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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 #ifndef MMAL_METADATA_H 00029 #define MMAL_METADATA_H 00030 00031 #include "mmal_common.h" 00032 00036 /* @{ */ 00037 00039 /* @{ */ 00040 #define MMAL_METADATA_HELLO_WORLD MMAL_FOURCC('H','E','L','O') 00041 /* @} */ 00042 00044 typedef struct MMAL_METATDATA_T 00045 { 00046 uint32_t id; 00047 uint32_t size; 00048 } MMAL_METADATA_T; 00049 00051 typedef struct MMAL_METATDATA_HELLO_WORLD_T 00052 { 00053 uint32_t id; 00054 uint32_t size; 00056 uint32_t myvalue; 00057 } MMAL_METADATA_HELLO_WORLD_T; 00058 00068 MMAL_METADATA_T *mmal_metadata_get(MMAL_BUFFER_HEADER_T *header, uint32_t id); 00069 00080 MMAL_STATUS_T mmal_metadata_set(MMAL_BUFFER_HEADER_T *header, MMAL_METADATA_T *metadata); 00081 00082 /* @} */ 00083 00084 #endif /* MMAL_METADATA_H */