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/*****************************************************************************
* chroma.c: libavutil <-> libvlc conversion routines
*****************************************************************************
* Copyright (C) 1999-2008 the VideoLAN team
* $Id: f857f09b3d8dc5250928abf5301838dd35023c4e $
*
* 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 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, write to the Free Software
* 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_codec.h>
#ifdef HAVE_LIBAVCODEC_AVCODEC_H
# include <libavcodec/avcodec.h>
#elif defined(HAVE_FFMPEG_AVCODEC_H)
# include <ffmpeg/avcodec.h>
#else
# include <avcodec.h>
#endif
#include "avcodec.h"
/*****************************************************************************
* Chroma fourcc -> ffmpeg_id mapping
*****************************************************************************/
#if defined(WORDS_BIGENDIAN)
# define VLC_RGB_ES( fcc, leid, beid ) \
{ fcc, beid, 0, 0, 0 },
#else
# define VLC_RGB_ES( fcc, leid, beid ) \
{ fcc, leid, 0, 0, 0 },
#endif
#define VLC_RGB( fcc, leid, beid, rmask, gmask, bmask ) \
{ fcc, leid, rmask, gmask, bmask }, \
{ fcc, beid, bmask, gmask, rmask }, \
VLC_RGB_ES( fcc, leid, beid )
static const struct
{
vlc_fourcc_t i_chroma;
int i_chroma_id;
uint32_t i_rmask;
uint32_t i_gmask;
uint32_t i_bmask;
} chroma_table[] =
{
/* Planar YUV formats */
{VLC_CODEC_I444, PIX_FMT_YUV444P, 0, 0, 0 },
{VLC_CODEC_J444, PIX_FMT_YUVJ444P, 0, 0, 0 },
#if LIBAVUTIL_VERSION_INT >= ((49<<16)+(5<<8)+0)
{VLC_CODEC_I440, PIX_FMT_YUV440P, 0, 0, 0 },
{VLC_CODEC_J440, PIX_FMT_YUVJ440P, 0, 0, 0 },
#endif
{VLC_CODEC_I422, PIX_FMT_YUV422P, 0, 0, 0 },
{VLC_CODEC_J422, PIX_FMT_YUVJ422P, 0, 0, 0 },
{VLC_CODEC_I420, PIX_FMT_YUV420P, 0, 0, 0 },
{VLC_CODEC_YV12, PIX_FMT_YUV420P, 0, 0, 0 },
{VLC_FOURCC('I','Y','U','V'), PIX_FMT_YUV420P, 0, 0, 0 },
{VLC_CODEC_J420, PIX_FMT_YUVJ420P, 0, 0, 0 },
{VLC_CODEC_I411, PIX_FMT_YUV411P, 0, 0, 0 },
{VLC_CODEC_I410, PIX_FMT_YUV410P, 0, 0, 0 },
{VLC_FOURCC('Y','V','U','9'), PIX_FMT_YUV410P, 0, 0, 0 },
{VLC_FOURCC('N','V','1','2'), PIX_FMT_NV12, 0, 0, 0 },
{VLC_FOURCC('N','V','2','1'), PIX_FMT_NV21, 0, 0, 0 },
/* Packed YUV formats */
{VLC_CODEC_YUYV, PIX_FMT_YUYV422, 0, 0, 0 },
{VLC_FOURCC('Y','U','Y','V'), PIX_FMT_YUYV422, 0, 0, 0 },
{VLC_CODEC_UYVY, PIX_FMT_UYVY422, 0, 0, 0 },
{VLC_FOURCC('Y','4','1','1'), PIX_FMT_UYYVYY411, 0, 0, 0 },
/* Packed RGB formats */
VLC_RGB( VLC_FOURCC('R','G','B','4'), PIX_FMT_RGB4, PIX_FMT_BGR4, 0x10, 0x06, 0x01 )
VLC_RGB( VLC_FOURCC('R','G','B','8'), PIX_FMT_RGB8, PIX_FMT_BGR8, 0xC0, 0x38, 0x07 )
VLC_RGB( VLC_CODEC_RGB15, PIX_FMT_BGR555, PIX_FMT_RGB555, 0x7c00, 0x03e0, 0x001f )
VLC_RGB( VLC_CODEC_RGB16, PIX_FMT_BGR565, PIX_FMT_RGB565, 0xf800, 0x07e0, 0x001f )
VLC_RGB( VLC_CODEC_RGB24, PIX_FMT_BGR24, PIX_FMT_RGB24, 0xff0000, 0x00ff00, 0x0000ff )
VLC_RGB( VLC_CODEC_RGB32, PIX_FMT_RGB32, PIX_FMT_BGR32, 0x00ff0000, 0x0000ff00, 0x000000ff )
VLC_RGB( VLC_CODEC_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32_1, 0xff000000, 0x00ff0000, 0x0000ff00 )
{VLC_CODEC_RGBA, PIX_FMT_RGBA, 0xff000000, 0x00ff0000, 0x0000ff00},
{VLC_CODEC_GREY, PIX_FMT_GRAY8, 0, 0, 0},
/* Paletized RGB */
{VLC_CODEC_RGBP, PIX_FMT_PAL8, 0, 0, 0},
{ 0, 0, 0, 0, 0 }
};
int TestFfmpegChroma( const int i_ffmpeg_id, const vlc_fourcc_t i_vlc_fourcc )
{
for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
{
if( chroma_table[i].i_chroma == i_vlc_fourcc || chroma_table[i].i_chroma_id == i_ffmpeg_id )
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
/* FIXME special case the RGB formats */
int GetFfmpegChroma( int *i_ffmpeg_chroma, const video_format_t fmt )
{
for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
{
if( chroma_table[i].i_chroma == fmt.i_chroma )
{
if( ( chroma_table[i].i_rmask == 0 &&
chroma_table[i].i_gmask == 0 &&
chroma_table[i].i_bmask == 0 ) ||
( chroma_table[i].i_rmask == fmt.i_rmask &&
chroma_table[i].i_gmask == fmt.i_gmask &&
chroma_table[i].i_bmask == fmt.i_bmask ) )
{
*i_ffmpeg_chroma = chroma_table[i].i_chroma_id;
return VLC_SUCCESS;
}
}
}
return VLC_EGENERIC;
}
int GetVlcChroma( video_format_t *fmt, const int i_ffmpeg_chroma )
{
/* TODO FIXME for rgb format we HAVE to set rgb mask/shift */
for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
{
if( chroma_table[i].i_chroma_id == i_ffmpeg_chroma )
{
fmt->i_rmask = chroma_table[i].i_rmask;
fmt->i_gmask = chroma_table[i].i_gmask;
fmt->i_bmask = chroma_table[i].i_bmask;
fmt->i_chroma = chroma_table[i].i_chroma;
return VLC_SUCCESS;
}
}
return VLC_EGENERIC;
}
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