/*
|
* Copyright 2015 Rockchip Electronics Co. LTD
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
|
#include <stdio.h>
|
|
#include "os_mem.h"
|
#include "mpp_mem.h"
|
#include "mpp_debug.h"
|
|
#include "allocator_std.h"
|
|
typedef struct {
|
size_t alignment;
|
RK_S32 fd_count;
|
} allocator_ctx;
|
|
static MPP_RET allocator_std_open(void **ctx, MppAllocatorCfg *cfg)
|
{
|
MPP_RET ret = MPP_OK;
|
allocator_ctx *p = NULL;
|
|
if (NULL == ctx) {
|
mpp_err_f("do not accept NULL input\n");
|
return MPP_ERR_NULL_PTR;
|
}
|
|
p = mpp_malloc(allocator_ctx, 1);
|
if (NULL == p) {
|
mpp_err_f("failed to allocate context\n");
|
ret = MPP_ERR_MALLOC;
|
} else
|
p->alignment = cfg->alignment;
|
|
p->fd_count = 0;
|
|
*ctx = p;
|
return ret;
|
}
|
|
static MPP_RET allocator_std_alloc(void *ctx, MppBufferInfo *info)
|
{
|
allocator_ctx *p = NULL;
|
|
if (NULL == ctx) {
|
mpp_err_f("found NULL context input\n");
|
return MPP_ERR_NULL_PTR;
|
}
|
|
p = (allocator_ctx *)ctx;
|
info->fd = p->fd_count++;
|
return (MPP_RET)os_malloc(&info->ptr, p->alignment, info->size);
|
}
|
|
static MPP_RET allocator_std_free(void *ctx, MppBufferInfo *info)
|
{
|
(void) ctx;
|
if (info->ptr)
|
os_free(info->ptr);
|
return MPP_OK;
|
}
|
|
static MPP_RET allocator_std_import(void *ctx, MppBufferInfo *info)
|
{
|
allocator_ctx *p = (allocator_ctx *)ctx;
|
mpp_assert(ctx);
|
mpp_assert(info->ptr);
|
mpp_assert(info->size);
|
info->hnd = NULL;
|
info->fd = p->fd_count++;
|
return MPP_OK;
|
}
|
|
static MPP_RET allocator_std_release(void *ctx, MppBufferInfo *info)
|
{
|
(void) ctx;
|
mpp_assert(info->ptr);
|
mpp_assert(info->size);
|
info->ptr = NULL;
|
info->size = 0;
|
info->hnd = NULL;
|
info->fd = -1;
|
return MPP_OK;
|
}
|
|
static MPP_RET allocator_std_mmap(void *ctx, MppBufferInfo *info)
|
{
|
mpp_assert(ctx);
|
mpp_assert(info->ptr);
|
mpp_assert(info->size);
|
return MPP_OK;
|
}
|
|
static MPP_RET allocator_std_close(void *ctx)
|
{
|
if (ctx) {
|
mpp_free(ctx);
|
return MPP_OK;
|
}
|
mpp_err_f("found NULL context input\n");
|
return MPP_NOK;
|
}
|
|
os_allocator allocator_std = {
|
.open = allocator_std_open,
|
.close = allocator_std_close,
|
.alloc = allocator_std_alloc,
|
.free = allocator_std_free,
|
.import = allocator_std_import,
|
.release = allocator_std_release,
|
.mmap = allocator_std_mmap,
|
};
|
