mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-05-31 22:58:17 +00:00
111 lines
3.9 KiB
Java
111 lines
3.9 KiB
Java
/* GStreamer
|
|
*
|
|
* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
package org.freedesktop.gstreamer.play;
|
|
|
|
import android.content.Context;
|
|
import android.util.AttributeSet;
|
|
import android.util.Log;
|
|
import android.view.SurfaceView;
|
|
import android.view.View;
|
|
|
|
// A simple SurfaceView whose width and height can be set from the outside
|
|
public class GStreamerSurfaceView extends SurfaceView {
|
|
public int media_width = 320;
|
|
public int media_height = 240;
|
|
|
|
// Mandatory constructors, they do not do much
|
|
public GStreamerSurfaceView(Context context, AttributeSet attrs,
|
|
int defStyle) {
|
|
super(context, attrs, defStyle);
|
|
}
|
|
|
|
public GStreamerSurfaceView(Context context, AttributeSet attrs) {
|
|
super(context, attrs);
|
|
}
|
|
|
|
public GStreamerSurfaceView (Context context) {
|
|
super(context);
|
|
}
|
|
|
|
// Called by the layout manager to find out our size and give us some rules.
|
|
// We will try to maximize our size, and preserve the media's aspect ratio if
|
|
// we are given the freedom to do so.
|
|
@Override
|
|
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
|
|
if (media_width == 0 || media_height == 0) {
|
|
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
|
|
return;
|
|
}
|
|
|
|
int width = 0, height = 0;
|
|
int wmode = View.MeasureSpec.getMode(widthMeasureSpec);
|
|
int hmode = View.MeasureSpec.getMode(heightMeasureSpec);
|
|
int wsize = View.MeasureSpec.getSize(widthMeasureSpec);
|
|
int hsize = View.MeasureSpec.getSize(heightMeasureSpec);
|
|
|
|
Log.i ("GStreamer", "onMeasure called with " + media_width + "x" + media_height);
|
|
// Obey width rules
|
|
switch (wmode) {
|
|
case View.MeasureSpec.AT_MOST:
|
|
if (hmode == View.MeasureSpec.EXACTLY) {
|
|
width = Math.min(hsize * media_width / media_height, wsize);
|
|
break;
|
|
}
|
|
case View.MeasureSpec.EXACTLY:
|
|
width = wsize;
|
|
break;
|
|
case View.MeasureSpec.UNSPECIFIED:
|
|
width = media_width;
|
|
}
|
|
|
|
// Obey height rules
|
|
switch (hmode) {
|
|
case View.MeasureSpec.AT_MOST:
|
|
if (wmode == View.MeasureSpec.EXACTLY) {
|
|
height = Math.min(wsize * media_height / media_width, hsize);
|
|
break;
|
|
}
|
|
case View.MeasureSpec.EXACTLY:
|
|
height = hsize;
|
|
break;
|
|
case View.MeasureSpec.UNSPECIFIED:
|
|
height = media_height;
|
|
}
|
|
|
|
// Finally, calculate best size when both axis are free
|
|
if (hmode == View.MeasureSpec.AT_MOST && wmode == View.MeasureSpec.AT_MOST) {
|
|
int correct_height = width * media_height / media_width;
|
|
int correct_width = height * media_width / media_height;
|
|
|
|
if (correct_height < height)
|
|
height = correct_height;
|
|
else
|
|
width = correct_width;
|
|
}
|
|
|
|
// Obey minimum size
|
|
width = Math.max (getSuggestedMinimumWidth(), width);
|
|
height = Math.max (getSuggestedMinimumHeight(), height);
|
|
setMeasuredDimension(width, height);
|
|
}
|
|
|
|
}
|