From dc2d99dc17b766ae02e96b2b72810cd94c8f07d2 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Thu, 18 Aug 2005 17:39:17 +0000 Subject: [PATCH] gst/rtp/: Added very simplistic amr payloader. depayloader does not work yet. Original commit message from CVS: * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtpamrdec.c: (gst_rtpamrdec_get_type), (gst_rtpamrdec_base_init), (gst_rtpamrdec_class_init), (gst_rtpamrdec_init), (gst_rtpamrdec_chain), (gst_rtpamrdec_set_property), (gst_rtpamrdec_get_property), (gst_rtpamrdec_change_state), (gst_rtpamrdec_plugin_init): * gst/rtp/gstrtpamrdec.h: * gst/rtp/gstrtpamrenc.c: (gst_rtpamrenc_get_type), (gst_rtpamrenc_base_init), (gst_rtpamrenc_class_init), (gst_rtpamrenc_init), (gst_rtpamrenc_chain), (gst_rtpamrenc_set_property), (gst_rtpamrenc_get_property), (gst_rtpamrenc_change_state), (gst_rtpamrenc_plugin_init): * gst/rtp/gstrtpamrenc.h: * gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_class_init), (gst_rtpmpaenc_flush), (gst_rtpmpaenc_chain): Added very simplistic amr payloader. depayloader does not work yet. --- ChangeLog | 21 +++ gst/rtp/Makefile.am | 4 + gst/rtp/gstrtp.c | 8 ++ gst/rtp/gstrtpamrdec.c | 261 +++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpamrdec.h | 60 +++++++++ gst/rtp/gstrtpamrdepay.c | 261 +++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpamrdepay.h | 60 +++++++++ gst/rtp/gstrtpamrenc.c | 285 +++++++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpamrenc.h | 63 +++++++++ gst/rtp/gstrtpamrpay.c | 285 +++++++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpamrpay.h | 63 +++++++++ gst/rtp/gstrtpmpaenc.c | 2 +- gst/rtp/gstrtpmpapay.c | 2 +- 13 files changed, 1373 insertions(+), 2 deletions(-) create mode 100644 gst/rtp/gstrtpamrdec.c create mode 100644 gst/rtp/gstrtpamrdec.h create mode 100644 gst/rtp/gstrtpamrdepay.c create mode 100644 gst/rtp/gstrtpamrdepay.h create mode 100644 gst/rtp/gstrtpamrenc.c create mode 100644 gst/rtp/gstrtpamrenc.h create mode 100644 gst/rtp/gstrtpamrpay.c create mode 100644 gst/rtp/gstrtpamrpay.h diff --git a/ChangeLog b/ChangeLog index f9ff82ea7..8fd7253c5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,24 @@ +2005-08-18 Wim Taymans + + * gst/rtp/Makefile.am: + * gst/rtp/gstrtp.c: (plugin_init): + * gst/rtp/gstrtpamrdec.c: (gst_rtpamrdec_get_type), + (gst_rtpamrdec_base_init), (gst_rtpamrdec_class_init), + (gst_rtpamrdec_init), (gst_rtpamrdec_chain), + (gst_rtpamrdec_set_property), (gst_rtpamrdec_get_property), + (gst_rtpamrdec_change_state), (gst_rtpamrdec_plugin_init): + * gst/rtp/gstrtpamrdec.h: + * gst/rtp/gstrtpamrenc.c: (gst_rtpamrenc_get_type), + (gst_rtpamrenc_base_init), (gst_rtpamrenc_class_init), + (gst_rtpamrenc_init), (gst_rtpamrenc_chain), + (gst_rtpamrenc_set_property), (gst_rtpamrenc_get_property), + (gst_rtpamrenc_change_state), (gst_rtpamrenc_plugin_init): + * gst/rtp/gstrtpamrenc.h: + * gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_class_init), + (gst_rtpmpaenc_flush), (gst_rtpmpaenc_chain): + Added very simplistic amr payloader. depayloader does not + work yet. + 2005-08-18 Wim Taymans * gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_send), (gst_rtspsrc_open), diff --git a/gst/rtp/Makefile.am b/gst/rtp/Makefile.am index b08df858a..4f1f3d6c5 100644 --- a/gst/rtp/Makefile.am +++ b/gst/rtp/Makefile.am @@ -4,6 +4,8 @@ libgstrtp_la_SOURCES = gstrtp.c \ gstrtpdec.c \ gstrtpmpadec.c \ gstrtpmpaenc.c \ + gstrtpamrdec.c \ + gstrtpamrenc.c \ gstrtph263pdec.c \ gstrtph263penc.c @@ -16,6 +18,8 @@ libgstrtp_la_LIBADD = $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \ noinst_HEADERS = gstrtpL16enc.h \ gstrtpL16parse.h \ + gstrtpamrdec.h \ + gstrtpamrenc.h \ gstrtpgsmenc.h \ gstrtpgsmparse.h \ gstrtpmpadec.h \ diff --git a/gst/rtp/gstrtp.c b/gst/rtp/gstrtp.c index 9715e9a83..02205d236 100644 --- a/gst/rtp/gstrtp.c +++ b/gst/rtp/gstrtp.c @@ -22,6 +22,8 @@ #endif #include "gstrtpdec.h" +#include "gstrtpamrenc.h" +#include "gstrtpamrdec.h" #include "gstrtpmpaenc.h" #include "gstrtpmpadec.h" #include "gstrtph263pdec.h" @@ -33,6 +35,12 @@ plugin_init (GstPlugin * plugin) if (!gst_rtpdec_plugin_init (plugin)) return FALSE; + if (!gst_rtpamrdec_plugin_init (plugin)) + return FALSE; + + if (!gst_rtpamrenc_plugin_init (plugin)) + return FALSE; + if (!gst_rtpmpadec_plugin_init (plugin)) return FALSE; diff --git a/gst/rtp/gstrtpamrdec.c b/gst/rtp/gstrtpamrdec.c new file mode 100644 index 000000000..61827cb64 --- /dev/null +++ b/gst/rtp/gstrtpamrdec.c @@ -0,0 +1,261 @@ +/* GStreamer + * Copyright (C) <2005> Wim Taymans + * + * 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 + +#include +#include "gstrtpamrdec.h" + +/* elementfactory information */ +static GstElementDetails gst_rtp_amrdec_details = { + "RTP packet parser", + "Codec/Parser/Network", + "Extracts MPEG audio from RTP packets", + "Wim Taymans " +}; + +/* RtpAMRDec signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +enum +{ + ARG_0, + ARG_FREQUENCY +}; + +static GstStaticPadTemplate gst_rtpamrdec_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/mpeg") + ); + +static GstStaticPadTemplate gst_rtpamrdec_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp") + ); + + +static void gst_rtpamrdec_class_init (GstRtpAMRDecClass * klass); +static void gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass); +static void gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec); + +static GstFlowReturn gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buffer); + +static void gst_rtpamrdec_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_rtpamrdec_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static GstElementStateReturn gst_rtpamrdec_change_state (GstElement * element); + +static GstElementClass *parent_class = NULL; + +static GType +gst_rtpamrdec_get_type (void) +{ + static GType rtpamrdec_type = 0; + + if (!rtpamrdec_type) { + static const GTypeInfo rtpamrdec_info = { + sizeof (GstRtpAMRDecClass), + (GBaseInitFunc) gst_rtpamrdec_base_init, + NULL, + (GClassInitFunc) gst_rtpamrdec_class_init, + NULL, + NULL, + sizeof (GstRtpAMRDec), + 0, + (GInstanceInitFunc) gst_rtpamrdec_init, + }; + + rtpamrdec_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMRDec", + &rtpamrdec_info, 0); + } + return rtpamrdec_type; +} + +static void +gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrdec_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrdec_sink_template)); + + gst_element_class_set_details (element_class, &gst_rtp_amrdec_details); +} + +static void +gst_rtpamrdec_class_init (GstRtpAMRDecClass * 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_rtpamrdec_set_property; + gobject_class->get_property = gst_rtpamrdec_get_property; + + gstelement_class->change_state = gst_rtpamrdec_change_state; +} + +static void +gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec) +{ + rtpamrdec->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrdec_src_template), "src"); + gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->srcpad); + + rtpamrdec->sinkpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrdec_sink_template), "sink"); + gst_pad_set_chain_function (rtpamrdec->sinkpad, gst_rtpamrdec_chain); + gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->sinkpad); +} + +static GstFlowReturn +gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buf) +{ + GstRtpAMRDec *rtpamrdec; + GstBuffer *outbuf; + GstFlowReturn ret; + + rtpamrdec = GST_RTP_AMR_DEC (GST_OBJECT_PARENT (pad)); + + if (!gst_rtpbuffer_validate (buf)) + goto bad_packet; + + { + gint payload_len; + guint8 *payload; + guint16 frag_offset; + guint32 timestamp; + + payload_len = gst_rtpbuffer_get_payload_len (buf); + payload = gst_rtpbuffer_get_payload (buf); + + frag_offset = (payload[2] << 8) | payload[3]; + + /* strip off header */ + payload_len -= 4; + payload += 4; + + timestamp = gst_rtpbuffer_get_timestamp (buf); + + outbuf = gst_buffer_new_and_alloc (payload_len); + + //GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 90000; + + memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len); + + GST_DEBUG ("gst_rtpamrdec_chain: pushing buffer of size %d", + GST_BUFFER_SIZE (outbuf)); + + gst_buffer_unref (buf); + + ret = gst_pad_push (rtpamrdec->srcpad, outbuf); + } + + return ret; + +bad_packet: + { + GST_DEBUG ("Packet did not validate"); + gst_buffer_unref (buf); + return GST_FLOW_ERROR; + } +} + +static void +gst_rtpamrdec_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRtpAMRDec *rtpamrdec; + + rtpamrdec = GST_RTP_AMR_DEC (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rtpamrdec_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRtpAMRDec *rtpamrdec; + + rtpamrdec = GST_RTP_AMR_DEC (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GstElementStateReturn +gst_rtpamrdec_change_state (GstElement * element) +{ + GstRtpAMRDec *rtpamrdec; + gint transition; + GstElementStateReturn ret; + + rtpamrdec = GST_RTP_AMR_DEC (element); + transition = GST_STATE_TRANSITION (element); + + switch (transition) { + case GST_STATE_NULL_TO_READY: + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element); + + switch (transition) { + case GST_STATE_READY_TO_NULL: + break; + default: + break; + } + return ret; +} + +gboolean +gst_rtpamrdec_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpamrdec", + GST_RANK_NONE, GST_TYPE_RTP_AMR_DEC); +} diff --git a/gst/rtp/gstrtpamrdec.h b/gst/rtp/gstrtpamrdec.h new file mode 100644 index 000000000..dd1479225 --- /dev/null +++ b/gst/rtp/gstrtpamrdec.h @@ -0,0 +1,60 @@ +/* Gnome-Streamer + * Copyright (C) <2005> Wim Taymans + * + * 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_AMR_DEC_H__ +#define __GST_RTP_AMR_DEC_H__ + +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_AMR_DEC \ + (gst_rtpamrdec_get_type()) +#define GST_RTP_AMR_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec)) +#define GST_RTP_AMR_DEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec)) +#define GST_IS_RTP_AMR_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_DEC)) +#define GST_IS_RTP_AMR_DEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_DEC)) + +typedef struct _GstRtpAMRDec GstRtpAMRDec; +typedef struct _GstRtpAMRDecClass GstRtpAMRDecClass; + +struct _GstRtpAMRDec +{ + GstElement element; + + GstPad *sinkpad; + GstPad *srcpad; + + guint frequency; +}; + +struct _GstRtpAMRDecClass +{ + GstElementClass parent_class; +}; + +gboolean gst_rtpamrdec_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_AMR_DEC_H__ */ diff --git a/gst/rtp/gstrtpamrdepay.c b/gst/rtp/gstrtpamrdepay.c new file mode 100644 index 000000000..61827cb64 --- /dev/null +++ b/gst/rtp/gstrtpamrdepay.c @@ -0,0 +1,261 @@ +/* GStreamer + * Copyright (C) <2005> Wim Taymans + * + * 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 + +#include +#include "gstrtpamrdec.h" + +/* elementfactory information */ +static GstElementDetails gst_rtp_amrdec_details = { + "RTP packet parser", + "Codec/Parser/Network", + "Extracts MPEG audio from RTP packets", + "Wim Taymans " +}; + +/* RtpAMRDec signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +enum +{ + ARG_0, + ARG_FREQUENCY +}; + +static GstStaticPadTemplate gst_rtpamrdec_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/mpeg") + ); + +static GstStaticPadTemplate gst_rtpamrdec_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp") + ); + + +static void gst_rtpamrdec_class_init (GstRtpAMRDecClass * klass); +static void gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass); +static void gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec); + +static GstFlowReturn gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buffer); + +static void gst_rtpamrdec_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_rtpamrdec_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static GstElementStateReturn gst_rtpamrdec_change_state (GstElement * element); + +static GstElementClass *parent_class = NULL; + +static GType +gst_rtpamrdec_get_type (void) +{ + static GType rtpamrdec_type = 0; + + if (!rtpamrdec_type) { + static const GTypeInfo rtpamrdec_info = { + sizeof (GstRtpAMRDecClass), + (GBaseInitFunc) gst_rtpamrdec_base_init, + NULL, + (GClassInitFunc) gst_rtpamrdec_class_init, + NULL, + NULL, + sizeof (GstRtpAMRDec), + 0, + (GInstanceInitFunc) gst_rtpamrdec_init, + }; + + rtpamrdec_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMRDec", + &rtpamrdec_info, 0); + } + return rtpamrdec_type; +} + +static void +gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrdec_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrdec_sink_template)); + + gst_element_class_set_details (element_class, &gst_rtp_amrdec_details); +} + +static void +gst_rtpamrdec_class_init (GstRtpAMRDecClass * 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_rtpamrdec_set_property; + gobject_class->get_property = gst_rtpamrdec_get_property; + + gstelement_class->change_state = gst_rtpamrdec_change_state; +} + +static void +gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec) +{ + rtpamrdec->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrdec_src_template), "src"); + gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->srcpad); + + rtpamrdec->sinkpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrdec_sink_template), "sink"); + gst_pad_set_chain_function (rtpamrdec->sinkpad, gst_rtpamrdec_chain); + gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->sinkpad); +} + +static GstFlowReturn +gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buf) +{ + GstRtpAMRDec *rtpamrdec; + GstBuffer *outbuf; + GstFlowReturn ret; + + rtpamrdec = GST_RTP_AMR_DEC (GST_OBJECT_PARENT (pad)); + + if (!gst_rtpbuffer_validate (buf)) + goto bad_packet; + + { + gint payload_len; + guint8 *payload; + guint16 frag_offset; + guint32 timestamp; + + payload_len = gst_rtpbuffer_get_payload_len (buf); + payload = gst_rtpbuffer_get_payload (buf); + + frag_offset = (payload[2] << 8) | payload[3]; + + /* strip off header */ + payload_len -= 4; + payload += 4; + + timestamp = gst_rtpbuffer_get_timestamp (buf); + + outbuf = gst_buffer_new_and_alloc (payload_len); + + //GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 90000; + + memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len); + + GST_DEBUG ("gst_rtpamrdec_chain: pushing buffer of size %d", + GST_BUFFER_SIZE (outbuf)); + + gst_buffer_unref (buf); + + ret = gst_pad_push (rtpamrdec->srcpad, outbuf); + } + + return ret; + +bad_packet: + { + GST_DEBUG ("Packet did not validate"); + gst_buffer_unref (buf); + return GST_FLOW_ERROR; + } +} + +static void +gst_rtpamrdec_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRtpAMRDec *rtpamrdec; + + rtpamrdec = GST_RTP_AMR_DEC (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rtpamrdec_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRtpAMRDec *rtpamrdec; + + rtpamrdec = GST_RTP_AMR_DEC (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GstElementStateReturn +gst_rtpamrdec_change_state (GstElement * element) +{ + GstRtpAMRDec *rtpamrdec; + gint transition; + GstElementStateReturn ret; + + rtpamrdec = GST_RTP_AMR_DEC (element); + transition = GST_STATE_TRANSITION (element); + + switch (transition) { + case GST_STATE_NULL_TO_READY: + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element); + + switch (transition) { + case GST_STATE_READY_TO_NULL: + break; + default: + break; + } + return ret; +} + +gboolean +gst_rtpamrdec_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpamrdec", + GST_RANK_NONE, GST_TYPE_RTP_AMR_DEC); +} diff --git a/gst/rtp/gstrtpamrdepay.h b/gst/rtp/gstrtpamrdepay.h new file mode 100644 index 000000000..dd1479225 --- /dev/null +++ b/gst/rtp/gstrtpamrdepay.h @@ -0,0 +1,60 @@ +/* Gnome-Streamer + * Copyright (C) <2005> Wim Taymans + * + * 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_AMR_DEC_H__ +#define __GST_RTP_AMR_DEC_H__ + +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_AMR_DEC \ + (gst_rtpamrdec_get_type()) +#define GST_RTP_AMR_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec)) +#define GST_RTP_AMR_DEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec)) +#define GST_IS_RTP_AMR_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_DEC)) +#define GST_IS_RTP_AMR_DEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_DEC)) + +typedef struct _GstRtpAMRDec GstRtpAMRDec; +typedef struct _GstRtpAMRDecClass GstRtpAMRDecClass; + +struct _GstRtpAMRDec +{ + GstElement element; + + GstPad *sinkpad; + GstPad *srcpad; + + guint frequency; +}; + +struct _GstRtpAMRDecClass +{ + GstElementClass parent_class; +}; + +gboolean gst_rtpamrdec_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_AMR_DEC_H__ */ diff --git a/gst/rtp/gstrtpamrenc.c b/gst/rtp/gstrtpamrenc.c new file mode 100644 index 000000000..de368ec49 --- /dev/null +++ b/gst/rtp/gstrtpamrenc.c @@ -0,0 +1,285 @@ +/* GStreamer + * Copyright (C) <2005> Wim Taymans + * + * 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 + +#include + +#include "gstrtpamrenc.h" + +/* elementfactory information */ +static GstElementDetails gst_rtp_amrenc_details = { + "RTP packet parser", + "Codec/Parser/Network", + "Encode AMR audio into RTP packets", + "Wim Taymans " +}; + +/* RtpAMREnc signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +#define DEFAULT_MTU 1024 + +enum +{ + PROP_0, + PROP_MTU +}; + +static GstStaticPadTemplate gst_rtpamrenc_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-amr-nb, channels=(int)1, rate=(int)8000") + ); + +static GstStaticPadTemplate gst_rtpamrenc_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp") + ); + + +static void gst_rtpamrenc_class_init (GstRtpAMREncClass * klass); +static void gst_rtpamrenc_base_init (GstRtpAMREncClass * klass); +static void gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc); + +static GstFlowReturn gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer); + +static void gst_rtpamrenc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_rtpamrenc_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static GstElementStateReturn gst_rtpamrenc_change_state (GstElement * element); + +static GstElementClass *parent_class = NULL; + +static GType +gst_rtpamrenc_get_type (void) +{ + static GType rtpamrenc_type = 0; + + if (!rtpamrenc_type) { + static const GTypeInfo rtpamrenc_info = { + sizeof (GstRtpAMREncClass), + (GBaseInitFunc) gst_rtpamrenc_base_init, + NULL, + (GClassInitFunc) gst_rtpamrenc_class_init, + NULL, + NULL, + sizeof (GstRtpAMREnc), + 0, + (GInstanceInitFunc) gst_rtpamrenc_init, + }; + + rtpamrenc_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMREnc", + &rtpamrenc_info, 0); + } + return rtpamrenc_type; +} + +static void +gst_rtpamrenc_base_init (GstRtpAMREncClass * klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrenc_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrenc_sink_template)); + + gst_element_class_set_details (element_class, &gst_rtp_amrenc_details); +} + +static void +gst_rtpamrenc_class_init (GstRtpAMREncClass * 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_rtpamrenc_set_property; + gobject_class->get_property = gst_rtpamrenc_get_property; + + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MTU, + g_param_spec_uint ("mtu", "MTU", + "Maximum size of one packet", + 28, G_MAXUINT, DEFAULT_MTU, G_PARAM_READWRITE)); + + gstelement_class->change_state = gst_rtpamrenc_change_state; +} + +static void +gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc) +{ + rtpamrenc->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrenc_src_template), "src"); + gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->srcpad); + + rtpamrenc->sinkpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrenc_sink_template), "sink"); + gst_pad_set_chain_function (rtpamrenc->sinkpad, gst_rtpamrenc_chain); + gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->sinkpad); + + rtpamrenc->mtu = DEFAULT_MTU; +} + +static GstFlowReturn +gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer) +{ + GstRtpAMREnc *rtpamrenc; + GstFlowReturn ret; + guint size, payload_len; + GstBuffer *outbuf; + guint8 *payload; + GstClockTime timestamp; + + rtpamrenc = GST_RTP_AMR_ENC (gst_pad_get_parent (pad)); + + size = GST_BUFFER_SIZE (buffer); + timestamp = GST_BUFFER_TIMESTAMP (buffer); + + /* FIXME, only one AMR frame per RTP packet for now, + * octet aligned, no interleaving, single channel, no CRC, + * no robust-sorting. */ + payload_len = size + 2; + + outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0); + /* FIXME, assert for now */ + g_assert (GST_BUFFER_SIZE (outbuf) < rtpamrenc->mtu); + + gst_rtpbuffer_set_seq (outbuf, rtpamrenc->seqnum++); + gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND); + + /* copy timestamp */ + GST_BUFFER_TIMESTAMP (outbuf) = timestamp; + + /* get payload */ + payload = gst_rtpbuffer_get_payload (outbuf); + + /* 0 1 2 3 4 5 6 7 + * +-+-+-+-+-+-+-+-+ + * | CMR |R|R|R|R| + * +-+-+-+-+-+-+-+-+ + */ + payload[0] = 0xF0; /* CMR, no specific mode requested */ + /* 0 1 2 3 4 5 6 7 + * +-+-+-+-+-+-+-+-+ + * |F| FT |Q|P|P| + * +-+-+-+-+-+-+-+-+ + */ + payload[1] = 0x04; /* ToC, no damage (Q=1) */ + + /* copy data in payload */ + memcpy (&payload[2], GST_BUFFER_DATA (buffer), size); + + gst_buffer_unref (buffer); + + ret = gst_pad_push (rtpamrenc->srcpad, outbuf); + + gst_object_unref (rtpamrenc); + + return ret; +} + +static void +gst_rtpamrenc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRtpAMREnc *rtpamrenc; + + rtpamrenc = GST_RTP_AMR_ENC (object); + + switch (prop_id) { + case PROP_MTU: + rtpamrenc->mtu = g_value_get_uint (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rtpamrenc_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRtpAMREnc *rtpamrenc; + + rtpamrenc = GST_RTP_AMR_ENC (object); + + switch (prop_id) { + case PROP_MTU: + g_value_set_uint (value, rtpamrenc->mtu); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GstElementStateReturn +gst_rtpamrenc_change_state (GstElement * element) +{ + GstRtpAMREnc *rtpamrenc; + gint transition; + GstElementStateReturn ret; + + rtpamrenc = GST_RTP_AMR_ENC (element); + transition = GST_STATE_TRANSITION (element); + + switch (transition) { + case GST_STATE_NULL_TO_READY: + break; + case GST_STATE_READY_TO_PAUSED: + rtpamrenc->seqnum = 0; + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element); + + switch (transition) { + case GST_STATE_READY_TO_NULL: + break; + default: + break; + } + return ret; +} + +gboolean +gst_rtpamrenc_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpamrenc", + GST_RANK_NONE, GST_TYPE_RTP_AMR_ENC); +} diff --git a/gst/rtp/gstrtpamrenc.h b/gst/rtp/gstrtpamrenc.h new file mode 100644 index 000000000..3da7f9602 --- /dev/null +++ b/gst/rtp/gstrtpamrenc.h @@ -0,0 +1,63 @@ +/* Gnome-Streamer + * Copyright (C) <2005> Wim Taymans + * + * 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_AMR_ENC_H__ +#define __GST_RTP_AMR_ENC_H__ + +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_AMR_ENC \ + (gst_rtpamrenc_get_type()) +#define GST_RTP_AMR_ENC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc)) +#define GST_RTP_AMR_ENC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc)) +#define GST_IS_RTP_AMR_ENC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_ENC)) +#define GST_IS_RTP_AMR_ENC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_ENC)) + +typedef struct _GstRtpAMREnc GstRtpAMREnc; +typedef struct _GstRtpAMREncClass GstRtpAMREncClass; + +struct _GstRtpAMREnc +{ + GstElement element; + + GstPad *sinkpad; + GstPad *srcpad; + + guint16 seqnum; + + guint mtu; +}; + +struct _GstRtpAMREncClass +{ + GstElementClass parent_class; +}; + +gboolean gst_rtpamrenc_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_AMR_ENC_H__ */ diff --git a/gst/rtp/gstrtpamrpay.c b/gst/rtp/gstrtpamrpay.c new file mode 100644 index 000000000..de368ec49 --- /dev/null +++ b/gst/rtp/gstrtpamrpay.c @@ -0,0 +1,285 @@ +/* GStreamer + * Copyright (C) <2005> Wim Taymans + * + * 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 + +#include + +#include "gstrtpamrenc.h" + +/* elementfactory information */ +static GstElementDetails gst_rtp_amrenc_details = { + "RTP packet parser", + "Codec/Parser/Network", + "Encode AMR audio into RTP packets", + "Wim Taymans " +}; + +/* RtpAMREnc signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +#define DEFAULT_MTU 1024 + +enum +{ + PROP_0, + PROP_MTU +}; + +static GstStaticPadTemplate gst_rtpamrenc_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-amr-nb, channels=(int)1, rate=(int)8000") + ); + +static GstStaticPadTemplate gst_rtpamrenc_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp") + ); + + +static void gst_rtpamrenc_class_init (GstRtpAMREncClass * klass); +static void gst_rtpamrenc_base_init (GstRtpAMREncClass * klass); +static void gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc); + +static GstFlowReturn gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer); + +static void gst_rtpamrenc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_rtpamrenc_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static GstElementStateReturn gst_rtpamrenc_change_state (GstElement * element); + +static GstElementClass *parent_class = NULL; + +static GType +gst_rtpamrenc_get_type (void) +{ + static GType rtpamrenc_type = 0; + + if (!rtpamrenc_type) { + static const GTypeInfo rtpamrenc_info = { + sizeof (GstRtpAMREncClass), + (GBaseInitFunc) gst_rtpamrenc_base_init, + NULL, + (GClassInitFunc) gst_rtpamrenc_class_init, + NULL, + NULL, + sizeof (GstRtpAMREnc), + 0, + (GInstanceInitFunc) gst_rtpamrenc_init, + }; + + rtpamrenc_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMREnc", + &rtpamrenc_info, 0); + } + return rtpamrenc_type; +} + +static void +gst_rtpamrenc_base_init (GstRtpAMREncClass * klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrenc_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtpamrenc_sink_template)); + + gst_element_class_set_details (element_class, &gst_rtp_amrenc_details); +} + +static void +gst_rtpamrenc_class_init (GstRtpAMREncClass * 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_rtpamrenc_set_property; + gobject_class->get_property = gst_rtpamrenc_get_property; + + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MTU, + g_param_spec_uint ("mtu", "MTU", + "Maximum size of one packet", + 28, G_MAXUINT, DEFAULT_MTU, G_PARAM_READWRITE)); + + gstelement_class->change_state = gst_rtpamrenc_change_state; +} + +static void +gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc) +{ + rtpamrenc->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrenc_src_template), "src"); + gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->srcpad); + + rtpamrenc->sinkpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtpamrenc_sink_template), "sink"); + gst_pad_set_chain_function (rtpamrenc->sinkpad, gst_rtpamrenc_chain); + gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->sinkpad); + + rtpamrenc->mtu = DEFAULT_MTU; +} + +static GstFlowReturn +gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer) +{ + GstRtpAMREnc *rtpamrenc; + GstFlowReturn ret; + guint size, payload_len; + GstBuffer *outbuf; + guint8 *payload; + GstClockTime timestamp; + + rtpamrenc = GST_RTP_AMR_ENC (gst_pad_get_parent (pad)); + + size = GST_BUFFER_SIZE (buffer); + timestamp = GST_BUFFER_TIMESTAMP (buffer); + + /* FIXME, only one AMR frame per RTP packet for now, + * octet aligned, no interleaving, single channel, no CRC, + * no robust-sorting. */ + payload_len = size + 2; + + outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0); + /* FIXME, assert for now */ + g_assert (GST_BUFFER_SIZE (outbuf) < rtpamrenc->mtu); + + gst_rtpbuffer_set_seq (outbuf, rtpamrenc->seqnum++); + gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND); + + /* copy timestamp */ + GST_BUFFER_TIMESTAMP (outbuf) = timestamp; + + /* get payload */ + payload = gst_rtpbuffer_get_payload (outbuf); + + /* 0 1 2 3 4 5 6 7 + * +-+-+-+-+-+-+-+-+ + * | CMR |R|R|R|R| + * +-+-+-+-+-+-+-+-+ + */ + payload[0] = 0xF0; /* CMR, no specific mode requested */ + /* 0 1 2 3 4 5 6 7 + * +-+-+-+-+-+-+-+-+ + * |F| FT |Q|P|P| + * +-+-+-+-+-+-+-+-+ + */ + payload[1] = 0x04; /* ToC, no damage (Q=1) */ + + /* copy data in payload */ + memcpy (&payload[2], GST_BUFFER_DATA (buffer), size); + + gst_buffer_unref (buffer); + + ret = gst_pad_push (rtpamrenc->srcpad, outbuf); + + gst_object_unref (rtpamrenc); + + return ret; +} + +static void +gst_rtpamrenc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRtpAMREnc *rtpamrenc; + + rtpamrenc = GST_RTP_AMR_ENC (object); + + switch (prop_id) { + case PROP_MTU: + rtpamrenc->mtu = g_value_get_uint (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rtpamrenc_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRtpAMREnc *rtpamrenc; + + rtpamrenc = GST_RTP_AMR_ENC (object); + + switch (prop_id) { + case PROP_MTU: + g_value_set_uint (value, rtpamrenc->mtu); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GstElementStateReturn +gst_rtpamrenc_change_state (GstElement * element) +{ + GstRtpAMREnc *rtpamrenc; + gint transition; + GstElementStateReturn ret; + + rtpamrenc = GST_RTP_AMR_ENC (element); + transition = GST_STATE_TRANSITION (element); + + switch (transition) { + case GST_STATE_NULL_TO_READY: + break; + case GST_STATE_READY_TO_PAUSED: + rtpamrenc->seqnum = 0; + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element); + + switch (transition) { + case GST_STATE_READY_TO_NULL: + break; + default: + break; + } + return ret; +} + +gboolean +gst_rtpamrenc_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpamrenc", + GST_RANK_NONE, GST_TYPE_RTP_AMR_ENC); +} diff --git a/gst/rtp/gstrtpamrpay.h b/gst/rtp/gstrtpamrpay.h new file mode 100644 index 000000000..3da7f9602 --- /dev/null +++ b/gst/rtp/gstrtpamrpay.h @@ -0,0 +1,63 @@ +/* Gnome-Streamer + * Copyright (C) <2005> Wim Taymans + * + * 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_AMR_ENC_H__ +#define __GST_RTP_AMR_ENC_H__ + +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RTP_AMR_ENC \ + (gst_rtpamrenc_get_type()) +#define GST_RTP_AMR_ENC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc)) +#define GST_RTP_AMR_ENC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc)) +#define GST_IS_RTP_AMR_ENC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_ENC)) +#define GST_IS_RTP_AMR_ENC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_ENC)) + +typedef struct _GstRtpAMREnc GstRtpAMREnc; +typedef struct _GstRtpAMREncClass GstRtpAMREncClass; + +struct _GstRtpAMREnc +{ + GstElement element; + + GstPad *sinkpad; + GstPad *srcpad; + + guint16 seqnum; + + guint mtu; +}; + +struct _GstRtpAMREncClass +{ + GstElementClass parent_class; +}; + +gboolean gst_rtpamrenc_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_AMR_ENC_H__ */ diff --git a/gst/rtp/gstrtpmpaenc.c b/gst/rtp/gstrtpmpaenc.c index 6c77291f2..991b09dc3 100644 --- a/gst/rtp/gstrtpmpaenc.c +++ b/gst/rtp/gstrtpmpaenc.c @@ -26,7 +26,7 @@ static GstElementDetails gst_rtp_mpaenc_details = { "RTP packet parser", "Codec/Parser/Network", - "Extracts MPEG audio from RTP packets", + "Encode MPEG audio as RTP packets", "Wim Taymans " }; diff --git a/gst/rtp/gstrtpmpapay.c b/gst/rtp/gstrtpmpapay.c index 6c77291f2..991b09dc3 100644 --- a/gst/rtp/gstrtpmpapay.c +++ b/gst/rtp/gstrtpmpapay.c @@ -26,7 +26,7 @@ static GstElementDetails gst_rtp_mpaenc_details = { "RTP packet parser", "Codec/Parser/Network", - "Extracts MPEG audio from RTP packets", + "Encode MPEG audio as RTP packets", "Wim Taymans " }; -- 2.34.1