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9791a62d8f
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@126 6e48237b-75ef-9749-8fc9-41990f28c85a
87 lines
3.0 KiB
C
87 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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#ifndef __MPP_BUFFER_IMPL_H__
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#define __MPP_BUFFER_IMPL_H__
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#include "mpp_list.h"
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#include "mpp_common.h"
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#include "mpp_buffer.h"
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#define MPP_BUF_DBG_FUNCTION (0x00000001)
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#define mpp_buf_dbg(flag, fmt, ...) mpp_dbg(mpp_buffer_debug, flag, fmt, ## __VA_ARGS__)
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#define MPP_BUF_FUNCTION_ENTER() mpp_buf_dbg(MPP_BUF_DBG_FUNCTION, "%s enter\n", __FUNCTION__)
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#define MPP_BUF_FUNCTION_LEAVE() mpp_buf_dbg(MPP_BUF_DBG_FUNCTION, "%s leave\n", __FUNCTION__)
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#define MPP_BUF_FUNCTION_LEAVE_OK() mpp_buf_dbg(MPP_BUF_DBG_FUNCTION, "%s success\n", __FUNCTION__)
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#define MPP_BUF_FUNCTION_LEAVE_FAIL() mpp_buf_dbg(MPP_BUF_DBG_FUNCTION, "%s failed\n", __FUNCTION__)
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typedef struct MppBufferImpl_t MppBufferImpl;
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typedef struct MppBufferGroupImpl_t MppBufferGroupImpl;
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// use index instead of pointer to avoid invalid pointer
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struct MppBufferImpl_t {
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char tag[MPP_TAG_SIZE];
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RK_U32 group_id;
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size_t size;
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MppBufferData data;
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// used flag is for used/unused list detection
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RK_U32 used;
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RK_S32 ref_count;
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struct list_head list_status;
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};
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struct MppBufferGroupImpl_t {
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char tag[MPP_TAG_SIZE];
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RK_U32 group_id;
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MppBufferType type;
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size_t limit;
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size_t usage;
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// link to the other MppBufferGroupImpl
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struct list_head list_group;
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// link to list_status in MppBufferImpl
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struct list_head list_used;
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struct list_head list_unused;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern RK_U32 mpp_buffer_debug;
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MPP_RET mpp_buffer_init(MppBufferImpl **buffer, const char *tag, RK_U32 group_id, size_t size, MppBufferData *data);
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MPP_RET mpp_buffer_deinit(MppBufferImpl *buffer);
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MPP_RET mpp_buffer_ref_inc(MppBufferImpl *buffer);
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MPP_RET mpp_buffer_ref_dec(MppBufferImpl *buffer);
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// TODO: get unused is a block or wait function
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MppBufferImpl *mpp_buffer_get_unused(MppBufferGroupImpl *p, size_t size);
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MPP_RET mpp_buffer_group_init(MppBufferGroupImpl **group, const char *tag, MppBufferType type);
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MPP_RET mpp_buffer_group_deinit(MppBufferGroupImpl *p);
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MPP_RET mpp_buffer_group_limit_reset(MppBufferGroupImpl *p, size_t limit);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__MPP_BUFFER_IMPL_H__*/
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