1 /*****************************************************************************
2 * chroma.c: libavutil <-> libvlc conversion routines
3 *****************************************************************************
4 * Copyright (C) 1999-2008 VLC authors and VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 021100301, USA.
23 *****************************************************************************/
29 #include <vlc_common.h>
30 #include <vlc_codec.h>
32 #include <libavutil/avutil.h>
33 #include <libavutil/pixfmt.h>
36 /*****************************************************************************
37 * Chroma fourcc -> libavutil pixfmt mapping
38 *****************************************************************************/
39 #if defined(WORDS_BIGENDIAN)
40 # define VLC_RGB_ES( fcc, leid, beid ) \
41 { fcc, beid, 0, 0, 0 },
43 # define VLC_RGB_ES( fcc, leid, beid ) \
44 { fcc, leid, 0, 0, 0 },
47 #define VLC_RGB( fcc, leid, beid, rmask, gmask, bmask ) \
48 { fcc, leid, rmask, gmask, bmask }, \
49 { fcc, beid, bmask, gmask, rmask }, \
50 VLC_RGB_ES( fcc, leid, beid )
55 vlc_fourcc_t i_chroma;
63 /* Planar YUV formats */
64 {VLC_CODEC_I444, PIX_FMT_YUV444P, 0, 0, 0 },
65 {VLC_CODEC_J444, PIX_FMT_YUVJ444P, 0, 0, 0 },
67 {VLC_CODEC_I440, PIX_FMT_YUV440P, 0, 0, 0 },
68 {VLC_CODEC_J440, PIX_FMT_YUVJ440P, 0, 0, 0 },
70 {VLC_CODEC_I422, PIX_FMT_YUV422P, 0, 0, 0 },
71 {VLC_CODEC_J422, PIX_FMT_YUVJ422P, 0, 0, 0 },
73 {VLC_CODEC_I420, PIX_FMT_YUV420P, 0, 0, 0 },
74 {VLC_CODEC_YV12, PIX_FMT_YUV420P, 0, 0, 0 },
75 {VLC_FOURCC('I','Y','U','V'), PIX_FMT_YUV420P, 0, 0, 0 },
76 {VLC_CODEC_J420, PIX_FMT_YUVJ420P, 0, 0, 0 },
77 {VLC_CODEC_I411, PIX_FMT_YUV411P, 0, 0, 0 },
78 {VLC_CODEC_I410, PIX_FMT_YUV410P, 0, 0, 0 },
79 {VLC_FOURCC('Y','V','U','9'), PIX_FMT_YUV410P, 0, 0, 0 },
81 {VLC_FOURCC('N','V','1','2'), PIX_FMT_NV12, 0, 0, 0 },
82 {VLC_FOURCC('N','V','2','1'), PIX_FMT_NV21, 0, 0, 0 },
84 {VLC_CODEC_I420_9L, PIX_FMT_YUV420P9LE, 0, 0, 0 },
85 {VLC_CODEC_I420_9B, PIX_FMT_YUV420P9BE, 0, 0, 0 },
86 {VLC_CODEC_I420_10L, PIX_FMT_YUV420P10LE, 0, 0, 0 },
87 {VLC_CODEC_I420_10B, PIX_FMT_YUV420P10BE, 0, 0, 0 },
88 {VLC_CODEC_I422_9L, PIX_FMT_YUV422P9LE, 0, 0, 0 },
89 {VLC_CODEC_I422_9B, PIX_FMT_YUV422P9BE, 0, 0, 0 },
90 {VLC_CODEC_I422_10L, PIX_FMT_YUV422P10LE, 0, 0, 0 },
91 {VLC_CODEC_I422_10B, PIX_FMT_YUV422P10BE, 0, 0, 0 },
93 {VLC_CODEC_I444_9L, PIX_FMT_YUV444P9LE, 0, 0, 0 },
94 {VLC_CODEC_I444_9B, PIX_FMT_YUV444P9BE, 0, 0, 0 },
95 {VLC_CODEC_I444_10L, PIX_FMT_YUV444P10LE, 0, 0, 0 },
96 {VLC_CODEC_I444_10B, PIX_FMT_YUV444P10BE, 0, 0, 0 },
98 /* Packed YUV formats */
99 {VLC_CODEC_YUYV, PIX_FMT_YUYV422, 0, 0, 0 },
100 {VLC_FOURCC('Y','U','Y','V'), PIX_FMT_YUYV422, 0, 0, 0 },
101 {VLC_CODEC_UYVY, PIX_FMT_UYVY422, 0, 0, 0 },
102 {VLC_FOURCC('Y','4','1','1'), PIX_FMT_UYYVYY411, 0, 0, 0 },
104 /* Packed RGB formats */
105 VLC_RGB( VLC_FOURCC('R','G','B','4'), PIX_FMT_RGB4, PIX_FMT_BGR4, 0x10, 0x06, 0x01 )
106 VLC_RGB( VLC_FOURCC('R','G','B','8'), PIX_FMT_RGB8, PIX_FMT_BGR8, 0xC0, 0x38, 0x07 )
108 VLC_RGB( VLC_CODEC_RGB15, PIX_FMT_RGB555, PIX_FMT_BGR555, 0x7c00, 0x03e0, 0x001f )
109 VLC_RGB( VLC_CODEC_RGB16, PIX_FMT_RGB565, PIX_FMT_BGR565, 0xf800, 0x07e0, 0x001f )
110 VLC_RGB( VLC_CODEC_RGB24, PIX_FMT_BGR24, PIX_FMT_RGB24, 0xff0000, 0x00ff00, 0x0000ff )
112 VLC_RGB( VLC_CODEC_RGB32, PIX_FMT_RGB32, PIX_FMT_BGR32, 0x00ff0000, 0x0000ff00, 0x000000ff )
113 VLC_RGB( VLC_CODEC_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32_1, 0xff000000, 0x00ff0000, 0x0000ff00 )
115 {VLC_CODEC_RGBA, PIX_FMT_RGBA, 0xff000000, 0x00ff0000, 0x0000ff00},
116 {VLC_CODEC_GREY, PIX_FMT_GRAY8, 0, 0, 0},
119 {VLC_CODEC_RGBP, PIX_FMT_PAL8, 0, 0, 0},
125 /* FIXME special case the RGB formats */
126 int GetFfmpegChroma( int *restrict i_ffmpeg_chroma, const video_format_t *fmt )
128 for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
130 if( chroma_table[i].i_chroma == fmt->i_chroma )
132 if( ( chroma_table[i].i_rmask == 0 &&
133 chroma_table[i].i_gmask == 0 &&
134 chroma_table[i].i_bmask == 0 ) ||
135 ( chroma_table[i].i_rmask == fmt->i_rmask &&
136 chroma_table[i].i_gmask == fmt->i_gmask &&
137 chroma_table[i].i_bmask == fmt->i_bmask ) )
139 *i_ffmpeg_chroma = chroma_table[i].i_chroma_id;
147 vlc_fourcc_t FindVlcChroma( int i_ffmpeg_id )
149 for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
150 if( chroma_table[i].i_chroma_id == i_ffmpeg_id )
151 return chroma_table[i].i_chroma;
155 int GetVlcChroma( video_format_t *fmt, int i_ffmpeg_chroma )
157 /* TODO FIXME for rgb format we HAVE to set rgb mask/shift */
158 for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
160 if( chroma_table[i].i_chroma_id == i_ffmpeg_chroma )
162 fmt->i_rmask = chroma_table[i].i_rmask;
163 fmt->i_gmask = chroma_table[i].i_gmask;
164 fmt->i_bmask = chroma_table[i].i_bmask;
165 fmt->i_chroma = chroma_table[i].i_chroma;
172 int FindFfmpegChroma( vlc_fourcc_t fourcc )
174 for( int i = 0; chroma_table[i].i_chroma != 0; i++ )
175 if( chroma_table[i].i_chroma == fourcc )
176 return chroma_table[i].i_chroma_id;