| /* |
| * MLP codec common header file |
| * Copyright (c) 2007-2008 Ian Caulfield |
| * |
| * 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_MLPDSP_H |
| #define AVCODEC_MLPDSP_H |
| |
| #include <stdint.h> |
| #include "mlp.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); |
| |
| int32_t ff_mlp_pack_output(int32_t lossless_check_data, |
| uint16_t blockpos, |
| int32_t (*sample_buffer)[MAX_CHANNELS], |
| void *data, |
| uint8_t *ch_assign, |
| int8_t *output_shift, |
| uint8_t max_matrix_channel, |
| int is32); |
| |
| 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); |
| int32_t (*(*mlp_select_pack_output)(uint8_t *ch_assign, |
| int8_t *output_shift, |
| uint8_t max_matrix_channel, |
| int is32))(int32_t, uint16_t, int32_t (*)[], void *, uint8_t*, int8_t *, uint8_t, int); |
| int32_t (*mlp_pack_output)(int32_t lossless_check_data, |
| uint16_t blockpos, |
| int32_t (*sample_buffer)[MAX_CHANNELS], |
| void *data, |
| uint8_t *ch_assign, |
| int8_t *output_shift, |
| uint8_t max_matrix_channel, |
| int is32); |
| } 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 */ |
