fmtconvert.h
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1 /*
2  * Format Conversion Utils
3  * Copyright (c) 2000, 2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * This file is part of Libav.
7  *
8  * Libav 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  * Libav 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 Libav; 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_FMTCONVERT_H
24 #define AVCODEC_FMTCONVERT_H
25 
26 #include "avcodec.h"
27 
28 typedef struct FmtConvertContext {
38  void (*int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len);
39 
53  void (*float_to_int16)(int16_t *dst, const float *src, long len);
54 
69  void (*float_to_int16_interleave)(int16_t *dst, const float **src,
70  long len, int channels);
71 
83  void (*float_interleave)(float *dst, const float **src, unsigned int len,
84  int channels);
86 
87 void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
88  int channels);
89 
91 
95 
96 #endif /* AVCODEC_FMTCONVERT_H */
void(* float_interleave)(float *dst, const float **src, unsigned int len, int channels)
Convert multiple arrays of float to an array of interleaved float.
Definition: fmtconvert.h:83
void(* float_to_int16_interleave)(int16_t *dst, const float **src, long len, int channels)
Convert multiple arrays of float to an interleaved array of int16_t.
Definition: fmtconvert.h:69
void(* int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len)
Convert an array of int32_t to float and multiply by a float value.
Definition: fmtconvert.h:38
av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
Definition: fmtconvert.c:79
void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx)
void ff_float_interleave_c(float *dst, const float **src, unsigned int len, int channels)
Definition: fmtconvert.c:60
void(* float_to_int16)(int16_t *dst, const float *src, long len)
Convert an array of float to an array of int16_t.
Definition: fmtconvert.h:53
external API header
main external API structure.
Definition: avcodec.h:1339
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx)
void ff_fmt_convert_init_altivec(FmtConvertContext *c, AVCodecContext *avctx)
int len
struct FmtConvertContext FmtConvertContext