FFmpeg
Functions
dca_xll.c File Reference
#include "libavutil/channel_layout.h"
#include "dcadec.h"
#include "dcadata.h"
#include "dcamath.h"
#include "dca_syncwords.h"
#include "internal.h"
#include "unary.h"

Go to the source code of this file.

Functions

static int get_linear (GetBitContext *gb, int n)
 
static int get_rice_un (GetBitContext *gb, int k)
 
static int get_rice (GetBitContext *gb, int k)
 
static void get_array (GetBitContext *gb, int32_t *array, int size, int n)
 
static void get_linear_array (GetBitContext *gb, int32_t *array, int size, int n)
 
static void get_rice_array (GetBitContext *gb, int32_t *array, int size, int k)
 
static int parse_dmix_coeffs (DCAXllDecoder *s, DCAXllChSet *c)
 
static int chs_parse_header (DCAXllDecoder *s, DCAXllChSet *c, DCAExssAsset *asset)
 
static int chs_alloc_msb_band_data (DCAXllDecoder *s, DCAXllChSet *c)
 
static int chs_alloc_lsb_band_data (DCAXllDecoder *s, DCAXllChSet *c)
 
static int chs_parse_band_data (DCAXllDecoder *s, DCAXllChSet *c, int band, int seg, int band_data_end)
 
static av_cold void chs_clear_band_data (DCAXllDecoder *s, DCAXllChSet *c, int band, int seg)
 
static void chs_filter_band_data (DCAXllDecoder *s, DCAXllChSet *c, int band)
 
static int chs_get_lsb_width (DCAXllDecoder *s, DCAXllChSet *c, int band, int ch)
 
static void chs_assemble_msbs_lsbs (DCAXllDecoder *s, DCAXllChSet *c, int band)
 
static int chs_assemble_freq_bands (DCAXllDecoder *s, DCAXllChSet *c)
 
static int parse_common_header (DCAXllDecoder *s)
 
static int is_hier_dmix_chset (DCAXllChSet *c)
 
static DCAXllChSetfind_next_hier_dmix_chset (DCAXllDecoder *s, DCAXllChSet *c)
 
static void prescale_down_mix (DCAXllChSet *c, DCAXllChSet *o)
 
static int parse_sub_headers (DCAXllDecoder *s, DCAExssAsset *asset)
 
static int parse_navi_table (DCAXllDecoder *s)
 
static int parse_band_data (DCAXllDecoder *s)
 
static int parse_frame (DCAXllDecoder *s, uint8_t *data, int size, DCAExssAsset *asset)
 
static void clear_pbr (DCAXllDecoder *s)
 
static int copy_to_pbr (DCAXllDecoder *s, uint8_t *data, int size, int delay)
 
static int parse_frame_no_pbr (DCAXllDecoder *s, uint8_t *data, int size, DCAExssAsset *asset)
 
static int parse_frame_pbr (DCAXllDecoder *s, uint8_t *data, int size, DCAExssAsset *asset)
 
int ff_dca_xll_parse (DCAXllDecoder *s, uint8_t *data, DCAExssAsset *asset)
 
static void undo_down_mix (DCAXllDecoder *s, DCAXllChSet *o, int band)
 
static void scale_down_mix (DCAXllDecoder *s, DCAXllChSet *o, int band)
 
static av_cold void force_lossy_output (DCAXllDecoder *s, DCAXllChSet *c)
 
static int combine_residual_frame (DCAXllDecoder *s, DCAXllChSet *c)
 
int ff_dca_xll_filter_frame (DCAXllDecoder *s, AVFrame *frame)
 
av_cold void ff_dca_xll_flush (DCAXllDecoder *s)
 
av_cold void ff_dca_xll_close (DCAXllDecoder *s)
 

Function Documentation

◆ get_linear()

static int get_linear ( GetBitContext gb,
int  n 
)
static

Definition at line 29 of file dca_xll.c.

Referenced by chs_parse_band_data(), chs_parse_header(), and get_linear_array().

◆ get_rice_un()

static int get_rice_un ( GetBitContext gb,
int  k 
)
static

Definition at line 35 of file dca_xll.c.

Referenced by get_rice().

◆ get_rice()

static int get_rice ( GetBitContext gb,
int  k 
)
static

Definition at line 41 of file dca_xll.c.

Referenced by chs_parse_band_data(), and get_rice_array().

◆ get_array()

static void get_array ( GetBitContext gb,
int32_t array,
int  size,
int  n 
)
static

Definition at line 47 of file dca_xll.c.

Referenced by chs_parse_band_data().

◆ get_linear_array()

static void get_linear_array ( GetBitContext gb,
int32_t array,
int  size,
int  n 
)
static

Definition at line 55 of file dca_xll.c.

Referenced by chs_parse_band_data().

◆ get_rice_array()

static void get_rice_array ( GetBitContext gb,
int32_t array,
int  size,
int  k 
)
static

Definition at line 65 of file dca_xll.c.

Referenced by chs_parse_band_data().

◆ parse_dmix_coeffs()

static int parse_dmix_coeffs ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 73 of file dca_xll.c.

Referenced by chs_parse_header().

◆ chs_parse_header()

static int chs_parse_header ( DCAXllDecoder s,
DCAXllChSet c,
DCAExssAsset asset 
)
static

Definition at line 118 of file dca_xll.c.

Referenced by parse_sub_headers().

◆ chs_alloc_msb_band_data()

static int chs_alloc_msb_band_data ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 388 of file dca_xll.c.

Referenced by parse_band_data().

◆ chs_alloc_lsb_band_data()

static int chs_alloc_lsb_band_data ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 411 of file dca_xll.c.

Referenced by parse_band_data().

◆ chs_parse_band_data()

static int chs_parse_band_data ( DCAXllDecoder s,
DCAXllChSet c,
int  band,
int  seg,
int  band_data_end 
)
static

Definition at line 444 of file dca_xll.c.

Referenced by parse_band_data().

◆ chs_clear_band_data()

static av_cold void chs_clear_band_data ( DCAXllDecoder s,
DCAXllChSet c,
int  band,
int  seg 
)
static

Definition at line 601 of file dca_xll.c.

Referenced by force_lossy_output(), and parse_band_data().

◆ chs_filter_band_data()

static void chs_filter_band_data ( DCAXllDecoder s,
DCAXllChSet c,
int  band 
)
static

Definition at line 629 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ chs_get_lsb_width()

static int chs_get_lsb_width ( DCAXllDecoder s,
DCAXllChSet c,
int  band,
int  ch 
)
static

Definition at line 694 of file dca_xll.c.

Referenced by chs_assemble_msbs_lsbs(), and combine_residual_frame().

◆ chs_assemble_msbs_lsbs()

static void chs_assemble_msbs_lsbs ( DCAXllDecoder s,
DCAXllChSet c,
int  band 
)
static

Definition at line 709 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ chs_assemble_freq_bands()

static int chs_assemble_freq_bands ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 731 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ parse_common_header()

static int parse_common_header ( DCAXllDecoder s)
static

Definition at line 767 of file dca_xll.c.

Referenced by parse_frame().

◆ is_hier_dmix_chset()

static int is_hier_dmix_chset ( DCAXllChSet c)
static

◆ find_next_hier_dmix_chset()

static DCAXllChSet* find_next_hier_dmix_chset ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 879 of file dca_xll.c.

Referenced by combine_residual_frame(), and parse_sub_headers().

◆ prescale_down_mix()

static void prescale_down_mix ( DCAXllChSet c,
DCAXllChSet o 
)
static

Definition at line 889 of file dca_xll.c.

Referenced by parse_sub_headers().

◆ parse_sub_headers()

static int parse_sub_headers ( DCAXllDecoder s,
DCAExssAsset asset 
)
static

Definition at line 905 of file dca_xll.c.

Referenced by parse_frame().

◆ parse_navi_table()

static int parse_navi_table ( DCAXllDecoder s)
static

Definition at line 953 of file dca_xll.c.

Referenced by parse_frame().

◆ parse_band_data()

static int parse_band_data ( DCAXllDecoder s)
static

Definition at line 1004 of file dca_xll.c.

Referenced by parse_frame().

◆ parse_frame()

static int parse_frame ( DCAXllDecoder s,
uint8_t *  data,
int  size,
DCAExssAsset asset 
)
static

Definition at line 1043 of file dca_xll.c.

Referenced by parse_frame_no_pbr(), and parse_frame_pbr().

◆ clear_pbr()

static void clear_pbr ( DCAXllDecoder s)
static

Definition at line 1064 of file dca_xll.c.

Referenced by ff_dca_xll_close(), ff_dca_xll_flush(), ff_dca_xll_parse(), and parse_frame_pbr().

◆ copy_to_pbr()

static int copy_to_pbr ( DCAXllDecoder s,
uint8_t *  data,
int  size,
int  delay 
)
static

Definition at line 1070 of file dca_xll.c.

Referenced by parse_frame_no_pbr().

◆ parse_frame_no_pbr()

static int parse_frame_no_pbr ( DCAXllDecoder s,
uint8_t *  data,
int  size,
DCAExssAsset asset 
)
static

Definition at line 1084 of file dca_xll.c.

Referenced by ff_dca_xll_parse().

◆ parse_frame_pbr()

static int parse_frame_pbr ( DCAXllDecoder s,
uint8_t *  data,
int  size,
DCAExssAsset asset 
)
static

Definition at line 1122 of file dca_xll.c.

Referenced by ff_dca_xll_parse().

◆ ff_dca_xll_parse()

int ff_dca_xll_parse ( DCAXllDecoder s,
uint8_t *  data,
DCAExssAsset asset 
)

Definition at line 1163 of file dca_xll.c.

Referenced by dcadec_decode_frame().

◆ undo_down_mix()

static void undo_down_mix ( DCAXllDecoder s,
DCAXllChSet o,
int  band 
)
static

Definition at line 1180 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ scale_down_mix()

static void scale_down_mix ( DCAXllDecoder s,
DCAXllChSet o,
int  band 
)
static

Definition at line 1211 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ force_lossy_output()

static av_cold void force_lossy_output ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 1239 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ combine_residual_frame()

static int combine_residual_frame ( DCAXllDecoder s,
DCAXllChSet c 
)
static

Definition at line 1256 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame().

◆ ff_dca_xll_filter_frame()

int ff_dca_xll_filter_frame ( DCAXllDecoder s,
AVFrame frame 
)

Definition at line 1324 of file dca_xll.c.

Referenced by dcadec_decode_frame().

◆ ff_dca_xll_flush()

av_cold void ff_dca_xll_flush ( DCAXllDecoder s)

Definition at line 1473 of file dca_xll.c.

Referenced by dcadec_flush().

◆ ff_dca_xll_close()

av_cold void ff_dca_xll_close ( DCAXllDecoder s)

Definition at line 1478 of file dca_xll.c.

Referenced by dcadec_close().