1 /*
2 * Copyright (C) 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //#define LOG_NDEBUG 0
18 #include "system/graphics-base-v1.0.h"
19 #define LOG_TAG "GCH_SnapshotRequestProcessor"
20 #define ATRACE_TAG ATRACE_TAG_CAMERA
21 #include <log/log.h>
22 #include <utils/Trace.h>
23
24 #include "snapshot_request_processor.h"
25 #include "vendor_tag_defs.h"
26
27 namespace android {
28 namespace google_camera_hal {
29
Create(CameraDeviceSessionHwl * device_session_hwl,HwlSessionCallback session_callback,int32_t yuv_stream_id)30 std::unique_ptr<SnapshotRequestProcessor> SnapshotRequestProcessor::Create(
31 CameraDeviceSessionHwl* device_session_hwl,
32 HwlSessionCallback session_callback, int32_t yuv_stream_id) {
33 ATRACE_CALL();
34 if (device_session_hwl == nullptr) {
35 ALOGE("%s: device_session_hwl (%p) is nullptr", __FUNCTION__,
36 device_session_hwl);
37 return nullptr;
38 }
39
40 auto request_processor = std::unique_ptr<SnapshotRequestProcessor>(
41 new SnapshotRequestProcessor(session_callback));
42 if (request_processor == nullptr) {
43 ALOGE("%s: Creating SnapshotRequestProcessor failed.", __FUNCTION__);
44 return nullptr;
45 }
46
47 status_t res =
48 request_processor->Initialize(device_session_hwl, yuv_stream_id);
49 if (res != OK) {
50 ALOGE("%s: Initializing SnapshotRequestProcessor failed: %s (%d).",
51 __FUNCTION__, strerror(-res), res);
52 return nullptr;
53 }
54
55 return request_processor;
56 }
57
Initialize(CameraDeviceSessionHwl * device_session_hwl,int32_t yuv_stream_id)58 status_t SnapshotRequestProcessor::Initialize(
59 CameraDeviceSessionHwl* device_session_hwl, int32_t yuv_stream_id) {
60 ATRACE_CALL();
61 std::unique_ptr<HalCameraMetadata> characteristics;
62 status_t res = device_session_hwl->GetCameraCharacteristics(&characteristics);
63 if (res != OK) {
64 ALOGE("%s: GetCameraCharacteristics failed.", __FUNCTION__);
65 return BAD_VALUE;
66 }
67
68 camera_metadata_ro_entry entry;
69 res = characteristics->Get(
70 ANDROID_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE, &entry);
71 if (res == OK) {
72 active_array_width_ = entry.data.i32[2];
73 active_array_height_ = entry.data.i32[3];
74 ALOGI("%s Active size (%d x %d).", __FUNCTION__, active_array_width_,
75 active_array_height_);
76 } else {
77 ALOGE("%s Get active size failed: %s (%d).", __FUNCTION__, strerror(-res),
78 res);
79 return res;
80 }
81
82 yuv_stream_id_ = yuv_stream_id;
83
84 return OK;
85 }
86
ConfigureStreams(InternalStreamManager * internal_stream_manager,const StreamConfiguration & stream_config,StreamConfiguration * process_block_stream_config)87 status_t SnapshotRequestProcessor::ConfigureStreams(
88 InternalStreamManager* internal_stream_manager,
89 const StreamConfiguration& stream_config,
90 StreamConfiguration* process_block_stream_config) {
91 ATRACE_CALL();
92 if (process_block_stream_config == nullptr ||
93 internal_stream_manager == nullptr) {
94 ALOGE(
95 "%s: process_block_stream_config (%p) is nullptr or "
96 "internal_stream_manager (%p) is nullptr",
97 __FUNCTION__, process_block_stream_config, internal_stream_manager);
98 return BAD_VALUE;
99 }
100
101 internal_stream_manager_ = internal_stream_manager;
102
103 Stream yuv_stream;
104 yuv_stream.stream_type = StreamType::kInput;
105 yuv_stream.width = active_array_width_;
106 yuv_stream.height = active_array_height_;
107 yuv_stream.format = HAL_PIXEL_FORMAT_YCBCR_420_888;
108 yuv_stream.usage = 0;
109 yuv_stream.rotation = StreamRotation::kRotation0;
110 yuv_stream.data_space = HAL_DATASPACE_ARBITRARY;
111 // Set id back to yuv_stream and then HWL can get correct HAL stream ID
112 yuv_stream.id = yuv_stream_id_;
113
114 process_block_stream_config->streams = stream_config.streams;
115 // Add internal yuv stream
116 process_block_stream_config->streams.push_back(yuv_stream);
117 process_block_stream_config->operation_mode = stream_config.operation_mode;
118 process_block_stream_config->session_params =
119 HalCameraMetadata::Clone(stream_config.session_params.get());
120 process_block_stream_config->stream_config_counter =
121 stream_config.stream_config_counter;
122
123 return OK;
124 }
125
SetProcessBlock(std::unique_ptr<ProcessBlock> process_block)126 status_t SnapshotRequestProcessor::SetProcessBlock(
127 std::unique_ptr<ProcessBlock> process_block) {
128 ATRACE_CALL();
129 if (process_block == nullptr) {
130 ALOGE("%s: process_block is nullptr", __FUNCTION__);
131 return BAD_VALUE;
132 }
133
134 std::lock_guard<std::mutex> lock(process_block_lock_);
135 if (process_block_ != nullptr) {
136 ALOGE("%s: Already configured.", __FUNCTION__);
137 return ALREADY_EXISTS;
138 }
139
140 process_block_ = std::move(process_block);
141 return OK;
142 }
143
IsReadyForNextRequest()144 bool SnapshotRequestProcessor::IsReadyForNextRequest() {
145 ATRACE_CALL();
146 if (internal_stream_manager_ == nullptr) {
147 ALOGW("%s: internal_stream_manager_ nullptr", __FUNCTION__);
148 return false;
149 }
150 if (internal_stream_manager_->IsPendingBufferEmpty(yuv_stream_id_) == false) {
151 return false;
152 }
153 return true;
154 }
155
ProcessRequest(const CaptureRequest & request)156 status_t SnapshotRequestProcessor::ProcessRequest(const CaptureRequest& request) {
157 ATRACE_CALL();
158 std::lock_guard<std::mutex> lock(process_block_lock_);
159 if (process_block_ == nullptr) {
160 ALOGE("%s: Not configured yet.", __FUNCTION__);
161 return NO_INIT;
162 }
163
164 if (IsReadyForNextRequest() == false) {
165 return BAD_VALUE;
166 }
167
168 CaptureRequest block_request;
169 block_request.frame_number = request.frame_number;
170 block_request.settings = HalCameraMetadata::Clone(request.settings.get());
171
172 for (const auto& output_buffer : request.output_buffers) {
173 session_callback_.request_stream_buffers(
174 output_buffer.stream_id, /*buffer_sizes=*/1,
175 &block_request.output_buffers, request.frame_number);
176 }
177
178 for (auto& [camera_id, physical_metadata] : request.physical_camera_settings) {
179 block_request.physical_camera_settings[camera_id] =
180 HalCameraMetadata::Clone(physical_metadata.get());
181 }
182
183 // Get multiple yuv buffer and metadata from internal stream as input
184 status_t result = internal_stream_manager_->GetMostRecentStreamBuffer(
185 yuv_stream_id_, &(block_request.input_buffers),
186 &(block_request.input_buffer_metadata), /*payload_frames=*/kZslBufferSize);
187 if (result != OK) {
188 ALOGE("%s: frame:%d GetStreamBuffer failed.", __FUNCTION__,
189 request.frame_number);
190 session_callback_.return_stream_buffers(block_request.output_buffers);
191 return UNKNOWN_ERROR;
192 }
193
194 // TODO(mhtan): may need to remove some metadata here.
195 std::vector<ProcessBlockRequest> block_requests(1);
196 block_requests[0].request = std::move(block_request);
197 ALOGD("%s: frame number %u is a snapshot request.", __FUNCTION__,
198 request.frame_number);
199
200 result = process_block_->ProcessRequests(block_requests, request);
201 if (result != OK) {
202 session_callback_.return_stream_buffers(
203 block_requests[0].request.output_buffers);
204 }
205
206 return result;
207 }
208
Flush()209 status_t SnapshotRequestProcessor::Flush() {
210 ATRACE_CALL();
211 std::lock_guard<std::mutex> lock(process_block_lock_);
212 if (process_block_ == nullptr) {
213 return OK;
214 }
215
216 return process_block_->Flush();
217 }
218
219 } // namespace google_camera_hal
220 } // namespace android