TTA (The Lossless True Audio) decoder. More...
#include <limits.h>
#include "avcodec.h"
#include "internal.h"
#include "get_bits.h"
#include "libavutil/crc.h"
Go to the source code of this file.
Data Structures | |
struct | TTAFilter |
struct | TTARice |
struct | TTAChannel |
struct | TTAContext |
Macros | |
#define | BITSTREAM_READER_LE |
#define | FORMAT_SIMPLE 1 |
#define | FORMAT_ENCRYPTED 2 |
#define | MAX_ORDER 16 |
#define | UNFOLD(x) (((x)&1) ? (++(x)>>1) : (-(x)>>1)) |
#define | PRED(x, k) (int32_t)((((uint64_t)x << k) - x) >> k) |
Typedefs | |
typedef struct TTAFilter | TTAFilter |
typedef struct TTARice | TTARice |
typedef struct TTAChannel | TTAChannel |
typedef struct TTAContext | TTAContext |
Functions | |
static void | ttafilter_init (TTAFilter *c, int32_t shift, int32_t mode) |
static void | memshl (register int32_t *a, register int32_t *b) |
static void | ttafilter_process (TTAFilter *c, int32_t *in, int32_t mode) |
static void | rice_init (TTARice *c, uint32_t k0, uint32_t k1) |
static int | tta_get_unary (GetBitContext *gb) |
static int | tta_check_crc (TTAContext *s, const uint8_t *buf, int buf_size) |
static av_cold int | tta_decode_init (AVCodecContext *avctx) |
static int | tta_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) |
static av_cold int | tta_decode_close (AVCodecContext *avctx) |
Variables | |
static const uint32_t | shift_1 [] |
static const uint32_t *const | shift_16 = shift_1 + 4 |
static const int32_t | ttafilter_configs [4][2] |
AVCodec | ff_tta_decoder |
TTA (The Lossless True Audio) decoder.
Definition in file tta.c.
#define FORMAT_ENCRYPTED 2 |
Definition at line 39 of file tta.c.
Referenced by tta_decode_init().
#define PRED | ( | x, | |
k | |||
) | (int32_t)((((uint64_t)x << k) - x) >> k) |
Referenced by tta_decode_frame().
#define UNFOLD | ( | x | ) | (((x)&1) ? (++(x)>>1) : (-(x)>>1)) |
Referenced by tta_decode_frame().
typedef struct TTAChannel TTAChannel |
typedef struct TTAContext TTAContext |
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inlinestatic |
Definition at line 105 of file tta.c.
Referenced by ttafilter_process().
Definition at line 177 of file tta.c.
Referenced by tta_decode_frame().
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Definition at line 195 of file tta.c.
Referenced by tta_decode_frame(), and tta_decode_init().
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Definition at line 185 of file tta.c.
Referenced by tta_decode_frame().
Definition at line 96 of file tta.c.
Referenced by tta_decode_frame().
Definition at line 118 of file tta.c.
Referenced by tta_decode_frame().
AVCodec ff_tta_decoder |
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Definition at line 74 of file tta.c.
Referenced by tta_decode_frame(), and ttafilter_init().
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Definition at line 87 of file tta.c.
Referenced by rice_init(), and tta_decode_frame().
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Definition at line 89 of file tta.c.
Referenced by tta_decode_frame().