diff options
Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/init_encoder.c')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/init_encoder.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/init_encoder.c b/lib/rbcodec/codecs/libopus/silk/init_encoder.c new file mode 100644 index 0000000000..65995c33fa --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/init_encoder.c | |||
@@ -0,0 +1,64 @@ | |||
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 | #ifdef FIXED_POINT | ||
32 | #include "main_FIX.h" | ||
33 | #else | ||
34 | #include "main_FLP.h" | ||
35 | #endif | ||
36 | #include "tuning_parameters.h" | ||
37 | #include "cpu_support.h" | ||
38 | |||
39 | /*********************************/ | ||
40 | /* Initialize Silk Encoder state */ | ||
41 | /*********************************/ | ||
42 | opus_int silk_init_encoder( | ||
43 | silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk FIX encoder state */ | ||
44 | int arch /* I Run-time architecture */ | ||
45 | ) | ||
46 | { | ||
47 | opus_int ret = 0; | ||
48 | |||
49 | /* Clear the entire encoder state */ | ||
50 | silk_memset( psEnc, 0, sizeof( silk_encoder_state_Fxx ) ); | ||
51 | |||
52 | psEnc->sCmn.arch = arch; | ||
53 | |||
54 | psEnc->sCmn.variable_HP_smth1_Q15 = silk_LSHIFT( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ), 8 ); | ||
55 | psEnc->sCmn.variable_HP_smth2_Q15 = psEnc->sCmn.variable_HP_smth1_Q15; | ||
56 | |||
57 | /* Used to deactivate LSF interpolation, pitch prediction */ | ||
58 | psEnc->sCmn.first_frame_after_reset = 1; | ||
59 | |||
60 | /* Initialize Silk VAD */ | ||
61 | ret += silk_VAD_Init( &psEnc->sCmn.sVAD ); | ||
62 | |||
63 | return ret; | ||
64 | } | ||