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This commit is contained in:
jLynx
2023-05-19 08:16:05 +12:00
committed by GitHub
parent 7aca7ce74d
commit 033c4e9a5b
599 changed files with 70746 additions and 66896 deletions
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124
firmware/baseband/audio_output.cpp
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@@ -33,96 +33,88 @@
#include <array>
void AudioOutput::configure(
const bool do_proc
) {
do_processing = do_proc;
const bool do_proc) {
do_processing = do_proc;
}
void AudioOutput::configure(
const iir_biquad_config_t& hpf_config,
const iir_biquad_config_t& deemph_config,
const float squelch_threshold
) {
hpf.configure(hpf_config);
deemph.configure(deemph_config);
squelch.set_threshold(squelch_threshold);
const iir_biquad_config_t& hpf_config,
const iir_biquad_config_t& deemph_config,
const float squelch_threshold) {
hpf.configure(hpf_config);
deemph.configure(deemph_config);
squelch.set_threshold(squelch_threshold);
}
void AudioOutput::write(
const buffer_s16_t& audio
) {
std::array<float, 32> audio_f;
for(size_t i=0; i<audio.count; i++) {
audio_f[i] = audio.p[i] * ki;
}
write(buffer_f32_t {
audio_f.data(),
audio.count,
audio.sampling_rate
});
const buffer_s16_t& audio) {
std::array<float, 32> audio_f;
for (size_t i = 0; i < audio.count; i++) {
audio_f[i] = audio.p[i] * ki;
}
write(buffer_f32_t{
audio_f.data(),
audio.count,
audio.sampling_rate});
}
void AudioOutput::write(
const buffer_f32_t& audio
) {
block_buffer.feed(
audio,
[this](const buffer_f32_t& buffer) {
this->on_block(buffer);
}
);
const buffer_f32_t& audio) {
block_buffer.feed(
audio,
[this](const buffer_f32_t& buffer) {
this->on_block(buffer);
});
}
void AudioOutput::on_block(
const buffer_f32_t& audio
) {
if (do_processing) {
const auto audio_present_now = squelch.execute(audio);
const buffer_f32_t& audio) {
if (do_processing) {
const auto audio_present_now = squelch.execute(audio);
hpf.execute_in_place(audio);
deemph.execute_in_place(audio);
hpf.execute_in_place(audio);
deemph.execute_in_place(audio);
audio_present_history = (audio_present_history << 1) | (audio_present_now ? 1 : 0);
audio_present = (audio_present_history != 0);
if( !audio_present ) {
for(size_t i=0; i<audio.count; i++) {
audio.p[i] = 0;
}
}
} else
audio_present = true;
audio_present_history = (audio_present_history << 1) | (audio_present_now ? 1 : 0);
audio_present = (audio_present_history != 0);
fill_audio_buffer(audio, audio_present);
if (!audio_present) {
for (size_t i = 0; i < audio.count; i++) {
audio.p[i] = 0;
}
}
} else
audio_present = true;
fill_audio_buffer(audio, audio_present);
}
bool AudioOutput::is_squelched() {
return !audio_present;
return !audio_present;
}
void AudioOutput::fill_audio_buffer(const buffer_f32_t& audio, const bool send_to_fifo) {
std::array<int16_t, 32> audio_int;
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]));
}
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);
feed_audio_stats(audio);
}
void AudioOutput::feed_audio_stats(const buffer_f32_t& audio) {
audio_stats.feed(
audio,
[](const AudioStatistics& statistics) {
const AudioStatisticsMessage audio_stats_message { statistics };
shared_memory.application_queue.push(audio_stats_message);
}
);
audio_stats.feed(
audio,
[](const AudioStatistics& statistics) {
const AudioStatisticsMessage audio_stats_message{statistics};
shared_memory.application_queue.push(audio_stats_message);
});
}