| /* |
| * 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/interface/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; |
| |
| enum VCMNackStatus { |
| kNackOk, |
| kNackKeyFrameRequest |
| }; |
| |
| enum VCMReceiverState { |
| kReceiving, |
| kPassive, |
| kWaitForPrimaryDecode |
| }; |
| |
| class VCMReceiver { |
| public: |
| VCMReceiver(VCMTiming* timing, |
| Clock* clock, |
| EventFactory* event_factory, |
| bool master); |
| ~VCMReceiver(); |
| |
| void Reset(); |
| int32_t Initialize(); |
| void UpdateRtt(uint32_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, |
| int low_rtt_nack_threshold_ms, |
| int 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; |
| VCMNackStatus NackList(uint16_t* nackList, uint16_t size, |
| uint16_t* nack_list_length); |
| VCMReceiverState State() const; |
| |
| // 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 RegisterFrameCountObserver(FrameCountObserver* frame_count_observer); |
| |
| private: |
| static int32_t GenerateReceiverId(); |
| |
| CriticalSectionWrapper* crit_sect_; |
| Clock* clock_; |
| VCMJitterBuffer jitter_buffer_; |
| VCMTiming* timing_; |
| scoped_ptr<EventWrapper> render_wait_event_; |
| VCMReceiverState state_; |
| int max_video_delay_ms_; |
| |
| static int32_t receiver_id_counter_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_RECEIVER_H_ |