1/* 2 * MLP codec common header file 3 * Copyright (c) 2007-2008 Ian Caulfield 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#ifndef AVCODEC_MLPDSP_H 23#define AVCODEC_MLPDSP_H 24 25#include <stdint.h> 26#include "mlp.h" 27 28void ff_mlp_rematrix_channel(int32_t *samples, 29 const int32_t *coeffs, 30 const uint8_t *bypassed_lsbs, 31 const int8_t *noise_buffer, 32 int index, 33 unsigned int dest_ch, 34 uint16_t blockpos, 35 unsigned int maxchan, 36 int matrix_noise_shift, 37 int access_unit_size_pow2, 38 int32_t mask); 39 40int32_t ff_mlp_pack_output(int32_t lossless_check_data, 41 uint16_t blockpos, 42 int32_t (*sample_buffer)[MAX_CHANNELS], 43 void *data, 44 uint8_t *ch_assign, 45 int8_t *output_shift, 46 uint8_t max_matrix_channel, 47 int is32); 48 49typedef struct MLPDSPContext { 50 void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff, 51 int firorder, int iirorder, 52 unsigned int filter_shift, int32_t mask, 53 int blocksize, int32_t *sample_buffer); 54 void (*mlp_rematrix_channel)(int32_t *samples, 55 const int32_t *coeffs, 56 const uint8_t *bypassed_lsbs, 57 const int8_t *noise_buffer, 58 int index, 59 unsigned int dest_ch, 60 uint16_t blockpos, 61 unsigned int maxchan, 62 int matrix_noise_shift, 63 int access_unit_size_pow2, 64 int32_t mask); 65 int32_t (*(*mlp_select_pack_output)(uint8_t *ch_assign, 66 int8_t *output_shift, 67 uint8_t max_matrix_channel, 68 int is32))(int32_t, uint16_t, int32_t (*)[], void *, uint8_t*, int8_t *, uint8_t, int); 69 int32_t (*mlp_pack_output)(int32_t lossless_check_data, 70 uint16_t blockpos, 71 int32_t (*sample_buffer)[MAX_CHANNELS], 72 void *data, 73 uint8_t *ch_assign, 74 int8_t *output_shift, 75 uint8_t max_matrix_channel, 76 int is32); 77} MLPDSPContext; 78 79void ff_mlpdsp_init(MLPDSPContext *c); 80void ff_mlpdsp_init_arm(MLPDSPContext *c); 81void ff_mlpdsp_init_x86(MLPDSPContext *c); 82 83#endif /* AVCODEC_MLPDSP_H */ 84