Line data    Source code

       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           0 : 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           0 :     opus_int ret = 0;
      48             : 
      49             :     /* Clear the entire encoder state */
      50           0 :     silk_memset( psEnc, 0, sizeof( silk_encoder_state_Fxx ) );
      51             : 
      52           0 :     psEnc->sCmn.arch = arch;
      53             : 
      54           0 :     psEnc->sCmn.variable_HP_smth1_Q15 = silk_LSHIFT( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ), 8 );
      55           0 :     psEnc->sCmn.variable_HP_smth2_Q15 = psEnc->sCmn.variable_HP_smth1_Q15;
      56             : 
      57             :     /* Used to deactivate LSF interpolation, pitch prediction */
      58           0 :     psEnc->sCmn.first_frame_after_reset = 1;
      59             : 
      60             :     /* Initialize Silk VAD */
      61           0 :     ret += silk_VAD_Init( &psEnc->sCmn.sVAD );
      62             : 
      63           0 :     return  ret;
      64             : }