1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVCODEC_MPEGAUDIODSP_H
20 #define AVCODEC_MPEGAUDIODSP_H
21
22 #include <stddef.h>
23 #include <stdint.h>
24
27
30 int *dither_state,
float *
samples,
31 ptrdiff_t incr);
33 int *dither_state, int16_t *
samples,
34 ptrdiff_t incr);
37
39 int count, int switch_point, int block_type);
41 int count, int switch_point, int block_type);
43
46
49
51
53 int32_t *synth_buf_ptr,
int *synth_buf_offset,
55 int16_t *
samples, ptrdiff_t incr,
57
59 float *synth_buf_ptr, int *synth_buf_offset,
60 float *
window,
int *dither_state,
62 float *sb_samples);
63
71
74
76 int *dither_state,
float *
samples,
77 ptrdiff_t incr);
79 int *dither_state, int16_t *
samples,
80 ptrdiff_t incr);
81
83 int count, int switch_point, int block_type);
84
86 int count, int switch_point, int block_type);
87
88 /** For SSE implementation, MDCT_BUF_SIZE/2 should be 128-bit aligned */
89 #define MDCT_BUF_SIZE FFALIGN(36, 2*4)
90
94
95 #endif /* AVCODEC_MPEGAUDIODSP_H */