/*
* Copyright (C) 2006 The Android Open Source Project
* Copyright (C) 2012 YIXIA.COM
* Copyright (C) 2013 Zhang Rui <bbcallen@gmail.com>
* 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 me.qixingchen.mdbilibili.widget;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.media.AudioManager;
import android.net.Uri;
import android.util.AttributeSet;
import android.util.Pair;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import java.io.IOException;
import java.util.List;
import me.qixingchen.mdbilibili.R;
import tv.danmaku.ijk.media.player.IMediaPlayer;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnBufferingUpdateListener;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnCompletionListener;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnErrorListener;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnInfoListener;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnPreparedListener;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnSeekCompleteListener;
import tv.danmaku.ijk.media.player.IMediaPlayer.OnVideoSizeChangedListener;
import tv.danmaku.ijk.media.player.IjkMediaPlayer;
import tv.danmaku.ijk.media.player.pragma.DebugLog;
/**
* 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.
* <p/>
* VideoView also provide many wrapper methods for
* {@link io.vov.vitamio.MediaPlayer}, such as {@link #getVideoWidth()},
* {@link #setSubShown(boolean)}
*/
public class VideoView extends SurfaceView implements
MediaController.MediaPlayerControl {
public static final int VIDEO_LAYOUT_ORIGIN = 0;
public static final int VIDEO_LAYOUT_SCALE = 1;
public static final int VIDEO_LAYOUT_STRETCH = 2;
public static final int VIDEO_LAYOUT_ZOOM = 3;
private static final String TAG = VideoView.class.getName();
private static final int STATE_ERROR = -1;
private static final int STATE_IDLE = 0;
private static final int STATE_PREPARING = 1;
private static final int STATE_PREPARED = 2;
private static final int STATE_PLAYING = 3;
private static final int STATE_PAUSED = 4;
private static final int STATE_PLAYBACK_COMPLETED = 5;
private static final int STATE_SUSPEND = 6;
private static final int STATE_RESUME = 7;
private static final int STATE_SUSPEND_UNSUPPORTED = 8;
private Uri mUri;
private long mDuration;
private String mUserAgent;
private int mCurrentState = STATE_IDLE;
private int mTargetState = STATE_IDLE;
private int mVideoLayout = VIDEO_LAYOUT_SCALE;
private SurfaceHolder mSurfaceHolder = null;
private IMediaPlayer mMediaPlayer = null;
private int mVideoWidth;
private int mVideoHeight;
private int mVideoSarNum;
private int mVideoSarDen;
private int mSurfaceWidth;
private int mSurfaceHeight;
private MediaController mMediaController;
private View mMediaBufferingIndicator;
private OnCompletionListener mOnCompletionListener;
private OnPreparedListener mOnPreparedListener;
private OnErrorListener mOnErrorListener;
private OnSeekCompleteListener mOnSeekCompleteListener;
private OnInfoListener mOnInfoListener;
private OnBufferingUpdateListener mOnBufferingUpdateListener;
private OnControllerEventsListener mOnControllerEventsListener;
private int mCurrentBufferPercentage;
private long mSeekWhenPrepared;
private boolean mCanPause = true;
private boolean mCanSeekBack = true;
private boolean mCanSeekForward = true;
private Context mContext;
OnVideoSizeChangedListener mSizeChangedListener = new OnVideoSizeChangedListener() {
public void onVideoSizeChanged(IMediaPlayer mp, int width, int height,
int sarNum, int sarDen) {
DebugLog.dfmt(TAG, "onVideoSizeChanged: (%dx%d)", width, height);
mVideoWidth = mp.getVideoWidth();
mVideoHeight = mp.getVideoHeight();
mVideoSarNum = sarNum;
mVideoSarDen = sarDen;
if (mVideoWidth != 0 && mVideoHeight != 0)
setVideoLayout(mVideoLayout);
}
};
OnPreparedListener mPreparedListener = new OnPreparedListener() {
public void onPrepared(IMediaPlayer mp) {
DebugLog.d(TAG, "onPrepared");
mCurrentState = STATE_PREPARED;
mTargetState = STATE_PLAYING;
if (mOnPreparedListener != null)
mOnPreparedListener.onPrepared(mMediaPlayer);
if (mMediaController != null)
mMediaController.setEnabled(true);
mVideoWidth = mp.getVideoWidth();
mVideoHeight = mp.getVideoHeight();
long seekToPosition = mSeekWhenPrepared;
if (seekToPosition != 0)
seekTo(seekToPosition);
if (mVideoWidth != 0 && mVideoHeight != 0) {
setVideoLayout(mVideoLayout);
if (mSurfaceWidth == mVideoWidth
&& mSurfaceHeight == mVideoHeight) {
if (mTargetState == STATE_PLAYING) {
start();
if (mMediaController != null)
mMediaController.show();
} else if (!isPlaying()
&& (seekToPosition != 0 || getCurrentPosition() > 0)) {
if (mMediaController != null)
mMediaController.show(0);
}
}
} else if (mTargetState == STATE_PLAYING) {
start();
}
}
};
private OnCompletionListener mCompletionListener = new OnCompletionListener() {
public void onCompletion(IMediaPlayer mp) {
DebugLog.d(TAG, "onCompletion");
mCurrentState = STATE_PLAYBACK_COMPLETED;
mTargetState = STATE_PLAYBACK_COMPLETED;
if (mMediaController != null)
mMediaController.hide();
if (mOnCompletionListener != null)
mOnCompletionListener.onCompletion(mMediaPlayer);
}
};
private OnErrorListener mErrorListener = new OnErrorListener() {
public boolean onError(IMediaPlayer mp, int framework_err, int impl_err) {
DebugLog.dfmt(TAG, "Error: %d, %d", framework_err, impl_err);
mCurrentState = STATE_ERROR;
mTargetState = STATE_ERROR;
if (mMediaController != null)
mMediaController.hide();
if (mOnErrorListener != null) {
if (mOnErrorListener.onError(mMediaPlayer, framework_err,
impl_err))
return true;
}
if (getWindowToken() != null) {
int message = framework_err == IMediaPlayer.MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK ? R.string.vitamio_videoview_error_text_invalid_progressive_playback
: R.string.vitamio_videoview_error_text_unknown;
new AlertDialog.Builder(mContext)
.setTitle(R.string.vitamio_videoview_error_title)
.setMessage(message)
.setPositiveButton(
R.string.vitamio_videoview_error_button,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
if (mOnCompletionListener != null)
mOnCompletionListener
.onCompletion(mMediaPlayer);
}
}).setCancelable(false).show();
}
return true;
}
};
private OnBufferingUpdateListener mBufferingUpdateListener = new OnBufferingUpdateListener() {
public void onBufferingUpdate(IMediaPlayer mp, int percent) {
mCurrentBufferPercentage = percent;
if (mOnBufferingUpdateListener != null)
mOnBufferingUpdateListener.onBufferingUpdate(mp, percent);
}
};
private OnInfoListener mInfoListener = new OnInfoListener() {
@Override
public boolean onInfo(IMediaPlayer mp, int what, int extra) {
DebugLog.dfmt(TAG, "onInfo: (%d, %d)", what, extra);
if (mOnInfoListener != null) {
mOnInfoListener.onInfo(mp, what, extra);
} else if (mMediaPlayer != null) {
if (what == IMediaPlayer.MEDIA_INFO_BUFFERING_START) {
DebugLog.dfmt(TAG, "onInfo: (MEDIA_INFO_BUFFERING_START)");
if (mMediaBufferingIndicator != null)
mMediaBufferingIndicator.setVisibility(View.VISIBLE);
} else if (what == IMediaPlayer.MEDIA_INFO_BUFFERING_END) {
DebugLog.dfmt(TAG, "onInfo: (MEDIA_INFO_BUFFERING_END)");
if (mMediaBufferingIndicator != null)
mMediaBufferingIndicator.setVisibility(View.GONE);
}
}
return true;
}
};
private OnSeekCompleteListener mSeekCompleteListener = new OnSeekCompleteListener() {
@Override
public void onSeekComplete(IMediaPlayer mp) {
DebugLog.d(TAG, "onSeekComplete");
if (mOnSeekCompleteListener != null)
mOnSeekCompleteListener.onSeekComplete(mp);
}
};
SurfaceHolder.Callback mSHCallback = new SurfaceHolder.Callback() {
public void surfaceChanged(SurfaceHolder holder, int format, int w,
int h) {
mSurfaceHolder = holder;
if (mMediaPlayer != null) {
mMediaPlayer.setDisplay(mSurfaceHolder);
}
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) {
if (mMediaController.isShowing())
mMediaController.hide();
mMediaController.show();
}
}
}
public void surfaceCreated(SurfaceHolder holder) {
mSurfaceHolder = holder;
if (mMediaPlayer != null && mCurrentState == STATE_SUSPEND
&& mTargetState == STATE_RESUME) {
mMediaPlayer.setDisplay(mSurfaceHolder);
resume();
} else {
openVideo();
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
mSurfaceHolder = null;
if (mMediaController != null)
mMediaController.hide();
if (mCurrentState != STATE_SUSPEND)
release(true);
}
};
public VideoView(Context context) {
super(context);
initVideoView(context);
}
public VideoView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public VideoView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initVideoView(context);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = getDefaultSize(mVideoWidth, widthMeasureSpec);
int height = getDefaultSize(mVideoHeight, heightMeasureSpec);
setMeasuredDimension(width, height);
}
/**
* Set the display options
*
* @param layout <ul>
* <li>{@link #VIDEO_LAYOUT_ORIGIN}
* <li>{@link #VIDEO_LAYOUT_SCALE}
* <li>{@link #VIDEO_LAYOUT_STRETCH}
* <li>{@link #VIDEO_LAYOUT_ZOOM}
* </ul>
* @param aspectRatio video aspect ratio, will audo detect if 0.
*/
public void setVideoLayout(int layout) {
LayoutParams lp = getLayoutParams();
Pair<Integer, Integer> res = ScreenResolution.getResolution(mContext);
int windowWidth = res.first.intValue(), windowHeight = res.second.intValue();
float windowRatio = windowWidth / (float) windowHeight;
int sarNum = mVideoSarNum;
int sarDen = mVideoSarDen;
if (mVideoHeight > 0 && mVideoWidth > 0) {
float videoRatio = ((float) (mVideoWidth)) / mVideoHeight;
if (sarNum > 0 && sarDen > 0)
videoRatio = videoRatio * sarNum / sarDen;
mSurfaceHeight = mVideoHeight;
mSurfaceWidth = mVideoWidth;
if (VIDEO_LAYOUT_ORIGIN == layout && mSurfaceWidth < windowWidth
&& mSurfaceHeight < windowHeight) {
lp.width = (int) (mSurfaceHeight * videoRatio);
lp.height = mSurfaceHeight;
} else if (layout == VIDEO_LAYOUT_ZOOM) {
lp.width = windowRatio > videoRatio ? windowWidth
: (int) (videoRatio * windowHeight);
lp.height = windowRatio < videoRatio ? windowHeight
: (int) (windowWidth / videoRatio);
} else {
boolean full = layout == VIDEO_LAYOUT_STRETCH;
lp.width = (full || windowRatio < videoRatio) ? windowWidth
: (int) (videoRatio * windowHeight);
lp.height = (full || windowRatio > videoRatio) ? windowHeight
: (int) (windowWidth / videoRatio);
}
setLayoutParams(lp);
getHolder().setFixedSize(mSurfaceWidth, mSurfaceHeight);
DebugLog.dfmt(
TAG,
"VIDEO: %dx%dx%f[SAR:%d:%d], Surface: %dx%d, LP: %dx%d, Window: %dx%dx%f",
mVideoWidth, mVideoHeight, videoRatio, mVideoSarNum,
mVideoSarDen, mSurfaceWidth, mSurfaceHeight, lp.width,
lp.height, windowWidth, windowHeight, windowRatio);
}
mVideoLayout = layout;
}
private void initVideoView(Context ctx) {
mContext = ctx;
mVideoWidth = 0;
mVideoHeight = 0;
mVideoSarNum = 0;
mVideoSarDen = 0;
getHolder().addCallback(mSHCallback);
setFocusable(true);
setFocusableInTouchMode(true);
requestFocus();
mCurrentState = STATE_IDLE;
mTargetState = STATE_IDLE;
if (ctx instanceof Activity)
((Activity) ctx).setVolumeControlStream(AudioManager.STREAM_MUSIC);
}
public boolean isValid() {
return (mSurfaceHolder != null && mSurfaceHolder.getSurface().isValid());
}
public void setVideoPath(String path) {
setVideoURI(Uri.parse(path));
}
public void setVideoURI(Uri uri) {
mUri = uri;
mSeekWhenPrepared = 0;
openVideo();
requestLayout();
invalidate();
}
public void setUserAgent(String ua) {
mUserAgent = ua;
}
public void stopPlayback() {
if (mMediaPlayer != null) {
mMediaPlayer.stop();
mMediaPlayer.release();
mMediaPlayer = null;
mCurrentState = STATE_IDLE;
mTargetState = STATE_IDLE;
}
}
private void openVideo() {
if (mUri == null || mSurfaceHolder == null)
return;
Intent i = new Intent("com.android.music.musicservicecommand");
i.putExtra("command", "pause");
mContext.sendBroadcast(i);
release(false);
try {
mDuration = -1;
mCurrentBufferPercentage = 0;
// mMediaPlayer = new AndroidMediaPlayer();
IjkMediaPlayer ijkMediaPlayer = null;
if (mUri != null) {
ijkMediaPlayer = new IjkMediaPlayer();
ijkMediaPlayer.setLogEnabled(false);
// ijkMediaPlayer.setAvOption(AvFormatOption_HttpDetectRangeSupport.Disable);
// ijkMediaPlayer.setOverlayFormat(AvFourCC.SDL_FCC_RV32);
// ijkMediaPlayer.setMediaCodecEnabled(true);
ijkMediaPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_CODEC, "skip_loop_filter", "48");
//ijkMediaPlayer.setAvCodecOption("skip_loop_filter", "48");
//ijkMediaPlayer.setFrameDrop(12);
if (mUserAgent != null) {
//ijkMediaPlayer.setAvFormatOption("user_agent", mUserAgent);
}
}
mMediaPlayer = ijkMediaPlayer;
mMediaPlayer.setOnPreparedListener(mPreparedListener);
mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
mMediaPlayer.setOnCompletionListener(mCompletionListener);
mMediaPlayer.setOnErrorListener(mErrorListener);
mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
mMediaPlayer.setOnInfoListener(mInfoListener);
mMediaPlayer.setOnSeekCompleteListener(mSeekCompleteListener);
if (mUri != null)
mMediaPlayer.setDataSource(mUri.toString());
mMediaPlayer.setDisplay(mSurfaceHolder);
mMediaPlayer.setScreenOnWhilePlaying(true);
mMediaPlayer.prepareAsync();
mCurrentState = STATE_PREPARING;
attachMediaController();
} catch (IOException ex) {
DebugLog.e(TAG, "Unable to open content: " + mUri, ex);
mCurrentState = STATE_ERROR;
mTargetState = STATE_ERROR;
mErrorListener.onError(mMediaPlayer,
IMediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
return;
} catch (IllegalArgumentException ex) {
DebugLog.e(TAG, "Unable to open content: " + mUri, ex);
mCurrentState = STATE_ERROR;
mTargetState = STATE_ERROR;
mErrorListener.onError(mMediaPlayer,
IMediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
return;
}
}
public void setMediaController(MediaController controller) {
if (mMediaController != null)
mMediaController.hide();
mMediaController = controller;
attachMediaController();
}
public void setMediaBufferingIndicator(View mediaBufferingIndicator) {
if (mMediaBufferingIndicator != null)
mMediaBufferingIndicator.setVisibility(View.GONE);
mMediaBufferingIndicator = mediaBufferingIndicator;
}
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());
if (mUri != null) {
List<String> paths = mUri.getPathSegments();
String name = paths == null || paths.isEmpty() ? "null" : paths
.get(paths.size() - 1);
mMediaController.setFileName(name);
}
}
}
public void setOnPreparedListener(OnPreparedListener l) {
mOnPreparedListener = l;
}
public void setOnCompletionListener(OnCompletionListener l) {
mOnCompletionListener = l;
}
public void setOnErrorListener(OnErrorListener l) {
mOnErrorListener = l;
}
public void setOnBufferingUpdateListener(OnBufferingUpdateListener l) {
mOnBufferingUpdateListener = l;
}
public void setOnSeekCompleteListener(OnSeekCompleteListener l) {
mOnSeekCompleteListener = l;
}
public void setOnInfoListener(OnInfoListener l) {
mOnInfoListener = l;
}
public void setOnControllerEventsListener(OnControllerEventsListener l) {
mOnControllerEventsListener = l;
}
private void release(boolean cleartargetstate) {
if (mMediaPlayer != null) {
mMediaPlayer.reset();
mMediaPlayer.release();
mMediaPlayer = null;
mCurrentState = STATE_IDLE;
if (cleartargetstate)
mTargetState = STATE_IDLE;
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (isInPlaybackState() && mMediaController != null)
toggleMediaControlsVisiblity();
return false;
}
@Override
public boolean onTrackballEvent(MotionEvent ev) {
if (isInPlaybackState() && mMediaController != null)
toggleMediaControlsVisiblity();
return false;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
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
|| keyCode == KeyEvent.KEYCODE_SPACE) {
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);
}
private void toggleMediaControlsVisiblity() {
if (mMediaController.isShowing()) {
mMediaController.hide();
} else {
mMediaController.show();
}
}
@Override
public void start() {
if (isInPlaybackState()) {
mMediaPlayer.start();
mCurrentState = STATE_PLAYING;
}
mTargetState = STATE_PLAYING;
mOnControllerEventsListener.OnVideoResume();
}
@Override
public void pause() {
if (isInPlaybackState()) {
if (mMediaPlayer.isPlaying()) {
mMediaPlayer.pause();
mCurrentState = STATE_PAUSED;
}
}
mTargetState = STATE_PAUSED;
mOnControllerEventsListener.onVideoPause();
}
public void resume() {
if (mSurfaceHolder == null && mCurrentState == STATE_SUSPEND) {
mTargetState = STATE_RESUME;
} else if (mCurrentState == STATE_SUSPEND_UNSUPPORTED) {
openVideo();
}
}
@Override
public int getDuration() {
if (isInPlaybackState()) {
if (mDuration > 0)
return (int) mDuration;
mDuration = mMediaPlayer.getDuration();
return (int) mDuration;
}
mDuration = -1;
return (int) mDuration;
}
@Override
public int getCurrentPosition() {
if (isInPlaybackState()) {
long position = mMediaPlayer.getCurrentPosition();
return (int) position;
}
return 0;
}
@Override
public void seekTo(long msec) {
if (isInPlaybackState()) {
mMediaPlayer.seekTo(msec);
mSeekWhenPrepared = 0;
} else {
mSeekWhenPrepared = msec;
}
}
@Override
public boolean isPlaying() {
return isInPlaybackState() && mMediaPlayer.isPlaying();
}
@Override
public int getBufferPercentage() {
if (mMediaPlayer != null)
return mCurrentBufferPercentage;
return 0;
}
public int getVideoWidth() {
return mVideoWidth;
}
public int getVideoHeight() {
return mVideoHeight;
}
protected 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;
}
public interface OnControllerEventsListener {
void onVideoPause();
void OnVideoResume();
}
}