diff options
Diffstat (limited to 'sys/v4l2/gstv4l2src.c')
| -rw-r--r-- | sys/v4l2/gstv4l2src.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c index 2f0fef9ee..463bef3a6 100644 --- a/sys/v4l2/gstv4l2src.c +++ b/sys/v4l2/gstv4l2src.c @@ -916,20 +916,22 @@ gst_v4l2src_create (GstPushSrc * src, GstBuffer ** buf) GST_OBJECT_UNLOCK (v4l2src); if (clock) { - GstClockTime latency; - /* the time now is the time of the clock minus the base time */ timestamp = gst_clock_get_time (clock) - timestamp; gst_object_unref (clock); - latency = - gst_util_uint64_scale_int (GST_SECOND, v4l2src->fps_d, - v4l2src->fps_n); + /* if we have a framerate adjust timestamp for frame latency */ + if (v4l2src->fps_n > 0 && v4l2src->fps_d > 0) { + GstClockTime latency; + + latency = gst_util_uint64_scale_int (GST_SECOND, v4l2src->fps_d, + v4l2src->fps_n); - if (timestamp > latency) - timestamp -= latency; - else - timestamp = 0; + if (timestamp > latency) + timestamp -= latency; + else + timestamp = 0; + } } /* FIXME: use the timestamp from the buffer itself! */ |