Move some mpegaudio functions to new mpegaudiodsp subsystem
[libav.git] / libavcodec / mpegaudiodsp.h
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; 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 <stdint.h>
23
24 typedef struct MPADSPContext {
25 void (*apply_window_float)(float *synth_buf, float *window,
26 int *dither_state, float *samples, int incr);
27 void (*apply_window_fixed)(int32_t *synth_buf, int32_t *window,
28 int *dither_state, int16_t *samples, int incr);
29 void (*dct32_float)(float *dst, const float *src);
30 void (*dct32_fixed)(int *dst, const int *src);
31 } MPADSPContext;
32
33 void ff_mpadsp_init(MPADSPContext *s);
34
35 extern int32_t ff_mpa_synth_window_fixed[];
36 extern float ff_mpa_synth_window_float[];
37
38 void ff_mpa_synth_filter_fixed(MPADSPContext *s,
39 int32_t *synth_buf_ptr, int *synth_buf_offset,
40 int32_t *window, int *dither_state,
41 int16_t *samples, int incr,
42 int *sb_samples);
43
44 void ff_mpa_synth_filter_float(MPADSPContext *s,
45 float *synth_buf_ptr, int *synth_buf_offset,
46 float *window, int *dither_state,
47 float *samples, int incr,
48 float *sb_samples);
49
50 void ff_mpadsp_init_mmx(MPADSPContext *s);
51 void ff_mpadsp_init_altivec(MPADSPContext *s);
52
53 void ff_mpa_synth_init_float(float *window);
54 void ff_mpa_synth_init_fixed(int32_t *window);
55
56 void ff_mpadsp_apply_window_float(float *synth_buf, float *window,
57 int *dither_state, float *samples,
58 int incr);
59 void ff_mpadsp_apply_window_fixed(int32_t *synth_buf, int32_t *window,
60 int *dither_state, int16_t *samples,
61 int incr);
62
63 #endif