FFmpeg
dcadsp.h
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20 
21 #ifndef AVCODEC_DCADSP_H
22 #define AVCODEC_DCADSP_H
23 
24 #include "libavutil/common.h"
25 
26 #include "fft.h"
27 #include "dcadct.h"
28 #include "synth_filter.h"
29 
30 typedef struct DCADSPContext {
31  void (*decode_hf)(int32_t **dst,
32  const int32_t *vq_index,
33  const int8_t hf_vq[1024][32],
34  int32_t scale_factors[32][2],
35  ptrdiff_t sb_start, ptrdiff_t sb_end,
36  ptrdiff_t ofs, ptrdiff_t len);
37 
38  void (*decode_joint)(int32_t **dst, int32_t **src,
39  const int32_t *scale_factors,
40  ptrdiff_t sb_start, ptrdiff_t sb_end,
41  ptrdiff_t ofs, ptrdiff_t len);
42 
43  void (*lfe_fir_float[2])(float *pcm_samples, int32_t *lfe_samples,
44  const float *filter_coeff, ptrdiff_t npcmblocks);
45 
46  void (*lfe_x96_float)(float *dst, const float *src,
47  float *hist, ptrdiff_t len);
48 
49  void (*sub_qmf_float[2])(SynthFilterContext *synth,
50  FFTContext *imdct,
51  float *pcm_samples,
52  int32_t **subband_samples_lo,
53  int32_t **subband_samples_hi,
54  float *hist1, int *offset, float *hist2,
55  const float *filter_coeff, ptrdiff_t npcmblocks,
56  float scale);
57 
58  void (*lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples,
59  const int32_t *filter_coeff, ptrdiff_t npcmblocks);
60 
61  void (*lfe_x96_fixed)(int32_t *dst, const int32_t *src,
62  int32_t *hist, ptrdiff_t len);
63 
64  void (*sub_qmf_fixed[2])(SynthFilterContext *synth,
65  DCADCTContext *imdct,
66  int32_t *pcm_samples,
67  int32_t **subband_samples_lo,
68  int32_t **subband_samples_hi,
69  int32_t *hist1, int *offset, int32_t *hist2,
70  const int32_t *filter_coeff, ptrdiff_t npcmblocks);
71 
72  void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
73 
74  void (*dmix_sub_xch)(int32_t *dst1, int32_t *dst2,
75  const int32_t *src, ptrdiff_t len);
76 
77  void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
78 
79  void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
80 
81  void (*dmix_scale)(int32_t *dst, int scale, ptrdiff_t len);
82 
83  void (*dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len);
84 
86  const int32_t *coeff, ptrdiff_t len);
87 
88  void (*lbr_bank)(float output[32][4], float **input,
89  const float *coeff, ptrdiff_t ofs, ptrdiff_t len);
90 
91  void (*lfe_iir)(float *output, const float *input,
92  const float iir[5][4], float hist[5][2],
93  ptrdiff_t factor);
95 
98 
99 #endif
DCADSPContext::assemble_freq_bands
void(* assemble_freq_bands)(int32_t *dst, int32_t *src0, int32_t *src1, const int32_t *coeff, ptrdiff_t len)
Definition: dcadsp.h:85
synth_filter.h
DCADSPContext::decode_hf
void(* decode_hf)(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)
Definition: dcadsp.h:31
output
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
Definition: filter_design.txt:225
dcadct.h
DCADSPContext::dmix_scale_inv
void(* dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len)
Definition: dcadsp.h:83
DCADSPContext::sub_qmf_float
void(* sub_qmf_float[2])(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)
Definition: dcadsp.h:49
DCADSPContext::dmix_sub_xch
void(* dmix_sub_xch)(int32_t *dst1, int32_t *dst2, const int32_t *src, ptrdiff_t len)
Definition: dcadsp.h:74
SynthFilterContext
Definition: synth_filter.h:27
scale
static av_always_inline float scale(float x, float s)
Definition: vf_v360.c:1377
DCADSPContext::lfe_x96_fixed
void(* lfe_x96_fixed)(int32_t *dst, const int32_t *src, int32_t *hist, ptrdiff_t len)
Definition: dcadsp.h:61
av_cold
#define av_cold
Definition: attributes.h:90
s
#define s(width, name)
Definition: cbs_vp9.c:257
DCADCTContext
Definition: dcadct.h:26
DCADSPContext::dmix_sub
void(* dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
Definition: dcadsp.h:77
ff_dcadsp_init
av_cold void ff_dcadsp_init(DCADSPContext *s)
Definition: dcadsp.c:459
DCADSPContext::dmix_scale
void(* dmix_scale)(int32_t *dst, int scale, ptrdiff_t len)
Definition: dcadsp.h:81
src
#define src
Definition: vp8dsp.c:255
DCADSPContext::sub_qmf_fixed
void(* sub_qmf_fixed[2])(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)
Definition: dcadsp.h:64
DCADSPContext
Definition: dcadsp.h:30
DCADSPContext::lfe_iir
void(* lfe_iir)(float *output, const float *input, const float iir[5][4], float hist[5][2], ptrdiff_t factor)
Definition: dcadsp.h:91
DCADSPContext::lbr_bank
void(* lbr_bank)(float output[32][4], float **input, const float *coeff, ptrdiff_t ofs, ptrdiff_t len)
Definition: dcadsp.h:88
offset
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
Definition: writing_filters.txt:86
input
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some input
Definition: filter_design.txt:172
src0
#define src0
Definition: h264pred.c:139
DCADSPContext::dmix_add
void(* dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
Definition: dcadsp.h:79
src1
#define src1
Definition: h264pred.c:140
FFTContext
Definition: fft.h:75
common.h
DCADSPContext::lfe_x96_float
void(* lfe_x96_float)(float *dst, const float *src, float *hist, ptrdiff_t len)
Definition: dcadsp.h:46
len
int len
Definition: vorbis_enc_data.h:426
fft.h
factor
static const int factor[16]
Definition: vf_pp7.c:76
DCADSPContext::decode_joint
void(* decode_joint)(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)
Definition: dcadsp.h:38
int32_t
int32_t
Definition: audioconvert.c:56
ff_dcadsp_init_x86
av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
Definition: dcadsp_init.c:36
coeff
static const double coeff[2][5]
Definition: vf_owdenoise.c:78
DCADSPContext::lfe_fir_float
void(* lfe_fir_float[2])(float *pcm_samples, int32_t *lfe_samples, const float *filter_coeff, ptrdiff_t npcmblocks)
Definition: dcadsp.h:43
DCADSPContext::lfe_fir_fixed
void(* lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples, const int32_t *filter_coeff, ptrdiff_t npcmblocks)
Definition: dcadsp.h:58
DCADSPContext::decor
void(* decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
Definition: dcadsp.h:72