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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_PORT_PRIVATE_H 00029 #define MMAL_PORT_PRIVATE_H 00030 00031 #include "interface/mmal/mmal.h" 00032 #include "interface/mmal/mmal_clock.h" 00033 00035 typedef struct MMAL_PORT_PRIVATE_T 00036 { 00038 struct MMAL_PORT_PRIVATE_CORE_T *core; 00040 struct MMAL_PORT_MODULE_T *module; 00041 00042 MMAL_STATUS_T (*pf_set_format)(MMAL_PORT_T *port); 00043 MMAL_STATUS_T (*pf_enable)(MMAL_PORT_T *port, MMAL_PORT_BH_CB_T); 00044 MMAL_STATUS_T (*pf_disable)(MMAL_PORT_T *port); 00045 MMAL_STATUS_T (*pf_send)(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *); 00046 MMAL_STATUS_T (*pf_flush)(MMAL_PORT_T *port); 00047 MMAL_STATUS_T (*pf_parameter_set)(MMAL_PORT_T *port, const MMAL_PARAMETER_HEADER_T *param); 00048 MMAL_STATUS_T (*pf_parameter_get)(MMAL_PORT_T *port, MMAL_PARAMETER_HEADER_T *param); 00049 MMAL_STATUS_T (*pf_connect)(MMAL_PORT_T *port, MMAL_PORT_T *other_port); 00050 00051 uint8_t *(*pf_payload_alloc)(MMAL_PORT_T *port, uint32_t payload_size); 00052 void (*pf_payload_free)(MMAL_PORT_T *port, uint8_t *payload); 00053 00054 } MMAL_PORT_PRIVATE_T; 00055 00058 void mmal_port_buffer_header_callback(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer); 00059 00063 void mmal_port_event_send(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer); 00064 00066 MMAL_PORT_T *mmal_port_alloc(MMAL_COMPONENT_T *, MMAL_PORT_TYPE_T type, unsigned int extra_size); 00068 void mmal_port_free(MMAL_PORT_T *port); 00070 MMAL_PORT_T **mmal_ports_alloc(MMAL_COMPONENT_T *, unsigned int ports_num, MMAL_PORT_TYPE_T type, 00071 unsigned int extra_size); 00073 void mmal_ports_free(MMAL_PORT_T **ports, unsigned int ports_num); 00074 00076 void mmal_port_acquire(MMAL_PORT_T *port); 00077 00079 MMAL_STATUS_T mmal_port_release(MMAL_PORT_T *port); 00080 00082 MMAL_STATUS_T mmal_port_pause(MMAL_PORT_T *port, MMAL_BOOL_T pause); 00083 00084 /***************************************************************************** 00085 * Clock Port API 00086 *****************************************************************************/ 00093 typedef void (*MMAL_PORT_CLOCK_EVENT_CB)(MMAL_PORT_T *port, const MMAL_CLOCK_PAYLOAD_T *event); 00094 00102 MMAL_PORT_T* mmal_port_clock_alloc(MMAL_COMPONENT_T *component, MMAL_PORT_CLOCK_EVENT_CB event_cb); 00103 00108 void mmal_port_clock_free(MMAL_PORT_T *port); 00109 00118 MMAL_PORT_T **mmal_ports_clock_alloc(MMAL_COMPONENT_T *component, unsigned int ports_num, MMAL_PORT_CLOCK_EVENT_CB event_cb); 00119 00125 void mmal_ports_clock_free(MMAL_PORT_T **ports, unsigned int ports_num); 00126 00134 typedef void (*MMAL_PORT_CLOCK_REQUEST_CB)(MMAL_PORT_T *port, int64_t media_time, void *cb_data); 00135 00148 MMAL_STATUS_T mmal_port_clock_request_add(MMAL_PORT_T *port, int64_t media_time, int64_t offset, 00149 MMAL_PORT_CLOCK_REQUEST_CB cb, void *cb_data); 00150 00157 MMAL_STATUS_T mmal_port_clock_request_flush(MMAL_PORT_T *port); 00158 00166 MMAL_STATUS_T mmal_port_clock_media_time_set(MMAL_PORT_T *port, int64_t media_time); 00167 00175 MMAL_STATUS_T mmal_port_clock_media_time_offset_set(MMAL_PORT_T *port, int64_t offset); 00176 00184 int64_t mmal_port_clock_media_time_get(MMAL_PORT_T *port); 00185 00192 int64_t mmal_port_clock_media_time_offset_get(MMAL_PORT_T *port); 00193 00201 MMAL_STATUS_T mmal_port_clock_scale_set(MMAL_PORT_T *port, MMAL_RATIONAL_T scale); 00202 00209 MMAL_RATIONAL_T mmal_port_clock_scale_get(MMAL_PORT_T *port); 00210 00217 MMAL_BOOL_T mmal_port_clock_is_active(MMAL_PORT_T *port); 00218 00219 #endif /* MMAL_PORT_PRIVATE_H */