videoeditorengine/audioeditorengine/inc/audconstants.h
changeset 0 951a5db380a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/audioeditorengine/inc/audconstants.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - Initial contribution
+*
+* Contributors:
+* Ixonos Plc
+*
+* Description:  
+* Common internal constants for audio.
+*
+*/
+
+
+
+#ifndef __AUDCONSTANTS_H__
+#define __AUDCONSTANTS_H__
+
+
+
+// CONSTANTS
+
+const TInt KAedSampleRate8kHz = 8000;
+const TInt KAedSampleRate11kHz = 11025;
+const TInt KAedSampleRate16kHz = 16000;
+const TInt KAedSampleRate22kHz = 22050;
+const TInt KAedSampleRate24kHz = 24000;
+const TInt KAedSampleRate32kHz = 32000;
+const TInt KAedSampleRate44kHz = 44100;
+const TInt KAedSampleRate48kHz = 48000;
+
+const TInt KAedBitRateAMR = 12200;
+const TInt KAedBitRateAAC16kHz = 48000;
+const TInt KAedBitRateAAC48kHz = 192000;
+
+const TInt KAedAACMinBitRateMultiplier = 1; // min bitrate is 1 bit per sample
+const TInt KAedAACMaxBitRateMultiplier = 6; // max bitrate is 6 bits per sample
+
+const TInt KAedAMRFrameDuration = 20000;
+
+const TInt KAedSizeAACBuffer = 2048;
+const TInt KAedSizeAACStereoBuffer = 4096;
+const TInt KAedMaxFeedBufferSize = 4096;
+const TInt KAedMaxAACFrameLengthPerChannel = 768;
+const TInt KAedMaxAMRFrameLength = 32;
+const TInt KAedMaxAWBFrameLength = 61;
+const TInt KAedMaxMP3FrameLength = 1440;
+const TInt KAedSizeAMRBuffer = 320;
+const TInt KAedSizeAWBBuffer = 640;
+
+const TInt KAedMinAMRBitRate = 400;      // voice activity detection creates at least 1 byte per frame => 50 bytes/s = 400 bits/s
+const TInt KAedMaxAMRBitRate = 12200;
+const TInt KAedNumSupportedAACSampleRates = 2;
+const TInt KAedSupportedAACSampleRates[KAedNumSupportedAACSampleRates] = {KAedSampleRate16kHz, KAedSampleRate48kHz};
+
+// Max resolution for visualization; this should cover > 30 minute clip if 5 samples per sec are requested 
+const TInt KAedMaxVisualizationResolution = 10000;
+
+// UId of the AAC CMMFCodec encoder
+const TUid KAedAACEncSWCodecUid = {0x1020382F};    //KAdvancedUidCodecPCM16ToAAC
+// UId of the AMR-NB CMMFCodec encoder
+const TUid KAedAMRNBEncSWCodecUid = {0x101FAF68};    //KAdvancedUidCodecPCM16ToAMR
+
+// UId of the AAC CMMFCodec decoder
+const TUid KMmfAACDecSWCodecUid = {0x101FAF81};    //KMmfUidCodecAACToPCM16
+// UId of the AMR-NB CMMFCodec decoder
+const TUid KMmfAMRNBDecSWCodecUid = {0x101FAF67};    //KAdvancedUidCodecAMRToPCM16
+// UId of the eAAC+ CMMFCodec decoder
+const TUid KMmfUidCodecEnhAACPlusToPCM16 = {0x10207AA9};
+// UId of the AMR-WB CMMFCodec decoder
+const TUid KMmfAMRWBDecSWCodecUid = {0x101FAF5E};
+// UId of the MP3 CMMFCodec decoder
+const TUid KMmfAdvancedUidCodecMP3ToPCM16 = {0x101FAF85};
+
+// FourCC for the eAAC+
+const TUint32 KMMFFourCCCodeAACPlus = 0x43414520;		//(' ','E','A','C')
+
+// Used in CProcInFileHandler::GetGainNow() to reduce positive gains
+const TInt KAedPositiveGainDivider = 5;
+
+
+#endif // __AUDCONSTANTS_H__
+