Move MutableDataY{,U,V} methods to I420Buffer only.

webrtc/api/android/jni/androidmediadecoder_jni.cc

 /*
  *  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 764 matching lines @@
     jobject output_buffer =
         jni->GetObjectArrayElement(output_buffers, output_buffer_index);
     uint8_t* payload = reinterpret_cast<uint8_t*>(jni->GetDirectBufferAddress(
         output_buffer));
     if (CheckException(jni)) {
       return false;
     }
     payload += output_buffer_offset;
 
     // Create yuv420 frame.
-    frame_buffer = decoded_frame_pool_.CreateBuffer(width, height);
+    rtc::scoped_refptr<webrtc::I420Buffer> i420_buffer;
+
+    i420_buffer = decoded_frame_pool_.CreateBuffer(width, height);
     if (color_format == COLOR_FormatYUV420Planar) {
       RTC_CHECK_EQ(0, stride % 2);
       RTC_CHECK_EQ(0, slice_height % 2);
       const int uv_stride = stride / 2;
       const int u_slice_height = slice_height / 2;
       const uint8_t* y_ptr = payload;
       const uint8_t* u_ptr = y_ptr + stride * slice_height;
       const uint8_t* v_ptr = u_ptr + uv_stride * u_slice_height;
       libyuv::I420Copy(y_ptr, stride,
                        u_ptr, uv_stride,
                        v_ptr, uv_stride,
-                       frame_buffer->MutableDataY(),
-                       frame_buffer->StrideY(),
-                       frame_buffer->MutableDataU(),
-                       frame_buffer->StrideU(),
-                       frame_buffer->MutableDataV(),
-                       frame_buffer->StrideV(),
+                       i420_buffer->MutableDataY(), i420_buffer->StrideY(),
+                       i420_buffer->MutableDataU(), i420_buffer->StrideU(),
+                       i420_buffer->MutableDataV(), i420_buffer->StrideV(),
                        width, height);
     } else {
       // All other supported formats are nv12.
       const uint8_t* y_ptr = payload;
       const uint8_t* uv_ptr = y_ptr + stride * slice_height;
       libyuv::NV12ToI420(
           y_ptr, stride,
           uv_ptr, stride,
-          frame_buffer->MutableDataY(),
-          frame_buffer->StrideY(),
-          frame_buffer->MutableDataU(),
-          frame_buffer->StrideU(),
-          frame_buffer->MutableDataV(),
-          frame_buffer->StrideV(),
+          i420_buffer->MutableDataY(), i420_buffer->StrideY(),
+          i420_buffer->MutableDataU(), i420_buffer->StrideU(),
+          i420_buffer->MutableDataV(), i420_buffer->StrideV(),
           width, height);
     }
+    frame_buffer = i420_buffer;
+
     // Return output byte buffer back to codec.
     jni->CallVoidMethod(
         *j_media_codec_video_decoder_,
         j_return_decoded_byte_buffer_method_,
         output_buffer_index);
     if (CheckException(jni)) {
       ALOGE << "returnDecodedOutputBuffer error";
       return false;
     }
   }
@@ skipping 157 matching lines @@
     webrtc::VideoDecoder* decoder) {
   ALOGD << "Destroy video decoder.";
   delete decoder;
 }
 
 const char* MediaCodecVideoDecoder::ImplementationName() const {
   return "MediaCodec";
 }
 
 }  // namespace webrtc_jni