1 files changed, 70 insertions, 0 deletions
diff --git a/mp_fifo.c b/mp_fifo.c
new file mode 100644
index 0000000000..5d0159dfd8
--- /dev/null
+++ b/mp_fifo.c
@@ -0,0 +1,70 @@
+#include <stdlib.h>
+#include "osdep/timer.h"
+#include "input/input.h"
+#include "input/mouse.h"
+
+
+int key_fifo_size = 7;
+static int *key_fifo_data = NULL;
+static int key_fifo_read=0;
+static int key_fifo_write=0;
+
+static void mplayer_put_key_internal(int code){
+  int fifo_free = key_fifo_read - key_fifo_write - 1;
+  if (fifo_free < 0) fifo_free += key_fifo_size;
+//  printf("mplayer_put_key(%d)\n",code);
+  if (key_fifo_data == NULL)
+    key_fifo_data = malloc(key_fifo_size * sizeof(int));
+  if(!fifo_free) return; // FIFO FULL!!
+  // reserve some space for key release events to avoid stuck keys
+  if((code & MP_KEY_DOWN) && fifo_free < (key_fifo_size >> 1))
+    return;
+  key_fifo_data[key_fifo_write]=code;
+  key_fifo_write=(key_fifo_write+1)%key_fifo_size;
+}
+
+int mplayer_get_key(int fd){
+  int key;
+//  printf("mplayer_get_key(%d)\n",fd);
+  if (key_fifo_data == NULL)
+    return MP_INPUT_NOTHING;
+  if(key_fifo_write==key_fifo_read) return MP_INPUT_NOTHING;
+  key=key_fifo_data[key_fifo_read];
+  key_fifo_read=(key_fifo_read+1)%key_fifo_size;
+//  printf("mplayer_get_key => %d\n",key);
+  return key;
+}
+
+
+unsigned doubleclick_time = 300;
+
+static void put_double(int code) {
+  if (code >= MOUSE_BTN0 && code <= MOUSE_BTN9)
+    mplayer_put_key_internal(code - MOUSE_BTN0 + MOUSE_BTN0_DBL);
+}
+
+void mplayer_put_key(int code) {
+  static unsigned last_key_time[2];
+  static int last_key[2];
+  unsigned now = GetTimerMS();
+  // ignore system-doubleclick if we generate these events ourselves
+  if (doubleclick_time &&
+      (code & ~MP_KEY_DOWN) >= MOUSE_BTN0_DBL &&
+      (code & ~MP_KEY_DOWN) <= MOUSE_BTN9_DBL)
+    return;
+  mplayer_put_key_internal(code);
+  if (code & MP_KEY_DOWN) {
+    code &= ~MP_KEY_DOWN;
+    last_key[1] = last_key[0];
+    last_key[0] = code;
+    last_key_time[1] = last_key_time[0];
+    last_key_time[0] = now;
+    if (last_key[1] == code &&
+        now - last_key_time[1] < doubleclick_time)
+      put_double(code);
+    return;
+  }
+  if (last_key[0] == code && last_key[1] == code &&
+      now - last_key_time[1] < doubleclick_time)
+    put_double(code);
+}