diff options
Diffstat (limited to 'frontend/plugin_lib.c')
| -rw-r--r-- | frontend/plugin_lib.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c index 46c9cbd..c2fa100 100644 --- a/frontend/plugin_lib.c +++ b/frontend/plugin_lib.c @@ -35,6 +35,7 @@ static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp; static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec; static float vsps_cur; static int plugin_skip_advice; +static int vsync_usec_time; // P.E.Op.S. extern int UseFrameSkip; extern float fps_skip; @@ -121,8 +122,18 @@ void *pl_fbdev_flip(void) int pl_fbdev_open(void) { + struct timeval now; + pl_fbdev_buf = vout_fbdev_flip(layer_fb); omap_enable_layer(1); + + // try to align redraws to vsync + vout_fbdev_wait_vsync(layer_fb); + gettimeofday(&now, 0); + vsync_usec_time = now.tv_usec; + while (vsync_usec_time >= pl_frame_interval) + vsync_usec_time -= pl_frame_interval; + return 0; } @@ -184,7 +195,7 @@ void pl_frame_limit(void) static struct timeval tv_old, tv_expect; static int vsync_cnt_prev; struct timeval now; - int diff; + int diff, usadj; vsync_cnt++; @@ -227,6 +238,11 @@ void pl_frame_limit(void) //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval); tv_expect = now; diff = 0; + // try to align with vsync + usadj = vsync_usec_time; + while (usadj < tv_expect.tv_usec - pl_frame_interval) + usadj += pl_frame_interval; + tv_expect.tv_usec = usadj; } if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) { |