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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_DCADSP_H | |
20 | #define AVCODEC_DCADSP_H | |
21 | ||
22 | #include "avfft.h" | |
23 | #include "synth_filter.h" | |
24 | ||
25 | #define DCA_SUBBANDS 64 | |
26 | ||
27 | typedef struct DCADSPContext { | |
28 | void (*lfe_fir[2])(float *out, const float *in, const float *coefs); | |
29 | void (*qmf_32_subbands)(float samples_in[32][8], int sb_act, | |
30 | SynthFilterContext *synth, FFTContext *imdct, | |
31 | float synth_buf_ptr[512], | |
32 | int *synth_buf_offset, float synth_buf2[32], | |
33 | const float window[512], float *samples_out, | |
34 | float raXin[32], float scale); | |
35 | void (*decode_hf)(float dst[DCA_SUBBANDS][8], | |
36 | const int32_t vq_num[DCA_SUBBANDS], | |
37 | const int8_t hf_vq[1024][32], intptr_t vq_offset, | |
38 | int32_t scale[DCA_SUBBANDS][2], | |
39 | intptr_t start, intptr_t end); | |
40 | } DCADSPContext; | |
41 | ||
42 | void ff_dcadsp_init(DCADSPContext *s); | |
43 | void ff_dcadsp_init_arm(DCADSPContext *s); | |
44 | void ff_dcadsp_init_x86(DCADSPContext *s); | |
45 | ||
46 | #endif /* AVCODEC_DCADSP_H */ |