Add video scaling mode support with a new public method in MediaPlayer.java class (454014e5) · Commits · e / os / android_frameworks_base

api/current.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -11186,6 +11186,7 @@ package android.media {
		method public void setOnVideoSizeChangedListener(android.media.MediaPlayer.OnVideoSizeChangedListener);
		method public void setScreenOnWhilePlaying(boolean);
		method public void setSurface(android.view.Surface);
		method public void setVideoScalingMode(int);
		method public void setVolume(float, float);
		method public void setWakeMode(android.content.Context, int);
		method public void start() throws java.lang.IllegalStateException;
		@@ -11201,6 +11202,8 @@ package android.media {
		field public static final int MEDIA_INFO_UNKNOWN = 1; // 0x1
		field public static final int MEDIA_INFO_VIDEO_TRACK_LAGGING = 700; // 0x2bc
		field public static final java.lang.String MEDIA_MIMETYPE_TEXT_SUBRIP = "application/x-subrip";
		field public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT = 1; // 0x1
		field public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING = 2; // 0x2
		}

		public static abstract interface MediaPlayer.OnBufferingUpdateListener {

media/java/android/media/MediaPlayer.java

+64 −0

Original line number	Diff line number	Diff line
		@@ -394,6 +394,10 @@ import java.lang.ref.WeakReference;
		* <td>{} </p></td>
		* <td>This method can be called in any state and calling it does not change
		* the object state. </p></td></tr>
		* <tr><td>setVideoScalingMode </p></td>
		* <td>{Initialized, Prepared, Started, Paused, Stopped, PlaybackCompleted} </p></td>
		* <td>{Idle, Error}</p></td>
		* <td>Successful invoke of this method does not change the state.</p></td></tr>
		* <tr><td>setLooping </p></td>
		* <td>{Idle, Initialized, Stopped, Prepared, Started, Paused,
		* PlaybackCompleted}</p></td>
		@@ -599,6 +603,7 @@ public class MediaPlayer
		private static final int INVOKE_ID_ADD_EXTERNAL_SOURCE_FD = 3;
		private static final int INVOKE_ID_SELECT_TRACK = 4;
		private static final int INVOKE_ID_DESELECT_TRACK = 5;
		private static final int INVOKE_ID_SET_VIDEO_SCALE_MODE = 6;

		/**
		* Create a request parcel which can be routed to the native media
		@@ -691,6 +696,58 @@ public class MediaPlayer
		updateSurfaceScreenOn();
		}

		/* Do not change these video scaling mode values below without updating
		* their counterparts in system/window.h! Please do not forget to update
		* {@link #isVideoScalingModeSupported} when new video scaling modes
		* are added.
		*/
		/**
		* Specifies a video scaling mode. The content is stretched to the
		* surface rendering area. When the surface has the same aspect ratio
		* as the content, the aspect ratio of the content is maintained;
		* otherwise, the aspect ratio of the content is not maintained when video
		* is being rendered. Unlike {@ #VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING},
		* there is no content cropping with this video scaling mode.
		*/
		public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT = 1;

		/**
		* Specifies a video scaling mode. The content is scaled, maintaining
		* its aspect ratio. The whole surface area is always used. When the
		* aspect ratio of the content is the same as the surface, no content
		* is cropped; otherwise, content is cropped to fit the surface.
		*/
		public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING = 2;
		/**
		* Sets video scaling mode. To make the target video scaling mode
		* effective during playback, this method must be called after
		* data source is set. If not called, the default video
		* scaling mode is {@link #VIDEO_SCALING_MODE_SCALE_TO_FIT}.
		*
		* <p> The supported video scaling modes are:
		* <ul>
		* <li> {@link #VIDEO_SCALING_MODE_SCALE_TO_FIT}
		* <li> {@link #VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING}
		* </ul>
		*
		* @param mode target video scaling mode. Most be one of the supported
		* video scaling modes; otherwise, IllegalArgumentException will be thrown.
		*
		* @see MediaPlayer#VIDEO_SCALING_MODE_SCALE_TO_FIT
		* @see MediaPlayer#VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING
		*/
		public void setVideoScalingMode(int mode) {
		if (isVideoScalingModeSupported(mode)) {
		final String msg = "Scaling mode " + mode + " is not supported";
		throw new IllegalArgumentException(msg);
		}
		Parcel request = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		request.writeInterfaceToken(IMEDIA_PLAYER);
		request.writeInt(INVOKE_ID_SET_VIDEO_SCALE_MODE);
		invoke(request, reply);
		}

		/**
		* Convenience method to create a MediaPlayer for a given Uri.
		* On success, {@link #prepare()} will already have been called and must not be called again.
		@@ -2319,4 +2376,11 @@ public class MediaPlayer

		private OnInfoListener mOnInfoListener;

		/*
		* Test whether a given video scaling mode is supported.
		*/
		private boolean isVideoScalingModeSupported(int mode) {
		return (mode == VIDEO_SCALING_MODE_SCALE_TO_FIT \|\|
		mode == VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING);
		}
		}