ijksdl_fourcc.h

/*****************************************************************************
 * ijksdl_fourcc.h
 *****************************************************************************
 *
 * copyright (c) 2013 Zhang Rui <bbcallen@gmail.com>
 *
 * This file is part of ijkPlayer.
 *
 * ijkPlayer 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.
 *
 * ijkPlayer 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 ijkPlayer; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef IJKSDL__IJKSDL_FOURCC_H
#define IJKSDL__IJKSDL_FOURCC_H

#include "ijksdl_stdinc.h"
#include "ijksdl_endian.h"

#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#   define SDL_FOURCC(a, b, c, d) \
        (((uint32_t)a) | (((uint32_t)b) << 8) | (((uint32_t)c) << 16) | (((uint32_t)d) << 24))
#   define SDL_TWOCC(a, b) \
        ((uint16_t)(a) | ((uint16_t)(b) << 8))
#else
#   define SDL_FOURCC(a, b, c, d) \
        (((uint32_t)d) | (((uint32_t)c) << 8) | (((uint32_t)b) << 16) | (((uint32_t)a) << 24))
#   define SDL_TWOCC( a, b ) \
        ((uint16_t)(b) | ((uint16_t)(a) << 8))
#endif

#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#   define SDL_FOURCC(a, b, c, d) \
        (((uint32_t)a) | (((uint32_t)b) << 8) | (((uint32_t)c) << 16) | (((uint32_t)d) << 24))
#   define SDL_TWOCC(a, b) \
        ((uint16_t)(a) | ((uint16_t)(b) << 8))
#else
#   define SDL_FOURCC(a, b, c, d) \
        (((uint32_t)d) | (((uint32_t)c) << 8) | (((uint32_t)b) << 16) | (((uint32_t)a) << 24))
#   define SDL_TWOCC( a, b ) \
        ((uint16_t)(b) | ((uint16_t)(a) << 8))
#endif

/*-
 *  http://www.webartz.com/fourcc/indexyuv.htm
 *  http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html
 *  http://www.fourcc.org/yuv.php
 */

// YUV formats
#define SDL_FCC_YV12    SDL_FOURCC('Y', 'V', '1', '2')  /**< bpp=12, Planar mode: Y + V + U  (3 planes) */
#define SDL_FCC_IYUV    SDL_FOURCC('I', 'Y', 'U', 'V')  /**< bpp=12, Planar mode: Y + U + V  (3 planes) */
#define SDL_FCC_I420    SDL_FOURCC('I', '4', '2', '0')  /**< bpp=12, Planar mode: Y + U + V  (3 planes) */

#define SDL_FCC_YUV2    SDL_FOURCC('Y', 'U', 'V', '2')  /**< bpp=16, Packed mode: Y0+U0+Y1+V0 (1 plane) */
#define SDL_FCC_UYVY    SDL_FOURCC('U', 'Y', 'V', 'Y')  /**< bpp=16, Packed mode: U0+Y0+V0+Y1 (1 plane) */
#define SDL_FCC_YVYU    SDL_FOURCC('Y', 'V', 'Y', 'U')  /**< bpp=16, Packed mode: Y0+V0+Y1+U0 (1 plane) */

// RGB formats
#define SDL_FCC_RV16    SDL_FOURCC('R', 'V', '1', '6')    /**< bpp=16, RGB565 */
#define SDL_FCC_RV32    SDL_FOURCC('R', 'V', '3', '2')    /**< bpp=24, RGBX8888 */

// undefine
#define SDL_FCC_UNDF    SDL_FOURCC('U', 'N', 'D', 'F')    /**< undefined */

#endif