gstreamer/subprojects/gst-plugins-bad/ext/closedcaption/gstclosedcaption.c
Mathieu Duponchelle 84d6323610 closedcaption: implement cea608muxer element
Wrapper aggregator around the CCBuffer internal utility, this
version only supports aggregating CC1 and CC3 608 streams together into
the s334-1a format.

The element exposes CC1 and CC3 request pads.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4084>
2023-03-02 00:27:47 +00:00

60 lines
1.8 KiB
C

/*
* GStreamer
* Copyright (C) 2018 Edward Hervey <edward@centricular.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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gst/gst.h>
#include "gstcccombiner.h"
#include "gstccconverter.h"
#include "gstccextractor.h"
#include "gstcea608mux.h"
#include "gstline21dec.h"
#include "gstceaccoverlay.h"
#include "gstline21enc.h"
#include "ccutils.h"
static gboolean
closedcaption_init (GstPlugin * plugin)
{
gboolean ret = FALSE;
GST_DEBUG_CATEGORY_INIT (ccutils_debug_cat, "ccutils", 0,
"Closed caption utilities");
ret |= GST_ELEMENT_REGISTER (cccombiner, plugin);
ret |= GST_ELEMENT_REGISTER (cea608mux, plugin);
ret |= GST_ELEMENT_REGISTER (ccconverter, plugin);
ret |= GST_ELEMENT_REGISTER (ccextractor, plugin);
ret |= GST_ELEMENT_REGISTER (line21decoder, plugin);
ret |= GST_ELEMENT_REGISTER (cc708overlay, plugin);
ret |= GST_ELEMENT_REGISTER (line21encoder, plugin);
return ret;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
closedcaption,
"Closed Caption elements",
closedcaption_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)