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rtputils: Count metas with an empty tag list for copying/keeping

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The GstMetaInfos registered in core do not set their tags to NULL, but
instead use an empty list (non-NULL list with a single NULL value).
Let's check explicitly for that so as to not miss some metas.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/779>
This commit is contained in:
Arun Raghavan 2020-10-22 09:17:26 -04:00
parent 27ecd2c30d
commit b4a713ff2d
1 changed files with 3 additions and 2 deletions
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5
gst/rtp/gstrtputils.c
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@ -39,7 +39,7 @@ foreach_metadata_copy (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
const GstMetaInfo *info = (*meta)->info;
const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
if (info->transform_func && (!tags || (copy_tag != 0
if (info->transform_func && (!tags || !tags[0] || (copy_tag != 0
&& g_strv_length ((gchar **) tags) == 1
&& gst_meta_api_type_has_tag (info->api, copy_tag)))) {
GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
@ -94,7 +94,8 @@ foreach_metadata_drop (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
const GstMetaInfo *info = (*meta)->info;
const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
if (!tags || (keep_tag != 0 && g_strv_length ((gchar **) tags) == 1
if (!tags || !tags[0] || (keep_tag != 0
&& g_strv_length ((gchar **) tags) == 1
&& gst_meta_api_type_has_tag (info->api, keep_tag))) {
GST_DEBUG_OBJECT (element, "keeping metadata %s", g_type_name (info->api));
} else {