void pixel_t::flatten( color::color3f_t& c, color::color3f_t& a) const
{
if( num_samples())
{
c = c_data_[0];
a = a_data_[0];
}
else
{
c = color::color3f_t( 0.0f);
a = color::color3f_t( 0.0f);
}
for( int i = 1, e = num_samples(); i < e; ++i)
{
c.x = c.x + c_data_[i].x * (1.0f - a.x);
c.y = c.y + c_data_[i].y * (1.0f - a.y);
c.z = c.z + c_data_[i].z * (1.0f - a.z);
a.x = a.x + a_data_[i].x * (1.0f - a.x);
a.y = a.y + a_data_[i].y * (1.0f - a.y);
a.z = a.z + a_data_[i].z * (1.0f - a.z);
}
}
void AudioPacket::set_size(packet::channel_mask_t ch_mask,
size_t n_samples,
size_t sample_rate) {
if (const RTP_AudioFormat* format = get_audio_format_cr(ch_mask, sample_rate)) {
format_ = format;
} else {
roc_panic("rtp audio packet: no supported format for channel mask 0x%xu",
(unsigned)ch_mask);
}
packet_.header().set_payload_type(format_->pt);
packet_.set_payload_size(format_->size(n_samples));
if (n_samples) {
format_->clear(packet_.payload().data(), n_samples);
}
roc_panic_if(channels() != ch_mask);
roc_panic_if(num_samples() != n_samples);
}
int num_pending_samples() {
return num_samples() - num_processed_samples();
}
