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180 lines
6.4 KiB
180 lines
6.4 KiB
/*****************************************************************************
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* chroma.c: 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 021100301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <vlc_common.h>
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#include <vlc_codec.h>
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#include <libavutil/avutil.h>
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#include <libavutil/pixfmt.h>
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#include "chroma.h"
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/*****************************************************************************
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* Chroma fourcc -> ffmpeg_id mapping
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*****************************************************************************/
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#if defined(WORDS_BIGENDIAN)
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# define VLC_RGB_ES( fcc, leid, beid ) \
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{ fcc, beid, 0, 0, 0 },
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#else
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# define VLC_RGB_ES( fcc, leid, beid ) \
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{ fcc, leid, 0, 0, 0 },
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#endif
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#define VLC_RGB( fcc, leid, beid, rmask, gmask, bmask ) \
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{ fcc, leid, rmask, gmask, bmask }, \
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{ fcc, beid, bmask, gmask, rmask }, \
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VLC_RGB_ES( fcc, leid, beid )
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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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uint32_t i_rmask;
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uint32_t i_gmask;
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uint32_t i_bmask;
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} chroma_table[] =
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{
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/* Planar YUV formats */
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{VLC_CODEC_I444, PIX_FMT_YUV444P, 0, 0, 0 },
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{VLC_CODEC_J444, PIX_FMT_YUVJ444P, 0, 0, 0 },
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#if LIBAVUTIL_VERSION_INT >= ((49<<16)+(5<<8)+0)
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{VLC_CODEC_I440, PIX_FMT_YUV440P, 0, 0, 0 },
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{VLC_CODEC_J440, PIX_FMT_YUVJ440P, 0, 0, 0 },
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#endif
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{VLC_CODEC_I422, PIX_FMT_YUV422P, 0, 0, 0 },
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{VLC_CODEC_J422, PIX_FMT_YUVJ422P, 0, 0, 0 },
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{VLC_CODEC_I420, PIX_FMT_YUV420P, 0, 0, 0 },
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{VLC_CODEC_YV12, PIX_FMT_YUV420P, 0, 0, 0 },
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{VLC_FOURCC('I','Y','U','V'), PIX_FMT_YUV420P, 0, 0, 0 },
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{VLC_CODEC_J420, PIX_FMT_YUVJ420P, 0, 0, 0 },
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{VLC_CODEC_I411, PIX_FMT_YUV411P, 0, 0, 0 },
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{VLC_CODEC_I410, PIX_FMT_YUV410P, 0, 0, 0 },
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{VLC_FOURCC('Y','V','U','9'), PIX_FMT_YUV410P, 0, 0, 0 },
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{VLC_FOURCC('N','V','1','2'), PIX_FMT_NV12, 0, 0, 0 },
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{VLC_FOURCC('N','V','2','1'), PIX_FMT_NV21, 0, 0, 0 },
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#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(4<<8)+0)
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{VLC_CODEC_I420_9L, PIX_FMT_YUV420P9LE, 0, 0, 0 },
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{VLC_CODEC_I420_9B, PIX_FMT_YUV420P9BE, 0, 0, 0 },
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{VLC_CODEC_I420_10L, PIX_FMT_YUV420P10LE, 0, 0, 0 },
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{VLC_CODEC_I420_10B, PIX_FMT_YUV420P10BE, 0, 0, 0 },
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#endif
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#if LIBAVUTIL_VERSION_INT > ((51<<16)+(22<<8)+0)
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{VLC_CODEC_I422_9L, PIX_FMT_YUV422P9LE, 0, 0, 0 },
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{VLC_CODEC_I422_9B, PIX_FMT_YUV422P9BE, 0, 0, 0 },
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#endif
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#if LIBAVUTIL_VERSION_INT >= ((51<<16)+(9<<8)+0)
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{VLC_CODEC_I422_10L, PIX_FMT_YUV422P10LE, 0, 0, 0 },
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{VLC_CODEC_I422_10B, PIX_FMT_YUV422P10BE, 0, 0, 0 },
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{VLC_CODEC_I444_9L, PIX_FMT_YUV444P9LE, 0, 0, 0 },
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{VLC_CODEC_I444_9B, PIX_FMT_YUV444P9BE, 0, 0, 0 },
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{VLC_CODEC_I444_10L, PIX_FMT_YUV444P10LE, 0, 0, 0 },
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{VLC_CODEC_I444_10B, PIX_FMT_YUV444P10BE, 0, 0, 0 },
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#endif
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/* Packed YUV formats */
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{VLC_CODEC_YUYV, PIX_FMT_YUYV422, 0, 0, 0 },
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{VLC_FOURCC('Y','U','Y','V'), PIX_FMT_YUYV422, 0, 0, 0 },
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{VLC_CODEC_UYVY, PIX_FMT_UYVY422, 0, 0, 0 },
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{VLC_FOURCC('Y','4','1','1'), PIX_FMT_UYYVYY411, 0, 0, 0 },
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/* Packed RGB formats */
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VLC_RGB( VLC_FOURCC('R','G','B','4'), PIX_FMT_RGB4, PIX_FMT_BGR4, 0x10, 0x06, 0x01 )
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VLC_RGB( VLC_FOURCC('R','G','B','8'), PIX_FMT_RGB8, PIX_FMT_BGR8, 0xC0, 0x38, 0x07 )
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VLC_RGB( VLC_CODEC_RGB15, PIX_FMT_RGB555, PIX_FMT_BGR555, 0x7c00, 0x03e0, 0x001f )
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VLC_RGB( VLC_CODEC_RGB16, PIX_FMT_RGB565, PIX_FMT_BGR565, 0xf800, 0x07e0, 0x001f )
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VLC_RGB( VLC_CODEC_RGB24, PIX_FMT_BGR24, PIX_FMT_RGB24, 0xff0000, 0x00ff00, 0x0000ff )
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VLC_RGB( VLC_CODEC_RGB32, PIX_FMT_RGB32, PIX_FMT_BGR32, 0x00ff0000, 0x0000ff00, 0x000000ff )
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VLC_RGB( VLC_CODEC_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32_1, 0xff000000, 0x00ff0000, 0x0000ff00 )
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{VLC_CODEC_RGBA, PIX_FMT_RGBA, 0xff000000, 0x00ff0000, 0x0000ff00},
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{VLC_CODEC_GREY, PIX_FMT_GRAY8, 0, 0, 0},
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/* Paletized RGB */
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{VLC_CODEC_RGBP, PIX_FMT_PAL8, 0, 0, 0},
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{ 0, 0, 0, 0, 0 }
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};
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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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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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if( ( chroma_table[i].i_rmask == 0 &&
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chroma_table[i].i_gmask == 0 &&
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chroma_table[i].i_bmask == 0 ) ||
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( chroma_table[i].i_rmask == fmt.i_rmask &&
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chroma_table[i].i_gmask == fmt.i_gmask &&
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chroma_table[i].i_bmask == fmt.i_bmask ) )
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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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}
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return VLC_EGENERIC;
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}
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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_rmask = chroma_table[i].i_rmask;
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fmt->i_gmask = chroma_table[i].i_gmask;
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fmt->i_bmask = chroma_table[i].i_bmask;
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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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