gstreamer/sys/kms/gstkmsutils.h
Víctor Manuel Jáquez Leal 1aee6cdc25 kmssink: calculate display ratio
Get the aspect ratio given the information provided by libdrm, and with it
calculate the display ratio.

https://bugzilla.gnome.org/show_bug.cgi?id=761059
2016-04-11 19:57:48 +02:00

45 lines
1.4 KiB
C

/* GStreamer
*
* Copyright (C) 2016 Igalia
*
* Authors:
* Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
* Javier Martin <javiermartin@by.com.es>
*
* 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.
*
*/
#ifndef __GST_KMS_UTILS_H__
#define __GST_KMS_UTILS_H__
#include <gst/video/video.h>
G_BEGIN_DECLS
GstVideoFormat gst_video_format_from_drm (guint32 drmfmt);
guint32 gst_drm_format_from_video (GstVideoFormat fmt);
GstCaps * gst_kms_sink_caps_template_fill (void);
void gst_video_calculate_device_ratio (guint dev_width,
guint dev_height,
guint dev_width_mm,
guint dev_height_mm,
guint * dpy_par_n,
guint * dpy_par_d);
G_END_DECLS
#endif