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git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@119 6e48237b-75ef-9749-8fc9-41990f28c85a
104 lines
3.3 KiB
C
104 lines
3.3 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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#ifndef __MPP_BUFFER_H__
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#define __MPP_BUFFER_H__
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#include "rk_type.h"
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#include "mpp_err.h"
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typedef void* MppBuffer;
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typedef void* MppBufferGroup;
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/*
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* mpp buffer pool support two buffer malloc mode:
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*
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* native mode: all buffer are generated by mpp and buffer type can be read from MppBuffer
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* under this mode, buffer pool is maintained internally
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*
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* typical call flow:
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*
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* mpp_buffer_get() return a
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* mpp_buffer_inc_ref(a)
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* mpp_buffer_put(a)
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* mpp_buffer_put(a)
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*
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* commit mode: all buffer are commited out of mpp
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* under this mode, buffer pool is controlled by external api
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*
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* typical call flow:
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*
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* ==== external allocator ====
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* mpp_buffer_commit(a)
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* mpp_buffer_commit(b)
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*
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* ======= internal user ======
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* mpp_buffer_get() return a
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* mpp_buffer_get() return b
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* mpp_buffer_put(a)
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* mpp_buffer_put(b)
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*
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* ==== external allocator ====
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* mpp_buffer_commit(a)
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* mpp_buffer_commit(b)
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*
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* NOTE: commit/remove interface required group handle to record
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* buffer group information
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*/
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typedef enum {
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MPP_BUFFER_MODE_NATIVE,
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MPP_BUFFER_MODE_COMMIT,
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} MppBufferMode;
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/*
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* mpp buffer has two types:
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*
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* normal : normal malloc buffer for unit test or hardware simulation
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* ion : use ion device under Android/Linux, MppBuffer will encapsulte ion file handle
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*/
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typedef enum {
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MPP_BUFFER_TYPE_NORMAL,
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MPP_BUFFER_TYPE_ION,
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MPP_BUFFER_TYPE_BUTT,
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} MppBufferType;
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#define mpp_buffer_commit(...) _mpp_buffer_commit(MODULE_TAG, ## __VA_ARGS__)
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#define mpp_buffer_remove(...) _mpp_buffer_remove(MODULE_TAG, ## __VA_ARGS__)
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#define mpp_buffer_get(...) _mpp_buffer_get(MODULE_TAG, ## __VA_ARGS__)
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#define mpp_buffer_put(...) _mpp_buffer_put(MODULE_TAG, ## __VA_ARGS__)
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#define mpp_buffer_inc_ref(...) _mpp_buffer_inc_ref(MODULE_TAG, ## __VA_ARGS__)
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* MppBuffer interface
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*/
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MPP_RET _mpp_buffer_commit(const char *tag, MppBufferGroup *group, MppBuffer *buffer, MppBufferType type, size_t size);
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MPP_RET _mpp_buffer_remove(const char *tag, MppBufferGroup *group, MppBuffer *buffer);
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MPP_RET _mpp_buffer_get(const char *tag, MppBuffer *buffer, size_t size);
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MPP_RET _mpp_buffer_put(const char *tag, MppBuffer *buffer);
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MPP_RET _mpp_buffer_inc_ref(const char *tag, MppBuffer buffer);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__MPP_BUFFER_H__*/
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