Android: Add support for cropping textures

webrtc/api/java/jni/native_handle_impl.h

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 20 matching lines @@
 class AndroidTextureBuffer : public webrtc::NativeHandleBuffer {
  public:
   AndroidTextureBuffer(int width,
                        int height,
                        const NativeHandleImpl& native_handle,
                        jobject surface_texture_helper,
                        const rtc::Callback0<void>& no_longer_used);
   ~AndroidTextureBuffer();
   rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override;
 
-  rtc::scoped_refptr<AndroidTextureBuffer> ScaleAndRotate(
-      int dst_widht,
+  // First crop, then scale to dst resolution, and then rotate.
+  rtc::scoped_refptr<AndroidTextureBuffer> CropScaleAndRotate(
+      int cropped_width,
+      int cropped_height,
+      int dst_width,
       int dst_height,
       webrtc::VideoRotation rotation);
 
  private:
   NativeHandleImpl native_handle_;
   // Raw object pointer, relying on the caller, i.e.,
   // AndroidVideoCapturerJni or the C++ SurfaceTextureHelper, to keep
   // a global reference. TODO(nisse): Make this a reference to the C++
   // SurfaceTextureHelper instead, but that requires some refactoring
   // of AndroidVideoCapturerJni.
   jobject surface_texture_helper_;
   rtc::Callback0<void> no_longer_used_cb_;
 };
 
 }  // namespace webrtc_jni
 
 #endif  // WEBRTC_API_JAVA_JNI_NATIVE_HANDLE_IMPL_H_