FFmpeg
dcadsp.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2016 foo86
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef AVCODEC_DCADSP_H
22 #define AVCODEC_DCADSP_H
23 
24 #include "libavutil/common.h"
25 #include "libavutil/tx.h"
26 
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  AVTXContext *imdct,
51  av_tx_fn imdct_fn,
52  float *pcm_samples,
53  int32_t **subband_samples_lo,
54  int32_t **subband_samples_hi,
55  float *hist1, int *offset, float *hist2,
56  const float *filter_coeff, ptrdiff_t npcmblocks,
57  float scale);
58 
59  void (*lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples,
60  const int32_t *filter_coeff, ptrdiff_t npcmblocks);
61 
62  void (*lfe_x96_fixed)(int32_t *dst, const int32_t *src,
63  int32_t *hist, ptrdiff_t len);
64 
65  void (*sub_qmf_fixed[2])(SynthFilterContext *synth,
66  DCADCTContext *imdct,
67  int32_t *pcm_samples,
68  int32_t **subband_samples_lo,
69  int32_t **subband_samples_hi,
70  int32_t *hist1, int *offset, int32_t *hist2,
71  const int32_t *filter_coeff, ptrdiff_t npcmblocks);
72 
73  void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
74 
75  void (*dmix_sub_xch)(int32_t *dst1, int32_t *dst2,
76  const int32_t *src, ptrdiff_t len);
77 
78  void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
79 
80  void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
81 
82  void (*dmix_scale)(int32_t *dst, int scale, ptrdiff_t len);
83 
84  void (*dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len);
85 
87  const int32_t *coeff, ptrdiff_t len);
88 
89  void (*lbr_bank)(float output[32][4], float **input,
90  const float *coeff, ptrdiff_t ofs, ptrdiff_t len);
91 
92  void (*lfe_iir)(float *output, const float *input,
93  const float iir[5][4], float hist[5][2],
94  ptrdiff_t factor);
96 
99 
100 #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:86
src1
const pixel * src1
Definition: h264pred_template.c:421
AVTXContext
Definition: tx_priv.h:235
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:84
DCADSPContext::dmix_sub_xch
void(* dmix_sub_xch)(int32_t *dst1, int32_t *dst2, const int32_t *src, ptrdiff_t len)
Definition: dcadsp.h:75
SynthFilterContext
Definition: synth_filter.h:27
DCADSPContext::lfe_x96_fixed
void(* lfe_x96_fixed)(int32_t *dst, const int32_t *src, int32_t *hist, ptrdiff_t len)
Definition: dcadsp.h:62
DCADSPContext::sub_qmf_float
void(* sub_qmf_float[2])(SynthFilterContext *synth, AVTXContext *imdct, av_tx_fn imdct_fn, 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
av_cold
#define av_cold
Definition: attributes.h:90
av_tx_fn
void(* av_tx_fn)(AVTXContext *s, void *out, void *in, ptrdiff_t stride)
Function pointer to a function to perform the transform.
Definition: tx.h:151
s
#define s(width, name)
Definition: cbs_vp9.c:198
DCADCTContext
Definition: dcadct.h:27
DCADSPContext::dmix_sub
void(* dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
Definition: dcadsp.h:78
ff_dcadsp_init
av_cold void ff_dcadsp_init(DCADSPContext *s)
Definition: dcadsp.c:461
DCADSPContext::dmix_scale
void(* dmix_scale)(int32_t *dst, int scale, ptrdiff_t len)
Definition: dcadsp.h:82
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:65
DCADSPContext
Definition: dcadsp.h:30
scale
static void scale(int *out, const int *in, const int w, const int h, const int shift)
Definition: vvc_intra.c:290
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:92
DCADSPContext::lbr_bank
void(* lbr_bank)(float output[32][4], float **input, const float *coeff, ptrdiff_t ofs, ptrdiff_t len)
Definition: dcadsp.h:89
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
DCADSPContext::dmix_add
void(* dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
Definition: dcadsp.h:80
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
src0
const pixel *const src0
Definition: h264pred_template.c:420
factor
static const int factor[16]
Definition: vf_pp7.c:78
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
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
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:35
coeff
static const double coeff[2][5]
Definition: vf_owdenoise.c:79
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:59
DCADSPContext::decor
void(* decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len)
Definition: dcadsp.h:73
tx.h