/*

* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:

*

* Description:  Video parameters optimized for reference HW

*                when porting to another HW these may need to be changed

*

*/

#ifndef CCMRVIDEOHWPARAMS_H

#define CCMRVIDEOHWPARAMS_H

// INCLUDES

#include "CCMRVideoSettings.h"

// GENERIC CONSTANTS

// lipsync: 

// give larger number if video is ahead/audio is late (more audio recorded than video)

// give smaller number if video is behind/audio is early

// if value is negative, video should "pause" for a while, if positive, video should fast forward

// first values for HW codecs (DevSound outputs compressed data)

const TInt KCMRInitialVideoAudioTimeSyncHW = -100;   

const TInt KCMRPauseVideoAudioTimeSyncHW = -100;   

// the same values for SW codecs (DevSound outputs PCM)

const TInt KCMRInitialVideoAudioTimeSyncSW = 0;  

const TInt KCMRPauseVideoAudioTimeSyncSW = -60;  

// values for DirectCapture encoders (camcorderMMFPlugin doestn't provide raw image data, but encoder

// uses camera directly).

const TInt KCMRInitialVideoAudioTimeSyncDC = -200;

const TInt KCMRPauseVideoAudioTimeSyncDC = -65;

const TInt KCMRPauseVideoAudioTimeSyncDC_LowSampleRate = 0;

const TInt KCMRPauseVideoAudioTimeSyncDC_LowSampleRateValue = 8000;

const TInt KCMRPauseVideoAudioTimeSyncDC_MidSampleRate = -137;

const TInt KCMRPauseVideoAudioTimeSyncDC_MidSampleRateValue = 16000;

// default video complexity settings. If HW device doesn't support given level, 0 is used

const TInt KCMRVideoComplexityARMSubQCIF = 0; // 0 is the highest

const TInt KCMRVideoComplexityARMQCIF = 1; // 0 is the highest, but use 1 

// night mode framerate, assumes camera HW 

const TReal32 KCMRNightModeFrameRate = 3.75;//This is assumed to be KCMRFrameRate/4 but some compilers don't like if const is divided

// Average video bitrate is assumed to be 90% of the target. This depends on the HW performance and encoder's rate control etc, 

// but may also depend on the content of video and may hence be difficult to hardcode. By default the encoder is asked to use

// "semi-variable bitrate" meaning that it is asked prefer quality over constant rate (KCMRLatencyQyalityTradeoff in CCMRVideoSettings.h)

// but it depends on the encoder if it can follow the setting. This settings has direct impact to the estimated remaining recording time

// in the beginning of recording

const TReal KCMRAvgVideoBitRateScaler = 0.9;

// Preferred AAC audio samplerates based on video framesize.

const TInt KCMRAACAudioSampleRateWithVGA = 48000;

const TInt KCMRAACAudioSampleRateWithQVGA = 48000;

const TInt KCMRAACAudioSampleRateWithCIF = 16000;

// Preferred AAC audio channelmode based on video framesize (mono=1, stereo=2).

const TInt KCMRAACAudioChannelModeWithVGA = 2;

const TInt KCMRAACAudioChannelModeWithQVGA = 2;

const TInt KCMRAACAudioChannelModeWithCIF = 1;

#endif // CCMRVIDEOSETTINGS_H

// End of file