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<concept xml:lang="en" id="GUID-6A7F8298-F3E9-513C-8C1F-D057AC62E5E3"><title>Advanced Settings for Focus, Drive Modes, and Bracket Modes </title><shortdesc>This document provides a detailed description of various advanced settings of Ecam component. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody><section id="GUID-B66B827F-F291-5A87-A96F-0281B5FB2722"><title>Introduction</title> <p>The advanced settings class, <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita#GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4/GUID-E31AEB11-B7A0-3637-BB31-866306F78118"><apiname>CCamera::CCameraAdvancedSettings</apiname></xref>, provides access to common camera hardware settings related to image acquisition for still images and video. </p> <p id="GUID-79C320F6-1B2A-5A91-AEB2-356BB7C0B160"><b>Focus mode</b> </p> <p>The high level steps to set the Camera focus mode are shown here: </p> <ul><li id="GUID-8FEE544B-043C-5A2E-8D1F-29A8336F0CA9"><p>Get the information about the supported focus modes on the camera using the <xref href="GUID-83D453AD-C8D0-33AA-A8AB-6B0342D05741.dita#GUID-83D453AD-C8D0-33AA-A8AB-6B0342D05741/GUID-7DACEEF8-4492-32DB-9FBD-766BF8DF88DF"><apiname>TInt

                  CCamera::CCameraAdvancedSettings::SupportedFocusModes()</apiname></xref> method. </p> </li> <li id="GUID-8B66ECEA-605D-55BC-BA40-679BA9CF1A96"><p>Set a specific focus mode on the camera using the <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-ADD952C2-0AE2-3971-B29B-3A979CB97BE9"><apiname>CCamera::CCameraAdvancedSettings::SetFocusMode()</apiname></xref> method. </p> </li> <li id="GUID-80E965EA-7C42-564E-9FE6-1B04B89359C4"><p>Get the current focus mode on the camera using the <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-D057397E-E483-3082-B1E1-B50CF8D3DD2B"><apiname>CCamera::CCameraAdvancedSettings::FocusMode()</apiname></xref> method. </p> <p>The enumerated type <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-D057397E-E483-3082-B1E1-B50CF8D3DD2B"><apiname>CCamera::CCameraAdvancedSettings::FocusMode()</apiname></xref> defines four supported focus modes: </p> <table id="GUID-02C2468E-DBBF-5137-ACEB-C23FFAFBB468"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><tbody><row><entry><p> <b>Enum Value</b>  </p> </entry> <entry><p> <b>Description</b>  </p> </entry> </row> <row><entry><p> <xref href="GUID-9A06A4D0-6284-3176-9AB3-1C3E79B98B17.dita"><apiname>EFocusModeUnknown</apiname></xref>  </p> </entry> <entry><p>Focus mode is unknown </p> </entry> </row> <row><entry><p> <xref href="GUID-D9429C4E-CB09-33C0-BEB3-137ED8F29611.dita"><apiname>EStabilizationComplexityLow</apiname></xref>  </p> </entry> <entry><p>Focus mode is automatic </p> </entry> </row> <row><entry><p> <xref href="GUID-A8C038E9-9126-34C3-8BE4-4780123D9C19.dita"><apiname>EStabilizationComplexityMedium</apiname></xref>  </p> </entry> <entry><p>Focus is fixed </p> </entry> </row> <row><entry><p> <xref href="GUID-DA7CB865-D120-3FC5-9871-428B0C0DCB8C.dita"><apiname>EStabilizationComplexityHigh</apiname></xref>  </p> </entry> <entry><p>Focus is manually set </p> </entry> </row> </tbody> </tgroup> </table> </li> </ul> <p>The following example shows how to change the focus mode: </p> <codeblock id="GUID-24781D9D-62F0-5A3A-8AE1-A3666AED78E2" xml:space="preserve">    // Assigns the focus mode to be set    

    CCamera::CCameraAdvancedSettings::TFocusMode focusMode = CCamera::CCameraAdvancedSettings::EFocusModeFixed;

    // Gets the supported modes

    TInt suppFocusModes = settings->SupportedFocusModes();// Checks if the focus mode is supported before setting it

    if (focusMode & suppFocusModes)

        {

           // Sets the focus mode if it is supported

        settings->SetFocusMode(focusMode);

        }</codeblock> <p id="GUID-20148E50-5531-595D-AED3-BACF2F5D69A3"><b>Focus range</b> </p> <p>Get the supported focus range using the enumerated type <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-24EC2538-2021-3A84-BBEC-9B07F60D47F1"><apiname>CCamera::CCameraAdvancedSettings::TFocusRange</apiname></xref>. This defines eight supported focus ranges: </p> <table id="GUID-45890051-4539-57F0-A07E-17F4530415D3"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><tbody><row><entry><p> <b>Enum Value</b>  </p> </entry> <entry><p> <b>Description</b>  </p> </entry> </row> <row><entry><p> <xref href="GUID-0C446118-46EC-31D1-9D06-15B50A6A0D46.dita"><apiname>EFocusRangeAuto</apiname></xref>  </p> </entry> <entry><p>Automatic </p> </entry> </row> <row><entry><p> <xref href="GUID-88AF32AF-5B11-3C40-82BE-29C5ACE25FF4.dita"><apiname>EFocusRangeMacro</apiname></xref>  </p> </entry> <entry><p>Focus operates in close range </p> </entry> </row> <row><entry><p> <xref href="GUID-88AF32AF-5B11-3C40-82BE-29C5ACE25FF4.dita"><apiname>EFocusRangeMacro</apiname></xref>  </p> </entry> <entry><p>Normal operation </p> </entry> </row> <row><entry><p> <xref href="GUID-88AF32AF-5B11-3C40-82BE-29C5ACE25FF4.dita"><apiname>EFocusRangeMacro</apiname></xref>  </p> </entry> <entry><p>Extended (tele) operation </p> </entry> </row> <row><entry><p> <xref href="GUID-8299C8D8-2260-3163-9A5B-5A129CAC5C5A.dita"><apiname>EFocusRangePortrait</apiname></xref>  </p> </entry> <entry><p>Focus at larger areas at short to medium distance </p> </entry> </row> <row><entry><p> <xref href="GUID-27C0ABB6-9A85-340D-94B2-020DF2878852.dita"><apiname>EFocusRangeSuperMacro</apiname></xref>  </p> </entry> <entry><p>Optimised macro operation, where depth of field is very shallow and observation area changes quickly </p> </entry> </row> <row><entry><p> <xref href="GUID-4F2CF1F1-DFE9-3F39-BEC8-ECC7D34B8D07.dita"><apiname>EFocusRangeHyperfocal</apiname></xref>  </p> </entry> <entry><p>All objects at distances from half of the hyperfocal distance out to infinity will be in focus. This gives maximum depth of field. </p> </entry> </row> <row><entry><p> <xref href="GUID-C97CC323-120D-3DA7-BE57-DD6DA5B8A355.dita"><apiname>EFocusRangeInfinite</apiname></xref>  </p> </entry> <entry><p>Infinite range, when there is a near obstacle or better focus wanted for far away objects. </p> </entry> </row> </tbody> </tgroup> </table> <p>The following example shows how to change the focus range: </p> <codeblock id="GUID-D65E3CD4-BD93-5D87-AB07-3596BBFFCF21" xml:space="preserve">    // Assigns the focus range to EFocusRangeHyperfocal and checks if it is supported

    CCamera::CCameraAdvancedSettings::TFocusRange focusRange = CCamera::CCameraAdvancedSettings::EFocusRangeHyperfocal;

    // Gets the supported ranges            

    TInt suppRanges = settings->SupportedFocusRanges();

    // Checks if the focus range is supported before setting it.

    if (focusRange & suppRanges) 

        {

        // Sets the focus range if it is supported

        settings->SetFocusRange(focusRange);

        }</codeblock> <p>The result of <xref href="GUID-FF2ABB51-4E7C-3FB5-AC6B-37A00ADA9A47.dita"><apiname>SetFocusRange</apiname></xref> is notified to the client asynchronously through <xref href="GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F.dita#GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F/GUID-AA5629D4-6228-3EAE-86DB-CE8A735557B0"><apiname>MCameraObserver2::HandleEvent()</apiname></xref> and with UID <xref href="GUID-5AA4F8A8-276F-308D-8FDA-4B0A99EB7805.dita"><apiname>KUidECamEventCameraSettingFocusRange2</apiname></xref>. </p> <p id="GUID-13C7E377-B9DB-5382-8D2C-C182D1849AEC"><b> Autofocus types</b> </p> <p>Get the supported autofocus types using the enumerated type <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-03893892-2ADB-3F2F-92ED-92B56FA91732"><apiname>CCamera::CCameraAdvancedSettings::TAutoFocusType</apiname></xref>. This defines three supported focus types: </p> <table id="GUID-3535B88E-68BA-5DAF-B367-24E856B76A8B"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><tbody><row><entry><p> <b>Enum</b>  </p> </entry> <entry><p> <b>Description</b>  </p> </entry> </row> <row><entry><p> <xref href="GUID-4F75D808-7D0B-38F8-8251-E85A03286186.dita"><apiname>EAutoFocusTypeOff</apiname></xref>  </p> </entry> <entry><p>Autofocus is switched off </p> </entry> </row> <row><entry><p> <xref href="GUID-5F4E04B7-45D1-32E3-BAD8-428615C99A7D.dita"><apiname>EAutoFocusTypeSingle</apiname></xref>  </p> </entry> <entry><p>Operates on a single shot, consumes less power </p> </entry> </row> <row><entry><p> <xref href="GUID-47254936-309C-37A7-9753-4C07C4D46EDD.dita"><apiname>EAutoFocusTypeContinuous</apiname></xref>  </p> </entry> <entry><p>Continuous autofocus, more precise but consumes more power. This is also known as AF Servo. </p> </entry> </row> </tbody> </tgroup> </table> <p>The following example shows how to change the autofocus type: </p> <codeblock id="GUID-9FE120BA-04B9-58A4-A319-B820F3274066" xml:space="preserve">    CCamera::CCameraAdvancedSettings::TAutoFocusType focusType = CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff;

    // Gets the supported focus types

    TInt suppFocusTypes = settings->SupportedAutoFocusTypes();

    // Checks if the focus type is supported before setting it.

    if (focusType & suppFocusTypes)

        {

        // Sets the focus type if it is supported

        settings->SetAutoFocusType(focusType);

        }</codeblock> <p>The result of <xref href="GUID-75DE7509-68C6-3A14-BDFF-648DA0B608B0.dita"><apiname>SetAutoFocusType</apiname></xref> is notified to the client asynchronously through <xref href="GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F.dita#GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F/GUID-AA5629D4-6228-3EAE-86DB-CE8A735557B0"><apiname>MCameraObserver2::HandleEvent()</apiname></xref> and with uid <xref href="GUID-7114AB87-6D96-398B-8ABF-A5E9883EB6BD.dita"><apiname>KUidECamEventCameraSettingAutoFocusType2</apiname></xref>. </p> <p id="GUID-6A1C1EAC-092F-59FE-B0FA-74991872A42D"><b> Drive modes</b> </p> <p>Get the supported drive modes for the camera using the enumerated type <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-44BD2C6E-A58B-36F6-8C31-109330FC6D40"><apiname>CCamera::CCameraAdvancedSettings::TDriveMode</apiname></xref> that determines how and in what succession images are captured. This defines eight supported drive modes for the camera with the following Enum Values: </p> <table id="GUID-4D90CBA3-7721-5785-92C2-282EE7996588"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><tbody><row><entry><p> <b>Enum Value</b>  </p> </entry> <entry><p> <b>Description</b>  </p> </entry> </row> <row><entry><p> <xref href="GUID-8B34CD7E-04C5-3EF4-9743-BF1BC8B9AD64.dita"><apiname>EDriveModeAuto</apiname></xref>  </p> </entry> <entry><p>Automatic </p> </entry> </row> <row><entry><p> <xref href="GUID-737A7DBE-7556-3FC8-968C-6770A0A59EFC.dita"><apiname>EDriveModeSingleShot</apiname></xref>  </p> </entry> <entry><p>Camera takes a single image or shot </p> </entry> </row> <row><entry><p> <xref href="GUID-AFDA6C4B-6400-381B-882D-2E1441C61EA7.dita"><apiname>EDriveModeContinuous</apiname></xref>  </p> </entry> <entry><p>Camera continuously captures images as fast as it can until it is stopped or it exceeds the storage space. </p> </entry> </row> <row><entry><p> <xref href="GUID-2F0BC93F-C2FF-324B-A108-94CC27BF1931.dita"><apiname>EDriveModeBracket</apiname></xref>  </p> </entry> <entry><p>Camera is in bracketing mode, producing individual frames. </p> </entry> </row> <row><entry><p> <xref href="GUID-EFFDEF7C-BE5F-376C-8819-F3CA49E7EAA7.dita"><apiname>EDriveModeBracketMerge</apiname></xref>  </p> </entry> <entry><p>Camera is in bracketing mode, but producing a single image. Use <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-45C51172-F35D-3EAE-BD1E-FDFBEC99108D"><apiname>CCamera::CCameraAdvancedSettings::SetBracketMerge</apiname></xref> method to work in this drive mode. </p> </entry> </row> <row><entry><p> <xref href="GUID-FFE93DB5-A36F-34ED-9B8B-0CF01BC9CDA8.dita"><apiname>EDriveModeTimed</apiname></xref>  </p> </entry> <entry><p>Camera captures a single shot after specified time period. Use <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-03A1C480-F9C6-3130-9A51-4080A3745972"><apiname>CCamera::CCameraAdvancedSettings::SetTimerInterval</apiname></xref> method to work in this drive mode. </p> </entry> </row> <row><entry><p> <xref href="GUID-A282F7BF-9D7D-37D1-94C1-5976389A6BC4.dita"><apiname>EDriveModeTimeLapse</apiname></xref>  </p> </entry> <entry><p>Camera captures a set of images with an uniform interval between them. Use <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-FB2F1372-FFF6-3FA1-9094-6C5D1841E154"><apiname>CCamera::CCameraAdvancedSettings::SetTimeLapse</apiname></xref> method to work in this drive mode. </p> </entry> </row> <row><entry><p> <xref href="GUID-E4CF7578-2E5B-3DDB-91B3-7EA5AEF9FCAE.dita"><apiname>EDriveModeBurst</apiname></xref>  </p> </entry> <entry><p>Camera captures a set of images as fast as it can in batches or bursts. Use <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-62E2D492-5FFD-396E-B192-AF4A4B1E3807"><apiname>CCamera::CCameraAdvancedSettings::SetBurstImages</apiname></xref> method to set the number of burst images before capturing the image. </p> <p> <b>Note</b>: There are chances that the actual number of images captured may be less important due to memory or image size limitations. </p> </entry> </row> </tbody> </tgroup> </table> <p>The following example shows how to change the drive mode: </p> <codeblock id="GUID-9FB24CA2-8107-560F-80DA-4ACDE5E93049" xml:space="preserve">    CCamera::CCameraAdvancedSettings::TDriveMode driveMode = CCamera::CCameraAdvancedSettings::EDriveModeSingleShot;

    // Gets the supported drive modes

    TInt suppDriveModes = settings->SupportedDriveModes();

    // Checks if the drive mode is supported before setting it.

    if (driveMode & suppDriveModes) 

        {

        // Sets the drive mode

        settings->(driveMode);

        }</codeblock> <p>The result of <xref href="GUID-FD18B529-8E01-30EA-A604-F2EAB3F0B14B.dita"><apiname>SetDriveMode</apiname></xref> is notified to the client asynchronously through <xref href="GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F.dita#GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F/GUID-AA5629D4-6228-3EAE-86DB-CE8A735557B0"><apiname>MCameraObserver2::HandleEvent()</apiname></xref> and with uid <xref href="GUID-AD1D5E76-4DE1-3D07-9D6F-3B78A27E02C2.dita"><apiname>KUidECamEventCameraSettingDriveMode</apiname></xref>. </p> <p id="GUID-C3CB9300-39D5-5891-8E13-2DDFEFD0D695"><b>Bracket modes</b> </p> <p>Bracket mode is a type of drive mode, which is called using <xref href="GUID-2F0BC93F-C2FF-324B-A108-94CC27BF1931.dita"><apiname>EDriveModeBracket</apiname></xref> method. </p> <p>Bracket mode involves the camera taking a sequence of pictures, while automatically varying a camera setting, such as exposure, over a range of values. The enumerated type <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-BFFB0B95-7F4F-3621-B912-44C8D9FD2FB8"><apiname>CCamera::CCameraAdvancedSettings::TBracketMode</apiname></xref> defines three supported bracket modes for the camera. The setting that is varied is called the bracket parameter, and is represented by the <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-99390FB0-7255-3D11-A060-CFB3F760AB88"><apiname>CCamera::CCameraAdvancedSettings::TBracketParameter</apiname></xref> enumeration, while the scale of the change to the setting to make for each new picture is called the bracket step, and is represented by the <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-7614DD87-7E47-3B79-BEDD-0BC1E1D25732"><apiname>CCamera::CCameraAdvancedSettings::TBracketStep</apiname></xref> enumeration. The possible bracket modes are: </p> <table id="GUID-0A4D293B-F3F0-5FC4-A29D-D180CE4FF947"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><tbody><row><entry><p> <b>Enum Value</b>  </p> </entry> <entry><p> <b>Description</b>  </p> </entry> </row> <row><entry><p> <xref href="GUID-3D4DBEAF-C64B-3C60-B354-E7F1B93B0C8B.dita"><apiname>EBracketModeOff</apiname></xref>  </p> </entry> <entry><p>Bracket mode is switched off. This is the default value. </p> </entry> </row> <row><entry><p> <xref href="GUID-6206412B-7F08-33D1-9F19-0EE8167474AE.dita"><apiname>EBracketMode3Image</apiname></xref>  </p> </entry> <entry><p>Bracket mode on. Three consecutive pictures are taken in order, with the setting at under (-1), on (0), and over (+1). </p> </entry> </row> <row><entry><p> <xref href="GUID-40BA0BC3-1E12-340F-B3E8-4878B6DFA1D9.dita"><apiname>EBracketMode5Image</apiname></xref>  </p> </entry> <entry><p>Bracket mode on. Five consecutive pictures are taken in order, with the setting at under (-2), under (-1), on (0), over (+1), and over (+2). </p> </entry> </row> </tbody> </tgroup> </table> <p>The following example shows how to change the bracket mode: </p> <codeblock id="GUID-381BFE03-77E1-555B-9389-ACDC97DA7261" xml:space="preserve">    CCamera::CCameraAdvancedSettings::TBracketMode bracketMode = CCamera::CCameraAdvancedSettings::EBracketMode3Image;

    // Gets the supported bracket modes

    TInt suppBracketModes = settings->SupportedBracketModes();

    // Checks if the bracket mode is supported before setting it.

    if (bracketMode & suppBracketModes) 

        {

        settings->SetBracketMode(bracketMode);    

        }</codeblock> <p><b>Zoom Mode</b> </p> <p>The high level steps to perform various operations in zoom mode are listed below: </p> <ul><li id="GUID-0F61E199-4297-505B-BC1F-D6F5FE6B073B"><p>Get the continuous zoom types supported by the camera using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-A9D173CE-D76E-38A3-8F86-DE6215761BEF"><apiname>CCamera::CCameraAdvancedSettings::GetSupportedContinuousZoomTypeL</apiname></xref> method. </p> </li> <li id="GUID-CAB0F4ED-DFFD-5C8B-B6E0-0B232CDCDD27"><p>Start continuous zoom using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-A1ED1C7B-D09B-362A-ABAB-0793B2D57E19"><apiname>CCamera::CCameraAdvancedSettings::StartContinuousZoomL()</apiname></xref> method with specified continuous zoom type and the zoom direction. </p> </li> <li id="GUID-03EFA212-975F-5A77-BAFE-C410C015EC18"><p>Notify the client about the extent of continuous zoom achieved using event <xref href="GUID-737C1562-BAFA-3B6D-ABE5-98272DD91C32.dita"><apiname>KUidECamEvent2CameraSettingContinuousZoomPercentageCompletion</apiname></xref>. When continuous zoom reached its limit, notify the client using event <xref href="GUID-C3FFA191-0F6C-3E5B-A606-17E2CB64B623.dita"><apiname>KUidECamEventCameraSettingContinuousZoomReachedLimit</apiname></xref>. </p> </li> <li id="GUID-710E7302-2333-51DC-820D-7F05E8CE5A36"><p>Stop continuous zoom using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-1EA4029D-502F-378E-8E6B-0D15D9C98031"><apiname>CCamera::CCameraAdvancedSettings::StopContinuousZoom()</apiname></xref> method. </p> </li> </ul> <p><b>Extending Pixel Aspect Ratio</b> </p> <p>You can use the pixel aspect ratio to provide settings for PAL, NTSC and NTSC4:3. For this, you need to extend the enumeration of Enum <xref href="GUID-5AD70A40-E28A-3272-8196-0B32F370D6A5.dita"><apiname>TPixelAspectRatio</apiname></xref> as follows: </p> <table id="GUID-DD24C53C-8C60-5EAF-9B7A-05A3A34018F3"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><tbody><row><entry><p> <b>Enum Value</b>  </p> </entry> <entry><p> <b>Description</b>  </p> </entry> </row> <row><entry><p>TPixelAspectRatio:: EEPixelAspect16:11 </p> </entry> <entry><p>PAL </p> </entry> </row> <row><entry><p>TPixelAspectRatio:: EEPixelAspect40:33 </p> </entry> <entry><p>NTSC </p> </entry> </row> <row><entry><p>TPixelAspectRatio:: EEPixelAspect10:11 </p> </entry> <entry><p>NTSC4:3 </p> </entry> </row> </tbody> </tgroup> </table> <p>Use <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-429847B5-ED64-39BB-9094-A966BDF1796F"><apiname>CCamera::CCameraAdvancedSettings::PixelAspectRatio()</apiname></xref> method to get the current pixel aspect ratio. </p> <p>Use <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-DCA3E3CB-11A4-362B-911D-55D3A4DCDAB0"><apiname>CCamera::CCameraAdvancedSettings::SetPixelAspectRatio()</apiname></xref> method to set the pixel aspect ratio. Notify <xref href="GUID-09C6DDB6-A208-3C81-9F54-697D4865D99F.dita"><apiname>MCameraObserver2</apiname></xref> clients with <xref href="GUID-778E500B-F707-303B-8B33-C864D36DE21B.dita"><apiname>KUidECamEventPixelAspectRatio</apiname></xref> event. </p> </section> <section><title>Miscellaneous</title> <p>This section details the miscellaneous APIs used in <xref href="GUID-67DF1203-B840-3C25-8EB5-3F0C8F28A4FF.dita"><apiname>CCameraAdvancedSettings</apiname></xref> class. </p> <ul><li id="GUID-95245D67-3B97-52CE-B0E5-40C8143BB63A"><p> <b> ISO rates </b>: ISO indicates the sensitivity of the image sensor and is also a parameter that influences the exposure. </p> <ul><li id="GUID-8376DD53-898A-5CB2-A580-681A14707207"><p>Get the set of camera supported ISO rates using the<xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-E77ED144-D7AE-3362-B89E-46BB2675E75B"><apiname>CCamera::CCameraAdvancedSettings::GetSupportedIsoRatesL()</apiname></xref> method. The Enum value <xref href="GUID-ACE75271-9B07-3E1A-9FFA-22F3E6CA2432.dita"><apiname>TISORateType</apiname></xref> specifies the ISO type supported by the camera. </p> </li> <li id="GUID-5DBE8988-FE71-54C3-80DD-A72DEA495F20"><p>When camera device does not reveal the ISO supported rates, it has to be assumed that camera will work only on the permanently set value. If this value is not known, returns empty array and corresponding getter or setters for this feature should not be used in such a case. </p> </li> <li id="GUID-1F3848E6-6763-591A-9514-091ECEBFBAD0"><p>Set the type of ISO rate and the exposure parameter or specific value using the <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-2910866C-5AB0-30D8-85D3-2A9C4C517AA2"><apiname>CCamera::CCameraAdvancedSettings::SetISORateL()</apiname></xref> method. </p> </li> <li id="GUID-60604442-D930-5C55-8D2F-F23C891A6590"><p>Get the type of ISO rate, exposure parameter and the value set using the <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-5636230D-DDF3-3E72-AB2A-DDAD3886AD26"><apiname>CCamera::CCameraAdvancedSettings::GetISORateL()</apiname></xref> method. </p> </li> <li id="GUID-5BEE22FB-1B43-5B83-ABA9-E9BEEA17D30F"><p>Get current ISO rate using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-3886CD52-B71A-31AC-A6BA-20CBE93A3965"><apiname>CCamera::CCameraAdvancedSettings::IsoRate()</apiname></xref>. </p> </li> </ul> </li> <li id="GUID-963323CA-0ABE-5DDF-A0C9-6667FD98D20B"><p>Get current aperture value using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-D383977E-EC59-37CA-9F23-440EC5CCF1CC"><apiname>CCamera::CCameraAdvancedSettings::Aperture()</apiname></xref>. For example, the function returns 280 for the actual aperture of F2.8. If the value returned is Negative, indicates the error case (system wide error code) and positive represents the current aperture value. </p> </li> <li id="GUID-B8F1D3F3-64AB-53B6-B836-36899A5806EC"><p>Get the current shutter speed in microseconds using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-7D10B49C-98D3-3AD9-A3AF-26A2AB40EA40"><apiname>CCamera::CCameraAdvancedSettings::ShutterSpeed()</apiname></xref>. If the value returned is Negative, indicates the error case (system wide error code) and positive represents the current shutter speed. </p> </li> <li id="GUID-C7ECE3F7-F3A9-5397-B745-AFA20F8D8DC4"><p>Get all supported metering modes on this camera using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-FAA5F5AE-63CE-3FAA-8C44-9755A3A2CB46"><apiname>CCamera::CCameraAdvancedSettings::SupportedMeteringModes()</apiname></xref>. </p> </li> <li id="GUID-E3E794F1-2773-5C10-8EF1-ED7538C4CFE1"><p>Get all supported drive modes as bitfields of <xref href="GUID-FAF63EED-08F8-3374-AFF6-4FBD6F17CD3F.dita"><apiname>TDriveMode</apiname></xref> type using <xref href="GUID-E31AEB11-B7A0-3637-BB31-866306F78118.dita#GUID-E31AEB11-B7A0-3637-BB31-866306F78118/GUID-B80036F6-E8AA-3602-B006-407F3A38EB78"><apiname>CCamera::CCameraAdvancedSettings::SupportedDriveModes()</apiname></xref>. </p> </li> <li id="GUID-D2CDDC69-DDA0-5682-852D-EB984B84F6A5"><p>Get the currently set flash mode using <xref href="GUID-F2F1CCCF-53DF-3297-B8E0-C5C3E52EF24F.dita#GUID-F2F1CCCF-53DF-3297-B8E0-C5C3E52EF24F/GUID-27F0A794-78A7-3318-9D99-B74DEF131795"><apiname>CCamera::TFlash

                CCamera::CCameraAdvancedSettings::FlashMode()</apiname></xref>. </p> </li> </ul> </section> <section><title>See also</title> <p><xref href="GUID-176913BA-3877-58E2-9E12-3606EE697813.dita">Overview</xref> for the advanced settings of Camera </p> <p>The <xref href="GUID-0FD204B8-4207-577B-AF3A-6E210D63F78E.dita">Advanced Camera Settings</xref> tutorial </p> </section> </conbody></concept>