1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
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 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 #include "codec_dma_buffer.h"
17 #include <hdf_base.h>
18 #include <securec.h>
19 #include <unistd.h>
20 #include <hdf_remote_service.h>
21 #include "codec_log_wrapper.h"
22 #include "v4_0/codec_types.h"
23 using namespace OHOS::HDI::Codec::V4_0;
24 namespace OHOS {
25 namespace Codec {
26 namespace Omx {
27
UseBuffer(OMX_HANDLETYPE comp,uint32_t portIndex,OmxCodecBuffer & codecBuffer,OMX_BUFFERHEADERTYPE * & header)28 sptr<ICodecBuffer> CodecDMABuffer::UseBuffer(OMX_HANDLETYPE comp, uint32_t portIndex,
29 OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE *&header)
30 {
31 CHECK_AND_RETURN_RET_LOG(comp != nullptr, nullptr, "null component");
32 CHECK_AND_RETURN_RET_LOG(codecBuffer.fd != nullptr, nullptr, "invalid dma fd");
33 CHECK_AND_RETURN_RET_LOG(codecBuffer.allocLen > 0, nullptr, "invalid allocLen");
34 CODEC_LOGI("port=%{public}u, use dmabuffer, fd=%{public}d", portIndex, codecBuffer.fd->Get());
35
36 std::shared_ptr<UniqueFd> dmaFd = codecBuffer.fd;
37 OMXBufferAppPrivateData priv{};
38 int fd = codecBuffer.fd->Get();
39 priv.fd = codecBuffer.fd->Get();
40 priv.sizeOfParam = static_cast<uint32_t>(codecBuffer.alongParam.size());
41 priv.param = static_cast<void *>(codecBuffer.alongParam.data());
42 int32_t err = OMX_UseBuffer(comp, &header, portIndex, &priv, codecBuffer.allocLen,
43 reinterpret_cast<OMX_U8 *>(&fd));
44 if (err != OMX_ErrorNone) {
45 CODEC_LOGE("OMX_UseBuffer ret = [%{public}x]", err);
46 return nullptr;
47 }
48 codecBuffer.bufferhandle = nullptr;
49 codecBuffer.fd.reset();
50 codecBuffer.fenceFd.reset();
51 return sptr<ICodecBuffer>(new CodecDMABuffer(
52 InitInfo{comp, portIndex, codecBuffer, header}, dmaFd)
53 );
54 }
55
AllocateBuffer(OMX_HANDLETYPE comp,uint32_t portIndex,OmxCodecBuffer & codecBuffer,OMX_BUFFERHEADERTYPE * & header)56 sptr<ICodecBuffer> CodecDMABuffer::AllocateBuffer(OMX_HANDLETYPE comp, uint32_t portIndex,
57 OmxCodecBuffer &codecBuffer, OMX_BUFFERHEADERTYPE *&header)
58 {
59 CHECK_AND_RETURN_RET_LOG(comp != nullptr, nullptr, "null component");
60 CHECK_AND_RETURN_RET_LOG(codecBuffer.allocLen > 0, nullptr, "invalid allocLen");
61
62 OMXBufferAppPrivateData priv{};
63 int32_t err = OMX_AllocateBuffer(comp, &header, portIndex, &priv, codecBuffer.allocLen);
64 if (err != OMX_ErrorNone) {
65 CODEC_LOGE("OMX_AllocateBuffer error, err = %{public}x", err);
66 return nullptr;
67 }
68 CODEC_LOGI("port=%{public}u, allocate dmabuffer, fd=%{public}d", portIndex, priv.fd);
69 std::shared_ptr<UniqueFd> dmaFd = UniqueFd::Create(priv.fd, false);
70 codecBuffer.bufferhandle = nullptr;
71 codecBuffer.fd = dmaFd;
72 codecBuffer.fenceFd.reset();
73 return sptr<ICodecBuffer>(new CodecDMABuffer(
74 InitInfo{comp, portIndex, codecBuffer, header}, dmaFd)
75 );
76 }
77
78 } // namespace Omx
79 } // namespace Codec
80 } // namespace OHOS