2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
4 * Copyright (C) <2005> Nokia Corporation <kai.vehmanen@nokia.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
28 #include <gst/rtp/gstrtpbuffer.h>
30 #include "gstrtppcmupay.h"
32 /* elementfactory information */
33 static const GstElementDetails gst_rtp_pcmu_pay_details =
34 GST_ELEMENT_DETAILS ("RTP PCMU payloader",
35 "Codec/Payloader/Network",
36 "Payload-encodes PCMU audio into a RTP packet",
37 "Edgard Lima <edgard.lima@indt.org.br>");
39 static GstStaticPadTemplate gst_rtp_pcmu_pay_sink_template =
40 GST_STATIC_PAD_TEMPLATE ("sink",
43 GST_STATIC_CAPS ("audio/x-mulaw, channels=(int)1, rate=(int)8000")
46 static GstStaticPadTemplate gst_rtp_pcmu_pay_src_template =
47 GST_STATIC_PAD_TEMPLATE ("src",
50 GST_STATIC_CAPS ("application/x-rtp, "
51 "media = (string) \"audio\", "
52 "payload = (int) " GST_RTP_PAYLOAD_PCMU_STRING ", "
53 "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMU\"; "
55 "media = (string) \"audio\", "
56 "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
57 "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMU\"")
60 static gboolean gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload,
63 GST_BOILERPLATE (GstRtpPcmuPay, gst_rtp_pcmu_pay, GstBaseRTPAudioPayload,
64 GST_TYPE_BASE_RTP_AUDIO_PAYLOAD);
67 gst_rtp_pcmu_pay_base_init (gpointer klass)
69 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
71 gst_element_class_add_pad_template (element_class,
72 gst_static_pad_template_get (&gst_rtp_pcmu_pay_sink_template));
73 gst_element_class_add_pad_template (element_class,
74 gst_static_pad_template_get (&gst_rtp_pcmu_pay_src_template));
75 gst_element_class_set_details (element_class, &gst_rtp_pcmu_pay_details);
79 gst_rtp_pcmu_pay_class_init (GstRtpPcmuPayClass * klass)
81 GstBaseRTPPayloadClass *gstbasertppayload_class;
83 gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
85 parent_class = g_type_class_peek_parent (klass);
87 gstbasertppayload_class->set_caps = gst_rtp_pcmu_pay_setcaps;
91 gst_rtp_pcmu_pay_init (GstRtpPcmuPay * rtppcmupay, GstRtpPcmuPayClass * klass)
93 GstBaseRTPAudioPayload *basertpaudiopayload;
95 basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (rtppcmupay);
97 GST_BASE_RTP_PAYLOAD (rtppcmupay)->clock_rate = 8000;
99 /* tell basertpaudiopayload that this is a sample based codec */
100 gst_base_rtp_audio_payload_set_sample_based (basertpaudiopayload);
102 /* octet-per-sample is 1 for PCM */
103 gst_base_rtp_audio_payload_set_sample_options (basertpaudiopayload, 1);
107 gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
111 payload->pt = GST_RTP_PAYLOAD_PCMU;
113 gst_basertppayload_set_options (payload, "audio", FALSE, "PCMU", 8000);
114 res = gst_basertppayload_set_outcaps (payload, NULL);
120 gst_rtp_pcmu_pay_plugin_init (GstPlugin * plugin)
122 return gst_element_register (plugin, "rtppcmupay",
123 GST_RANK_NONE, GST_TYPE_RTP_PCMU_PAY);