mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-09-24 23:30:49 +00:00
4e5aa080bb
Verified with profiling that this doesn't have a measurable effect upon overall performance. Signed-off-by: Martin Storsjö <martin@martin.st>
62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*
|
|
* MLP codec common header file
|
|
* Copyright (c) 2007-2008 Ian Caulfield
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_MLPDSP_H
|
|
#define AVCODEC_MLPDSP_H
|
|
|
|
#include <stdint.h>
|
|
|
|
void ff_mlp_rematrix_channel(int32_t *samples,
|
|
const int32_t *coeffs,
|
|
const uint8_t *bypassed_lsbs,
|
|
const int8_t *noise_buffer,
|
|
int index,
|
|
unsigned int dest_ch,
|
|
uint16_t blockpos,
|
|
unsigned int maxchan,
|
|
int matrix_noise_shift,
|
|
int access_unit_size_pow2,
|
|
int32_t mask);
|
|
|
|
typedef struct MLPDSPContext {
|
|
void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff,
|
|
int firorder, int iirorder,
|
|
unsigned int filter_shift, int32_t mask,
|
|
int blocksize, int32_t *sample_buffer);
|
|
void (*mlp_rematrix_channel)(int32_t *samples,
|
|
const int32_t *coeffs,
|
|
const uint8_t *bypassed_lsbs,
|
|
const int8_t *noise_buffer,
|
|
int index,
|
|
unsigned int dest_ch,
|
|
uint16_t blockpos,
|
|
unsigned int maxchan,
|
|
int matrix_noise_shift,
|
|
int access_unit_size_pow2,
|
|
int32_t mask);
|
|
} MLPDSPContext;
|
|
|
|
void ff_mlpdsp_init(MLPDSPContext *c);
|
|
void ff_mlpdsp_init_arm(MLPDSPContext *c);
|
|
void ff_mlpdsp_init_x86(MLPDSPContext *c);
|
|
|
|
#endif /* AVCODEC_MLPDSP_H */
|