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dcadsp.c File Reference
#include "libavutil/mem.h"
#include "dcadsp.h"
#include "dcamath.h"

Go to the source code of this file.

Functions

static void decode_hf_c (int32_t **dst, const int32_t *vq_index, const int8_t hf_vq[1024][32], int32_t scale_factors[32][2], ptrdiff_t sb_start, ptrdiff_t sb_end, ptrdiff_t ofs, ptrdiff_t len)
 
static void decode_joint_c (int32_t **dst, int32_t **src, const int32_t *scale_factors, ptrdiff_t sb_start, ptrdiff_t sb_end, ptrdiff_t ofs, ptrdiff_t len)
 
static void lfe_fir_float_c (float *pcm_samples, int32_t *lfe_samples, const float *filter_coeff, ptrdiff_t npcmblocks, int dec_select)
 
static void lfe_fir0_float_c (float *pcm_samples, int32_t *lfe_samples, const float *filter_coeff, ptrdiff_t npcmblocks)
 
static void lfe_fir1_float_c (float *pcm_samples, int32_t *lfe_samples, const float *filter_coeff, ptrdiff_t npcmblocks)
 
static void lfe_x96_float_c (float *dst, const float *src, float *hist, ptrdiff_t len)
 
static void sub_qmf32_float_c (SynthFilterContext *synth, FFTContext *imdct, float *pcm_samples, int32_t **subband_samples_lo, int32_t **subband_samples_hi, float *hist1, int *offset, float *hist2, const float *filter_coeff, ptrdiff_t npcmblocks, float scale)
 
static void sub_qmf64_float_c (SynthFilterContext *synth, FFTContext *imdct, float *pcm_samples, int32_t **subband_samples_lo, int32_t **subband_samples_hi, float *hist1, int *offset, float *hist2, const float *filter_coeff, ptrdiff_t npcmblocks, float scale)
 
static void lfe_fir_fixed_c (int32_t *pcm_samples, int32_t *lfe_samples, const int32_t *filter_coeff, ptrdiff_t npcmblocks)
 
static void lfe_x96_fixed_c (int32_t *dst, const int32_t *src, int32_t *hist, ptrdiff_t len)
 
static void sub_qmf32_fixed_c (SynthFilterContext *synth, DCADCTContext *imdct, int32_t *pcm_samples, int32_t **subband_samples_lo, int32_t **subband_samples_hi, int32_t *hist1, int *offset, int32_t *hist2, const int32_t *filter_coeff, ptrdiff_t npcmblocks)
 
static void sub_qmf64_fixed_c (SynthFilterContext *synth, DCADCTContext *imdct, int32_t *pcm_samples, int32_t **subband_samples_lo, int32_t **subband_samples_hi, int32_t *hist1, int *offset, int32_t *hist2, const int32_t *filter_coeff, ptrdiff_t npcmblocks)
 
static void decor_c (int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
 
static void dmix_sub_xch_c (int32_t *dst1, int32_t *dst2, const int32_t *src, ptrdiff_t len)
 
static void dmix_sub_c (int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
 
static void dmix_add_c (int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
 
static void dmix_scale_c (int32_t *dst, int scale, ptrdiff_t len)
 
static void dmix_scale_inv_c (int32_t *dst, int scale_inv, ptrdiff_t len)
 
static void filter0 (int32_t *dst, const int32_t *src, int32_t coeff, ptrdiff_t len)
 
static void filter1 (int32_t *dst, const int32_t *src, int32_t coeff, ptrdiff_t len)
 
static void assemble_freq_bands_c (int32_t *dst, int32_t *src0, int32_t *src1, const int32_t *coeff, ptrdiff_t len)
 
static void lbr_bank_c (float output[32][4], float **input, const float *coeff, ptrdiff_t ofs, ptrdiff_t len)
 
static void lfe_iir_c (float *output, const float *input, const float iir[5][4], float hist[5][2], ptrdiff_t factor)
 
av_cold void ff_dcadsp_init (DCADSPContext *s)
 

Function Documentation

static void decode_hf_c ( int32_t **  dst,
const int32_t vq_index,
const int8_t  hf_vq[1024][32],
int32_t  scale_factors[32][2],
ptrdiff_t  sb_start,
ptrdiff_t  sb_end,
ptrdiff_t  ofs,
ptrdiff_t  len 
)
static

Definition at line 26 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void decode_joint_c ( int32_t **  dst,
int32_t **  src,
const int32_t scale_factors,
ptrdiff_t  sb_start,
ptrdiff_t  sb_end,
ptrdiff_t  ofs,
ptrdiff_t  len 
)
static

Definition at line 43 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lfe_fir_float_c ( float *  pcm_samples,
int32_t lfe_samples,
const float *  filter_coeff,
ptrdiff_t  npcmblocks,
int  dec_select 
)
static

Definition at line 57 of file dcadsp.c.

Referenced by lfe_fir0_float_c(), and lfe_fir1_float_c().

static void lfe_fir0_float_c ( float *  pcm_samples,
int32_t lfe_samples,
const float *  filter_coeff,
ptrdiff_t  npcmblocks 
)
static

Definition at line 87 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lfe_fir1_float_c ( float *  pcm_samples,
int32_t lfe_samples,
const float *  filter_coeff,
ptrdiff_t  npcmblocks 
)
static

Definition at line 93 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lfe_x96_float_c ( float *  dst,
const float *  src,
float *  hist,
ptrdiff_t  len 
)
static

Definition at line 99 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void sub_qmf32_float_c ( SynthFilterContext synth,
FFTContext imdct,
float *  pcm_samples,
int32_t **  subband_samples_lo,
int32_t **  subband_samples_hi,
float *  hist1,
int offset,
float *  hist2,
const float *  filter_coeff,
ptrdiff_t  npcmblocks,
float  scale 
)
static

Definition at line 116 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void sub_qmf64_float_c ( SynthFilterContext synth,
FFTContext imdct,
float *  pcm_samples,
int32_t **  subband_samples_lo,
int32_t **  subband_samples_hi,
float *  hist1,
int offset,
float *  hist2,
const float *  filter_coeff,
ptrdiff_t  npcmblocks,
float  scale 
)
static

Definition at line 145 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lfe_fir_fixed_c ( int32_t pcm_samples,
int32_t lfe_samples,
const int32_t filter_coeff,
ptrdiff_t  npcmblocks 
)
static

Definition at line 194 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lfe_x96_fixed_c ( int32_t dst,
const int32_t src,
int32_t hist,
ptrdiff_t  len 
)
static

Definition at line 221 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void sub_qmf32_fixed_c ( SynthFilterContext synth,
DCADCTContext imdct,
int32_t pcm_samples,
int32_t **  subband_samples_lo,
int32_t **  subband_samples_hi,
int32_t hist1,
int offset,
int32_t hist2,
const int32_t filter_coeff,
ptrdiff_t  npcmblocks 
)
static

Definition at line 238 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void sub_qmf64_fixed_c ( SynthFilterContext synth,
DCADCTContext imdct,
int32_t pcm_samples,
int32_t **  subband_samples_lo,
int32_t **  subband_samples_hi,
int32_t hist1,
int offset,
int32_t hist2,
const int32_t filter_coeff,
ptrdiff_t  npcmblocks 
)
static

Definition at line 262 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void decor_c ( int32_t dst,
const int32_t src,
int  coeff,
ptrdiff_t  len 
)
static

Definition at line 298 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dmix_sub_xch_c ( int32_t dst1,
int32_t dst2,
const int32_t src,
ptrdiff_t  len 
)
static

Definition at line 306 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dmix_sub_c ( int32_t dst,
const int32_t src,
int  coeff,
ptrdiff_t  len 
)
static

Definition at line 318 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dmix_add_c ( int32_t dst,
const int32_t src,
int  coeff,
ptrdiff_t  len 
)
static

Definition at line 326 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dmix_scale_c ( int32_t dst,
int  scale,
ptrdiff_t  len 
)
static

Definition at line 334 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dmix_scale_inv_c ( int32_t dst,
int  scale_inv,
ptrdiff_t  len 
)
static

Definition at line 342 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void filter0 ( int32_t dst,
const int32_t src,
int32_t  coeff,
ptrdiff_t  len 
)
static

Definition at line 350 of file dcadsp.c.

Referenced by assemble_freq_bands_c(), hevc_idct_8x32_column_msa(), and set_filter().

static void filter1 ( int32_t dst,
const int32_t src,
int32_t  coeff,
ptrdiff_t  len 
)
static

Definition at line 358 of file dcadsp.c.

Referenced by apply_ir_filter(), assemble_freq_bands_c(), and hevc_idct_8x32_column_msa().

static void assemble_freq_bands_c ( int32_t dst,
int32_t src0,
int32_t src1,
const int32_t coeff,
ptrdiff_t  len 
)
static

Definition at line 366 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lbr_bank_c ( float  output[32][4],
float **  input,
const float *  coeff,
ptrdiff_t  ofs,
ptrdiff_t  len 
)
static

Definition at line 388 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void lfe_iir_c ( float *  output,
const float *  input,
const float  iir[5][4],
float  hist[5][2],
ptrdiff_t  factor 
)
static

Definition at line 434 of file dcadsp.c.

Referenced by ff_dcadsp_init().

av_cold void ff_dcadsp_init ( DCADSPContext s)

Definition at line 459 of file dcadsp.c.

Referenced by dcadec_init().