rtp: add SMPTE 336M KLV metadata depayloader

http://tools.ietf.org/html/rfc6597

1 files changed, 64 insertions, 0 deletions

diff --git a/gst/rtp/gstrtpklvdepay.h b/gst/rtp/gstrtpklvdepay.h
new file mode 100644
index 000000000..4fb7003dd
--- /dev/null
+++ b/gst/rtp/gstrtpklvdepay.h
@@ -0,0 +1,64 @@
+/* GStreamer RTP KLV Depayloader
+ * Copyright (C) 2014-2015 Tim-Philipp Müller <tim@centricular.com>>
+ * Copyright (C) 2014-2015 Centricular Ltd
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_RTP_KLV_DEPAY_H__
+#define __GST_RTP_KLV_DEPAY_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+#include <gst/rtp/gstrtpbasedepayload.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_RTP_KLV_DEPAY \
+  (gst_rtp_klv_depay_get_type())
+#define GST_RTP_KLV_DEPAY(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_KLV_DEPAY,GstRtpKlvDepay))
+#define GST_RTP_KLV_DEPAY_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_KLV_DEPAY,GstRtpKlvDepayClass))
+#define GST_IS_RTP_KLV_DEPAY(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_KLV_DEPAY))
+#define GST_IS_RTP_KLV_DEPAY_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_KLV_DEPAY))
+
+typedef struct _GstRtpKlvDepay GstRtpKlvDepay;
+typedef struct _GstRtpKlvDepayClass GstRtpKlvDepayClass;
+
+struct _GstRtpKlvDepay
+{
+  GstRTPBaseDepayload depayload;
+
+  GstAdapter *adapter;
+  gboolean    resync;
+  gint64      last_rtp_ts;   /* -1 if unset, otherwise 0-G_MAXUINT32 */
+};
+
+struct _GstRtpKlvDepayClass
+{
+  GstRTPBaseDepayloadClass parent_class;
+};
+
+G_GNUC_INTERNAL GType     gst_rtp_klv_depay_get_type (void);
+
+G_GNUC_INTERNAL gboolean  gst_rtp_klv_depay_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_KLV_DEPAY_H__ */