/*

 * Raw Video Codec

 * Copyright (c) 2001 Fabrice Bellard

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg 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.

 *

 * FFmpeg 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 FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

/**

 * @file

 * Raw Video Codec

 */

#include "avcodec.h"

#include "raw.h"

#include "raw_pix_fmt_tags.h"

unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat fmt)

{

    const PixelFormatTag *tags = raw_pix_fmt_tags;

    while (tags->pix_fmt >= 0) {

        if (tags->pix_fmt == fmt)

            return tags->fourcc;

        tags++;

    }

    return 0;

}

static const PixelFormatTag pix_fmt_bps_avi[] = {

    { AV_PIX_FMT_PAL8,    1 },

    { AV_PIX_FMT_PAL8,    2 },

    { AV_PIX_FMT_PAL8,    4 },

    { AV_PIX_FMT_PAL8,    8 },

    { AV_PIX_FMT_RGB444LE, 12 },

    { AV_PIX_FMT_RGB555LE, 15 },

    { AV_PIX_FMT_RGB555LE, 16 },

    { AV_PIX_FMT_BGR24,  24 },

    { AV_PIX_FMT_BGRA,   32 },

    { AV_PIX_FMT_NONE,    0 },

};

static const PixelFormatTag pix_fmt_bps_mov[] = {

    { AV_PIX_FMT_PAL8,      1 },

    { AV_PIX_FMT_PAL8,      2 },

    { AV_PIX_FMT_PAL8,      4 },

    { AV_PIX_FMT_PAL8,      8 },

    { AV_PIX_FMT_RGB555BE, 16 },

    { AV_PIX_FMT_RGB24,    24 },

    { AV_PIX_FMT_ARGB,     32 },

    { AV_PIX_FMT_PAL8,     33 },

    { AV_PIX_FMT_NONE,      0 },

};

static enum AVPixelFormat find_pix_fmt(const PixelFormatTag *tags,

                                       unsigned int fourcc)

{

    while (tags->pix_fmt != AV_PIX_FMT_NONE) {

        if (tags->fourcc == fourcc)

            return tags->pix_fmt;

        tags++;

    }

    return AV_PIX_FMT_NONE;

}

enum AVPixelFormat avpriv_pix_fmt_find(enum PixelFormatTagLists list,

                                       unsigned fourcc)

{

    const PixelFormatTag *tags;

    switch (list) {

    case PIX_FMT_LIST_RAW:

        tags = raw_pix_fmt_tags;

        break;

    case PIX_FMT_LIST_AVI:

        tags = pix_fmt_bps_avi;

        break;

    case PIX_FMT_LIST_MOV:

        tags = pix_fmt_bps_mov;

        break;

    }

    return find_pix_fmt(tags, fourcc);

}