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1 /*
2  * Copyright (C) 2023 Huawei Device 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 <unistd.h>
16 #include "avsource.h"
17 #include "native_avmagic.h"
18 #include "avcodec_errors.h"
19 #include "native_object.h"
20 #include "native_avformat.h"
21 #include "avcodec_log.h"
22 #include "native_avsource.h"
23 
24 namespace {
25     constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {LOG_CORE, LOG_DOMAIN, "NativeAVSource"};
26 }
27 
28 using namespace OHOS::MediaAVCodec;
29 
OH_AVSource_CreateWithURI(char * uri)30 struct OH_AVSource *OH_AVSource_CreateWithURI(char *uri)
31 {
32     CHECK_AND_RETURN_RET_LOG(uri != nullptr, nullptr, "Create source with uri failed because input uri is nullptr!");
33 
34     std::shared_ptr<AVSource> source = AVSourceFactory::CreateWithURI(uri);
35     CHECK_AND_RETURN_RET_LOG(source != nullptr, nullptr, "New source with uri failed by AVSourceFactory!");
36 
37     struct AVSourceObject *object = new(std::nothrow) AVSourceObject(source);
38     CHECK_AND_RETURN_RET_LOG(object != nullptr, nullptr, "New AVSourceObject failed when create source with uri!");
39 
40     return object;
41 }
42 
OH_AVSource_CreateWithFD(int32_t fd,int64_t offset,int64_t size)43 struct OH_AVSource *OH_AVSource_CreateWithFD(int32_t fd, int64_t offset, int64_t size)
44 {
45     CHECK_AND_RETURN_RET_LOG(fd > STDERR_FILENO, nullptr,
46         "Create source with fd failed because input fd is illegal, fd must be greater than 2!");
47     CHECK_AND_RETURN_RET_LOG(offset >= 0, nullptr,
48         "Create source with fd failed because input offset is negative");
49     CHECK_AND_RETURN_RET_LOG(size > 0, nullptr,
50         "Create source with fd failed because input size must be greater than zero");
51 
52     std::shared_ptr<AVSource> source = AVSourceFactory::CreateWithFD(fd, offset, size);
53     CHECK_AND_RETURN_RET_LOG(source != nullptr, nullptr, "New source with fd failed by AVSourceFactory!");
54 
55     struct AVSourceObject *object = new(std::nothrow) AVSourceObject(source);
56     CHECK_AND_RETURN_RET_LOG(object != nullptr, nullptr, "New AVSourceObject failed when create source with fd!");
57 
58     return object;
59 }
60 
OH_AVSource_Destroy(OH_AVSource * source)61 OH_AVErrCode OH_AVSource_Destroy(OH_AVSource *source)
62 {
63     CHECK_AND_RETURN_RET_LOG(source != nullptr, AV_ERR_INVALID_VAL,
64         "Destroy source failed because input source is nullptr!");
65     CHECK_AND_RETURN_RET_LOG(source->magic_ == AVMagic::AVCODEC_MAGIC_AVSOURCE, AV_ERR_INVALID_VAL, "magic error!");
66 
67     delete source;
68     return AV_ERR_OK;
69 }
70 
OH_AVSource_GetSourceFormat(OH_AVSource * source)71 OH_AVFormat *OH_AVSource_GetSourceFormat(OH_AVSource *source)
72 {
73     CHECK_AND_RETURN_RET_LOG(source != nullptr, nullptr, "Get source format failed because input source is nullptr!");
74     CHECK_AND_RETURN_RET_LOG(source->magic_ == AVMagic::AVCODEC_MAGIC_AVSOURCE, nullptr, "magic error!");
75 
76     struct AVSourceObject *sourceObj = reinterpret_cast<AVSourceObject *>(source);
77     CHECK_AND_RETURN_RET_LOG(sourceObj->source_ != nullptr, nullptr,
78         "New AVSourceObject failed when get source format!");
79 
80     Format format;
81     int32_t ret = sourceObj->source_->GetSourceFormat(format);
82     CHECK_AND_RETURN_RET_LOG(ret == AVCS_ERR_OK, nullptr, "source_ GetSourceFormat failed!");
83 
84     OH_AVFormat *avFormat = OH_AVFormat_Create();
85     avFormat->format_ = format;
86 
87     return avFormat;
88 }
89 
OH_AVSource_GetTrackFormat(OH_AVSource * source,uint32_t trackIndex)90 OH_AVFormat *OH_AVSource_GetTrackFormat(OH_AVSource *source, uint32_t trackIndex)
91 {
92     CHECK_AND_RETURN_RET_LOG(source != nullptr, nullptr, "Get format failed because input source is nullptr!");
93     CHECK_AND_RETURN_RET_LOG(source->magic_ == AVMagic::AVCODEC_MAGIC_AVSOURCE, nullptr, "magic error!");
94 
95     struct AVSourceObject *sourceObj = reinterpret_cast<AVSourceObject *>(source);
96     CHECK_AND_RETURN_RET_LOG(sourceObj->source_ != nullptr, nullptr,
97         "New AVSourceObject failed when get track format!");
98 
99     Format format;
100     int32_t ret = sourceObj->source_->GetTrackFormat(format, trackIndex);
101     CHECK_AND_RETURN_RET_LOG(ret == AVCS_ERR_OK, nullptr, "Source GetTrackFormat failed!");
102 
103     OH_AVFormat *avFormat = OH_AVFormat_Create();
104     avFormat->format_ = format;
105 
106     return avFormat;
107 }