libexplain  1.4.D001
libexplain/buffer/v4l2_vbi_format.c
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00001 /*
00002  * libexplain - a library of system-call-specific strerror replacements
00003  * Copyright (C) 2011, 2013 Peter Miller
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU Lesser General Public License as
00007  * published by the Free Software Foundation; either version 3 of the
00008  * License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Lesser General Public License
00016  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00017  */
00018 
00019 #include <libexplain/ac/linux/videodev2.h>
00020 
00021 #include <libexplain/buffer/int32_t.h>
00022 #include <libexplain/buffer/pointer.h>
00023 #include <libexplain/buffer/v4l2_pixel_format.h>
00024 #include <libexplain/buffer/v4l2_vbi_flags.h>
00025 #include <libexplain/buffer/v4l2_vbi_format.h>
00026 #include <libexplain/is_efault.h>
00027 #include <libexplain/sizeof.h>
00028 
00029 
00030 #ifdef HAVE_LINUX_VIDEODEV2_H
00031 
00032 void
00033 explain_buffer_v4l2_vbi_format(explain_string_buffer_t *sb,
00034     const struct v4l2_vbi_format *data)
00035 {
00036     if (explain_is_efault_pointer(data, sizeof(*data)))
00037     {
00038         explain_buffer_pointer(sb, data);
00039         return;
00040     }
00041 
00042     explain_string_buffer_puts(sb, "{ sampling_rate = ");
00043     explain_buffer_uint32_t(sb, data->sampling_rate);
00044     explain_string_buffer_puts(sb, ", offset = ");
00045     explain_buffer_uint32_t(sb, data->offset);
00046     explain_string_buffer_puts(sb, ", samples_per_line = ");
00047     explain_buffer_uint32_t(sb, data->samples_per_line);
00048     explain_string_buffer_puts(sb, ", sample_format = ");
00049     explain_buffer_v4l2_pixel_format(sb, data->sample_format);
00050     explain_string_buffer_puts(sb, ", start = ");
00051     explain_buffer_int32_array(sb, data->start, SIZEOF(data->start));
00052     explain_string_buffer_puts(sb, ", count = ");
00053     explain_buffer_uint32_array(sb, data->count, SIZEOF(data->count));
00054     explain_string_buffer_puts(sb, ", flags = ");
00055     explain_buffer_v4l2_vbi_flags(sb, data->flags);
00056     if (!explain_uint32_array_all_zero(data->reserved, SIZEOF(data->reserved)))
00057     {
00058         explain_string_buffer_puts(sb, ", reserved = ");
00059         explain_buffer_uint32_array(sb, data->reserved, SIZEOF(data->reserved));
00060     }
00061     explain_string_buffer_puts(sb, " }");
00062 }
00063 
00064 #endif
00065 
00066 /* vim: set ts=8 sw=4 et : */