OpenALBackend::OpenALBackend()
: m_sampling_rate(get_sampling_rate())
, m_sample_size(get_sample_size())
{
ALCdevice* m_device = alcOpenDevice(nullptr);
checkForAlcError("OpenALBackend->alcOpenDevice");
ALCcontext* m_context = alcCreateContext(m_device, nullptr);
checkForAlcError("OpenALBackend->alcCreateContext");
alcMakeContextCurrent(m_context);
checkForAlcError("OpenALBackend->alcMakeContextCurrent");
if (get_channels() == 2)
{
m_format = (m_sample_size == 2) ? AL_FORMAT_STEREO16 : AL_FORMAT_STEREO_FLOAT32;
}
else
{
m_format = (m_sample_size == 2) ? AL_FORMAT_71CHN16 : AL_FORMAT_71CHN32;
}
}
static unsigned int get_length_in_samples(struct sppb_plugin_description *plugin, void *context)
{
MPSP_DPRINTF("parser: get_length_in_samples(): %u\n", (ModPlug_GetLength(self) + 500) / 1000 * getSamplingRate());
return (ModPlug_GetLength(self) + 500) / 1000 * get_sampling_rate();
}