Refactor VideoDestinationHandler to implement MediaStreamVideoSource.

content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/webrtc/webrtc_video_capturer_adapter.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/memory/aligned_memory.h"
 #include "media/base/video_frame.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
 
 namespace content {
 
 WebRtcVideoCapturerAdapter::WebRtcVideoCapturerAdapter(bool is_screencast)
     : is_screencast_(is_screencast),
       running_(false),
       buffer_(NULL),
       buffer_size_(0) {
 }
 
 WebRtcVideoCapturerAdapter::~WebRtcVideoCapturerAdapter() {
   DVLOG(3) << " WebRtcVideoCapturerAdapter::dtor";
   base::AlignedFree(buffer_);
 }
 
-void WebRtcVideoCapturerAdapter::SetRequestedFormat(
-    const media::VideoCaptureFormat& format) {
-  DCHECK_EQ(media::PIXEL_FORMAT_I420, format.pixel_format);
-  DVLOG(3) << "WebRtcVideoCapturerAdapter::SetRequestedFormat"
-           << " w = " << format.frame_size.width()
-           << " h = " << format.frame_size.height();
-  cricket::VideoFormat supported_format(format.frame_size.width(),
-                                        format.frame_size.height(),
-                                        cricket::VideoFormat::FpsToInterval(
-                                            format.frame_rate),
-                                        cricket::FOURCC_I420);
-  SetCaptureFormat(&supported_format);
-
-  // Update the desired aspect ratio so that later the video frame can be
-  // cropped to meet the requirement if the camera returns a different
-  // resolution than the |request|.
-  UpdateAspectRatio(format.frame_size.width(), format.frame_size.height());
-}
-
 cricket::CaptureState WebRtcVideoCapturerAdapter::Start(
     const cricket::VideoFormat& capture_format) {
   DCHECK(!running_);
   DVLOG(3) << " WebRtcVideoCapturerAdapter::Start w = " << capture_format.width
            << " h = " << capture_format.height;
 
   running_ = true;
   return cricket::CS_RUNNING;
 }
 
@@ skipping 129 matching lines @@
                    dst_stride_y,
                    dst_u,
                    dst_halfwidth,
                    dst_v,
                    dst_halfwidth,
                    dst_width,
                    dst_height);
 }
 
 }  // namespace content