58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2011 Stefano Sabatini
|
|
* Copyright (c) 2009 Giliard B. de Freitas <giliarde@gmail.com>
|
|
* Copyright (C) 2002 Gunnar Monell <gmo@linux.nu>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "fbdev_common.h"
|
|
#include "libavutil/common.h"
|
|
|
|
struct rgb_pixfmt_map_entry {
|
|
int bits_per_pixel;
|
|
int red_offset, green_offset, blue_offset, alpha_offset;
|
|
enum AVPixelFormat pixfmt;
|
|
};
|
|
|
|
static const struct rgb_pixfmt_map_entry rgb_pixfmt_map[] = {
|
|
// bpp, red_offset, green_offset, blue_offset, alpha_offset, pixfmt
|
|
{ 32, 0, 8, 16, 24, AV_PIX_FMT_RGBA },
|
|
{ 32, 16, 8, 0, 24, AV_PIX_FMT_BGRA },
|
|
{ 32, 8, 16, 24, 0, AV_PIX_FMT_ARGB },
|
|
{ 32, 3, 2, 8, 0, AV_PIX_FMT_ABGR },
|
|
{ 24, 0, 8, 16, 0, AV_PIX_FMT_RGB24 },
|
|
{ 24, 16, 8, 0, 0, AV_PIX_FMT_BGR24 },
|
|
{ 16, 11, 5, 0, 16, AV_PIX_FMT_RGB565 },
|
|
};
|
|
|
|
enum AVPixelFormat ff_get_pixfmt_from_fb_varinfo(struct fb_var_screeninfo *varinfo)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(rgb_pixfmt_map); i++) {
|
|
const struct rgb_pixfmt_map_entry *entry = &rgb_pixfmt_map[i];
|
|
if (entry->bits_per_pixel == varinfo->bits_per_pixel &&
|
|
entry->red_offset == varinfo->red.offset &&
|
|
entry->green_offset == varinfo->green.offset &&
|
|
entry->blue_offset == varinfo->blue.offset)
|
|
return entry->pixfmt;
|
|
}
|
|
|
|
return AV_PIX_FMT_NONE;
|
|
}
|