void KNMusicBackendBassThread::setPosition(const qint64 &position)
{
//Check the channel is null.
if(!m_channel)
{
return;
}
//If the state is stopped and the position is not 0, then changed the state
//to pause.
if(m_state==Stopped && position!=0)
{
//Change to paused.
setPlayingState(Paused);
}
//Change the position, the unit of the position should be translate into
//second.
BASS_ChannelSetPosition(
m_channel,
BASS_ChannelSeconds2Bytes(m_channel,
//The position here should be the
//'absolute' position.
//That means it should be the position
//plus the start position.
(double)(m_startPosition+position)
/1000.0),
BASS_POS_BYTE);
//Check the position.
checkPosition();
}
void KNMusicBackendBassThread::play()
{
//Check:
// 1. The state is already playing.
// 2. The channel is null.
if(m_state==Playing || (!m_channel))
{
return;
}
//Start the position updater.
m_positionUpdater->start();
//Check the playing state before.
if(m_state==Stopped)
{
//Reset the position to fit track playing.
setPosition(0);
//Set the volume to the last volume, because of the reset, the
//volume is back to 1.0.
BASS_ChannelSetAttribute(m_channel, BASS_ATTRIB_VOL, m_volume);
}
//Play the thread.
BASS_ChannelPlay(m_channel, FALSE);
//Update the state.
setPlayingState(Playing);
}
void TvrUiWidget::stopMedia(){
if(getRecordingState() || getRecordingPausedState()){
tvr_stop_recorder_pipeline(rd);
if(rd){
g_free(rd);
rd = NULL;
}
setRecordingState(false);
setRecordingPausedState(false);
setLastRecording(true);
}
if(getPlayingState() || getPlayingPausedState()){
tvr_stop_player_pipeline(pd);
if(pd){
g_free(pd);
pd = NULL;
}
if(playButtonClicked){
playButtonClicked = false;
}
setPlayingState(false);
setPlayingPausedState(false);
}
// Stop Timer
t->stop();
// Values need to be reset
progBarValue = 0;
retValue = 100;
count = 0;
seconds = 0;
// Progress Bar needs to be reset
tvrProgressBar->setValue(0);
lengthFieldEditLabel->setText("0");
// Close all states
setFileOpenedState(false);
setFileSaveState(false);
// Set Buttons Status
setButtonStatus(true, true, false, false, true, true);
statusLabelEdit->setText("Stopped");
}
void TvrUiWidget::playMedia(){
statusLabelEdit->setText("Playing ...");
setPlayingPausedState(false);
setPlayingState(true);
setButtonStatus(false, false, true, true, true, true);
if(tvr_play_player_pipeline(pd) == GST_MESSAGE_EOS){
stopMedia();
}
}
void KNMusicBackendBassThread::pause()
{
//Check:
// 1. The state is already paused.
// 2. The channel is null.
if(m_state==Paused || (!m_channel))
{
return;
}
//Pause the thread.
BASS_ChannelPause(m_channel);
//Stop the updater.
m_positionUpdater->stop();
//Reset the state.
setPlayingState(Paused);
}
void KNMusicBackendBassThread::reset()
{
//Stop the position updater.
m_positionUpdater->stop();
//Clear up the channel sync handle.
removeChannelSyncs();
//Check if the channel is not null.
freeChannel();
//Reset the channel data.
m_filePath.clear();
//Reset the total duration.
m_totalDuration=-1;
//Reset the stream status data.
resetChannelInformation();
//Check the current state is stopped or not.
setPlayingState(Stopped);
}
void TvrUiWidget::on_actionPaused_triggered(){
if(getRecordingState()){
setRecordingState(false);
setRecordingPausedState(true);
statusLabelEdit->setText("Recording : Paused");
setButtonStatus(true, false, false, true, true, true);
tvr_pause_recorder_pipeline(rd);
}
if(getPlayingState()){
setPlayingState(false);
setPlayingPausedState(true);
statusLabelEdit->setText("Playing : Paused");
setButtonStatus(false, true, false, true, true, true);
tvr_pause_player_pipeline(pd);
}
}
void KNMusicBackendBassThread::stop()
{
//Check:
// 1. The state is already stopped.
// 2. The channel is null.
if(m_state==Stopped || (!m_channel))
{
return;
}
//Stop the channel.
BASS_ChannelStop(m_channel);
//Stop the position updater.
m_positionUpdater->stop();
//Reset the position to the start position.
setPosition(0);
//Update the state.
setPlayingState(Stopped);
//Emit stopped signal.
emit stopped();
}
