/*/////////////////////////////////////////////////////////////////*/
void OgreOggStreamSound::_updatePlayPosition()
{
if ( mSource==AL_NONE || !mSeekable )
return;
bool paused = isPaused();
bool playing = isPlaying();
// Seek...
pause();
ov_time_seek(&mOggStream, mPlayPos);
// Unqueue all buffers
_dequeue();
// Fill buffers
_prebuffer();
// Reset state..
if ( playing ) play();
else if ( paused ) pause();
// Set flag
mStreamEOF=false;
mPlayPosChanged = false;
mLastOffset = mPlayPos;
}
/*/////////////////////////////////////////////////////////////////*/
void OgreOggStreamSound::setSource(ALuint& src)
{
if (src!=AL_NONE)
{
// Set source
mSource=src;
// Fill data buffers
_prebuffer();
// Init source
_initSource();
}
else
{
// Unqueue buffers
_dequeue();
// Set source
mSource=src;
// Cancel initialisation
mInitialised = false;
}
}
/*/////////////////////////////////////////////////////////////////*/
void OgreOggStaticSound::setSource(ALuint& src)
{
if (src!=AL_NONE)
{
// Attach new source
mSource=src;
// Load audio data onto source
_prebuffer();
// Init source properties
_initSource();
}
else
{
// Need to stop sound BEFORE unqueuing
alSourceStop(mSource);
// Unqueue buffer
alSourcei(mSource, AL_BUFFER, 0);
// Attach new source
mSource=src;
// Cancel initialisation
mInitialised = false;
}
}
void player_play_file(struct track_info *ti)
{
player_lock();
_producer_set_file(ti);
if (producer_status == PS_UNLOADED) {
_consumer_stop();
goto out;
}
/* PS_STOPPED */
_producer_play();
/* PS_UNLOADED,PS_PLAYING */
if (producer_status == PS_UNLOADED) {
_consumer_stop();
goto out;
}
/* PS_PLAYING */
if (consumer_status == CS_STOPPED) {
_consumer_play();
if (consumer_status == CS_STOPPED)
_producer_stop();
} else {
op_drop();
change_sf(1);
}
out:
_player_status_changed();
if (producer_status == PS_PLAYING)
_prebuffer();
player_unlock();
}
void player_pause(void)
{
if (ip && ip_is_remote(ip) && consumer_status == CS_PLAYING) {
/* pausing not allowed */
player_stop();
return;
}
player_lock();
if (consumer_status == CS_STOPPED) {
_producer_play();
if (producer_status == PS_PLAYING) {
_consumer_play();
if (consumer_status != CS_PLAYING)
_producer_stop();
}
_player_status_changed();
if (consumer_status == CS_PLAYING)
_prebuffer();
player_unlock();
return;
}
_producer_pause();
_consumer_pause();
_player_status_changed();
player_unlock();
}
static void _consumer_handle_eof(void)
{
struct track_info *ti;
if (ip_is_remote(ip)) {
_producer_stop();
_consumer_drain_and_stop();
player_error("lost connection");
return;
}
if (player_info.ti)
player_info.ti->play_count++;
if (player_repeat_current) {
if (player_cont) {
ip_seek(ip, 0);
reset_buffer();
} else {
_producer_stop();
_consumer_drain_and_stop();
_player_status_changed();
}
return;
}
if (get_next(&ti) == 0) {
_producer_unload();
ip = ip_new(ti->filename);
_producer_status_update(PS_STOPPED);
/* PS_STOPPED, CS_PLAYING */
if (player_cont) {
_producer_play();
if (producer_status == PS_UNLOADED) {
_consumer_stop();
track_info_unref(ti);
file_changed(NULL);
} else {
/* PS_PLAYING */
file_changed(ti);
if (!change_sf(0))
_prebuffer();
}
} else {
_consumer_drain_and_stop();
file_changed(ti);
}
} else {
_producer_unload();
_consumer_drain_and_stop();
file_changed(NULL);
}
_player_status_changed();
}
/*/////////////////////////////////////////////////////////////////*/
void OgreOggStreamSound::_stopImpl()
{
if(mSource != AL_NONE)
{
// Remove audio data from source
_dequeue();
// Stop playback
mState = SS_STOPPED;
if (mTemporary)
{
OgreOggSoundManager::getSingletonPtr()->_destroyTemporarySound(this);
return;
}
// Jump to beginning if seeking available
if ( mSeekable )
{
ov_time_seek(&mOggStream,0);
mLastOffset=0;
mStreamEOF=false;
}
// Non-seekable - close/reopen
else
{
// Close
_release();
// Reopen
_openImpl(mAudioStream);
}
// If marked for auto-destruction request destroy()
if (mTemporary)
{
mAwaitingDestruction=true;
}
else
{
// Reload data
_prebuffer();
// Give up source immediately if specfied
if (mGiveUpSource) OgreOggSoundManager::getSingleton()._releaseSoundSource(this);
}
// Notify listener
if ( mSoundListener ) mSoundListener->soundStopped(this);
}
}
void player_play(void)
{
int prebuffer;
player_lock();
if (producer_status == PS_PLAYING && ip_is_remote(ip)) {
/* seeking not allowed */
player_unlock();
return;
}
prebuffer = consumer_status == CS_STOPPED;
_producer_play();
if (producer_status == PS_PLAYING) {
_consumer_play();
if (consumer_status != CS_PLAYING)
_producer_stop();
} else {
_consumer_stop();
}
_player_status_changed();
if (consumer_status == CS_PLAYING && prebuffer)
_prebuffer();
player_unlock();
}
/*/////////////////////////////////////////////////////////////////*/
void OgreOggStreamSound::_updateAudioBuffers()
{
if (!isPlaying()) return;
ALenum state;
alGetSourcei(mSource, AL_SOURCE_STATE, &state);
if (state == AL_PAUSED) return;
// Ran out of buffer data?
if (state == AL_STOPPED)
{
if(mStreamEOF)
{
stop();
// Finished callback
if ( mSoundListener )
mSoundListener->soundFinished(this);
return;
}
else
{
// Clear audio data already played...
_dequeue();
// Fill with next chunk of audio...
_prebuffer();
// Play...
alSourcePlay(mSource);
}
}
int processed;
alGetSourcei(mSource, AL_BUFFERS_PROCESSED, &processed);
while(processed--)
{
ALuint buffer;
ALint size, bits, channels, freq;
alSourceUnqueueBuffers(mSource, 1, &buffer);
// Get buffer details
alGetBufferi(buffer, AL_SIZE, &size);
alGetBufferi(buffer, AL_BITS, &bits);
alGetBufferi(buffer, AL_CHANNELS, &channels);
alGetBufferi(buffer, AL_FREQUENCY, &freq);
// Update offset (in seconds)
mLastOffset += ((ALuint)size/channels/(bits/8)) / (ALfloat)freq;
if ( mLastOffset>=mPlayTime )
{
mLastOffset = mLastOffset-mPlayTime;
/** This is the closest we can get to a loop trigger.
@remarks
If played data size exceeds audio data size trigger callback.
*/
if ( mSoundListener ) mSoundListener->soundLooping(this);
}
if ( _stream(buffer) ) alSourceQueueBuffers(mSource, 1, &buffer);
}
// handle play position change
if ( mPlayPosChanged )
{
_updatePlayPosition();
}
}
