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126 lines
4.3 KiB
126 lines
4.3 KiB
/*****************************************************************************
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* chroma.h: libavutil <-> libvlc conversion routines
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*****************************************************************************
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* Copyright (C) 1999-2008 the VideoLAN team
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* $Id$
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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* Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Chroma fourcc -> ffmpeg_id mapping
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*****************************************************************************/
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#define VLC_FF( fcc, fav ) \
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{ VLC_FOURCC fcc, fav }
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#if defined(WORDS_BIGENDIAN)
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# define VLC_FF_RGB_DEFAULT( fcc, le, be ) VLC_FF( fcc, be )
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#else
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# define VLC_FF_RGB_DEFAULT( fcc, le, be ) VLC_FF( fcc, le )
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#endif
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static const struct
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{
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vlc_fourcc_t i_chroma;
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int i_chroma_id;
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} chroma_table[] =
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{
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/* Planar YUV formats */
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VLC_FF( ('I','4','4','4'), PIX_FMT_YUV444P ),
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VLC_FF( ('J','4','4','4'), PIX_FMT_YUVJ444P ),
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#if LIBAVUTIL_VERSION_INT >= ((49<<16)+(5<<8)+0)
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VLC_FF( ('I','4','4','0'), PIX_FMT_YUV440P ),
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VLC_FF( ('J','4','4','0'), PIX_FMT_YUVJ440P ),
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#endif
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VLC_FF( ('I','4','2','2'), PIX_FMT_YUV422P ),
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VLC_FF( ('J','4','2','2'), PIX_FMT_YUVJ422P ),
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VLC_FF( ('I','4','2','0'), PIX_FMT_YUV420P ),
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VLC_FF( ('Y','V','1','2'), PIX_FMT_YUV420P ),
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VLC_FF( ('I','Y','U','V'), PIX_FMT_YUV420P ),
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VLC_FF( ('J','4','2','0'), PIX_FMT_YUVJ420P ),
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VLC_FF( ('I','4','1','1'), PIX_FMT_YUV411P ),
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VLC_FF( ('I','4','1','0'), PIX_FMT_YUV410P ),
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VLC_FF( ('Y','V','U','9'), PIX_FMT_YUV410P ),
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VLC_FF( ('N','V','1','2'), PIX_FMT_NV12 ),
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VLC_FF( ('N','V','2','1'), PIX_FMT_NV21 ),
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/* Packed YUV formats */
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VLC_FF( ('Y','U','Y','2'), PIX_FMT_YUYV422 ),
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VLC_FF( ('Y','U','Y','V'), PIX_FMT_YUYV422 ),
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VLC_FF( ('U','Y','V','Y'), PIX_FMT_UYVY422 ),
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VLC_FF( ('Y','4','1','1'), PIX_FMT_UYYVYY411 ),
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/* Packed RGB formats */
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VLC_FF_RGB_DEFAULT( ('R','G','B','8'), PIX_FMT_RGB8, PIX_FMT_BGR8 ),
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VLC_FF_RGB_DEFAULT( ('R','V','1','5'), PIX_FMT_RGB555, PIX_FMT_BGR555 ),
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VLC_FF_RGB_DEFAULT( ('R','V','1','6'), PIX_FMT_RGB565, PIX_FMT_BGR565 ),
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VLC_FF_RGB_DEFAULT( ('R','V','2','4'), PIX_FMT_RGB24, PIX_FMT_BGR24 ),
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VLC_FF( ('R','V','3','2'), PIX_FMT_RGBA32 ), // FIXME is that wanted
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#if defined(PIX_FMT_RGBA)
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VLC_FF( ('R','G','B','A'), PIX_FMT_RGBA ),
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#endif
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VLC_FF( ('G','R','E','Y'), PIX_FMT_GRAY8 ),
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{ 0, 0 }
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};
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static inline int TestFfmpegChroma( const int i_ffmpeg_id, const vlc_fourcc_t i_vlc_fourcc )
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{
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for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
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{
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if( chroma_table[i].i_chroma == i_vlc_fourcc || chroma_table[i].i_chroma_id == i_ffmpeg_id )
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return VLC_SUCCESS;
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}
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return VLC_EGENERIC;
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}
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/* FIXME special case the RGB formats */
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static inline int GetFfmpegChroma( int *i_ffmpeg_chroma, const video_format_t fmt )
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{
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for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
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{
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if( chroma_table[i].i_chroma == fmt.i_chroma )
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{
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*i_ffmpeg_chroma = chroma_table[i].i_chroma_id;
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return VLC_SUCCESS;
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}
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}
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return VLC_EGENERIC;
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}
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static inline int GetVlcChroma( video_format_t *fmt, const int i_ffmpeg_chroma )
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{
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/* TODO FIXME for rgb format we HAVE to set rgb mask/shift */
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for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
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{
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if( chroma_table[i].i_chroma_id == i_ffmpeg_chroma )
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{
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fmt->i_chroma = chroma_table[i].i_chroma;
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return VLC_SUCCESS;
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}
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}
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return VLC_EGENERIC;
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}
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