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authorSean Bartell <wingedtachikoma@gmail.com>2011-06-25 21:32:25 -0400
committerNils Wallménius <nils@rockbox.org>2012-04-25 22:13:20 +0200
commitf40bfc9267b13b54e6379dfe7539447662879d24 (patch)
tree9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libfaad/drm_dec.h
parenta0009907de7a0107d49040d8a180f140e2eff299 (diff)
downloadrockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz
rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97 Reviewed-on: http://gerrit.rockbox.org/137 Reviewed-by: Nils Wallménius <nils@rockbox.org> Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libfaad/drm_dec.h')
-rw-r--r--lib/rbcodec/codecs/libfaad/drm_dec.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libfaad/drm_dec.h b/lib/rbcodec/codecs/libfaad/drm_dec.h
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1/*
2** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
3** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
4**
5** This program is free software; you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation; either version 2 of the License, or
8** (at your option) any later version.
9**
10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program; if not, write to the Free Software
17** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18**
19** Any non-GPL usage of this software or parts of this software is strictly
20** forbidden.
21**
22** Commercial non-GPL licensing of this software is possible.
23** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
24**
25** $Id$
26**/
27
28#ifndef __DRM_DEC_H__
29#define __DRM_DEC_H__
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35#include "bits.h"
36
37#define DRM_PARAMETRIC_STEREO 0
38#define DRM_NUM_SA_BANDS 8
39#define DRM_NUM_PAN_BANDS 20
40#define NUM_OF_LINKS 3
41#define NUM_OF_QMF_CHANNELS 64
42#define NUM_OF_SUBSAMPLES 30
43#define MAX_SA_BAND 46
44#define MAX_PAN_BAND 64
45#define MAX_DELAY 5
46
47typedef struct
48{
49 uint8_t drm_ps_data_available;
50 uint8_t bs_enable_sa;
51 uint8_t bs_enable_pan;
52
53 uint8_t bs_sa_dt_flag;
54 uint8_t bs_pan_dt_flag;
55
56 uint8_t g_last_had_sa;
57 uint8_t g_last_had_pan;
58
59 int8_t bs_sa_data[DRM_NUM_SA_BANDS];
60 int8_t bs_pan_data[DRM_NUM_PAN_BANDS];
61
62 int8_t g_sa_index[DRM_NUM_SA_BANDS];
63 int8_t g_pan_index[DRM_NUM_PAN_BANDS];
64 int8_t g_prev_sa_index[DRM_NUM_SA_BANDS];
65 int8_t g_prev_pan_index[DRM_NUM_PAN_BANDS];
66
67 int8_t sa_decode_error;
68 int8_t pan_decode_error;
69
70 int8_t g_last_good_sa_index[DRM_NUM_SA_BANDS];
71 int8_t g_last_good_pan_index[DRM_NUM_PAN_BANDS];
72
73 qmf_t SA[NUM_OF_SUBSAMPLES][MAX_SA_BAND];
74
75 complex_t d_buff[2][MAX_SA_BAND];
76 complex_t d2_buff[NUM_OF_LINKS][MAX_DELAY][MAX_SA_BAND];
77
78 uint8_t delay_buf_index_ser[NUM_OF_LINKS];
79
80 real_t prev_nrg[MAX_SA_BAND];
81 real_t prev_peakdiff[MAX_SA_BAND];
82 real_t peakdecay_fast[MAX_SA_BAND];
83} drm_ps_info;
84
85
86uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld);
87
88drm_ps_info *drm_ps_init(void);
89
90uint8_t drm_ps_decode(drm_ps_info *ps, uint8_t guess, uint32_t samplerate,
91 qmf_t X_left[MAX_NTSRPS][64],
92 qmf_t X_right[MAX_NTSRPS][64]);
93
94#ifdef __cplusplus
95}
96#endif
97#endif
98