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videoconvert: use base class new vmethods

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Use the base class filter_meta to proxy all metadata upstream.
Use the base class transform_meta to let it copy all non-colorspace dependent
metadata.
This commit is contained in:
Wim Taymans 2012-03-02 17:35:40 +01:00
parent 1ede067d27
commit abca785f0f
1 changed files with 30 additions and 0 deletions
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30
gst/videoconvert/gstvideoconvert.c
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@ -158,6 +158,14 @@ gst_video_convert_fixate_caps (GstBaseTransform * trans,
return result;
}
static gboolean
gst_video_convert_filter_meta (GstBaseTransform * trans, GstQuery * query,
GType api)
{
/* propose all metadata upstream */
return TRUE;
}
/* The caps can be transformed into any other caps with format info removed.
* However, we should prefer passthrough, so if passthrough is possible,
* put it first in the list. */
@ -185,6 +193,24 @@ gst_video_convert_transform_caps (GstBaseTransform * btrans,
return result;
}
static gboolean
gst_video_convert_transform_meta (GstBaseTransform * trans, GstBuffer * outbuf,
GstMeta * meta, GstBuffer * inbuf)
{
const GstMetaInfo *info = meta->info;
gboolean ret;
if (gst_meta_api_type_has_tag (info->api, _colorspace_quark)) {
/* don't copy colorspace specific metadata, FIXME, we need a MetaTransform
* for the colorspace metadata. */
ret = FALSE;
} else {
/* copy other metadata */
ret = TRUE;
}
return ret;
}
static gboolean
gst_video_convert_set_info (GstVideoFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
@ -348,6 +374,10 @@ gst_video_convert_class_init (GstVideoConvertClass * klass)
GST_DEBUG_FUNCPTR (gst_video_convert_transform_caps);
gstbasetransform_class->fixate_caps =
GST_DEBUG_FUNCPTR (gst_video_convert_fixate_caps);
gstbasetransform_class->filter_meta =
GST_DEBUG_FUNCPTR (gst_video_convert_filter_meta);
gstbasetransform_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_video_convert_transform_meta);
gstbasetransform_class->passthrough_on_same_caps = TRUE;