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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_VC_CLIENT_H
00029 #define MMAL_VC_CLIENT_H
00030 
00036 struct MMAL_CLIENT_T;
00037 typedef struct MMAL_CLIENT_T MMAL_CLIENT_T;
00038 
00039 void mmal_vc_client_init(void);
00040 
00043 typedef struct MMAL_VC_CLIENT_BUFFER_CONTEXT_T
00044 {
00045    uint32_t magic;
00046 
00048    void (*callback)(struct mmal_worker_buffer_from_host *);
00049 
00051    void (*callback_event)(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *event);
00052 
00054    MMAL_PORT_T *port;
00055 
00057    MMAL_BUFFER_HEADER_T *buffer;
00058 
00060    struct mmal_worker_buffer_from_host msg;
00061 } MMAL_VC_CLIENT_BUFFER_CONTEXT_T;
00062 
00063 
00064 MMAL_CLIENT_T *mmal_vc_get_client(void);
00065 
00066 MMAL_STATUS_T mmal_vc_sendwait_message(MMAL_CLIENT_T *client,
00067                                        mmal_worker_msg_header *header,
00068                                        size_t size,
00069                                        uint32_t msgid,
00070                                        void *dest,
00071                                        size_t *destlen,
00072                                        MMAL_BOOL_T send_dummy_bulk);
00073 
00074 MMAL_STATUS_T mmal_vc_send_message(MMAL_CLIENT_T *client,
00075                                    mmal_worker_msg_header *header, size_t size,
00076                                    uint8_t *data, size_t data_size,
00077                                    uint32_t msgid);
00078 
00079 #endif
00080 
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