Updating Opus to a pre-release of 1.1

silk/dec_API.c

 /***********************************************************************
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 - Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
-- Neither the name of Internet Society, IETF or IETF Trust, nor the 
+- Neither the name of Internet Society, IETF or IETF Trust, nor the
 names of specific contributors, may be used to endorse or promote
 products derived from this software without specific prior written
 permission.
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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@@ skipping 36 matching lines @@
 opus_int silk_InitDecoder(                              /* O    Returns error code                              */
     void                            *decState           /* I/O  State                                           */
 )
 {
     opus_int n, ret = SILK_NO_ERROR;
     silk_decoder_state *channel_state = ((silk_decoder *)decState)->channel_state;
 
     for( n = 0; n < DECODER_NUM_CHANNELS; n++ ) {
         ret  = silk_init_decoder( &channel_state[ n ] );
     }
+    silk_memset(&((silk_decoder *)decState)->sStereo, 0, sizeof(((silk_decoder *)decState)->sStereo));
+    /* Not strictly needed, but it's cleaner that way */
+    ((silk_decoder *)decState)->prev_decode_only_middle = 0;
 
     return ret;
 }
 
 /* Decode a frame */
 opus_int silk_Decode(                                   /* O    Returns error code                              */
     void*                           decState,           /* I/O  State                                           */
     silk_DecControlStruct*          decControl,         /* I/O  Control Structure                               */
     opus_int                        lostFlag,           /* I    0: no loss, 1 loss, 2 decode fec                */
     opus_int                        newPacketFlag,      /* I    Indicates first decoder call for this packet    */
     ec_dec                          *psRangeDec,        /* I/O  Compressor data structure                       */
     opus_int16                      *samplesOut,        /* O    Decoded output speech vector                    */
     opus_int32                      *nSamplesOut        /* O    Number of samples decoded                       */
 )
 {
     opus_int   i, n, decode_only_middle = 0, ret = SILK_NO_ERROR;
     opus_int32 nSamplesOutDec, LBRR_symbol;
     opus_int16 *samplesOut1_tmp[ 2 ];
     VARDECL( opus_int16, samplesOut1_tmp_storage );
     VARDECL( opus_int16, samplesOut2_tmp );
     opus_int32 MS_pred_Q13[ 2 ] = { 0 };
     opus_int16 *resample_out_ptr;
     silk_decoder *psDec = ( silk_decoder * )decState;
     silk_decoder_state *channel_state = psDec->channel_state;
     opus_int has_side;
     opus_int stereo_to_mono;
     SAVE_STACK;
 
+    silk_assert( decControl->nChannelsInternal == 1 || decControl->nChannelsInternal == 2 );
+
     /**********************************/
     /* Test if first frame in payload */
     /**********************************/
     if( newPacketFlag ) {
         for( n = 0; n < decControl->nChannelsInternal; n++ ) {
             channel_state[ n ].nFramesDecoded = 0;  /* Used to count frames in packet */
         }
     }
 
     /* If Mono -> Stereo transition in bitstream: init state of second channel */
@@ skipping 273 matching lines @@
     Silk_TOC->inbandFECFlag = flags & 1;
     for( i = nFramesPerPayload - 1; i >= 0 ; i-- ) {
         flags = silk_RSHIFT( flags, 1 );
         Silk_TOC->VADFlags[ i ] = flags & 1;
         Silk_TOC->VADFlag |= flags & 1;
     }
 
     return ret;
 }
 #endif