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// 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) {}
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_ = absl::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::RecordVideoPixelRateSupport(
PixelRateSupport support) {
if (did_record_pixel_rate_support_) {
return;
}
did_record_pixel_rate_support_ = true;
base::UmaHistogramEnumeration("Media.Remoting.VideoPixelRateSupport",
support);
}
void SessionMetricsRecorder::RecordCompatibility(
RemotingCompatibility compatibility) {
if (did_record_compatibility_) {
return;
}
did_record_compatibility_ = true;
base::UmaHistogramEnumeration("Media.Remoting.Compatibility", compatibility);
}
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::ArrayToCustomEnumRanges(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::ArrayToCustomEnumRanges(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()) {}
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
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