void SoundNode::changeSoundState(SoundState newSoundState)
{
if (newSoundState == m_State) {
return;
}
if (m_State == Unloaded) {
open();
}
if (newSoundState == Unloaded) {
close();
}
if (getState() == NS_CANRENDER) {
long long curTime = Player::get()->getFrameTime();
if (m_State == Unloaded) {
startDecoding();
m_StartTime = curTime;
m_PauseTime = 0;
}
if (newSoundState == Paused) {
m_PauseStartTime = curTime;
AudioEngine::get()->pauseSource(m_AudioID);
} else if (newSoundState == Playing && m_State == Paused) {
m_PauseTime += curTime-m_PauseStartTime;
AudioEngine::get()->playSource(m_AudioID);
}
}
m_State = newSoundState;
}
void SoundNode::connectDisplay()
{
if (!AudioEngine::get()) {
throw Exception(AVG_ERR_UNSUPPORTED,
"Sound nodes can only be created if audio is not disabled.");
}
checkReload();
AreaNode::connectDisplay();
long long curTime = Player::get()->getFrameTime();
if (m_State != Unloaded) {
startDecoding();
m_StartTime = curTime;
m_PauseTime = 0;
}
if (m_State == Paused) {
m_PauseStartTime = curTime;
}
}
