epoc32/include/videorecorder.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 2 2fe1408b6811
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
williamr@2
     1
// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2
     2
// All rights reserved.
williamr@2
     3
// This component and the accompanying materials are made available
williamr@4
     4
// under the terms of "Eclipse Public License v1.0"
williamr@2
     5
// which accompanies this distribution, and is available
williamr@4
     6
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2
     7
//
williamr@2
     8
// Initial Contributors:
williamr@2
     9
// Nokia Corporation - initial contribution.
williamr@2
    10
//
williamr@2
    11
// Contributors:
williamr@2
    12
//
williamr@2
    13
// Description:
williamr@2
    14
//
williamr@2
    15
williamr@2
    16
#ifndef __VIDEORECORDER_H__
williamr@2
    17
#define __VIDEORECORDER_H__
williamr@2
    18
williamr@2
    19
#include <f32file.h>
williamr@2
    20
#include <mmf/common/mmfbase.h>
williamr@2
    21
#include <mmf/common/mmfutilities.h>
williamr@2
    22
#include <mmf/common/mmfcontroller.h>
williamr@2
    23
#include <mmf/common/mmfstandardcustomcommands.h>
williamr@2
    24
#include <mmf/common/mmfcontrollerframeworkbase.h>
williamr@2
    25
#include <mda/common/base.h>
williamr@2
    26
#include <mmfclntutility.h>      
williamr@2
    27
williamr@2
    28
class CMMFVideoRecorderCallback;
williamr@2
    29
williamr@2
    30
/**
williamr@2
    31
@publishedAll
williamr@2
    32
@released
williamr@2
    33
williamr@2
    34
An interface to a set of video recorder callback functions.
williamr@2
    35
williamr@2
    36
The class is a mixin and is intended to be inherited by the client
williamr@2
    37
class which is observing the video recording operation. The functions
williamr@2
    38
encapsulated by this class are called when specific events occur in
williamr@2
    39
the process of initialising and recording a video clip. A reference to
williamr@2
    40
this object is passed as a parameter when constructing a video recorder
williamr@2
    41
utility object.
williamr@2
    42
williamr@2
    43
@since 7.0s
williamr@2
    44
*/
williamr@2
    45
class MVideoRecorderUtilityObserver
williamr@2
    46
	{
williamr@2
    47
public:
williamr@2
    48
williamr@2
    49
	/**
williamr@2
    50
	Notification to the client that the opening of the video clip has completed,
williamr@2
    51
	successfully, or otherwise.
williamr@2
    52
	
williamr@2
    53
	@param  aError
williamr@2
    54
	        The status of the video recorder after initialisation.
williamr@2
    55
	        This is either KErrNone if the open has completed successfully,
williamr@2
    56
	        or one of the system wide error codes.
williamr@2
    57
	*/
williamr@2
    58
	virtual void MvruoOpenComplete(TInt aError) = 0;  
williamr@2
    59
williamr@2
    60
	/**
williamr@2
    61
	Notification that video recorder is ready to begin recording. This callback
williamr@2
    62
	is generated in response to a call to Prepare.
williamr@2
    63
williamr@2
    64
	@param  aError
williamr@2
    65
	        This is either KErrNone if the video recorder has been prepared for
williamr@2
    66
	        recording successfully, or one of the system wide error codes
williamr@2
    67
	*/
williamr@2
    68
	virtual void MvruoPrepareComplete(TInt aError) = 0;
williamr@2
    69
williamr@2
    70
	/**
williamr@2
    71
	Notification that video recording has completed. This is not called if
williamr@2
    72
	recording is explicitly stopped by calling Stop.
williamr@2
    73
	
williamr@2
    74
	@param  aError
williamr@2
    75
	        This is either KErrNone if recording was completed successfully,
williamr@2
    76
	        or one of the system wide error codes.
williamr@2
    77
	*/
williamr@2
    78
	virtual void MvruoRecordComplete(TInt aError) = 0;
williamr@2
    79
williamr@2
    80
	/**
williamr@2
    81
	General event notification from controller. These events are specified by
williamr@2
    82
	the supplier of the controller.
williamr@2
    83
williamr@2
    84
	@param  aEvent
williamr@2
    85
	        The event sent by the controller.
williamr@2
    86
	*/
williamr@2
    87
	virtual void MvruoEvent(const TMMFEvent& aEvent) = 0;
williamr@2
    88
	};
williamr@2
    89
williamr@2
    90
/**
williamr@2
    91
@publishedAll
williamr@2
    92
@released
williamr@2
    93
williamr@2
    94
Records video data.
williamr@2
    95
williamr@2
    96
The class offers a simple interface to record and set meta data and control information for a video
williamr@2
    97
clip and save the result to a file, descriptor or URL.
williamr@2
    98
williamr@2
    99
Note:
williamr@2
   100
Some video formats also allow the storing of audio data. To accommodate this, this class contains
williamr@2
   101
audio functions that can manipulate such data.
williamr@2
   102
williamr@2
   103
While this class is abstract, NewL() constructs, initialises and returns pointers to instances of
williamr@2
   104
concrete classes derived from this abstract class. This concrete class is part of the MMF
williamr@2
   105
implementation and is private.
williamr@2
   106
williamr@2
   107
@since 7.0s
williamr@2
   108
*/
williamr@2
   109
class CVideoRecorderUtility : public CBase,
williamr@2
   110
							  public MMMFClientUtility
williamr@2
   111
	{
williamr@2
   112
friend class CTestStepUnitMMFVidClient;
williamr@2
   113
williamr@2
   114
	class CBody;
williamr@2
   115
williamr@2
   116
public:
williamr@2
   117
williamr@2
   118
williamr@2
   119
	~CVideoRecorderUtility();
williamr@4
   120
	IMPORT_C static CVideoRecorderUtility* NewL(MVideoRecorderUtilityObserver& aObserver,
williamr@4
   121
												TInt aPriority=EMdaPriorityNormal,
williamr@4
   122
												TInt aPref=EMdaPriorityPreferenceTimeAndQuality);
williamr@2
   123
	IMPORT_C void OpenFileL(const TDesC& aFileName,
williamr@2
   124
							TInt aCameraHandle,
williamr@2
   125
							TUid aControllerUid,
williamr@2
   126
							TUid aVideoFormat,
williamr@2
   127
							const TDesC8& aVideoType = KNullDesC8,
williamr@2
   128
							TFourCC aAudioType = KMMFFourCCCodeNULL);
williamr@2
   129
	IMPORT_C void OpenFileL(const RFile& aFile,
williamr@2
   130
							TInt aCameraHandle,
williamr@2
   131
							TUid aControllerUid,
williamr@2
   132
							TUid aVideoFormat,
williamr@2
   133
							const TDesC8& aVideoType = KNullDesC8,
williamr@2
   134
							TFourCC aAudioType = KMMFFourCCCodeNULL);
williamr@2
   135
    IMPORT_C void OpenDesL(TDes8& aDescriptor,
williamr@2
   136
							TInt aCameraHandle,
williamr@2
   137
							TUid aControllerUid,
williamr@2
   138
							TUid aVideoFormat,
williamr@2
   139
							const TDesC8& aVideoType = KNullDesC8,
williamr@2
   140
							TFourCC aAudioType = KMMFFourCCCodeNULL);
williamr@2
   141
    IMPORT_C void OpenUrlL(const TDesC& aUrl,
williamr@2
   142
							TInt aIapId,
williamr@2
   143
							TInt aCameraHandle,
williamr@2
   144
							TUid aControllerUid,
williamr@2
   145
							TUid aVideoFormat,
williamr@2
   146
							const TDesC8& aVideoType = KNullDesC8,
williamr@2
   147
							TFourCC aAudioType = KMMFFourCCCodeNULL);
williamr@2
   148
    IMPORT_C void Close();
williamr@2
   149
    IMPORT_C void Prepare();
williamr@2
   150
    IMPORT_C void Record();
williamr@2
   151
    IMPORT_C TInt Stop();
williamr@2
   152
    IMPORT_C void PauseL();
williamr@4
   153
    IMPORT_C void SetPriorityL(TInt aPriority, TInt aPref);
williamr@2
   154
    IMPORT_C void GetPriorityL(TInt& aPriority, TMdaPriorityPreference& aPref) const;
williamr@2
   155
    IMPORT_C void SetVideoFrameRateL(TReal32 aFrameRate);
williamr@2
   156
    IMPORT_C TReal32 VideoFrameRateL() const;
williamr@2
   157
    IMPORT_C void SetVideoFrameSizeL(const TSize& aSize);
williamr@2
   158
    IMPORT_C void GetVideoFrameSizeL(TSize& aSize) const;
williamr@2
   159
    IMPORT_C void SetVideoBitRateL(TInt aBitRate);
williamr@2
   160
    IMPORT_C TInt VideoBitRateL();
williamr@2
   161
    IMPORT_C void SetAudioBitRateL(TInt aBitRate);
williamr@2
   162
    IMPORT_C TInt AudioBitRateL() const;
williamr@2
   163
    IMPORT_C void SetAudioEnabledL(TBool aEnabled);
williamr@2
   164
    IMPORT_C TBool AudioEnabledL() const;
williamr@2
   165
    IMPORT_C TTimeIntervalMicroSeconds DurationL() const;
williamr@2
   166
    IMPORT_C void SetMaxClipSizeL(TInt aClipSizeInBytes);
williamr@2
   167
    IMPORT_C void SetGainL(TInt aGain);
williamr@2
   168
    IMPORT_C TInt GainL() const;
williamr@2
   169
    IMPORT_C TInt MaxGainL() const;
williamr@2
   170
    IMPORT_C TInt NumberOfMetaDataEntriesL() const;
williamr@2
   171
    IMPORT_C CMMFMetaDataEntry* MetaDataEntryL(TInt aIndex) const;
williamr@2
   172
    IMPORT_C void AddMetaDataEntryL(const CMMFMetaDataEntry& aNewEntry);
williamr@2
   173
    IMPORT_C void RemoveMetaDataEntryL(TInt aIndex);
williamr@2
   174
    IMPORT_C void ReplaceMetaDataEntryL(TInt aIndex,const CMMFMetaDataEntry& aNewEntry);
williamr@2
   175
    IMPORT_C TFourCC AudioTypeL() const;
williamr@2
   176
    IMPORT_C void SetVideoTypeL(const TDesC8& aType);
williamr@2
   177
    IMPORT_C void SetAudioTypeL(TFourCC aType);
williamr@2
   178
    IMPORT_C void GetSupportedVideoTypesL(CDesC8Array& aVideoTypes) const;
williamr@2
   179
    IMPORT_C void GetSupportedAudioTypesL(RArray<TFourCC>& aAudioTypes) const;
williamr@2
   180
    IMPORT_C TTimeIntervalMicroSeconds RecordTimeAvailable() const;
williamr@2
   181
    IMPORT_C const TDesC8& VideoFormatMimeType() const;
williamr@2
   182
    IMPORT_C const CMMFControllerImplementationInformation& ControllerImplementationInformationL();
williamr@2
   183
    IMPORT_C TInt CustomCommandSync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2, TDes8& aDataFrom);
williamr@2
   184
    IMPORT_C TInt CustomCommandSync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2);
williamr@2
   185
    IMPORT_C void CustomCommandAsync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2, TDes8& aDataFrom, TRequestStatus& aStatus);
williamr@2
   186
    IMPORT_C void CustomCommandAsync(const TMMFMessageDestinationPckg& aDestination, TInt aFunction, const TDesC8& aDataTo1, const TDesC8& aDataTo2, TRequestStatus& aStatus);
williamr@2
   187
    IMPORT_C void SetPixelAspectRatioL(const TVideoAspectRatio& aAspectRatio);
williamr@2
   188
    IMPORT_C void GetPixelAspectRatioL(TVideoAspectRatio& aAspectRatio) const;
williamr@2
   189
    IMPORT_C void GetSupportedPixelAspectRatiosL(RArray<TVideoAspectRatio>& aAspectRatios) const;
williamr@2
   190
    IMPORT_C void SetAudioChannelsL(const TUint aNumChannels);
williamr@2
   191
    IMPORT_C TUint AudioChannelsL() const;
williamr@2
   192
    IMPORT_C void GetSupportedAudioChannelsL(RArray<TUint>& aChannels) const;
williamr@2
   193
    IMPORT_C void SetAudioSampleRateL(const TUint aSampleRate);    
williamr@2
   194
    IMPORT_C TUint AudioSampleRateL() const;
williamr@2
   195
    IMPORT_C void GetSupportedAudioSampleRatesL(RArray<TUint> &aSampleRates) const;
williamr@4
   196
    IMPORT_C void SetVideoEnabledL(TBool aEnabled);
williamr@4
   197
    IMPORT_C TBool VideoEnabledL() const;
williamr@4
   198
    IMPORT_C void SetVideoQualityL(TInt aQuality);
williamr@4
   199
    IMPORT_C TInt VideoQualityL() const;
williamr@4
   200
    IMPORT_C void SetVideoFrameRateFixedL(TBool aFixedFrameRate);
williamr@4
   201
    IMPORT_C TBool VideoFrameRateFixedL() const;
williamr@2
   202
williamr@2
   203
private:
williamr@2
   204
	enum TMMFVideoRecorderState
williamr@2
   205
		{
williamr@2
   206
		EStopped,
williamr@2
   207
		EOpening,
williamr@2
   208
		EPaused,
williamr@2
   209
		ERecording
williamr@2
   210
		};
williamr@2
   211
williamr@2
   212
private:
williamr@2
   213
	CBody* iBody;
williamr@2
   214
	friend class CBody;
williamr@2
   215
	};
williamr@2
   216
williamr@2
   217
#endif