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#include "AudioStreamPlayer.h"
#include "../ServiceLocator.h"
#define NCINE_INCLUDE_OPENAL
#include "../CommonHeaders.h"
namespace nCine
{
AudioStreamPlayer::AudioStreamPlayer()
: IAudioPlayer(ObjectType::AudioStreamPlayer), audioStream_()
{
}
AudioStreamPlayer::AudioStreamPlayer(StringView filename)
: IAudioPlayer(ObjectType::AudioStreamPlayer), audioStream_(filename)
{
}
AudioStreamPlayer::~AudioStreamPlayer()
{
stop();
}
bool AudioStreamPlayer::loadFromFile(const char* filename)
{
if (state_ != PlayerState::Stopped) {
audioStream_.stop(sourceId_);
}
return audioStream_.loadFromFile(filename);
}
void AudioStreamPlayer::play()
{
IAudioDevice& device = theServiceLocator().GetAudioDevice();
switch (state_) {
case PlayerState::Initial:
case PlayerState::Stopped: {
const unsigned int source = device.registerPlayer(this);
if (source == IAudioDevice::UnavailableSource) {
if (device.isValid()) {
LOGW("No more available audio sources for playing");
}
break;
}
sourceId_ = source;
// Streams looping is not handled at enqueued buffer level
alSourcei(sourceId_, AL_LOOPING, AL_FALSE);
alSourcef(sourceId_, AL_GAIN, gain_);
alSourcef(sourceId_, AL_PITCH, pitch_);
updateFilters();
bool isSourceRelative = GetFlags(PlayerFlags::SourceRelative);
bool isAs2D = GetFlags(PlayerFlags::As2D);
alSourcei(sourceId_, AL_SOURCE_RELATIVE, isSourceRelative || isAs2D ? AL_TRUE : AL_FALSE);
alSourcef(sourceId_, AL_REFERENCE_DISTANCE, IAudioDevice::ReferenceDistance);
alSourcef(sourceId_, AL_MAX_DISTANCE, IAudioDevice::MaxDistance);
setPositionInternal(getAdjustedPosition(device, position_, isSourceRelative, isAs2D));
alSourcePlay(sourceId_);
state_ = PlayerState::Playing;
break;
}
case PlayerState::Paused: {
updateFilters();
alSourcePlay(sourceId_);
state_ = PlayerState::Playing;
break;
}
}
}
void AudioStreamPlayer::pause()
{
switch (state_) {
case PlayerState::Playing: {
alSourcePause(sourceId_);
state_ = PlayerState::Paused;
break;
}
}
}
void AudioStreamPlayer::stop()
{
switch (state_) {
case PlayerState::Playing:
case PlayerState::Paused: {
// Stop the source then unqueue every buffer
audioStream_.stop(sourceId_);
// Detach the buffer from source
alSourcei(sourceId_, AL_BUFFER, 0);
#if defined(OPENAL_FILTERS_SUPPORTED)
if (filterHandle_ != 0) {
alSourcei(sourceId_, AL_DIRECT_FILTER, 0);
}
#endif
state_ = PlayerState::Stopped;
break;
}
}
IAudioDevice& device = theServiceLocator().GetAudioDevice();
device.unregisterPlayer(this);
}
void AudioStreamPlayer::setLooping(bool value)
{
IAudioPlayer::setLooping(value);
audioStream_.setLooping(value);
}
void AudioStreamPlayer::updateState()
{
if (state_ == PlayerState::Playing) {
bool shouldStillPlay = audioStream_.enqueue(sourceId_, GetFlags(PlayerFlags::Looping));
if (!shouldStillPlay) {
// Detach the buffer from source
alSourcei(sourceId_, AL_BUFFER, 0);
#if defined(OPENAL_FILTERS_SUPPORTED)
if (filterHandle_ != 0) {
alSourcei(sourceId_, AL_DIRECT_FILTER, 0);
}
#endif
state_ = PlayerState::Stopped;
IAudioDevice& device = theServiceLocator().GetAudioDevice();
device.unregisterPlayer(this);
}
}
}
}
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