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bug 1108787 dispatch progress even when timer runs late r=cpearce

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avoiding skipping progress events when data is received only soon after the
previous progress event.

--HG--
extra : rebase_source : 5108ae7d91bac613ed67f85c0963c6ca020bee07
This commit is contained in:
Karl Tomlinson 2014-11-21 17:37:44 +13:00
parent 39cecb01b3
commit 63b2b899ae
1 changed files with 15 additions and 7 deletions
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22
dom/media/MediaDecoder.cpp
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@ -1562,14 +1562,22 @@ void MediaDecoder::Progress(bool aTimer)
mDataTime = now;
}
// If PROGRESS_MS has passed since the last progress event fired and more
// data has arrived since then, fire another progress event.
if ((mProgressTime.IsNull() ||
now - mProgressTime >= TimeDuration::FromMilliseconds(PROGRESS_MS)) &&
!mDataTime.IsNull() &&
now - mDataTime <= TimeDuration::FromMilliseconds(PROGRESS_MS)) {
// If this is the first progress, or PROGRESS_MS has passed since the last
// progress event fired and more data has arrived since then, fire a
// progress event.
if (!mDataTime.IsNull() &&
(mProgressTime.IsNull() ||
(now - mProgressTime >= TimeDuration::FromMilliseconds(PROGRESS_MS) &&
mDataTime > mProgressTime))) {
mOwner->DownloadProgressed();
mProgressTime = now;
// Resolution() ensures that future data will have now > mProgressTime,
// and so will trigger another event. mDataTime is not reset because it
// is still required to detect stalled; it is similarly offset by
// resolution to indicate the new data has not yet arrived.
mProgressTime = now - TimeDuration::Resolution();
if (mDataTime > mProgressTime) {
mDataTime = mProgressTime;
}
}
if (!mDataTime.IsNull() &&