FFmpeg
opus_pvq.h
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1 /*
2  * Copyright (c) 2012 Andrew D'Addesio
3  * Copyright (c) 2013-2014 Mozilla Corporation
4  * Copyright (c) 2016 Rostislav Pehlivanov <atomnuker@gmail.com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVCODEC_OPUS_PVQ_H
24 #define AVCODEC_OPUS_PVQ_H
25 
26 #include "opus_celt.h"
27 
28 #define QUANT_FN(name) uint32_t (name)(struct CeltPVQ *pvq, CeltFrame *f, \
29  OpusRangeCoder *rc, const int band, float *X, \
30  float *Y, int N, int b, uint32_t blocks, \
31  float *lowband, int duration, \
32  float *lowband_out, int level, float gain, \
33  float *lowband_scratch, int fill)
34 
35 struct CeltPVQ {
36  DECLARE_ALIGNED(32, int, qcoeff )[256];
37  DECLARE_ALIGNED(32, float, hadamard_tmp)[256];
38 
39  float (*pvq_search)(float *X, int *y, int K, int N);
41 };
42 
43 void ff_celt_pvq_init_x86(struct CeltPVQ *s);
44 
45 int ff_celt_pvq_init(struct CeltPVQ **pvq, int encode);
46 void ff_celt_pvq_uninit(struct CeltPVQ **pvq);
47 
48 #endif /* AVCODEC_OPUS_PVQ_H */
void ff_celt_pvq_init_x86(struct CeltPVQ *s)
Definition: celt_pvq_init.c:31
void ff_celt_pvq_uninit(struct CeltPVQ **pvq)
Definition: opus_pvq.c:914
int ff_celt_pvq_init(struct CeltPVQ **pvq, int encode)
Definition: opus_pvq.c:897
#define N
Definition: af_mcompand.c:54
Definition: vf_addroi.c:26
int qcoeff[256]
Definition: opus_pvq.h:36
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:112
float hadamard_tmp[256]
Definition: opus_pvq.h:37
QUANT_FN * quant_band
Definition: opus_pvq.h:40
#define s(width, name)
Definition: cbs_vp9.c:257
#define QUANT_FN(name)
Definition: opus_pvq.h:28
static void encode(AVCodecContext *ctx, AVFrame *frame, AVPacket *pkt, FILE *output)
Definition: encode_audio.c:95
float(* pvq_search)(float *X, int *y, int K, int N)
Definition: opus_pvq.h:39