| /* |
| * Copyright (c) 2012 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_VIDEO_VIDEO_STREAM_DECODER_H_ |
| #define WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_ |
| |
| #include <list> |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include "webrtc/media/base/videosinkinterface.h" |
| #include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h" |
| #include "webrtc/modules/video_coding/include/video_coding_defines.h" |
| #include "webrtc/rtc_base/criticalsection.h" |
| #include "webrtc/rtc_base/platform_thread.h" |
| #include "webrtc/rtc_base/scoped_ref_ptr.h" |
| #include "webrtc/typedefs.h" |
| |
| namespace webrtc { |
| |
| class CallStatsObserver; |
| class ChannelStatsObserver; |
| class EncodedImageCallback; |
| class ReceiveStatisticsProxy; |
| class VideoRenderCallback; |
| |
| namespace vcm { |
| class VideoReceiver; |
| } // namespace vcm |
| |
| enum StreamType { |
| kViEStreamTypeNormal = 0, // Normal media stream |
| kViEStreamTypeRtx = 1 // Retransmission media stream |
| }; |
| |
| class VideoStreamDecoder : public VCMReceiveCallback, |
| public VCMReceiveStatisticsCallback, |
| public CallStatsObserver { |
| public: |
| friend class ChannelStatsObserver; |
| |
| VideoStreamDecoder( |
| vcm::VideoReceiver* video_receiver, |
| VCMFrameTypeCallback* vcm_frame_type_callback, |
| VCMPacketRequestCallback* vcm_packet_request_callback, |
| bool enable_nack, |
| bool enable_fec, |
| ReceiveStatisticsProxy* receive_statistics_proxy, |
| rtc::VideoSinkInterface<VideoFrame>* incoming_video_stream); |
| ~VideoStreamDecoder(); |
| |
| // Implements VCMReceiveCallback. |
| int32_t FrameToRender(VideoFrame& video_frame, |
| rtc::Optional<uint8_t> qp, |
| VideoContentType content_type) override; |
| int32_t ReceivedDecodedReferenceFrame(const uint64_t picture_id) override; |
| void OnIncomingPayloadType(int payload_type) override; |
| void OnDecoderImplementationName(const char* implementation_name) override; |
| |
| // Implements VCMReceiveStatisticsCallback. |
| void OnReceiveRatesUpdated(uint32_t bit_rate, uint32_t frame_rate) override; |
| void OnDiscardedPacketsUpdated(int discarded_packets) override; |
| void OnFrameCountsUpdated(const FrameCounts& frame_counts) override; |
| void OnCompleteFrame(bool is_keyframe, |
| size_t size_bytes, |
| VideoContentType content_type) override; |
| void OnFrameBufferTimingsUpdated(int decode_ms, |
| int max_decode_ms, |
| int current_delay_ms, |
| int target_delay_ms, |
| int jitter_buffer_ms, |
| int min_playout_delay_ms, |
| int render_delay_ms) override; |
| |
| void OnTimingFrameInfoUpdated(const TimingFrameInfo& info) override; |
| |
| void RegisterReceiveStatisticsProxy( |
| ReceiveStatisticsProxy* receive_statistics_proxy); |
| |
| // Implements StatsObserver. |
| void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override; |
| |
| private: |
| // Used for all registered callbacks except rendering. |
| rtc::CriticalSection crit_; |
| |
| vcm::VideoReceiver* const video_receiver_; |
| |
| ReceiveStatisticsProxy* const receive_stats_callback_; |
| rtc::VideoSinkInterface<VideoFrame>* const incoming_video_stream_; |
| |
| int64_t last_rtt_ms_ GUARDED_BY(crit_); |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_ |