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/*
* 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 MODULES_VIDEO_CODING_RECEIVER_H_
#define MODULES_VIDEO_CODING_RECEIVER_H_
#include <memory>
#include <vector>
#include "modules/video_coding/include/video_coding.h"
#include "modules/video_coding/include/video_coding_defines.h"
#include "modules/video_coding/jitter_buffer.h"
#include "modules/video_coding/packet.h"
#include "modules/video_coding/timing.h"
#include "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 // MODULES_VIDEO_CODING_RECEIVER_H_
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