Revert of Add task queue to Call.

webrtc/video/video_capture_input.h

+/*
+ *  Copyright (c) 2012 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.
+ */
+
+#ifndef WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
+#define WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_
+
+#include <memory>
+#include <vector>
+
+#include "webrtc/base/criticalsection.h"
+#include "webrtc/base/event.h"
+#include "webrtc/base/platform_thread.h"
+#include "webrtc/base/thread_annotations.h"
+#include "webrtc/common_types.h"
+#include "webrtc/engine_configurations.h"
+#include "webrtc/modules/video_capture/video_capture.h"
+#include "webrtc/modules/video_coding/include/video_codec_interface.h"
+#include "webrtc/modules/video_coding/include/video_coding.h"
+#include "webrtc/modules/video_processing/include/video_processing.h"
+#include "webrtc/system_wrappers/include/clock.h"
+#include "webrtc/typedefs.h"
+#include "webrtc/video_send_stream.h"
+
+namespace webrtc {
+
+class Config;
+class OveruseFrameDetector;
+class SendStatisticsProxy;
+
+namespace internal {
+class VideoCaptureInput : public webrtc::VideoCaptureInput {
+ public:
+  VideoCaptureInput(rtc::Event* capture_event,
+                    rtc::VideoSinkInterface<VideoFrame>* local_renderer,
+                    SendStatisticsProxy* send_stats_proxy,
+                    OveruseFrameDetector* overuse_detector);
+  ~VideoCaptureInput();
+
+  void IncomingCapturedFrame(const VideoFrame& video_frame) override;
+
+  bool GetVideoFrame(VideoFrame* frame);
+
+ private:
+  rtc::CriticalSection crit_;
+
+  rtc::VideoSinkInterface<VideoFrame>* const local_renderer_;
+  SendStatisticsProxy* const stats_proxy_;
+  rtc::Event* const capture_event_;
+
+  std::unique_ptr<VideoFrame> captured_frame_ GUARDED_BY(crit_);
+  Clock* const clock_;
+  // Used to make sure incoming time stamp is increasing for every frame.
+  int64_t last_captured_timestamp_;
+  // Delta used for translating between NTP and internal timestamps.
+  const int64_t delta_ntp_internal_ms_;
+
+  OveruseFrameDetector* const overuse_detector_;
+};
+
+}  // namespace internal
+}  // namespace webrtc
+
+#endif  // WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_