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().