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dcadsp.c File Reference
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/intreadwrite.h"
#include "dcadsp.h"

Go to the source code of this file.

Functions

static void decode_hf_c (float dst[DCA_SUBBANDS][8], const int32_t vq_num[DCA_SUBBANDS], const int8_t hf_vq[1024][32], intptr_t vq_offset, int32_t scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end)
 
static void dca_lfe_fir (float *out, const float *in, const float *coefs, int decifactor)
 
static void dca_qmf_32_subbands (float samples_in[32][8], int sb_act, SynthFilterContext *synth, FFTContext *imdct, float synth_buf_ptr[512], int *synth_buf_offset, float synth_buf2[32], const float window[512], float *samples_out, float raXin[32], float scale)
 
static void dca_lfe_fir0_c (float *out, const float *in, const float *coefs)
 
static void dca_lfe_fir1_c (float *out, const float *in, const float *coefs)
 
av_cold void ff_dcadsp_init (DCADSPContext *s)
 

Function Documentation

static void decode_hf_c ( float  dst[DCA_SUBBANDS][8],
const int32_t  vq_num[DCA_SUBBANDS],
const int8_t  hf_vq[1024][32],
intptr_t  vq_offset,
int32_t  scale[DCA_SUBBANDS][2],
intptr_t  start,
intptr_t  end 
)
static

Definition at line 27 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dca_lfe_fir ( float *  out,
const float *  in,
const float *  coefs,
int  decifactor 
)
inlinestatic

Definition at line 46 of file dcadsp.c.

Referenced by dca_lfe_fir0_c(), and dca_lfe_fir1_c().

static void dca_qmf_32_subbands ( float  samples_in[32][8],
int  sb_act,
SynthFilterContext synth,
FFTContext imdct,
float  synth_buf_ptr[512],
int *  synth_buf_offset,
float  synth_buf2[32],
const float  window[512],
float *  samples_out,
float  raXin[32],
float  scale 
)
static

Definition at line 66 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dca_lfe_fir0_c ( float *  out,
const float *  in,
const float *  coefs 
)
static

Definition at line 94 of file dcadsp.c.

Referenced by ff_dcadsp_init().

static void dca_lfe_fir1_c ( float *  out,
const float *  in,
const float *  coefs 
)
static

Definition at line 99 of file dcadsp.c.

Referenced by ff_dcadsp_init().

av_cold void ff_dcadsp_init ( DCADSPContext s)

Definition at line 104 of file dcadsp.c.

Referenced by dca_decode_init().