1 /*
2  * Copyright (c) 2022 Shenzhen Kaihong DID Co., Ltd..
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef CODEC_SHARE_BUFFER_H
17 #define CODEC_SHARE_BUFFER_H
18 #include <ashmem.h>
19 #include <memory>
20 #include "icodec_buffer.h"
21 
22 namespace OHOS {
23 namespace Codec {
24 namespace Omx {
25 class CodecShareBuffer : ICodecBuffer {
26 public:
27     ~CodecShareBuffer() override;
28     static OHOS::sptr<ICodecBuffer> Create(struct OmxCodecBuffer &codecBuffer);
29     static OHOS::sptr<ICodecBuffer> Allocate(struct OmxCodecBuffer &codecBuffer);
30     int32_t FillOmxBuffer(struct OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE &omxBuffer) override;
31     int32_t EmptyOmxBuffer(struct OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE &omxBuffer) override;
32     int32_t FreeBuffer(struct OmxCodecBuffer &codecBuffer) override;
33     int32_t EmptyOmxBufferDone(OMX_BUFFERHEADERTYPE &omxBuffer) override;
34     int32_t FillOmxBufferDone(OMX_BUFFERHEADERTYPE &omxBuffer) override;
35     void SetAshMem(std::shared_ptr<OHOS::Ashmem> shMem);
36     uint8_t *GetBuffer() override;
37 
38 protected:
39     explicit CodecShareBuffer(struct OmxCodecBuffer &codecBuffer);
40     bool CheckInvalid(struct OmxCodecBuffer &codecBuffer) override;
41 
42 private:
43     void ReleaseFd(struct OmxCodecBuffer &codecBuffer);
44 
45 private:
46     std::shared_ptr<OHOS::Ashmem> shMem_;
47 };
48 }  // namespace Omx
49 }  // namespace Codec
50 }  // namespace OHOS
51 #endif