void KRAudioSource::stop()
{
// Stop playback of audio. If audio is already stopped, this has no effect.
// If play() is called afterwards, playback will continue at the current audio sample position.
if(m_playing) {
m_paused_audio_frame = getAudioFrame();
m_start_audio_frame = -1;
m_playing = false;
getContext().getAudioManager()->deactivateAudioSource(this);
}
}
void KRAudioSource::sample(int frame_count, int channel, float *buffer, float gain)
{
KRAudioSample *source_sample = getAudioSample();
if(source_sample && m_playing) {
__int64_t next_frame = getAudioFrame();
source_sample->sample(next_frame, frame_count, channel, buffer, gain, m_looping);
if(!m_looping && next_frame > source_sample->getFrameCount()) {
stop();
}
} else {
memset(buffer, 0, sizeof(float) * frame_count);
}
}
AudioFrame * myAudioBuffer::getAudioFrame(float pct) {
return getAudioFrame(getLastTimestamp()-(getInitTime()+getTotalTime()*pct));
}
bool BufferSinkFilterContext::getAudioFrame(AudioSamples &samples, OptionalErrorCode ec)
{
return getAudioFrame(samples, 0, ec);
}
float KRAudioSource::getAudioTime()
{
// Gets the audio playback position with units of floating point seconds.
return getAudioFrame() / 44100.0f;
}
