yair/gst-plugin-linescan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

videolevels: Fix handling of interval for deciding when to auto adjust

Browse Source
This commit is contained in:
Joshua M. Doe 2010-04-23 16:08:00 -04:00
parent 97b2e8be4c
commit 0b181e7417
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
gst/gstvideolevels.c
View File

@ -311,7 +311,7 @@ gst_videolevels_set_property (GObject * object, guint prop_id,
break;
case PROP_INTERVAL:
videolevels->interval = g_value_get_uint64 (value);
videolevels->last_auto_timestamp = 0;
videolevels->last_auto_timestamp = GST_CLOCK_TIME_NONE;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -556,7 +556,7 @@ gst_videolevels_transform (GstBaseTransform * base, GstBuffer * inbuf,
gpointer input;
gpointer output;
gboolean ret;
guint64 elapsed;
GstClockTimeDiff elapsed;
/* We need to lock our videolevels params to prevent segfaults */
GST_BASE_TRANSFORM_LOCK (videolevels);
@ -569,9 +569,10 @@ gst_videolevels_transform (GstBaseTransform * base, GstBuffer * inbuf,
videolevels->auto_adjust = 0;
}
else if (videolevels->auto_adjust == 2) {
elapsed = GST_BUFFER_TIMESTAMP (inbuf) - videolevels->last_auto_timestamp;
if (elapsed >= videolevels->interval ||
videolevels->last_auto_timestamp == GST_CLOCK_TIME_NONE) {
elapsed = GST_CLOCK_DIFF (videolevels->last_auto_timestamp, inbuf->timestamp);
if (videolevels->last_auto_timestamp == GST_CLOCK_TIME_NONE ||
elapsed >= (GstClockTimeDiff)videolevels->interval ||
elapsed < 0) {
gst_videolevels_auto_adjust (videolevels, input);
videolevels->last_auto_timestamp = GST_BUFFER_TIMESTAMP (inbuf);
}