5570769210
R=stefan@webrtc.org BUG=1667 Review URL: https://webrtc-codereview.appspot.com/32899004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7965 4adac7df-926f-26a2-2b94-8c16560cd09d
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_
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#define WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_
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#include "webrtc/modules/video_coding/main/source/jitter_buffer.h"
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#include "webrtc/modules/video_coding/main/source/packet.h"
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#include "webrtc/modules/video_coding/main/source/timing.h"
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#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
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#include "webrtc/modules/video_coding/main/interface/video_coding.h"
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#include "webrtc/modules/video_coding/main/interface/video_coding_defines.h"
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namespace webrtc {
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class Clock;
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class VCMEncodedFrame;
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enum VCMNackStatus {
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kNackOk,
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kNackKeyFrameRequest
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};
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enum VCMReceiverState {
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kReceiving,
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kPassive,
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kWaitForPrimaryDecode
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};
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class VCMReceiver {
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public:
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VCMReceiver(VCMTiming* timing,
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Clock* clock,
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EventFactory* event_factory,
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bool master);
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~VCMReceiver();
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void Reset();
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int32_t Initialize();
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void UpdateRtt(uint32_t rtt);
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int32_t InsertPacket(const VCMPacket& packet,
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uint16_t frame_width,
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uint16_t frame_height);
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VCMEncodedFrame* FrameForDecoding(uint16_t max_wait_time_ms,
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int64_t& next_render_time_ms,
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bool render_timing = true);
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void ReleaseFrame(VCMEncodedFrame* frame);
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void ReceiveStatistics(uint32_t* bitrate, uint32_t* framerate);
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uint32_t DiscardedPackets() const;
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// NACK.
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void SetNackMode(VCMNackMode nackMode,
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int low_rtt_nack_threshold_ms,
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int high_rtt_nack_threshold_ms);
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void SetNackSettings(size_t max_nack_list_size,
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int max_packet_age_to_nack,
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int max_incomplete_time_ms);
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VCMNackMode NackMode() const;
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VCMNackStatus NackList(uint16_t* nackList, uint16_t size,
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uint16_t* nack_list_length);
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VCMReceiverState State() const;
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// Receiver video delay.
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int SetMinReceiverDelay(int desired_delay_ms);
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// Decoding with errors.
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void SetDecodeErrorMode(VCMDecodeErrorMode decode_error_mode);
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VCMDecodeErrorMode DecodeErrorMode() const;
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// Returns size in time (milliseconds) of complete continuous frames in the
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// jitter buffer. The render time is estimated based on the render delay at
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// the time this function is called.
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int RenderBufferSizeMs();
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void RegisterStatsCallback(VCMReceiveStatisticsCallback* callback);
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private:
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static int32_t GenerateReceiverId();
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CriticalSectionWrapper* crit_sect_;
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Clock* clock_;
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VCMJitterBuffer jitter_buffer_;
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VCMTiming* timing_;
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scoped_ptr<EventWrapper> render_wait_event_;
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VCMReceiverState state_;
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int max_video_delay_ms_;
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static int32_t receiver_id_counter_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_
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