/*
* Copyright (C) 2006 The Android Open Source Project
*
* 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.letv.android.screen.client.views;
package com.media;
import java.io.IOException;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;
import android.net.Uri;
import android.util.AttributeSet;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.MediaController;
import android.widget.RelativeLayout.LayoutParams;
//import com.letv.android.screen.client.ui.PlayerActivity.CancelActivity;
/**
* Displays a video file. The VideoView class can load images from various
* sources (such as resources or content providers), takes care of computing its
* measurement from the video so that it can be used in any layout manager, and
* provides various display options such as scaling and tinting.
*/
public class VideoView extends SurfaceView implements MediaController.MediaPlayerControl {
private String TAG = "VideoView";
// settable by the client
private Uri mUri;
private int mDuration;
// all possible internal states
public static final int STATE_ERROR = -1;
public static final int STATE_IDLE = 0;
public static final int STATE_PREPARING = 1;
public static final int STATE_PREPARED = 2;
public static final int STATE_PLAYING = 3;
public static final int STATE_PAUSED = 4;
public static final int STATE_PLAYBACK_COMPLETED = 5;
public static final int STATE_STOPBACK = 6;
public static final int STATE_ENFORCEMENT = 7;
// mCurrentState is a VideoView object's current state.
// mTargetState is the state that a method caller intends to reach.
// For instance, regardless the VideoView object's current state,
// calling pause() intends to bring the object to a target state
// of STATE_PAUSED.
private int mCurrentState = STATE_IDLE;
private int mTargetState = STATE_IDLE;
private final int FORWARD_TIME = 15000;
private final int REWIND_TIME = 15000;
// All the stuff we need for playing and showing a video
private SurfaceHolder mSurfaceHolder = null;
private MediaPlayer mMediaPlayer = null;
private Context mContext;
private int mVideoWidth;
private int mVideoHeight;
private int mSurfaceWidth;
private int mSurfaceHeight;
private MediaController mMediaController;
// private CancelActivity mCancelActivity;
private OnCompletionListener mOnCompletionListener;
private MediaPlayer.OnPreparedListener mOnPreparedListener;
private VideoViewStateChangeListener mStateChangeListener;
private int mCurrentBufferPercentage;
private OnErrorListener mOnErrorListener;
private boolean fullScreen;
private int mSeekWhenPrepared; // recording the seek position while
// preparing
private boolean mCanPause;
private boolean mCanSeekBack;
private boolean mCanSeekForward;
protected boolean isBufferCount = true;// 添加字段，播放统计时需要
/**
* 记录消耗前的时间点
* */
protected int lastSeekWhenPrepared = 0;
/**
* 强制等待，无法播放
* */
private boolean enforcementWait = false;
/**
* 强制暂停
* */
private boolean enforcementPause = false;
public VideoView(Context context) {
super(context);
this.mContext = context;
initVideoView();
}
public VideoView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
this.mContext = context;
initVideoView();
}
public VideoView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
this.mContext = context;
initVideoView();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = getDefaultSize(mVideoWidth, widthMeasureSpec);
int height = getDefaultSize(mVideoHeight, heightMeasureSpec);
if (!fullScreen) {
if (mVideoWidth > 0 && mVideoHeight > 0) {
if (mVideoWidth * height > width * mVideoHeight) {
height = width * mVideoHeight / mVideoWidth;
} else if (mVideoWidth * height < width * mVideoHeight) {
width = height * mVideoWidth / mVideoHeight;
} else {
}
}
}
setMeasuredDimension(width, height);
}
private void invalateScreenSize() {
fullScreen = !fullScreen;
LayoutParams lp = (LayoutParams) this.getLayoutParams();
this.setLayoutParams(lp);
}
public int resolveAdjustedSize(int desiredSize, int measureSpec) {
int result = desiredSize;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
switch (specMode) {
case MeasureSpec.UNSPECIFIED:
/*
* Parent says we can be as big as we want. Just don't be larger
* than max size imposed on ourselves.
*/
result = desiredSize;
break;
case MeasureSpec.AT_MOST:
/*
* Parent says we can be as big as we want, up to specSize. Don't be
* larger than specSize, and don't be larger than the max size
* imposed on ourselves.
*/
result = Math.min(desiredSize, specSize);
break;
case MeasureSpec.EXACTLY:
// No choice. Do what we are told.
result = specSize;
break;
}
return result;
}
private void initVideoView() {
mVideoWidth = 0;
mVideoHeight = 0;
getHolder().addCallback(mSHCallback);
// if (!NativeInfos.ifNativePlayer()) {
// getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
// } else {
// getHolder().setType(SurfaceHolder.SURFACE_TYPE_NORMAL);
// }
setFocusable(true);
setFocusableInTouchMode(true);
requestFocus();
mCurrentState = STATE_IDLE;
StateChange(mCurrentState);
mTargetState = STATE_IDLE;
}
public void setVideoPath(String path) {
setVideoURI(Uri.parse(path));
}
public void setVideoURI(Uri uri) {
// if(P2P._getinstace().isP2PMode()){
// uri=LetvP2PUtils.getP2PUrl(uri+"");//p2p
// }
Log.w(TAG, "URI : " + uri);
mUri = uri;
mSeekWhenPrepared = 0;
openVideo();
requestLayout();
invalidate();
// setVisibility(View.VISIBLE);
}
public void stopPlayback() {
StateChange(STATE_STOPBACK);// 为统计加入
if (mMediaPlayer != null) {
mMediaPlayer.stop();
mMediaPlayer.release();
mMediaPlayer = null;
mCurrentState = STATE_IDLE;
StateChange(mCurrentState);
mTargetState = STATE_IDLE;
setVisibility(View.INVISIBLE);
}
// if(P2P._getinstace().isP2PMode()){
// LetvP2PUtils.onStopP2p();//p2p
// }
}
private void openVideo() {
if (mUri == null) {
// not ready for playback just yet, will try again later
return;
}
if (mSurfaceHolder == null) {
if (!NativeInfos.ifNativePlayer()) {
getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
} else {
getHolder().setType(SurfaceHolder.SURFACE_TYPE_NORMAL);
}
setVisibility(VISIBLE);
return;
}
// Tell the music playback service to pause
// TODO: these constants need to be published somewhere in the
// framework.
Intent i = new Intent("com.android.music.musicservicecommand");
i.putExtra("command", "pause");
mContext.sendBroadcast(i);
// we shouldn't clear the target state, because somebody might have
// called start() previously
release(false);
try {
if (NativeInfos.ifNativePlayer()) {
mMediaPlayer = new NativePlayer();
// Log.e("main", "--------------------NativePlayer-----");
} else {
mMediaPlayer = new MediaPlayer();
// Log.e("main", "--------------------MediaPlayer-----");
}
mMediaPlayer.setOnPreparedListener(mPreparedListener);
mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
mDuration = -1;
mMediaPlayer.setOnCompletionListener(mCompletionListener);
mMediaPlayer.setOnErrorListener(mErrorListener);
mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
mCurrentBufferPercentage = 0;
mMediaPlayer.setDataSource(mContext, mUri);
mMediaPlayer.setDisplay(mSurfaceHolder);
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mMediaPlayer.setScreenOnWhilePlaying(true);
mMediaPlayer.prepareAsync();
// we don't set the target state here either, but preserve the
// target state that was there before.
mCurrentState = STATE_PREPARING;
StateChange(mCurrentState);
attachMediaController();
} catch (IOException ex) {
Log.w(TAG, "Unable to open content: " + mUri, ex);
mCurrentState = STATE_ERROR;
StateChange(mCurrentState);
mTargetState = STATE_ERROR;
mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
return;
} catch (IllegalArgumentException ex) {
Log.w(TAG, "Unable to open content: " + mUri, ex);
mCurrentState = STATE_ERROR;
StateChange(mCurrentState);
mTargetState = STATE_ERROR;
mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
return;
}
}
public void setMediaController(MediaController controller) {
if (mMediaController != null) {
mMediaController.hide();
}
mMediaController = controller;
attachMediaController();
}
// public void setCancelActivity(CancelActivity mCancelActivity){
// this.mCancelActivity = mCancelActivity;
// }
private void attachMediaController() {
if (mMediaPlayer != null && mMediaController != null) {
mMediaController.setMediaPlayer(this);
View anchorView = this.getParent() instanceof View ? (View) this.getParent() : this;
mMediaController.setAnchorView(anchorView);
mMediaController.setEnabled(isInPlaybackState());
}
}
MediaPlayer.OnVideoSizeChangedListener mSizeChangedListener = new MediaPlayer.OnVideoSizeChangedListener() {
public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
mVideoWidth = mp.getVideoWidth();
mVideoHeight = mp.getVideoHeight();
if (mVideoWidth != 0 && mVideoHeight != 0) {
getHolder().setFixedSize(mVideoWidth, mVideoHeight);
}
}
};
MediaPlayer.OnPreparedListener mPreparedListener = new MediaPlayer.OnPreparedListener() {
public void onPrepared(MediaPlayer mp) {
mCurrentState = STATE_PREPARED;
StateChange(mCurrentState);
// // Get the capabilities of the player for this stream
// Metadata data = mp.getMetadata(MediaPlayer.METADATA_ALL,
// MediaPlayer.BYPASS_METADATA_FILTER);
//
// if (data != null) {
// mCanPause = !data.has(Metadata.PAUSE_AVAILABLE)
// || data.getBoolean(Metadata.PAUSE_AVAILABLE);
// mCanSeekBack = !data.has(Metadata.SEEK_BACKWARD_AVAILABLE)
// || data.getBoolean(Metadata.SEEK_BACKWARD_AVAILABLE);
// mCanSeekForward = !data.has(Metadata.SEEK_FORWARD_AVAILABLE)
// || data.getBoolean(Metadata.SEEK_FORWARD_AVAILABLE);
// } else {
// mCanPause = mCanSeekForward = mCanSeekForward = true;
// }
mCanPause = mCanSeekBack = mCanSeekForward = true;
if (mOnPreparedListener != null) {
mOnPreparedListener.onPrepared(mMediaPlayer);
}
if (mMediaController != null) {
mMediaController.setEnabled(true);
}
mVideoWidth = mp.getVideoWidth();
mVideoHeight = mp.getVideoHeight();
int seekToPosition = mSeekWhenPrepared; // mSeekWhenPrepared may be
// changed after seekTo()
// call
if (seekToPosition != 0) {
seekTo(seekToPosition);
}
if (mVideoWidth != 0 && mVideoHeight != 0) {
// Log.i("@@@@", "video size: " + mVideoWidth +"/"+
// mVideoHeight);
getHolder().setFixedSize(mVideoWidth, mVideoHeight);
if (mSurfaceWidth == mVideoWidth && mSurfaceHeight == mVideoHeight) {
// We didn't actually change the size (it was already at the
// size
// we need), so we won't get a "surface changed" callback,
// so
// start the video here instead of in the callback.
if (mTargetState == STATE_PLAYING) {
start();
if (mMediaController != null) {
mMediaController.show();
}
} else if (!isPlaying() && (seekToPosition != 0 || getCurrentPosition() > 0)) {
if (mMediaController != null) {
// Show the media controls when we're paused into a
// video and make 'em stick.
mMediaController.show(0);
}
}
}
} else {
// We don't know the video size yet, but should start anyway.
// The video size might be reported to us later.
if (mTargetState == STATE_PLAYING) {
start();
}
}
}
};
private MediaPlayer.OnCompletionListener mCompletionListener = new MediaPlayer.OnCompletionListener() {
public void onCompletion(MediaPlayer mp) {
mCurrentState = STATE_PLAYBACK_COMPLETED;
StateChange(mCurrentState);
mTargetState = STATE_PLAYBACK_COMPLETED;
mCurrentState = STATE_STOPBACK;
StateChange(mCurrentState);// 未统计加入
if (mMediaController != null) {
mMediaController.hide();
}
if (mOnCompletionListener != null) {
mOnCompletionListener.onCompletion(mMediaPlayer);
}
}
};
private MediaPlayer.OnErrorListener mErrorListener = new MediaPlayer.OnErrorListener() {
public boolean onError(MediaPlayer mp, int framework_err, int impl_err) {
Log.d(TAG, "Error: " + framework_err + "," + impl_err);
mCurrentState = STATE_ERROR;
StateChange(mCurrentState);
mTargetState = STATE_ERROR;
if (mMediaController != null) {
mMediaController.hide();
}
/* If an error handler has been supplied, use it and finish. */
if (mOnErrorListener != null) {
if (mOnErrorListener.onError(mMediaPlayer, framework_err, impl_err)) {
return true;
}
}
/*
* Otherwise, pop up an error dialog so the user knows that
* something bad has happened. Only try and pop up the dialog if
* we're attached to a window. When we're going away and no longer
* have a window, don't bother showing the user an error.
*/
// if (getWindowToken() != null) {
//
// // Resources r = mContext.getResources();
// // int messageId;
// //
// // if (framework_err ==
// // MediaPlayer.MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK) {
// // messageId =
// //
// com.android.internal.R.string.VideoView_error_text_invalid_progressive_playback;
// // } else {
// // messageId =
// // com.android.internal.R.string.VideoView_error_text_unknown;
// // }
// //
// // new AlertDialog.Builder(mContext)
// // .setTitle(com.android.internal.R.string.VideoView_error_title)
// // .setMessage(messageId)
// //
// .setPositiveButton(com.android.internal.R.string.VideoView_error_button,
// // new DialogInterface.OnClickListener() {
// // public void onClick(DialogInterface dialog, int whichButton)
// // {
// // /* If we get here, there is no onError listener, so
// // * at least inform them that the video is over.
// // */
// // if (mOnCompletionListener != null) {
// // mOnCompletionListener.onCompletion(mMediaPlayer);
// // }
// // }
// // })
// // .setCancelable(false)
// // .show();
// }
return true;
}
};
private MediaPlayer.OnBufferingUpdateListener mBufferingUpdateListener = new MediaPlayer.OnBufferingUpdateListener() {
public void onBufferingUpdate(MediaPlayer mp, int percent) {
mCurrentBufferPercentage = percent;
}
};
/**
* Register a callback to be invoked when the media file is loaded and ready
* to go.
*
* @param l
* The callback that will be run
*/
public void setOnPreparedListener(MediaPlayer.OnPreparedListener l) {
mOnPreparedListener = l;
}
/**
* Register a callback to be invoked when the end of a media file has been
* reached during playback.
*
* @param l
* The callback that will be run
*/
public void setOnCompletionListener(OnCompletionListener l) {
mOnCompletionListener = l;
}
/**
* Register a callback to be invoked when an error occurs during playback or
* setup. If no listener is specified, or if the listener returned false,
* VideoView will inform the user of any errors.
*
* @param l
* The callback that will be run
*/
public void setOnErrorListener(OnErrorListener l) {
mOnErrorListener = l;
}
SurfaceHolder.Callback mSHCallback = new SurfaceHolder.Callback() {
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
mSurfaceWidth = w;
mSurfaceHeight = h;
boolean isValidState = (mTargetState == STATE_PLAYING);
boolean hasValidSize = (mVideoWidth == w && mVideoHeight == h);
if (mMediaPlayer != null && isValidState && hasValidSize) {
if (mSeekWhenPrepared != 0) {
seekTo(mSeekWhenPrepared);
}
start();
if (mMediaController != null) {
mMediaController.show();
}
}
}
public void surfaceCreated(SurfaceHolder holder) {
// if (!NativeInfos.ifNativePlayer()) {
// holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
// Log.e("xue", "surfaceCreated -- 系统");
// } else {
// holder.setType(SurfaceHolder.SURFACE_TYPE_NORMAL);
// Log.e("xue", "surfaceCreated -- 软解");
// }
mSurfaceHolder = holder;
openVideo();
}
public void surfaceDestroyed(SurfaceHolder holder) {
// after we return from this we can't use the surface any more
mSurfaceHolder = null;
if (mMediaController != null)
mMediaController.hide();
lastSeekWhenPrepared = getCurrentPosition();
release(true);
}
};
/*
* release the media player in any state
*/
private void release(boolean cleartargetstate) {
if (mMediaPlayer != null) {
mMediaPlayer.reset();
mMediaPlayer.release();
mMediaPlayer = null;
mCurrentState = STATE_IDLE;
StateChange(mCurrentState);
if (cleartargetstate) {
mTargetState = STATE_IDLE;
}
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (isInPlaybackState() && mMediaController != null) {
toggleMediaControlsVisiblity();
}
// if(mCancelActivity != null){
//
// mCancelActivity.callCancel();
// }
return false;
}
@Override
public boolean onTrackballEvent(MotionEvent ev) {
if (isInPlaybackState() && mMediaController != null) {
toggleMediaControlsVisiblity();
}
return false;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// BasePlayActivity ac = null ;
// if(mContext != null && mContext instanceof BasePlayActivity){
// ac = (BasePlayActivity)mContext ;
// }
// boolean isKeyCodeSupported = keyCode != KeyEvent.KEYCODE_BACK &&
// keyCode != KeyEvent.KEYCODE_VOLUME_UP &&
// keyCode != KeyEvent.KEYCODE_VOLUME_DOWN &&
// keyCode != KeyEvent.KEYCODE_MENU &&
// keyCode != KeyEvent.KEYCODE_CALL &&
// keyCode != KeyEvent.KEYCODE_ENDCALL;
// if (isInPlaybackState() && isKeyCodeSupported && mMediaController !=
// null && ac != null && !ac.isLock()) {
// if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK ||
// keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
// if (mMediaPlayer.isPlaying()) {
// pause();
// mMediaController.show();
// } else {
// start();
// mMediaController.hide();
// }
// return true;
// } else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP
// && mMediaPlayer.isPlaying()) {
// pause();
// mMediaController.show();
// } else {
// toggleMediaControlsVisiblity();
// }
// }
boolean isKeyCodeSupported = keyCode != KeyEvent.KEYCODE_BACK
&& keyCode != KeyEvent.KEYCODE_VOLUME_UP && keyCode != KeyEvent.KEYCODE_VOLUME_DOWN
&& keyCode != KeyEvent.KEYCODE_MENU && keyCode != KeyEvent.KEYCODE_CALL
&& keyCode != KeyEvent.KEYCODE_ENDCALL;
if (isInPlaybackState() && isKeyCodeSupported && mMediaController != null) {
if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK
|| keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
if (mMediaPlayer.isPlaying()) {
pause();
mMediaController.show();
} else {
start();
mMediaController.hide();
}
return true;
} else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP && mMediaPlayer.isPlaying()) {
pause();
mMediaController.show();
} else {
toggleMediaControlsVisiblity();
}
}
return super.onKeyDown(keyCode, event);
}
public int getLastSeekWhenPrepared() {
return lastSeekWhenPrepared;
}
private void toggleMediaControlsVisiblity() {
if (mMediaController.isShowing()) {
mMediaController.hide();
} else {
mMediaController.show();
}
}
public void start() {
if (!enforcementWait && !enforcementPause) {
if (isInPlaybackState()) {
// setVisibility(View.VISIBLE);
mMediaPlayer.start();
mCurrentState = STATE_PLAYING;
StateChange(mCurrentState);
}
}
mTargetState = STATE_PLAYING;
StateChange(STATE_ENFORCEMENT);
}
public void pause() {
if (isInPlaybackState()) {
if (mMediaPlayer.isPlaying()) {
mMediaPlayer.pause();
mCurrentState = STATE_PAUSED;
StateChange(mCurrentState);
/*
* 播放统计用到
*/
// VideoPing.pauseCount++;
}
}
// if(P2P._getinstace().isP2PMode()){
// LetvP2PUtils.onStopP2p();//p2p
// }
mTargetState = STATE_PAUSED;
}
public boolean toggleScreen() {
invalateScreenSize();
return fullScreen;
}
// cache duration as mDuration for faster access
public int getDuration() {
if (isInPlaybackState()) {
if (mDuration > 0) {
return mDuration;
}
mDuration = mMediaPlayer.getDuration();
return mDuration;
}
mDuration = -1;
return mDuration;
}
public int getCurrentPosition() {
if (isInPlaybackState()) {
return mMediaPlayer.getCurrentPosition();
}
return 0;
}
public void seekTo(int msec) {
if (msec < 1000) {
msec = 1000;
}
if (isInPlaybackState()) {
mMediaPlayer.seekTo(msec);
mSeekWhenPrepared = 0;
lastSeekWhenPrepared = 0;
} else {
mSeekWhenPrepared = msec;
lastSeekWhenPrepared = 0;
}
}
/**
* 固定快进
* */
public void forward() {
seekTo(getCurrentPosition() + FORWARD_TIME);
}
/**
* 固定快退
* */
public void rewind() {
seekTo(getCurrentPosition() - REWIND_TIME);
}
public boolean isPlaying() {
return isInPlaybackState() && mMediaPlayer.isPlaying();
}
public boolean isPaused() {
return mCurrentState != STATE_PAUSED;
}
public int getBufferPercentage() {
if (mMediaPlayer != null) {
return mCurrentBufferPercentage;
}
return 0;
}
public boolean isInPlaybackState() {
return (mMediaPlayer != null && mCurrentState != STATE_ERROR && mCurrentState != STATE_IDLE && mCurrentState != STATE_PREPARING);
}
public boolean canPause() {
return mCanPause;
}
public boolean canSeekBackward() {
return mCanSeekBack;
}
public boolean canSeekForward() {
return mCanSeekForward;
}
private void StateChange(int mCurrentState) {
if (mStateChangeListener != null) {
mStateChangeListener.onChange(mCurrentState);
}
}
public VideoViewStateChangeListener getmStateChangeListener() {
return mStateChangeListener;
}
public void setmStateChangeListener(VideoViewStateChangeListener mStateChangeListener) {
this.mStateChangeListener = mStateChangeListener;
}
public interface VideoViewStateChangeListener {
public void onChange(int mCurrentState);
}
public boolean isEnforcementWait() {
return enforcementWait;
}
public void setEnforcementWait(boolean enforcementWait) {
this.enforcementWait = enforcementWait;
}
public boolean isEnforcementPause() {
return enforcementPause;
}
public void setEnforcementPause(boolean enforcementPause) {
this.enforcementPause = enforcementPause;
}
}