dca_xll.c File Reference

#include "libavutil/channel_layout.h"
#include "dcadec.h"
#include "dcadata.h"
#include "dcamath.h"
#include "dca_syncwords.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 DCAXllChSet *	find_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 28 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 34 of file dca_xll.c.

Referenced by get_rice().

get_rice()

static int get_rice ( GetBitContext *  gb, int  k  )

static

Definition at line 40 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 46 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 54 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 64 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 72 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 117 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 387 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 410 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 443 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 600 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 628 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 693 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 708 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 730 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 766 of file dca_xll.c.

Referenced by parse_frame().

is_hier_dmix_chset()

static int is_hier_dmix_chset ( DCAXllChSet *  c )

static

Definition at line 873 of file dca_xll.c.

Referenced by ff_dca_xll_filter_frame(), find_next_hier_dmix_chset(), and parse_sub_headers().

find_next_hier_dmix_chset()

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

static

Definition at line 878 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 888 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 904 of file dca_xll.c.

Referenced by parse_frame().

parse_navi_table()

static int parse_navi_table ( DCAXllDecoder *  s )

static

Definition at line 952 of file dca_xll.c.

Referenced by parse_frame().

parse_band_data()

static int parse_band_data ( DCAXllDecoder *  s )

static

Definition at line 1003 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 1042 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 1063 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 1069 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 1083 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 1121 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 1162 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 1179 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 1210 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 1238 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 1255 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 1323 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 1472 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 1477 of file dca_xll.c.

Referenced by dcadec_close().