obs-studio/libobs/media-io/video-fourcc.c

/******************************************************************************
    Copyright (C) 2014 by Ruwen Hahn <palana@stunned.de>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/

#include "../util/c99defs.h"
#include "video-io.h"

#define MAKE_FOURCC(a, b, c, d) \
	((uint32_t)(((d) << 24) | ((c) << 16) | ((b) << 8) | (a)))

enum video_format video_format_from_fourcc(uint32_t fourcc)
{
	switch (fourcc) {
		case MAKE_FOURCC('U','Y','V','Y'):
		case MAKE_FOURCC('H','D','Y','C'):
		case MAKE_FOURCC('U','Y','N','V'):
		case MAKE_FOURCC('U','Y','N','Y'):
		case MAKE_FOURCC('u','y','v','1'):
		case MAKE_FOURCC('2','v','u','y'):
		case MAKE_FOURCC('2','V','u','y'):
			return VIDEO_FORMAT_UYVY;

		case MAKE_FOURCC('Y','U','Y','2'):
		case MAKE_FOURCC('Y','4','2','2'):
		case MAKE_FOURCC('V','4','2','2'):
		case MAKE_FOURCC('V','Y','U','Y'):
		case MAKE_FOURCC('Y','U','N','V'):
		case MAKE_FOURCC('y','u','v','2'):
		case MAKE_FOURCC('y','u','v','s'):
			return VIDEO_FORMAT_YUY2;

		case MAKE_FOURCC('Y','V','Y','U'):
			return VIDEO_FORMAT_YVYU;
		
	}
	return VIDEO_FORMAT_NONE;
}