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gstanalytics: Add transform function to copy the tensor meta

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8825>
This commit is contained in:
Santosh Mahto 2025-04-10 11:22:29 +05:30 committed by GStreamer Marge Bot
parent 57e8dbfeb4
commit 700b665bf7
2 changed files with 32 additions and 1 deletions
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29
subprojects/gst-plugins-bad/gst-libs/gst/analytics/gsttensormeta.c
View File

@ -22,6 +22,33 @@
#include "gsttensormeta.h"
static gboolean
gst_tensor_meta_transform (GstBuffer * dest, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data)
{
GstTensorMeta *dmeta, *smeta;
smeta = (GstTensorMeta *) meta;
if (GST_META_TRANSFORM_IS_COPY (type)) {
smeta = (GstTensorMeta *) meta;
dmeta = gst_buffer_add_tensor_meta (dest);
if (!dmeta)
return FALSE;
GST_TRACE ("copy tensor metadata");
dmeta->num_tensors = smeta->num_tensors;
dmeta->tensors = g_new (GstTensor *, smeta->num_tensors);
for (int i = 0; i < smeta->num_tensors; i++) {
dmeta->tensors[i] = gst_tensor_copy (smeta->tensors[i]);
}
} else {
GST_WARNING ("gst_tensor_meta_transform: transform type %u not supported",
type);
return FALSE;
}
return TRUE;
}
static gboolean
gst_tensor_meta_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
{
@ -80,7 +107,7 @@ gst_tensor_meta_get_info (void)
sizeof (GstTensorMeta),
gst_tensor_meta_init,
gst_tensor_meta_free,
NULL); /* tensor_meta_transform not implemented */
gst_tensor_meta_transform);
g_once_init_leave (&tmeta_info, meta);
}
return tmeta_info;

4
subprojects/gstreamer/gst/gstbuffer.c
View File

@ -718,6 +718,10 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
"failed to copy meta %p of API type %s", meta,
g_type_name (info->api));
}
} else {
GST_CAT_WARNING (GST_CAT_BUFFER,
"No transform function for meta %p of API type %s\n", (void *) meta,
g_type_name (info->api));
}
}
}