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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_PRIVATE_H 00029 #define MMAL_COMPONENT_PRIVATE_H 00030 00031 #define MMAL_VIDEO_DECODE "video_decode" 00032 #define MMAL_VIDEO_ENCODE "video_encode" 00033 #define MMAL_VIDEO_RENDER "video_render" 00034 #define MMAL_AUDIO_DECODE "audio_decode" 00035 #define MMAL_AUDIO_ENCODE "audio_encode" 00036 #define MMAL_AUDIO_RENDER "audio_render" 00037 #define MMAL_CAMERA "camera" 00038 00039 #if defined(__GNUC__) && (__GNUC__ > 2) 00040 # define MMAL_CONSTRUCTOR(func) void __attribute__((constructor,used)) func(void) 00041 # define MMAL_DESTRUCTOR(func) void __attribute__((destructor,used)) func(void) 00042 #else 00043 # define MMAL_CONSTRUCTOR(func) void func(void) 00044 # define MMAL_DESTRUCTOR(func) void func(void) 00045 #endif 00046 00047 #include "mmal.h" 00048 #include "mmal_component.h" 00049 00051 struct MMAL_COMPONENT_PRIVATE_T 00052 { 00054 struct MMAL_COMPONENT_MODULE_T *module; 00055 00056 MMAL_STATUS_T (*pf_enable)(MMAL_COMPONENT_T *component); 00057 MMAL_STATUS_T (*pf_disable)(MMAL_COMPONENT_T *component); 00058 MMAL_STATUS_T (*pf_destroy)(MMAL_COMPONENT_T *component); 00059 00061 MMAL_POOL_T *event_pool; 00062 00064 int refcount; 00067 int refcount_ports; 00068 00071 int priority; 00072 }; 00073 00080 MMAL_STATUS_T mmal_component_parameter_set(MMAL_PORT_T *control_port, 00081 const MMAL_PARAMETER_HEADER_T *param); 00082 00089 MMAL_STATUS_T mmal_component_parameter_get(MMAL_PORT_T *control_port, 00090 MMAL_PARAMETER_HEADER_T *param); 00091 00101 MMAL_STATUS_T mmal_component_action_register(MMAL_COMPONENT_T *component, 00102 void (*pf_action)(MMAL_COMPONENT_T *)); 00103 00109 MMAL_STATUS_T mmal_component_action_deregister(MMAL_COMPONENT_T *component); 00110 00117 MMAL_STATUS_T mmal_component_action_trigger(MMAL_COMPONENT_T *component); 00118 00125 MMAL_STATUS_T mmal_component_action_lock(MMAL_COMPONENT_T *component); 00126 00132 MMAL_STATUS_T mmal_component_action_unlock(MMAL_COMPONENT_T *component); 00133 00135 typedef MMAL_STATUS_T (*MMAL_COMPONENT_SUPPLIER_FUNCTION_T)(const char *name, 00136 MMAL_COMPONENT_T *component); 00137 00148 MMAL_STATUS_T mmal_component_create_with_constructor(const char *name, 00149 MMAL_STATUS_T (*constructor)(const char *name, MMAL_COMPONENT_T *), 00150 struct MMAL_COMPONENT_MODULE_T *constructor_private, 00151 MMAL_COMPONENT_T **component); 00152 00158 void mmal_component_supplier_register(const char *prefix, 00159 MMAL_COMPONENT_SUPPLIER_FUNCTION_T create_fn); 00160 00161 #endif /* MMAL_COMPONENT_PRIVATE_H */