Revert of Add framerate to VideoSinkWants and ability to signal on overuse

webrtc/test/video_capturer.cc

-/*
- *  Copyright (c) 2017 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.
- */
-
-#include "webrtc/test/video_capturer.h"
-
-#include "webrtc/base/basictypes.h"
-#include "webrtc/base/constructormagic.h"
-
-namespace webrtc {
-namespace test {
-VideoCapturer::VideoCapturer() : video_adapter_(new cricket::VideoAdapter()) {}
-VideoCapturer::~VideoCapturer() {}
-
-rtc::Optional<VideoFrame> VideoCapturer::AdaptFrame(const VideoFrame& frame) {
-  int cropped_width = 0;
-  int cropped_height = 0;
-  int out_width = 0;
-  int out_height = 0;
-
-  if (!video_adapter_->AdaptFrameResolution(
-          frame.width(), frame.height(), frame.timestamp_us() * 1000,
-          &cropped_width, &cropped_height, &out_width, &out_height)) {
-    // Drop frame in order to respect frame rate constraint.
-    return rtc::Optional<VideoFrame>();
-  }
-
-  rtc::Optional<VideoFrame> out_frame;
-  if (out_height != frame.height() || out_width != frame.width()) {
-    // Video adapter has requested a down-scale. Allocate a new buffer and
-    // return scaled version.
-    rtc::scoped_refptr<I420Buffer> scaled_buffer =
-        I420Buffer::Create(out_width, out_height);
-    scaled_buffer->ScaleFrom(*frame.video_frame_buffer().get());
-    out_frame.emplace(
-        VideoFrame(scaled_buffer, kVideoRotation_0, frame.timestamp_us()));
-  } else {
-    // No adaptations needed, just return the frame as is.
-    out_frame.emplace(frame);
-  }
-
-  return out_frame;
-}
-
-void VideoCapturer::AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
-                                    const rtc::VideoSinkWants& wants) {
-  video_adapter_->OnResolutionFramerateRequest(
-      wants.target_pixel_count, wants.max_pixel_count, wants.max_framerate_fps);
-}
-
-}  // namespace test
-}  // namespace webrtc