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Use mirror image for Android AppRTCDemo local preview.

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Similar to Chrome apprtc using mirror image for camera
local preview provides better experience when device
is rotated.

R=jiayl@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/25209004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7741 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
glaznev@webrtc.org 2014-11-24 17:31:01 +00:00
parent 03499a0e95
commit dab5d92df6
2 changed files with 26 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java
View File

@ -227,6 +227,7 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
private static enum RendererType { RENDERER_YUV, RENDERER_TEXTURE };
private RendererType rendererType;
private ScalingType scalingType;
private boolean mirror;
// Flag if renderFrame() was ever called.
boolean seenFrame;
// Total number of video frames received in renderFrame() call.
@ -265,11 +266,12 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
private YuvImageRenderer(
GLSurfaceView surface, int id,
int x, int y, int width, int height,
ScalingType scalingType) {
ScalingType scalingType, boolean mirror) {
Log.d(TAG, "YuvImageRenderer.Create id: " + id);
this.surface = surface;
this.id = id;
this.scalingType = scalingType;
this.mirror = mirror;
frameToRenderQueue = new LinkedBlockingQueue<I420Frame>(1);
// Create texture vertices.
texLeft = (x - 50) / 50.0f;
@ -373,11 +375,18 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
textureVertices = directNativeFloatBuffer(textureVeticesFloat);
Log.d(TAG, " Texture UV offsets: " + texOffsetU + ", " + texOffsetV);
float uLeft = texOffsetU;
float uRight = 1.0f - texOffsetU;
if (mirror) {
// Swap U coordinates for mirror image.
uLeft = 1.0f - texOffsetU;
uRight = texOffsetU;
}
float textureCoordinatesFloat[] = new float[] {
texOffsetU, texOffsetV, // left top
texOffsetU, 1.0f - texOffsetV, // left bottom
1.0f - texOffsetU, texOffsetV, // right top
1.0f - texOffsetU, 1.0f - texOffsetV // right bottom
uLeft, texOffsetV, // left top
uLeft, 1.0f - texOffsetV, // left bottom
uRight, texOffsetV, // right top
uRight, 1.0f - texOffsetV // right bottom
};
textureCoords = directNativeFloatBuffer(textureCoordinatesFloat);
}
@ -599,16 +608,17 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
* Creates VideoRenderer with top left corner at (x, y) and resolution
* (width, height). All parameters are in percentage of screen resolution.
*/
public static VideoRenderer createGui(
int x, int y, int width, int height, ScalingType scalingType)
throws Exception {
YuvImageRenderer javaGuiRenderer = create(x, y, width, height, scalingType);
public static VideoRenderer createGui(int x, int y, int width, int height,
ScalingType scalingType, boolean mirror) throws Exception {
YuvImageRenderer javaGuiRenderer = create(
x, y, width, height, scalingType, mirror);
return new VideoRenderer(javaGuiRenderer);
}
public static VideoRenderer.Callbacks createGuiRenderer(
int x, int y, int width, int height, ScalingType scalingType) {
return create(x, y, width, height, scalingType);
int x, int y, int width, int height,
ScalingType scalingType, boolean mirror) {
return create(x, y, width, height, scalingType, mirror);
}
/**
@ -616,8 +626,8 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
* resolution (width, height). All parameters are in percentage of
* screen resolution.
*/
public static YuvImageRenderer create(
int x, int y, int width, int height, ScalingType scalingType) {
public static YuvImageRenderer create(int x, int y, int width, int height,
ScalingType scalingType, boolean mirror) {
// Check display region parameters.
if (x < 0 || x > 100 || y < 0 || y > 100 ||
width < 0 || width > 100 || height < 0 || height > 100 ||
@ -631,7 +641,7 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
}
final YuvImageRenderer yuvImageRenderer = new YuvImageRenderer(
instance.surface, instance.yuvImageRenderers.size(),
x, y, width, height, scalingType);
x, y, width, height, scalingType, mirror);
synchronized (instance.yuvImageRenderers) {
if (instance.onSurfaceCreatedCalled) {
// onSurfaceCreated has already been called for VideoRendererGui -

4
talk/examples/android/src/org/appspot/apprtc/AppRTCDemoActivity.java
View File

@ -117,8 +117,8 @@ public class AppRTCDemoActivity extends Activity
VideoRendererGui.setView(videoView);
scalingType = ScalingType.SCALE_ASPECT_FILL;
remoteRender = VideoRendererGui.create(0, 0, 100, 100, scalingType);
localRender = VideoRendererGui.create(0, 0, 100, 100, scalingType);
remoteRender = VideoRendererGui.create(0, 0, 100, 100, scalingType, false);
localRender = VideoRendererGui.create(0, 0, 100, 100, scalingType, true);
videoView.setOnClickListener(
new View.OnClickListener() {