1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_ZSL_SNAPSHOT_CAPTURE_SESSION_H_
#define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_ZSL_SNAPSHOT_CAPTURE_SESSION_H_
#include "basic_result_processor.h"
#include "camera_buffer_allocator_hwl.h"
#include "camera_device_session_hwl.h"
#include "capture_session.h"
#include "capture_session_utils.h"
#include "capture_session_wrapper_process_block.h"
#include "hwl_types.h"
#include "process_block.h"
#include "realtime_zsl_request_processor.h"
#include "realtime_zsl_result_processor.h"
#include "realtime_zsl_result_request_processor.h"
#include "request_processor.h"
#include "result_processor.h"
#include "snapshot_request_processor.h"
#include "snapshot_result_processor.h"
#include "zsl_result_dispatcher.h"
namespace android {
namespace google_camera_hal {
class CameraDeviceSession;
// ZslSnapshotCaptureSession implements a CaptureSession that contains two
// process chains
//
// 1.SnapshotRequestProcessor->SnapshotProcessBlock->SnapshotResultProcessor
//
// 2.RealtimeZslRequestProcessor->CaptureSessionWrapperProcessBlock->RealtimeZslResultRequestProcessor->DenoiseProcessBlock->BasicResultProcessor
// || /\
// \/ ||
// embedded capture session
class ZslSnapshotCaptureSession : public CaptureSession {
public:
// Return if the device session HWL and stream configuration are supported.
static bool IsStreamConfigurationSupported(
CameraDeviceSessionHwl* device_session_hwl,
const StreamConfiguration& stream_config);
// Create a ZslSnapshotCaptureSession.
//
// device_session_hwl is owned by the caller and must be valid during the
// lifetime of ZslSnapshotCaptureSession.
// stream_config is the stream configuration.
// process_capture_result is the callback function to notify results.
// notify is the callback function to notify messages.
// hal_configured_streams will be filled with HAL configured streams.
// camera_allocator_hwl is owned by the caller and must be valid during the
// lifetime of ZslSnapshotCaptureSession.
static std::unique_ptr<CaptureSession> Create(
const StreamConfiguration& stream_config,
const std::vector<ExternalCaptureSessionFactory*>&
external_capture_session_entries,
const std::vector<CaptureSessionEntryFuncs>& capture_session_entries,
HwlSessionCallback hwl_session_callback,
CameraBufferAllocatorHwl* camera_buffer_allocator_hwl,
CameraDeviceSessionHwl* camera_device_session_hwl,
std::vector<HalStream>* hal_configured_streams,
ProcessCaptureResultFunc process_capture_result, NotifyFunc notify);
virtual ~ZslSnapshotCaptureSession();
// Override functions in CaptureSession start.
status_t ProcessRequest(const CaptureRequest& request) override;
status_t Flush() override;
// Override functions in CaptureSession end.
protected:
ZslSnapshotCaptureSession(
const std::vector<ExternalCaptureSessionFactory*>&
external_capture_session_entries,
const std::vector<CaptureSessionEntryFuncs>& capture_session_entries,
HwlSessionCallback hwl_session_callback,
CameraBufferAllocatorHwl* camera_buffer_allocator_hwl,
CameraDeviceSessionHwl* camera_device_session_hwl);
private:
static constexpr uint32_t kPartialResult = 1;
static constexpr int kAdditionalBufferNumber = 3;
status_t Initialize(CameraDeviceSessionHwl* device_session_hwl,
const StreamConfiguration& stream_config,
ProcessCaptureResultFunc process_capture_result,
NotifyFunc notify,
std::vector<HalStream>* hal_configured_streams);
status_t SetupSnapshotProcessChain(
const StreamConfiguration& stream_config,
ProcessCaptureResultFunc process_capture_result, NotifyFunc notify);
status_t SetupRealtimeProcessChain(
const StreamConfiguration& stream_config,
ProcessCaptureResultFunc process_capture_result, NotifyFunc notify);
status_t ConfigureSnapshotStreams(const StreamConfiguration& stream_config);
// Configure streams for request processor and process block.
status_t ConfigureStreams(const StreamConfiguration& stream_config,
RequestProcessor* request_processor,
ProcessBlock* process_block,
ProcessCaptureResultFunc process_capture_result,
NotifyFunc notify, int32_t& additiona_stream_id);
// Build pipelines and return HAL configured streams.
status_t BuildPipelines(ProcessBlock* process_block,
ProcessBlock* snapshot_process_block,
std::vector<HalStream>* hal_configured_streams);
status_t PurgeHalConfiguredStream(
const StreamConfiguration& stream_config,
std::vector<HalStream>* hal_configured_streams);
std::unique_ptr<ProcessBlock> CreateSnapshotProcessBlock();
std::unique_ptr<ProcessBlock> CreateDenoiseProcessBlock();
// Invoked when receiving a result from result processor.
void ProcessCaptureResult(std::unique_ptr<CaptureResult> result);
// Invoked when receiving a message from result processor.
void NotifyHalMessage(const NotifyMessage& message);
std::unique_ptr<InternalStreamManager> internal_stream_manager_;
std::unique_ptr<RealtimeZslRequestProcessor> realtime_request_processor_;
RealtimeZslResultRequestProcessor* realtime_zsl_result_request_processor_ =
nullptr;
// CaptureSessionWrapperProcessBlock will be owned and released by
// RealtimeZslRequestProcessor.
CaptureSessionWrapperProcessBlock* realtime_process_block_ = nullptr;
std::unique_ptr<SnapshotRequestProcessor> snapshot_request_processor_;
// SnapshotProcessBlock will be owned and released by
// SnapshotRequestProcessor.
ProcessBlock* snapshot_process_block_ = nullptr;
// SnapshotResultProcessor will be owned and released by SnapshotProcessBlock.
SnapshotResultProcessor* snapshot_result_processor_ = nullptr;
BasicResultProcessor* basic_result_processor_ = nullptr;
// Use this stream id to check the request is ZSL compatible
int32_t hal_preview_stream_id_ = -1;
int32_t additional_stream_id_ = -1;
std::unique_ptr<ZslResultDispatcher> result_dispatcher_;
std::mutex callback_lock_;
// The following callbacks must be protected by callback_lock_.
ProcessCaptureResultFunc process_capture_result_;
NotifyFunc notify_;
// For error notify to framework directly
NotifyFunc device_session_notify_;
const std::vector<ExternalCaptureSessionFactory*>&
external_capture_session_entries_;
const std::vector<CaptureSessionEntryFuncs>& capture_session_entries_;
HwlSessionCallback hwl_session_callback_;
CameraBufferAllocatorHwl* camera_buffer_allocator_hwl_ = nullptr;
// device_session_hwl_ is owned by the client.
CameraDeviceSessionHwl* camera_device_session_hwl_ = nullptr;
std::vector<HalStream>* hal_config_ = nullptr;
using GetProcessBlockFactoryFunc = ExternalProcessBlockFactory* (*)();
GetProcessBlockFactoryFunc snapshot_process_block_factory_;
// Opened library handles that should be closed on destruction
void* snapshot_process_block_lib_handle_ = nullptr;
GetProcessBlockFactoryFunc denoise_process_block_factory_;
// Opened library handles that should be closed on destruction
void* denoise_process_block_lib_handle_ = nullptr;
// Partial result count reported by HAL
uint32_t partial_result_count_ = 1;
// Whether video software denoise is enabled
bool video_sw_denoise_enabled_ = false;
};
} // namespace google_camera_hal
} // namespace android
#endif // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_ZSL_SNAPSHOT_CAPTURE_SESSION_H_
|
