Both for regular RID and for adding on a repaired (RTX) etc stream.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1759>
},
"rank": "marginal"
},
+ "rtphdrextrepairedstreamid": {
+ "RTP-Header-Extension-URI": "urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id",
+ "author": "Matthew Waters <matthew@centricular.com>",
+ "description": "Extends RTP packets to add or retrieve a RepairedStreamId (RID) value as specified in RFC8852",
+ "hierarchy": [
+ "GstRTPHeaderExtensionRepairedStreamId",
+ "GstRTPHeaderExtension",
+ "GstElement",
+ "GstObject",
+ "GInitiallyUnowned",
+ "GObject"
+ ],
+ "klass": "Network/Extension/RTPHeader",
+ "long-name": "RTP Header Extension Repaired RFC8852 Stream ID",
+ "properties": {
+ "rid": {
+ "blurb": "The RepairedRtpStreamId (RID) value last read or to write from/to RTP buffers",
+ "conditionally-available": false,
+ "construct": false,
+ "construct-only": false,
+ "controllable": false,
+ "default": "NULL",
+ "mutable": "null",
+ "readable": true,
+ "type": "gchararray",
+ "writable": true
+ }
+ },
+ "rank": "marginal"
+ },
+ "rtphdrextstreamid": {
+ "RTP-Header-Extension-URI": "urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id",
+ "author": "Matthew Waters <matthew@centricular.com>",
+ "description": "Extends RTP packets to add or retrieve a RtpStreamId (RID) value as specified in RFC8852",
+ "hierarchy": [
+ "GstRTPHeaderExtensionStreamId",
+ "GstRTPHeaderExtension",
+ "GstElement",
+ "GstObject",
+ "GInitiallyUnowned",
+ "GObject"
+ ],
+ "klass": "Network/Extension/RTPHeader",
+ "long-name": "RTP Header Extension RFC8852 Stream ID",
+ "properties": {
+ "rid": {
+ "blurb": "The RtpStreamId (RID) value last read or to write from/to RTP buffers",
+ "conditionally-available": false,
+ "construct": false,
+ "construct-only": false,
+ "controllable": false,
+ "default": "NULL",
+ "mutable": "null",
+ "readable": true,
+ "type": "gchararray",
+ "writable": true
+ }
+ },
+ "rank": "marginal"
+ },
"rtphdrexttwcc": {
"RTP-Header-Extension-URI": "http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01",
"author": "Matthew Waters <matthew@centricular.com>",
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2021> Matthew Waters <matthew@centricular.com>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * SECTION:element-rtphdrextrepairedstreamid
+ * @title: rtphdrextrepairedstreamid
+ * @short_description: RTP SDES Header Extension for RFC8852 RepairedRtpStreamId
+ * Extension
+ * @see_also: #GstRTPHeaderExtension, #GstRTPBasePayload, #GstRTPBaseDepayload, gstrtpbuffer
+ *
+ * Since: 1.22
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/rtp/gstrtpbuffer.h>
+
+#include "gstrtphdrext-repairedstreamid.h"
+
+GST_DEBUG_CATEGORY_STATIC (rtphdrext_repaired_stream_id_debug);
+#define GST_CAT_DEFAULT (rtphdrext_repaired_stream_id_debug)
+
+#define REPAIRED_RID_EXTMAP_STR GST_RTP_HDREXT_BASE "sdes:repaired-rtp-stream-id"
+
+enum
+{
+ PROP_0,
+ PROP_RID,
+};
+
+struct _GstRTPHeaderExtensionRepairedStreamId
+{
+ GstRTPHeaderExtension parent;
+
+ char *rid;
+};
+
+#define gst_rtp_header_extension_repaired_stream_id_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (GstRTPHeaderExtensionRepairedStreamId,
+ gst_rtp_header_extension_repaired_stream_id,
+ GST_TYPE_RTP_HEADER_EXTENSION, GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT,
+ "rtphdrextrepairedstreamid", 0,
+ "RTP RFC8852 RepairedRtpStreamId Header Extensions");
+ );
+GST_ELEMENT_REGISTER_DEFINE (rtphdrextrepairedstreamid,
+ "rtphdrextrepairedstreamid", GST_RANK_MARGINAL,
+ GST_TYPE_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID);
+
+static GstRTPHeaderExtensionFlags
+ gst_rtp_header_extension_repaired_stream_id_get_supported_flags
+ (GstRTPHeaderExtension * ext)
+{
+ GstRTPHeaderExtensionRepairedStreamId *self =
+ GST_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (ext);
+ GstRTPHeaderExtensionFlags flags =
+ GST_RTP_HEADER_EXTENSION_ONE_BYTE | GST_RTP_HEADER_EXTENSION_TWO_BYTE;
+ gssize rid_len = -1;
+
+ GST_OBJECT_LOCK (ext);
+ if (self->rid)
+ rid_len = strlen (self->rid);
+ GST_OBJECT_UNLOCK (ext);
+ /* One byte extensions only support [1, 16] bytes */
+ if (rid_len > 16)
+ flags = GST_RTP_HEADER_EXTENSION_TWO_BYTE;
+
+ return flags;
+}
+
+static gsize
+ gst_rtp_header_extension_repaired_stream_id_get_max_size
+ (GstRTPHeaderExtension * ext, const GstBuffer * buffer)
+{
+ if (gst_rtp_header_extension_repaired_stream_id_get_supported_flags
+ (ext) & GST_RTP_HEADER_EXTENSION_ONE_BYTE)
+ return 16;
+ else
+ return 255;
+}
+
+static gssize
+gst_rtp_header_extension_repaired_stream_id_write (GstRTPHeaderExtension
+ * ext, const GstBuffer * input_meta, GstRTPHeaderExtensionFlags write_flags,
+ GstBuffer * output, guint8 * data, gsize size)
+{
+ GstRTPHeaderExtensionRepairedStreamId *self =
+ GST_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (ext);
+ gsize len = 0;
+
+ g_return_val_if_fail (size >=
+ gst_rtp_header_extension_repaired_stream_id_get_max_size (ext, NULL), -1);
+ g_return_val_if_fail (write_flags &
+ gst_rtp_header_extension_repaired_stream_id_get_supported_flags
+ (ext), -1);
+
+ GST_OBJECT_LOCK (ext);
+ if (!self->rid) {
+ GST_LOG_OBJECT (self, "no rid to write");
+ goto out;
+ }
+
+ /* TODO: we don't need to always add rid, we can selectively omit it from e.g.
+ * non-video-keyframes or some percentage of the produced frames, e.g. RFC8852
+ * mentions possibly using packet-loss as a indication of how often to add rid
+ * to packets */
+ GST_LOG_OBJECT (self, "writing rid \'%s\'", self->rid);
+ len = strlen (self->rid);
+ if ((write_flags & GST_RTP_HEADER_EXTENSION_TWO_BYTE) == 0 && len > 16) {
+ GST_DEBUG_OBJECT (self, "cannot write a rid of size %" G_GSIZE_FORMAT
+ " without using the two byte extension format", len);
+ len = 0;
+ goto out;
+ }
+ if (len > 0) {
+ GST_LOG_OBJECT (self, "writing rid \'%s\'", self->rid);
+ memcpy (data, self->rid, len);
+ }
+
+out:
+ GST_OBJECT_UNLOCK (ext);
+ return len;
+}
+
+static gboolean
+gst_rtp_header_extension_repaired_stream_id_read (GstRTPHeaderExtension
+ * ext, GstRTPHeaderExtensionFlags read_flags, const guint8 * data,
+ gsize size, GstBuffer * buffer)
+{
+ GstRTPHeaderExtensionRepairedStreamId *self =
+ GST_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (ext);
+ gboolean notify = FALSE;
+
+ if (!data || size == 0)
+ return TRUE;
+
+ if (read_flags & GST_RTP_HEADER_EXTENSION_ONE_BYTE && (size < 1 || size > 16)) {
+ GST_ERROR_OBJECT (ext,
+ "one-byte header extensions must be between 1 and 16 bytes inculusive");
+ return FALSE;
+ }
+
+ GST_OBJECT_LOCK (self);
+ if (!self->rid || strncmp ((const char *) data, self->rid, size) != 0) {
+ g_clear_pointer (&self->rid, g_free);
+ self->rid = g_strndup ((const char *) data, size);
+ notify = TRUE;
+ }
+ GST_OBJECT_UNLOCK (self);
+
+ if (notify)
+ g_object_notify ((GObject *) self, "rid");
+
+ return TRUE;
+}
+
+static void
+gst_rtp_header_extension_repaired_stream_id_get_property (GObject *
+ object, guint prop_id, GValue * value, GParamSpec * pspec)
+{
+ GstRTPHeaderExtensionRepairedStreamId *self =
+ GST_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (object);
+
+ switch (prop_id) {
+ case PROP_RID:
+ GST_OBJECT_LOCK (self);
+ g_value_set_string (value, self->rid);
+ GST_OBJECT_UNLOCK (self);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+validate_rid (const char *rid)
+{
+ const char *iter;
+
+ /* For avoidance of doubt, the only allowed byte values for
+ * these IDs are decimal 48 through 57, 65 through 90, and 97 through
+ * 122.
+ */
+ for (iter = rid; iter && iter[0]; iter++) {
+ if (iter[0] < 48)
+ return FALSE;
+ if (iter[0] > 122)
+ return FALSE;
+ if (iter[0] > 57 && iter[0] < 65)
+ return FALSE;
+ if (iter[0] > 90 && iter[0] < 97)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_rtp_header_extension_repaired_stream_id_set_property (GObject *
+ object, guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+ GstRTPHeaderExtensionRepairedStreamId *self =
+ GST_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (object);
+
+ switch (prop_id) {
+ case PROP_RID:{
+ const char *rid;
+ GST_OBJECT_LOCK (self);
+ rid = g_value_get_string (value);
+ if (!validate_rid (rid)) {
+ GST_WARNING_OBJECT (self, "Could not set rid \'%s\'. Validation failed",
+ rid);
+ } else {
+ g_clear_pointer (&self->rid, g_free);
+ self->rid = g_strdup (rid);
+ }
+ GST_OBJECT_UNLOCK (self);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_rtp_header_extension_repaired_stream_id_finalize (GObject * object)
+{
+ GstRTPHeaderExtensionRepairedStreamId *self =
+ GST_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (object);
+
+ g_clear_pointer (&self->rid, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+ gst_rtp_header_extension_repaired_stream_id_class_init
+ (GstRTPHeaderExtensionRepairedStreamIdClass * klass)
+{
+ GstRTPHeaderExtensionClass *rtp_hdr_class;
+ GstElementClass *gstelement_class;
+ GObjectClass *gobject_class;
+
+ rtp_hdr_class = (GstRTPHeaderExtensionClass *) klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->set_property =
+ gst_rtp_header_extension_repaired_stream_id_set_property;
+ gobject_class->get_property =
+ gst_rtp_header_extension_repaired_stream_id_get_property;
+ gobject_class->finalize =
+ gst_rtp_header_extension_repaired_stream_id_finalize;
+
+ /**
+ * rtphdrextrepairedstreamid:rid:
+ *
+ * The RepairedRtpStreamID (RID) value either last retrieved from the RTP
+ * Header extension, or to set on outgoing RTP packets.
+ *
+ * Since: 1.22
+ */
+ g_object_class_install_property (gobject_class, PROP_RID,
+ g_param_spec_string ("rid", "rid",
+ "The RepairedRtpStreamId (RID) value last read or to write from/to "
+ "RTP buffers", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ rtp_hdr_class->get_supported_flags =
+ gst_rtp_header_extension_repaired_stream_id_get_supported_flags;
+ rtp_hdr_class->get_max_size =
+ gst_rtp_header_extension_repaired_stream_id_get_max_size;
+ rtp_hdr_class->write = gst_rtp_header_extension_repaired_stream_id_write;
+ rtp_hdr_class->read = gst_rtp_header_extension_repaired_stream_id_read;
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "RTP Header Extension Repaired RFC8852 Stream ID",
+ GST_RTP_HDREXT_ELEMENT_CLASS,
+ "Extends RTP packets to add or retrieve a RepairedStreamId (RID) "
+ "value as specified in RFC8852",
+ "Matthew Waters <matthew@centricular.com>");
+ gst_rtp_header_extension_class_set_uri (rtp_hdr_class,
+ REPAIRED_RID_EXTMAP_STR);
+}
+
+static void
+ gst_rtp_header_extension_repaired_stream_id_init
+ (GstRTPHeaderExtensionRepairedStreamId * self)
+{
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2021 Matthew Waters <matthew@centricular.com>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_RTPHDREXT_REPAIRED_STREAM_ID_H__
+#define __GST_RTPHDREXT_REPAIRED_STREAM_ID_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstrtphdrext.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID (gst_rtp_header_extension_repaired_stream_id_get_type())
+
+G_DECLARE_FINAL_TYPE (GstRTPHeaderExtensionRepairedStreamId, gst_rtp_header_extension_repaired_stream_id, GST, RTP_HEADER_EXTENSION_REPAIRED_STREAM_ID, GstRTPHeaderExtension);
+
+GST_ELEMENT_REGISTER_DECLARE (rtphdrextrepairedstreamid);
+
+G_END_DECLS
+
+#endif /* __GST_RTPHDREXT_REPAIRED_STREAM_ID_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2021> Matthew Waters <matthew@centricular.com>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * SECTION:element-rtphdrextstreamid
+ * @title: rtphdrextstreamid
+ * @short_description: RTP SDES Header Extension for RFC8852 RtpStreamId
+ * Extension
+ * @see_also: #GstRTPHeaderExtension, #GstRTPBasePayload, #GstRTPBaseDepayload, gstrtpbuffer
+ *
+ * Since: 1.22
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/rtp/gstrtpbuffer.h>
+
+#include "gstrtphdrext-streamid.h"
+
+GST_DEBUG_CATEGORY_STATIC (rtphdrext_stream_id_debug);
+#define GST_CAT_DEFAULT (rtphdrext_stream_id_debug)
+
+#define RID_EXTMAP_STR GST_RTP_HDREXT_BASE "sdes:rtp-stream-id"
+
+enum
+{
+ PROP_0,
+ PROP_RID,
+};
+
+struct _GstRTPHeaderExtensionStreamId
+{
+ GstRTPHeaderExtension parent;
+
+ char *rid;
+};
+
+#define gst_rtp_header_extension_stream_id_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (GstRTPHeaderExtensionStreamId,
+ gst_rtp_header_extension_stream_id, GST_TYPE_RTP_HEADER_EXTENSION,
+ GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "rtphdrextstreamid", 0,
+ "RTP RFC8852 RtpStreamId Header Extensions");
+ );
+GST_ELEMENT_REGISTER_DEFINE (rtphdrextstreamid,
+ "rtphdrextstreamid", GST_RANK_MARGINAL,
+ GST_TYPE_RTP_HEADER_EXTENSION_STREAM_ID);
+
+static GstRTPHeaderExtensionFlags
+ gst_rtp_header_extension_stream_id_get_supported_flags
+ (GstRTPHeaderExtension * ext)
+{
+ GstRTPHeaderExtensionStreamId *self =
+ GST_RTP_HEADER_EXTENSION_STREAM_ID (ext);
+ GstRTPHeaderExtensionFlags flags =
+ GST_RTP_HEADER_EXTENSION_ONE_BYTE | GST_RTP_HEADER_EXTENSION_TWO_BYTE;
+ gssize rid_len = -1;
+
+ GST_OBJECT_LOCK (ext);
+ if (self->rid)
+ rid_len = strlen (self->rid);
+ GST_OBJECT_UNLOCK (ext);
+ if (rid_len > 16)
+ flags = GST_RTP_HEADER_EXTENSION_TWO_BYTE;
+
+ return flags;
+}
+
+static gsize
+gst_rtp_header_extension_stream_id_get_max_size (GstRTPHeaderExtension *
+ ext, const GstBuffer * buffer)
+{
+ if (gst_rtp_header_extension_stream_id_get_supported_flags (ext) &
+ GST_RTP_HEADER_EXTENSION_ONE_BYTE)
+ return 16;
+ else
+ return 255;
+}
+
+static gssize
+gst_rtp_header_extension_stream_id_write (GstRTPHeaderExtension * ext,
+ const GstBuffer * input_meta, GstRTPHeaderExtensionFlags write_flags,
+ GstBuffer * output, guint8 * data, gsize size)
+{
+ GstRTPHeaderExtensionStreamId *self =
+ GST_RTP_HEADER_EXTENSION_STREAM_ID (ext);
+ gsize len = 0;
+
+ g_return_val_if_fail (size >=
+ gst_rtp_header_extension_stream_id_get_max_size (ext, NULL), -1);
+ g_return_val_if_fail (write_flags &
+ gst_rtp_header_extension_stream_id_get_supported_flags (ext), -1);
+
+ GST_OBJECT_LOCK (ext);
+ if (!self->rid) {
+ GST_LOG_OBJECT (self, "no rid to write");
+ goto out;
+ }
+
+ /* TODO: we don't need to always add rid, we can selectively omit it from e.g.
+ * non-video-keyframes or some percentage of the produced frames, e.g. RFC8852
+ * mentions possibly using packet-loss as a indication of how often to add mid
+ * to packets */
+ len = strlen (self->rid);
+ if ((write_flags & GST_RTP_HEADER_EXTENSION_TWO_BYTE) == 0 && len > 16) {
+ GST_DEBUG_OBJECT (self, "cannot write a rid of size %" G_GSIZE_FORMAT
+ " without using the two byte extension format", len);
+ len = 0;
+ goto out;
+ }
+ if (len > 0) {
+ GST_LOG_OBJECT (self, "writing rid \'%s\'", self->rid);
+ memcpy (data, self->rid, len);
+ }
+
+out:
+ GST_OBJECT_UNLOCK (ext);
+ return len;
+}
+
+static gboolean
+gst_rtp_header_extension_stream_id_read (GstRTPHeaderExtension * ext,
+ GstRTPHeaderExtensionFlags read_flags, const guint8 * data, gsize size,
+ GstBuffer * buffer)
+{
+ GstRTPHeaderExtensionStreamId *self =
+ GST_RTP_HEADER_EXTENSION_STREAM_ID (ext);
+ gboolean notify = FALSE;
+
+ if (!data || size == 0)
+ return TRUE;
+
+ if (read_flags & GST_RTP_HEADER_EXTENSION_ONE_BYTE && (size < 1 || size > 16)) {
+ GST_ERROR_OBJECT (ext,
+ "one-byte header extensions must be between 1 and 16 bytes inculusive");
+ return FALSE;
+ }
+
+ GST_OBJECT_LOCK (self);
+ if (!self->rid || strncmp ((const char *) data, self->rid, size) != 0) {
+ g_clear_pointer (&self->rid, g_free);
+ self->rid = g_strndup ((const char *) data, size);
+ notify = TRUE;
+ }
+ GST_OBJECT_UNLOCK (self);
+
+ if (notify)
+ g_object_notify ((GObject *) self, "rid");
+
+ return TRUE;
+}
+
+static void
+gst_rtp_header_extension_stream_id_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
+{
+ GstRTPHeaderExtensionStreamId *self =
+ GST_RTP_HEADER_EXTENSION_STREAM_ID (object);
+
+ switch (prop_id) {
+ case PROP_RID:
+ GST_OBJECT_LOCK (self);
+ g_value_set_string (value, self->rid);
+ GST_OBJECT_UNLOCK (self);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+validate_rid (const char *rid)
+{
+ const char *iter;
+
+ /* For avoidance of doubt, the only allowed byte values for
+ * these IDs are decimal 48 through 57, 65 through 90, and 97 through
+ * 122.
+ */
+ for (iter = rid; iter && iter[0]; iter++) {
+ if (iter[0] < 48)
+ return FALSE;
+ if (iter[0] > 122)
+ return FALSE;
+ if (iter[0] > 57 && iter[0] < 65)
+ return FALSE;
+ if (iter[0] > 90 && iter[0] < 97)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_rtp_header_extension_stream_id_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+ GstRTPHeaderExtensionStreamId *self =
+ GST_RTP_HEADER_EXTENSION_STREAM_ID (object);
+
+ switch (prop_id) {
+ case PROP_RID:{
+ const char *rid;
+ GST_OBJECT_LOCK (self);
+ rid = g_value_get_string (value);
+ if (!validate_rid (rid)) {
+ GST_WARNING_OBJECT (self, "Could not set rid \'%s\'. Validation failed",
+ rid);
+ } else {
+ g_clear_pointer (&self->rid, g_free);
+ self->rid = g_strdup (rid);
+ }
+ GST_OBJECT_UNLOCK (self);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_rtp_header_extension_stream_id_finalize (GObject * object)
+{
+ GstRTPHeaderExtensionStreamId *self =
+ GST_RTP_HEADER_EXTENSION_STREAM_ID (object);
+
+ g_clear_pointer (&self->rid, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+ gst_rtp_header_extension_stream_id_class_init
+ (GstRTPHeaderExtensionStreamIdClass * klass)
+{
+ GstRTPHeaderExtensionClass *rtp_hdr_class;
+ GstElementClass *gstelement_class;
+ GObjectClass *gobject_class;
+
+ rtp_hdr_class = (GstRTPHeaderExtensionClass *) klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->set_property = gst_rtp_header_extension_stream_id_set_property;
+ gobject_class->get_property = gst_rtp_header_extension_stream_id_get_property;
+ gobject_class->finalize = gst_rtp_header_extension_stream_id_finalize;
+
+ /**
+ * rtphdrextstreamid:rid:
+ *
+ * The RtpStreamID (RID) value either last retrieved from the RTP
+ * Header extension, or to set on outgoing RTP packets.
+ *
+ * Since: 1.22
+ */
+ g_object_class_install_property (gobject_class, PROP_RID,
+ g_param_spec_string ("rid", "rid",
+ "The RtpStreamId (RID) value last read or to write from/to "
+ "RTP buffers", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ rtp_hdr_class->get_supported_flags =
+ gst_rtp_header_extension_stream_id_get_supported_flags;
+ rtp_hdr_class->get_max_size = gst_rtp_header_extension_stream_id_get_max_size;
+ rtp_hdr_class->write = gst_rtp_header_extension_stream_id_write;
+ rtp_hdr_class->read = gst_rtp_header_extension_stream_id_read;
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "RTP Header Extension RFC8852 Stream ID", GST_RTP_HDREXT_ELEMENT_CLASS,
+ "Extends RTP packets to add or retrieve a RtpStreamId (RID) "
+ "value as specified in RFC8852",
+ "Matthew Waters <matthew@centricular.com>");
+ gst_rtp_header_extension_class_set_uri (rtp_hdr_class, RID_EXTMAP_STR);
+}
+
+static void
+ gst_rtp_header_extension_stream_id_init
+ (GstRTPHeaderExtensionStreamId * self)
+{
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2021 Matthew Waters <matthew@centricular.com>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_RTPHDREXT_STREAM_ID_H__
+#define __GST_RTPHDREXT_STREAM_ID_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstrtphdrext.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_RTP_HEADER_EXTENSION_STREAM_ID (gst_rtp_header_extension_stream_id_get_type())
+
+G_DECLARE_FINAL_TYPE (GstRTPHeaderExtensionStreamId, gst_rtp_header_extension_stream_id, GST, RTP_HEADER_EXTENSION_STREAM_ID, GstRTPHeaderExtension);
+
+GST_ELEMENT_REGISTER_DECLARE (rtphdrextstreamid);
+
+G_END_DECLS
+
+#endif /* __GST_RTPHDREXT_STREAM_ID_H__ */
#include "gstrtphdrext-twcc.h"
#include "gstrtphdrext-clientaudiolevel.h"
#include "gstrtphdrext-mid.h"
+#include "gstrtphdrext-repairedstreamid.h"
+#include "gstrtphdrext-streamid.h"
static gboolean
plugin_init (GstPlugin * plugin)
ret |= GST_ELEMENT_REGISTER (rtphdrexttwcc, plugin);
ret |= GST_ELEMENT_REGISTER (rtphdrextclientaudiolevel, plugin);
ret |= GST_ELEMENT_REGISTER (rtphdrextmid, plugin);
+ ret |= GST_ELEMENT_REGISTER (rtphdrextstreamid, plugin);
+ ret |= GST_ELEMENT_REGISTER (rtphdrextrepairedstreamid, plugin);
return ret;
}
'gstrtphdrext-twcc.c',
'gstrtphdrext-clientaudiolevel.c',
'gstrtphdrext-mid.c',
+ 'gstrtphdrext-repairedstreamid.c',
+ 'gstrtphdrext-streamid.c',
'gstrtpmux.c',
'gstrtpptdemux.c',
'gstrtprtxqueue.c',
projects / platform / upstream / gstreamer.git / commitdiff