EglRenderer: Trigger framelisteners even on dropped frames by default.

webrtc/sdk/android/api/org/webrtc/RendererCommon.java

Index: webrtc/sdk/android/api/org/webrtc/RendererCommon.java
diff --git a/webrtc/sdk/android/api/org/webrtc/RendererCommon.java b/webrtc/sdk/android/api/org/webrtc/RendererCommon.java
index a82cea1d251c3b5ddd7418c922a773055da36a1d..63ffb8e552fe4b215bb36d0c0efb4354f72eb416 100644
--- a/webrtc/sdk/android/api/org/webrtc/RendererCommon.java
+++ b/webrtc/sdk/android/api/org/webrtc/RendererCommon.java
@@ -14,7 +14,6 @@ import android.graphics.Point;
 import android.opengl.GLES20;
 import android.opengl.Matrix;
 import android.view.View;
-
 import java.nio.ByteBuffer;
 
 /**
@@ -63,13 +62,14 @@ public class RendererCommon {
     // TODO(magjed): Investigate when GL_UNPACK_ROW_LENGTH is available, or make a custom shader
     // that handles stride and compare performance with intermediate copy.
     private ByteBuffer copyBuffer;
+    private int[] yuvTextures;
 
     /**
-     * Upload |planes| into |outputYuvTextures|, taking stride into consideration.
-     * |outputYuvTextures| must have been generated in advance.
+     * Upload |planes| into OpenGL textures, taking stride into consideration.
+     *
+     * @return Array of three texture indices corresponding to Y-, U-, and V-plane respectively.
      */
-    public void uploadYuvData(
-        int[] outputYuvTextures, int width, int height, int[] strides, ByteBuffer[] planes) {
+    public int[] uploadYuvData(int width, int height, int[] strides, ByteBuffer[] planes) {
       final int[] planeWidths = new int[] {width, width / 2, width / 2};
       final int[] planeHeights = new int[] {height, height / 2, height / 2};
       // Make a first pass to see if we need a temporary copy buffer.
@@ -84,10 +84,17 @@ public class RendererCommon {
           && (copyBuffer == null || copyBuffer.capacity() < copyCapacityNeeded)) {
         copyBuffer = ByteBuffer.allocateDirect(copyCapacityNeeded);
       }
+      // Make sure YUV textures are allocated.
+      if (yuvTextures == null) {
+        yuvTextures = new int[3];
+        for (int i = 0; i < 3; i++) {
+          yuvTextures[i] = GlUtil.generateTexture(GLES20.GL_TEXTURE_2D);
+        }
+      }
       // Upload each plane.
       for (int i = 0; i < 3; ++i) {
         GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + i);
-        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, outputYuvTextures[i]);
+        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, yuvTextures[i]);
         // GLES only accepts packed data, i.e. stride == planeWidth.
         final ByteBuffer packedByteBuffer;
         if (strides[i] == planeWidths[i]) {
@@ -101,6 +108,19 @@ public class RendererCommon {
         GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_LUMINANCE, planeWidths[i],
             planeHeights[i], 0, GLES20.GL_LUMINANCE, GLES20.GL_UNSIGNED_BYTE, packedByteBuffer);
       }
+      return yuvTextures;
+    }
+
+    /**
+     * Releases cached resources. Uploader can still be used and the resources will be reallocated
+     * on first use.
+     */
+    public void release() {
+      copyBuffer = null;
+      if (yuvTextures != null) {
+        GLES20.glDeleteTextures(3, yuvTextures, 0);
+        yuvTextures = null;
+      }
     }
   }