2f4a68c8c3
The order and way include macros were structured was chaotic, with no real common thread between files. Try to tidy up the mess with some common scheme, to make things look less messy.
172 lines
5.7 KiB
C
172 lines
5.7 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 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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#include "config.h"
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#include "backends/meta-screen-cast-monitor-stream-src.h"
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#include "backends/meta-backend-private.h"
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#include "backends/meta-logical-monitor.h"
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#include "backends/meta-monitor.h"
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#include "backends/meta-screen-cast-monitor-stream.h"
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#include "clutter/clutter.h"
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#include "clutter/clutter-mutter.h"
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struct _MetaScreenCastMonitorStreamSrc
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{
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MetaScreenCastStreamSrc parent;
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gulong stage_painted_handler_id;
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};
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G_DEFINE_TYPE (MetaScreenCastMonitorStreamSrc,
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meta_screen_cast_monitor_stream_src,
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META_TYPE_SCREEN_CAST_STREAM_SRC)
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static ClutterStage *
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get_stage (MetaScreenCastMonitorStreamSrc *monitor_src)
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{
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MetaScreenCastStreamSrc *src;
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MetaScreenCastStream *stream;
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MetaScreenCastMonitorStream *monitor_stream;
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src = META_SCREEN_CAST_STREAM_SRC (monitor_src);
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stream = meta_screen_cast_stream_src_get_stream (src);
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monitor_stream = META_SCREEN_CAST_MONITOR_STREAM (stream);
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return meta_screen_cast_monitor_stream_get_stage (monitor_stream);
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}
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static MetaMonitor *
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get_monitor (MetaScreenCastMonitorStreamSrc *monitor_src)
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{
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MetaScreenCastStreamSrc *src;
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MetaScreenCastStream *stream;
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MetaScreenCastMonitorStream *monitor_stream;
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src = META_SCREEN_CAST_STREAM_SRC (monitor_src);
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stream = meta_screen_cast_stream_src_get_stream (src);
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monitor_stream = META_SCREEN_CAST_MONITOR_STREAM (stream);
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return meta_screen_cast_monitor_stream_get_monitor (monitor_stream);
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}
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static void
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meta_screen_cast_monitor_stream_src_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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{
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MetaScreenCastMonitorStreamSrc *monitor_src =
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META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
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MetaMonitor *monitor;
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MetaLogicalMonitor *logical_monitor;
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float scale;
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MetaMonitorMode *mode;
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monitor = get_monitor (monitor_src);
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logical_monitor = meta_monitor_get_logical_monitor (monitor);
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mode = meta_monitor_get_current_mode (monitor);
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scale = logical_monitor->scale;
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*width = (int) roundf (logical_monitor->rect.width * scale);
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*height = (int) roundf (logical_monitor->rect.height * scale);
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*frame_rate = meta_monitor_mode_get_refresh_rate (mode);
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}
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static void
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stage_painted (ClutterActor *actor,
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MetaScreenCastMonitorStreamSrc *monitor_src)
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{
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MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (monitor_src);
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meta_screen_cast_stream_src_maybe_record_frame (src);
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}
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static void
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meta_screen_cast_monitor_stream_src_enable (MetaScreenCastStreamSrc *src)
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{
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MetaScreenCastMonitorStreamSrc *monitor_src =
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META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
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ClutterStage *stage;
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stage = get_stage (monitor_src);
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monitor_src->stage_painted_handler_id =
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g_signal_connect_after (stage, "paint",
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G_CALLBACK (stage_painted),
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monitor_src);
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clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
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}
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static void
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meta_screen_cast_monitor_stream_src_disable (MetaScreenCastStreamSrc *src)
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{
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MetaScreenCastMonitorStreamSrc *monitor_src =
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META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
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ClutterStage *stage;
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stage = get_stage (monitor_src);
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g_signal_handler_disconnect (stage, monitor_src->stage_painted_handler_id);
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monitor_src->stage_painted_handler_id = 0;
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}
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static void
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meta_screen_cast_monitor_stream_src_record_frame (MetaScreenCastStreamSrc *src,
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uint8_t *data)
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{
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MetaScreenCastMonitorStreamSrc *monitor_src =
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META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
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ClutterStage *stage;
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MetaMonitor *monitor;
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MetaLogicalMonitor *logical_monitor;
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stage = get_stage (monitor_src);
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monitor = get_monitor (monitor_src);
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logical_monitor = meta_monitor_get_logical_monitor (monitor);
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clutter_stage_capture_into (stage, FALSE, &logical_monitor->rect, data);
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}
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MetaScreenCastMonitorStreamSrc *
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meta_screen_cast_monitor_stream_src_new (MetaScreenCastMonitorStream *monitor_stream,
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GError **error)
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{
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return g_initable_new (META_TYPE_SCREEN_CAST_MONITOR_STREAM_SRC, NULL, error,
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"stream", monitor_stream,
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NULL);
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}
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static void
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meta_screen_cast_monitor_stream_src_init (MetaScreenCastMonitorStreamSrc *monitor_src)
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{
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}
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static void
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meta_screen_cast_monitor_stream_src_class_init (MetaScreenCastMonitorStreamSrcClass *klass)
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{
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MetaScreenCastStreamSrcClass *src_class =
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META_SCREEN_CAST_STREAM_SRC_CLASS (klass);
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src_class->get_specs = meta_screen_cast_monitor_stream_src_get_specs;
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src_class->enable = meta_screen_cast_monitor_stream_src_enable;
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src_class->disable = meta_screen_cast_monitor_stream_src_disable;
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src_class->record_frame = meta_screen_cast_monitor_stream_src_record_frame;
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}
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