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android: add opengl support for video display

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This commit is contained in:
Pierre-Eric Pelloux-Prayer 2011-08-12 16:21:22 +02:00
parent 48f3e9c862
commit c7e32869cf
6 changed files with 367 additions and 17 deletions
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2
res/layout-land/videocall.xml
View file

@ -4,7 +4,7 @@
android:id="@+id/video_frame" android:orientation="vertical"
android:layout_height="fill_parent" android:layout_width="fill_parent">
<SurfaceView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/video_surface"></SurfaceView>
<org.linphone.GL2JNIView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/video_surface"></org.linphone.GL2JNIView>
<SurfaceView android:layout_height="72dip" android:layout_width="88dip" android:id="@+id/video_capture_surface" android:layout_gravity="right|bottom"
android:layout_margin="15dip"></SurfaceView>
</FrameLayout>

2
res/layout/videocall.xml
View file

@ -4,7 +4,7 @@
android:id="@+id/video_frame"
android:layout_height="fill_parent" android:layout_width="fill_parent">
<SurfaceView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/video_surface"></SurfaceView>
<org.linphone.GL2JNIView android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/video_surface"></org.linphone.GL2JNIView>
<SurfaceView android:layout_height="88dip" android:layout_width="72dip" android:id="@+id/video_capture_surface" android:layout_gravity="right|bottom"
android:layout_margin="15dip"></SurfaceView>
</FrameLayout>

274
src/org/linphone/GL2JNIView.java Normal file
View file

@ -0,0 +1,274 @@
package org.linphone;
import javax.microedition.khronos.egl.EGL10;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.egl.EGLContext;
import javax.microedition.khronos.egl.EGLDisplay;
import android.content.Context;
import android.graphics.PixelFormat;
import android.opengl.GLSurfaceView;
import android.util.AttributeSet;
import android.util.Log;
class GL2JNIView extends GLSurfaceView {
private static String TAG = "GL2JNIView";
private static final boolean DEBUG = false;
public GL2JNIView(Context context) {
super(context);
init(false, 0, 0);
}
public GL2JNIView(Context context, AttributeSet att) {
super(context, att);
init(false, 0, 0);
}
public GL2JNIView(Context context, boolean translucent, int depth, int stencil) {
super(context);
init(translucent, depth, stencil);
}
private void init(boolean translucent, int depth, int stencil) {
/* By default, GLSurfaceView() creates a RGB_565 opaque surface.
* If we want a translucent one, we should change the surface's
* format here, using PixelFormat.TRANSLUCENT for GL Surfaces
* is interpreted as any 32-bit surface with alpha by SurfaceFlinger.
*/
if (translucent) {
this.getHolder().setFormat(PixelFormat.TRANSLUCENT);
}
/* Setup the context factory for 2.0 rendering.
* See ContextFactory class definition below
*/
setEGLContextFactory(new ContextFactory());
/* We need to choose an EGLConfig that matches the format of
* our surface exactly. This is going to be done in our
* custom config chooser. See ConfigChooser class definition
* below.
*/
setEGLConfigChooser( translucent ?
new ConfigChooser(8, 8, 8, 8, depth, stencil) :
new ConfigChooser(5, 6, 5, 0, depth, stencil) );
}
private static class ContextFactory implements GLSurfaceView.EGLContextFactory {
private static int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
public EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig) {
Log.w(TAG, "creating OpenGL ES 2.0 context");
checkEglError("Before eglCreateContext", egl);
int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
EGLContext context = egl.eglCreateContext(display, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
checkEglError("After eglCreateContext", egl);
return context;
}
public void destroyContext(EGL10 egl, EGLDisplay display, EGLContext context) {
egl.eglDestroyContext(display, context);
}
}
private static void checkEglError(String prompt, EGL10 egl) {
int error;
while ((error = egl.eglGetError()) != EGL10.EGL_SUCCESS) {
Log.e(TAG, String.format("%s: EGL error: 0x%x", prompt, error));
}
}
private static class ConfigChooser implements GLSurfaceView.EGLConfigChooser {
public ConfigChooser(int r, int g, int b, int a, int depth, int stencil) {
mRedSize = r;
mGreenSize = g;
mBlueSize = b;
mAlphaSize = a;
mDepthSize = depth;
mStencilSize = stencil;
}
/* This EGL config specification is used to specify 2.0 rendering.
* We use a minimum size of 4 bits for red/green/blue, but will
* perform actual matching in chooseConfig() below.
*/
private static int EGL_OPENGL_ES2_BIT = 4;
private static int[] s_configAttribs2 =
{
EGL10.EGL_RED_SIZE, 4,
EGL10.EGL_GREEN_SIZE, 4,
EGL10.EGL_BLUE_SIZE, 4,
EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL10.EGL_NONE
};
public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {
/* Get the number of minimally matching EGL configurations
*/
int[] num_config = new int[1];
egl.eglChooseConfig(display, s_configAttribs2, null, 0, num_config);
int numConfigs = num_config[0];
if (numConfigs <= 0) {
throw new IllegalArgumentException("No configs match configSpec");
}
/* Allocate then read the array of minimally matching EGL configs
*/
EGLConfig[] configs = new EGLConfig[numConfigs];
egl.eglChooseConfig(display, s_configAttribs2, configs, numConfigs, num_config);
if (DEBUG) {
printConfigs(egl, display, configs);
}
/* Now return the "best" one
*/
return chooseConfig(egl, display, configs);
}
public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display,
EGLConfig[] configs) {
for(EGLConfig config : configs) {
int d = findConfigAttrib(egl, display, config,
EGL10.EGL_DEPTH_SIZE, 0);
int s = findConfigAttrib(egl, display, config,
EGL10.EGL_STENCIL_SIZE, 0);
// We need at least mDepthSize and mStencilSize bits
if (d < mDepthSize || s < mStencilSize)
continue;
// We want an *exact* match for red/green/blue/alpha
int r = findConfigAttrib(egl, display, config,
EGL10.EGL_RED_SIZE, 0);
int g = findConfigAttrib(egl, display, config,
EGL10.EGL_GREEN_SIZE, 0);
int b = findConfigAttrib(egl, display, config,
EGL10.EGL_BLUE_SIZE, 0);
int a = findConfigAttrib(egl, display, config,
EGL10.EGL_ALPHA_SIZE, 0);
if (r == mRedSize && g == mGreenSize && b == mBlueSize && a == mAlphaSize)
return config;
}
return null;
}
private int findConfigAttrib(EGL10 egl, EGLDisplay display,
EGLConfig config, int attribute, int defaultValue) {
if (egl.eglGetConfigAttrib(display, config, attribute, mValue)) {
return mValue[0];
}
return defaultValue;
}
private void printConfigs(EGL10 egl, EGLDisplay display,
EGLConfig[] configs) {
int numConfigs = configs.length;
Log.w(TAG, String.format("%d configurations", numConfigs));
for (int i = 0; i < numConfigs; i++) {
Log.w(TAG, String.format("Configuration %d:\n", i));
printConfig(egl, display, configs[i]);
}
}
private void printConfig(EGL10 egl, EGLDisplay display,
EGLConfig config) {
int[] attributes = {
EGL10.EGL_BUFFER_SIZE,
EGL10.EGL_ALPHA_SIZE,
EGL10.EGL_BLUE_SIZE,
EGL10.EGL_GREEN_SIZE,
EGL10.EGL_RED_SIZE,
EGL10.EGL_DEPTH_SIZE,
EGL10.EGL_STENCIL_SIZE,
EGL10.EGL_CONFIG_CAVEAT,
EGL10.EGL_CONFIG_ID,
EGL10.EGL_LEVEL,
EGL10.EGL_MAX_PBUFFER_HEIGHT,
EGL10.EGL_MAX_PBUFFER_PIXELS,
EGL10.EGL_MAX_PBUFFER_WIDTH,
EGL10.EGL_NATIVE_RENDERABLE,
EGL10.EGL_NATIVE_VISUAL_ID,
EGL10.EGL_NATIVE_VISUAL_TYPE,
0x3030, // EGL10.EGL_PRESERVED_RESOURCES,
EGL10.EGL_SAMPLES,
EGL10.EGL_SAMPLE_BUFFERS,
EGL10.EGL_SURFACE_TYPE,
EGL10.EGL_TRANSPARENT_TYPE,
EGL10.EGL_TRANSPARENT_RED_VALUE,
EGL10.EGL_TRANSPARENT_GREEN_VALUE,
EGL10.EGL_TRANSPARENT_BLUE_VALUE,
0x3039, // EGL10.EGL_BIND_TO_TEXTURE_RGB,
0x303A, // EGL10.EGL_BIND_TO_TEXTURE_RGBA,
0x303B, // EGL10.EGL_MIN_SWAP_INTERVAL,
0x303C, // EGL10.EGL_MAX_SWAP_INTERVAL,
EGL10.EGL_LUMINANCE_SIZE,
EGL10.EGL_ALPHA_MASK_SIZE,
EGL10.EGL_COLOR_BUFFER_TYPE,
EGL10.EGL_RENDERABLE_TYPE,
0x3042 // EGL10.EGL_CONFORMANT
};
String[] names = {
"EGL_BUFFER_SIZE",
"EGL_ALPHA_SIZE",
"EGL_BLUE_SIZE",
"EGL_GREEN_SIZE",
"EGL_RED_SIZE",
"EGL_DEPTH_SIZE",
"EGL_STENCIL_SIZE",
"EGL_CONFIG_CAVEAT",
"EGL_CONFIG_ID",
"EGL_LEVEL",
"EGL_MAX_PBUFFER_HEIGHT",
"EGL_MAX_PBUFFER_PIXELS",
"EGL_MAX_PBUFFER_WIDTH",
"EGL_NATIVE_RENDERABLE",
"EGL_NATIVE_VISUAL_ID",
"EGL_NATIVE_VISUAL_TYPE",
"EGL_PRESERVED_RESOURCES",
"EGL_SAMPLES",
"EGL_SAMPLE_BUFFERS",
"EGL_SURFACE_TYPE",
"EGL_TRANSPARENT_TYPE",
"EGL_TRANSPARENT_RED_VALUE",
"EGL_TRANSPARENT_GREEN_VALUE",
"EGL_TRANSPARENT_BLUE_VALUE",
"EGL_BIND_TO_TEXTURE_RGB",
"EGL_BIND_TO_TEXTURE_RGBA",
"EGL_MIN_SWAP_INTERVAL",
"EGL_MAX_SWAP_INTERVAL",
"EGL_LUMINANCE_SIZE",
"EGL_ALPHA_MASK_SIZE",
"EGL_COLOR_BUFFER_TYPE",
"EGL_RENDERABLE_TYPE",
"EGL_CONFORMANT"
};
int[] value = new int[1];
for (int i = 0; i < attributes.length; i++) {
int attribute = attributes[i];
String name = names[i];
if ( egl.eglGetConfigAttrib(display, config, attribute, value)) {
Log.w(TAG, String.format(" %s: %d\n", name, value[0]));
} else {
// Log.w(TAG, String.format(" %s: failed\n", name));
while (egl.eglGetError() != EGL10.EGL_SUCCESS);
}
}
}
// Subclasses can adjust these values:
protected int mRedSize;
protected int mGreenSize;
protected int mBlueSize;
protected int mAlphaSize;
protected int mDepthSize;
protected int mStencilSize;
private int[] mValue = new int[1];
}
}

6
src/org/linphone/OpenGLESDisplay.java Normal file
View file

@ -0,0 +1,6 @@
package org.linphone;
public class OpenGLESDisplay {
public static native void init(int ptr, int width, int height);
public static native void render(int ptr);
}

70
src/org/linphone/core/AndroidVideoWindowImpl.java
View file

@ -1,8 +1,14 @@
package org.linphone.core;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import org.linphone.OpenGLESDisplay;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Bitmap.Config;
import android.opengl.GLSurfaceView;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
@ -10,15 +16,18 @@ import android.view.Surface.OutOfResourcesException;
import android.view.SurfaceHolder.Callback;
public class AndroidVideoWindowImpl {
private boolean useGLrendering;
private Bitmap mBitmap;
private SurfaceView mView;
private Surface mSurface;
private VideoWindowListener mListener;
private Renderer renderer;
public static interface VideoWindowListener{
void onSurfaceReady(AndroidVideoWindowImpl vw);
void onSurfaceDestroyed(AndroidVideoWindowImpl vw);
};
public AndroidVideoWindowImpl(SurfaceView view){
useGLrendering = (view instanceof GLSurfaceView);
mView=view;
mBitmap=null;
mSurface=null;
@ -27,10 +36,12 @@ public class AndroidVideoWindowImpl {
public void surfaceChanged(SurfaceHolder holder, int format,
int width, int height) {
Log.i("Surface is being changed.");
if (!useGLrendering) {
synchronized(AndroidVideoWindowImpl.this){
mBitmap=Bitmap.createBitmap(width,height,Config.RGB_565);
mSurface=holder.getSurface();
}
}
if (mListener!=null) mListener.onSurfaceReady(AndroidVideoWindowImpl.this);
Log.w("Video display surface changed");
}
@ -40,15 +51,23 @@ public class AndroidVideoWindowImpl {
}
public void surfaceDestroyed(SurfaceHolder holder) {
if (!useGLrendering) {
synchronized(AndroidVideoWindowImpl.this){
mSurface=null;
mBitmap=null;
}
}
if (mListener!=null)
mListener.onSurfaceDestroyed(AndroidVideoWindowImpl.this);
Log.d("Video display surface destroyed");
}
});
if (useGLrendering) {
renderer = new Renderer();
((GLSurfaceView)mView).setRenderer(renderer);
((GLSurfaceView)mView).setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
}
}
static final int LANDSCAPE=0;
static final int PORTRAIT=1;
@ -60,11 +79,26 @@ public class AndroidVideoWindowImpl {
mListener=l;
}
public Surface getSurface(){
if (useGLrendering)
Log.e("View class does not match Video display filter used (you must use a non-GL View)");
return mView.getHolder().getSurface();
}
public Bitmap getBitmap(){
if (useGLrendering)
Log.e("View class does not match Video display filter used (you must use a non-GL View)");
return mBitmap;
}
public void setOpenGLESDisplay(int ptr) {
if (!useGLrendering)
Log.e("View class does not match Video display filter used (you must use a GL View)");
renderer.setOpenGLESDisplay(ptr);
}
public void requestRender() {
((GLSurfaceView)mView).requestRender();
}
//Called by the mediastreamer2 android display filter
public synchronized void update(){
if (mSurface!=null){
@ -82,6 +116,42 @@ public class AndroidVideoWindowImpl {
}
}
}
private static class Renderer implements GLSurfaceView.Renderer {
int ptr;
boolean initPending;
int width, height;
public Renderer() {
ptr = 0;
initPending = false;
}
public void setOpenGLESDisplay(int ptr) {
this.ptr = ptr;
}
public void onDrawFrame(GL10 gl) {
if (ptr == 0)
return;
if (initPending) {
OpenGLESDisplay.init(ptr, width, height);
initPending = false;
}
OpenGLESDisplay.render(ptr);
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
/* delay init until ptr is set */
this.width = width;
this.height = height;
initPending = true;
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
}
}
}

2
submodules/linphone

@ -1 +1 @@
Subproject commit 612f0cf326f4d2c3abdb5cd6d7967b918a2ef7ac
Subproject commit f5f8a155701bc1c36483c2f1d4433d41a61bb396