/*****************************************************************************

 * chroma.c: libavutil <-> libvlc conversion routines

 *****************************************************************************

 * Copyright (C) 1999-2008 VLC authors and VideoLAN

 *

 * Authors: Laurent Aimar <fenrir@via.ecp.fr>

 *          Gildas Bazin <gbazin@videolan.org>

 *

 * This program 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 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 021100301, USA.

 *****************************************************************************/

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <vlc_common.h>

#include <vlc_es.h>

/*

 * Common header for swscale, avcodec (and avformat).

 * Only libavutil can be depended on here.

 */

#include "chroma.h"

#include "avcommon_compat.h"

/*****************************************************************************

 * Chroma fourcc -> libavutil pixfmt mapping

 *****************************************************************************/

static const struct vlc_chroma_ffmpeg chroma_table[] =

{

    /* Planar YUV formats */

    {VLC_CODEC_I444, AV_PIX_FMT_YUV444P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444, AV_PIX_FMT_YUVJ444P,  COLOR_RANGE_FULL },

    {VLC_CODEC_I440, AV_PIX_FMT_YUV440P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I440, AV_PIX_FMT_YUVJ440P,  COLOR_RANGE_FULL },

    {VLC_CODEC_I422, AV_PIX_FMT_YUV422P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422, AV_PIX_FMT_YUVJ422P,  COLOR_RANGE_FULL },

    {VLC_CODEC_I420, AV_PIX_FMT_YUV420P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YV12, AV_PIX_FMT_YUV420P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420, AV_PIX_FMT_YUVJ420P,  COLOR_RANGE_FULL },

    {VLC_CODEC_I411, AV_PIX_FMT_YUV411P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I411, AV_PIX_FMT_YUVJ411P,  COLOR_RANGE_FULL },

    {VLC_CODEC_I410, AV_PIX_FMT_YUV410P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_NV12, AV_PIX_FMT_NV12,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_NV21, AV_PIX_FMT_NV21,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_NV16, AV_PIX_FMT_NV16,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_NV24, AV_PIX_FMT_NV24,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_NV42, AV_PIX_FMT_NV42,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420_9L, AV_PIX_FMT_YUV420P9LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420_9B, AV_PIX_FMT_YUV420P9BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420_10L, AV_PIX_FMT_YUV420P10LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420_10B, AV_PIX_FMT_YUV420P10BE,  COLOR_RANGE_UNDEF },

#ifdef AV_PIX_FMT_YUV420P12 /* 54, 17, 100 */

    {VLC_CODEC_I420_12L, AV_PIX_FMT_YUV420P12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420_12B, AV_PIX_FMT_YUV420P12BE,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_I420_16L, AV_PIX_FMT_YUV420P16LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I420_16B, AV_PIX_FMT_YUV420P16BE,  COLOR_RANGE_UNDEF },

#ifdef AV_PIX_FMT_P010LE

    {VLC_CODEC_P010, AV_PIX_FMT_P010LE,  COLOR_RANGE_UNDEF },

#endif

#ifdef AV_PIX_FMT_P016LE

    {VLC_CODEC_P016, AV_PIX_FMT_P016LE,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_I422_9L, AV_PIX_FMT_YUV422P9LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422_9B, AV_PIX_FMT_YUV422P9BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422_10L, AV_PIX_FMT_YUV422P10LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422_10B, AV_PIX_FMT_YUV422P10BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422_16L, AV_PIX_FMT_YUV422P16LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422_16B, AV_PIX_FMT_YUV422P16BE,  COLOR_RANGE_UNDEF },

#ifdef AV_PIX_FMT_YUV422P12 /* 54, 17, 100 */

    {VLC_CODEC_I422_12L, AV_PIX_FMT_YUV422P12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I422_12B, AV_PIX_FMT_YUV422P12BE,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_YUV420A, AV_PIX_FMT_YUVA420P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YUV422A, AV_PIX_FMT_YUVA422P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YUVA,    AV_PIX_FMT_YUVA444P,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YUVA_444_10L, AV_PIX_FMT_YUVA444P10LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YUVA_444_10B, AV_PIX_FMT_YUVA444P10BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YUVA_444_12L, AV_PIX_FMT_YUVA444P12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YUVA_444_12B, AV_PIX_FMT_YUVA444P12BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444_9L, AV_PIX_FMT_YUV444P9LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444_9B, AV_PIX_FMT_YUV444P9BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444_10L, AV_PIX_FMT_YUV444P10LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444_10B, AV_PIX_FMT_YUV444P10BE,  COLOR_RANGE_UNDEF },

#ifdef AV_PIX_FMT_YUV444P12 /* 54, 17, 100 */

    {VLC_CODEC_I444_12L, AV_PIX_FMT_YUV444P12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444_12B, AV_PIX_FMT_YUV444P12BE,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_I444_16L, AV_PIX_FMT_YUV444P16LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_I444_16B, AV_PIX_FMT_YUV444P16BE,  COLOR_RANGE_UNDEF },

    /* Packed YUV formats */

    {VLC_CODEC_YUYV, AV_PIX_FMT_YUYV422,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_UYVY, AV_PIX_FMT_UYVY422,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_YVYU, AV_PIX_FMT_YVYU422,  COLOR_RANGE_UNDEF },

#if LIBAVUTIL_VERSION_CHECK(57, 34, 100)

    {VLC_CODEC_VUYA, AV_PIX_FMT_VUYX,     COLOR_RANGE_UNDEF },

    {VLC_CODEC_VUYX, AV_PIX_FMT_VUYX,     COLOR_RANGE_UNDEF },

#endif

#if LIBAVUTIL_VERSION_CHECK(57, 36, 100)

    {VLC_CODEC_Y210, AV_PIX_FMT_Y210LE,   COLOR_RANGE_UNDEF },

    {VLC_CODEC_Y212, AV_PIX_FMT_Y212LE,   COLOR_RANGE_UNDEF },

    {VLC_CODEC_Y410, AV_PIX_FMT_XV30LE,   COLOR_RANGE_UNDEF },

    {VLC_CODEC_Y412, AV_PIX_FMT_XV36LE,   COLOR_RANGE_UNDEF },

#endif

    /* Packed RGB formats */

    {VLC_CODEC_RGB332, AV_PIX_FMT_RGB8,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGR233, AV_PIX_FMT_BGR8,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGB565BE, AV_PIX_FMT_RGB565BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGB565LE, AV_PIX_FMT_RGB565LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGR565BE, AV_PIX_FMT_BGR565BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGR565LE, AV_PIX_FMT_BGR565LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGB555BE, AV_PIX_FMT_RGB555BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGB555LE, AV_PIX_FMT_RGB555LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGR555BE, AV_PIX_FMT_BGR555BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGR555LE, AV_PIX_FMT_BGR555LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGB24, AV_PIX_FMT_RGB24,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGR24, AV_PIX_FMT_BGR24,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGBX, AV_PIX_FMT_RGB0,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_XRGB, AV_PIX_FMT_0RGB,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGRX, AV_PIX_FMT_BGR0,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_XBGR, AV_PIX_FMT_0BGR,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_RGBA, AV_PIX_FMT_RGBA,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_ARGB, AV_PIX_FMT_ARGB,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_BGRA, AV_PIX_FMT_BGRA,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_ABGR, AV_PIX_FMT_ABGR,  COLOR_RANGE_UNDEF },

#ifdef WORDS_BIGENDIAN

    {VLC_CODEC_RGBA64, AV_PIX_FMT_RGBA64BE,  COLOR_RANGE_UNDEF },

#else /* !WORDS_BIGENDIAN */

    {VLC_CODEC_RGBA64, AV_PIX_FMT_RGBA64LE,  COLOR_RANGE_UNDEF },

#endif /* !WORDS_BIGENDIAN */

#ifdef AV_PIX_FMT_X2BGR10

    {VLC_CODEC_RGBA10LE, AV_PIX_FMT_X2BGR10,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_GREY, AV_PIX_FMT_GRAY8,  COLOR_RANGE_UNDEF},

#ifdef AV_PIX_FMT_GRAY10

    {VLC_CODEC_GREY_10L, AV_PIX_FMT_GRAY10LE,  COLOR_RANGE_UNDEF},

    {VLC_CODEC_GREY_10B, AV_PIX_FMT_GRAY10BE,  COLOR_RANGE_UNDEF},

#endif

#ifdef AV_PIX_FMT_GRAY12

    {VLC_CODEC_GREY_12L, AV_PIX_FMT_GRAY12LE,  COLOR_RANGE_UNDEF},

    {VLC_CODEC_GREY_12B, AV_PIX_FMT_GRAY12BE,  COLOR_RANGE_UNDEF},

#endif

    {VLC_CODEC_GREY_16L, AV_PIX_FMT_GRAY16LE,  COLOR_RANGE_UNDEF},

    {VLC_CODEC_GREY_16B, AV_PIX_FMT_GRAY16BE,  COLOR_RANGE_UNDEF},

     /* Paletized RGB */

    {VLC_CODEC_RGBP, AV_PIX_FMT_PAL8,  COLOR_RANGE_UNDEF},

    {VLC_CODEC_GBR_PLANAR, AV_PIX_FMT_GBRP,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_9L, AV_PIX_FMT_GBRP9LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_9B, AV_PIX_FMT_GBRP9BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_10L, AV_PIX_FMT_GBRP10LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_10B, AV_PIX_FMT_GBRP10BE,  COLOR_RANGE_UNDEF },

#ifdef AV_PIX_FMT_GBRP12 /* 55, 24, 0 / 51, 74, 100 */

    {VLC_CODEC_GBR_PLANAR_12L, AV_PIX_FMT_GBRP12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_12B, AV_PIX_FMT_GBRP12BE,  COLOR_RANGE_UNDEF },

#endif

#ifdef AV_PIX_FMT_GBRP14 /* ffmpeg only */

    {VLC_CODEC_GBR_PLANAR_14L, AV_PIX_FMT_GBRP14LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_14B, AV_PIX_FMT_GBRP14BE,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_GBR_PLANAR_16L, AV_PIX_FMT_GBRP16LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBR_PLANAR_16B, AV_PIX_FMT_GBRP16BE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBRA_PLANAR, AV_PIX_FMT_GBRAP,  COLOR_RANGE_UNDEF },

#ifdef AV_PIX_FMT_GBRAP10 /* 56, 1, 0 / 55, 25, 100 */

    {VLC_CODEC_GBRA_PLANAR_10L, AV_PIX_FMT_GBRAP10LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBRA_PLANAR_10B, AV_PIX_FMT_GBRAP10BE,  COLOR_RANGE_UNDEF },

#endif

#ifdef AV_PIX_FMT_GBRAP12 /* 55, 25, 0, 19, 100 */

    {VLC_CODEC_GBRA_PLANAR_12L, AV_PIX_FMT_GBRAP12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBRA_PLANAR_12B, AV_PIX_FMT_GBRAP12BE,  COLOR_RANGE_UNDEF },

#endif

    {VLC_CODEC_GBRA_PLANAR_16L, AV_PIX_FMT_GBRAP16LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_GBRA_PLANAR_16B, AV_PIX_FMT_GBRAP16BE,  COLOR_RANGE_UNDEF },

    /* XYZ */

    {VLC_CODEC_XYZ_12L, AV_PIX_FMT_XYZ12LE,  COLOR_RANGE_UNDEF },

    {VLC_CODEC_XYZ_12B, AV_PIX_FMT_XYZ12BE,  COLOR_RANGE_UNDEF },

};

const struct vlc_chroma_ffmpeg *GetVlcChromaFfmpegTable( size_t *count )

{

    *count = ARRAY_SIZE(chroma_table);

    return chroma_table;

}

int GetVlcChroma( video_format_t *fmt, enum AVPixelFormat i_ffmpeg_chroma )

{

    for( size_t i = 0; i < ARRAY_SIZE(chroma_table); i++ )

    {

        if( chroma_table[i].i_chroma_id == i_ffmpeg_chroma )

        {

            fmt->i_chroma = chroma_table[i].i_chroma;

            if (chroma_table[i].range != COLOR_RANGE_UNDEF)

                fmt->color_range = chroma_table[i].range;

            return VLC_SUCCESS;

        }

    }

    return VLC_EGENERIC;

}

enum AVPixelFormat FindFfmpegChroma( vlc_fourcc_t fourcc, bool *uv_flipped )

{

    for (size_t i = 0; i < ARRAY_SIZE(chroma_table); i++)

        if( chroma_table[i].i_chroma == fourcc )

        {

            *uv_flipped = fourcc == VLC_CODEC_YV12;

            return chroma_table[i].i_chroma_id;

        }

    return AV_PIX_FMT_NONE;

}