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

2011-05-30 11:22:19 +00:00
parent 01813fe945
commit 77ae29bc81
1153 changed files with 404089 additions and 0 deletions
--- a/modules/audio_coding/NetEQ/main/source/codec_db.h
+++ b/modules/audio_coding/NetEQ/main/source/codec_db.h
@@ -0,0 +1,126 @@
+/*
+ *  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.
+ */
+
+/*
+ * Interface for the codec database.
+ */
+
+#ifndef CODEC_DB_H
+#define CODEC_DB_H
+
+#include "typedefs.h"
+
+#include "webrtc_neteq.h"
+#include "codec_db_defines.h"
+#include "neteq_defines.h"
+
+#if defined(NETEQ_48KHZ_WIDEBAND)
+    #define NUM_CNG_CODECS 4
+#elif defined(NETEQ_32KHZ_WIDEBAND)
+    #define NUM_CNG_CODECS 3
+#elif defined(NETEQ_WIDEBAND)
+    #define NUM_CNG_CODECS 2
+#else
+    #define NUM_CNG_CODECS 1
+#endif
+
+typedef struct
+{
+
+    WebRtc_Word16 position[NUM_TOTAL_CODECS];
+    WebRtc_Word16 nrOfCodecs;
+
+    WebRtc_Word16 payloadType[NUM_CODECS];
+    FuncDecode funcDecode[NUM_CODECS];
+    FuncDecode funcDecodeRCU[NUM_CODECS];
+    FuncDecodePLC funcDecodePLC[NUM_CODECS];
+    FuncDecodeInit funcDecodeInit[NUM_CODECS];
+    FuncAddLatePkt funcAddLatePkt[NUM_CODECS];
+    FuncGetMDinfo funcGetMDinfo[NUM_CODECS];
+    FuncGetPitchInfo funcGetPitch[NUM_CODECS];
+    FuncUpdBWEst funcUpdBWEst[NUM_CODECS];
+    FuncGetErrorCode funcGetErrorCode[NUM_CODECS];
+    void * codec_state[NUM_CODECS];
+    WebRtc_UWord16 codec_fs[NUM_CODECS];
+    WebRtc_Word16 CNGpayloadType[NUM_CNG_CODECS];
+
+} CodecDbInst_t;
+
+#define NO_SPLIT -1 /* codec payload cannot be split */
+
+typedef struct
+{
+    WebRtc_Word16 deltaBytes;
+    WebRtc_Word16 deltaTime;
+} SplitInfo_t;
+
+/*
+ * Resets the codec database.
+ */
+int WebRtcNetEQ_DbReset(CodecDbInst_t *inst);
+
+/*
+ * Adds a new codec to the database.
+ */
+int WebRtcNetEQ_DbAdd(CodecDbInst_t *inst, enum WebRtcNetEQDecoder codec,
+                      WebRtc_Word16 payloadType, FuncDecode funcDecode,
+                      FuncDecode funcDecodeRCU, FuncDecodePLC funcDecodePLC,
+                      FuncDecodeInit funcDecodeInit, FuncAddLatePkt funcAddLatePkt,
+                      FuncGetMDinfo funcGetMDinfo, FuncGetPitchInfo funcGetPitch,
+                      FuncUpdBWEst funcUpdBWEst, FuncGetErrorCode funcGetErrorCode,
+                      void* codec_state, WebRtc_UWord16 codec_fs);
+
+/*
+ * Removes a codec from the database.
+ */
+int WebRtcNetEQ_DbRemove(CodecDbInst_t *inst, enum WebRtcNetEQDecoder codec);
+
+/*
+ * Get the decoder function pointers for a codec.
+ */
+int WebRtcNetEQ_DbGetPtrs(CodecDbInst_t *inst, enum WebRtcNetEQDecoder,
+                          CodecFuncInst_t *ptr_inst);
+
+/*
+ * Returns payload number given a codec identifier.
+ */
+
+int WebRtcNetEQ_DbGetPayload(CodecDbInst_t *inst, enum WebRtcNetEQDecoder codecID);
+
+/*
+ * Returns codec identifier given a payload number.
+ */
+
+int WebRtcNetEQ_DbGetCodec(CodecDbInst_t *inst, int payloadType);
+
+/*
+ * Extracts the Payload Split information of the codec with the specified payloadType.
+ */
+
+int WebRtcNetEQ_DbGetSplitInfo(SplitInfo_t *inst, enum WebRtcNetEQDecoder codecID,
+                               int codedsize);
+
+/*
+ * Returns 1 if codec is multiple description type, 0 otherwise.
+ */
+int WebRtcNetEQ_DbIsMDCodec(enum WebRtcNetEQDecoder codecID);
+
+/*
+ * Returns 1 if payload type is registered as a CNG codec, 0 otherwise.
+ */
+int WebRtcNetEQ_DbIsCNGPayload(CodecDbInst_t *inst, int payloadType);
+
+/*
+ * Return the sample rate for the codec with the given payload type, 0 if error.
+ */
+WebRtc_UWord16 WebRtcNetEQ_DbGetSampleRate(CodecDbInst_t *inst, int payloadType);
+
+#endif
+