/src/mozilla-central/media/libopus/silk/init_decoder.c
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1 | | /*********************************************************************** |
2 | | Copyright (c) 2006-2011, Skype Limited. All rights reserved. |
3 | | Redistribution and use in source and binary forms, with or without |
4 | | modification, are permitted provided that the following conditions |
5 | | are met: |
6 | | - Redistributions of source code must retain the above copyright notice, |
7 | | this list of conditions and the following disclaimer. |
8 | | - Redistributions in binary form must reproduce the above copyright |
9 | | notice, this list of conditions and the following disclaimer in the |
10 | | documentation and/or other materials provided with the distribution. |
11 | | - Neither the name of Internet Society, IETF or IETF Trust, nor the |
12 | | names of specific contributors, may be used to endorse or promote |
13 | | products derived from this software without specific prior written |
14 | | permission. |
15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
16 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
19 | | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
20 | | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
21 | | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
22 | | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
23 | | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
24 | | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
25 | | POSSIBILITY OF SUCH DAMAGE. |
26 | | ***********************************************************************/ |
27 | | |
28 | | #ifdef HAVE_CONFIG_H |
29 | | #include "config.h" |
30 | | #endif |
31 | | |
32 | | #include "main.h" |
33 | | |
34 | | /************************/ |
35 | | /* Init Decoder State */ |
36 | | /************************/ |
37 | | opus_int silk_init_decoder( |
38 | | silk_decoder_state *psDec /* I/O Decoder state pointer */ |
39 | | ) |
40 | 0 | { |
41 | 0 | /* Clear the entire encoder state, except anything copied */ |
42 | 0 | silk_memset( psDec, 0, sizeof( silk_decoder_state ) ); |
43 | 0 |
|
44 | 0 | /* Used to deactivate LSF interpolation */ |
45 | 0 | psDec->first_frame_after_reset = 1; |
46 | 0 | psDec->prev_gain_Q16 = 65536; |
47 | 0 | psDec->arch = opus_select_arch(); |
48 | 0 |
|
49 | 0 | /* Reset CNG state */ |
50 | 0 | silk_CNG_Reset( psDec ); |
51 | 0 |
|
52 | 0 | /* Reset PLC state */ |
53 | 0 | silk_PLC_Reset( psDec ); |
54 | 0 |
|
55 | 0 | return(0); |
56 | 0 | } |
57 | | |