ffplay: add 10 minute seek support to ffplay

Signed-off-by: Marton Balint <cus@passwd.hu>

doc/ffplay.texi

@@ -168,6 +168,9 @@ Seek backward/forward 10 seconds.
 @item down/up
 Seek backward/forward 1 minute.
 
+@item page down/page up
+Seek backward/forward 10 minutes.
+
 @item mouse click
 Seek to percentage in file corresponding to fraction of width.
 

ffplay.c

@@ -2850,6 +2850,12 @@ static void event_loop(VideoState *cur_stream)
             case SDLK_w:
                 toggle_audio_display(cur_stream);
                 break;
+            case SDLK_PAGEUP:
+                incr = 600.0;
+                goto do_seek;
+            case SDLK_PAGEDOWN:
+                incr = -600.0;
+                goto do_seek;
             case SDLK_LEFT:
                 incr = -10.0;
                 goto do_seek;
@@ -3119,6 +3125,7 @@ static int opt_help(const char *opt, const char *arg)
            "s                   activate frame-step mode\n"
            "left/right          seek backward/forward 10 seconds\n"
            "down/up             seek backward/forward 1 minute\n"
+           "page down/page up   seek backward/forward 10 minutes\n"
            "mouse click         seek to percentage in file corresponding to fraction of width\n"
            );
     return 0;