gstreamer/gst-libs/gst/vaapi/video-format.h
He Junyan 32bf6f1e09 libs: video-format: Refine the video format mapping.
Improve the mapping between va format and gst format. The new map
will be generated dynamically, based on the query result of image
format in VA driver. Also consider the ambiguity of RGB color
format in LSB mode.
2019-09-06 16:43:14 +00:00

67 lines
2 KiB
C

/*
* video-format.h - Video format helpers for VA-API
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_VIDEO_FORMAT_H
#define GST_VAAPI_VIDEO_FORMAT_H
#include <gst/video/video.h>
G_BEGIN_DECLS
const gchar *
gst_vaapi_video_format_to_string (GstVideoFormat format);
gboolean
gst_vaapi_video_format_is_rgb (GstVideoFormat format);
gboolean
gst_vaapi_video_format_is_yuv (GstVideoFormat format);
GstVideoFormat
gst_vaapi_video_format_from_va_fourcc (guint32 fourcc);
GstVideoFormat
gst_vaapi_video_format_from_va_format (const VAImageFormat * va_format);
const VAImageFormat *
gst_vaapi_video_format_to_va_format (GstVideoFormat format);
guint
gst_vaapi_video_format_get_chroma_type (GstVideoFormat format);
guint
gst_vaapi_video_format_get_score (GstVideoFormat format);
GstVideoFormat
gst_vaapi_video_format_from_chroma (guint chroma);
GstVideoFormat
gst_vaapi_video_format_get_best_native (GstVideoFormat format);
gboolean
gst_vaapi_video_format_create_map (VAImageFormat * formats, guint n);
G_END_DECLS
#endif /* GST_VAAPI_VIDEO_FORMAT_H */