| 1 | /* |
| 2 | Copyright (c) 2012, Broadcom Europe Ltd |
| 3 | All rights reserved. |
| 4 | |
| 5 | Redistribution and use in source and binary forms, with or without |
| 6 | modification, are permitted provided that the following conditions are met: |
| 7 | * Redistributions of source code must retain the above copyright |
| 8 | notice, this list of conditions and the following disclaimer. |
| 9 | * Redistributions in binary form must reproduce the above copyright |
| 10 | notice, this list of conditions and the following disclaimer in the |
| 11 | documentation and/or other materials provided with the distribution. |
| 12 | * Neither the name of the copyright holder nor the |
| 13 | names of its contributors may be used to endorse or promote products |
| 14 | derived from this software without specific prior written permission. |
| 15 | |
| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
| 20 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 23 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | /** \file |
| 29 | * OpenMAX IL adaptation layer for MMAL |
| 30 | */ |
| 31 | |
| 32 | #include "interface/vmcs_host/khronos/IL/OMX_Core.h" |
| 33 | #include "interface/vmcs_host/khronos/IL/OMX_Component.h" |
| 34 | #include "interface/vmcs_host/khronos/IL/OMX_Video.h" |
| 35 | #include "interface/vmcs_host/khronos/IL/OMX_Audio.h" |
| 36 | #include <mmal.h> |
| 37 | #include <util/mmal_il.h> |
| 38 | |
| 39 | /* Define this to 1 if you want to log all buffer transfers */ |
| 40 | #define 0 |
| 41 | |
| 42 | #ifndef MMALOMX_EXPORT |
| 43 | # define MMALOMX_EXPORT(a) a |
| 44 | #endif |
| 45 | #ifndef MMALOMX_IMPORT |
| 46 | # define MMALOMX_IMPORT(a) a |
| 47 | #endif |
| 48 | |
| 49 | #define MAX_MARKS_NUM 2 |
| 50 | #define MAX_ENCODINGS_NUM 20 |
| 51 | |
| 52 | /** Per-port context data */ |
| 53 | typedef struct MMALOMX_PORT_T |
| 54 | { |
| 55 | struct MMALOMX_COMPONENT_T *component; |
| 56 | MMAL_PORT_T *mmal; |
| 57 | OMX_DIRTYPE direction; |
| 58 | unsigned int index; |
| 59 | unsigned int buffers; |
| 60 | unsigned int buffers_in_transit; |
| 61 | |
| 62 | MMAL_BOOL_T buffers_allocated:1; |
| 63 | MMAL_BOOL_T enabled:1; |
| 64 | MMAL_BOOL_T populated:1; |
| 65 | MMAL_BOOL_T zero_copy:1; |
| 66 | MMAL_BOOL_T no_cropping:1; |
| 67 | MMAL_BOOL_T format_changed:1; |
| 68 | MMAL_POOL_T *pool; |
| 69 | |
| 70 | uint32_t actions; |
| 71 | |
| 72 | OMX_MARKTYPE marks[MAX_MARKS_NUM]; |
| 73 | unsigned int marks_first:8; |
| 74 | unsigned int marks_num:8; |
| 75 | |
| 76 | OMX_FORMAT_PARAM_TYPE format_param; |
| 77 | |
| 78 | MMAL_PARAMETER_HEADER_T ; |
| 79 | MMAL_FOURCC_T encodings[MAX_ENCODINGS_NUM]; |
| 80 | unsigned int encodings_num; |
| 81 | |
| 82 | } MMALOMX_PORT_T; |
| 83 | |
| 84 | /** Component context data */ |
| 85 | typedef struct MMALOMX_COMPONENT_T { |
| 86 | OMX_COMPONENTTYPE omx; /**< OMX component type structure */ |
| 87 | |
| 88 | unsigned int registry_id; |
| 89 | const char *name; |
| 90 | uint32_t role; |
| 91 | OMX_CALLBACKTYPE callbacks; |
| 92 | OMX_PTR callbacks_data; |
| 93 | |
| 94 | struct MMAL_COMPONENT_T *mmal; |
| 95 | OMX_STATETYPE state; |
| 96 | unsigned int state_transition; |
| 97 | |
| 98 | MMALOMX_PORT_T *ports; |
| 99 | unsigned int ports_num; |
| 100 | unsigned int ports_domain_num[4]; |
| 101 | |
| 102 | MMAL_BOOL_T actions_running; |
| 103 | |
| 104 | OMX_U32 group_id; |
| 105 | OMX_U32 group_priority; |
| 106 | |
| 107 | /* Support for command queues */ |
| 108 | MMAL_POOL_T *cmd_pool; |
| 109 | MMAL_QUEUE_T *cmd_queue; |
| 110 | VCOS_THREAD_T cmd_thread; |
| 111 | MMAL_BOOL_T cmd_thread_used; |
| 112 | VCOS_SEMAPHORE_T cmd_sema; |
| 113 | |
| 114 | VCOS_MUTEX_T lock; /**< Used to protect component state */ |
| 115 | VCOS_MUTEX_T lock_port; /**< Used to protect port state */ |
| 116 | |
| 117 | } MMALOMX_COMPONENT_T; |
| 118 | |
| 119 | OMX_ERRORTYPE mmalomx_callback_event_handler( |
| 120 | MMALOMX_COMPONENT_T *component, |
| 121 | OMX_EVENTTYPE eEvent, |
| 122 | OMX_U32 nData1, |
| 123 | OMX_U32 nData2, |
| 124 | OMX_PTR pEventData); |
| 125 | |
| 126 | #define MMALOMX_LOCK(a) vcos_mutex_lock(&a->lock) |
| 127 | #define MMALOMX_UNLOCK(a) vcos_mutex_unlock(&a->lock) |
| 128 | #define MMALOMX_LOCK_PORT(a,b) vcos_mutex_lock(&a->lock_port) |
| 129 | #define MMALOMX_UNLOCK_PORT(a,b) vcos_mutex_unlock(&a->lock_port) |
| 130 | |
| 131 | |