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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/media/media_stream_track_metrics_host.h"
#include "base/metrics/histogram_macros.h"
// We use a histogram with a maximum bucket of 16 hours to infinity
// for track durations.
#define UMA_HISTOGRAM_TIMES_16H(name, sample) \
UMA_HISTOGRAM_CUSTOM_TIMES(name, sample, base::Milliseconds(100), \
base::Hours(16), 50);
namespace content {
MediaStreamTrackMetricsHost::MediaStreamTrackMetricsHost() {}
MediaStreamTrackMetricsHost::~MediaStreamTrackMetricsHost() {
// Our render process has exited. We won't receive any more IPC
// messages from it. Assume all tracks ended now.
for (auto it = tracks_.begin(); it != tracks_.end(); ++it) {
TrackInfo& info = it->second;
ReportDuration(info);
}
tracks_.clear();
}
void MediaStreamTrackMetricsHost::BindReceiver(
mojo::PendingReceiver<blink::mojom::MediaStreamTrackMetricsHost> receiver) {
receivers_.Add(this, std::move(receiver));
}
void MediaStreamTrackMetricsHost::AddTrack(uint64_t id,
bool is_audio,
bool is_remote) {
if (tracks_.find(id) != tracks_.end())
return;
TrackInfo info = {is_audio, is_remote, base::TimeTicks::Now()};
tracks_[id] = info;
}
void MediaStreamTrackMetricsHost::RemoveTrack(uint64_t id) {
if (tracks_.find(id) == tracks_.end())
return;
TrackInfo& info = tracks_[id];
ReportDuration(info);
tracks_.erase(id);
}
void MediaStreamTrackMetricsHost::ReportDuration(const TrackInfo& info) {
base::TimeDelta duration = base::TimeTicks::Now() - info.timestamp;
if (info.is_remote) {
if (info.is_audio) {
DVLOG(3) << "WebRTC.ReceivedAudioTrackDuration: " << duration.InSeconds();
UMA_HISTOGRAM_TIMES_16H("WebRTC.ReceivedAudioTrackDuration", duration);
} else {
DVLOG(3) << "WebRTC.ReceivedVideoTrackDuration: " << duration.InSeconds();
UMA_HISTOGRAM_TIMES_16H("WebRTC.ReceivedVideoTrackDuration", duration);
}
} else {
if (info.is_audio) {
DVLOG(3) << "WebRTC.SentAudioTrackDuration: " << duration.InSeconds();
UMA_HISTOGRAM_TIMES_16H("WebRTC.SentAudioTrackDuration", duration);
} else {
DVLOG(3) << "WebRTC.SentVideoTrackDuration: " << duration.InSeconds();
UMA_HISTOGRAM_TIMES_16H("WebRTC.SentVideoTrackDuration", duration);
}
}
}
} // namespace content
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