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// Copyright 2011, Aocate, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.aocate.media;
import java.io.IOException;
import java.util.concurrent.locks.ReentrantLock;
import android.content.Context;
import android.net.Uri;
import android.util.Log;
public abstract class MediaPlayerImpl {
private static final String MPI_TAG = "AocateMediaPlayerImpl";
protected final MediaPlayer owningMediaPlayer;
protected final Context mContext;
protected int muteOnPreparedCount = 0;
protected int muteOnSeekCount = 0;
public MediaPlayerImpl(MediaPlayer owningMediaPlayer, Context context) {
this.owningMediaPlayer = owningMediaPlayer;
this.mContext = context;
}
public abstract boolean canSetPitch();
public abstract boolean canSetSpeed();
public abstract float getCurrentPitchStepsAdjustment();
public abstract int getCurrentPosition();
public abstract float getCurrentSpeedMultiplier();
public abstract int getDuration();
public abstract float getMaxSpeedMultiplier();
public abstract float getMinSpeedMultiplier();
public abstract boolean isLooping();
public abstract boolean isPlaying();
public abstract void pause();
public abstract void prepare() throws IllegalStateException, IOException;
public abstract void prepareAsync();
public abstract void release();
public abstract void reset();
public abstract void seekTo(int msec) throws IllegalStateException;
public abstract void setAudioStreamType(int streamtype);
public abstract void setDataSource(Context context, Uri uri) throws IllegalArgumentException, IllegalStateException, IOException;
public abstract void setDataSource(String path) throws IllegalArgumentException, IllegalStateException, IOException;
public abstract void setEnableSpeedAdjustment(boolean enableSpeedAdjustment);
public abstract void setLooping(boolean loop);
public abstract void setPitchStepsAdjustment(float pitchSteps);
public abstract void setPlaybackPitch(float f);
public abstract void setPlaybackSpeed(float f);
public abstract void setSpeedAdjustmentAlgorithm(int algorithm);
public abstract void setVolume(float leftVolume, float rightVolume);
public abstract void setWakeMode(Context context, int mode);
public abstract void start();
public abstract void stop();
protected ReentrantLock lockMuteOnPreparedCount = new ReentrantLock();
public void muteNextOnPrepare() {
lockMuteOnPreparedCount.lock();
Log.d(MPI_TAG, "muteNextOnPrepare()");
try {
this.muteOnPreparedCount++;
}
finally {
lockMuteOnPreparedCount.unlock();
}
}
protected ReentrantLock lockMuteOnSeekCount = new ReentrantLock();
public void muteNextSeek() {
lockMuteOnSeekCount.lock();
Log.d(MPI_TAG, "muteNextOnSeek()");
try {
this.muteOnSeekCount++;
}
finally {
lockMuteOnSeekCount.unlock();
}
}
}
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