VideoView: Implement the suspend/resume operation in VideoView (2144e552) · Commits · e / os / android_frameworks_base

core/java/android/widget/VideoView.java

+73 −2

Original line number	Diff line number	Diff line
		@@ -84,6 +84,7 @@ public class VideoView extends SurfaceView
		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_SUSPENDED = 6;

		// mCurrentState is a VideoView object's current state.
		// mTargetState is the state that a method caller intends to reach.
		@@ -403,6 +404,23 @@ public class VideoView extends SurfaceView
		}
		}

		private boolean isHTTPStreaming(Uri mUri) {
		if (mUri != null) {
		String scheme = mUri.getScheme();
		if (scheme.equals("http") \|\| scheme.equals("https")) {
		String path = mUri.getPath();
		if (path == null \|\| path.endsWith(".m3u8") \|\| path.endsWith(".m3u")
		\|\| path.endsWith(".mpd")) {
		// HLS or DASH streaming source
		return false;
		}
		// HTTP progressive download streaming source
		return true;
		}
		}
		return false;
		}

		MediaPlayer.OnVideoSizeChangedListener mSizeChangedListener =
		new MediaPlayer.OnVideoSizeChangedListener() {
		public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
		@@ -626,6 +644,23 @@ public class VideoView extends SurfaceView
		public void surfaceCreated(SurfaceHolder holder)
		{
		mSurfaceHolder = holder;
		// if current state is suspended, call resume() to init the decoders again
		if (mCurrentState == STATE_SUSPENDED && mMediaPlayer != null) {
		mMediaPlayer.setDisplay(mSurfaceHolder);
		if (mMediaPlayer.resume()) {
		mCurrentState = STATE_PREPARED;
		if (mSeekWhenPrepared != 0) {
		// seek if necessary
		seekTo(mSeekWhenPrepared);
		}
		if (mTargetState == STATE_PLAYING) {
		start();
		}
		return;
		} else {
		release(false);
		}
		}
		openVideo();
		}

		@@ -633,7 +668,12 @@ public class VideoView extends SurfaceView
		{
		// after we return from this we can't use the surface any more
		mSurfaceHolder = null;
		if (mMediaController != null) mMediaController.hide();
		if (mMediaController != null)
		mMediaController.hide();
		if (isHTTPStreaming(mUri) && mCurrentState == STATE_SUSPENDED) {
		// don't call release() while suspending
		return;
		}
		release(true);
		}
		};
		@@ -741,10 +781,40 @@ public class VideoView extends SurfaceView
		}

		public void suspend() {
		// HTTP streaming will call MediaPlayer::suspend() for suspend operation, others will call release()
		if (isHTTPStreaming(mUri) && mCurrentState > STATE_PREPARING && mMediaPlayer != null) {
		if (mMediaPlayer.suspend()) {
		mTargetState = mCurrentState;
		mCurrentState = STATE_SUSPENDED;
		return;
		}
		}
		release(false);
		}

		public void resume() {
		// HTTP streaming (with suspended status) will call MediaPlayer::resume(), others will call openVideo()
		if (mCurrentState == STATE_SUSPENDED && mMediaPlayer != null) {
		if (mSurfaceHolder != null) {
		if (mMediaPlayer.resume()) {
		mCurrentState = STATE_PREPARED;
		if (mSeekWhenPrepared != 0) {
		// seek if necessary
		seekTo(mSeekWhenPrepared);
		}
		if (mTargetState == STATE_PLAYING) {
		start();
		}
		return;
		} else {
		// resume failed, so call release() before openVideo()
		release(false);
		}
		} else {
		// the surface has been destroyed, resume() will be called after surface created
		return;
		}
		}
		openVideo();
		}

		@@ -792,7 +862,8 @@ public class VideoView extends SurfaceView
		return (mMediaPlayer != null &&
		mCurrentState != STATE_ERROR &&
		mCurrentState != STATE_IDLE &&
		mCurrentState != STATE_PREPARING);
		mCurrentState != STATE_PREPARING &&
		mCurrentState != STATE_SUSPENDED);
		}

		@Override