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
23 #include <gst/rtp/gstrtpbuffer.h>
25 #include "gstrtppcmupay.h"
27 /* elementfactory information */
28 static GstElementDetails gst_rtp_pcmu_pay_details =
29 GST_ELEMENT_DETAILS ("RTP packet parser",
30 "Codec/Payloader/Network",
31 "Payload-encodes PCMU audio into a RTP packet",
32 "Edgard Lima <edgard.lima@indt.org.br>");
34 static GstStaticPadTemplate gst_rtp_pcmu_pay_sink_template =
35 GST_STATIC_PAD_TEMPLATE ("sink",
38 GST_STATIC_CAPS ("audio/x-mulaw, channels=(int)1, rate=(int)8000")
41 static GstStaticPadTemplate gst_rtp_pcmu_pay_src_template =
42 GST_STATIC_PAD_TEMPLATE ("src",
45 GST_STATIC_CAPS ("application/x-rtp, "
46 "media = (string) \"audio\", "
47 "payload = (int) " GST_RTP_PAYLOAD_PCMU_STRING ", "
48 "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMU\"")
51 static gboolean gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload,
54 GST_BOILERPLATE (GstRtpPcmuPay, gst_rtp_pcmu_pay, GstBaseRTPAudioPayload,
55 GST_TYPE_BASE_RTP_AUDIO_PAYLOAD);
58 gst_rtp_pcmu_pay_base_init (gpointer klass)
60 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
62 gst_element_class_add_pad_template (element_class,
63 gst_static_pad_template_get (&gst_rtp_pcmu_pay_sink_template));
64 gst_element_class_add_pad_template (element_class,
65 gst_static_pad_template_get (&gst_rtp_pcmu_pay_src_template));
66 gst_element_class_set_details (element_class, &gst_rtp_pcmu_pay_details);
70 gst_rtp_pcmu_pay_class_init (GstRtpPcmuPayClass * klass)
72 GObjectClass *gobject_class;
73 GstElementClass *gstelement_class;
74 GstBaseRTPPayloadClass *gstbasertppayload_class;
76 gobject_class = (GObjectClass *) klass;
77 gstelement_class = (GstElementClass *) klass;
78 gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
80 parent_class = g_type_class_peek_parent (klass);
82 gstbasertppayload_class->set_caps = gst_rtp_pcmu_pay_setcaps;
86 gst_rtp_pcmu_pay_init (GstRtpPcmuPay * rtppcmupay, GstRtpPcmuPayClass * klass)
88 GstBaseRTPAudioPayload *basertpaudiopayload;
90 basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (rtppcmupay);
92 GST_BASE_RTP_PAYLOAD (rtppcmupay)->clock_rate = 8000;
94 /* tell basertpaudiopayload that this is a sample based codec */
95 gst_basertpaudiopayload_set_sample_based (basertpaudiopayload);
97 /* octet-per-sample is 1 for PCM */
98 gst_basertpaudiopayload_set_sample_options (basertpaudiopayload, 1);
102 gst_rtp_pcmu_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
104 payload->pt = GST_RTP_PAYLOAD_PCMU;
105 gst_basertppayload_set_options (payload, "audio", FALSE, "PCMU", 8000);
107 gst_basertppayload_set_outcaps (payload, NULL);
113 gst_rtp_pcmu_pay_plugin_init (GstPlugin * plugin)
115 return gst_element_register (plugin, "rtppcmupay",
116 GST_RANK_NONE, GST_TYPE_RTP_PCMU_PAY);