gstreamer/gst/rtp/gstrtpgsmdepay.c
Philippe Kalaf 9a6ca70be2 gst-plugins-good/gst/rtp/: Fixed payload range in payloder caps. Removed payload range completly from depayloaders as...
Original commit message from CVS:
2005-12-14  Philippe Khalaf  <burger@speedy.org>

* gst-plugins-good/gst/rtp/gstasteriskh263.c:
* gst-plugins-good/gst/rtp/gstrtpamrdepay.c:
* gst-plugins-good/gst/rtp/gstrtpamrpay.c:
* gst-plugins-good/gst/rtp/gstrtpg711depay.c:
* gst-plugins-good/gst/rtp/gstrtpg711depay.c:
* gst-plugins-good/gst/rtp/gstrtpgsmdepay.c:
* gst-plugins-good/gst/rtp/gstrtph263pay.c:
* gst-plugins-good/gst/rtp/gstrtph263pdepay.c:
* gst-plugins-good/gst/rtp/gstrtph263ppay.c:
* gst-plugins-good/gst/rtp/gstrtpmp4vdepay.c:
* gst-plugins-good/gst/rtp/gstrtpmp4vpay.c:
* gst-plugins-good/gst/rtp/gstrtpmpadepay.c:
* gst-plugins-good/gst/rtp/gstrtpmpapay.c:
* gst-plugins-good/gst/rtp/README:
Fixed payload range in payloder caps. Removed payload range completly from
depayloaders as they don't require payload type in their caps. In effect,
there isn't any specific payload type for any given codec, only suggestions.
Fixes bug #324011.
2005-12-14 18:07:16 +00:00

137 lines
4.1 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2005> Zeeshan Ali <zeenix@gmail.com>
*
* 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 <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "gstrtpgsmdepay.h"
/* elementfactory information */
static GstElementDetails gst_rtp_gsmdepay_details = {
"RTP packet parser",
"Codec/Depayr/Network",
"Extracts GSM audio from RTP packets",
"Zeeshan Ali <zeenix@gmail.com>"
};
/* RTPGSMDepay signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
static GstStaticPadTemplate gst_rtp_gsm_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = 1")
);
static GstStaticPadTemplate gst_rtp_gsm_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"audio\", "
"clock-rate = (int) 8000, " "encoding-name = (string) \"GSM\"")
);
static GstBuffer *gst_rtp_gsm_depay_process (GstBaseRTPDepayload * _depayload,
GstBuffer * buf);
static gboolean gst_rtp_gsm_depay_setcaps (GstBaseRTPDepayload * _depayload,
GstCaps * caps);
GST_BOILERPLATE (GstRTPGSMDepay, gst_rtp_gsm_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static void
gst_rtp_gsm_depay_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_gsm_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_gsm_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_gsmdepay_details);
}
static void
gst_rtp_gsm_depay_class_init (GstRTPGSMDepayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPDepayloadClass *gstbasertp_depayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertp_depayload_class = (GstBaseRTPDepayloadClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_DEPAYLOAD);
gstbasertp_depayload_class->process = gst_rtp_gsm_depay_process;
gstbasertp_depayload_class->set_caps = gst_rtp_gsm_depay_setcaps;
}
static void
gst_rtp_gsm_depay_init (GstRTPGSMDepay * rtpgsmdepay,
GstRTPGSMDepayClass * klass)
{
GST_BASE_RTP_DEPAYLOAD (rtpgsmdepay)->clock_rate = 8000;
}
static gboolean
gst_rtp_gsm_depay_setcaps (GstBaseRTPDepayload * _depayload, GstCaps * caps)
{
GstCaps *srccaps;
gboolean ret;
srccaps = gst_static_pad_template_get_caps (&gst_rtp_gsm_depay_src_template);
ret = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (_depayload), srccaps);
gst_caps_unref (srccaps);
return ret;
}
static GstBuffer *
gst_rtp_gsm_depay_process (GstBaseRTPDepayload * _depayload, GstBuffer * buf)
{
GstBuffer *outbuf = NULL;
gint payload_len;
guint8 *payload;
GST_DEBUG ("process : got %d bytes, mark %d ts %u seqn %d",
GST_BUFFER_SIZE (buf),
gst_rtp_buffer_get_marker (buf),
gst_rtp_buffer_get_timestamp (buf), gst_rtp_buffer_get_seq (buf));
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
return outbuf;
}
gboolean
gst_rtp_gsm_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpgsmdepay",
GST_RANK_NONE, GST_TYPE_RTP_GSM_DEPAY);
}