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gst/videobox/gstvideobox.c: support dynamically changing properties in videobox

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Original commit message from CVS:
* gst/videobox/gstvideobox.c:
support dynamically changing properties in videobox
Fixed: #557085
Patch By: Wim Taymans <wim.taymans@collabora.co.uk>
This commit is contained in:
Wim Taymans 2008-10-21 12:38:35 +00:00 committed by Jan Schmidt
parent a39bf9ad08
commit 8508561fcc
3 changed files with 27 additions and 29 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2008-10-21 Jan Schmidt <jan.schmidt@sun.com>
* gst/videobox/gstvideobox.c:
support dynamically changing properties in videobox
Fixed: #557085
Patch By: Wim Taymans <wim.taymans@collabora.co.uk>
2008-10-16 Jan Schmidt <jan.schmidt@sun.com>
* configure.ac:

2
common

@ -1 +1 @@
Subproject commit 46eefd2f8474ee748864c59635be87b5a29317d1
Subproject commit 2802bb17517a6cfbbb1be6da61ec19151be0750b

47
gst/videobox/gstvideobox.c
View file

@ -133,7 +133,6 @@ static void gst_video_box_set_property (GObject * object, guint prop_id,
static void gst_video_box_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean video_box_recalc_transform (GstVideoBox * video_box);
static GstCaps *gst_video_box_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * from);
static gboolean gst_video_box_set_caps (GstBaseTransform * trans,
@ -304,7 +303,7 @@ gst_video_box_set_property (GObject * object, guint prop_id,
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
video_box_recalc_transform (video_box);
GST_DEBUG_OBJECT (video_box, "Calling reconfigure");
gst_base_transform_reconfigure (GST_BASE_TRANSFORM (video_box));
GST_BASE_TRANSFORM_UNLOCK (GST_BASE_TRANSFORM_CAST (video_box));
}
@ -374,7 +373,7 @@ gst_video_box_transform_caps (GstBaseTransform * trans,
if (width <= 0)
width = 1;
GST_DEBUG ("New caps width: %d", width);
GST_DEBUG_OBJECT (trans, "New caps width: %d", width);
gst_structure_set (structure, "width", G_TYPE_INT, width, NULL);
}
@ -390,7 +389,7 @@ gst_video_box_transform_caps (GstBaseTransform * trans,
if (height <= 0)
height = 1;
GST_DEBUG ("New caps height: %d", height);
GST_DEBUG_OBJECT (trans, "New caps height: %d", height);
gst_structure_set (structure, "height", G_TYPE_INT, height, NULL);
}
@ -407,26 +406,6 @@ gst_video_box_transform_caps (GstBaseTransform * trans,
return ret;
}
static gboolean
video_box_recalc_transform (GstVideoBox * video_box)
{
gboolean res = TRUE;
/* if we have the same format in and out and we don't need to perform and
* cropping at all, we can just operate in passthorugh mode */
if (video_box->in_fourcc == video_box->out_fourcc &&
video_box->box_left == 0 && video_box->box_right == 0 &&
video_box->box_top == 0 && video_box->box_bottom == 0) {
GST_LOG_OBJECT (video_box, "we are using passthrough");
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (video_box), TRUE);
} else {
GST_LOG_OBJECT (video_box, "we are not using passthrough");
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (video_box), FALSE);
}
return res;
}
static gboolean
gst_video_box_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
{
@ -450,11 +429,23 @@ gst_video_box_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
if (!ret)
goto no_caps;
GST_DEBUG ("Input w: %d h: %d", video_box->in_width, video_box->in_height);
GST_DEBUG ("Output w: %d h: %d", video_box->out_width, video_box->out_height);
GST_DEBUG_OBJECT (trans, "Input w: %d h: %d", video_box->in_width,
video_box->in_height);
GST_DEBUG_OBJECT (trans, "Output w: %d h: %d", video_box->out_width,
video_box->out_height);
/* recalc the transformation strategy */
ret = video_box_recalc_transform (video_box);
/* if we have the same format in and out and we don't need to perform and
* cropping at all, we can just operate in passthorugh mode */
if (video_box->in_fourcc == video_box->out_fourcc &&
video_box->box_left == 0 && video_box->box_right == 0 &&
video_box->box_top == 0 && video_box->box_bottom == 0) {
GST_LOG_OBJECT (video_box, "we are using passthrough");
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (video_box), TRUE);
} else {
GST_LOG_OBJECT (video_box, "we are not using passthrough");
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (video_box), FALSE);
}
return ret;