gstreamer/subprojects/gst-plugins-bad/sys/dwrite/plugin.cpp
Seungha Yang 1c4de219e4 dwrite: Add dwritesubtitleoverlay element
Adding new subtitle overlay element. It's a bin which is wrapping
two internal elements dwritesubtitlemux and dwritetextoverlay.

* dwritesubtitlemux: A new internal element to aggregate subtitle
buffers and to attach the aggregated subtitle buffers on
video buffer as meta.
* dwritetextoverlay: Extracts/renders the subtitle meta and
discard the meta after rendering.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4934>
2023-06-28 20:15:31 +00:00

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1.9 KiB
C++

/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@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.
*/
/**
* plugin-dwrite:
*
* Since: 1.24
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstdwritesubtitlemux.h"
#include "gstdwriteclockoverlay.h"
#include "gstdwritetextoverlay.h"
#include "gstdwritetimeoverlay.h"
#include "gstdwritesubtitleoverlay.h"
GST_DEBUG_CATEGORY (gst_dwrite_debug);
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (gst_dwrite_debug, "dwrite", 0, "dwrite");
gst_element_register (plugin, "dwritesubtitlemux", GST_RANK_NONE,
GST_TYPE_DWRITE_SUBTITLE_MUX);
gst_element_register (plugin, "dwriteclockoverlay", GST_RANK_NONE,
GST_TYPE_DWRITE_CLOCK_OVERLAY);
gst_element_register (plugin, "dwritetextoverlay", GST_RANK_NONE,
GST_TYPE_DWRITE_TEXT_OVERLAY);
gst_element_register (plugin, "dwritetimeoverlay", GST_RANK_NONE,
GST_TYPE_DWRITE_TIME_OVERLAY);
gst_element_register (plugin, "dwritesubtitleoverlay", GST_RANK_NONE,
GST_TYPE_DWRITE_SUBTITLE_OVERLAY);
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
dwrite,
"dwrite",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);