mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
2.4 KiB
61 lines
2.4 KiB
/* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#ifndef AVCODEC_AUDIODSP_H |
|
#define AVCODEC_AUDIODSP_H |
|
|
|
#include <stdint.h> |
|
|
|
typedef struct AudioDSPContext { |
|
/** |
|
* Calculate scalar product of two vectors. |
|
* @param len length of vectors, should be multiple of 16 |
|
*/ |
|
int32_t (*scalarproduct_int16)(const int16_t *v1, |
|
const int16_t *v2 /* align 16 */, int len); |
|
|
|
/** |
|
* Clip each element in an array of int32_t to a given minimum and |
|
* maximum value. |
|
* @param dst destination array |
|
* constraints: 16-byte aligned |
|
* @param src source array |
|
* constraints: 16-byte aligned |
|
* @param min minimum value |
|
* constraints: must be in the range [-(1 << 24), 1 << 24] |
|
* @param max maximum value |
|
* constraints: must be in the range [-(1 << 24), 1 << 24] |
|
* @param len number of elements in the array |
|
* constraints: multiple of 32 greater than zero |
|
*/ |
|
void (*vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min, |
|
int32_t max, unsigned int len); |
|
/* assume len is a multiple of 16, and arrays are 16-byte aligned */ |
|
void (*vector_clipf)(float *dst /* align 16 */, |
|
const float *src /* align 16 */, |
|
int len /* align 16 */, |
|
float min, float max); |
|
} AudioDSPContext; |
|
|
|
void ff_audiodsp_init(AudioDSPContext *c); |
|
void ff_audiodsp_init_arm(AudioDSPContext *c); |
|
void ff_audiodsp_init_ppc(AudioDSPContext *c); |
|
void ff_audiodsp_init_riscv(AudioDSPContext *c); |
|
void ff_audiodsp_init_x86(AudioDSPContext *c); |
|
|
|
#endif /* AVCODEC_AUDIODSP_H */
|
|
|