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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_EVENTS_H 00029 #define MMAL_EVENTS_H 00030 00031 #ifdef __cplusplus 00032 extern "C" { 00033 #endif 00034 00035 #include "mmal_common.h" 00036 #include "mmal_parameters.h" 00037 #include "mmal_port.h" 00038 00042 /* @{ */ 00043 00045 /* @{ */ 00046 00048 #define MMAL_EVENT_ERROR MMAL_FOURCC('E','R','R','O') 00049 00051 #define MMAL_EVENT_EOS MMAL_FOURCC('E','E','O','S') 00052 00054 #define MMAL_EVENT_FORMAT_CHANGED MMAL_FOURCC('E','F','C','H') 00055 00059 #define MMAL_EVENT_PARAMETER_CHANGED MMAL_FOURCC('E','P','C','H') 00060 00061 /* @} */ 00062 00063 00065 typedef struct MMAL_EVENT_END_OF_STREAM_T 00066 { 00067 MMAL_PORT_TYPE_T port_type; 00068 uint32_t port_index; 00069 } MMAL_EVENT_END_OF_STREAM_T; 00070 00072 typedef struct MMAL_EVENT_FORMAT_CHANGED_T 00073 { 00074 uint32_t buffer_size_min; 00075 uint32_t buffer_num_min; 00076 uint32_t buffer_size_recommended; 00078 uint32_t buffer_num_recommended; 00081 MMAL_ES_FORMAT_T *format; 00082 } MMAL_EVENT_FORMAT_CHANGED_T; 00083 00089 typedef struct MMAL_EVENT_PARAMETER_CHANGED_T 00090 { 00091 MMAL_PARAMETER_HEADER_T hdr; 00092 } MMAL_EVENT_PARAMETER_CHANGED_T; 00093 00101 MMAL_EVENT_FORMAT_CHANGED_T *mmal_event_format_changed_get(MMAL_BUFFER_HEADER_T *buffer); 00102 00110 MMAL_STATUS_T mmal_event_error_send(MMAL_COMPONENT_T *component, MMAL_STATUS_T error_status); 00111 00112 /* @} */ 00113 00114 #ifdef __cplusplus 00115 } 00116 #endif 00117 00118 #endif /* MMAL_EVENTS_H */