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Telemetry: Remove stubs and related code

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This commit is contained in:
adeshkp 2019-01-12 06:20:31 -05:00 • committed by Roy Tam
commit aea50f182f
134 changed files with 68 additions and 3422 deletions
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227
dom/html/HTMLMediaElement.cpp
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@ -1037,14 +1037,6 @@ void HTMLMediaElement::ShutdownDecoder()
void HTMLMediaElement::AbortExistingLoads()
{
#ifdef MOZ_EME
// If there is no existing decoder then we don't have anything to
// report. This prevents reporting the initial load from an
// empty video element as a failed EME load.
if (mDecoder) {
ReportEMETelemetry();
}
#endif
// Abort any already-running instance of the resource selection algorithm.
mLoadWaitStatus = NOT_WAITING;
@ -1900,7 +1892,6 @@ NS_IMETHODIMP HTMLMediaElement::GetCurrentTime(double* aCurrentTime)
void
HTMLMediaElement::FastSeek(double aTime, ErrorResult& aRv)
{
LOG(LogLevel::Debug, ("Reporting telemetry VIDEO_FASTSEEK_USED"));
RefPtr<Promise> tobeDropped = Seek(aTime, SeekTarget::PrevSyncPoint, aRv);
}
@ -3648,191 +3639,6 @@ nsresult HTMLMediaElement::BindToTree(nsIDocument* aDocument, nsIContent* aParen
return rv;
}
/* static */
void HTMLMediaElement::VideoDecodeSuspendTimerCallback(nsITimer* aTimer, void* aClosure)
{
MOZ_ASSERT(NS_IsMainThread());
auto element = static_cast<HTMLMediaElement*>(aClosure);
element->mVideoDecodeSuspendTime.Start();
element->mVideoDecodeSuspendTimer = nullptr;
}
void HTMLMediaElement::HiddenVideoStart()
{
MOZ_ASSERT(NS_IsMainThread());
mHiddenPlayTime.Start();
if (mVideoDecodeSuspendTimer) {
// Already started, just keep it running.
return;
}
mVideoDecodeSuspendTimer = do_CreateInstance("@mozilla.org/timer;1");
mVideoDecodeSuspendTimer->InitWithNamedFuncCallback(
VideoDecodeSuspendTimerCallback, this,
MediaPrefs::MDSMSuspendBackgroundVideoDelay(), nsITimer::TYPE_ONE_SHOT,
"HTMLMediaElement::VideoDecodeSuspendTimerCallback");
}
void HTMLMediaElement::HiddenVideoStop()
{
MOZ_ASSERT(NS_IsMainThread());
mHiddenPlayTime.Pause();
mVideoDecodeSuspendTime.Pause();
if (!mVideoDecodeSuspendTimer) {
return;
}
mVideoDecodeSuspendTimer->Cancel();
mVideoDecodeSuspendTimer = nullptr;
}
#ifdef MOZ_EME
void
HTMLMediaElement::ReportEMETelemetry()
{
// Report telemetry for EME videos when a page is unloaded.
NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
if (mIsEncrypted && Preferences::GetBool("media.eme.enabled")) {
LOG(LogLevel::Debug, ("%p VIDEO_EME_PLAY_SUCCESS = %s",
this, mLoadedDataFired ? "true" : "false"));
}
}
#endif
void
HTMLMediaElement::ReportTelemetry()
{
// Report telemetry for videos when a page is unloaded. We
// want to know data on what state the video is at when
// the user has exited.
enum UnloadedState {
ENDED = 0,
PAUSED = 1,
STALLED = 2,
SEEKING = 3,
OTHER = 4
};
UnloadedState state = OTHER;
if (Seeking()) {
state = SEEKING;
}
else if (Ended()) {
state = ENDED;
}
else if (Paused()) {
state = PAUSED;
}
else {
// For buffering we check if the current playback position is at the end
// of a buffered range, within a margin of error. We also consider to be
// buffering if the last frame status was buffering and the ready state is
// HAVE_CURRENT_DATA to account for times where we are in a buffering state
// regardless of what actual data we have buffered.
bool stalled = false;
RefPtr<TimeRanges> ranges = Buffered();
const double errorMargin = 0.05;
double t = CurrentTime();
TimeRanges::index_type index = ranges->Find(t, errorMargin);
ErrorResult ignore;
stalled = index != TimeRanges::NoIndex &&
(ranges->End(index, ignore) - t) < errorMargin;
stalled |= mDecoder && NextFrameStatus() == MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE_BUFFERING &&
mReadyState == HTMLMediaElement::HAVE_CURRENT_DATA;
if (stalled) {
state = STALLED;
}
}
LOG(LogLevel::Debug, ("%p VIDEO_UNLOAD_STATE = %d", this, state));
FrameStatisticsData data;
if (HTMLVideoElement* vid = HTMLVideoElement::FromContentOrNull(this)) {
FrameStatistics* stats = vid->GetFrameStatistics();
if (stats) {
data = stats->GetFrameStatisticsData();
if (data.mParsedFrames) {
MOZ_ASSERT(data.mDroppedFrames <= data.mParsedFrames);
// Dropped frames <= total frames, so 'percentage' cannot be higher than
// 100 and therefore can fit in a uint32_t (that Telemetry takes).
uint32_t percentage = 100 * data.mDroppedFrames / data.mParsedFrames;
LOG(LogLevel::Debug,
("Reporting telemetry DROPPED_FRAMES_IN_VIDEO_PLAYBACK"));
}
}
}
if (mMediaInfo.HasVideo() &&
mMediaInfo.mVideo.mImage.height > 0) {
// We have a valid video.
double playTime = mPlayTime.Total();
double hiddenPlayTime = mHiddenPlayTime.Total();
double videoDecodeSuspendTime = mVideoDecodeSuspendTime.Total();
LOG(LogLevel::Debug, ("%p VIDEO_PLAY_TIME_MS = %f", this, playTime));
LOG(LogLevel::Debug, ("%p VIDEO_HIDDEN_PLAY_TIME_MS = %f", this, hiddenPlayTime));
if (playTime > 0.0) {
// We have actually played something -> Report some valid-video telemetry.
// Keyed by audio+video or video alone, and by a resolution range.
nsCString key(mMediaInfo.HasAudio() ? "AV," : "V,");
static const struct { int32_t mH; const char* mRes; } sResolutions[] = {
{ 240, "0<h<=240" },
{ 480, "240<h<=480" },
{ 576, "480<h<=576" },
{ 720, "576<h<=720" },
{ 1080, "720<h<=1080" },
{ 2160, "1080<h<=2160" }
};
const char* resolution = "h>2160";
int32_t height = mMediaInfo.mVideo.mImage.height;
for (const auto& res : sResolutions) {
if (height <= res.mH) {
resolution = res.mRes;
break;
}
}
key.AppendASCII(resolution);
uint32_t hiddenPercentage = uint32_t(hiddenPlayTime / playTime * 100.0 + 0.5);
LOG(LogLevel::Debug, ("%p VIDEO_HIDDEN_PLAY_TIME_PERCENTAGE = %u, keys: '%s' and 'All'",
this, hiddenPercentage, key.get()));
uint32_t videoDecodeSuspendPercentage =
uint32_t(videoDecodeSuspendTime / playTime * 100.0 + 0.5);
LOG(LogLevel::Debug, ("%p VIDEO_INFERRED_DECODE_SUSPEND_PERCENTAGE = %u, keys: '%s' and 'All'",
this, videoDecodeSuspendPercentage, key.get()));
if (data.mInterKeyframeCount != 0) {
uint32_t average_ms =
uint32_t(std::min<uint64_t>(double(data.mInterKeyframeSum_us)
/ double(data.mInterKeyframeCount)
/ 1000.0
+ 0.5,
UINT32_MAX));
LOG(LogLevel::Debug, ("%p VIDEO_INTER_KEYFRAME_AVERAGE_MS = %u, keys: '%s' and 'All'",
this, average_ms, key.get()));
uint32_t max_ms =
uint32_t(std::min<uint64_t>((data.mInterKeyFrameMax_us + 500) / 1000,
UINT32_MAX));
LOG(LogLevel::Debug, ("%p VIDEO_INTER_KEYFRAME_MAX_MS = %u, keys: '%s' and 'All'",
this, max_ms, key.get()));
} else {
// Here, we have played *some* of the video, but didn't get more than 1
// keyframe. Report '0' if we have played for longer than the video-
// decode-suspend delay (showing recovery would be difficult).
uint32_t suspendDelay_ms = MediaPrefs::MDSMSuspendBackgroundVideoDelay();
if (uint32_t(playTime * 1000.0) > suspendDelay_ms) {
LOG(LogLevel::Debug, ("%p VIDEO_INTER_KEYFRAME_MAX_MS = 0 (only 1 keyframe), keys: '%s' and 'All'",
this, key.get()));
}
}
}
}
}
void HTMLMediaElement::UnbindFromTree(bool aDeep,
bool aNullParent)
{
@ -5312,19 +5118,6 @@ nsresult HTMLMediaElement::DispatchAsyncEvent(const nsAString& aName)
nsCOMPtr<nsIRunnable> event = new nsAsyncEventRunner(aName, this);
NS_DispatchToMainThread(event);
if ((aName.EqualsLiteral("play") || aName.EqualsLiteral("playing"))) {
mPlayTime.Start();
if (IsHidden()) {
HiddenVideoStart();
}
} else if (aName.EqualsLiteral("waiting")) {
mPlayTime.Pause();
HiddenVideoStop();
} else if (aName.EqualsLiteral("pause")) {
mPlayTime.Pause();
HiddenVideoStop();
}
return NS_OK;
}
@ -5450,11 +5243,6 @@ void HTMLMediaElement::SuspendOrResumeElement(bool aPauseElement, bool aSuspendE
UpdateSrcMediaStreamPlaying();
UpdateAudioChannelPlayingState();
if (aPauseElement) {
ReportTelemetry();
#ifdef MOZ_EME
ReportEMETelemetry();
#endif
#ifdef MOZ_EME
// For EME content, we may force destruction of the CDM client (and CDM
// instance if this is the last client for that CDM instance) and
@ -5506,13 +5294,6 @@ bool HTMLMediaElement::IsBeingDestroyed()
void HTMLMediaElement::NotifyOwnerDocumentActivityChanged()
{
bool visible = !IsHidden();
if (visible) {
// Visible -> Just pause hidden play time (no-op if already paused).
HiddenVideoStop();
} else if (mPlayTime.IsStarted()) {
// Not visible, play time is running -> Start hidden play time if needed.
HiddenVideoStart();
}
if (mDecoder && !IsBeingDestroyed()) {
mDecoder->NotifyOwnerActivityChanged(visible);
@ -6288,18 +6069,10 @@ HTMLMediaElement::OnVisibilityChange(Visibility aNewVisibility)
break;
}
case Visibility::APPROXIMATELY_NONVISIBLE: {
if (mPlayTime.IsStarted()) {
// Not visible, play time is running -> Start hidden play time if needed.
HiddenVideoStart();
}
mDecoder->NotifyOwnerActivityChanged(false);
break;
}
case Visibility::APPROXIMATELY_VISIBLE: {
// Visible -> Just pause hidden play time (no-op if already paused).
HiddenVideoStop();
mDecoder->NotifyOwnerActivityChanged(true);
break;
}