Merge "Move Camera.Sound to a stand-alone class CameraSound." into ics-mr1
This commit is contained in:
Wu-cheng Li
@@ -22,12 +22,9 @@ import android.graphics.ImageFormat;
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import android.graphics.Point;
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import android.graphics.Rect;
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import android.graphics.SurfaceTexture;
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import android.media.AudioManager;
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import android.media.MediaPlayer;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.Message;
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import android.os.SystemProperties;
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import android.util.Log;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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@@ -157,7 +154,6 @@ public class Camera {
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private boolean mOneShot;
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private boolean mWithBuffer;
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private boolean mFaceDetectionRunning = false;
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private boolean mReleased = false;
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/**
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* Broadcast Action: A new picture is taken by the camera, and the entry of
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@@ -322,15 +318,6 @@ public class Camera {
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public final void release() {
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native_release();
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mFaceDetectionRunning = false;
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if (mCameraSoundPlayers != null) {
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for (CameraSoundPlayer csp: mCameraSoundPlayers) {
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if (csp != null) {
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csp.release();
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}
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}
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mCameraSoundPlayers = null;
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}
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mReleased = true;
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}
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/**
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@@ -3503,194 +3490,4 @@ public class Camera {
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return false;
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}
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};
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/**
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* <p>The set of default system sounds for camera actions. Use this with
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* {@link #playSound} to play an appropriate sound when implementing a
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* custom still or video recording mechanism through the preview
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* callbacks.</p>
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*
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* <p>There is no need to play sounds when using {@link #takePicture} or
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* {@link android.media.MediaRecorder} for still images or video,
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* respectively, as these play their own sounds when needed.</p>
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*
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* @see #playSound
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* @hide
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*/
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public static class Sound {
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/**
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* The sound used by {@link android.hardware.Camera#takePicture} to
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* indicate still image capture.
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*/
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public static final int SHUTTER_CLICK = 0;
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/**
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* A sound to indicate that focusing has completed. Because deciding
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* when this occurs is application-dependent, this sound is not used by
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* any methods in the Camera class.
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*/
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public static final int FOCUS_COMPLETE = 1;
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/**
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* The sound used by {@link android.media.MediaRecorder#start} to
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* indicate the start of video recording.
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*/
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public static final int START_VIDEO_RECORDING = 2;
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/**
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* The sound used by {@link android.media.MediaRecorder#stop} to
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* indicate the end of video recording.
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*/
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public static final int STOP_VIDEO_RECORDING = 3;
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private static final int NUM_SOUNDS = 4;
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};
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/**
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* <p>Play one of the predefined platform sounds for camera actions.</p>
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*
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* <p>Use this method to play a platform-specific sound for various camera
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* actions. The sound playing is done asynchronously, with the same behavior
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* and content as the sounds played by {@link #takePicture takePicture},
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* {@link android.media.MediaRecorder#start MediaRecorder.start}, and
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* {@link android.media.MediaRecorder#stop MediaRecorder.stop}.</p>
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*
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* <p>Using this method makes it easy to match the default device sounds
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* when recording or capturing data through the preview callbacks
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* ({@link #setPreviewCallback setPreviewCallback},
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* {@link #setPreviewTexture setPreviewTexture}).</p>
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*
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* @param soundId The type of sound to play, selected from the options in
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* {@link android.hardware.Camera.Sound}
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* @see android.hardware.Camera.Sound
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* @see #takePicture
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* @see android.media.MediaRecorder
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* @hide
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*/
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public void playSound(int soundId) {
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if (mReleased) return;
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if (mCameraSoundPlayers == null) {
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mCameraSoundPlayers = new CameraSoundPlayer[Sound.NUM_SOUNDS];
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}
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if (mCameraSoundPlayers[soundId] == null) {
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mCameraSoundPlayers[soundId] = new CameraSoundPlayer(soundId);
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}
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mCameraSoundPlayers[soundId].play();
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}
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private CameraSoundPlayer[] mCameraSoundPlayers;
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private static class CameraSoundPlayer implements Runnable {
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private int mSoundId;
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private int mAudioStreamType;
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private MediaPlayer mPlayer;
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private Thread mThread;
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private boolean mExit;
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private int mPlayCount;
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private static final String mShutterSound =
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"/system/media/audio/ui/camera_click.ogg";
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private static final String mFocusSound =
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"/system/media/audio/ui/camera_focus.ogg";
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private static final String mVideoStartSound =
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"/system/media/audio/ui/VideoRecord.ogg";
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private static final String mVideoStopSound =
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"/system/media/audio/ui/VideoRecord.ogg";
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@Override
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public void run() {
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String soundFilePath;
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switch (mSoundId) {
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case Sound.SHUTTER_CLICK:
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soundFilePath = mShutterSound;
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break;
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case Sound.FOCUS_COMPLETE:
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soundFilePath = mFocusSound;
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break;
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case Sound.START_VIDEO_RECORDING:
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soundFilePath = mVideoStartSound;
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break;
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case Sound.STOP_VIDEO_RECORDING:
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soundFilePath = mVideoStopSound;
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break;
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default:
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Log.e(TAG, "Unknown sound " + mSoundId + " requested.");
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return;
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}
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mPlayer = new MediaPlayer();
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try {
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mPlayer.setAudioStreamType(mAudioStreamType);
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mPlayer.setDataSource(soundFilePath);
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mPlayer.setLooping(false);
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mPlayer.prepare();
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} catch(IOException e) {
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Log.e(TAG, "Error setting up sound " + mSoundId, e);
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return;
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}
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while(true) {
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try {
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synchronized (this) {
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while(true) {
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if (mExit) {
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return;
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} else if (mPlayCount <= 0) {
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wait();
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} else {
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mPlayCount--;
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break;
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}
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}
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}
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mPlayer.start();
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} catch (Exception e) {
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Log.e(TAG, "Error playing sound " + mSoundId, e);
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}
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}
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}
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public CameraSoundPlayer(int soundId) {
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mSoundId = soundId;
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if (SystemProperties.get("ro.camera.sound.forced", "0").equals("0")) {
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mAudioStreamType = AudioManager.STREAM_MUSIC;
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} else {
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mAudioStreamType = AudioManager.STREAM_SYSTEM_ENFORCED;
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}
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}
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public void play() {
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if (mThread == null) {
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mThread = new Thread(this);
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mThread.start();
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}
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synchronized (this) {
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mPlayCount++;
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notifyAll();
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}
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}
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public void release() {
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if (mThread != null) {
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synchronized (this) {
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mExit = true;
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notifyAll();
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}
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try {
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mThread.join();
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} catch (InterruptedException e) {
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}
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mThread = null;
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}
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if (mPlayer != null) {
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mPlayer.release();
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mPlayer = null;
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}
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}
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@Override
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protected void finalize() {
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release();
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}
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}
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}
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223
core/java/android/hardware/CameraSound.java
Normal file
223
core/java/android/hardware/CameraSound.java
Normal file
@@ -0,0 +1,223 @@
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware;
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import android.media.AudioManager;
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import android.media.MediaPlayer;
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import android.os.SystemProperties;
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import android.util.Log;
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import java.io.IOException;
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/**
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* <p>Use this class to play an appropriate sound when implementing a custom
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* still or video recording mechanism through the preview callbacks.</p>
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*
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* <p>There is no need to play sounds when using {@link #android.hardware.Camera#takePicture}
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* or {@link android.media.MediaRecorder} for still images or video,
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* respectively, as these play their own sounds when needed.</p>
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*
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* @hide
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*/
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public class CameraSound {
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private static final String TAG = "CameraSound";
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/**
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* The sound used by {@link android.hardware.Camera#takePicture} to
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* indicate still image capture.
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*/
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public static final int SHUTTER_CLICK = 0;
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/**
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* A sound to indicate that focusing has completed. Because deciding
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* when this occurs is application-dependent, this sound is not used by
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* any methods in the Camera class.
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*/
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public static final int FOCUS_COMPLETE = 1;
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/**
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* The sound used by {@link android.media.MediaRecorder#start} to
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* indicate the start of video recording.
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*/
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public static final int START_VIDEO_RECORDING = 2;
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/**
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* The sound used by {@link android.media.MediaRecorder#stop} to
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* indicate the end of video recording.
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*/
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public static final int STOP_VIDEO_RECORDING = 3;
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private static final int NUM_SOUNDS = 4;
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private CameraSoundPlayer[] mCameraSoundPlayers;
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public CameraSound() {
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}
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/**
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* <p>Play one of the predefined platform sounds for camera actions.</p>
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*
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* <p>Use this method to play a platform-specific sound for various camera
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* actions. The sound playing is done asynchronously, with the same behavior
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* and content as the sounds played by {@link #takePicture takePicture},
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* {@link android.media.MediaRecorder#start MediaRecorder.start}, and
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* {@link android.media.MediaRecorder#stop MediaRecorder.stop}.</p>
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*
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* <p>Using this method makes it easy to match the default device sounds
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* when recording or capturing data through the preview callbacks.</p>
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*
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* @param soundId The type of sound to play, selected from SHUTTER_CLICK,
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* FOCUS_COMPLETE, START_VIDEO_RECORDING, or STOP_VIDEO_RECORDING.
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* @see android.hardware#takePicture
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* @see android.media.MediaRecorder
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* @see #SHUTTER_CLICK
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* @see #FOCUS_COMPLETE
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* @see #START_VIDEO_RECORDING
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* @see #STOP_VIDEO_RECORDING
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*/
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public void playSound(int soundId) {
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if (mCameraSoundPlayers == null) {
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mCameraSoundPlayers = new CameraSoundPlayer[NUM_SOUNDS];
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}
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if (mCameraSoundPlayers[soundId] == null) {
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mCameraSoundPlayers[soundId] = new CameraSoundPlayer(soundId);
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}
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mCameraSoundPlayers[soundId].play();
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}
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public void release() {
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if (mCameraSoundPlayers != null) {
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for (CameraSoundPlayer csp: mCameraSoundPlayers) {
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if (csp != null) {
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csp.release();
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}
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}
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mCameraSoundPlayers = null;
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}
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}
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private static class CameraSoundPlayer implements Runnable {
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private int mSoundId;
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private int mAudioStreamType;
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private MediaPlayer mPlayer;
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private Thread mThread;
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private boolean mExit;
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private int mPlayCount;
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private static final String mShutterSound =
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"/system/media/audio/ui/camera_click.ogg";
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private static final String mFocusSound =
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"/system/media/audio/ui/camera_focus.ogg";
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private static final String mVideoStartSound =
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"/system/media/audio/ui/VideoRecord.ogg";
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private static final String mVideoStopSound =
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"/system/media/audio/ui/VideoRecord.ogg";
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@Override
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public void run() {
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String soundFilePath;
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switch (mSoundId) {
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case SHUTTER_CLICK:
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soundFilePath = mShutterSound;
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break;
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case FOCUS_COMPLETE:
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soundFilePath = mFocusSound;
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break;
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case START_VIDEO_RECORDING:
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soundFilePath = mVideoStartSound;
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break;
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case STOP_VIDEO_RECORDING:
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soundFilePath = mVideoStopSound;
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break;
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default:
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Log.e(TAG, "Unknown sound " + mSoundId + " requested.");
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return;
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}
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mPlayer = new MediaPlayer();
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try {
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mPlayer.setAudioStreamType(mAudioStreamType);
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mPlayer.setDataSource(soundFilePath);
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mPlayer.setLooping(false);
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mPlayer.prepare();
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} catch(IOException e) {
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Log.e(TAG, "Error setting up sound " + mSoundId, e);
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return;
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}
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while(true) {
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try {
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synchronized (this) {
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while(true) {
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if (mExit) {
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return;
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} else if (mPlayCount <= 0) {
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wait();
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} else {
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mPlayCount--;
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break;
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}
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}
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}
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mPlayer.start();
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} catch (Exception e) {
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Log.e(TAG, "Error playing sound " + mSoundId, e);
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}
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}
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}
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public CameraSoundPlayer(int soundId) {
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mSoundId = soundId;
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if (SystemProperties.get("ro.camera.sound.forced", "0").equals("0")) {
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mAudioStreamType = AudioManager.STREAM_MUSIC;
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} else {
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mAudioStreamType = AudioManager.STREAM_SYSTEM_ENFORCED;
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}
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}
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public void play() {
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if (mThread == null) {
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mThread = new Thread(this);
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mThread.start();
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}
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synchronized (this) {
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mPlayCount++;
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notifyAll();
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}
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}
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public void release() {
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if (mThread != null) {
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synchronized (this) {
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mExit = true;
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notifyAll();
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}
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try {
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mThread.join();
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} catch (InterruptedException e) {
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}
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mThread = null;
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}
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if (mPlayer != null) {
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mPlayer.release();
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mPlayer = null;
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}
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}
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@Override
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protected void finalize() {
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release();
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}
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}
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}
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Reference in New Issue
Block a user