Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

modules/video_coding/receiver.h

@@ -0,0 +1,104 @@
+/*
+ *  Copyright (c) 2011 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_MODULES_VIDEO_CODING_RECEIVER_H_
+#define WEBRTC_MODULES_VIDEO_CODING_RECEIVER_H_
+
+#include <memory>
+#include <vector>
+
+#include "webrtc/modules/video_coding/include/video_coding.h"
+#include "webrtc/modules/video_coding/include/video_coding_defines.h"
+#include "webrtc/modules/video_coding/jitter_buffer.h"
+#include "webrtc/modules/video_coding/packet.h"
+#include "webrtc/modules/video_coding/timing.h"
+#include "webrtc/rtc_base/criticalsection.h"
+
+namespace webrtc {
+
+class Clock;
+class VCMEncodedFrame;
+
+class VCMReceiver {
+ public:
+  // Constructor for current interface, will be removed when the
+  // new jitter buffer is in place.
+  VCMReceiver(VCMTiming* timing, Clock* clock, EventFactory* event_factory);
+
+  // Create method for the new jitter buffer.
+  VCMReceiver(VCMTiming* timing,
+              Clock* clock,
+              EventFactory* event_factory,
+              NackSender* nack_sender,
+              KeyFrameRequestSender* keyframe_request_sender);
+
+  // Using this constructor, you can specify a different event factory for the
+  // jitter buffer. Useful for unit tests when you want to simulate incoming
+  // packets, in which case the jitter buffer's wait event is different from
+  // that of VCMReceiver itself.
+  //
+  // Constructor for current interface, will be removed when the
+  // new jitter buffer is in place.
+  VCMReceiver(VCMTiming* timing,
+              Clock* clock,
+              std::unique_ptr<EventWrapper> receiver_event,
+              std::unique_ptr<EventWrapper> jitter_buffer_event);
+
+  // Create method for the new jitter buffer.
+  VCMReceiver(VCMTiming* timing,
+              Clock* clock,
+              std::unique_ptr<EventWrapper> receiver_event,
+              std::unique_ptr<EventWrapper> jitter_buffer_event,
+              NackSender* nack_sender,
+              KeyFrameRequestSender* keyframe_request_sender);
+
+  ~VCMReceiver();
+
+  void Reset();
+  void UpdateRtt(int64_t rtt);
+  int32_t InsertPacket(const VCMPacket& packet);
+  VCMEncodedFrame* FrameForDecoding(uint16_t max_wait_time_ms,
+                                    bool prefer_late_decoding);
+  void ReleaseFrame(VCMEncodedFrame* frame);
+  void ReceiveStatistics(uint32_t* bitrate, uint32_t* framerate);
+
+  // NACK.
+  void SetNackMode(VCMNackMode nackMode,
+                   int64_t low_rtt_nack_threshold_ms,
+                   int64_t high_rtt_nack_threshold_ms);
+  void SetNackSettings(size_t max_nack_list_size,
+                       int max_packet_age_to_nack,
+                       int max_incomplete_time_ms);
+  VCMNackMode NackMode() const;
+  std::vector<uint16_t> NackList(bool* request_key_frame);
+
+  // Receiver video delay.
+  int SetMinReceiverDelay(int desired_delay_ms);
+
+  // Decoding with errors.
+  void SetDecodeErrorMode(VCMDecodeErrorMode decode_error_mode);
+  VCMDecodeErrorMode DecodeErrorMode() const;
+
+  void RegisterStatsCallback(VCMReceiveStatisticsCallback* callback);
+
+  void TriggerDecoderShutdown();
+
+ private:
+  rtc::CriticalSection crit_sect_;
+  Clock* const clock_;
+  VCMJitterBuffer jitter_buffer_;
+  VCMTiming* timing_;
+  std::unique_ptr<EventWrapper> render_wait_event_;
+  int max_video_delay_ms_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CODING_RECEIVER_H_