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88 lines
3.5 KiB
C
88 lines
3.5 KiB
C
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/* GStreamer
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* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
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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
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* 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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#pragma once
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#include "gstdwriteoverlayobject.h"
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G_BEGIN_DECLS
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#define GST_TYPE_DWRITE_RENDER (gst_dwrite_render_get_type ())
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G_DECLARE_DERIVABLE_TYPE (GstDWriteRender,
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gst_dwrite_render, GST, DWRITE_RENDER, GstObject);
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struct _GstDWriteRenderClass
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{
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GstObjectClass parent_class;
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GstBuffer * (*draw_layout) (GstDWriteRender * render,
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IDWriteTextLayout * layout,
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gint x,
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gint y);
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gboolean (*blend) (GstDWriteRender * render,
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GstBuffer * layout_buf,
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gint x,
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gint y,
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GstBuffer * output);
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gboolean (*update_device) (GstDWriteRender * renderer,
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GstBuffer * buffer);
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gboolean (*handle_allocation_query) (GstDWriteRender * render,
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GstElement * elem,
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GstQuery * query);
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gboolean (*can_inplace) (GstDWriteRender * render,
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GstBuffer * buffer);
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gboolean (*upload) (GstDWriteRender * render,
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const GstVideoInfo * info,
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GstBuffer * in_buf,
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GstBuffer * out_buf);
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};
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GstBuffer * gst_dwrite_render_draw_layout (GstDWriteRender * render,
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IDWriteTextLayout * layout,
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gint x,
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gint y);
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gboolean gst_dwrite_render_blend (GstDWriteRender * render,
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GstBuffer * layout_buf,
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gint x,
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gint y,
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GstBuffer * output);
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gboolean gst_dwrite_render_update_device (GstDWriteRender * render,
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GstBuffer * buffer);
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gboolean gst_dwrite_render_handle_allocation_query (GstDWriteRender * render,
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GstElement * elem,
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GstQuery * query);
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gboolean gst_dwrite_render_can_inplace (GstDWriteRender * render,
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GstBuffer * buffer);
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gboolean gst_dwrite_render_upload (GstDWriteRender * render,
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const GstVideoInfo * info,
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GstBuffer * in_buf,
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GstBuffer * out_buf);
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G_END_DECLS
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