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author | Olivier CrĂȘte <olivier.crete@collabora.co.uk> | 2009-02-10 17:20:57 +0000 |
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committer | Olivier CrĂȘte <olivier.crete@collabora.co.uk> | 2009-03-04 13:24:34 -0500 |
commit | e4b8c514ccdb072881a7378b46d4325a368a88d6 (patch) | |
tree | 173d87a0dfcb8bf9cd31454d8044460cb665ca52 /gst/rtp/gstrtpsirendepay.c | |
parent | 5a5ba49c9b5e20dcbf85c578abcc67c7c9de9377 (diff) |
Move siren rtp pay/depay from gst-plugins-farsight
Diffstat (limited to 'gst/rtp/gstrtpsirendepay.c')
-rw-r--r-- | gst/rtp/gstrtpsirendepay.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/gst/rtp/gstrtpsirendepay.c b/gst/rtp/gstrtpsirendepay.c new file mode 100644 index 00000000..44518149 --- /dev/null +++ b/gst/rtp/gstrtpsirendepay.c @@ -0,0 +1,133 @@ +/* + * Siren Depayloader Gst Element + * + * @author: Youness Alaoui <kakaroto@kakaroto.homelinux.net> + * + * 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 <stdlib.h> +#include <gst/rtp/gstrtpbuffer.h> +#include "gstrtpsirendepay.h" + +/* elementfactory information */ +static const GstElementDetails gst_rtp_siren_depay_details = +GST_ELEMENT_DETAILS ("RTP Siren packet depayloader", + "Codec/Depayloader/Network", + "Extracts Siren audio from RTP packets", + "Philippe Kalaf <philippe.kalaf@collabora.co.uk>"); + + +static GstStaticPadTemplate gst_rtp_siren_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) 16000, " + "encoding-name = (string) \"SIREN\", " "dct-length = (int) 320") + ); + +static GstStaticPadTemplate gst_rtp_siren_depay_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-siren, " "dct-length = (int) 320") + ); + +static GstBuffer *gst_rtp_siren_depay_process (GstBaseRTPDepayload * depayload, + GstBuffer * buf); +static gboolean gst_rtp_siren_depay_setcaps (GstBaseRTPDepayload * depayload, + GstCaps * caps); + +GST_BOILERPLATE (GstRTPSirenDepay, gst_rtp_siren_depay, GstBaseRTPDepayload, + GST_TYPE_BASE_RTP_DEPAYLOAD); + +static void +gst_rtp_siren_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_siren_depay_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_siren_depay_sink_template)); + gst_element_class_set_details (element_class, &gst_rtp_siren_depay_details); +} + +static void +gst_rtp_siren_depay_class_init (GstRTPSirenDepayClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + GstBaseRTPDepayloadClass *gstbasertpdepayload_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass; + + gstbasertpdepayload_class->process = gst_rtp_siren_depay_process; + gstbasertpdepayload_class->set_caps = gst_rtp_siren_depay_setcaps; +} + +static void +gst_rtp_siren_depay_init (GstRTPSirenDepay * rtpsirendepay, + GstRTPSirenDepayClass * klass) +{ + +} + +static gboolean +gst_rtp_siren_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps) +{ + GstCaps *srccaps; + gboolean ret; + + srccaps = gst_caps_new_simple ("audio/x-siren", + "dct-length", G_TYPE_INT, 320, 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); + + /* always fixed clock rate of 16000 */ + depayload->clock_rate = 16000; + + return ret; +} + +static GstBuffer * +gst_rtp_siren_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) +{ + GstBuffer *outbuf; + + outbuf = gst_rtp_buffer_get_payload_buffer (buf); + + return outbuf; +} + +gboolean +gst_rtp_siren_depay_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpsirendepay", + GST_RANK_MARGINAL, GST_TYPE_RTP_SIREN_DEPAY); +} |