repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
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 | ||
| 28 | void 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 | ||
| 40 | int32_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 | ||
| 49 | typedef 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 | ||
| 79 | void ff_mlpdsp_init(MLPDSPContext *c); | |
| 80 | void ff_mlpdsp_init_arm(MLPDSPContext *c); | |
| 81 | void ff_mlpdsp_init_x86(MLPDSPContext *c); | |
| 82 | ||
| 83 | #endif /* AVCODEC_MLPDSP_H */ |