author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 15:47:24 +0300 | |
changeset 23 | 98ccebc37403 |
permissions | -rw-r--r-- |
23
98ccebc37403
Revision: v2.1.24
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/* |
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
98ccebc37403
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* |
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Revision: v2.1.24
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* Initial Contributors: |
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Revision: v2.1.24
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* Nokia Corporation - initial contribution. |
98ccebc37403
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* |
98ccebc37403
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* Contributors: |
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* |
98ccebc37403
Revision: v2.1.24
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* Description: PitchControl controls the pitch. |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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* |
98ccebc37403
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*/ |
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|
98ccebc37403
Revision: v2.1.24
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package com.nokia.microedition.media.control; |
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|
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/** |
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* TempoControl or RateControl methods cannot throw any exceptions. |
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* If an error occurs in native side, native side return default value. |
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*/ |
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Revision: v2.1.24
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public class PitchControl extends ControlImpl |
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implements javax.microedition.media.control.PitchControl |
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{ |
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// these constants come from native side |
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protected static final int NO_ERROR = 0; // native side returns if OK |
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protected static final int PITCH_OFFSET = 1000000; |
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|
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/** |
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* @see PitchControl |
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*/ |
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public int setPitch(int aMillisemitones) |
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{ |
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checkState(); |
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int pitch = |
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_setPitch(iControlHandle, iEventSource, aMillisemitones); |
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if (pitch < NO_ERROR) |
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{ |
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throw new Error("setPitch() failed, Symbian OS error: " |
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+ pitch); |
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} |
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return pitch - PITCH_OFFSET; |
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} |
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|
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/** |
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* @see PitchControl |
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*/ |
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public int getPitch() |
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{ |
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checkState(); |
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int pitch = _getPitch(iControlHandle, iEventSource); |
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if (pitch < NO_ERROR) |
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{ |
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throw new Error( |
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"getPitch() failed, SymbianOS error: " + pitch); |
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} |
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return pitch - PITCH_OFFSET; |
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} |
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|
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/** |
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* @see PitchControl |
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*/ |
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public int getMaxPitch() |
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{ |
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checkState(); |
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int pitch = _getMaxPitch(iControlHandle, iEventSource); |
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if (pitch < NO_ERROR) |
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{ |
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throw new Error( |
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"getMaxPitch() failed, SymbianOS error: " |
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+ pitch); |
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} |
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return pitch - PITCH_OFFSET; |
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} |
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|
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/** |
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* @see PitchControl |
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*/ |
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public int getMinPitch() |
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{ |
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checkState(); |
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int pitch = _getMinPitch(iControlHandle, iEventSource); |
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if (pitch < NO_ERROR) |
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{ |
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throw new Error( |
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"getMinPitch() failed, SymbianOS error: " |
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+ pitch); |
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} |
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return pitch - PITCH_OFFSET; |
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} |
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|
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/** |
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* Native implementation. |
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* |
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* @param aControlHandle Pointer to the native PitchControl object. |
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* @param aEventSourceHandle Pointer to the native event source object. |
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* @param aMillisemitones The number of semi tones to raise the playback |
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* pitch. |
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* @return The actual pitch raise set |
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*/ |
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private native int _setPitch(int aControlHandle, |
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int aEventSourceHandle, |
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int aMillisemitones); |
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|
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/** |
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* Native implementation. |
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* |
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* @param aControlHandle Pointer to the native PitchControl object. |
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* @param aEventSourceHandle Pointer to the native event source object. |
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* @return the current playback pitch raise in "milli-semitones". |
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*/ |
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private native int _getPitch(int aControlHandle, |
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int aEventSourceHandle); |
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|
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|
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/** |
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* Native implementation. |
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* |
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* @param aControlHandle Pointer to the native PitchControl object. |
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* @param aEventSourceHandle Pointer to the native event source object. |
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* @return the maximum pitch raise in "milli-semitones". |
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*/ |
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private native int _getMaxPitch(int aControlHandle, |
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int aEventSourceHandle); |
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|
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/** |
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* Native implementation. |
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* |
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* @param aControlHandle Pointer to the native PitchControl object. |
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* @param aEventSourceHandle Pointer to the native event source object. |
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* @return the minimum pitch raise in "milli-semitones". |
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*/ |
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private native int _getMinPitch(int aControlHandle, |
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int aEventSourceHandle); |
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|
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} |