[Opus] Update to v1.2.1

third_party/opus/src/silk/enc_API.c

 /***********************************************************************
 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 - Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.
 - 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.
@@ skipping 215 matching lines @@
             return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES;
         }
         /* Make sure no more than one packet can be produced */
         if( 1000 * (opus_int32)nSamplesIn > encControl->payloadSize_ms * encControl->API_sampleRate ) {
             silk_assert( 0 );
             RESTORE_STACK;
             return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES;
         }
     }
 
-    TargetRate_bps = silk_RSHIFT32( encControl->bitRate, encControl->nChannelsInternal - 1 );
     for( n = 0; n < encControl->nChannelsInternal; n++ ) {
         /* Force the side channel to the same rate as the mid */
         opus_int force_fs_kHz = (n==1) ? psEnc->state_Fxx[0].sCmn.fs_kHz : 0;
-        if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, TargetRate_bps, psEnc->allowBandwidthSwitch, n, force_fs_kHz ) ) != 0 ) {
+        if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, psEnc->allowBandwidthSwitch, n, force_fs_kHz ) ) != 0 ) {
             silk_assert( 0 );
             RESTORE_STACK;
             return ret;
         }
         if( psEnc->state_Fxx[n].sCmn.first_frame_after_reset || transition ) {
             for( i = 0; i < psEnc->state_Fxx[ 0 ].sCmn.nFramesPerPacket; i++ ) {
                 psEnc->state_Fxx[ n ].sCmn.LBRR_flags[ i ] = 0;
             }
         }
         psEnc->state_Fxx[ n ].sCmn.inDTX = psEnc->state_Fxx[ n ].sCmn.useDTX;
@@ skipping 158 matching lines @@
             /* Convert Left/Right to Mid/Side */
             if( encControl->nChannelsInternal == 2 ) {
                 silk_stereo_LR_to_MS( &psEnc->sStereo, &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ 2 ], &psEnc->state_Fxx[ 1 ].sCmn.inputBuf[ 2 ],
                     psEnc->sStereo.predIx[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ], &psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ],
                     MStargetRates_bps, TargetRate_bps, psEnc->state_Fxx[ 0 ].sCmn.speech_activity_Q8, encControl->toMono,
                     psEnc->state_Fxx[ 0 ].sCmn.fs_kHz, psEnc->state_Fxx[ 0 ].sCmn.frame_length );
                 if( psEnc->sStereo.mid_only_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] == 0 ) {
                     /* Reset side channel encoder memory for first frame with side coding */
                     if( psEnc->prev_decode_only_middle == 1 ) {
                         silk_memset( &psEnc->state_Fxx[ 1 ].sShape,               0, sizeof( psEnc->state_Fxx[ 1 ].sShape ) );
-                        silk_memset( &psEnc->state_Fxx[ 1 ].sPrefilt,             0, sizeof( psEnc->state_Fxx[ 1 ].sPrefilt ) );
                         silk_memset( &psEnc->state_Fxx[ 1 ].sCmn.sNSQ,            0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.sNSQ ) );
                         silk_memset( psEnc->state_Fxx[ 1 ].sCmn.prev_NLSFq_Q15,   0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.prev_NLSFq_Q15 ) );
                         silk_memset( &psEnc->state_Fxx[ 1 ].sCmn.sLP.In_LP_State, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.sLP.In_LP_State ) );
                         psEnc->state_Fxx[ 1 ].sCmn.prevLag                 = 100;
                         psEnc->state_Fxx[ 1 ].sCmn.sNSQ.lagPrev            = 100;
                         psEnc->state_Fxx[ 1 ].sShape.LastGainIndex         = 10;
                         psEnc->state_Fxx[ 1 ].sCmn.prevSignalType          = TYPE_NO_VOICE_ACTIVITY;
                         psEnc->state_Fxx[ 1 ].sCmn.sNSQ.prev_gain_Q16      = 65536;
                         psEnc->state_Fxx[ 1 ].sCmn.first_frame_after_reset = 1;
                     }
@@ skipping 120 matching lines @@
     encControl->stereoWidth_Q14 = encControl->toMono ? 0 : psEnc->sStereo.smth_width_Q14;
     if( prefillFlag ) {
         encControl->payloadSize_ms = tmp_payloadSize_ms;
         encControl->complexity = tmp_complexity;
         for( n = 0; n < encControl->nChannelsInternal; n++ ) {
             psEnc->state_Fxx[ n ].sCmn.controlled_since_last_payload = 0;
             psEnc->state_Fxx[ n ].sCmn.prefillFlag = 0;
         }
     }
 
+    encControl->signalType = psEnc->state_Fxx[0].sCmn.indices.signalType;
+    encControl->offset = silk_Quantization_Offsets_Q10
+                         [ psEnc->state_Fxx[0].sCmn.indices.signalType >> 1 ]
+                         [ psEnc->state_Fxx[0].sCmn.indices.quantOffsetType ];
     RESTORE_STACK;
     return ret;
 }