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author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
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committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libatrac/atrac3.h | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-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/libatrac/atrac3.h')
-rw-r--r-- | lib/rbcodec/codecs/libatrac/atrac3.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libatrac/atrac3.h b/lib/rbcodec/codecs/libatrac/atrac3.h new file mode 100644 index 0000000000..64086b6411 --- /dev/null +++ b/lib/rbcodec/codecs/libatrac/atrac3.h | |||
@@ -0,0 +1,114 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2009 Mohamed Tarek | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "ffmpeg_get_bits.h" | ||
23 | #include "../librm/rm.h" | ||
24 | #include "codeclib.h" | ||
25 | |||
26 | #if (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024) || \ | ||
27 | (CONFIG_CPU == MCF5250) || defined(CPU_S5L870X) | ||
28 | /* PP5022/24, MCF5250 and S5L870x have larger IRAM */ | ||
29 | #define IBSS_ATTR_LARGE_IRAM IBSS_ATTR | ||
30 | #define ICODE_ATTR_LARGE_IRAM ICODE_ATTR | ||
31 | #define ICONST_ATTR_LARGE_IRAM ICONST_ATTR | ||
32 | #else | ||
33 | /* other CPUs IRAM is not large enough */ | ||
34 | #define IBSS_ATTR_LARGE_IRAM | ||
35 | #define ICODE_ATTR_LARGE_IRAM | ||
36 | #define ICONST_ATTR_LARGE_IRAM | ||
37 | #endif | ||
38 | |||
39 | /* These structures are needed to store the parsed gain control data. */ | ||
40 | typedef struct { | ||
41 | int num_gain_data; | ||
42 | int levcode[8]; | ||
43 | int loccode[8]; | ||
44 | } gain_info; | ||
45 | |||
46 | typedef struct { | ||
47 | gain_info gBlock[4]; | ||
48 | } gain_block; | ||
49 | |||
50 | typedef struct { | ||
51 | int pos; | ||
52 | int numCoefs; | ||
53 | int32_t coef[8]; | ||
54 | } tonal_component; | ||
55 | |||
56 | typedef struct { | ||
57 | int bandsCoded; | ||
58 | int numComponents; | ||
59 | tonal_component components[64]; | ||
60 | int32_t *prevFrame; | ||
61 | int gcBlkSwitch; | ||
62 | gain_block gainBlock[2]; | ||
63 | |||
64 | int32_t *spectrum; | ||
65 | int32_t *IMDCT_buf; | ||
66 | |||
67 | int32_t delayBuf1[46] MEM_ALIGN_ATTR; ///<qmf delay buffers | ||
68 | int32_t delayBuf2[46] MEM_ALIGN_ATTR; | ||
69 | int32_t delayBuf3[46] MEM_ALIGN_ATTR; | ||
70 | } channel_unit; | ||
71 | |||
72 | typedef struct { | ||
73 | int32_t outSamples[2048] MEM_ALIGN_ATTR; | ||
74 | GetBitContext gb; | ||
75 | //@{ | ||
76 | /** stream data */ | ||
77 | int channels; | ||
78 | int codingMode; | ||
79 | int bit_rate; | ||
80 | int sample_rate; | ||
81 | int samples_per_channel; | ||
82 | int samples_per_frame; | ||
83 | |||
84 | int bits_per_frame; | ||
85 | int bytes_per_frame; | ||
86 | int pBs; | ||
87 | channel_unit* pUnits; | ||
88 | //@} | ||
89 | //@{ | ||
90 | /** joint-stereo related variables */ | ||
91 | int matrix_coeff_index_prev[4]; | ||
92 | int matrix_coeff_index_now[4]; | ||
93 | int matrix_coeff_index_next[4]; | ||
94 | int weighting_delay[6]; | ||
95 | //@} | ||
96 | //@{ | ||
97 | /** data buffers */ | ||
98 | uint8_t decoded_bytes_buffer[1024] MEM_ALIGN_ATTR; | ||
99 | int32_t tempBuf[1070] MEM_ALIGN_ATTR; | ||
100 | //@} | ||
101 | //@{ | ||
102 | /** extradata */ | ||
103 | int atrac3version; | ||
104 | int delay; | ||
105 | int scrambled_stream; | ||
106 | int frame_factor; | ||
107 | //@} | ||
108 | } ATRAC3Context; | ||
109 | |||
110 | int atrac3_decode_init(ATRAC3Context *q, struct mp3entry *id3); | ||
111 | |||
112 | int atrac3_decode_frame(unsigned long block_align, ATRAC3Context *q, | ||
113 | int *data_size, const uint8_t *buf, int buf_size); | ||
114 | |||