1885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org/*********************************************************************** 2885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgCopyright (c) 2006-2011, Skype Limited. All rights reserved. 3885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgRedistribution and use in source and binary forms, with or without 4885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgmodification, are permitted provided that the following conditions 5885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgare met: 6885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org- Redistributions of source code must retain the above copyright notice, 7885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgthis list of conditions and the following disclaimer. 8885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org- Redistributions in binary form must reproduce the above copyright 9885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgnotice, this list of conditions and the following disclaimer in the 10885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgdocumentation and/or other materials provided with the distribution. 11e3ea049fcaee2247e45f0ce793d4313babb4ef69tlegrand@chromium.org- Neither the name of Internet Society, IETF or IETF Trust, nor the 12885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgnames of specific contributors, may be used to endorse or promote 13885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgproducts derived from this software without specific prior written 14885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgpermission. 15e3ea049fcaee2247e45f0ce793d4313babb4ef69tlegrand@chromium.orgTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgAND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgIMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgLIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgCONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgSUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgINTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgCONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgPOSSIBILITY OF SUCH DAMAGE. 26885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org***********************************************************************/ 27885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 28885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#ifdef HAVE_CONFIG_H 29885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#include "config.h" 30885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#endif 31885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#ifdef FIXED_POINT 32885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#include "main_FIX.h" 33885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#else 34885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#include "main_FLP.h" 35885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#endif 36885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#include "tuning_parameters.h" 373c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.com#include "cpu_support.h" 38885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 39885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org/*********************************/ 40885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org/* Initialize Silk Encoder state */ 41885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org/*********************************/ 42885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgopus_int silk_init_encoder( 433c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.com silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk FIX encoder state */ 443c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.com int arch /* I Run-time architecture */ 45885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org) 46885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org{ 47885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org opus_int ret = 0; 48885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 49885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org /* Clear the entire encoder state */ 50885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org silk_memset( psEnc, 0, sizeof( silk_encoder_state_Fxx ) ); 51885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 523c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.com psEnc->sCmn.arch = arch; 533c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.com 54885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org psEnc->sCmn.variable_HP_smth1_Q15 = silk_LSHIFT( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ), 8 ); 55885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org psEnc->sCmn.variable_HP_smth2_Q15 = psEnc->sCmn.variable_HP_smth1_Q15; 56885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 57885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org /* Used to deactivate LSF interpolation, pitch prediction */ 58885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org psEnc->sCmn.first_frame_after_reset = 1; 59885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 60885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org /* Initialize Silk VAD */ 61885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org ret += silk_VAD_Init( &psEnc->sCmn.sVAD ); 62885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 63885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org return ret; 64885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org} 65