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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 
00028 
00029 #ifndef MMAL_CLOCK_H
00030 #define MMAL_CLOCK_H
00031 
00032 #include "mmal_types.h"
00033 #include "mmal_common.h"
00034 
00067 #define MMAL_CLOCK_PAYLOAD_MAGIC     MMAL_FOURCC('C','K','L','M')
00068 
00070 #define MMAL_CLOCK_PAYLOAD_REFERENCE MMAL_FOURCC('C','R','E','F')
00071 
00073 #define MMAL_CLOCK_PAYLOAD_ACTIVE    MMAL_FOURCC('C','A','C','T')
00074 
00076 #define MMAL_CLOCK_PAYLOAD_SCALE     MMAL_FOURCC('C','S','C','A')
00077 
00079 #define MMAL_CLOCK_PAYLOAD_TIME      MMAL_FOURCC('C','T','I','M')
00080 
00082 #define MMAL_CLOCK_PAYLOAD_INVALID   0
00083 
00086 typedef struct MMAL_CLOCK_PAYLOAD_T
00087 {
00088    uint32_t id;                 
00089    uint32_t magic;              
00090    int64_t time;                
00091    union
00092    {
00093       MMAL_BOOL_T enable;       
00094       MMAL_RATIONAL_T scale;    
00095    } data;
00096 } MMAL_CLOCK_PAYLOAD_T;
00097 
00098 #endif /* MMAL_CLOCK_H */
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