9cc2fa2526
To be able to cast windows, which by definition can change in size dynamically, we need a way to specify the video crop meta to adjust to the window size whenever it changes. Add VideoCrop support with a new optional hook `get_videocrop()` in the `ScreenCastStreamSrcClass` which, if defined, can let the child specify a rectangle for the video cropping area. https://gitlab.gnome.org/GNOME/mutter/merge_requests/306 (cherry picked from commit f64eba57ce3fb67a65a5c5755469d4b97067030f)
60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2015-2017 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*/
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#ifndef META_SCREEN_CAST_STREAM_SRC_H
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#define META_SCREEN_CAST_STREAM_SRC_H
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#include <glib-object.h>
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#include "clutter/clutter.h"
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#include "meta/boxes.h"
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typedef struct _MetaScreenCastStream MetaScreenCastStream;
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#define META_TYPE_SCREEN_CAST_STREAM_SRC (meta_screen_cast_stream_src_get_type ())
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G_DECLARE_DERIVABLE_TYPE (MetaScreenCastStreamSrc,
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meta_screen_cast_stream_src,
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META, SCREEN_CAST_STREAM_SRC,
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GObject)
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struct _MetaScreenCastStreamSrcClass
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{
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GObjectClass parent_class;
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void (* get_specs) (MetaScreenCastStreamSrc *src,
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int *width,
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int *height,
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float *frame_rate);
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void (* enable) (MetaScreenCastStreamSrc *src);
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void (* disable) (MetaScreenCastStreamSrc *src);
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void (* record_frame) (MetaScreenCastStreamSrc *src,
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uint8_t *data);
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gboolean (* get_videocrop) (MetaScreenCastStreamSrc *src,
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MetaRectangle *crop_rect);
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};
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void meta_screen_cast_stream_src_maybe_record_frame (MetaScreenCastStreamSrc *src);
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MetaScreenCastStream * meta_screen_cast_stream_src_get_stream (MetaScreenCastStreamSrc *src);
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#endif /* META_SCREEN_CAST_STREAM_SRC_H */
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