Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / mlpdsp.h
CommitLineData
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
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 */