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/*
* libjingle
* Copyright 2015 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.webrtc;
import android.graphics.Point;
import android.test.ActivityTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import android.view.View.MeasureSpec;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.List;
public final class SurfaceViewRendererOnMeasureTest extends ActivityTestCase {
/**
* List with all possible scaling types.
*/
private static final List<RendererCommon.ScalingType> scalingTypes = Arrays.asList(
RendererCommon.ScalingType.SCALE_ASPECT_FIT,
RendererCommon.ScalingType.SCALE_ASPECT_FILL,
RendererCommon.ScalingType.SCALE_ASPECT_BALANCED);
/**
* List with MeasureSpec modes.
*/
private static final List<Integer> measureSpecModes =
Arrays.asList(MeasureSpec.EXACTLY, MeasureSpec.AT_MOST);
/**
* Returns a dummy YUV frame.
*/
static VideoRenderer.I420Frame createFrame(int width, int height, int rotationDegree) {
final int[] yuvStrides = new int[] {width, (width + 1) / 2, (width + 1) / 2};
final int[] yuvHeights = new int[] {height, (height + 1) / 2, (height + 1) / 2};
final ByteBuffer[] yuvPlanes = new ByteBuffer[3];
for (int i = 0; i < 3; ++i) {
yuvPlanes[i] = ByteBuffer.allocateDirect(yuvStrides[i] * yuvHeights[i]);
}
return new VideoRenderer.I420Frame(width, height, rotationDegree, yuvStrides, yuvPlanes, 0);
}
/**
* Assert onMeasure() with given parameters will result in expected measured size.
*/
private static void assertMeasuredSize(
SurfaceViewRenderer surfaceViewRenderer, RendererCommon.ScalingType scalingType,
String frameDimensions,
int expectedWidth, int expectedHeight,
int widthSpec, int heightSpec) {
surfaceViewRenderer.setScalingType(scalingType);
surfaceViewRenderer.onMeasure(widthSpec, heightSpec);
final int measuredWidth = surfaceViewRenderer.getMeasuredWidth();
final int measuredHeight = surfaceViewRenderer.getMeasuredHeight();
if (measuredWidth != expectedWidth || measuredHeight != expectedHeight) {
fail("onMeasure("
+ MeasureSpec.toString(widthSpec) + ", " + MeasureSpec.toString(heightSpec) + ")"
+ " with scaling type " + scalingType
+ " and frame: " + frameDimensions
+ " expected measured size " + expectedWidth + "x" + expectedHeight
+ ", but was " + measuredWidth + "x" + measuredHeight);
}
}
/**
* Test how SurfaceViewRenderer.onMeasure() behaves when no frame has been delivered.
*/
@MediumTest
public void testNoFrame() {
final SurfaceViewRenderer surfaceViewRenderer =
new SurfaceViewRenderer(getInstrumentation().getContext());
final String frameDimensions = "null";
// Test behaviour before SurfaceViewRenderer.init() is called.
for (RendererCommon.ScalingType scalingType : scalingTypes) {
for (int measureSpecMode : measureSpecModes) {
final int zeroMeasureSize = MeasureSpec.makeMeasureSpec(0, measureSpecMode);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
0, 0, zeroMeasureSize, zeroMeasureSize);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
1280, 720,
MeasureSpec.makeMeasureSpec(1280, measureSpecMode),
MeasureSpec.makeMeasureSpec(720, measureSpecMode));
}
}
// Test behaviour after SurfaceViewRenderer.init() is called, but still no frame.
surfaceViewRenderer.init((EglBase.Context) null, null);
for (RendererCommon.ScalingType scalingType : scalingTypes) {
for (int measureSpecMode : measureSpecModes) {
final int zeroMeasureSize = MeasureSpec.makeMeasureSpec(0, measureSpecMode);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
0, 0, zeroMeasureSize, zeroMeasureSize);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
1280, 720,
MeasureSpec.makeMeasureSpec(1280, measureSpecMode),
MeasureSpec.makeMeasureSpec(720, measureSpecMode));
}
}
surfaceViewRenderer.release();
}
/**
* Test how SurfaceViewRenderer.onMeasure() behaves with a 1280x720 frame.
*/
@MediumTest
public void testFrame1280x720() {
final SurfaceViewRenderer surfaceViewRenderer =
new SurfaceViewRenderer(getInstrumentation().getContext());
surfaceViewRenderer.init((EglBase.Context) null, null);
// Test different rotation degress, but same rotated size.
for (int rotationDegree : new int[] {0, 90, 180, 270}) {
final int rotatedWidth = 1280;
final int rotatedHeight = 720;
final int unrotatedWidth = (rotationDegree % 180 == 0 ? rotatedWidth : rotatedHeight);
final int unrotatedHeight = (rotationDegree % 180 == 0 ? rotatedHeight : rotatedWidth);
final VideoRenderer.I420Frame frame =
createFrame(unrotatedWidth, unrotatedHeight, rotationDegree);
assertEquals(rotatedWidth, frame.rotatedWidth());
assertEquals(rotatedHeight, frame.rotatedHeight());
final String frameDimensions =
unrotatedWidth + "x" + unrotatedHeight + " with rotation " + rotationDegree;
surfaceViewRenderer.renderFrame(frame);
// Test forcing to zero size.
for (RendererCommon.ScalingType scalingType : scalingTypes) {
for (int measureSpecMode : measureSpecModes) {
final int zeroMeasureSize = MeasureSpec.makeMeasureSpec(0, measureSpecMode);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
0, 0, zeroMeasureSize, zeroMeasureSize);
}
}
// Test perfect fit.
for (RendererCommon.ScalingType scalingType : scalingTypes) {
for (int measureSpecMode : measureSpecModes) {
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
rotatedWidth, rotatedHeight,
MeasureSpec.makeMeasureSpec(rotatedWidth, measureSpecMode),
MeasureSpec.makeMeasureSpec(rotatedHeight, measureSpecMode));
}
}
// Force spec size with different aspect ratio than frame aspect ratio.
for (RendererCommon.ScalingType scalingType : scalingTypes) {
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
720, 1280,
MeasureSpec.makeMeasureSpec(720, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(1280, MeasureSpec.EXACTLY));
}
final float videoAspectRatio = (float) rotatedWidth / rotatedHeight;
{
// Relax both width and height constraints.
final int widthSpec = MeasureSpec.makeMeasureSpec(720, MeasureSpec.AT_MOST);
final int heightSpec = MeasureSpec.makeMeasureSpec(1280, MeasureSpec.AT_MOST);
for (RendererCommon.ScalingType scalingType : scalingTypes) {
final Point expectedSize =
RendererCommon.getDisplaySize(scalingType, videoAspectRatio, 720, 1280);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
expectedSize.x, expectedSize.y, widthSpec, heightSpec);
}
}
{
// Force width to 720, but relax height constraint. This will give the same result as
// above, because width is already the limiting factor and will be maxed out.
final int widthSpec = MeasureSpec.makeMeasureSpec(720, MeasureSpec.EXACTLY);
final int heightSpec = MeasureSpec.makeMeasureSpec(1280, MeasureSpec.AT_MOST);
for (RendererCommon.ScalingType scalingType : scalingTypes) {
final Point expectedSize =
RendererCommon.getDisplaySize(scalingType, videoAspectRatio, 720, 1280);
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
expectedSize.x, expectedSize.y, widthSpec, heightSpec);
}
}
{
// Force height, but relax width constraint. This will force a bad layout size.
final int widthSpec = MeasureSpec.makeMeasureSpec(720, MeasureSpec.AT_MOST);
final int heightSpec = MeasureSpec.makeMeasureSpec(1280, MeasureSpec.EXACTLY);
for (RendererCommon.ScalingType scalingType : scalingTypes) {
assertMeasuredSize(surfaceViewRenderer, scalingType, frameDimensions,
720, 1280, widthSpec, heightSpec);
}
}
}
surfaceViewRenderer.release();
}
}
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