From 4f984b987c323b63db9e4926da8f6265f841a6ca Mon Sep 17 00:00:00 2001 From: wm4 Date: Sat, 16 Aug 2014 00:05:02 +0200 Subject: video: add --display-fps switch to control framedrop FPS Since the display FPS is currently detected on X11 only (and even there it's known to be wrong on certain setups), it seems like a good idea to make this user-configurable. --- video/out/vo.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'video') diff --git a/video/out/vo.c b/video/out/vo.c index 72f98e8859..bb98160883 100644 --- a/video/out/vo.c +++ b/video/out/vo.c @@ -332,8 +332,12 @@ static void run_reconfig(void *p) forget_frames(vo); // implicitly synchronized double display_fps = 1000.0; // assume infinite if unset - vo->driver->control(vo, VOCTRL_GET_DISPLAY_FPS, &display_fps); - vo->in->vsync_interval = 1e6 / display_fps; + if (vo->global->opts->frame_drop_fps > 0) { + display_fps = vo->global->opts->frame_drop_fps; + } else { + vo->driver->control(vo, VOCTRL_GET_DISPLAY_FPS, &display_fps); + } + vo->in->vsync_interval = MPMAX((int64_t)(1e6 / display_fps), 1); MP_VERBOSE(vo, "Assuming %f FPS for framedrop.\n", display_fps); } @@ -515,7 +519,7 @@ static int64_t prev_sync(struct vo *vo, int64_t ts) struct vo_internal *in = vo->in; int64_t diff = (int64_t)(ts - in->last_flip); - int64_t offset = diff % MPMAX(in->vsync_interval, 1); + int64_t offset = diff % in->vsync_interval; if (offset < 0) offset += in->vsync_interval; return ts - offset; -- cgit v1.2.3