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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2011 Stefano Sabatini |
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| 3 | * Copyright (c) 2009 Giliard B. de Freitas |
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| 4 | * Copyright (C) 2002 Gunnar Monell |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #include "fbdev_common.h" |
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| 24 | #include "libavutil/common.h" |
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| 25 | |||
| 26 | struct rgb_pixfmt_map_entry { |
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| 27 | int bits_per_pixel; |
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| 28 | int red_offset, green_offset, blue_offset, alpha_offset; |
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| 29 | enum AVPixelFormat pixfmt; |
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| 30 | }; |
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| 31 | |||
| 32 | static const struct rgb_pixfmt_map_entry rgb_pixfmt_map[] = { |
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| 33 | // bpp, red_offset, green_offset, blue_offset, alpha_offset, pixfmt |
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| 34 | { 32, 0, 8, 16, 24, AV_PIX_FMT_RGBA }, |
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| 35 | { 32, 16, 8, 0, 24, AV_PIX_FMT_BGRA }, |
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| 36 | { 32, 8, 16, 24, 0, AV_PIX_FMT_ARGB }, |
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| 37 | { 32, 3, 2, 8, 0, AV_PIX_FMT_ABGR }, |
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| 38 | { 24, 0, 8, 16, 0, AV_PIX_FMT_RGB24 }, |
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| 39 | { 24, 16, 8, 0, 0, AV_PIX_FMT_BGR24 }, |
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| 40 | { 16, 11, 5, 0, 16, AV_PIX_FMT_RGB565 }, |
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| 41 | }; |
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| 42 | |||
| 43 | enum AVPixelFormat ff_get_pixfmt_from_fb_varinfo(struct fb_var_screeninfo *varinfo) |
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| 44 | { |
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| 45 | int i; |
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| 46 | |||
| 47 | for (i = 0; i < FF_ARRAY_ELEMS(rgb_pixfmt_map); i++) { |
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| 48 | const struct rgb_pixfmt_map_entry *entry = &rgb_pixfmt_map[i]; |
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| 49 | if (entry->bits_per_pixel == varinfo->bits_per_pixel && |
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| 50 | entry->red_offset == varinfo->red.offset && |
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| 51 | entry->green_offset == varinfo->green.offset && |
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| 52 | entry->blue_offset == varinfo->blue.offset) |
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| 53 | return entry->pixfmt; |
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| 54 | } |
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| 55 | |||
| 56 | return AV_PIX_FMT_NONE; |
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| 57 | } |