Files
mpp/osal/allocator/allocator_std.c
Herman Chen e2f0da0a89 [allocator]: Transform allocator normal to std
1. Use allocator std to replace default normal allocator on all OS.
2. Use wrapper to simplify mpp_allocator.

Change-Id: I13314a9eec3c5b39bc5ad8ddb3033ac2da79ba8f
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
2016-12-15 17:20:14 +08:00

126 lines
2.7 KiB
C

/*
* 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 "os_allocator.h"
#include "mpp_mem.h"
#include "mpp_log.h"
typedef struct {
size_t alignment;
RK_S32 fd_count;
} allocator_ctx;
MPP_RET allocator_std_open(void **ctx, size_t alignment)
{
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 = alignment;
p->fd_count = 0;
*ctx = p;
return ret;
}
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);
}
MPP_RET allocator_std_free(void *ctx, MppBufferInfo *info)
{
(void) ctx;
if (info->ptr)
os_free(info->ptr);
return MPP_OK;
}
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;
}
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;
}
MPP_RET allocator_std_mmap(void *ctx, MppBufferInfo *info)
{
mpp_assert(ctx);
mpp_assert(info->ptr);
mpp_assert(info->size);
return MPP_OK;
}
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 = {
allocator_std_open,
allocator_std_close,
allocator_std_alloc,
allocator_std_free,
allocator_std_import,
allocator_std_release,
allocator_std_mmap,
};