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https://github.com/outbackdingo/UltraGrid.git
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* format is now entered as a parameter string (-g <mode>) * expect currently buffers as big as needed (exactly one frame) TODO: revide if isn't possible to read whole buffer at once (ideally the memmapped one, and extract frames by hand) * now it is needed to set /sys/class/sdivideo/sdivideorxX/bufsize * bump to new driver (2.7.2)
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* util.h
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*
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* Header file for Master Linux SDK example program utility functions.
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*
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* Copyright (C) 2004-2005 Linear Systems Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of Linear Systems Ltd. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY LINEAR SYSTEMS LTD. "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL LINEAR SYSTEMS LTD. OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Linear Systems can be contacted at <http://www.linsys.ca/>.
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*
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*/
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#ifndef _UTIL_H
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#define _UTIL_H
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#include <sys/types.h>
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#define UTIL_ASIRX 0x1
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#define UTIL_ASITX 0x2
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#define UTIL_SDIRX 0x4
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#define UTIL_SDITX 0x8
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struct util_info {
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unsigned int id;
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const char *name;
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unsigned int flags;
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};
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/* External function prototypes */
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ssize_t util_read (const char *name, char *buf, size_t count);
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ssize_t util_write (const char *name, const char *buf, size_t count);
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ssize_t util_strtoul (const char *name, unsigned long int *val);
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ssize_t util_strtoull (const char *name, unsigned long long int *val);
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void fprinttime (FILE *stream, const char *progname);
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struct util_info *getinfo (unsigned int id);
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#endif
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