void MmRendererMediaPlayerControl::play()
{
if (m_playAfterMediaLoaded)
m_playAfterMediaLoaded = false;
// No-op if we are already playing, except if we were called from continueLoadMedia(), in which
// case m_playAfterMediaLoaded is true (hence the 'else').
else if (m_state == QMediaPlayer::PlayingState)
return;
if (m_mediaStatus == QMediaPlayer::LoadingMedia) {
// State changes are supposed to be synchronous
setState(QMediaPlayer::PlayingState);
// Defer playing to later, when the timer triggers continueLoadMedia()
m_playAfterMediaLoaded = true;
return;
}
// Un-pause the state when it is paused
if (m_state == QMediaPlayer::PausedState) {
setPlaybackRateInternal(m_rate);
setState(QMediaPlayer::PlayingState);
return;
}
if (m_media.isNull() || !m_connection || !m_context || m_audioId == -1) {
setState(QMediaPlayer::StoppedState);
return;
}
if (m_mediaStatus == QMediaPlayer::EndOfMedia)
m_position = 0;
setPositionInternal(m_position);
setVolumeInternal(m_muted ? 0 : m_volume);
setPlaybackRateInternal(m_rate);
if (mmr_play(m_context) != 0) {
setState(QMediaPlayer::StoppedState);
emitMmError("mmr_play() failed");
return;
}
m_stopEventsToIgnore = 0; // once playing, stop events must be proccessed
setState( QMediaPlayer::PlayingState);
}
void BbMediaPlayerControl::pause()
{
if (m_state == QMediaPlayer::PlayingState) {
setPlaybackRateInternal(0);
setState(QMediaPlayer::PausedState);
}
}
void BbMediaPlayerControl::setPlaybackRate(qreal rate)
{
if (m_rate != rate) {
m_rate = rate;
setPlaybackRateInternal(m_rate);
emit playbackRateChanged(m_rate);
}
}
void AnimationPlayer::reverse()
{
if (!m_playbackRate) {
return;
}
setPlaybackRateInternal(-m_playbackRate);
play();
}
void Animation::setPlaybackRate(double playbackRate)
{
if (playbackRate == m_playbackRate)
return;
PlayStateUpdateScope updateScope(*this, TimingUpdateOnDemand);
setPlaybackRateInternal(playbackRate);
}
void AnimationPlayer::setPlaybackRate(double playbackRate)
{
UseCounter::count(executionContext(), UseCounter::AnimationPlayerSetPlaybackRate);
if (!std::isfinite(playbackRate))
return;
if (playbackRate == m_playbackRate)
return;
PlayStateUpdateScope updateScope(*this, TimingUpdateOnDemand);
setPlaybackRateInternal(playbackRate);
}
