placeholders.
*/
FLAC_API unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table);
FLAC_API uint32_t FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table);
/** Check a cue sheet to see if it conforms to the FLAC specification.
* See the format specification for limits on the contents of the