void BasebandProcessor::fill_audio_buffer(const buffer_s16_t audio) {
auto audio_buffer = audio::dma::tx_empty_buffer();;
for(size_t i=0; i<audio_buffer.count; i++) {
audio_buffer.p[i].left = audio_buffer.p[i].right = audio.p[i];
}
i2s::i2s0::tx_unmute();
feed_audio_stats(audio);
}
void AudioOutput::fill_audio_buffer(const buffer_f32_t& audio, const bool send_to_fifo) {
std::array<int16_t, 32> audio_int;
auto audio_buffer = audio::dma::tx_empty_buffer();
for(size_t i=0; i<audio_buffer.count; i++) {
const int32_t sample_int = audio.p[i] * k;
const int32_t sample_saturated = __SSAT(sample_int, 16);
audio_buffer.p[i].left = audio_buffer.p[i].right = sample_saturated;
audio_int[i] = sample_saturated;
}
if( stream && send_to_fifo ) {
stream->write(audio_int.data(), audio_buffer.count * sizeof(audio_int[0]));
}
feed_audio_stats(audio);
}
