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1 /*
2  * Copyright (c) 2022-2023 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 #include "codec_dyna_buffer.h"
16 #include <buffer_handle_utils.h>
17 #include <hdf_base.h>
18 #include <securec.h>
19 #include <unistd.h>
20 #include "codec_log_wrapper.h"
21 #include "v1_0/codec_types.h"
22 using namespace OHOS::HDI::Codec::V1_0;
23 namespace OHOS {
24 namespace Codec {
25 namespace Omx {
CodecDynaBuffer(struct OmxCodecBuffer & codecBuffer,BufferHandle * bufferHandle)26 CodecDynaBuffer::CodecDynaBuffer(struct OmxCodecBuffer &codecBuffer, BufferHandle *bufferHandle)
27     : ICodecBuffer(codecBuffer)
28 {
29     dynaBuffer_ = std::make_shared<DynamicBuffer>();
30     dynaBuffer_->bufferHandle = bufferHandle;
31 }
32 
~CodecDynaBuffer()33 CodecDynaBuffer::~CodecDynaBuffer()
34 {
35     dynaBuffer_ = nullptr;
36 }
37 
Create(struct OmxCodecBuffer & codecBuffer)38 sptr<ICodecBuffer> CodecDynaBuffer::Create(struct OmxCodecBuffer &codecBuffer)
39 {
40     BufferHandle *bufferHandle = nullptr;
41     if (codecBuffer.bufferhandle) {
42         bufferHandle = codecBuffer.bufferhandle->Move();
43         codecBuffer.bufferhandle = nullptr;
44     }
45     codecBuffer.allocLen = sizeof(DynamicBuffer);
46     CodecDynaBuffer *buffer = new CodecDynaBuffer(codecBuffer, bufferHandle);
47     return sptr<ICodecBuffer>(buffer);
48 }
49 
FillOmxBuffer(struct OmxCodecBuffer & codecBuffer,OMX_BUFFERHEADERTYPE & omxBuffer)50 int32_t CodecDynaBuffer::FillOmxBuffer(struct OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE &omxBuffer)
51 {
52     CODEC_LOGE("dyna buffer handle is not supported in FillThisBuffer");
53     (void)codecBuffer;
54     (void)omxBuffer;
55     return HDF_ERR_INVALID_PARAM;
56 }
57 
EmptyOmxBuffer(struct OmxCodecBuffer & codecBuffer,OMX_BUFFERHEADERTYPE & omxBuffer)58 int32_t CodecDynaBuffer::EmptyOmxBuffer(struct OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE &omxBuffer)
59 {
60     if (!CheckInvalid(codecBuffer)) {
61         CODEC_LOGE("CheckInvalid return false");
62         return HDF_ERR_INVALID_PARAM;
63     }
64     ResetBuffer(codecBuffer, omxBuffer);
65 
66     int fence = codecBuffer.fenceFd;
67     if (fence >= 0) {
68         auto ret = SyncWait(fence, TIME_WAIT_MS);
69         if (ret != EOK) {
70             CODEC_LOGW("SyncWait ret err");
71         }
72         close(codecBuffer.fenceFd);
73         codecBuffer.fenceFd = -1;
74     }
75 
76     return ICodecBuffer::EmptyOmxBuffer(codecBuffer, omxBuffer);
77 }
78 
FreeBuffer(struct OmxCodecBuffer & codecBuffer)79 int32_t CodecDynaBuffer::FreeBuffer(struct OmxCodecBuffer &codecBuffer)
80 {
81     if (!CheckInvalid(codecBuffer)) {
82         CODEC_LOGE("shMem_ is null or CheckInvalid return false");
83         return HDF_ERR_INVALID_PARAM;
84     }
85 
86     codecBuffer.bufferhandle = nullptr;
87     dynaBuffer_ = nullptr;
88 
89     return HDF_SUCCESS;
90 }
91 
EmptyOmxBufferDone(OMX_BUFFERHEADERTYPE & omxBuffer)92 int32_t CodecDynaBuffer::EmptyOmxBufferDone(OMX_BUFFERHEADERTYPE &omxBuffer)
93 {
94     return ICodecBuffer::EmptyOmxBufferDone(omxBuffer);
95 }
96 
FillOmxBufferDone(OMX_BUFFERHEADERTYPE & omxBuffer)97 int32_t CodecDynaBuffer::FillOmxBufferDone(OMX_BUFFERHEADERTYPE &omxBuffer)
98 {
99     CODEC_LOGE("dyna buffer handle is not supported in FillThisBuffer");
100     (void)omxBuffer;
101     return HDF_ERR_INVALID_PARAM;
102 }
103 
GetBuffer()104 uint8_t *CodecDynaBuffer::GetBuffer()
105 {
106     return reinterpret_cast<uint8_t *>(dynaBuffer_.get());
107 }
108 
CheckInvalid(struct OmxCodecBuffer & codecBuffer)109 bool CodecDynaBuffer::CheckInvalid(struct OmxCodecBuffer &codecBuffer)
110 {
111     if (!ICodecBuffer::CheckInvalid(codecBuffer) || dynaBuffer_ == nullptr) {
112         CODEC_LOGE("dynaBuffer_ is null or CheckInvalid return false");
113         return false;
114     }
115     return true;
116 }
117 
ResetBuffer(struct OmxCodecBuffer & codecBuffer,OMX_BUFFERHEADERTYPE & omxBuffer)118 void CodecDynaBuffer::ResetBuffer(struct OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE &omxBuffer)
119 {
120     (void)omxBuffer;
121     if (codecBuffer.bufferhandle == nullptr) {
122         return;
123     }
124     auto bufferHandle = codecBuffer.bufferhandle->Move();
125     codecBuffer.bufferhandle = nullptr;
126 
127     // if recv new BufferHandle, save it, but do not need to save to omxBuffer
128     if (dynaBuffer_->bufferHandle != nullptr) {
129         FreeBufferHandle(dynaBuffer_->bufferHandle);
130     }
131     dynaBuffer_->bufferHandle = bufferHandle;
132     codecBuffer.filledLen = sizeof(DynamicBuffer);
133 }
134 }  // namespace Omx
135 }  // namespace Codec
136 }  // namespace OHOS