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camerabin: handle preview-caps only in image mode and only when they change

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This prevents camerabin to create preview pipeline every time when
application re-sets the same caps again.
This commit is contained in:
Tommi Myöhänen 2009-08-27 14:35:26 +03:00 committed by René Stadler
parent 99f1f4510a
commit 0d48f73532
1 changed files with 17 additions and 5 deletions
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22
gst/camerabin/gstcamerabin.c
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@ -2891,11 +2891,23 @@ gst_camerabin_set_property (GObject * object, guint prop_id,
} }
break; break;
case ARG_PREVIEW_CAPS: case ARG_PREVIEW_CAPS:
GST_OBJECT_LOCK (camera); /* Currently camerabin only provides preview for images, so we don't
gst_caps_replace (&camera->preview_caps, * even handle video mode */
(GstCaps *) gst_value_get_caps (value)); if (camera->mode == MODE_IMAGE) {
GST_OBJECT_UNLOCK (camera); GstCaps *new_caps = NULL;
gst_camerabin_preview_create_pipeline (camera);
new_caps = (GstCaps *) gst_value_get_caps (value);
GST_DEBUG_OBJECT (camera,
"setting preview caps: %" GST_PTR_FORMAT " -> %" GST_PTR_FORMAT,
camera->preview_caps, new_caps);
if (!gst_caps_is_equal (camera->preview_caps, new_caps)) {
GST_OBJECT_LOCK (camera);
gst_caps_replace (&camera->preview_caps, new_caps);
GST_OBJECT_UNLOCK (camera);
gst_camerabin_preview_create_pipeline (camera);
}
}
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);