Add helpers and defines for the NTP-64 and NTP-56 header extensions.
libgstrtpinclude_HEADERS = gstrtpbuffer.h \
gstrtcpbuffer.h \
gstrtppayloads.h \
+ gstrtphdrext.h \
gstrtpbaseaudiopayload.h \
gstrtpbasepayload.h \
gstrtpbasedepayload.h
libgstrtp_@GST_API_VERSION@_la_SOURCES = gstrtpbuffer.c \
gstrtcpbuffer.c \
gstrtppayloads.c \
+ gstrtphdrext.c \
gstrtpbaseaudiopayload.c \
gstrtpbasepayload.c \
gstrtpbasedepayload.c
* @GST_RTCP_RTPFB_TYPE_TMMBR: Temporary Maximum Media Stream Bit Rate Request
* @GST_RTCP_RTPFB_TYPE_TMMBN: Temporary Maximum Media Stream Bit Rate
* Notification
+ * @GST_RTCP_RTPFB_TYPE_RTCP_SR_SEQ: Request an SR packet for early
+ * synchronization
* @GST_RTCP_PSFB_TYPE_PLI: Picture Loss Indication
* @GST_RTCP_PSFB_TYPE_SLI: Slice Loss Indication
* @GST_RTCP_PSFB_TYPE_RPSI: Reference Picture Selection Indication
typedef enum
{
/* generic */
- GST_RTCP_FB_TYPE_INVALID = 0,
+ GST_RTCP_FB_TYPE_INVALID = 0,
/* RTPFB types */
- GST_RTCP_RTPFB_TYPE_NACK = 1,
+ GST_RTCP_RTPFB_TYPE_NACK = 1,
/* RTPFB types assigned in RFC 5104 */
- GST_RTCP_RTPFB_TYPE_TMMBR = 3,
- GST_RTCP_RTPFB_TYPE_TMMBN = 4,
+ GST_RTCP_RTPFB_TYPE_TMMBR = 3,
+ GST_RTCP_RTPFB_TYPE_TMMBN = 4,
+ /* RTPFB types assigned in RFC 6051 */
+ GST_RTCP_RTPFB_TYPE_RCTP_SR_REQ = 5,
/* PSFB types */
- GST_RTCP_PSFB_TYPE_PLI = 1,
- GST_RTCP_PSFB_TYPE_SLI = 2,
- GST_RTCP_PSFB_TYPE_RPSI = 3,
- GST_RTCP_PSFB_TYPE_AFB = 15,
+ GST_RTCP_PSFB_TYPE_PLI = 1,
+ GST_RTCP_PSFB_TYPE_SLI = 2,
+ GST_RTCP_PSFB_TYPE_RPSI = 3,
+ GST_RTCP_PSFB_TYPE_AFB = 15,
/* PSFB types assigned in RFC 5104 */
- GST_RTCP_PSFB_TYPE_FIR = 4,
- GST_RTCP_PSFB_TYPE_TSTR = 5,
- GST_RTCP_PSFB_TYPE_TSTN = 6,
- GST_RTCP_PSFB_TYPE_VBCN = 7,
+ GST_RTCP_PSFB_TYPE_FIR = 4,
+ GST_RTCP_PSFB_TYPE_TSTR = 5,
+ GST_RTCP_PSFB_TYPE_TSTN = 6,
+ GST_RTCP_PSFB_TYPE_VBCN = 7,
} GstRTCPFBType;
/**
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2012> Wim Taymans <wim.taymans@gmail.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:gstrtpexthdr
+ * @short_description: Helper methods for dealing with RTP header extensions
+ * @see_also: #GstRTPBasePayload, #GstRTPBaseDepayload, gstrtpbuffer
+ *
+ * <refsect2>
+ * <para>
+ * </para>
+ * </refsect2>
+ *
+ * Last reviewed on 2012-09-24 (1.0)
+ */
+
+#include "gstrtphdrext.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * gst_rtp_hdrext_set_ntp_64:
+ * @data: the data to write to
+ * @size: the size of @data
+ * @ntptime: the NTP time
+ *
+ * Writes the NTP time in @ntptime to the format required for the NTP-64 header
+ * extension. @data must hold at least #GST_RTP_HDREXT_NTP_64_SIZE bytes.
+ *
+ * Returns: %TRUE on success.
+ */
+gboolean
+gst_rtp_hdrext_set_ntp_64 (gpointer data, guint size, guint64 ntptime)
+{
+ g_return_val_if_fail (data != NULL, FALSE);
+ g_return_val_if_fail (size >= GST_RTP_HDREXT_NTP_64_SIZE, FALSE);
+
+ GST_WRITE_UINT64_BE (data, ntptime);
+
+ return TRUE;
+}
+
+/**
+ * gst_rtp_hdrext_get_ntp_64:
+ * @data: the data to read from
+ * @size: the size of @data
+ * @ntptime: the result NTP time
+ *
+ * Reads the NTP time from the @size NTP-64 extension bytes in @data and store the
+ * result in @ntptime.
+ *
+ * Returns: %TRUE on success.
+ */
+gboolean
+gst_rtp_hdrext_get_ntp_64 (gpointer data, guint size, guint64 * ntptime)
+{
+ g_return_val_if_fail (data != NULL, FALSE);
+ g_return_val_if_fail (size >= GST_RTP_HDREXT_NTP_64_SIZE, FALSE);
+
+ if (ntptime)
+ *ntptime = GST_READ_UINT64_BE (data);
+
+ return TRUE;
+}
+
+/**
+ * gst_rtp_hdrext_set_ntp_56:
+ * @data: the data to write to
+ * @size: the size of @data
+ * @ntptime: the NTP time
+ *
+ * Writes the NTP time in @ntptime to the format required for the NTP-56 header
+ * extension. @data must hold at least #GST_RTP_HDREXT_NTP_56_SIZE bytes.
+ *
+ * Returns: %TRUE on success.
+ */
+gboolean
+gst_rtp_hdrext_set_ntp_56 (gpointer data, guint size, guint64 ntptime)
+{
+ guint8 *d = data;
+ gint i;
+
+ g_return_val_if_fail (data != NULL, FALSE);
+ g_return_val_if_fail (size >= GST_RTP_HDREXT_NTP_56_SIZE, FALSE);
+
+ for (i = 0; i < 7; i++) {
+ d[6 - i] = ntptime & 0xff;
+ ntptime >>= 8;
+ }
+ return TRUE;
+}
+
+/**
+ * gst_rtp_hdrext_get_ntp_56:
+ * @data: the data to read from
+ * @size: the size of @data
+ * @ntptime: the result NTP time
+ *
+ * Reads the NTP time from the @size NTP-56 extension bytes in @data and store the
+ * result in @ntptime.
+ *
+ * Returns: %TRUE on success.
+ */
+gboolean
+gst_rtp_hdrext_get_ntp_56 (gpointer data, guint size, guint64 * ntptime)
+{
+ guint8 *d = data;
+
+ g_return_val_if_fail (data != NULL, FALSE);
+ g_return_val_if_fail (size >= GST_RTP_HDREXT_NTP_56_SIZE, FALSE);
+
+ if (ntptime) {
+ gint i;
+
+ *ntptime = 0;
+ for (i = 0; i < 7; i++) {
+ *ntptime |= d[6 - i];
+ *ntptime <<= 8;
+ }
+ }
+ return TRUE;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2012> Wim Taymans <wim.taymans@gmail.com>
+ *
+ * gstrtphdrext.h: RTP header extensions
+ *
+ * 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_H__
+#define __GST_RTPHDREXT_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstrtpbuffer.h>
+
+G_BEGIN_DECLS
+
+#define GST_RTP_HDREXT_BASE "urn:ietf:params:rtp-hdrext:"
+
+/* RFC 6051 */
+#define GST_RTP_HDREXT_NTP_64 "ntp-64"
+
+#define GST_RTP_HDREXT_NTP_64_SIZE 8
+
+gboolean gst_rtp_hdrext_set_ntp_64 (gpointer data, guint size, guint64 ntptime);
+gboolean gst_rtp_hdrext_get_ntp_64 (gpointer data, guint size, guint64 *ntptime);
+
+#define GST_RTP_HDREXT_NTP_56 "ntp-56"
+
+#define GST_RTP_HDREXT_NTP_56_SIZE 7
+
+gboolean gst_rtp_hdrext_set_ntp_56 (gpointer data, guint size, guint64 ntptime);
+gboolean gst_rtp_hdrext_get_ntp_56 (gpointer data, guint size, guint64 *ntptime);
+
+G_END_DECLS
+
+#endif /* __GST_RTPHDREXT_H__ */
+
projects / platform / upstream / gst-plugins-base.git / commitdiff