Merge branch '8-add-tui' - tests not passing

engine/src/channel.h

@@ -0,0 +1,47 @@
+#ifndef CHANNEL_H
+#define CHANNEL_H
+
+// cppcheck-suppress missingIncludeSystem
+#include <jack/jack.h>
+#include <stdatomic.h>
+
+#define LOOP_BUF_SIZE  (5 * 48000)
+#define MAX_CHANNELS   16
+
+#include "ringbuffer.h"
+
+typedef enum {
+    STATE_IDLE,
+    STATE_RECORD,
+    STATE_LOOPING,
+    STATE_PAUSED
+} looper_state;
+
+struct channel_t {
+    atomic_int    state;
+    atomic_int    prev_state;
+    float         loop_buffer[LOOP_BUF_SIZE];
+    atomic_int    loop_count;
+    atomic_int    record_pos;
+    atomic_int    playback_pos;
+    atomic_int    active;
+    jack_port_t  *audio_in;
+    jack_port_t  *audio_out;
+
+    _Atomic RingBuf *save_ring;
+};
+
+/* Globals declared in looper.c */
+extern struct channel_t channels[MAX_CHANNELS];
+extern atomic_int  channel_count;
+extern atomic_int  channel_capacity;
+extern int         next_channel_id;
+extern atomic_int  cmd_add;
+extern atomic_int  cmd_remove;
+extern atomic_int  cmd_load;
+extern atomic_int  cmd_save;
+
+void channel_add(jack_client_t *client, int idx);
+void channel_remove(jack_client_t *client, int idx);
+
+#endif