[vlc-commits] v4l2: avoid a pair of nested loops if frame rate is constant
Rémi Denis-Courmont
git at videolan.org
Mon Apr 9 18:36:45 CEST 2012
vlc | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Sat Apr 7 22:54:10 2012 +0300| [1bb938e4d9c600cf5caabf6a93cefec333e33cdc] | committer: Rémi Denis-Courmont
v4l2: avoid a pair of nested loops if frame rate is constant
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=1bb938e4d9c600cf5caabf6a93cefec333e33cdc
---
modules/access/v4l2/video.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/modules/access/v4l2/video.c b/modules/access/v4l2/video.c
index c75bc2f..7afa68a 100644
--- a/modules/access/v4l2/video.c
+++ b/modules/access/v4l2/video.c
@@ -926,6 +926,12 @@ int SetupFormat (vlc_object_t *obj, int fd, uint32_t fourcc,
msg_Dbg (obj, " with %"PRIu32"x%"PRIu32" steps",
fse.stepwise.step_width, fse.stepwise.step_height);
+ if (!(parm->parm.capture.capability & V4L2_CAP_TIMEPERFRAME))
+ { /* Frame rate is constant, lets maximize resolution */
+ fmt->fmt.pix.width = fse.stepwise.max_width;
+ fmt->fmt.pix.height = fse.stepwise.max_height;
+ }
+ else
/* FIXME: slow and dumb */
for (uint32_t width = fse.stepwise.min_width;
width <= fse.stepwise.max_width;
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