a547c496 |
/*
* 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
*/
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a547c496 |
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 }, |
279ff8d2 |
int ff_fbdev_get_device_list(AVDeviceInfoList *device_list)
{
struct fb_var_screeninfo varinfo;
struct fb_fix_screeninfo fixinfo;
char device_file[12];
AVDeviceInfo *device = NULL;
int i, fd, ret = 0;
const char *default_device = ff_fbdev_default_device();
if (!device_list)
return AVERROR(EINVAL);
for (i = 0; i <= 31; i++) {
snprintf(device_file, sizeof(device_file), "/dev/fb%d", i);
|
279ff8d2 |
if (ioctl(fd, FBIOGET_VSCREENINFO, &varinfo) == -1)
goto fail_device;
if (ioctl(fd, FBIOGET_FSCREENINFO, &fixinfo) == -1)
goto fail_device;
device = av_mallocz(sizeof(AVDeviceInfo));
if (!device) {
ret = AVERROR(ENOMEM);
goto fail_device;
}
device->device_name = av_strdup(device_file);
device->device_description = av_strdup(fixinfo.id);
if (!device->device_name || !device->device_description) {
ret = AVERROR(ENOMEM);
goto fail_device;
}
if ((ret = av_dynarray_add_nofree(&device_list->devices,
&device_list->nb_devices, device)) < 0)
goto fail_device;
if (default_device && !strcmp(device->device_name, default_device)) {
device_list->default_device = device_list->nb_devices - 1;
default_device = NULL;
}
close(fd);
continue;
fail_device:
if (device) { |