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

videolevels: add some debug statements and comments

Browse Source
This commit is contained in:
Joshua M. Doe 2012-06-14 08:27:50 -04:00
parent 07975dbe56
commit 50e316fa3a
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gst/videoadjust/gstvideolevels.c
View File

@ -549,6 +549,8 @@ gst_videolevels_transform (GstBaseTransform * base, GstBuffer * inbuf,
gboolean ret;
GstClockTimeDiff elapsed;
GST_DEBUG_OBJECT (videolevels, "Performing non-inplace transform");
/* We need to lock our videolevels params to prevent segfaults */
GST_BASE_TRANSFORM_LOCK (videolevels);
@ -556,11 +558,13 @@ gst_videolevels_transform (GstBaseTransform * base, GstBuffer * inbuf,
output = GST_BUFFER_DATA (outbuf);
if (videolevels->auto_adjust == 1) {
GST_DEBUG_OBJECT (videolevels, "Auto adjusting levels (once)");
gst_videolevels_auto_adjust (videolevels, input);
videolevels->auto_adjust = 0;
g_object_notify (G_OBJECT (videolevels), "auto");
}
else if (videolevels->auto_adjust == 2) {
GST_DEBUG_OBJECT (videolevels, "Auto adjusting levels (every %d ns)", videolevels->interval);
elapsed = GST_CLOCK_DIFF (videolevels->last_auto_timestamp, inbuf->timestamp);
if (videolevels->last_auto_timestamp == GST_CLOCK_TIME_NONE ||
elapsed >= (GstClockTimeDiff)videolevels->interval ||
@ -694,6 +698,7 @@ gst_videolevels_calculate_tables (GstVideoLevels * videolevels)
#define GINT_CLAMP(x, low, high) ((gint)(CLAMP((x),(low),(high))))
#define GUINT8_CLAMP(x, low, high) ((guint8)(CLAMP((x),(low),(high))))
/* TODO: use orc */
void
gst_videolevels_convert_uint16le_to_uint8(GstVideoLevels * videolevels,
guint16 * in, guint8 * out)
@ -724,6 +729,7 @@ gst_videolevels_convert_uint16le_to_uint8(GstVideoLevels * videolevels,
out[i] = GUINT8_CLAMP (m * GUINT16_FROM_LE (in[i]) + b, low_out, high_out);
}
/* TODO: use orc */
void
gst_videolevels_convert_uint16be_to_uint8(GstVideoLevels * videolevels,
guint16 * in, guint8 * out)