/* GStreamer * Copyright (C) <2005> Edgard Lima * * 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 #include #include #include "gstrtpspeexpay.h" /* elementfactory information */ static const GstElementDetails gst_rtp_speex_pay_details = GST_ELEMENT_DETAILS ("RTP packet payloader", "Codec/Payloader/Network", "Payload-encodes Speex audio into a RTP packet", "Edgard Lima "); static GstStaticPadTemplate gst_rtp_speex_pay_sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-speex") ); static GstStaticPadTemplate gst_rtp_speex_pay_src_template = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS ("application/x-rtp, " "media = (string) \"audio\", " "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", " "clock-rate = (int) 8000, " "encoding-name = (string) \"speex\", " "encoding-params = (string) \"1\"") ); static gboolean gst_rtp_speex_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps); static GstFlowReturn gst_rtp_speex_pay_handle_buffer (GstBaseRTPPayload * payload, GstBuffer * buffer); GST_BOILERPLATE (GstRtpSPEEXPay, gst_rtp_speex_pay, GstBaseRTPPayload, GST_TYPE_BASE_RTP_PAYLOAD); static void gst_rtp_speex_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_speex_pay_sink_template)); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_rtp_speex_pay_src_template)); gst_element_class_set_details (element_class, &gst_rtp_speex_pay_details); } static void gst_rtp_speex_pay_class_init (GstRtpSPEEXPayClass * 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_peek_parent (klass); gstbasertppayload_class->set_caps = gst_rtp_speex_pay_setcaps; gstbasertppayload_class->handle_buffer = gst_rtp_speex_pay_handle_buffer; } static void gst_rtp_speex_pay_init (GstRtpSPEEXPay * rtpspeexpay, GstRtpSPEEXPayClass * klass) { GST_BASE_RTP_PAYLOAD (rtpspeexpay)->clock_rate = 8000; GST_BASE_RTP_PAYLOAD_PT (rtpspeexpay) = 110; /* Create String */ } static gboolean gst_rtp_speex_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps) { gst_basertppayload_set_options (payload, "audio", FALSE, "speex", 8000); gst_basertppayload_set_outcaps (payload, NULL); return TRUE; } static GstFlowReturn gst_rtp_speex_pay_handle_buffer (GstBaseRTPPayload * basepayload, GstBuffer * buffer) { GstRtpSPEEXPay *rtpspeexpay; guint size, payload_len; GstBuffer *outbuf; guint8 *payload, *data; GstClockTime timestamp; GstFlowReturn ret; rtpspeexpay = GST_RTP_SPEEX_PAY (basepayload); size = GST_BUFFER_SIZE (buffer); timestamp = GST_BUFFER_TIMESTAMP (buffer); /* FIXME, only one SPEEX frame per RTP packet for now */ payload_len = size; outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0); /* FIXME, assert for now */ g_assert (payload_len <= GST_BASE_RTP_PAYLOAD_MTU (rtpspeexpay)); /* copy timestamp */ GST_BUFFER_TIMESTAMP (outbuf) = timestamp; /* get payload */ payload = gst_rtp_buffer_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_rtp_speex_pay_plugin_init (GstPlugin * plugin) { return gst_element_register (plugin, "rtpspeexpay", GST_RANK_NONE, GST_TYPE_RTP_SPEEX_PAY); }