| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/remoting/metrics.h" |
| |
| #include "base/metrics/histogram_functions.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "media/base/sample_rates.h" |
| |
| namespace media { |
| namespace remoting { |
| |
| namespace { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // BEGIN: These were all borrowed from src/media/filters/ffmpeg_demuxer.cc. |
| // TODO(miu): This code will be de-duped in a soon-upcoming change. |
| |
| // Some videos just want to watch the world burn, with a height of 0; cap the |
| // "infinite" aspect ratio resulting. |
| constexpr int kInfiniteRatio = 99999; |
| |
| // Common aspect ratios (multiplied by 100 and truncated) used for histogramming |
| // video sizes. These were taken on 20111103 from |
| // http://wikipedia.org/wiki/Aspect_ratio_(image)#Previous_and_currently_used_aspect_ratios |
| constexpr int kCommonAspectRatios100[] = { |
| 100, 115, 133, 137, 143, 150, 155, 160, 166, |
| 175, 177, 185, 200, 210, 220, 221, 235, 237, |
| 240, 255, 259, 266, 276, 293, 400, 1200, kInfiniteRatio, |
| }; |
| |
| // END: Code borrowed from src/media/filter/ffmpeg_demuxer.cc. |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // Buckets for video width histograms. |
| constexpr int kVideoWidthBuckets[] = { |
| 180, 240, 320, 480, 640, 720, 872, 940, 1280, |
| 1440, 1600, 1760, 1920, 2560, 3840, 7680, 16384, |
| }; |
| |
| } // namespace |
| |
| SessionMetricsRecorder::SessionMetricsRecorder() |
| : last_audio_codec_(kUnknownAudioCodec), |
| last_channel_layout_(CHANNEL_LAYOUT_NONE), |
| last_sample_rate_(0), |
| last_video_codec_(kUnknownVideoCodec), |
| last_video_profile_(VIDEO_CODEC_PROFILE_UNKNOWN), |
| remote_playback_is_disabled_(false) {} |
| |
| SessionMetricsRecorder::~SessionMetricsRecorder() = default; |
| |
| void SessionMetricsRecorder::WillStartSession(StartTrigger trigger) { |
| DCHECK(!start_trigger_); |
| start_trigger_ = trigger; |
| start_time_ = base::TimeTicks::Now(); |
| } |
| |
| void SessionMetricsRecorder::DidStartSession() { |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.SessionStartTrigger", |
| *start_trigger_, START_TRIGGER_MAX + 1); |
| if (last_audio_codec_ != kUnknownAudioCodec) |
| RecordAudioConfiguration(); |
| if (last_video_codec_ != kUnknownVideoCodec) |
| RecordVideoConfiguration(); |
| RecordTrackConfiguration(); |
| } |
| |
| void SessionMetricsRecorder::WillStopSession(StopTrigger trigger) { |
| if (!start_trigger_) |
| return; |
| |
| // Record what triggered the end of the session. |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.SessionStopTrigger", trigger, |
| STOP_TRIGGER_MAX + 1); |
| |
| // Record the session duration. |
| const base::TimeDelta session_duration = base::TimeTicks::Now() - start_time_; |
| UMA_HISTOGRAM_CUSTOM_TIMES("Media.Remoting.SessionDuration", session_duration, |
| base::TimeDelta::FromSeconds(15), |
| base::TimeDelta::FromHours(12), 50); |
| |
| if (session_duration <= base::TimeDelta::FromSeconds(15)) { |
| // Record the session duration in finer scale for short sessions |
| UMA_HISTOGRAM_CUSTOM_TIMES("Media.Remoting.ShortSessionDuration", |
| session_duration, |
| base::TimeDelta::FromSecondsD(0.1), |
| base::TimeDelta::FromSeconds(15), 60); |
| |
| if (session_duration <= base::TimeDelta::FromSecondsD(0.1)) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Media.Remoting.SessionStopTrigger.Duration0To100MilliSec", trigger, |
| STOP_TRIGGER_MAX + 1); |
| } else if (session_duration <= base::TimeDelta::FromSeconds(1)) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Media.Remoting.SessionStopTrigger.Duration100MilliSecTo1Sec", |
| trigger, STOP_TRIGGER_MAX + 1); |
| } else if (session_duration <= base::TimeDelta::FromSeconds(3)) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Media.Remoting.SessionStopTrigger.Duration1To3Sec", trigger, |
| STOP_TRIGGER_MAX + 1); |
| } else if (session_duration <= base::TimeDelta::FromSeconds(5)) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Media.Remoting.SessionStopTrigger.Duration3To5Sec", trigger, |
| STOP_TRIGGER_MAX + 1); |
| } else if (session_duration <= base::TimeDelta::FromSeconds(10)) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Media.Remoting.SessionStopTrigger.Duration5To10Sec", trigger, |
| STOP_TRIGGER_MAX + 1); |
| } else { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Media.Remoting.SessionStopTrigger.Duration10To15Sec", trigger, |
| STOP_TRIGGER_MAX + 1); |
| } |
| } |
| |
| // Reset |start_trigger_| since metrics recording of the current remoting |
| // session has now completed. |
| start_trigger_ = base::nullopt; |
| } |
| |
| void SessionMetricsRecorder::OnPipelineMetadataChanged( |
| const PipelineMetadata& metadata) { |
| if (metadata.has_audio && metadata.audio_decoder_config.IsValidConfig()) { |
| const auto& config = metadata.audio_decoder_config; |
| // While in a remoting session, record audio configuration changes. |
| const bool need_to_record_audio_configuration = |
| start_trigger_ && (config.codec() != last_audio_codec_ || |
| config.channel_layout() != last_channel_layout_ || |
| config.samples_per_second() != last_sample_rate_); |
| last_audio_codec_ = config.codec(); |
| last_channel_layout_ = config.channel_layout(); |
| last_sample_rate_ = config.samples_per_second(); |
| if (need_to_record_audio_configuration) |
| RecordAudioConfiguration(); |
| } else { |
| last_audio_codec_ = kUnknownAudioCodec; |
| last_channel_layout_ = CHANNEL_LAYOUT_NONE; |
| last_sample_rate_ = 0; |
| } |
| |
| if (metadata.has_video && metadata.video_decoder_config.IsValidConfig()) { |
| const auto& config = metadata.video_decoder_config; |
| // While in a remoting session, record video configuration changes. |
| const bool need_to_record_video_configuration = |
| start_trigger_ && (config.codec() != last_video_codec_ || |
| config.profile() != last_video_profile_ || |
| metadata.natural_size != last_natural_size_); |
| last_video_codec_ = config.codec(); |
| last_video_profile_ = config.profile(); |
| last_natural_size_ = metadata.natural_size; |
| if (need_to_record_video_configuration) |
| RecordVideoConfiguration(); |
| } else { |
| last_video_codec_ = kUnknownVideoCodec; |
| last_video_profile_ = VIDEO_CODEC_PROFILE_UNKNOWN; |
| last_natural_size_ = gfx::Size(); |
| } |
| |
| // While in a remoting session, record whether audio or video media streams |
| // started or ended. |
| if (start_trigger_) |
| RecordTrackConfiguration(); |
| } |
| |
| void SessionMetricsRecorder::OnRemotePlaybackDisabled(bool disabled) { |
| if (disabled == remote_playback_is_disabled_) |
| return; // De-dupe redundant notifications. |
| UMA_HISTOGRAM_BOOLEAN("Media.Remoting.AllowedByPage", !disabled); |
| remote_playback_is_disabled_ = disabled; |
| } |
| |
| void SessionMetricsRecorder::RecordAudioConfiguration() { |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.AudioCodec", last_audio_codec_, |
| kAudioCodecMax + 1); |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.AudioChannelLayout", |
| last_channel_layout_, CHANNEL_LAYOUT_MAX + 1); |
| AudioSampleRate asr; |
| if (ToAudioSampleRate(last_sample_rate_, &asr)) { |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.AudioSamplesPerSecond", asr, |
| kAudioSampleRateMax + 1); |
| } else { |
| UMA_HISTOGRAM_COUNTS_1M("Media.Remoting.AudioSamplesPerSecondUnexpected", |
| last_sample_rate_); |
| } |
| } |
| |
| void SessionMetricsRecorder::RecordVideoConfiguration() { |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.VideoCodec", last_video_codec_, |
| kVideoCodecMax + 1); |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.VideoCodecProfile", |
| last_video_profile_, VIDEO_CODEC_PROFILE_MAX + 1); |
| UMA_HISTOGRAM_CUSTOM_ENUMERATION( |
| "Media.Remoting.VideoNaturalWidth", last_natural_size_.width(), |
| base::CustomHistogram::ArrayToCustomRanges( |
| kVideoWidthBuckets, arraysize(kVideoWidthBuckets))); |
| // Intentionally use integer division to truncate the result. |
| const int aspect_ratio_100 = |
| last_natural_size_.height() |
| ? (last_natural_size_.width() * 100) / last_natural_size_.height() |
| : kInfiniteRatio; |
| UMA_HISTOGRAM_CUSTOM_ENUMERATION( |
| "Media.Remoting.VideoAspectRatio", aspect_ratio_100, |
| base::CustomHistogram::ArrayToCustomRanges( |
| kCommonAspectRatios100, arraysize(kCommonAspectRatios100))); |
| } |
| |
| void SessionMetricsRecorder::RecordTrackConfiguration() { |
| TrackConfiguration config = NEITHER_AUDIO_NOR_VIDEO; |
| if (last_audio_codec_ != kUnknownAudioCodec) |
| config = AUDIO_ONLY; |
| if (last_video_codec_ != kUnknownVideoCodec) { |
| if (config == AUDIO_ONLY) |
| config = AUDIO_AND_VIDEO; |
| else |
| config = VIDEO_ONLY; |
| } |
| UMA_HISTOGRAM_ENUMERATION("Media.Remoting.TrackConfiguration", config, |
| TRACK_CONFIGURATION_MAX + 1); |
| } |
| |
| RendererMetricsRecorder::RendererMetricsRecorder() |
| : start_time_(base::TimeTicks::Now()), did_record_first_playout_(false) {} |
| |
| RendererMetricsRecorder::~RendererMetricsRecorder() = default; |
| |
| void RendererMetricsRecorder::OnRendererInitialized() { |
| const base::TimeDelta elapsed_since_start = |
| base::TimeTicks::Now() - start_time_; |
| UMA_HISTOGRAM_CUSTOM_TIMES("Media.Remoting.TimeUntilRemoteInitialized", |
| elapsed_since_start, |
| base::TimeDelta::FromMilliseconds(10), |
| base::TimeDelta::FromSeconds(30), 50); |
| } |
| |
| void RendererMetricsRecorder::OnEvidenceOfPlayoutAtReceiver() { |
| if (did_record_first_playout_) |
| return; |
| const base::TimeDelta elapsed_since_start = |
| base::TimeTicks::Now() - start_time_; |
| UMA_HISTOGRAM_CUSTOM_TIMES("Media.Remoting.TimeUntilFirstPlayout", |
| elapsed_since_start, |
| base::TimeDelta::FromMilliseconds(10), |
| base::TimeDelta::FromSeconds(30), 50); |
| did_record_first_playout_ = true; |
| } |
| |
| void RendererMetricsRecorder::OnAudioRateEstimate(int kilobits_per_second) { |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Media.Remoting.AudioBitrate", |
| kilobits_per_second, 1, 1024, 50); |
| } |
| |
| void RendererMetricsRecorder::OnVideoRateEstimate(int kilobits_per_second) { |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Media.Remoting.VideoBitrate", |
| kilobits_per_second, 1, 16 * 1024, 50); |
| } |
| |
| } // namespace remoting |
| } // namespace media |
