git-svn-id: http://webrtc.googlecode.com/svn/trunk@156 4adac7df-926f-26a2-2b94-8c16560cd09d

2011-07-07 08:21:25 +00:00
parent f0a476bf76
commit 470e71d364
1648 changed files with 544173 additions and 0 deletions
--- a/src/modules/audio_coding/codecs/iSAC/fix/source/codec.h
+++ b/src/modules/audio_coding/codecs/iSAC/fix/source/codec.h
@@ -0,0 +1,141 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+/*
+ * codec.h
+ *
+ * This header file contains the calls to the internal encoder
+ * and decoder functions.
+ *
+ */
+
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_CODEC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_CODEC_H_
+
+#include "structs.h"
+
+
+int WebRtcIsacfix_EstimateBandwidth(BwEstimatorstr   *bwest_str,
+                                    Bitstr_dec       *streamdata,
+                                    WebRtc_Word32      packet_size,
+                                    WebRtc_UWord16     rtp_seq_number,
+                                    WebRtc_UWord32     send_ts,
+                                    WebRtc_UWord32     arr_ts);
+
+WebRtc_Word16 WebRtcIsacfix_DecodeImpl(WebRtc_Word16   *signal_out16,
+                                       ISACFIX_DecInst_t  *ISACdec_obj,
+                                       WebRtc_Word16        *current_framesamples);
+
+WebRtc_Word16 WebRtcIsacfix_DecodePlcImpl(WebRtc_Word16       *decoded,
+                                          ISACFIX_DecInst_t *ISACdec_obj,
+                                          WebRtc_Word16       *current_framesample );
+
+int WebRtcIsacfix_EncodeImpl(WebRtc_Word16      *in,
+                             ISACFIX_EncInst_t  *ISACenc_obj,
+                             BwEstimatorstr      *bw_estimatordata,
+                             WebRtc_Word16         CodingMode);
+
+int WebRtcIsacfix_EncodeStoredData(ISACFIX_EncInst_t  *ISACenc_obj,
+                                   int     BWnumber,
+                                   float              scale,
+                                   WebRtc_Word16        CodingMode);
+
+/************************** initialization functions *************************/
+
+void WebRtcIsacfix_InitMaskingEnc(MaskFiltstr_enc *maskdata);
+void WebRtcIsacfix_InitMaskingDec(MaskFiltstr_dec *maskdata);
+
+void WebRtcIsacfix_InitPreFilterbank(PreFiltBankstr *prefiltdata);
+
+void WebRtcIsacfix_InitPostFilterbank(PostFiltBankstr *postfiltdata);
+
+void WebRtcIsacfix_InitPitchFilter(PitchFiltstr *pitchfiltdata);
+
+void WebRtcIsacfix_InitPitchAnalysis(PitchAnalysisStruct *State);
+
+void WebRtcIsacfix_InitPlc( PLCstr *State );
+
+
+/**************************** transform functions ****************************/
+
+void WebRtcIsacfix_InitTransform();
+
+
+void WebRtcIsacfix_Time2Spec(WebRtc_Word16 *inre1Q9,
+                             WebRtc_Word16 *inre2Q9,
+                             WebRtc_Word16 *outre,
+                             WebRtc_Word16 *outim);
+
+
+
+void WebRtcIsacfix_Spec2Time(WebRtc_Word16 *inreQ7,
+                             WebRtc_Word16 *inimQ7,
+                             WebRtc_Word32 *outre1Q16,
+                             WebRtc_Word32 *outre2Q16);
+
+
+
+
+/***************************** filterbank functions **************************/
+
+
+
+void WebRtcIsacfix_SplitAndFilter1(WebRtc_Word16    *in,
+                                   WebRtc_Word16    *LP16,
+                                   WebRtc_Word16    *HP16,
+                                   PreFiltBankstr *prefiltdata);
+
+void WebRtcIsacfix_FilterAndCombine1(WebRtc_Word16     *tempin_ch1,
+                                     WebRtc_Word16     *tempin_ch2,
+                                     WebRtc_Word16     *out16,
+                                     PostFiltBankstr *postfiltdata);
+
+#ifdef NB_CALLS
+
+void WebRtcIsacfix_SplitAndFilter2(WebRtc_Word16    *in,
+                                   WebRtc_Word16    *LP16,
+                                   WebRtc_Word16    *HP16,
+                                   PreFiltBankstr *prefiltdata);
+
+void WebRtcIsacfix_FilterAndCombine2(WebRtc_Word16     *tempin_ch1,
+                                     WebRtc_Word16     *tempin_ch2,
+                                     WebRtc_Word16     *out16,
+                                     PostFiltBankstr *postfiltdata,
+                                     WebRtc_Word16     len);
+
+#endif
+
+/************************* normalized lattice filters ************************/
+
+
+void WebRtcIsacfix_NormLatticeFilterMa(WebRtc_Word16 orderCoef,
+                                       WebRtc_Word32 *stateGQ15,
+                                       WebRtc_Word16 *lat_inQ0,
+                                       WebRtc_Word16 *filt_coefQ15,
+                                       WebRtc_Word32 *gain_lo_hiQ17,
+                                       WebRtc_Word16 lo_hi,
+                                       WebRtc_Word16 *lat_outQ9);
+
+
+void WebRtcIsacfix_NormLatticeFilterAr(WebRtc_Word16 orderCoef,
+                                       WebRtc_Word16 *stateGQ0,
+                                       WebRtc_Word32 *lat_inQ25,
+                                       WebRtc_Word16 *filt_coefQ15,
+                                       WebRtc_Word32 *gain_lo_hiQ17,
+                                       WebRtc_Word16 lo_hi,
+                                       WebRtc_Word16 *lat_outQ0);
+
+int WebRtcIsacfix_AutocorrFix(WebRtc_Word32        *r,
+                              const WebRtc_Word16 *x,
+                              WebRtc_Word16        N,
+                              WebRtc_Word16        order,
+                              WebRtc_Word16        *scale);
+
+#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_CODEC_H_ */