Move device/hw/links.h to device/links.h

device/links.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define LINKS_LOOP_INTERVAL 100
+
+typedef struct buffer_s buffer_t;
+typedef struct buffer_list_s buffer_list_t;
+typedef struct link_s link_t;
+
+typedef void (*link_on_buffer)(buffer_t *buf);
+typedef bool (*link_check_streaming)();
+typedef bool (*link_validate_buffer)(struct link_s *link, buffer_t *buf);
+
+typedef struct link_s {
+  struct buffer_list_s *source; // capture_list
+  struct buffer_list_s *sinks[10];
+  struct {
+    link_on_buffer on_buffer;
+    link_check_streaming check_streaming;
+    link_validate_buffer validate_buffer;
+  } callbacks;
+} link_t;
+
+int links_init(link_t *all_links);
+int links_step(link_t *all_links, int timeout_now_ms, int *timeout_next_ms);
+int links_loop(link_t *all_links, bool *running);