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2-midi-looping #3

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boomjacky merged 17 commits from 2-midi-looping into master 2026-05-10 12:24:23 -04:00
Conversation 0 Commits 17 Files Changed 11 +29 -24
1 changed files with 29 additions and 24 deletions
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src/looper.c
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@@ -30,7 +30,8 @@ spsc_queue_t cmd_queue;
static int pending_unregister_idx = -1;
static int pending_unregister_cycle = 0;
/* Deferred free of old channel array (must not free while RT thread may hold pointer) */
/* Deferred free of old channel array (must not free while RT thread may hold
* pointer) */
static struct channel_t *pending_old = NULL;
static int pending_old_cycle = 0;
@@ -182,7 +183,8 @@ int process_callback(jack_nframes_t nframes, void *arg) {
const float *f_in = (const float *)in;
for (i = 0; i < nframes; i++) {
if (active_channels[c].record_pos < LOOP_BUF_SIZE)
active_channels[c].loop_buffer[active_channels[c].record_pos++] = f_in[i];
active_channels[c].loop_buffer[active_channels[c].record_pos++] =
f_in[i];
f_out[i] = f_in[i];
}
} else {
@@ -194,9 +196,11 @@ int process_callback(jack_nframes_t nframes, void *arg) {
if (active_channels[c].loop_count > 0) {
float *outf = (float *)out;
for (i = 0; i < nframes; i++) {
outf[i] = active_channels[c].loop_buffer[active_channels[c].playback_pos];
outf[i] =
active_channels[c].loop_buffer[active_channels[c].playback_pos];
active_channels[c].playback_pos =
(active_channels[c].playback_pos + 1) % active_channels[c].loop_count;
(active_channels[c].playback_pos + 1) %
active_channels[c].loop_count;
}
} else {
memset(out, 0, sizeof(jack_default_audio_sample_t) * nframes);
@@ -404,7 +408,8 @@ void looper_process_commands(jack_client_t *client) {
}
}
/* Deferred free of old channel array – wait until RT thread has seen new pointer */
/* Deferred free of old channel array – wait until RT thread has seen new
* pointer */
if (pending_old != NULL) {
int current_cycle = atomic_load(&global_rt_cycles);
if (current_cycle - pending_old_cycle >= 1) {