我正在一个 Android 项目中实现 webrtc,我基于github中的这个示例。
此示例使用 libjingle 库。这是视频渲染视图的创建方式:
// Create video renderers.
VideoRendererGui.setView((GLSurfaceView)videoView, new Runnable() {
@Override
public void run() {
createPeerConnectionFactory();
}
});
remoteRender = VideoRendererGui.create(
REMOTE_X, REMOTE_Y,
REMOTE_WIDTH, REMOTE_HEIGHT, scalingType, false);
localRender = VideoRendererGui.create(
LOCAL_X_CONNECTING, LOCAL_Y_CONNECTING,
LOCAL_WIDTH_CONNECTING, LOCAL_HEIGHT_CONNECTING, scalingType, true);
我的问题是如何管理自定义remoteRender
and localRender
,以便我可以更改它position
的GLSurfaceView
宽度和高度
编辑:
我做了一个听众,我试过这个:
@Override
public void onWidthHeightChange(int width, int height) {
VideoRendererGui.update(remoteRender,
REMOTE_X-width, REMOTE_X-height,
REMOTE_WIDTH-width, REMOTE_HEIGHT-height, scalingType, false);
if (iceConnected) {
VideoRendererGui.update(localRender,
LOCAL_X_CONNECTED, LOCAL_Y_CONNECTED,
LOCAL_WIDTH_CONNECTED, LOCAL_HEIGHT_CONNECTED,
ScalingType.SCALE_ASPECT_FIT, true);
} else {
VideoRendererGui.update(localRender,
LOCAL_X_CONNECTING, LOCAL_Y_CONNECTING,
LOCAL_WIDTH_CONNECTING, LOCAL_HEIGHT_CONNECTING, scalingType, true);
}
}
当我给宽度和高度都赋值 150 时,它给了我这个错误:
08-21 14:34:01.621 7636-7636/org.appspot.apprtc E/AppRTCDemoActivity﹕ Fatal error: glUseProgram: GLES20 error: 1281
java.lang.RuntimeException: glUseProgram: GLES20 error: 1281
at org.webrtc.GlUtil.checkNoGLES2Error(GlUtil.java:48)
at org.webrtc.GlShader.useProgram(GlShader.java:123)
at org.webrtc.GlRectDrawer.drawOes(GlRectDrawer.java:132)
at org.webrtc.VideoRendererGui$YuvImageRenderer.draw(VideoRendererGui.java:371)
at org.webrtc.VideoRendererGui$YuvImageRenderer.access$800(VideoRendererGui.java:131)
at org.webrtc.VideoRendererGui.onDrawFrame(VideoRendererGui.java:722)
at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1522)
at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1239)
使用解决方案编辑 2:
当我看到mattm
答案时,我明白他是对的。
当我搜索我的异常时,我发现它是从libjingle
库中抛出的异常。我在VideoRendererGui.java 的第368、347行找到了这段代码,我找到了我的问题的解决方案。
添加视图高度和宽度时,它必须在基于此代码的这些范围内:
/**
* Creates VideoRenderer.Callbacks with top left corner at (x, y) and
* resolution (width, height). All parameters are in percentage of
* screen resolution.
*/
public static YuvImageRenderer create(
int x, int y, int width, int height) {
// Check display region parameters.
if (x < 0 || x > 100 || y < 0 || y > 100 ||
width < 0 || width > 100 || height < 0 || height > 100 ||
x + width > 100 || y + height > 100) {
throw new RuntimeException("Incorrect window parameters.");
}
所以只要我遵循这些规则调用该方法VideoRendererGui.update(...
就可以完美地工作
谢谢