gstreamer/gst/rtp/gstrtpilbcdepay.c
Wim Taymans 22eb34e2fe gst/rtp/: Fix case of encoding-name and key/value pairs to match the document.
Original commit message from CVS:
* gst/rtp/README:
* gst/rtp/gstrtpilbcdepay.c:
* gst/rtp/gstrtpilbcpay.c:
* gst/rtp/gstrtpmp4gdepay.c:
* gst/rtp/gstrtpmp4gpay.c:
* gst/rtp/gstrtpspeexdepay.c:
* gst/rtp/gstrtpspeexpay.c:
* gst/rtp/gstrtpsv3vdepay.c:
* gst/rtp/gstrtptheoradepay.c:
* gst/rtp/gstrtptheorapay.c:
* gst/rtp/gstrtpvorbisdepay.c:
* gst/rtp/gstrtpvorbispay.c:
Fix case of encoding-name and key/value pairs to match the document.
This is to make interoperation with SDP case-insensitive as required by
the relevant RFCs.
2007-01-25 14:22:53 +00:00

225 lines
6.6 KiB
C

/* GStreamer
* Copyright (C) <2006> Philippe Khalaf <burger@speedy.org>
*
* 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 <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "gstrtpilbcdepay.h"
/* elementfactory information */
static const GstElementDetails gst_rtp_ilbc_depay_details =
GST_ELEMENT_DETAILS ("RTP iLBC packet depayloader",
"Codec/Depayloader/Network",
"Extracts iLBC audio from RTP packets",
"Philippe Kalaf <philippe.kalaf@collabora.co.uk>");
/* RtpiLBCDepay signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_MODE
};
static GstStaticPadTemplate gst_rtp_ilbc_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
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) \"ILBC\", " "mode = (int) { 20, 30 }")
);
static GstStaticPadTemplate gst_rtp_ilbc_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-iLBC, " "mode = (int) { 20, 30 }")
);
static void gst_ilbc_depay_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_ilbc_depay_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static GstBuffer *gst_rtp_ilbc_depay_process (GstBaseRTPDepayload * depayload,
GstBuffer * buf);
static gboolean gst_rtp_ilbc_depay_setcaps (GstBaseRTPDepayload * depayload,
GstCaps * caps);
GST_BOILERPLATE (GstRTPiLBCDepay, gst_rtp_ilbc_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
#define GST_TYPE_ILBC_MODE (gst_ilbc_mode_get_type())
static GType
gst_ilbc_mode_get_type (void)
{
static GType ilbc_mode_type = 0;
static const GEnumValue ilbc_modes[] = {
{GST_ILBC_MODE_20, "20ms frames", "20ms"},
{GST_ILBC_MODE_30, "30ms frames", "30ms"},
{0, NULL, NULL},
};
if (!ilbc_mode_type) {
ilbc_mode_type = g_enum_register_static ("iLBCMode", ilbc_modes);
}
return ilbc_mode_type;
}
static void
gst_rtp_ilbc_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_ilbc_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_ilbc_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_ilbc_depay_details);
}
static void
gst_rtp_ilbc_depay_class_init (GstRTPiLBCDepayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
gobject_class->set_property = gst_ilbc_depay_set_property;
gobject_class->get_property = gst_ilbc_depay_get_property;
g_object_class_install_property (gobject_class, ARG_MODE, g_param_spec_enum ("mode", "Mode", "iLBC frame mode", GST_TYPE_ILBC_MODE, /* enum type */
GST_ILBC_MODE_30, /* default value */
G_PARAM_READWRITE));
parent_class = g_type_class_peek_parent (klass);
gstbasertpdepayload_class->process = gst_rtp_ilbc_depay_process;
gstbasertpdepayload_class->set_caps = gst_rtp_ilbc_depay_setcaps;
}
static void
gst_rtp_ilbc_depay_init (GstRTPiLBCDepay * rtpilbcdepay,
GstRTPiLBCDepayClass * klass)
{
GstBaseRTPDepayload *depayload;
depayload = GST_BASE_RTP_DEPAYLOAD (rtpilbcdepay);
depayload->clock_rate = 8000;
/* Set default mode to 30 */
rtpilbcdepay->mode = GST_ILBC_MODE_30;
}
static gboolean
gst_rtp_ilbc_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
{
GstRTPiLBCDepay *rtpilbcdepay = GST_RTP_ILBC_DEPAY (depayload);
GstCaps *srccaps;
GstStructure *structure;
gboolean ret;
srccaps = gst_caps_copy (gst_static_pad_template_get_caps
(&gst_rtp_ilbc_depay_src_template));
structure = gst_caps_get_structure (srccaps, 0);
gst_structure_set (structure, "mode", G_TYPE_INT,
rtpilbcdepay->mode == GST_ILBC_MODE_30 ? 30 : 20, NULL);
ret = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
GST_DEBUG ("set caps on source: %" GST_PTR_FORMAT " (ret=%d)", srccaps, ret);
gst_caps_unref (srccaps);
return ret;
}
static GstBuffer *
gst_rtp_ilbc_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstBuffer *outbuf = NULL;
gint payload_len;
gint header_len;
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);
header_len = gst_rtp_buffer_calc_header_len (0);
outbuf = gst_buffer_create_sub (buf, header_len, payload_len);
return outbuf;
}
static void
gst_ilbc_depay_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstRTPiLBCDepay *rtpilbcdepay = GST_RTP_ILBC_DEPAY (object);
switch (prop_id) {
case ARG_MODE:
rtpilbcdepay->mode = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_ilbc_depay_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstRTPiLBCDepay *rtpilbcdepay = GST_RTP_ILBC_DEPAY (object);
switch (prop_id) {
case ARG_MODE:
g_value_set_enum (value, rtpilbcdepay->mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
gboolean
gst_rtp_ilbc_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpilbcdepay",
GST_RANK_MARGINAL, GST_TYPE_RTP_ILBC_DEPAY);
}