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va: basetransform: Copy the interested meta data for importing

Browse source 
The current way of using parent's copy_metadata() virtual function will
selectively filter out some meta such as crop meta. That virtual function
should be used when copying input buffer's meta data into output buffer,
not suitable when importing the input buffer.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4887>
This commit is contained in:
He Junyan 2023-06-20 23:42:35 +08:00 committed by GStreamer Marge Bot
parent ff2a75a2dd
commit 759857c203
1 changed files with 63 additions and 4 deletions
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67
subprojects/gst-plugins-bad/sys/va/gstvabasetransform.c
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@ -40,6 +40,15 @@ enum
static GParamSpec *properties[N_PROPERTIES];
#define META_TAG_COLORSPACE meta_tag_colorspace_quark
static GQuark meta_tag_colorspace_quark;
#define META_TAG_SIZE meta_tag_size_quark
static GQuark meta_tag_size_quark;
#define META_TAG_ORIENTATION meta_tag_orientation_quark
static GQuark meta_tag_orientation_quark;
#define META_TAG_VIDEO meta_tag_video_quark
static GQuark meta_tag_video_quark;
struct _GstVaBaseTransformPrivate
{
GstVideoInfo srcpad_info;
@ -622,6 +631,15 @@ gst_va_base_transform_class_init (GstVaBaseTransformClass * klass)
GstElementClass *element_class;
GstBaseTransformClass *trans_class;
#define D(type) \
G_PASTE (META_TAG_, type) = \
g_quark_from_static_string (G_PASTE (G_PASTE (GST_META_TAG_VIDEO_, type), _STR))
D (COLORSPACE);
D (SIZE);
D (ORIENTATION);
#undef D
META_TAG_VIDEO = g_quark_from_static_string (GST_META_TAG_VIDEO_STR);
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
trans_class = GST_BASE_TRANSFORM_CLASS (klass);
@ -893,6 +911,43 @@ _try_import_buffer (GstVaBaseTransform * self, GstBuffer * inbuf)
return ret;
}
typedef struct
{
GstVaBaseTransform *self;
GstBuffer *outbuf;
} CopyMetaData;
static gboolean
foreach_metadata (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
{
CopyMetaData *data = user_data;
GstVaBaseTransform *self = data->self;
GstBuffer *outbuf = data->outbuf;
const GstMetaInfo *info = (*meta)->info;
gboolean do_copy = FALSE;
if (gst_meta_api_type_has_tag (info->api, META_TAG_COLORSPACE)
|| gst_meta_api_type_has_tag (info->api, META_TAG_SIZE)
|| gst_meta_api_type_has_tag (info->api, META_TAG_ORIENTATION)
|| gst_meta_api_type_has_tag (info->api, META_TAG_VIDEO)) {
do_copy = TRUE;
}
if (do_copy) {
GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
/* simply copy then */
if (info->transform_func) {
GST_DEBUG_OBJECT (self, "copy metadata %s", g_type_name (info->api));
info->transform_func (outbuf, *meta, inbuf,
_gst_meta_transform_copy, &copy_data);
} else {
GST_DEBUG_OBJECT (self, "couldn't copy metadata %s",
g_type_name (info->api));
}
}
return TRUE;
}
GstFlowReturn
gst_va_base_transform_import_buffer (GstVaBaseTransform * self,
GstBuffer * inbuf, GstBuffer ** buf)
@ -902,6 +957,7 @@ gst_va_base_transform_import_buffer (GstVaBaseTransform * self,
GstFlowReturn ret;
GstVideoFrame in_frame, out_frame;
gboolean imported, copied;
CopyMetaData data;
g_return_val_if_fail (GST_IS_VA_BASE_TRANSFORM (self), GST_FLOW_ERROR);
@ -940,10 +996,13 @@ gst_va_base_transform_import_buffer (GstVaBaseTransform * self,
if (!copied)
goto invalid_buffer;
/* copy metadata, default implemenation of baseclass will copy everything
* what we need */
GST_BASE_TRANSFORM_CLASS (parent_class)->copy_metadata
(GST_BASE_TRANSFORM_CAST (self), inbuf, buffer);
gst_buffer_copy_into (buffer, inbuf,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
data.self = self;
data.outbuf = buffer;
gst_buffer_foreach_meta (inbuf, foreach_metadata, &data);
*buf = buffer;