Create local copy of Opus v1.1.2

webrtc/modules/audio_coding/codecs/opus/opus/src/silk/fixed/structs_FIX.h

Index: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/fixed/structs_FIX.h
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/fixed/structs_FIX.h b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/fixed/structs_FIX.h
new file mode 100644
index 0000000000000000000000000000000000000000..3294b251281ed8265d423c54e0d02273f7f99452
--- /dev/null
+++ b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/fixed/structs_FIX.h
@@ -0,0 +1,134 @@
+/***********************************************************************
+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.
+- 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"
+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
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SILK_STRUCTS_FIX_H
+#define SILK_STRUCTS_FIX_H
+
+#include "typedef.h"
+#include "main.h"
+#include "structs.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/********************************/
+/* Noise shaping analysis state */
+/********************************/
+typedef struct {
+    opus_int8                   LastGainIndex;
+    opus_int32                  HarmBoost_smth_Q16;
+    opus_int32                  HarmShapeGain_smth_Q16;
+    opus_int32                  Tilt_smth_Q16;
+} silk_shape_state_FIX;
+
+/********************************/
+/* Prefilter state              */
+/********************************/
+typedef struct {
+    opus_int16                  sLTP_shp[ LTP_BUF_LENGTH ];
+    opus_int32                  sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
+    opus_int                    sLTP_shp_buf_idx;
+    opus_int32                  sLF_AR_shp_Q12;
+    opus_int32                  sLF_MA_shp_Q12;
+    opus_int32                  sHarmHP_Q2;
+    opus_int32                  rand_seed;
+    opus_int                    lagPrev;
+} silk_prefilter_state_FIX;
+
+/********************************/
+/* Encoder state FIX            */
+/********************************/
+typedef struct {
+    silk_encoder_state          sCmn;                                   /* Common struct, shared with floating-point code       */
+    silk_shape_state_FIX        sShape;                                 /* Shape state                                          */
+    silk_prefilter_state_FIX    sPrefilt;                               /* Prefilter State                                      */
+
+    /* Buffer for find pitch and noise shape analysis */
+    silk_DWORD_ALIGN opus_int16 x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis  */
+    opus_int                    LTPCorr_Q15;                            /* Normalized correlation from pitch lag estimator      */
+} silk_encoder_state_FIX;
+
+/************************/
+/* Encoder control FIX  */
+/************************/
+typedef struct {
+    /* Prediction and coding parameters */
+    opus_int32                  Gains_Q16[ MAX_NB_SUBFR ];
+    silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ];
+    opus_int16                  LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ];
+    opus_int                    LTP_scale_Q14;
+    opus_int                    pitchL[ MAX_NB_SUBFR ];
+
+    /* Noise shaping parameters */
+    /* Testing */
+    silk_DWORD_ALIGN opus_int16 AR1_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
+    silk_DWORD_ALIGN opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
+    opus_int32                  LF_shp_Q14[        MAX_NB_SUBFR ];      /* Packs two int16 coefficients per int32 value         */
+    opus_int                    GainsPre_Q14[      MAX_NB_SUBFR ];
+    opus_int                    HarmBoost_Q14[     MAX_NB_SUBFR ];
+    opus_int                    Tilt_Q14[          MAX_NB_SUBFR ];
+    opus_int                    HarmShapeGain_Q14[ MAX_NB_SUBFR ];
+    opus_int                    Lambda_Q10;
+    opus_int                    input_quality_Q14;
+    opus_int                    coding_quality_Q14;
+
+    /* measures */
+    opus_int                    sparseness_Q8;
+    opus_int32                  predGain_Q16;
+    opus_int                    LTPredCodGain_Q7;
+    opus_int32                  ResNrg[ MAX_NB_SUBFR ];                 /* Residual energy per subframe                         */
+    opus_int                    ResNrgQ[ MAX_NB_SUBFR ];                /* Q domain for the residual energy > 0                 */
+
+    /* Parameters for CBR mode */
+    opus_int32                  GainsUnq_Q16[ MAX_NB_SUBFR ];
+    opus_int8                   lastGainIndexPrev;
+} silk_encoder_control_FIX;
+
+/************************/
+/* Encoder Super Struct */
+/************************/
+typedef struct {
+    silk_encoder_state_FIX      state_Fxx[ ENCODER_NUM_CHANNELS ];
+    stereo_enc_state            sStereo;
+    opus_int32                  nBitsUsedLBRR;
+    opus_int32                  nBitsExceeded;
+    opus_int                    nChannelsAPI;
+    opus_int                    nChannelsInternal;
+    opus_int                    nPrevChannelsInternal;
+    opus_int                    timeSinceSwitchAllowed_ms;
+    opus_int                    allowBandwidthSwitch;
+    opus_int                    prev_decode_only_middle;
+} silk_encoder;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif