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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 WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_
#define WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_
#include "webrtc/modules/video_coding/main/source/jitter_buffer.h"
#include "webrtc/modules/video_coding/main/source/packet.h"
#include "webrtc/modules/video_coding/main/source/timing.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/modules/video_coding/main/interface/video_coding.h"
#include "webrtc/modules/video_coding/main/interface/video_coding_defines.h"
namespace webrtc {
class Clock;
class VCMEncodedFrame;
class VCMReceiver {
public:
VCMReceiver(VCMTiming* timing,
Clock* clock,
EventFactory* event_factory);
// 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.
VCMReceiver(VCMTiming* timing,
Clock* clock,
rtc::scoped_ptr<EventWrapper> receiver_event,
rtc::scoped_ptr<EventWrapper> jitter_buffer_event);
~VCMReceiver();
void Reset();
void UpdateRtt(int64_t rtt);
int32_t InsertPacket(const VCMPacket& packet,
uint16_t frame_width,
uint16_t frame_height);
VCMEncodedFrame* FrameForDecoding(uint16_t max_wait_time_ms,
int64_t& next_render_time_ms,
bool render_timing = true);
void ReleaseFrame(VCMEncodedFrame* frame);
void ReceiveStatistics(uint32_t* bitrate, uint32_t* framerate);
uint32_t DiscardedPackets() const;
// 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;
// Returns size in time (milliseconds) of complete continuous frames in the
// jitter buffer. The render time is estimated based on the render delay at
// the time this function is called.
int RenderBufferSizeMs();
void RegisterStatsCallback(VCMReceiveStatisticsCallback* callback);
void TriggerDecoderShutdown();
private:
CriticalSectionWrapper* crit_sect_;
Clock* const clock_;
VCMJitterBuffer jitter_buffer_;
VCMTiming* timing_;
rtc::scoped_ptr<EventWrapper> render_wait_event_;
int max_video_delay_ms_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_
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