boomjacky/looper
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

fix: remove blocking fprintf from real-time callback and zero output buffer

Browse Source 
Co-authored-by: aider (deepseek/deepseek-reasoner) <aider@aider.chat>
This commit is contained in:
Loic Coenen
2026-05-07 20:27:47 +00:00
parent 2a630688e8
commit a3efd70ba3
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/main.c
View File

@@ -25,8 +25,12 @@ static int process(jack_nframes_t nframes, void *arg)
jack_default_audio_sample_t *in = (jack_default_audio_sample_t *) jack_port_get_buffer(input_port, nframes); jack_default_audio_sample_t *in = (jack_default_audio_sample_t *) jack_port_get_buffer(input_port, nframes);
jack_default_audio_sample_t *out = (jack_default_audio_sample_t *) jack_port_get_buffer(output_port, nframes); jack_default_audio_sample_t *out = (jack_default_audio_sample_t *) jack_port_get_buffer(output_port, nframes);
if (in && out) { if (out) {
if (in) {
memcpy(out, in, sizeof(jack_default_audio_sample_t) * nframes); memcpy(out, in, sizeof(jack_default_audio_sample_t) * nframes);
} else {
memset(out, 0, sizeof(jack_default_audio_sample_t) * nframes);
}
} }
void *midi_ctrl_buf = jack_port_get_buffer(midi_control_port, nframes); void *midi_ctrl_buf = jack_port_get_buffer(midi_control_port, nframes);
@@ -42,19 +46,15 @@ static int process(jack_nframes_t nframes, void *arg)
switch (current_state) { switch (current_state) {
case STATE_IDLE: case STATE_IDLE:
current_state = STATE_RECORD; current_state = STATE_RECORD;
fprintf(stderr, "[looper] -> record\n");
break; break;
case STATE_RECORD: case STATE_RECORD:
current_state = STATE_LOOPING; current_state = STATE_LOOPING;
fprintf(stderr, "[looper] -> looping\n");
break; break;
case STATE_LOOPING: case STATE_LOOPING:
current_state = STATE_PAUSED; current_state = STATE_PAUSED;
fprintf(stderr, "[looper] -> paused\n");
break; break;
case STATE_PAUSED: case STATE_PAUSED:
current_state = STATE_LOOPING; current_state = STATE_LOOPING;
fprintf(stderr, "[looper] -> looping\n");
break; break;
} }
} }