diff options
Diffstat (limited to 'gst/videosignal/gstvideomark.c')
| -rw-r--r-- | gst/videosignal/gstvideomark.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/gst/videosignal/gstvideomark.c b/gst/videosignal/gstvideomark.c index da2daa07..f73d618e 100644 --- a/gst/videosignal/gstvideomark.c +++ b/gst/videosignal/gstvideomark.c @@ -68,6 +68,8 @@ #define DEFAULT_PATTERN_DATA_COUNT 5 #define DEFAULT_PATTERN_DATA 10 #define DEFAULT_ENABLED TRUE +#define DEFAULT_LEFT_OFFSET 0 +#define DEFAULT_BOTTOM_OFFSET 0 enum { @@ -77,7 +79,9 @@ enum PROP_PATTERN_COUNT, PROP_PATTERN_DATA_COUNT, PROP_PATTERN_DATA, - PROP_ENABLED + PROP_ENABLED, + PROP_LEFT_OFFSET, + PROP_BOTTOM_OFFSET }; GST_DEBUG_CATEGORY_STATIC (video_mark_debug); @@ -171,7 +175,8 @@ gst_video_mark_420 (GstVideoMark * videomark, GstBuffer * buffer) for (i = 0; i < videomark->pattern_count; i++) { d = data; /* move to start of bottom left */ - d += stride * (height - ph); + d += stride * (height - ph - videomark->bottom_offset) + + videomark->left_offset; /* move to i-th pattern */ d += pw * i; @@ -190,8 +195,11 @@ gst_video_mark_420 (GstVideoMark * videomark, GstBuffer * buffer) /* get the data of the pattern */ for (i = 0; i < videomark->pattern_data_count; i++) { d = data; - /* move to start of bottom left, after the pattern */ - d += stride * (height - ph) + (videomark->pattern_count * pw); + /* move to start of bottom left, adjust for offsets */ + d += stride * (height - ph - videomark->bottom_offset) + + videomark->left_offset; + /* move after the fixed pattern */ + d += (videomark->pattern_count * pw); /* move to i-th pattern data */ d += pw * i; @@ -247,6 +255,12 @@ gst_video_mark_set_property (GObject * object, guint prop_id, case PROP_ENABLED: videomark->enabled = g_value_get_boolean (value); break; + case PROP_LEFT_OFFSET: + videomark->left_offset = g_value_get_int (value); + break; + case PROP_BOTTOM_OFFSET: + videomark->bottom_offset = g_value_get_int (value); + break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; @@ -280,6 +294,12 @@ gst_video_mark_get_property (GObject * object, guint prop_id, GValue * value, case PROP_ENABLED: g_value_set_boolean (value, videomark->enabled); break; + case PROP_LEFT_OFFSET: + g_value_set_int (value, videomark->left_offset); + break; + case PROP_BOTTOM_OFFSET: + g_value_set_int (value, videomark->bottom_offset); + break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; @@ -337,6 +357,16 @@ gst_video_mark_class_init (gpointer klass, gpointer class_data) g_param_spec_boolean ("enabled", "Enabled", "Enable or disable the filter", DEFAULT_ENABLED, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (gobject_class, PROP_LEFT_OFFSET, + g_param_spec_int ("left-offset", "Left Offset", + "The offset from the left border where the pattern starts", 0, + G_MAXINT, DEFAULT_LEFT_OFFSET, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); + g_object_class_install_property (gobject_class, PROP_BOTTOM_OFFSET, + g_param_spec_int ("bottom-offset", "Bottom Offset", + "The offset from the bottom border where the pattern starts", 0, + G_MAXINT, DEFAULT_BOTTOM_OFFSET, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_mark_set_caps); trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_video_mark_transform_ip); |