+2005-10-25 Edgard Lima <edgard.lima@indt.org.br>
+
+ * gst/rtp/Makefile.am
+ * gst/rtp/gstrtp.c
+ * gst/rtp/gstrtpg711enc.c
+ * gst/rtp/gstrtpg711enc.h
+ * gst/rtp/gstrtpg711dec.c
+ * gst/rtp/gstrtpg711dec.h
+ Created G711 payloader and depayloader (it supports mulaw and alaw
+ (dec)encoders)
+
2005-10-25 Julien MOUTTE <julien@moutte.net>
* gst/videobox/gstvideobox.c: (gst_video_box_class_init),
gstrtpdec.c \
gstrtpmpadec.c \
gstrtpmpaenc.c \
+ gstrtpg711enc.c \
+ gstrtpg711dec.c \
gstrtpgsmenc.c \
gstrtpgsmparse.c \
gstrtpamrdec.c \
gstrtpL16parse.h \
gstrtpamrdec.h \
gstrtpamrenc.h \
+ gstrtpg711enc.h \
+ gstrtpg711dec.h \
gstrtpgsmenc.h \
gstrtpgsmparse.h \
gstrtpmpadec.h \
#endif
#include "gstrtpdec.h"
+#include "gstrtpg711enc.h"
+#include "gstrtpg711dec.h"
#include "gstrtpgsmenc.h"
#include "gstrtpgsmparse.h"
#include "gstrtpamrenc.h"
if (!gst_rtpamrenc_plugin_init (plugin))
return FALSE;
+ if (!gst_rtpg711dec_plugin_init (plugin))
+ return FALSE;
+
+ if (!gst_rtpg711enc_plugin_init (plugin))
+ return FALSE;
+
if (!gst_rtpmpadec_plugin_init (plugin))
return FALSE;
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <string.h>
+#include <gst/rtp/gstrtpbuffer.h>
+#include "gstrtpg711dec.h"
+
+/* elementfactory information */
+static GstElementDetails gst_rtp_g711dec_details = {
+ "RTP packet parser",
+ "Codec/Parser/Network",
+ "Extracts PCMU/PCMA audio from RTP packets",
+ "Edgard Lima <edgard.lima@indt.org.br>"
+};
+
+/* RtpG711Dec signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ ARG_0
+};
+
+static GstStaticPadTemplate gst_rtpg711dec_sink_template =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 0, "
+ "clock-rate = (int) 8000, "
+ "encoding-name = (string) \"PCMU\"; "
+ "application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 8, "
+ "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMA\"")
+
+ );
+
+static GstStaticPadTemplate gst_rtpg711dec_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-mulaw, channels = (int) 1; "
+ "audio/x-alaw, channels = (int) 1")
+ );
+
+static void gst_rtpg711dec_class_init (GstRtpG711DecClass * klass);
+static void gst_rtpg711dec_base_init (GstRtpG711DecClass * klass);
+static void gst_rtpg711dec_init (GstRtpG711Dec * rtpg711dec);
+static gboolean gst_rtpg711dec_sink_setcaps (GstPad * pad, GstCaps * caps);
+static GstFlowReturn gst_rtpg711dec_chain (GstPad * pad, GstBuffer * buffer);
+
+static void gst_rtpg711dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_rtpg711dec_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstStateChangeReturn gst_rtpg711dec_change_state (GstElement * element,
+ GstStateChange transition);
+
+static GstElementClass *parent_class = NULL;
+
+static GType
+gst_rtpg711dec_get_type (void)
+{
+ static GType rtpg711dec_type = 0;
+
+ if (!rtpg711dec_type) {
+ static const GTypeInfo rtpg711dec_info = {
+ sizeof (GstRtpG711DecClass),
+ (GBaseInitFunc) gst_rtpg711dec_base_init,
+ NULL,
+ (GClassInitFunc) gst_rtpg711dec_class_init,
+ NULL,
+ NULL,
+ sizeof (GstRtpG711Dec),
+ 0,
+ (GInstanceInitFunc) gst_rtpg711dec_init,
+ };
+
+ rtpg711dec_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstRtpG711Dec",
+ &rtpg711dec_info, 0);
+ }
+ return rtpg711dec_type;
+}
+
+static void
+gst_rtpg711dec_base_init (GstRtpG711DecClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711dec_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711dec_sink_template));
+ gst_element_class_set_details (element_class, &gst_rtp_g711dec_details);
+}
+
+static void
+gst_rtpg711dec_class_init (GstRtpG711DecClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ gobject_class->set_property = gst_rtpg711dec_set_property;
+ gobject_class->get_property = gst_rtpg711dec_get_property;
+
+ gstelement_class->change_state = gst_rtpg711dec_change_state;
+}
+
+static void
+gst_rtpg711dec_init (GstRtpG711Dec * rtpg711dec)
+{
+ rtpg711dec->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_rtpg711dec_src_template), "src");
+ rtpg711dec->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_rtpg711dec_sink_template), "sink");
+ gst_element_add_pad (GST_ELEMENT (rtpg711dec), rtpg711dec->srcpad);
+
+ gst_pad_set_setcaps_function (rtpg711dec->sinkpad,
+ gst_rtpg711dec_sink_setcaps);
+ gst_element_add_pad (GST_ELEMENT (rtpg711dec), rtpg711dec->sinkpad);
+ gst_pad_set_chain_function (rtpg711dec->sinkpad, gst_rtpg711dec_chain);
+}
+
+static gboolean
+gst_rtpg711dec_sink_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstCaps *srccaps;
+ GstRtpG711Dec *rtpg711dec;
+ const gchar *enc_name;
+ GstStructure *structure;
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ enc_name = gst_structure_get_name (structure);
+
+ enc_name = gst_structure_get_string (structure, "encoding-name");
+
+ if (NULL == enc_name) {
+ return FALSE;
+ }
+
+ if (0 == strcmp ("PCMU", enc_name)) {
+ srccaps = gst_caps_new_simple ("audio/x-mulaw",
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
+ } else if (0 == strcmp ("PCMA", enc_name)) {
+ srccaps = gst_caps_new_simple ("audio/x-alaw",
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
+ } else {
+ return FALSE;
+ }
+
+ rtpg711dec = GST_RTP_G711_DEC (GST_OBJECT_PARENT (pad));
+
+ srccaps = gst_caps_new_simple ("audio/x-mulaw",
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
+ gst_pad_set_caps (rtpg711dec->srcpad, srccaps);
+ gst_caps_unref (srccaps);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_rtpg711dec_chain (GstPad * pad, GstBuffer * buf)
+{
+ GstRtpG711Dec *rtpg711dec;
+ GstBuffer *outbuf;
+ GstFlowReturn ret;
+
+ rtpg711dec = GST_RTP_G711_DEC (gst_pad_get_parent (pad));
+
+ if (!gst_rtpbuffer_validate (buf))
+ goto bad_packet;
+
+ {
+ gint payload_len;
+ guint8 *payload;
+ guint32 timestamp;
+ static guint32 firstTS = -1;
+
+ payload_len = gst_rtpbuffer_get_payload_len (buf);
+ payload = gst_rtpbuffer_get_payload (buf);
+
+ timestamp = gst_rtpbuffer_get_timestamp (buf);
+
+ if (firstTS == -1) {
+ firstTS = gst_rtpbuffer_get_timestamp (buf);
+ }
+ timestamp = gst_rtpbuffer_get_timestamp (buf) - firstTS;
+
+ outbuf = gst_buffer_new_and_alloc (payload_len);
+
+ GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 8000;
+
+ memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
+
+ GST_DEBUG ("pushing buffer of size %d", GST_BUFFER_SIZE (outbuf));
+
+ gst_buffer_set_caps (outbuf, GST_PAD_CAPS (rtpg711dec->srcpad));
+ gst_buffer_unref (buf);
+
+ ret = gst_pad_push (rtpg711dec->srcpad, outbuf);
+ }
+
+ return ret;
+
+bad_packet:
+ {
+ GST_DEBUG ("Packet did not validate");
+ gst_buffer_unref (buf);
+ return GST_FLOW_ERROR;
+ }
+}
+
+static void
+gst_rtpg711dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstRtpG711Dec *rtpg711dec;
+
+ rtpg711dec = GST_RTP_G711_DEC (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_rtpg711dec_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstRtpG711Dec *rtpg711dec;
+
+ rtpg711dec = GST_RTP_G711_DEC (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstStateChangeReturn
+gst_rtpg711dec_change_state (GstElement * element, GstStateChange transition)
+{
+ GstRtpG711Dec *rtpg711dec;
+ GstStateChangeReturn ret;
+
+ rtpg711dec = GST_RTP_G711_DEC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+gboolean
+gst_rtpg711dec_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpg711dec",
+ GST_RANK_NONE, GST_TYPE_RTP_G711_DEC);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+#ifndef __GST_RTP_G711_DEC_H__
+#define __GST_RTP_G711_DEC_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstRtpG711Dec GstRtpG711Dec;
+typedef struct _GstRtpG711DecClass GstRtpG711DecClass;
+
+#define GST_TYPE_RTP_G711_DEC \
+ (gst_rtpg711dec_get_type())
+#define GST_RTP_G711_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G711_DEC,GstRtpG711Dec))
+#define GST_RTP_G711_DEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G711_DEC,GstRtpG711Dec))
+#define GST_IS_RTP_G711_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G711_DEC))
+#define GST_IS_RTP_G711_DEC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G711_DEC))
+
+struct _GstRtpG711Dec
+{
+ GstElement element;
+
+ GstPad *sinkpad;
+ GstPad *srcpad;
+};
+
+struct _GstRtpG711DecClass
+{
+ GstElementClass parent_class;
+};
+
+gboolean gst_rtpg711dec_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_G711_DEC_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <string.h>
+#include <gst/rtp/gstrtpbuffer.h>
+#include "gstrtpg711dec.h"
+
+/* elementfactory information */
+static GstElementDetails gst_rtp_g711dec_details = {
+ "RTP packet parser",
+ "Codec/Parser/Network",
+ "Extracts PCMU/PCMA audio from RTP packets",
+ "Edgard Lima <edgard.lima@indt.org.br>"
+};
+
+/* RtpG711Dec signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ ARG_0
+};
+
+static GstStaticPadTemplate gst_rtpg711dec_sink_template =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 0, "
+ "clock-rate = (int) 8000, "
+ "encoding-name = (string) \"PCMU\"; "
+ "application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 8, "
+ "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMA\"")
+
+ );
+
+static GstStaticPadTemplate gst_rtpg711dec_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-mulaw, channels = (int) 1; "
+ "audio/x-alaw, channels = (int) 1")
+ );
+
+static void gst_rtpg711dec_class_init (GstRtpG711DecClass * klass);
+static void gst_rtpg711dec_base_init (GstRtpG711DecClass * klass);
+static void gst_rtpg711dec_init (GstRtpG711Dec * rtpg711dec);
+static gboolean gst_rtpg711dec_sink_setcaps (GstPad * pad, GstCaps * caps);
+static GstFlowReturn gst_rtpg711dec_chain (GstPad * pad, GstBuffer * buffer);
+
+static void gst_rtpg711dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_rtpg711dec_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstStateChangeReturn gst_rtpg711dec_change_state (GstElement * element,
+ GstStateChange transition);
+
+static GstElementClass *parent_class = NULL;
+
+static GType
+gst_rtpg711dec_get_type (void)
+{
+ static GType rtpg711dec_type = 0;
+
+ if (!rtpg711dec_type) {
+ static const GTypeInfo rtpg711dec_info = {
+ sizeof (GstRtpG711DecClass),
+ (GBaseInitFunc) gst_rtpg711dec_base_init,
+ NULL,
+ (GClassInitFunc) gst_rtpg711dec_class_init,
+ NULL,
+ NULL,
+ sizeof (GstRtpG711Dec),
+ 0,
+ (GInstanceInitFunc) gst_rtpg711dec_init,
+ };
+
+ rtpg711dec_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstRtpG711Dec",
+ &rtpg711dec_info, 0);
+ }
+ return rtpg711dec_type;
+}
+
+static void
+gst_rtpg711dec_base_init (GstRtpG711DecClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711dec_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711dec_sink_template));
+ gst_element_class_set_details (element_class, &gst_rtp_g711dec_details);
+}
+
+static void
+gst_rtpg711dec_class_init (GstRtpG711DecClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ gobject_class->set_property = gst_rtpg711dec_set_property;
+ gobject_class->get_property = gst_rtpg711dec_get_property;
+
+ gstelement_class->change_state = gst_rtpg711dec_change_state;
+}
+
+static void
+gst_rtpg711dec_init (GstRtpG711Dec * rtpg711dec)
+{
+ rtpg711dec->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_rtpg711dec_src_template), "src");
+ rtpg711dec->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_rtpg711dec_sink_template), "sink");
+ gst_element_add_pad (GST_ELEMENT (rtpg711dec), rtpg711dec->srcpad);
+
+ gst_pad_set_setcaps_function (rtpg711dec->sinkpad,
+ gst_rtpg711dec_sink_setcaps);
+ gst_element_add_pad (GST_ELEMENT (rtpg711dec), rtpg711dec->sinkpad);
+ gst_pad_set_chain_function (rtpg711dec->sinkpad, gst_rtpg711dec_chain);
+}
+
+static gboolean
+gst_rtpg711dec_sink_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstCaps *srccaps;
+ GstRtpG711Dec *rtpg711dec;
+ const gchar *enc_name;
+ GstStructure *structure;
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ enc_name = gst_structure_get_name (structure);
+
+ enc_name = gst_structure_get_string (structure, "encoding-name");
+
+ if (NULL == enc_name) {
+ return FALSE;
+ }
+
+ if (0 == strcmp ("PCMU", enc_name)) {
+ srccaps = gst_caps_new_simple ("audio/x-mulaw",
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
+ } else if (0 == strcmp ("PCMA", enc_name)) {
+ srccaps = gst_caps_new_simple ("audio/x-alaw",
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
+ } else {
+ return FALSE;
+ }
+
+ rtpg711dec = GST_RTP_G711_DEC (GST_OBJECT_PARENT (pad));
+
+ srccaps = gst_caps_new_simple ("audio/x-mulaw",
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
+ gst_pad_set_caps (rtpg711dec->srcpad, srccaps);
+ gst_caps_unref (srccaps);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_rtpg711dec_chain (GstPad * pad, GstBuffer * buf)
+{
+ GstRtpG711Dec *rtpg711dec;
+ GstBuffer *outbuf;
+ GstFlowReturn ret;
+
+ rtpg711dec = GST_RTP_G711_DEC (gst_pad_get_parent (pad));
+
+ if (!gst_rtpbuffer_validate (buf))
+ goto bad_packet;
+
+ {
+ gint payload_len;
+ guint8 *payload;
+ guint32 timestamp;
+ static guint32 firstTS = -1;
+
+ payload_len = gst_rtpbuffer_get_payload_len (buf);
+ payload = gst_rtpbuffer_get_payload (buf);
+
+ timestamp = gst_rtpbuffer_get_timestamp (buf);
+
+ if (firstTS == -1) {
+ firstTS = gst_rtpbuffer_get_timestamp (buf);
+ }
+ timestamp = gst_rtpbuffer_get_timestamp (buf) - firstTS;
+
+ outbuf = gst_buffer_new_and_alloc (payload_len);
+
+ GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 8000;
+
+ memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
+
+ GST_DEBUG ("pushing buffer of size %d", GST_BUFFER_SIZE (outbuf));
+
+ gst_buffer_set_caps (outbuf, GST_PAD_CAPS (rtpg711dec->srcpad));
+ gst_buffer_unref (buf);
+
+ ret = gst_pad_push (rtpg711dec->srcpad, outbuf);
+ }
+
+ return ret;
+
+bad_packet:
+ {
+ GST_DEBUG ("Packet did not validate");
+ gst_buffer_unref (buf);
+ return GST_FLOW_ERROR;
+ }
+}
+
+static void
+gst_rtpg711dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstRtpG711Dec *rtpg711dec;
+
+ rtpg711dec = GST_RTP_G711_DEC (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_rtpg711dec_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstRtpG711Dec *rtpg711dec;
+
+ rtpg711dec = GST_RTP_G711_DEC (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstStateChangeReturn
+gst_rtpg711dec_change_state (GstElement * element, GstStateChange transition)
+{
+ GstRtpG711Dec *rtpg711dec;
+ GstStateChangeReturn ret;
+
+ rtpg711dec = GST_RTP_G711_DEC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+gboolean
+gst_rtpg711dec_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpg711dec",
+ GST_RANK_NONE, GST_TYPE_RTP_G711_DEC);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+#ifndef __GST_RTP_G711_DEC_H__
+#define __GST_RTP_G711_DEC_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstRtpG711Dec GstRtpG711Dec;
+typedef struct _GstRtpG711DecClass GstRtpG711DecClass;
+
+#define GST_TYPE_RTP_G711_DEC \
+ (gst_rtpg711dec_get_type())
+#define GST_RTP_G711_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G711_DEC,GstRtpG711Dec))
+#define GST_RTP_G711_DEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G711_DEC,GstRtpG711Dec))
+#define GST_IS_RTP_G711_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G711_DEC))
+#define GST_IS_RTP_G711_DEC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G711_DEC))
+
+struct _GstRtpG711Dec
+{
+ GstElement element;
+
+ GstPad *sinkpad;
+ GstPad *srcpad;
+};
+
+struct _GstRtpG711DecClass
+{
+ GstElementClass parent_class;
+};
+
+gboolean gst_rtpg711dec_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_G711_DEC_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <gst/rtp/gstrtpbuffer.h>
+
+#include "gstrtpg711enc.h"
+
+/* elementfactory information */
+static GstElementDetails gst_rtpg711enc_details = {
+ "RTP packet parser",
+ "Codec/Encoder/Network",
+ "Encodes PCMU/PCMA audio into a RTP packet",
+ "Edgard Lima <edgard.lima@indt.org.br>"
+};
+
+static GstStaticPadTemplate gst_rtpg711enc_sink_template =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-mulaw, channels=(int)1, rate=(int)8000 ;"
+ "audio/x-alaw, channels=(int)1, rate=(int)8000")
+ );
+
+static GstStaticPadTemplate gst_rtpg711enc_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 0, "
+ "clock-rate = (int) 8000, "
+ "encoding-name = (string) \"PCMU\"; "
+ "application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 8, "
+ "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMA\"")
+ );
+
+
+static void gst_rtpg711enc_class_init (GstRtpG711EncClass * klass);
+static void gst_rtpg711enc_base_init (GstRtpG711EncClass * klass);
+static void gst_rtpg711enc_init (GstRtpG711Enc * rtpg711enc);
+
+static gboolean gst_rtpg711enc_setcaps (GstBaseRTPPayload * payload,
+ GstCaps * caps);
+static GstFlowReturn gst_rtpg711enc_handle_buffer (GstBaseRTPPayload * payload,
+ GstBuffer * buffer);
+
+static GstBaseRTPPayloadClass *parent_class = NULL;
+
+static GType
+gst_rtpg711enc_get_type (void)
+{
+ static GType rtpg711enc_type = 0;
+
+ if (!rtpg711enc_type) {
+ static const GTypeInfo rtpg711enc_info = {
+ sizeof (GstRtpG711EncClass),
+ (GBaseInitFunc) gst_rtpg711enc_base_init,
+ NULL,
+ (GClassInitFunc) gst_rtpg711enc_class_init,
+ NULL,
+ NULL,
+ sizeof (GstRtpG711Enc),
+ 0,
+ (GInstanceInitFunc) gst_rtpg711enc_init,
+ };
+
+ rtpg711enc_type =
+ g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpG711Enc",
+ &rtpg711enc_info, 0);
+ }
+ return rtpg711enc_type;
+}
+
+static void
+gst_rtpg711enc_base_init (GstRtpG711EncClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711enc_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711enc_src_template));
+ gst_element_class_set_details (element_class, &gst_rtpg711enc_details);
+}
+
+static void
+gst_rtpg711enc_class_init (GstRtpG711EncClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseRTPPayloadClass *gstbasertppayload_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD);
+
+ gstbasertppayload_class->set_caps = gst_rtpg711enc_setcaps;
+ gstbasertppayload_class->handle_buffer = gst_rtpg711enc_handle_buffer;
+}
+
+static void
+gst_rtpg711enc_init (GstRtpG711Enc * rtpg711enc)
+{
+}
+
+static gboolean
+gst_rtpg711enc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
+{
+
+ const char *stname;
+ GstStructure *structure;
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ stname = gst_structure_get_name (structure);
+
+ if (0 == strcmp ("audio/x-mulaw", stname)) {
+ gst_basertppayload_set_options (payload, "audio", TRUE, "PCMU", 8000);
+ } else if (0 == strcmp ("audio/x-alaw", stname)) {
+ gst_basertppayload_set_options (payload, "audio", TRUE, "PCMA", 8000);
+ } else {
+ return FALSE;
+ }
+
+ gst_basertppayload_set_outcaps (payload, NULL);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_rtpg711enc_handle_buffer (GstBaseRTPPayload * basepayload,
+ GstBuffer * buffer)
+{
+ GstRtpG711Enc *rtpg711enc;
+ guint size, payload_len;
+ GstBuffer *outbuf;
+ guint8 *payload, *data;
+ GstClockTime timestamp;
+ GstFlowReturn ret;
+
+ rtpg711enc = GST_RTP_G711_ENC (basepayload);
+
+ size = GST_BUFFER_SIZE (buffer);
+ timestamp = GST_BUFFER_TIMESTAMP (buffer);
+
+ /* FIXME, only one G711 frame per RTP packet for now */
+ payload_len = size;
+
+ outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0);
+ /* FIXME, assert for now */
+ g_assert (GST_BUFFER_SIZE (outbuf) < GST_BASE_RTP_PAYLOAD_MTU (rtpg711enc));
+
+ gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND);
+
+ /* copy timestamp */
+ GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
+ /* get payload */
+ payload = gst_rtpbuffer_get_payload (outbuf);
+
+ data = GST_BUFFER_DATA (buffer);
+
+ /* copy data in payload */
+ memcpy (&payload[0], data, size);
+
+ gst_buffer_unref (buffer);
+
+ ret = gst_basertppayload_push (basepayload, outbuf);
+
+ return ret;
+}
+
+gboolean
+gst_rtpg711enc_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpg711enc",
+ GST_RANK_NONE, GST_TYPE_RTP_G711_ENC);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+
+#ifndef __GST_RTP_G711_ENC_H__
+#define __GST_RTP_G711_ENC_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstbasertppayload.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstRtpG711Enc GstRtpG711Enc;
+typedef struct _GstRtpG711EncClass GstRtpG711EncClass;
+
+#define GST_TYPE_RTP_G711_ENC \
+ (gst_rtpg711enc_get_type())
+#define GST_RTP_G711_ENC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G711_ENC,GstRtpG711Enc))
+#define GST_RTP_G711_ENC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G711_ENC,GstRtpG711Enc))
+#define GST_IS_RTP_G711_ENC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G711_ENC))
+#define GST_IS_RTP_G711_ENC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G711_ENC))
+
+struct _GstRtpG711Enc
+{
+ GstBaseRTPPayload payload;
+
+ gint frequency;
+};
+
+struct _GstRtpG711EncClass
+{
+ GstBaseRTPPayloadClass parent_class;
+};
+
+gboolean gst_rtpg711enc_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_G711_ENC_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <gst/rtp/gstrtpbuffer.h>
+
+#include "gstrtpg711enc.h"
+
+/* elementfactory information */
+static GstElementDetails gst_rtpg711enc_details = {
+ "RTP packet parser",
+ "Codec/Encoder/Network",
+ "Encodes PCMU/PCMA audio into a RTP packet",
+ "Edgard Lima <edgard.lima@indt.org.br>"
+};
+
+static GstStaticPadTemplate gst_rtpg711enc_sink_template =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-mulaw, channels=(int)1, rate=(int)8000 ;"
+ "audio/x-alaw, channels=(int)1, rate=(int)8000")
+ );
+
+static GstStaticPadTemplate gst_rtpg711enc_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 0, "
+ "clock-rate = (int) 8000, "
+ "encoding-name = (string) \"PCMU\"; "
+ "application/x-rtp, "
+ "media = (string) \"audio\", "
+ "payload = (int) 8, "
+ "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMA\"")
+ );
+
+
+static void gst_rtpg711enc_class_init (GstRtpG711EncClass * klass);
+static void gst_rtpg711enc_base_init (GstRtpG711EncClass * klass);
+static void gst_rtpg711enc_init (GstRtpG711Enc * rtpg711enc);
+
+static gboolean gst_rtpg711enc_setcaps (GstBaseRTPPayload * payload,
+ GstCaps * caps);
+static GstFlowReturn gst_rtpg711enc_handle_buffer (GstBaseRTPPayload * payload,
+ GstBuffer * buffer);
+
+static GstBaseRTPPayloadClass *parent_class = NULL;
+
+static GType
+gst_rtpg711enc_get_type (void)
+{
+ static GType rtpg711enc_type = 0;
+
+ if (!rtpg711enc_type) {
+ static const GTypeInfo rtpg711enc_info = {
+ sizeof (GstRtpG711EncClass),
+ (GBaseInitFunc) gst_rtpg711enc_base_init,
+ NULL,
+ (GClassInitFunc) gst_rtpg711enc_class_init,
+ NULL,
+ NULL,
+ sizeof (GstRtpG711Enc),
+ 0,
+ (GInstanceInitFunc) gst_rtpg711enc_init,
+ };
+
+ rtpg711enc_type =
+ g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpG711Enc",
+ &rtpg711enc_info, 0);
+ }
+ return rtpg711enc_type;
+}
+
+static void
+gst_rtpg711enc_base_init (GstRtpG711EncClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711enc_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_rtpg711enc_src_template));
+ gst_element_class_set_details (element_class, &gst_rtpg711enc_details);
+}
+
+static void
+gst_rtpg711enc_class_init (GstRtpG711EncClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseRTPPayloadClass *gstbasertppayload_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD);
+
+ gstbasertppayload_class->set_caps = gst_rtpg711enc_setcaps;
+ gstbasertppayload_class->handle_buffer = gst_rtpg711enc_handle_buffer;
+}
+
+static void
+gst_rtpg711enc_init (GstRtpG711Enc * rtpg711enc)
+{
+}
+
+static gboolean
+gst_rtpg711enc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
+{
+
+ const char *stname;
+ GstStructure *structure;
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ stname = gst_structure_get_name (structure);
+
+ if (0 == strcmp ("audio/x-mulaw", stname)) {
+ gst_basertppayload_set_options (payload, "audio", TRUE, "PCMU", 8000);
+ } else if (0 == strcmp ("audio/x-alaw", stname)) {
+ gst_basertppayload_set_options (payload, "audio", TRUE, "PCMA", 8000);
+ } else {
+ return FALSE;
+ }
+
+ gst_basertppayload_set_outcaps (payload, NULL);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_rtpg711enc_handle_buffer (GstBaseRTPPayload * basepayload,
+ GstBuffer * buffer)
+{
+ GstRtpG711Enc *rtpg711enc;
+ guint size, payload_len;
+ GstBuffer *outbuf;
+ guint8 *payload, *data;
+ GstClockTime timestamp;
+ GstFlowReturn ret;
+
+ rtpg711enc = GST_RTP_G711_ENC (basepayload);
+
+ size = GST_BUFFER_SIZE (buffer);
+ timestamp = GST_BUFFER_TIMESTAMP (buffer);
+
+ /* FIXME, only one G711 frame per RTP packet for now */
+ payload_len = size;
+
+ outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0);
+ /* FIXME, assert for now */
+ g_assert (GST_BUFFER_SIZE (outbuf) < GST_BASE_RTP_PAYLOAD_MTU (rtpg711enc));
+
+ gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND);
+
+ /* copy timestamp */
+ GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
+ /* get payload */
+ payload = gst_rtpbuffer_get_payload (outbuf);
+
+ data = GST_BUFFER_DATA (buffer);
+
+ /* copy data in payload */
+ memcpy (&payload[0], data, size);
+
+ gst_buffer_unref (buffer);
+
+ ret = gst_basertppayload_push (basepayload, outbuf);
+
+ return ret;
+}
+
+gboolean
+gst_rtpg711enc_plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "rtpg711enc",
+ GST_RANK_NONE, GST_TYPE_RTP_G711_ENC);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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
+ */
+
+
+#ifndef __GST_RTP_G711_ENC_H__
+#define __GST_RTP_G711_ENC_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstbasertppayload.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstRtpG711Enc GstRtpG711Enc;
+typedef struct _GstRtpG711EncClass GstRtpG711EncClass;
+
+#define GST_TYPE_RTP_G711_ENC \
+ (gst_rtpg711enc_get_type())
+#define GST_RTP_G711_ENC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G711_ENC,GstRtpG711Enc))
+#define GST_RTP_G711_ENC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G711_ENC,GstRtpG711Enc))
+#define GST_IS_RTP_G711_ENC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G711_ENC))
+#define GST_IS_RTP_G711_ENC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G711_ENC))
+
+struct _GstRtpG711Enc
+{
+ GstBaseRTPPayload payload;
+
+ gint frequency;
+};
+
+struct _GstRtpG711EncClass
+{
+ GstBaseRTPPayloadClass parent_class;
+};
+
+gboolean gst_rtpg711enc_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_RTP_G711_ENC_H__ */
projects / platform / upstream / gstreamer.git / commitdiff