110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
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/*
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* Copyright (c) 2012 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_VIDEO_VIDEO_STREAM_DECODER_H_
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#define WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_
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#include <list>
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#include <map>
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#include <memory>
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#include <vector>
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#include "webrtc/base/criticalsection.h"
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#include "webrtc/base/platform_thread.h"
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#include "webrtc/base/scoped_ref_ptr.h"
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#include "webrtc/media/base/videosinkinterface.h"
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#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
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#include "webrtc/modules/video_coding/include/video_coding_defines.h"
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#include "webrtc/typedefs.h"
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#include "webrtc/video/vie_sync_module.h"
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namespace webrtc {
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class CallStatsObserver;
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class ChannelStatsObserver;
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class Config;
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class EncodedImageCallback;
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class I420FrameCallback;
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class ReceiveStatisticsProxy;
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class VideoRenderCallback;
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class VoEVideoSync;
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namespace vcm {
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class VideoReceiver;
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} // namespace vcm
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enum StreamType {
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kViEStreamTypeNormal = 0, // Normal media stream
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kViEStreamTypeRtx = 1 // Retransmission media stream
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};
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class VideoStreamDecoder : public VCMReceiveCallback,
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public VCMReceiveStatisticsCallback,
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public VCMDecoderTimingCallback,
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public CallStatsObserver {
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public:
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friend class ChannelStatsObserver;
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VideoStreamDecoder(vcm::VideoReceiver* video_receiver,
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VCMFrameTypeCallback* vcm_frame_type_callback,
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VCMPacketRequestCallback* vcm_packet_request_callback,
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bool enable_nack,
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bool enable_fec,
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ReceiveStatisticsProxy* receive_statistics_proxy,
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rtc::VideoSinkInterface<VideoFrame>* incoming_video_stream,
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I420FrameCallback* pre_render_callback);
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~VideoStreamDecoder();
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// Implements VCMReceiveCallback.
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int32_t FrameToRender(VideoFrame& video_frame) override; // NOLINT
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int32_t ReceivedDecodedReferenceFrame(const uint64_t picture_id) override;
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void OnIncomingPayloadType(int payload_type) override;
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void OnDecoderImplementationName(const char* implementation_name) override;
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// Implements VCMReceiveStatisticsCallback.
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void OnReceiveRatesUpdated(uint32_t bit_rate, uint32_t frame_rate) override;
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void OnDiscardedPacketsUpdated(int discarded_packets) override;
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void OnFrameCountsUpdated(const FrameCounts& frame_counts) override;
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// Implements VCMDecoderTimingCallback.
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void OnDecoderTiming(int decode_ms,
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int max_decode_ms,
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int current_delay_ms,
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int target_delay_ms,
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int jitter_buffer_ms,
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int min_playout_delay_ms,
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int render_delay_ms) override;
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void RegisterReceiveStatisticsProxy(
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ReceiveStatisticsProxy* receive_statistics_proxy);
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// Implements StatsObserver.
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void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override;
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private:
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// Used for all registered callbacks except rendering.
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rtc::CriticalSection crit_;
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vcm::VideoReceiver* const video_receiver_;
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ReceiveStatisticsProxy* const receive_stats_callback_;
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rtc::VideoSinkInterface<VideoFrame>* const incoming_video_stream_;
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// TODO(tommi): This callback is basically the same thing as the one above.
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// We shouldn't need to support both.
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I420FrameCallback* const pre_render_callback_;
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int64_t last_rtt_ms_ GUARDED_BY(crit_);
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};
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_VIDEO_STREAM_DECODER_H_
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