| /* | |
| * 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 | |
| */ | |
| 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); | |