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 static GstStaticPadTemplate gst_rtp_pcmu_pay_sink_template =
33 GST_STATIC_PAD_TEMPLATE ("sink",
36 GST_STATIC_CAPS ("audio/x-mulaw, channels=(int)1, rate=(int)8000")
39 static GstStaticPadTemplate gst_rtp_pcmu_pay_src_template =
40 GST_STATIC_PAD_TEMPLATE ("src",
43 GST_STATIC_CAPS ("application/x-rtp, "
44 "media = (string) \"audio\", "
45 "payload = (int) " GST_RTP_PAYLOAD_PCMU_STRING ", "
46 "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMU\"; "
48 "media = (string) \"audio\", "
49 "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
50 "clock-rate = (int) [1, MAX ], " "encoding-name = (string) \"PCMU\"")
53 static gboolean gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload,
56 GST_BOILERPLATE (GstRtpPcmuPay, gst_rtp_pcmu_pay, GstBaseRTPAudioPayload,
57 GST_TYPE_BASE_RTP_AUDIO_PAYLOAD);
60 gst_rtp_pcmu_pay_base_init (gpointer klass)
62 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
64 gst_element_class_add_static_pad_template (element_class,
65 &gst_rtp_pcmu_pay_sink_template);
66 gst_element_class_add_static_pad_template (element_class,
67 &gst_rtp_pcmu_pay_src_template);
68 gst_element_class_set_details_simple (element_class, "RTP PCMU payloader",
69 "Codec/Payloader/Network/RTP",
70 "Payload-encodes PCMU audio into a RTP packet",
71 "Edgard Lima <edgard.lima@indt.org.br>");
75 gst_rtp_pcmu_pay_class_init (GstRtpPcmuPayClass * klass)
77 GstBaseRTPPayloadClass *gstbasertppayload_class;
79 gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
81 gstbasertppayload_class->set_caps = gst_rtp_pcmu_pay_setcaps;
85 gst_rtp_pcmu_pay_init (GstRtpPcmuPay * rtppcmupay, GstRtpPcmuPayClass * klass)
87 GstBaseRTPAudioPayload *basertpaudiopayload;
89 basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (rtppcmupay);
91 GST_BASE_RTP_PAYLOAD (rtppcmupay)->clock_rate = 8000;
93 /* tell basertpaudiopayload that this is a sample based codec */
94 gst_base_rtp_audio_payload_set_sample_based (basertpaudiopayload);
96 /* octet-per-sample is 1 for PCM */
97 gst_base_rtp_audio_payload_set_sample_options (basertpaudiopayload, 1);
101 gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
105 payload->pt = GST_RTP_PAYLOAD_PCMU;
107 gst_basertppayload_set_options (payload, "audio", FALSE, "PCMU", 8000);
108 res = gst_basertppayload_set_outcaps (payload, NULL);
114 gst_rtp_pcmu_pay_plugin_init (GstPlugin * plugin)
116 return gst_element_register (plugin, "rtppcmupay",
117 GST_RANK_SECONDARY, GST_TYPE_RTP_PCMU_PAY);