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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/libmad/synth.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/libmad/synth.h')
-rw-r--r-- | lib/rbcodec/codecs/libmad/synth.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libmad/synth.h b/lib/rbcodec/codecs/libmad/synth.h new file mode 100644 index 0000000000..93dd3946d4 --- /dev/null +++ b/lib/rbcodec/codecs/libmad/synth.h | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | * libmad - MPEG audio decoder library | ||
3 | * Copyright (C) 2000-2004 Underbit Technologies, Inc. | ||
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 | * $Id$ | ||
20 | */ | ||
21 | |||
22 | # ifndef LIBMAD_SYNTH_H | ||
23 | # define LIBMAD_SYNTH_H | ||
24 | |||
25 | # include "fixed.h" | ||
26 | # include "frame.h" | ||
27 | |||
28 | struct mad_pcm { | ||
29 | unsigned int samplerate; /* sampling frequency (Hz) */ | ||
30 | unsigned short channels; /* number of channels */ | ||
31 | unsigned short length; /* number of samples per channel */ | ||
32 | mad_fixed_t samples[2][1152] MEM_ALIGN_ATTR; /* PCM output samples [ch][sample] */ | ||
33 | }; | ||
34 | |||
35 | struct mad_synth { | ||
36 | mad_fixed_t filter[2][2][2][16][8] MEM_ALIGN_ATTR; /* polyphase filterbank outputs */ | ||
37 | /* [ch][eo][peo][s][v] */ | ||
38 | |||
39 | unsigned int phase; /* current processing phase */ | ||
40 | |||
41 | struct mad_pcm pcm; /* PCM output */ | ||
42 | }; | ||
43 | |||
44 | void mad_synth_init(struct mad_synth *); | ||
45 | |||
46 | # define mad_synth_finish(synth) /* nothing */ | ||
47 | |||
48 | void mad_synth_mute(struct mad_synth *); | ||
49 | |||
50 | void mad_synth_frame(struct mad_synth *, struct mad_frame const *); | ||
51 | |||
52 | # endif | ||