avcodec/dolby_e: use av_clip_uintp2()
[ffmpeg.git] / libavcodec / mlpdsp.h
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 */