b4a1ae5299
This CL duplicates all the histograms in SendStatisticsProxy. Might be overkill, but we don't know which stats will be interesting and it makes the change easier. BUG= Review URL: https://codereview.webrtc.org/1433393002 Cr-Commit-Position: refs/heads/master@{#10885}
418 lines
14 KiB
C++
418 lines
14 KiB
C++
/*
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* Copyright (c) 2013 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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#include "webrtc/video/send_statistics_proxy.h"
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#include <algorithm>
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#include <cmath>
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#include <map>
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#include "webrtc/base/checks.h"
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#include "webrtc/base/logging.h"
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#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
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#include "webrtc/system_wrappers/include/metrics.h"
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namespace webrtc {
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namespace {
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// Used by histograms. Values of entries should not be changed.
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enum HistogramCodecType {
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kVideoUnknown = 0,
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kVideoVp8 = 1,
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kVideoVp9 = 2,
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kVideoH264 = 3,
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kVideoMax = 64,
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};
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const char* GetUmaPrefix(VideoEncoderConfig::ContentType content_type) {
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switch (content_type) {
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case VideoEncoderConfig::ContentType::kRealtimeVideo:
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return "WebRTC.Video.";
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case VideoEncoderConfig::ContentType::kScreen:
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return "WebRTC.Video.Screenshare.";
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}
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RTC_NOTREACHED();
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return nullptr;
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}
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HistogramCodecType PayloadNameToHistogramCodecType(
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const std::string& payload_name) {
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if (payload_name == "VP8") {
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return kVideoVp8;
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} else if (payload_name == "VP9") {
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return kVideoVp9;
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} else if (payload_name == "H264") {
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return kVideoH264;
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} else {
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return kVideoUnknown;
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}
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}
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void UpdateCodecTypeHistogram(const std::string& payload_name) {
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RTC_HISTOGRAM_ENUMERATION("WebRTC.Video.Encoder.CodecType",
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PayloadNameToHistogramCodecType(payload_name), kVideoMax);
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}
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} // namespace
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const int SendStatisticsProxy::kStatsTimeoutMs = 5000;
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SendStatisticsProxy::SendStatisticsProxy(
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Clock* clock,
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const VideoSendStream::Config& config,
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VideoEncoderConfig::ContentType content_type)
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: clock_(clock),
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config_(config),
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content_type_(content_type),
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last_sent_frame_timestamp_(0),
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uma_container_(new UmaSamplesContainer(GetUmaPrefix(content_type_))) {
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UpdateCodecTypeHistogram(config_.encoder_settings.payload_name);
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}
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SendStatisticsProxy::~SendStatisticsProxy() {}
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SendStatisticsProxy::UmaSamplesContainer::UmaSamplesContainer(
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const char* prefix)
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: uma_prefix_(prefix),
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max_sent_width_per_timestamp_(0),
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max_sent_height_per_timestamp_(0),
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input_frame_rate_tracker_(100u, 10u),
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sent_frame_rate_tracker_(100u, 10u) {}
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SendStatisticsProxy::UmaSamplesContainer::~UmaSamplesContainer() {
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UpdateHistograms();
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}
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void SendStatisticsProxy::UmaSamplesContainer::UpdateHistograms() {
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const int kMinRequiredSamples = 200;
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int in_width = input_width_counter_.Avg(kMinRequiredSamples);
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int in_height = input_height_counter_.Avg(kMinRequiredSamples);
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int in_fps = round(input_frame_rate_tracker_.ComputeTotalRate());
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if (in_width != -1) {
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RTC_HISTOGRAM_COUNTS_10000(uma_prefix_ + "InputWidthInPixels", in_width);
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RTC_HISTOGRAM_COUNTS_10000(uma_prefix_ + "InputHeightInPixels", in_height);
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RTC_HISTOGRAM_COUNTS_100(uma_prefix_ + "InputFramesPerSecond", in_fps);
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}
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int sent_width = sent_width_counter_.Avg(kMinRequiredSamples);
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int sent_height = sent_height_counter_.Avg(kMinRequiredSamples);
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int sent_fps = round(sent_frame_rate_tracker_.ComputeTotalRate());
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if (sent_width != -1) {
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RTC_HISTOGRAM_COUNTS_10000(uma_prefix_ + "SentWidthInPixels", sent_width);
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RTC_HISTOGRAM_COUNTS_10000(uma_prefix_ + "SentHeightInPixels", sent_height);
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RTC_HISTOGRAM_COUNTS_100(uma_prefix_ + "SentFramesPerSecond", sent_fps);
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}
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int encode_ms = encode_time_counter_.Avg(kMinRequiredSamples);
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if (encode_ms != -1)
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RTC_HISTOGRAM_COUNTS_1000(uma_prefix_ + "EncodeTimeInMs", encode_ms);
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int key_frames_permille = key_frame_counter_.Permille(kMinRequiredSamples);
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if (key_frames_permille != -1) {
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RTC_HISTOGRAM_COUNTS_1000(uma_prefix_ + "KeyFramesSentInPermille",
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key_frames_permille);
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}
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int quality_limited =
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quality_limited_frame_counter_.Percent(kMinRequiredSamples);
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if (quality_limited != -1) {
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RTC_HISTOGRAM_PERCENTAGE(uma_prefix_ + "QualityLimitedResolutionInPercent",
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quality_limited);
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}
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int downscales = quality_downscales_counter_.Avg(kMinRequiredSamples);
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if (downscales != -1) {
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RTC_HISTOGRAM_ENUMERATION(
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uma_prefix_ + "QualityLimitedResolutionDownscales", downscales, 20);
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}
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int bw_limited = bw_limited_frame_counter_.Percent(kMinRequiredSamples);
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if (bw_limited != -1) {
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RTC_HISTOGRAM_PERCENTAGE(
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uma_prefix_ + "BandwidthLimitedResolutionInPercent", bw_limited);
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}
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int num_disabled = bw_resolutions_disabled_counter_.Avg(kMinRequiredSamples);
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if (num_disabled != -1) {
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RTC_HISTOGRAM_ENUMERATION(
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uma_prefix_ + "BandwidthLimitedResolutionsDisabled", num_disabled, 10);
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}
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int delay_ms = delay_counter_.Avg(kMinRequiredSamples);
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if (delay_ms != -1)
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RTC_HISTOGRAM_COUNTS_100000(uma_prefix_ + "SendSideDelayInMs", delay_ms);
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int max_delay_ms = max_delay_counter_.Avg(kMinRequiredSamples);
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if (max_delay_ms != -1) {
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RTC_HISTOGRAM_COUNTS_100000(uma_prefix_ + "SendSideDelayMaxInMs",
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max_delay_ms);
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}
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}
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void SendStatisticsProxy::SetContentType(
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VideoEncoderConfig::ContentType content_type) {
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rtc::CritScope lock(&crit_);
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if (content_type_ != content_type) {
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uma_container_->UpdateHistograms();
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uma_container_.reset(new UmaSamplesContainer(GetUmaPrefix(content_type)));
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content_type_ = content_type;
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}
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}
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void SendStatisticsProxy::OnOutgoingRate(uint32_t framerate, uint32_t bitrate) {
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rtc::CritScope lock(&crit_);
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stats_.encode_frame_rate = framerate;
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stats_.media_bitrate_bps = bitrate;
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}
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void SendStatisticsProxy::CpuOveruseMetricsUpdated(
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const CpuOveruseMetrics& metrics) {
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rtc::CritScope lock(&crit_);
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// TODO(asapersson): Change to use OnEncodedFrame() for avg_encode_time_ms.
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stats_.avg_encode_time_ms = metrics.avg_encode_time_ms;
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stats_.encode_usage_percent = metrics.encode_usage_percent;
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}
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void SendStatisticsProxy::OnSuspendChange(bool is_suspended) {
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rtc::CritScope lock(&crit_);
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stats_.suspended = is_suspended;
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}
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VideoSendStream::Stats SendStatisticsProxy::GetStats() {
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rtc::CritScope lock(&crit_);
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PurgeOldStats();
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stats_.input_frame_rate =
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round(uma_container_->input_frame_rate_tracker_.ComputeRate());
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return stats_;
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}
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void SendStatisticsProxy::PurgeOldStats() {
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int64_t old_stats_ms = clock_->TimeInMilliseconds() - kStatsTimeoutMs;
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for (std::map<uint32_t, VideoSendStream::StreamStats>::iterator it =
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stats_.substreams.begin();
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it != stats_.substreams.end(); ++it) {
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uint32_t ssrc = it->first;
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if (update_times_[ssrc].resolution_update_ms <= old_stats_ms) {
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it->second.width = 0;
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it->second.height = 0;
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}
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}
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}
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VideoSendStream::StreamStats* SendStatisticsProxy::GetStatsEntry(
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uint32_t ssrc) {
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std::map<uint32_t, VideoSendStream::StreamStats>::iterator it =
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stats_.substreams.find(ssrc);
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if (it != stats_.substreams.end())
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return &it->second;
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if (std::find(config_.rtp.ssrcs.begin(), config_.rtp.ssrcs.end(), ssrc) ==
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config_.rtp.ssrcs.end() &&
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std::find(config_.rtp.rtx.ssrcs.begin(),
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config_.rtp.rtx.ssrcs.end(),
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ssrc) == config_.rtp.rtx.ssrcs.end()) {
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return nullptr;
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}
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return &stats_.substreams[ssrc]; // Insert new entry and return ptr.
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}
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void SendStatisticsProxy::OnInactiveSsrc(uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->total_bitrate_bps = 0;
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stats->retransmit_bitrate_bps = 0;
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stats->height = 0;
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stats->width = 0;
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}
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void SendStatisticsProxy::OnSetRates(uint32_t bitrate_bps, int framerate) {
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rtc::CritScope lock(&crit_);
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stats_.target_media_bitrate_bps = bitrate_bps;
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}
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void SendStatisticsProxy::OnSendEncodedImage(
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const EncodedImage& encoded_image,
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const RTPVideoHeader* rtp_video_header) {
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size_t simulcast_idx =
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rtp_video_header != nullptr ? rtp_video_header->simulcastIdx : 0;
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if (simulcast_idx >= config_.rtp.ssrcs.size()) {
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LOG(LS_ERROR) << "Encoded image outside simulcast range (" << simulcast_idx
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<< " >= " << config_.rtp.ssrcs.size() << ").";
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return;
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}
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uint32_t ssrc = config_.rtp.ssrcs[simulcast_idx];
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->width = encoded_image._encodedWidth;
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stats->height = encoded_image._encodedHeight;
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update_times_[ssrc].resolution_update_ms = clock_->TimeInMilliseconds();
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uma_container_->key_frame_counter_.Add(encoded_image._frameType ==
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kVideoFrameKey);
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if (encoded_image.adapt_reason_.quality_resolution_downscales != -1) {
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bool downscaled =
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encoded_image.adapt_reason_.quality_resolution_downscales > 0;
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uma_container_->quality_limited_frame_counter_.Add(downscaled);
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if (downscaled) {
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uma_container_->quality_downscales_counter_.Add(
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encoded_image.adapt_reason_.quality_resolution_downscales);
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}
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}
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if (encoded_image.adapt_reason_.bw_resolutions_disabled != -1) {
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bool bw_limited = encoded_image.adapt_reason_.bw_resolutions_disabled > 0;
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uma_container_->bw_limited_frame_counter_.Add(bw_limited);
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if (bw_limited) {
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uma_container_->bw_resolutions_disabled_counter_.Add(
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encoded_image.adapt_reason_.bw_resolutions_disabled);
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}
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}
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// TODO(asapersson): This is incorrect if simulcast layers are encoded on
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// different threads and there is no guarantee that one frame of all layers
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// are encoded before the next start.
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if (last_sent_frame_timestamp_ > 0 &&
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encoded_image._timeStamp != last_sent_frame_timestamp_) {
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uma_container_->sent_frame_rate_tracker_.AddSamples(1);
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uma_container_->sent_width_counter_.Add(
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uma_container_->max_sent_width_per_timestamp_);
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uma_container_->sent_height_counter_.Add(
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uma_container_->max_sent_height_per_timestamp_);
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uma_container_->max_sent_width_per_timestamp_ = 0;
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uma_container_->max_sent_height_per_timestamp_ = 0;
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}
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last_sent_frame_timestamp_ = encoded_image._timeStamp;
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uma_container_->max_sent_width_per_timestamp_ =
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std::max(uma_container_->max_sent_width_per_timestamp_,
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static_cast<int>(encoded_image._encodedWidth));
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uma_container_->max_sent_height_per_timestamp_ =
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std::max(uma_container_->max_sent_height_per_timestamp_,
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static_cast<int>(encoded_image._encodedHeight));
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}
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void SendStatisticsProxy::OnIncomingFrame(int width, int height) {
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rtc::CritScope lock(&crit_);
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uma_container_->input_frame_rate_tracker_.AddSamples(1);
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uma_container_->input_width_counter_.Add(width);
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uma_container_->input_height_counter_.Add(height);
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}
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void SendStatisticsProxy::OnEncodedFrame(int encode_time_ms) {
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rtc::CritScope lock(&crit_);
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uma_container_->encode_time_counter_.Add(encode_time_ms);
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}
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void SendStatisticsProxy::RtcpPacketTypesCounterUpdated(
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uint32_t ssrc,
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const RtcpPacketTypeCounter& packet_counter) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->rtcp_packet_type_counts = packet_counter;
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}
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void SendStatisticsProxy::StatisticsUpdated(const RtcpStatistics& statistics,
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uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->rtcp_stats = statistics;
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}
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void SendStatisticsProxy::CNameChanged(const char* cname, uint32_t ssrc) {
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}
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void SendStatisticsProxy::DataCountersUpdated(
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const StreamDataCounters& counters,
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uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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RTC_DCHECK(stats != nullptr)
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<< "DataCountersUpdated reported for unknown ssrc: " << ssrc;
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stats->rtp_stats = counters;
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}
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void SendStatisticsProxy::Notify(const BitrateStatistics& total_stats,
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const BitrateStatistics& retransmit_stats,
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uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->total_bitrate_bps = total_stats.bitrate_bps;
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stats->retransmit_bitrate_bps = retransmit_stats.bitrate_bps;
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}
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void SendStatisticsProxy::FrameCountUpdated(const FrameCounts& frame_counts,
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uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->frame_counts = frame_counts;
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}
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void SendStatisticsProxy::SendSideDelayUpdated(int avg_delay_ms,
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int max_delay_ms,
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uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
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if (stats == nullptr)
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return;
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stats->avg_delay_ms = avg_delay_ms;
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stats->max_delay_ms = max_delay_ms;
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uma_container_->delay_counter_.Add(avg_delay_ms);
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uma_container_->max_delay_counter_.Add(max_delay_ms);
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}
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void SendStatisticsProxy::SampleCounter::Add(int sample) {
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sum += sample;
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++num_samples;
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}
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int SendStatisticsProxy::SampleCounter::Avg(int min_required_samples) const {
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if (num_samples < min_required_samples || num_samples == 0)
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return -1;
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return (sum + (num_samples / 2)) / num_samples;
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}
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void SendStatisticsProxy::BoolSampleCounter::Add(bool sample) {
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if (sample)
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++sum;
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++num_samples;
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}
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int SendStatisticsProxy::BoolSampleCounter::Percent(
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int min_required_samples) const {
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return Fraction(min_required_samples, 100.0f);
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}
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int SendStatisticsProxy::BoolSampleCounter::Permille(
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int min_required_samples) const {
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return Fraction(min_required_samples, 1000.0f);
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}
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int SendStatisticsProxy::BoolSampleCounter::Fraction(
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int min_required_samples, float multiplier) const {
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if (num_samples < min_required_samples || num_samples == 0)
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return -1;
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return static_cast<int>((sum * multiplier / num_samples) + 0.5f);
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}
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} // namespace webrtc
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