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test: add debug counters to audio routing test

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Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>
This commit is contained in:
Loic Coenen
2026-05-05 16:06:32 +00:00
parent 0b3bb80cc0
commit 52096a7c49
1 changed files with 22 additions and 0 deletions
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22
test_audio_routing.c
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@@ -48,6 +48,11 @@ static float test_audio_input[MAX_CHANNELS][MAX_SAMPLES];
static atomic_size_t test_audio_input_count[MAX_CHANNELS];
static atomic_size_t test_audio_input_read[MAX_CHANNELS];
// Debug counters
static atomic_ulong test_callback_count;
static atomic_ulong test_midi_sent_count;
static atomic_ulong test_audio_written_count;
// Shared MIDI buffer (written by test thread, read by JACK callback)
static uint8_t test_midi_buffer[3]; // status, note, velocity
static atomic_bool test_midi_pending;
@@ -81,6 +86,8 @@ static int test_process_callback(jack_nframes_t nframes, void *arg) {
(void)arg;
if (!atomic_load(&test_running)) return 0;
atomic_fetch_add(&test_callback_count, 1);
pthread_mutex_lock(&test_buffer_mutex);
// Write test audio to output ports (to be sent to looper)
@@ -91,14 +98,17 @@ static int test_process_callback(jack_nframes_t nframes, void *arg) {
size_t read_pos = atomic_load(&test_audio_input_read[ch]);
size_t count = atomic_load(&test_audio_input_count[ch]);
bool wrote_audio = false;
for (jack_nframes_t i = 0; i < nframes; i++) {
if (read_pos + i < count) {
out[i] = test_audio_input[ch][read_pos + i];
if (test_audio_input[ch][read_pos + i] != 0.0f) wrote_audio = true;
} else {
out[i] = 0.0f;
}
}
atomic_store(&test_audio_input_read[ch], read_pos + nframes);
if (wrote_audio) atomic_fetch_add(&test_audio_written_count, 1);
}
// Read audio from looper outputs
@@ -269,6 +279,10 @@ static void send_sine_wave(int channel, float frequency, float amplitude, jack_n
// Wait for the JACK callback to consume the audio
// (the callback runs in a separate thread)
usleep(duration * 1000 + 300000); // duration ms + 300ms extra
unsigned long cb_count = atomic_load(&test_callback_count);
unsigned long aw_count = atomic_load(&test_audio_written_count);
printf(" [DEBUG] Callback count: %lu, Audio written: %lu\n", cb_count, aw_count);
}
static void send_midi_note(int note, int velocity) {
@@ -282,11 +296,16 @@ static void send_midi_note(int note, int velocity) {
test_midi_buffer[1] = note & 0x7F;
test_midi_buffer[2] = velocity & 0x7F;
atomic_store(&test_midi_pending, true);
atomic_fetch_add(&test_midi_sent_count, 1);
pthread_mutex_unlock(&test_buffer_mutex);
// Wait longer for JACK to process the MIDI message
usleep(300000); // 300ms to let JACK process
unsigned long cb_count = atomic_load(&test_callback_count);
unsigned long ms_count = atomic_load(&test_midi_sent_count);
printf(" [DEBUG] Callback count: %lu, MIDI sent: %lu\n", cb_count, ms_count);
}
static float get_channel_rms(int channel) {
@@ -561,6 +580,9 @@ int main(void) {
atomic_store(&tests_failed, 0);
atomic_store(&test_running, true);
atomic_store(&test_timeout, false);
atomic_store(&test_callback_count, 0);
atomic_store(&test_midi_sent_count, 0);
atomic_store(&test_audio_written_count, 0);
// Start watchdog thread
pthread_t watchdog;