mpf_scheduler.h
Go to the documentation of this file.00001 /* 00002 * Copyright 2008-2010 Arsen Chaloyan 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 * 00016 * $Id: mpf_scheduler.h 1474 2010-02-07 20:51:47Z achaloyan $ 00017 */ 00018 00019 #ifndef MPF_SCHEDULER_H 00020 #define MPF_SCHEDULER_H 00021 00022 /** 00023 * @file mpf_scheduler.h 00024 * @brief MPF Scheduler (High Resolution Clock for Media Processing and Timer) 00025 */ 00026 00027 #include "mpf_types.h" 00028 00029 APT_BEGIN_EXTERN_C 00030 00031 /** Prototype of scheduler callback */ 00032 typedef void (*mpf_scheduler_proc_f)(mpf_scheduler_t *scheduler, void *obj); 00033 00034 /** Create scheduler */ 00035 MPF_DECLARE(mpf_scheduler_t*) mpf_scheduler_create(apr_pool_t *pool); 00036 00037 /** Destroy scheduler */ 00038 MPF_DECLARE(void) mpf_scheduler_destroy(mpf_scheduler_t *scheduler); 00039 00040 /** Set media processing clock */ 00041 MPF_DECLARE(apt_bool_t) mpf_scheduler_media_clock_set( 00042 mpf_scheduler_t *scheduler, 00043 unsigned long resolution, 00044 mpf_scheduler_proc_f proc, 00045 void *obj); 00046 00047 /** Set timer clock */ 00048 MPF_DECLARE(apt_bool_t) mpf_scheduler_timer_clock_set( 00049 mpf_scheduler_t *scheduler, 00050 unsigned long resolution, 00051 mpf_scheduler_proc_f proc, 00052 void *obj); 00053 00054 /** Set scheduler rate (n times faster than real-time) */ 00055 MPF_DECLARE(apt_bool_t) mpf_scheduler_rate_set( 00056 mpf_scheduler_t *scheduler, 00057 unsigned long rate); 00058 00059 /** Start scheduler */ 00060 MPF_DECLARE(apt_bool_t) mpf_scheduler_start(mpf_scheduler_t *scheduler); 00061 00062 /** Stop scheduler */ 00063 MPF_DECLARE(apt_bool_t) mpf_scheduler_stop(mpf_scheduler_t *scheduler); 00064 00065 00066 APT_END_EXTERN_C 00067 00068 #endif /* MPF_SCHEDULER_H */
