My Project
/home/jvcleave/Desktop/RASPBERRY_PI/userland/interface/mmal/mmal_common.h
Go to the documentation of this file.
00001 /*
00002 Copyright (c) 2012, Broadcom Europe Ltd
00003 All rights reserved.
00004 
00005 Redistribution and use in source and binary forms, with or without
00006 modification, are permitted provided that the following conditions are met:
00007     * Redistributions of source code must retain the above copyright
00008       notice, this list of conditions and the following disclaimer.
00009     * Redistributions in binary form must reproduce the above copyright
00010       notice, this list of conditions and the following disclaimer in the
00011       documentation and/or other materials provided with the distribution.
00012     * Neither the name of the copyright holder nor the
00013       names of its contributors may be used to endorse or promote products
00014       derived from this software without specific prior written permission.
00015 
00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
00017 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00018 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
00020 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00021 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00022 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00023 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00025 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026 */
00027 
00032 #ifndef MMAL_COMMON_H
00033 #define MMAL_COMMON_H
00034 
00035 #include <stdlib.h>
00036 #include <string.h>
00037 #include <stddef.h>
00038 #include <assert.h>
00039 
00040 #include <interface/vcos/vcos.h>
00041 
00042 /* C99 64bits integers */
00043 #ifndef INT64_C
00044 # define INT64_C(value) value##LL
00045 # define UINT64_C(value) value##ULL
00046 #endif
00047 
00048 #define MMAL_TSRING(s) #s
00049 #define MMAL_TO_STRING(s) MMAL_TSRING(s)
00050 
00051 #define MMAL_COUNTOF(x) (sizeof((x))/sizeof((x)[0]))
00052 #define MMAL_MIN(a,b) ((a)<(b)?(a):(b))
00053 #define MMAL_MAX(a,b) ((a)<(b)?(b):(a))
00054 
00055 /* FIXME: should be different for big endian */
00056 #define MMAL_FOURCC(a,b,c,d) ((a) | (b << 8) | (c << 16) | (d << 24))
00057 #define MMAL_PARAM_UNUSED(a) (void)(a)
00058 #define MMAL_MAGIC MMAL_FOURCC('m','m','a','l')
00059 
00060 typedef int32_t MMAL_BOOL_T;
00061 #define MMAL_FALSE   0
00062 #define MMAL_TRUE    1
00063 
00064 typedef struct MMAL_CORE_STATISTICS_T
00065 {
00066    uint32_t buffer_count;        
00067    uint32_t first_buffer_time;   
00068    uint32_t last_buffer_time;    
00069    uint32_t max_delay;           
00070 } MMAL_CORE_STATISTICS_T;
00071 
00074 typedef struct MMAL_CORE_PORT_STATISTICS_T
00075 {
00076    MMAL_CORE_STATISTICS_T rx;
00077    MMAL_CORE_STATISTICS_T tx;
00078 } MMAL_CORE_PORT_STATISTICS_T;
00079 
00081 typedef uint32_t MMAL_FIXED_16_16_T;
00082 
00083 #endif /* MMAL_COMMON_H */
 All Classes Files Functions Variables Typedefs Enumerations Enumerator Defines