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 #define LOG_TAG "GCH_SnapshotResultProcessor"
19 #define ATRACE_TAG ATRACE_TAG_CAMERA
20 #include "snapshot_result_processor.h"
21
22 #include <inttypes.h>
23 #include <log/log.h>
24 #include <utils/Trace.h>
25
26 #include "hal_utils.h"
27
28 namespace android {
29 namespace google_camera_hal {
30
Create(InternalStreamManager * internal_stream_manager,int32_t yuv_stream_id)31 std::unique_ptr<SnapshotResultProcessor> SnapshotResultProcessor::Create(
32 InternalStreamManager* internal_stream_manager, int32_t yuv_stream_id) {
33 ATRACE_CALL();
34 if (internal_stream_manager == nullptr) {
35 ALOGE("%s: internal_stream_manager nullptr.", __FUNCTION__);
36 return nullptr;
37 }
38
39 auto result_processor = std::unique_ptr<SnapshotResultProcessor>(
40 new SnapshotResultProcessor(internal_stream_manager, yuv_stream_id));
41 if (result_processor == nullptr) {
42 ALOGE("%s: Creating SnapshotResultProcessor failed.", __FUNCTION__);
43 return nullptr;
44 }
45
46 return result_processor;
47 }
48
SnapshotResultProcessor(InternalStreamManager * internal_stream_manager,int32_t yuv_stream_id)49 SnapshotResultProcessor::SnapshotResultProcessor(
50 InternalStreamManager* internal_stream_manager, int32_t yuv_stream_id) {
51 internal_stream_manager_ = internal_stream_manager;
52 yuv_stream_id_ = yuv_stream_id;
53 }
SetResultCallback(ProcessCaptureResultFunc process_capture_result,NotifyFunc notify)54 void SnapshotResultProcessor::SetResultCallback(
55 ProcessCaptureResultFunc process_capture_result, NotifyFunc notify) {
56 ATRACE_CALL();
57 std::lock_guard<std::mutex> lock(callback_lock_);
58 process_capture_result_ = process_capture_result;
59 notify_ = notify;
60 }
61
AddPendingRequests(const std::vector<ProcessBlockRequest> & process_block_requests,const CaptureRequest & remaining_session_request)62 status_t SnapshotResultProcessor::AddPendingRequests(
63 const std::vector<ProcessBlockRequest>& process_block_requests,
64 const CaptureRequest& remaining_session_request) {
65 ATRACE_CALL();
66 // This is the last result processor. Validity check if requests contains
67 // all remaining output buffers.
68 if (!hal_utils::AreAllRemainingBuffersRequested(process_block_requests,
69 remaining_session_request)) {
70 ALOGE("%s: Some output buffers will not be completed.", __FUNCTION__);
71 return BAD_VALUE;
72 }
73
74 return OK;
75 }
76
ProcessResult(ProcessBlockResult block_result)77 void SnapshotResultProcessor::ProcessResult(ProcessBlockResult block_result) {
78 ATRACE_CALL();
79 std::lock_guard<std::mutex> lock(callback_lock_);
80
81 std::unique_ptr<CaptureResult> result = std::move(block_result.result);
82 if (result == nullptr) {
83 ALOGW("%s: Received a nullptr result.", __FUNCTION__);
84 return;
85 }
86
87 if (process_capture_result_ == nullptr) {
88 ALOGE("%s: process_capture_result_ is nullptr. Dropping a result.",
89 __FUNCTION__);
90 return;
91 }
92
93 // Return yuv buffer to internal stream manager and remove it from result
94 status_t res;
95 if (result->output_buffers.size() != 0 &&
96 internal_stream_manager_->IsPendingBufferEmpty(yuv_stream_id_) == false) {
97 res = internal_stream_manager_->ReturnZslStreamBuffers(result->frame_number,
98 yuv_stream_id_);
99 if (res != OK) {
100 ALOGE("%s: (%d)ReturnZslStreamBuffers fail", __FUNCTION__,
101 result->frame_number);
102 } else {
103 ALOGI("%s: (%d)ReturnZslStreamBuffers ok", __FUNCTION__,
104 result->frame_number);
105 }
106 result->input_buffers.clear();
107 }
108
109 if (result->result_metadata) {
110 res = hal_utils::SetEnableZslMetadata(result->result_metadata.get(), true);
111 if (res != OK) {
112 ALOGW("%s: SetEnableZslMetadata (%d) fail", __FUNCTION__,
113 result->frame_number);
114 }
115 }
116
117 process_capture_result_(std::move(result));
118 }
119
Notify(const ProcessBlockNotifyMessage & block_message)120 void SnapshotResultProcessor::Notify(
121 const ProcessBlockNotifyMessage& block_message) {
122 ATRACE_CALL();
123 std::lock_guard<std::mutex> lock(callback_lock_);
124 if (notify_ == nullptr) {
125 ALOGE("%s: notify_ is nullptr. Dropping a message.", __FUNCTION__);
126 return;
127 }
128
129 notify_(block_message.message);
130 }
131
FlushPendingRequests()132 status_t SnapshotResultProcessor::FlushPendingRequests() {
133 ATRACE_CALL();
134 return INVALID_OPERATION;
135 }
136
137 } // namespace google_camera_hal
138 } // namespace android