player: add framerate based backward/forward step support

Uses the 'o' and 'p' key to step backward/forward.
gopro · Dec 1, 2021 · c22be9f · c22be9f
1 parent 9877489
commit c22be9f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/sxplayer.c b/src/sxplayer.c
@@ -185,6 +185,14 @@ static int key_callback(struct player *p, SDL_KeyboardEvent *event)
     case SDLK_RIGHT:
         update_time(p, clipi64(p->frame_ts + 10 * 1000000, 0, p->duration));
         break;
+    case SDLK_o:
+        p->paused = 1;
+        set_frame_index(p, clipi64(p->frame_index - 1, 0, p->duration_i));
+        break;
+    case SDLK_p:
+        p->paused = 1;
+        set_frame_index(p, clipi64(p->frame_index + 1, 0, p->duration_i));
+        break;
     case SDLK_s:
     case SDLK_PERIOD:
         p->paused = 1;