1 /*
2 * Copyright (C) 2021 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
16 #include "incremental_pixel_map.h"
17 #include "image_log.h"
18 #include "image_source.h"
19 #include "media_errors.h"
20
21 #undef LOG_DOMAIN
22 #define LOG_DOMAIN LOG_TAG_DOMAIN_ID_IMAGE
23
24 #undef LOG_TAG
25 #define LOG_TAG "IncrementalPixelMap"
26
27 namespace OHOS {
28 namespace Media {
29
ConvertImageStateToIncrementalState(ImageDecodingState imageState)30 static IncrementalDecodingState ConvertImageStateToIncrementalState(ImageDecodingState imageState)
31 {
32 switch (imageState) {
33 case ImageDecodingState::UNRESOLVED: {
34 return IncrementalDecodingState::UNRESOLVED;
35 }
36 case ImageDecodingState::BASE_INFO_ERROR: {
37 return IncrementalDecodingState::BASE_INFO_ERROR;
38 }
39 case ImageDecodingState::BASE_INFO_PARSED: {
40 return IncrementalDecodingState::BASE_INFO_PARSED;
41 }
42 case ImageDecodingState::IMAGE_DECODING: {
43 return IncrementalDecodingState::IMAGE_DECODING;
44 }
45 case ImageDecodingState::IMAGE_ERROR: {
46 return IncrementalDecodingState::IMAGE_ERROR;
47 }
48 case ImageDecodingState::PARTIAL_IMAGE: {
49 return IncrementalDecodingState::PARTIAL_IMAGE;
50 }
51 case ImageDecodingState::IMAGE_DECODED: {
52 return IncrementalDecodingState::IMAGE_DECODED;
53 }
54 default: {
55 IMAGE_LOGE("unexpected imageState %{public}d.", imageState);
56 return IncrementalDecodingState::UNRESOLVED;
57 }
58 }
59 }
60
~IncrementalPixelMap()61 IncrementalPixelMap::~IncrementalPixelMap()
62 {
63 if (imageSource_ == nullptr) {
64 return;
65 }
66 DetachSource();
67 }
68
IncrementalPixelMap(uint32_t index,const DecodeOptions opts,ImageSource * imageSource)69 IncrementalPixelMap::IncrementalPixelMap(uint32_t index, const DecodeOptions opts, ImageSource *imageSource)
70 : index_(index), opts_(opts), imageSource_(imageSource)
71 {
72 if (imageSource_ != nullptr) {
73 imageSource_->RegisterListener(static_cast<PeerListener *>(this));
74 }
75 }
76
PromoteDecoding(uint8_t & decodeProgress)77 uint32_t IncrementalPixelMap::PromoteDecoding(uint8_t &decodeProgress)
78 {
79 if (imageSource_ == nullptr) {
80 if (decodingStatus_.state == IncrementalDecodingState::BASE_INFO_ERROR ||
81 decodingStatus_.state == IncrementalDecodingState::IMAGE_ERROR) {
82 IMAGE_LOGE("promote decode failed for state %{public}d, errorDetail %{public}u.", decodingStatus_.state,
83 decodingStatus_.errorDetail);
84 return decodingStatus_.errorDetail;
85 }
86 IMAGE_LOGE("promote decode failed or terminated, image source is null.");
87 return ERR_IMAGE_SOURCE_DATA;
88 }
89 ImageDecodingState imageState = ImageDecodingState::UNRESOLVED;
90 uint32_t ret =
91 imageSource_->PromoteDecoding(index_, opts_, *(static_cast<PixelMap *>(this)), imageState, decodeProgress);
92 decodingStatus_.state = ConvertImageStateToIncrementalState(imageState);
93 if (decodeProgress > decodingStatus_.decodingProgress) {
94 decodingStatus_.decodingProgress = decodeProgress;
95 }
96 if (ret != SUCCESS && ret != ERR_IMAGE_SOURCE_DATA_INCOMPLETE) {
97 DetachSource();
98 decodingStatus_.errorDetail = ret;
99 IMAGE_LOGE("promote decode failed, ret=%{public}u.", ret);
100 }
101 if (ret == SUCCESS) {
102 DetachSource();
103 }
104 return ret;
105 }
106
DetachFromDecoding()107 void IncrementalPixelMap::DetachFromDecoding()
108 {
109 if (imageSource_ == nullptr) {
110 return;
111 }
112 DetachSource();
113 }
114
GetDecodingStatus()115 const IncrementalDecodingStatus &IncrementalPixelMap::GetDecodingStatus()
116 {
117 return decodingStatus_;
118 }
119
OnPeerDestory()120 void IncrementalPixelMap::OnPeerDestory()
121 {
122 imageSource_ = nullptr;
123 }
124
DetachSource()125 void IncrementalPixelMap::DetachSource()
126 {
127 imageSource_->DetachIncrementalDecoding(*(static_cast<PixelMap *>(this)));
128 imageSource_->UnRegisterListener(this);
129 imageSource_ = nullptr;
130 }
131 } // namespace Media
132 } // namespace OHOS
133