зеркало из https://github.com/mozilla/gecko-dev.git
Bug 476973. Don't get confused by repeated seeks in the Ogg decoder. r=doublec
This commit is contained in:
Родитель
592042f9c0
Коммит
97c6b9c07b
|
@ -1103,6 +1103,10 @@ void nsOggDecodeStateMachine::Decode()
|
|||
void nsOggDecodeStateMachine::Seek(float aTime)
|
||||
{
|
||||
nsAutoMonitor mon(mDecoder->GetMonitor());
|
||||
// nsOggDecoder::mPlayState should be SEEKING while we seek, and
|
||||
// in that case nsOggDecoder shouldn't be calling us.
|
||||
NS_ASSERTION(mState != DECODER_STATE_SEEKING,
|
||||
"We shouldn't already be seeking");
|
||||
mSeekTime = aTime;
|
||||
LOG(PR_LOG_DEBUG, ("Changed state to SEEKING (to %f)", aTime));
|
||||
mState = DECODER_STATE_SEEKING;
|
||||
|
@ -1330,17 +1334,23 @@ nsresult nsOggDecodeStateMachine::Run()
|
|||
UpdatePlaybackPosition(frame->mDecodedFrameTime);
|
||||
PlayVideo(frame);
|
||||
}
|
||||
|
||||
// Change state to DECODING now. SeekingStopped will call
|
||||
// nsOggDecodeStateMachine::Seek to reset our state to SEEKING
|
||||
// if we need to seek again.
|
||||
LOG(PR_LOG_DEBUG, ("Changed state from SEEKING (to %f) to DECODING", seekTime));
|
||||
// mSeekTime should not have changed. While we seek, mPlayState
|
||||
// should always be PLAY_STATE_SEEKING and no-one will call
|
||||
// nsOggDecoderStateMachine::Seek.
|
||||
NS_ASSERTION(seekTime == mSeekTime, "No-one should have changed mSeekTime");
|
||||
mState = DECODER_STATE_DECODING;
|
||||
mon.NotifyAll();
|
||||
|
||||
mon.Exit();
|
||||
nsCOMPtr<nsIRunnable> stopEvent =
|
||||
NS_NEW_RUNNABLE_METHOD(nsOggDecoder, mDecoder, SeekingStopped);
|
||||
NS_DispatchToMainThread(stopEvent, NS_DISPATCH_SYNC);
|
||||
mon.Enter();
|
||||
|
||||
if (mState == DECODER_STATE_SEEKING && mSeekTime == seekTime) {
|
||||
LOG(PR_LOG_DEBUG, ("Changed state from SEEKING (to %f) to DECODING", seekTime));
|
||||
mState = DECODER_STATE_DECODING;
|
||||
mon.NotifyAll();
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
|
@ -0,0 +1,60 @@
|
|||
<!DOCTYPE HTML>
|
||||
<html>
|
||||
<!--
|
||||
https://bugzilla.mozilla.org/show_bug.cgi?id=476973
|
||||
-->
|
||||
|
||||
<head>
|
||||
<title>Bug 476973 - multiple seeks to the same position shouldn't cause problems</title>
|
||||
<script type="text/javascript" src="/MochiKit/packed.js"></script>
|
||||
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
||||
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
|
||||
</head>
|
||||
<body>
|
||||
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=476973">Mozilla Bug 476973</a>
|
||||
<pre id="test">
|
||||
<script class="testbody" type="text/javascript">
|
||||
var v;
|
||||
var completed = false;
|
||||
var seekedNonZero = false;
|
||||
|
||||
/* This test checkes that two seeks to the same position don't break things.
|
||||
So we trigger two seeks to 1.0, trigger another when seeking starts,
|
||||
and when we've seeked successfully to 1.0, we seek back to zero and expect
|
||||
that to eventually happen.
|
||||
*/
|
||||
function start() {
|
||||
v = document.getElementById('v');
|
||||
v.currentTime = 1.0;
|
||||
v.currentTime = 1.0;
|
||||
}
|
||||
|
||||
function startSeeking() {
|
||||
if (!seekedNonZero) {
|
||||
v.currentTime = 1.0;
|
||||
}
|
||||
}
|
||||
|
||||
function seeked() {
|
||||
if (completed)
|
||||
return;
|
||||
|
||||
if (v.currentTime > 0) {
|
||||
ok(v.currentTime > 0.9 && v.currentTime < 1.1, "Seek to wrong destination " + v.currentTime);
|
||||
seekedNonZero = true;
|
||||
v.currentTime = 0.0;
|
||||
} else {
|
||||
ok(seekedNonZero, "Successfully seeked to nonzero");
|
||||
ok(true, "Seek back to zero was successful");
|
||||
completed = true;
|
||||
SimpleTest.finish();
|
||||
}
|
||||
}
|
||||
|
||||
SimpleTest.waitForExplicitFinish();
|
||||
</script>
|
||||
</pre>
|
||||
<video id='v' src='seek.ogv' onseeked='seeked()' onseeking='startSeeking()'
|
||||
onloadeddata='start()'></video>
|
||||
</body>
|
||||
</html>
|
Загрузка…
Ссылка в новой задаче