Add the beginnings of a generic GStreamer buffers payloader.
gstrtpceltpay.c \
gstrtpdvdepay.c \
gstrtpdvpay.c \
+ gstrtpgstdepay.c \
+ gstrtpgstpay.c \
gstrtpilbcdepay.c \
gstrtpilbcpay.c \
gstrtpmpadepay.c \
gstrtpdvpay.h \
gstrtpamrdepay.h \
gstrtpamrpay.h \
+ gstrtpgstdepay.h \
+ gstrtpgstpay.h \
gstrtpilbcdepay.h \
gstrtpilbcpay.h \
gstrtppcmadepay.h \
#include "gstrtpceltpay.h"
#include "gstrtpdvdepay.h"
#include "gstrtpdvpay.h"
+#include "gstrtpgstdepay.h"
+#include "gstrtpgstpay.h"
#include "gstrtpilbcdepay.h"
#include "gstrtpilbcpay.h"
#include "gstrtppcmupay.h"
if (!gst_rtp_dv_pay_plugin_init (plugin))
return FALSE;
+ if (!gst_rtp_gst_depay_plugin_init (plugin))
+ return FALSE;
+
+ if (!gst_rtp_gst_pay_plugin_init (plugin))
+ return FALSE;
+
if (!gst_rtp_ilbc_pay_plugin_init (plugin))
return FALSE;
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <gst/rtp/gstrtpbuffer.h>
+
+#include <string.h>
+#include "gstrtpgstdepay.h"
+
+GST_DEBUG_CATEGORY_STATIC (rtpgstdepay_debug);
+#define GST_CAT_DEFAULT (rtpgstdepay_debug)
+
+static GstStaticPadTemplate gst_rtp_gst_depay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate gst_rtp_gst_depay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"application\", "
+ "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
+ "clock-rate = (int) 90000, " "encoding-name = (string) \"X-GST\"")
+ );
+
+GST_BOILERPLATE (GstRtpGSTDepay, gst_rtp_gst_depay, GstBaseRTPDepayload,
+ GST_TYPE_BASE_RTP_DEPAYLOAD);
+
+static void gst_rtp_gst_depay_finalize (GObject * object);
+
+static gboolean gst_rtp_gst_depay_setcaps (GstBaseRTPDepayload * depayload,
+ GstCaps * caps);
+static GstBuffer *gst_rtp_gst_depay_process (GstBaseRTPDepayload * depayload,
+ GstBuffer * buf);
+
+static void
+gst_rtp_gst_depay_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_gst_depay_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_gst_depay_sink_template));
+
+ gst_element_class_set_details_simple (element_class,
+ "GStreamer depayloader", "Codec/Depayloader/Network",
+ "Extracts GStreamer buffers from RTP packets",
+ "Wim Taymans <wim.taymans@gmail.com>");
+}
+
+static void
+gst_rtp_gst_depay_class_init (GstRtpGSTDepayClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
+
+ gobject_class->finalize = gst_rtp_gst_depay_finalize;
+
+ gstbasertpdepayload_class->set_caps = gst_rtp_gst_depay_setcaps;
+ gstbasertpdepayload_class->process = gst_rtp_gst_depay_process;
+
+ GST_DEBUG_CATEGORY_INIT (rtpgstdepay_debug, "rtpgstdepay", 0,
+ "Gstreamer RTP Depayloader");
+}
+
+static void
+gst_rtp_gst_depay_init (GstRtpGSTDepay * rtpgstdepay,
+ GstRtpGSTDepayClass * klass)
+{
+ rtpgstdepay->adapter = gst_adapter_new ();
+}
+
+static void
+gst_rtp_gst_depay_finalize (GObject * object)
+{
+ GstRtpGSTDepay *rtpgstdepay;
+
+ rtpgstdepay = GST_RTP_GST_DEPAY (object);
+
+ g_object_unref (rtpgstdepay->adapter);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_rtp_gst_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
+{
+ GstRtpGSTDepay *rtpgstdepay;
+ GstStructure *structure;
+ GstCaps *outcaps;
+ gint clock_rate;
+ gboolean res;
+ const gchar *capsenc;
+ gchar *capsstr;
+
+ rtpgstdepay = GST_RTP_GST_DEPAY (depayload);
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
+ clock_rate = 90000;
+ depayload->clock_rate = clock_rate;
+
+ capsenc = gst_structure_get_string (structure, "caps");
+ if (capsenc) {
+ gsize out_len;
+
+ capsstr = (gchar *) g_base64_decode (capsenc, &out_len);
+ outcaps = gst_caps_from_string (capsstr);
+ g_free (capsstr);
+
+ /* we have the SDP caps as output caps */
+ rtpgstdepay->current_CV = 0;
+ } else {
+ outcaps = gst_caps_new_any ();
+ }
+ res = gst_pad_set_caps (depayload->srcpad, outcaps);
+ gst_caps_unref (outcaps);
+
+ return res;
+}
+
+static GstBuffer *
+gst_rtp_gst_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
+{
+ GstRtpGSTDepay *rtpgstdepay;
+ GstBuffer *subbuf, *outbuf = NULL;
+ gint payload_len;
+ guint8 *payload;
+ guint16 frag_offset;
+ guint CV;
+
+ rtpgstdepay = GST_RTP_GST_DEPAY (depayload);
+
+ payload_len = gst_rtp_buffer_get_payload_len (buf);
+
+ if (payload_len <= 8)
+ goto empty_packet;
+
+ if (GST_BUFFER_IS_DISCONT (buf)) {
+ GST_WARNING_OBJECT (rtpgstdepay, "DISCONT, clear adapter");
+ gst_adapter_clear (rtpgstdepay->adapter);
+ }
+
+ payload = gst_rtp_buffer_get_payload (buf);
+
+ /* strip off header
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |C| CV |D|X|Y|Z| MBZ |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Frag_offset |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ frag_offset =
+ (payload[4] << 24) | (payload[5] << 16) | (payload[6] << 8) | payload[7];
+
+ /* subbuffer skipping the 8 header bytes */
+ subbuf = gst_rtp_buffer_get_payload_subbuffer (buf, 8, -1);
+ gst_adapter_push (rtpgstdepay->adapter, subbuf);
+
+ if (gst_rtp_buffer_get_marker (buf)) {
+ guint avail;
+ GstCaps *outcaps;
+
+ /* take the buffer */
+ avail = gst_adapter_available (rtpgstdepay->adapter);
+ outbuf = gst_adapter_take_buffer (rtpgstdepay->adapter, avail);
+
+ CV = (payload[0] >> 4) & 0x7;
+
+ if (payload[0] & 0x80) {
+ guint b, csize, size, offset;
+ guint8 *data;
+ GstBuffer *subbuf;
+
+ /* C bit, we have inline caps */
+ data = GST_BUFFER_DATA (outbuf);
+ size = GST_BUFFER_SIZE (outbuf);
+
+ /* start reading the length, we need this to skip to the data later */
+ csize = offset = 0;
+ do {
+ if (offset >= size)
+ goto too_small;
+ b = data[offset++];
+ csize = (csize << 7) | (b & 0x7f);
+ } while (b & 0x80);
+
+ if (size < csize)
+ goto too_small;
+
+ /* parse and store in cache */
+ outcaps = gst_caps_from_string ((gchar *) & data[offset]);
+ if (rtpgstdepay->CV_cache[CV])
+ gst_caps_unref (rtpgstdepay->CV_cache[CV]);
+ rtpgstdepay->CV_cache[CV] = outcaps;
+
+ /* skip caps */
+ offset += csize;
+ size -= csize;
+
+ GST_DEBUG_OBJECT (rtpgstdepay,
+ "inline caps %u, length %u, %" GST_PTR_FORMAT, CV, csize, outcaps);
+
+ /* create real data buffer when needed */
+ if (size)
+ subbuf = gst_buffer_create_sub (outbuf, offset, size);
+ else
+ subbuf = NULL;
+
+ gst_buffer_unref (outbuf);
+ outbuf = subbuf;
+ }
+
+ /* see what caps we need */
+ if (CV != rtpgstdepay->current_CV) {
+ /* we need to switch caps, check if we have the caps */
+ if ((outcaps = rtpgstdepay->CV_cache[CV]) == NULL)
+ goto missing_caps;
+
+ GST_DEBUG_OBJECT (rtpgstdepay,
+ "need caps switch from %u to %u, %" GST_PTR_FORMAT,
+ rtpgstdepay->current_CV, CV, outcaps);
+
+ /* and set caps */
+ if (gst_pad_set_caps (depayload->srcpad, outcaps))
+ rtpgstdepay->current_CV = CV;
+ }
+
+ if (outbuf) {
+ if (payload[0] & 0x8)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
+ if (payload[0] & 0x4)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MEDIA1);
+ if (payload[0] & 0x2)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MEDIA2);
+ if (payload[0] & 0x1)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_MEDIA3);
+ }
+ }
+ return outbuf;
+
+ /* ERRORS */
+empty_packet:
+ {
+ GST_ELEMENT_WARNING (rtpgstdepay, STREAM, DECODE,
+ ("Empty Payload."), (NULL));
+ return NULL;
+ }
+too_small:
+ {
+ GST_ELEMENT_WARNING (rtpgstdepay, STREAM, DECODE,
+ ("Buffer too small."), (NULL));
+ if (outbuf)
+ gst_buffer_unref (outbuf);
+ return NULL;
+ }
+missing_caps:
+ {
+ GST_ELEMENT_WARNING (rtpgstdepay, STREAM, DECODE,
+ ("Missing caps %u.", CV), (NULL));
+ if (outbuf)
+ gst_buffer_unref (outbuf);
+ return NULL;
+ }
+}
+
+gboolean
+gst_rtp_gst_depay_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpgstdepay",
+ GST_RANK_MARGINAL, GST_TYPE_RTP_GST_DEPAY);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> 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.
+ */
+
+#ifndef __GST_RTP_GST_DEPAY_H__
+#define __GST_RTP_GST_DEPAY_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+#include <gst/rtp/gstbasertpdepayload.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_RTP_GST_DEPAY \
+ (gst_rtp_gst_depay_get_type())
+#define GST_RTP_GST_DEPAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GST_DEPAY,GstRtpGSTDepay))
+#define GST_RTP_GST_DEPAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GST_DEPAY,GstRtpGSTDepayClass))
+#define GST_IS_RTP_GST_DEPAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GST_DEPAY))
+#define GST_IS_RTP_GST_DEPAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GST_DEPAY))
+
+typedef struct _GstRtpGSTDepay GstRtpGSTDepay;
+typedef struct _GstRtpGSTDepayClass GstRtpGSTDepayClass;
+
+struct _GstRtpGSTDepay
+{
+ GstBaseRTPDepayload depayload;
+
+ GstAdapter *adapter;
+ guint current_CV;
+ GstCaps *CV_cache[8];
+};
+
+struct _GstRtpGSTDepayClass
+{
+ GstBaseRTPDepayloadClass parent_class;
+};
+
+GType gst_rtp_gst_depay_get_type (void);
+
+gboolean gst_rtp_gst_depay_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_GST_DEPAY_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <string.h>
+
+#include <gst/rtp/gstrtpbuffer.h>
+
+#include "gstrtpgstpay.h"
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |C| CV |D|X|Y|Z| MBZ |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Frag_offset |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ * C: caps inlined flag
+ * When C set, first part of payload contains caps definition. Caps definition
+ * starts with variable length length prefix and then a string of that length.
+ * the length is encoded in big endian 7 bit chunks, the top 1 bit of a byte
+ * is the continuation marker and the 7 next bits the data. A continuation
+ * marker of 1 means that the next byte contains more data.
+ *
+ * CV: caps version, 0 = caps from SDP, 1 - 7 inlined caps
+ * D: delta unit buffer
+ * X: media 1 flag
+ * Y: media 2 flag
+ * Z: media 3 flag
+ *
+ *
+ */
+
+static GstStaticPadTemplate gst_rtp_gst_pay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate gst_rtp_gst_pay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"application\", "
+ "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
+ "clock-rate = (int) 90000, " "encoding-name = (string) \"X-GST\"")
+ );
+
+static void gst_rtp_gst_pay_finalize (GObject * object);
+
+static gboolean gst_rtp_gst_pay_setcaps (GstBaseRTPPayload * payload,
+ GstCaps * caps);
+static GstFlowReturn gst_rtp_gst_pay_handle_buffer (GstBaseRTPPayload * payload,
+ GstBuffer * buffer);
+
+GST_BOILERPLATE (GstRtpGSTPay, gst_rtp_gst_pay, GstBaseRTPPayload,
+ GST_TYPE_BASE_RTP_PAYLOAD)
+
+ static void gst_rtp_gst_pay_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_gst_pay_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtp_gst_pay_sink_template));
+
+ gst_element_class_set_details_simple (element_class,
+ "RTP GStreamer payloader", "Codec/Payloader/Network",
+ "Payload GStreamer buffers as RTP packets",
+ "Wim Taymans <wim.taymans@gmail.com>");
+}
+
+static void
+gst_rtp_gst_pay_class_init (GstRtpGSTPayClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstBaseRTPPayloadClass *gstbasertppayload_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
+
+ gobject_class->finalize = gst_rtp_gst_pay_finalize;
+
+ gstbasertppayload_class->set_caps = gst_rtp_gst_pay_setcaps;
+ gstbasertppayload_class->handle_buffer = gst_rtp_gst_pay_handle_buffer;
+}
+
+static void
+gst_rtp_gst_pay_init (GstRtpGSTPay * rtpgstpay, GstRtpGSTPayClass * klass)
+{
+}
+
+static void
+gst_rtp_gst_pay_finalize (GObject * object)
+{
+ GstRtpGSTPay *rtpgstpay;
+
+ rtpgstpay = GST_RTP_GST_PAY (object);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_rtp_gst_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
+{
+ gboolean res;
+ gchar *capsstr, *capsenc;
+
+ capsstr = gst_caps_to_string (caps);
+ capsenc = g_base64_encode ((guchar *) capsstr, strlen (capsstr));
+ g_free (capsstr);
+
+ gst_basertppayload_set_options (payload, "application", TRUE, "X-GST", 90000);
+ res =
+ gst_basertppayload_set_outcaps (payload, "caps", G_TYPE_STRING, capsenc,
+ NULL);
+ g_free (capsenc);
+
+ return res;
+}
+
+static GstFlowReturn
+gst_rtp_gst_pay_handle_buffer (GstBaseRTPPayload * basepayload,
+ GstBuffer * buffer)
+{
+ GstRtpGSTPay *rtpgstpay;
+ guint8 *data;
+ guint size;
+ GstBuffer *outbuf;
+ GstFlowReturn ret;
+ GstClockTime timestamp;
+ guint16 frag_offset;
+ guint flags;
+
+ rtpgstpay = GST_RTP_GST_PAY (basepayload);
+
+ size = GST_BUFFER_SIZE (buffer);
+ data = GST_BUFFER_DATA (buffer);
+ timestamp = GST_BUFFER_TIMESTAMP (buffer);
+
+ ret = GST_FLOW_OK;
+
+ /* caps always from SDP for now */
+ flags = 0;
+ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT))
+ flags |= (1 << 3);
+ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_MEDIA1))
+ flags |= (1 << 2);
+ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_MEDIA2))
+ flags |= (1 << 1);
+ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_MEDIA3))
+ flags |= (1 << 0);
+
+ /*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |C| CV |D|X|Y|Z| MBZ |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Frag_offset |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ frag_offset = 0;
+
+ while (size > 0) {
+ guint towrite;
+ guint8 *payload;
+ guint payload_len;
+ guint packet_len;
+
+ /* this will be the total lenght of the packet */
+ packet_len = gst_rtp_buffer_calc_packet_len (8 + size, 0, 0);
+
+ /* fill one MTU or all available bytes */
+ towrite = MIN (packet_len, GST_BASE_RTP_PAYLOAD_MTU (rtpgstpay));
+
+ /* this is the payload length */
+ payload_len = gst_rtp_buffer_calc_payload_len (towrite, 0, 0);
+
+ /* create buffer to hold the payload */
+ outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0);
+ payload = gst_rtp_buffer_get_payload (outbuf);
+
+ payload[0] = flags;
+ payload[1] = payload[2] = payload[3] = 0;
+ payload[4] = frag_offset >> 24;
+ payload[5] = frag_offset >> 16;
+ payload[6] = frag_offset >> 8;
+ payload[7] = frag_offset & 0xff;
+
+ payload += 8;
+ payload_len -= 8;
+
+ memcpy (payload, data, payload_len);
+
+ data += payload_len;
+ size -= payload_len;
+ frag_offset += payload_len;
+
+ if (size == 0)
+ gst_rtp_buffer_set_marker (outbuf, TRUE);
+
+ GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
+
+ ret = gst_basertppayload_push (basepayload, outbuf);
+ }
+
+ return ret;
+}
+
+gboolean
+gst_rtp_gst_pay_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpgstpay",
+ GST_RANK_NONE, GST_TYPE_RTP_GST_PAY);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> 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.
+ */
+
+#ifndef __GST_RTP_GST_PAY_H__
+#define __GST_RTP_GST_PAY_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstbasertppayload.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_RTP_GST_PAY \
+ (gst_rtp_gst_pay_get_type())
+#define GST_RTP_GST_PAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GST_PAY,GstRtpGSTPay))
+#define GST_RTP_GST_PAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GST_PAY,GstRtpGSTPayClass))
+#define GST_IS_RTP_GST_PAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GST_PAY))
+#define GST_IS_RTP_GST_PAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GST_PAY))
+
+typedef struct _GstRtpGSTPay GstRtpGSTPay;
+typedef struct _GstRtpGSTPayClass GstRtpGSTPayClass;
+
+struct _GstRtpGSTPay
+{
+ GstBaseRTPPayload payload;
+};
+
+struct _GstRtpGSTPayClass
+{
+ GstBaseRTPPayloadClass parent_class;
+};
+
+GType gst_rtp_gst_pay_get_type (void);
+
+gboolean gst_rtp_gst_pay_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_GST_PAY_H__ */
projects / platform / upstream / gstreamer.git / commitdiff