mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-04-26 05:06:17 +00:00
Merge branch 'plugin-move-rtp-opus'
Move Opus RTP depayloader/payloader from -bad to -good. https://bugzilla.gnome.org/show_bug.cgi?id=756282
This commit is contained in:
commit
3b970e9b5e
4 changed files with 568 additions and 0 deletions
175
gst/rtp/gstrtpopusdepay.c
Normal file
175
gst/rtp/gstrtpopusdepay.c
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@ -0,0 +1,175 @@
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/*
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* Opus Depayloader Gst Element
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*
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* @author: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk>
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*
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||||||
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* This library is free software; you can redistribute it and/or
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||||||
|
* 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.
|
||||||
|
*
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||||||
|
* 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., 51 Franklin St, Fifth Floor,
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||||||
|
* Boston, MA 02110-1301, USA.
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||||||
|
*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <gst/rtp/gstrtpbuffer.h>
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#include <gst/audio/audio.h>
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#include "gstrtpopusdepay.h"
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GST_DEBUG_CATEGORY_STATIC (rtpopusdepay_debug);
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#define GST_CAT_DEFAULT (rtpopusdepay_debug)
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static GstStaticPadTemplate gst_rtp_opus_depay_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp, "
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"media = (string) \"audio\", "
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"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ","
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"clock-rate = (int) 48000, "
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"encoding-name = (string) { \"OPUS\", \"X-GST-OPUS-DRAFT-SPITTKA-00\" }")
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);
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|
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static GstStaticPadTemplate gst_rtp_opus_depay_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-opus, channel-mapping-family = (int) 0")
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|
);
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|
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static GstBuffer *gst_rtp_opus_depay_process (GstRTPBaseDepayload * depayload,
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GstBuffer * buf);
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static gboolean gst_rtp_opus_depay_setcaps (GstRTPBaseDepayload * depayload,
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GstCaps * caps);
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|
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G_DEFINE_TYPE (GstRTPOpusDepay, gst_rtp_opus_depay,
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GST_TYPE_RTP_BASE_DEPAYLOAD);
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|
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static void
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gst_rtp_opus_depay_class_init (GstRTPOpusDepayClass * klass)
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{
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GstRTPBaseDepayloadClass *gstbasertpdepayload_class;
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GstElementClass *element_class;
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|
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element_class = GST_ELEMENT_CLASS (klass);
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gstbasertpdepayload_class = (GstRTPBaseDepayloadClass *) klass;
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|
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_rtp_opus_depay_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_rtp_opus_depay_sink_template));
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gst_element_class_set_static_metadata (element_class,
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"RTP Opus packet depayloader", "Codec/Depayloader/Network/RTP",
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"Extracts Opus audio from RTP packets",
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"Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk>");
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|
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gstbasertpdepayload_class->process = gst_rtp_opus_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_opus_depay_setcaps;
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GST_DEBUG_CATEGORY_INIT (rtpopusdepay_debug, "rtpopusdepay", 0,
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"Opus RTP Depayloader");
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}
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static void
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gst_rtp_opus_depay_init (GstRTPOpusDepay * rtpopusdepay)
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|
{
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|
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}
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static gboolean
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gst_rtp_opus_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
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|
{
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GstCaps *srccaps;
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GstStructure *s;
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gboolean ret;
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const gchar *sprop_stereo, *sprop_maxcapturerate;
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srccaps =
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gst_caps_new_simple ("audio/x-opus", "channel-mapping-family", G_TYPE_INT,
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0, NULL);
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s = gst_caps_get_structure (caps, 0);
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if ((sprop_stereo = gst_structure_get_string (s, "sprop-stereo"))) {
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if (strcmp (sprop_stereo, "0") == 0)
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gst_caps_set_simple (srccaps, "channels", G_TYPE_INT, 1, NULL);
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else if (strcmp (sprop_stereo, "1") == 0)
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gst_caps_set_simple (srccaps, "channels", G_TYPE_INT, 2, NULL);
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else
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GST_WARNING_OBJECT (depayload, "Unknown sprop-stereo value '%s'",
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sprop_stereo);
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}
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|
if ((sprop_maxcapturerate =
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gst_structure_get_string (s, "sprop-maxcapturerate"))) {
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gulong rate;
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gchar *tailptr;
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rate = strtoul (sprop_maxcapturerate, &tailptr, 10);
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if (rate > INT_MAX || *tailptr != '\0') {
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GST_WARNING_OBJECT (depayload,
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"Failed to parse sprop-maxcapturerate value '%s'",
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sprop_maxcapturerate);
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} else {
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gst_caps_set_simple (srccaps, "rate", G_TYPE_INT, rate, NULL);
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|
}
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|
}
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|
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ret = gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (depayload), srccaps);
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|
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GST_DEBUG_OBJECT (depayload,
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|
"set caps on source: %" GST_PTR_FORMAT " (ret=%d)", srccaps, ret);
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gst_caps_unref (srccaps);
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|
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depayload->clock_rate = 48000;
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return ret;
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|
}
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|
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|
static gboolean
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foreach_metadata (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
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|
{
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GstRTPOpusDepay *depay = user_data;
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const GstMetaInfo *info = (*meta)->info;
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const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
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|
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||||||
|
if (!tags || (g_strv_length ((gchar **) tags) == 1
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|
&& gst_meta_api_type_has_tag (info->api,
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g_quark_from_string (GST_META_TAG_AUDIO_STR)))) {
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GST_DEBUG_OBJECT (depay, "keeping metadata %s", g_type_name (info->api));
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} else {
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GST_DEBUG_OBJECT (depay, "dropping metadata %s", g_type_name (info->api));
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*meta = NULL;
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}
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|
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return TRUE;
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}
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||||||
|
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||||||
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static GstBuffer *
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gst_rtp_opus_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
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|
{
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GstBuffer *outbuf;
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GstRTPBuffer rtpbuf = { NULL, };
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|
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gst_rtp_buffer_map (buf, GST_MAP_READ, &rtpbuf);
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outbuf = gst_rtp_buffer_get_payload_buffer (&rtpbuf);
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gst_rtp_buffer_unmap (&rtpbuf);
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|
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outbuf = gst_buffer_make_writable (outbuf);
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/* Filter away all metas that are not sensible to copy */
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gst_buffer_foreach_meta (outbuf, foreach_metadata, depayload);
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|
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||||||
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return outbuf;
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||||||
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}
|
57
gst/rtp/gstrtpopusdepay.h
Normal file
57
gst/rtp/gstrtpopusdepay.h
Normal file
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@ -0,0 +1,57 @@
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||||||
|
/*
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||||||
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* Opus Depayloader Gst Element
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||||||
|
*
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||||||
|
* @author: Danilo Cesar Lemes de Paula <danilo.eu@gmail.com>
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||||||
|
*
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||||||
|
* 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., 51 Franklin St, Fifth Floor,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
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||||||
|
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#ifndef __GST_RTP_OPUS_DEPAY_H__
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#define __GST_RTP_OPUS_DEPAY_H__
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|
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#include <gst/gst.h>
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#include <gst/rtp/gstrtpbasedepayload.h>
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|
|
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|
G_BEGIN_DECLS typedef struct _GstRTPOpusDepay GstRTPOpusDepay;
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typedef struct _GstRTPOpusDepayClass GstRTPOpusDepayClass;
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|
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#define GST_TYPE_RTP_OPUS_DEPAY \
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(gst_rtp_opus_depay_get_type())
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|
#define GST_RTP_OPUS_DEPAY(obj) \
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|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_OPUS_DEPAY,GstRTPOpusDepay))
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#define GST_RTP_OPUS_DEPAY_CLASS(klass) \
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|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_OPUS_DEPAY,GstRTPOpusDepayClass))
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#define GST_IS_RTP_OPUS_DEPAY(obj) \
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|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_OPUS_DEPAY))
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|
#define GST_IS_RTP_OPUS_DEPAY_CLASS(klass) \
|
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|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_OPUS_DEPAY))
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|
|
||||||
|
|
||||||
|
struct _GstRTPOpusDepay
|
||||||
|
{
|
||||||
|
GstRTPBaseDepayload depayload;
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||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstRTPOpusDepayClass
|
||||||
|
{
|
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|
GstRTPBaseDepayloadClass parent_class;
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|
};
|
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|
|
||||||
|
GType gst_rtp_opus_depay_get_type (void);
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|
|
||||||
|
G_END_DECLS
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||||||
|
#endif /* __GST_RTP_OPUS_DEPAY_H__ */
|
278
gst/rtp/gstrtpopuspay.c
Normal file
278
gst/rtp/gstrtpopuspay.c
Normal file
|
@ -0,0 +1,278 @@
|
||||||
|
/*
|
||||||
|
* Opus Payloader Gst Element
|
||||||
|
*
|
||||||
|
* @author: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk>
|
||||||
|
*
|
||||||
|
* 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., 51 Franklin St, Fifth Floor,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
# include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include <gst/rtp/gstrtpbuffer.h>
|
||||||
|
#include <gst/audio/audio.h>
|
||||||
|
|
||||||
|
#include "gstrtpopuspay.h"
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_STATIC (rtpopuspay_debug);
|
||||||
|
#define GST_CAT_DEFAULT (rtpopuspay_debug)
|
||||||
|
|
||||||
|
|
||||||
|
static GstStaticPadTemplate gst_rtp_opus_pay_sink_template =
|
||||||
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||||
|
GST_PAD_SINK,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS
|
||||||
|
("audio/x-opus, channels = (int) [1, 2], channel-mapping-family = (int) 0")
|
||||||
|
);
|
||||||
|
|
||||||
|
static GstStaticPadTemplate gst_rtp_opus_pay_src_template =
|
||||||
|
GST_STATIC_PAD_TEMPLATE ("src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS ("application/x-rtp, "
|
||||||
|
"media = (string) \"audio\", "
|
||||||
|
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
|
||||||
|
"clock-rate = (int) 48000, "
|
||||||
|
"encoding-params = (string) \"2\", "
|
||||||
|
"encoding-name = (string) { \"OPUS\", \"X-GST-OPUS-DRAFT-SPITTKA-00\" }")
|
||||||
|
);
|
||||||
|
|
||||||
|
static gboolean gst_rtp_opus_pay_setcaps (GstRTPBasePayload * payload,
|
||||||
|
GstCaps * caps);
|
||||||
|
static GstCaps *gst_rtp_opus_pay_getcaps (GstRTPBasePayload * payload,
|
||||||
|
GstPad * pad, GstCaps * filter);
|
||||||
|
static GstFlowReturn gst_rtp_opus_pay_handle_buffer (GstRTPBasePayload *
|
||||||
|
payload, GstBuffer * buffer);
|
||||||
|
|
||||||
|
G_DEFINE_TYPE (GstRtpOPUSPay, gst_rtp_opus_pay, GST_TYPE_RTP_BASE_PAYLOAD);
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_rtp_opus_pay_class_init (GstRtpOPUSPayClass * klass)
|
||||||
|
{
|
||||||
|
GstRTPBasePayloadClass *gstbasertppayload_class;
|
||||||
|
GstElementClass *element_class;
|
||||||
|
|
||||||
|
gstbasertppayload_class = (GstRTPBasePayloadClass *) klass;
|
||||||
|
element_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
|
||||||
|
gstbasertppayload_class->set_caps = gst_rtp_opus_pay_setcaps;
|
||||||
|
gstbasertppayload_class->get_caps = gst_rtp_opus_pay_getcaps;
|
||||||
|
gstbasertppayload_class->handle_buffer = gst_rtp_opus_pay_handle_buffer;
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&gst_rtp_opus_pay_src_template));
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&gst_rtp_opus_pay_sink_template));
|
||||||
|
|
||||||
|
gst_element_class_set_static_metadata (element_class,
|
||||||
|
"RTP Opus payloader",
|
||||||
|
"Codec/Payloader/Network/RTP",
|
||||||
|
"Puts Opus audio in RTP packets",
|
||||||
|
"Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk>");
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_INIT (rtpopuspay_debug, "rtpopuspay", 0,
|
||||||
|
"Opus RTP Payloader");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_rtp_opus_pay_init (GstRtpOPUSPay * rtpopuspay)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_rtp_opus_pay_setcaps (GstRTPBasePayload * payload, GstCaps * caps)
|
||||||
|
{
|
||||||
|
gboolean res;
|
||||||
|
GstCaps *src_caps;
|
||||||
|
GstStructure *s;
|
||||||
|
char *encoding_name;
|
||||||
|
gint channels, rate;
|
||||||
|
const char *sprop_stereo = NULL;
|
||||||
|
char *sprop_maxcapturerate = NULL;
|
||||||
|
|
||||||
|
src_caps = gst_pad_get_allowed_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
|
||||||
|
if (src_caps) {
|
||||||
|
src_caps = gst_caps_make_writable (src_caps);
|
||||||
|
src_caps = gst_caps_truncate (src_caps);
|
||||||
|
s = gst_caps_get_structure (src_caps, 0);
|
||||||
|
gst_structure_fixate_field_string (s, "encoding-name", "OPUS");
|
||||||
|
encoding_name = g_strdup (gst_structure_get_string (s, "encoding-name"));
|
||||||
|
gst_caps_unref (src_caps);
|
||||||
|
} else {
|
||||||
|
encoding_name = g_strdup ("X-GST-OPUS-DRAFT-SPITTKA-00");
|
||||||
|
}
|
||||||
|
|
||||||
|
s = gst_caps_get_structure (caps, 0);
|
||||||
|
if (gst_structure_get_int (s, "channels", &channels)) {
|
||||||
|
if (channels > 2) {
|
||||||
|
GST_ERROR_OBJECT (payload,
|
||||||
|
"More than 2 channels with channel-mapping-family=0 is invalid");
|
||||||
|
return FALSE;
|
||||||
|
} else if (channels == 2) {
|
||||||
|
sprop_stereo = "1";
|
||||||
|
} else {
|
||||||
|
sprop_stereo = "0";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (gst_structure_get_int (s, "rate", &rate)) {
|
||||||
|
sprop_maxcapturerate = g_strdup_printf ("%d", rate);
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_rtp_base_payload_set_options (payload, "audio", FALSE,
|
||||||
|
encoding_name, 48000);
|
||||||
|
g_free (encoding_name);
|
||||||
|
|
||||||
|
if (sprop_maxcapturerate && sprop_stereo) {
|
||||||
|
res =
|
||||||
|
gst_rtp_base_payload_set_outcaps (payload, "sprop-maxcapturerate",
|
||||||
|
G_TYPE_STRING, sprop_maxcapturerate, "sprop-stereo", G_TYPE_STRING,
|
||||||
|
sprop_stereo, NULL);
|
||||||
|
} else if (sprop_maxcapturerate) {
|
||||||
|
res =
|
||||||
|
gst_rtp_base_payload_set_outcaps (payload, "sprop-maxcapturerate",
|
||||||
|
G_TYPE_STRING, sprop_maxcapturerate, NULL);
|
||||||
|
} else if (sprop_stereo) {
|
||||||
|
res =
|
||||||
|
gst_rtp_base_payload_set_outcaps (payload, "sprop-stereo",
|
||||||
|
G_TYPE_STRING, sprop_stereo, NULL);
|
||||||
|
} else {
|
||||||
|
res = gst_rtp_base_payload_set_outcaps (payload, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
g_free (sprop_maxcapturerate);
|
||||||
|
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
GstRtpOPUSPay *pay;
|
||||||
|
GstBuffer *outbuf;
|
||||||
|
} CopyMetaData;
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
foreach_metadata (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
|
||||||
|
{
|
||||||
|
CopyMetaData *data = user_data;
|
||||||
|
GstRtpOPUSPay *pay = data->pay;
|
||||||
|
GstBuffer *outbuf = data->outbuf;
|
||||||
|
const GstMetaInfo *info = (*meta)->info;
|
||||||
|
const gchar *const *tags = gst_meta_api_type_get_tags (info->api);
|
||||||
|
|
||||||
|
if (!tags || (g_strv_length ((gchar **) tags) == 1
|
||||||
|
&& gst_meta_api_type_has_tag (info->api,
|
||||||
|
g_quark_from_string (GST_META_TAG_AUDIO_STR)))) {
|
||||||
|
GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
|
||||||
|
GST_DEBUG_OBJECT (pay, "copy metadata %s", g_type_name (info->api));
|
||||||
|
/* simply copy then */
|
||||||
|
info->transform_func (outbuf, *meta, inbuf,
|
||||||
|
_gst_meta_transform_copy, ©_data);
|
||||||
|
} else {
|
||||||
|
GST_DEBUG_OBJECT (pay, "not copying metadata %s", g_type_name (info->api));
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_rtp_opus_pay_handle_buffer (GstRTPBasePayload * basepayload,
|
||||||
|
GstBuffer * buffer)
|
||||||
|
{
|
||||||
|
GstBuffer *outbuf;
|
||||||
|
GstClockTime pts, dts, duration;
|
||||||
|
CopyMetaData data;
|
||||||
|
|
||||||
|
pts = GST_BUFFER_PTS (buffer);
|
||||||
|
dts = GST_BUFFER_DTS (buffer);
|
||||||
|
duration = GST_BUFFER_DURATION (buffer);
|
||||||
|
|
||||||
|
outbuf = gst_rtp_buffer_new_allocate (0, 0, 0);
|
||||||
|
data.pay = GST_RTP_OPUS_PAY (basepayload);
|
||||||
|
data.outbuf = outbuf;
|
||||||
|
gst_buffer_foreach_meta (buffer, foreach_metadata, &data);
|
||||||
|
outbuf = gst_buffer_append (outbuf, buffer);
|
||||||
|
|
||||||
|
GST_BUFFER_PTS (outbuf) = pts;
|
||||||
|
GST_BUFFER_DTS (outbuf) = dts;
|
||||||
|
GST_BUFFER_DURATION (outbuf) = duration;
|
||||||
|
|
||||||
|
/* Push out */
|
||||||
|
return gst_rtp_base_payload_push (basepayload, outbuf);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstCaps *
|
||||||
|
gst_rtp_opus_pay_getcaps (GstRTPBasePayload * payload,
|
||||||
|
GstPad * pad, GstCaps * filter)
|
||||||
|
{
|
||||||
|
GstCaps *caps, *peercaps, *tcaps;
|
||||||
|
GstStructure *s;
|
||||||
|
const gchar *stereo;
|
||||||
|
|
||||||
|
if (pad == GST_RTP_BASE_PAYLOAD_SRCPAD (payload))
|
||||||
|
return
|
||||||
|
GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_opus_pay_parent_class)->get_caps
|
||||||
|
(payload, pad, filter);
|
||||||
|
|
||||||
|
tcaps = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
|
||||||
|
peercaps = gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload),
|
||||||
|
tcaps);
|
||||||
|
gst_caps_unref (tcaps);
|
||||||
|
if (!peercaps)
|
||||||
|
return
|
||||||
|
GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_opus_pay_parent_class)->get_caps
|
||||||
|
(payload, pad, filter);
|
||||||
|
|
||||||
|
if (gst_caps_is_empty (peercaps))
|
||||||
|
return peercaps;
|
||||||
|
|
||||||
|
caps = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
|
||||||
|
|
||||||
|
s = gst_caps_get_structure (peercaps, 0);
|
||||||
|
stereo = gst_structure_get_string (s, "stereo");
|
||||||
|
if (stereo != NULL) {
|
||||||
|
caps = gst_caps_make_writable (caps);
|
||||||
|
|
||||||
|
if (!strcmp (stereo, "1")) {
|
||||||
|
GstCaps *caps2 = gst_caps_copy (caps);
|
||||||
|
|
||||||
|
gst_caps_set_simple (caps, "channels", G_TYPE_INT, 2, NULL);
|
||||||
|
gst_caps_set_simple (caps2, "channels", G_TYPE_INT, 1, NULL);
|
||||||
|
caps = gst_caps_merge (caps, caps2);
|
||||||
|
} else if (!strcmp (stereo, "0")) {
|
||||||
|
GstCaps *caps2 = gst_caps_copy (caps);
|
||||||
|
|
||||||
|
gst_caps_set_simple (caps, "channels", G_TYPE_INT, 1, NULL);
|
||||||
|
gst_caps_set_simple (caps2, "channels", G_TYPE_INT, 2, NULL);
|
||||||
|
caps = gst_caps_merge (caps, caps2);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
gst_caps_unref (peercaps);
|
||||||
|
|
||||||
|
if (filter) {
|
||||||
|
GstCaps *tmp = gst_caps_intersect_full (caps, filter,
|
||||||
|
GST_CAPS_INTERSECT_FIRST);
|
||||||
|
gst_caps_unref (caps);
|
||||||
|
caps = tmp;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (payload, "Returning caps: %" GST_PTR_FORMAT, caps);
|
||||||
|
return caps;
|
||||||
|
}
|
58
gst/rtp/gstrtpopuspay.h
Normal file
58
gst/rtp/gstrtpopuspay.h
Normal file
|
@ -0,0 +1,58 @@
|
||||||
|
/*
|
||||||
|
* Opus Payloader Gst Element
|
||||||
|
*
|
||||||
|
* @author: Danilo Cesar Lemes de Paula <danilo.eu@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 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., 51 Franklin St, Fifth Floor,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_RTP_OPUS_PAY_H__
|
||||||
|
#define __GST_RTP_OPUS_PAY_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/rtp/gstrtpbasepayload.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_RTP_OPUS_PAY \
|
||||||
|
(gst_rtp_opus_pay_get_type())
|
||||||
|
#define GST_RTP_OPUS_PAY(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_OPUS_PAY,GstRtpOPUSPay))
|
||||||
|
#define GST_RTP_OPUS_PAY_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_OPUS_PAY,GstRtpOPUSPayClass))
|
||||||
|
#define GST_IS_RTP_OPUS_PAY(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_OPUS_PAY))
|
||||||
|
#define GST_IS_RTP_OPUS_PAY_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_OPUS_PAY))
|
||||||
|
|
||||||
|
typedef struct _GstRtpOPUSPay GstRtpOPUSPay;
|
||||||
|
typedef struct _GstRtpOPUSPayClass GstRtpOPUSPayClass;
|
||||||
|
|
||||||
|
struct _GstRtpOPUSPay
|
||||||
|
{
|
||||||
|
GstRTPBasePayload payload;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstRtpOPUSPayClass
|
||||||
|
{
|
||||||
|
GstRTPBasePayloadClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_rtp_opus_pay_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_RTP_OPUS_PAY_H__ */
|
Loading…
Reference in a new issue