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e3f49b11aa
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@339 6e48237b-75ef-9749-8fc9-41990f28c85a
122 lines
3.0 KiB
C
122 lines
3.0 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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#include <stdio.h>
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#include "os_mem.h"
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#include "os_allocator.h"
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#include "mpp_mem.h"
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#include "mpp_log.h"
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/*
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* Linux only support MPP_BUFFER_TYPE_NORMAL so far
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* we can support MPP_BUFFER_TYPE_V4L2 later
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*/
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typedef struct {
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size_t alignment;
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} allocator_ctx;
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MPP_RET os_allocator_normal_open(void **ctx, size_t alignment)
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{
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MPP_RET ret = MPP_OK;
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allocator_ctx *p = NULL;
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if (NULL == ctx) {
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mpp_err("os_allocator_open Linux do not accept NULL input\n");
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return MPP_ERR_NULL_PTR;
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}
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p = mpp_malloc(allocator_ctx, 1);
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if (NULL == p) {
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mpp_err("os_allocator_open Linux failed to allocate context\n");
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ret = MPP_ERR_MALLOC;
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} else
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p->alignment = alignment;
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*ctx = p;
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return ret;
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}
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MPP_RET os_allocator_normal_alloc(void *ctx, MppBufferInfo *info)
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{
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allocator_ctx *p = NULL;
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if (NULL == ctx) {
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mpp_err("os_allocator_alloc Linux found NULL context input\n");
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return MPP_ERR_NULL_PTR;
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}
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p = (allocator_ctx *)ctx;
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return os_malloc(&info->ptr, p->alignment, info->size);
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}
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MPP_RET os_allocator_normal_free(void *ctx, MppBufferInfo *info)
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{
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(void) ctx;
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if (info->ptr)
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os_free(info->ptr);
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return MPP_OK;
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}
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MPP_RET os_allocator_normal_close(void *ctx)
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{
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if (ctx) {
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mpp_free(ctx);
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return MPP_OK;
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}
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mpp_err("os_allocator_close Linux found NULL context input\n");
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return MPP_NOK;
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}
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static os_allocator allocator_normal = {
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os_allocator_normal_open,
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os_allocator_normal_alloc,
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os_allocator_normal_free,
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NULL,
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NULL,
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os_allocator_normal_close,
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};
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static os_allocator allocator_v4l2 = {
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os_allocator_normal_open,
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os_allocator_normal_alloc,
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os_allocator_normal_free,
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NULL,
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NULL,
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os_allocator_normal_close,
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};
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MPP_RET os_allocator_get(os_allocator *api, MppBufferType type)
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{
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MPP_RET ret = MPP_OK;
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switch (type) {
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case MPP_BUFFER_TYPE_NORMAL :
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case MPP_BUFFER_TYPE_ION : {
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*api = allocator_normal;
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} break;
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case MPP_BUFFER_TYPE_V4L2 : {
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mpp_err("os_allocator_get Linux MPP_BUFFER_TYPE_V4L2 do not implement yet\n");
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*api = allocator_v4l2;
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} break;
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default : {
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ret = MPP_NOK;
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} break;
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}
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return ret;
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}
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