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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_COMPONENT_H 00029 #define MMAL_COMPONENT_H 00030 00031 #ifdef __cplusplus 00032 extern "C" { 00033 #endif 00034 00039 /* @{ */ 00040 00041 #include "mmal_types.h" 00042 #include "mmal_port.h" 00043 00044 struct MMAL_COMPONENT_PRIVATE_T; 00045 typedef struct MMAL_COMPONENT_PRIVATE_T MMAL_COMPONENT_PRIVATE_T; 00046 00048 typedef struct MMAL_COMPONENT_T 00049 { 00051 struct MMAL_COMPONENT_PRIVATE_T *priv; 00052 00054 struct MMAL_COMPONENT_USERDATA_T *userdata; 00055 00057 const char *name; 00058 00060 uint32_t is_enabled; 00061 00067 MMAL_PORT_T *control; 00068 00069 uint32_t input_num; 00070 MMAL_PORT_T **input; 00072 uint32_t output_num; 00073 MMAL_PORT_T **output; 00075 uint32_t clock_num; 00076 MMAL_PORT_T **clock; 00078 uint32_t port_num; 00079 MMAL_PORT_T **port; 00083 uint32_t id; 00084 00085 } MMAL_COMPONENT_T; 00086 00097 MMAL_STATUS_T mmal_component_create(const char *name, 00098 MMAL_COMPONENT_T **component); 00099 00108 void mmal_component_acquire(MMAL_COMPONENT_T *component); 00109 00119 MMAL_STATUS_T mmal_component_release(MMAL_COMPONENT_T *component); 00120 00128 MMAL_STATUS_T mmal_component_destroy(MMAL_COMPONENT_T *component); 00129 00134 MMAL_STATUS_T mmal_component_enable(MMAL_COMPONENT_T *component); 00135 00140 MMAL_STATUS_T mmal_component_disable(MMAL_COMPONENT_T *component); 00141 00142 /* @} */ 00143 00144 #ifdef __cplusplus 00145 } 00146 #endif 00147 00148 #endif /* MMAL_COMPONENT_H */