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https://github.com/nyanmisaka/mpp.git
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3f6812f144
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@141 6e48237b-75ef-9749-8fc9-41990f28c85a
115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*
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* Copyright 2010 Rockchip Electronics S.LSI Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define MODULE_TAG "mpp_allocator"
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#include "mpp_log.h"
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#include "mpp_mem.h"
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#include "mpp_allocator.h"
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#include "mpp_allocator_impl.h"
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#include "os_allocator.h"
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#define MPP_ALLOCATOR_LOCK(p) pthread_mutex_lock(&(p)->lock);
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#define MPP_ALLOCATOR_UNLOCK(p) pthread_mutex_unlock(&(p)->lock);
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MPP_RET mpp_allocator_alloc(MppAllocator allocator, MppBufferData *data, size_t size)
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{
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if (NULL == allocator || NULL == data || 0 == size) {
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mpp_err("mpp_allocator_alloc invalid input: allocator %p data %p size %d\n",
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allocator, data, size);
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return MPP_ERR_UNKNOW;
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}
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MppAllocatorImpl *palloc = (MppAllocatorImpl *)allocator;
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MPP_ALLOCATOR_LOCK(palloc);
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MPP_RET ret = os_allocator_alloc(palloc->allocator, data, size);
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MPP_ALLOCATOR_UNLOCK(palloc);
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return ret;
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}
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MPP_RET mpp_allocator_free(MppAllocator allocator, MppBufferData *data)
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{
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if (NULL == allocator || NULL == data) {
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mpp_err("mpp_allocator_alloc invalid input: allocator %p data %p\n",
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allocator, data);
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return MPP_ERR_UNKNOW;
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}
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MppAllocatorImpl *palloc = (MppAllocatorImpl *)allocator;
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MPP_ALLOCATOR_LOCK(palloc);
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os_allocator_free(palloc->allocator, data);
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MPP_ALLOCATOR_UNLOCK(palloc);
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return MPP_OK;
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}
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static MppAllocatorApi mpp_allocator_api = {
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sizeof(mpp_allocator_api),
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1,
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mpp_allocator_alloc,
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mpp_allocator_free,
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};
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MPP_RET mpp_alloctor_get(MppAllocator *allocator, MppAllocatorApi **api, MppBufferType type)
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{
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if (NULL == allocator || NULL == api || type >= MPP_BUFFER_TYPE_BUTT) {
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mpp_err("mpp_alloctor_get invalid input: buffer %p api %p type %d\n",
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allocator, api, type);
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return MPP_ERR_UNKNOW;
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}
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MppAllocatorImpl *palloc = mpp_malloc(MppAllocatorImpl, 1);
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if (NULL == palloc) {
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mpp_err("mpp_alloctor_get failed to malloc allocator context\n");
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return MPP_ERR_NULL_PTR;
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}
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palloc->alignment = SZ_4K;
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os_allocator_open(&palloc->allocator, palloc->alignment, type);
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palloc->api = &mpp_allocator_api;
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pthread_mutexattr_t attr;
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pthread_mutexattr_init(&attr);
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init(&palloc->lock, &attr);
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pthread_mutexattr_destroy(&attr);
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*allocator = palloc;
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*api = &mpp_allocator_api;
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return MPP_OK;
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}
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MPP_RET mpp_alloctor_put(MppAllocator *allocator)
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{
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if (NULL == allocator) {
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mpp_err("mpp_alloctor_put invalid input: buffer %p\n", allocator);
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return MPP_ERR_NULL_PTR;
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}
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MppAllocatorImpl *p = (MppAllocatorImpl *)*allocator;
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*allocator = NULL;
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os_allocator_close(p->allocator);
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if (p)
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mpp_free(p);
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return MPP_OK;
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}
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