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/*
* Copyright (c) 2013 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_SEND_STATISTICS_PROXY_H_
#define WEBRTC_VIDEO_SEND_STATISTICS_PROXY_H_
#include <string>
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/ratetracker.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/thread_annotations.h"
#include "webrtc/common_types.h"
#include "webrtc/modules/video_coding/codecs/interface/video_codec_interface.h"
#include "webrtc/modules/video_coding/main/interface/video_coding_defines.h"
#include "webrtc/system_wrappers/include/clock.h"
#include "webrtc/video_engine/overuse_frame_detector.h"
#include "webrtc/video_engine/vie_encoder.h"
#include "webrtc/video_send_stream.h"
namespace webrtc {
class SendStatisticsProxy : public CpuOveruseMetricsObserver,
public RtcpStatisticsCallback,
public RtcpPacketTypeCounterObserver,
public StreamDataCountersCallback,
public BitrateStatisticsObserver,
public FrameCountObserver,
public VideoEncoderRateObserver,
public SendSideDelayObserver {
public:
static const int kStatsTimeoutMs;
SendStatisticsProxy(Clock* clock, const VideoSendStream::Config& config);
virtual ~SendStatisticsProxy();
VideoSendStream::Stats GetStats();
virtual void OnSendEncodedImage(const EncodedImage& encoded_image,
const RTPVideoHeader* rtp_video_header);
// Used to update incoming frame rate.
void OnIncomingFrame(int width, int height);
// Used to update encode time of frames.
void OnEncodedFrame(int encode_time_ms);
// From VideoEncoderRateObserver.
void OnSetRates(uint32_t bitrate_bps, int framerate) override;
void OnOutgoingRate(uint32_t framerate, uint32_t bitrate);
void OnSuspendChange(bool is_suspended);
void OnInactiveSsrc(uint32_t ssrc);
protected:
// From CpuOveruseMetricsObserver.
void CpuOveruseMetricsUpdated(const CpuOveruseMetrics& metrics) override;
// From RtcpStatisticsCallback.
void StatisticsUpdated(const RtcpStatistics& statistics,
uint32_t ssrc) override;
void CNameChanged(const char* cname, uint32_t ssrc) override;
// From RtcpPacketTypeCounterObserver.
void RtcpPacketTypesCounterUpdated(
uint32_t ssrc,
const RtcpPacketTypeCounter& packet_counter) override;
// From StreamDataCountersCallback.
void DataCountersUpdated(const StreamDataCounters& counters,
uint32_t ssrc) override;
// From BitrateStatisticsObserver.
void Notify(const BitrateStatistics& total_stats,
const BitrateStatistics& retransmit_stats,
uint32_t ssrc) override;
// From FrameCountObserver.
void FrameCountUpdated(const FrameCounts& frame_counts,
uint32_t ssrc) override;
void SendSideDelayUpdated(int avg_delay_ms,
int max_delay_ms,
uint32_t ssrc) override;
private:
class SampleCounter {
public:
SampleCounter() : sum(0), num_samples(0) {}
~SampleCounter() {}
void Add(int sample);
int Avg(int min_required_samples) const;
private:
int sum;
int num_samples;
};
class BoolSampleCounter {
public:
BoolSampleCounter() : sum(0), num_samples(0) {}
~BoolSampleCounter() {}
void Add(bool sample);
int Percent(int min_required_samples) const;
int Permille(int min_required_samples) const;
private:
int Fraction(int min_required_samples, float multiplier) const;
int sum;
int num_samples;
};
struct StatsUpdateTimes {
StatsUpdateTimes() : resolution_update_ms(0) {}
int64_t resolution_update_ms;
int64_t bitrate_update_ms;
};
void PurgeOldStats() EXCLUSIVE_LOCKS_REQUIRED(crit_);
VideoSendStream::StreamStats* GetStatsEntry(uint32_t ssrc)
EXCLUSIVE_LOCKS_REQUIRED(crit_);
void UpdateHistograms() EXCLUSIVE_LOCKS_REQUIRED(crit_);
Clock* const clock_;
const VideoSendStream::Config config_;
mutable rtc::CriticalSection crit_;
VideoSendStream::Stats stats_ GUARDED_BY(crit_);
rtc::RateTracker input_frame_rate_tracker_ GUARDED_BY(crit_);
rtc::RateTracker sent_frame_rate_tracker_ GUARDED_BY(crit_);
uint32_t last_sent_frame_timestamp_ GUARDED_BY(crit_);
std::map<uint32_t, StatsUpdateTimes> update_times_ GUARDED_BY(crit_);
int max_sent_width_per_timestamp_ GUARDED_BY(crit_);
int max_sent_height_per_timestamp_ GUARDED_BY(crit_);
SampleCounter input_width_counter_ GUARDED_BY(crit_);
SampleCounter input_height_counter_ GUARDED_BY(crit_);
SampleCounter sent_width_counter_ GUARDED_BY(crit_);
SampleCounter sent_height_counter_ GUARDED_BY(crit_);
SampleCounter encode_time_counter_ GUARDED_BY(crit_);
BoolSampleCounter key_frame_counter_ GUARDED_BY(crit_);
BoolSampleCounter quality_limited_frame_counter_ GUARDED_BY(crit_);
SampleCounter quality_downscales_counter_ GUARDED_BY(crit_);
BoolSampleCounter bw_limited_frame_counter_ GUARDED_BY(crit_);
SampleCounter bw_resolutions_disabled_counter_ GUARDED_BY(crit_);
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_SEND_STATISTICS_PROXY_H_
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