WMF: fixed various media player issues.

- Switch to BufferedMedia only once playback actually started, not when
requesting to start.
- Report the position to have changed when seeking in stopped state.

Change-Id: I930b3e6977cebe5935ed033d0a4d4e1eb899ad2c
Reviewed-by: Christian Stromme <christian.stromme@digia.com>
This commit is contained in:
Yoann Lopes
2013-12-04 17:02:27 +01:00
committed by The Qt Project
parent cbe9fc8e4d
commit 99bebdbb7d

View File

@@ -1323,14 +1323,8 @@ void MFPlayerSession::stop(bool immediate)
void MFPlayerSession::start()
{
switch (m_status) {
case QMediaPlayer::EndOfMedia:
m_varStart.hVal.QuadPart = 0;
//since it must be loaded already, just fallthrough
case QMediaPlayer::LoadedMedia:
changeStatus(QMediaPlayer::BufferedMedia);
return;
}
if (m_status == QMediaPlayer::EndOfMedia)
m_varStart.hVal.QuadPart = 0; // restart from the beginning
#ifdef DEBUG_MEDIAFOUNDATION
qDebug() << "start";
@@ -1464,6 +1458,9 @@ void MFPlayerSession::setPositionInternal(qint64 position, Command requestCmd)
if (m_state.command == CmdStop && requestCmd != CmdSeekResume) {
m_varStart.vt = VT_I8;
m_varStart.hVal.QuadPart = LONGLONG(position * 10000);
// Even though the position is not actually set on the session yet,
// report it to have changed anyway for UI controls to be updated
emit positionChanged(this->position());
return;
}
@@ -1563,6 +1560,8 @@ void MFPlayerSession::commitRateChange(qreal rate, BOOL isThin)
m_presentationClock->GetCorrelatedTime(0, &hnsClockTime, &hnsSystemTime);
Q_ASSERT(hnsSystemTime != 0);
m_request.setCommand(rate < 0 || m_state.rate < 0 ? CmdSeekResume : CmdStart);
// We need to stop only when dealing with negative rates
if (rate >= 0 && m_state.rate >= 0)
pause();
@@ -1571,7 +1570,6 @@ void MFPlayerSession::commitRateChange(qreal rate, BOOL isThin)
// If we deal with negative rates, we stopped the session and consequently
// reset the position to zero. We then need to resume to the current position.
m_request.setCommand(rate < 0 || m_state.rate < 0 ? CmdSeekResume : CmdStart);
m_request.start = hnsClockTime / 10000;
} else if (cmdNow == CmdPause) {
if (rate < 0 || m_state.rate < 0) {
@@ -1606,10 +1604,11 @@ void MFPlayerSession::commitRateChange(qreal rate, BOOL isThin)
// Changing rate from negative to zero requires to stop the session
m_presentationClock->GetCorrelatedTime(0, &hnsClockTime, &hnsSystemTime);
m_request.setCommand(CmdSeekResume);
stop();
// Resumte to the current position (stop() will reset the position to 0)
m_request.setCommand(CmdSeekResume);
// Resume to the current position (stop() will reset the position to 0)
m_request.start = hnsClockTime / 10000;
}
@@ -1837,6 +1836,12 @@ void MFPlayerSession::handleSessionEvent(IMFMediaEvent *sessionEvent)
updatePendingCommands(CmdStart);
break;
case MESessionStarted:
if (m_status == QMediaPlayer::EndOfMedia
|| m_status == QMediaPlayer::LoadedMedia) {
// If the session started, then enough data is buffered to play
changeStatus(QMediaPlayer::BufferedMedia);
}
updatePendingCommands(CmdStart);
#ifndef Q_WS_SIMULATOR
// playback started, we can now set again the procAmpValues if they have been
@@ -1852,8 +1857,8 @@ void MFPlayerSession::handleSessionEvent(IMFMediaEvent *sessionEvent)
m_varStart.hVal.QuadPart = 0;
// Reset to Loaded status unless we are loading a new media
// or if the media is buffered (to avoid restarting the video surface)
if (m_status != QMediaPlayer::LoadingMedia && m_status != QMediaPlayer::BufferedMedia)
// or changing the playback rate to negative values (stop required)
if (m_status != QMediaPlayer::LoadingMedia && m_request.command != CmdSeekResume)
changeStatus(QMediaPlayer::LoadedMedia);
}
updatePendingCommands(CmdStop);