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/*
* 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_