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Diffstat (limited to 'pjmedia/src/pjmedia-videodev/dshow_dev.c')
-rw-r--r--pjmedia/src/pjmedia-videodev/dshow_dev.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/pjmedia/src/pjmedia-videodev/dshow_dev.c b/pjmedia/src/pjmedia-videodev/dshow_dev.c
index 30fd0ccb..85a1375d 100644
--- a/pjmedia/src/pjmedia-videodev/dshow_dev.c
+++ b/pjmedia/src/pjmedia-videodev/dshow_dev.c
@@ -769,10 +769,13 @@ static pj_status_t create_filter_graph(pjmedia_dir dir,
video_info->bmiHeader.biWidth = vfd->size.w;
video_info->bmiHeader.biHeight = vfd->size.h;
}
- if (!use_def_fps && vfd->fps.num != 0)
+ if (video_info->AvgTimePerFrame == 0 ||
+ (!use_def_fps && vfd->fps.num != 0))
+ {
video_info->AvgTimePerFrame = (LONGLONG) (10000000 *
(double)vfd->fps.denum /
vfd->fps.num);
+ }
video_info->bmiHeader.biSizeImage = DIBSIZE(video_info->bmiHeader);
mediatype->lSampleSize = DIBSIZE(video_info->bmiHeader);
if (graph->csource_filter)