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video_output: add a wextern window which doesn't let the core resize it 

Instead the display module can call vout_window_ReportSize() on its behalf.
This commit is contained in:
Steve Lhomme 2019-05-24 15:22:35 +02:00
parent 38319885e7
commit 7a796c310f
2 changed files with 55 additions and 0 deletions
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2
modules/video_output/Makefile.am
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@ -477,6 +477,7 @@ libvdummy_plugin_la_SOURCES = video_output/vdummy.c
libvideo_splitter_plugin_la_SOURCES = video_output/splitter.c
libvmem_plugin_la_SOURCES = video_output/vmem.c
libwdummy_plugin_la_SOURCES = video_output/wdummy.c
libwextern_plugin_la_SOURCES = video_output/wextern.c
libyuv_plugin_la_SOURCES = video_output/yuv.c
libvgl_plugin_la_SOURCES = video_output/vgl.c
@ -486,5 +487,6 @@ vout_LTLIBRARIES += \
libvideo_splitter_plugin.la \
libvmem_plugin.la \
libwdummy_plugin.la \
libwextern_plugin.la \
libvgl_plugin.la \
libyuv_plugin.la

53
modules/video_output/wextern.c Normal file
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@ -0,0 +1,53 @@
/**
* @file wextern.c
* @brief Dummy video window provider where the size is handled externally
*/
/*****************************************************************************
* Copyright © 2019 VideoLabs, VideoLAN and VideoLAN Authors
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdarg.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout_window.h>
static const struct vout_window_operations ops = {
// .resize: don't let the core resize us on zoom/crop/ar changes
// the display module should do the ReportSize for us
};
static int Open(vout_window_t *wnd)
{
wnd->type = VOUT_WINDOW_TYPE_DUMMY;
wnd->ops = &ops;
return VLC_SUCCESS;
}
vlc_module_begin()
set_shortname(N_("Callback window"))
set_description(N_("External callback window"))
set_category(CAT_VIDEO)
set_subcategory(SUBCAT_VIDEO_VOUT)
set_capability("vout window", 0)
set_callbacks(Open, NULL)
add_shortcut("dummy")
vlc_module_end()