1 /*
2 * Copyright (C) 2015 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 "ACameraMetadata"
19
20 #include "ACameraMetadata.h"
21 #include <utils/Vector.h>
22 #include <system/graphics.h>
23 #include <media/NdkImage.h>
24
25 using namespace android;
26
27 /**
28 * ACameraMetadata Implementation
29 */
ACameraMetadata(camera_metadata_t * buffer,ACAMERA_METADATA_TYPE type)30 ACameraMetadata::ACameraMetadata(camera_metadata_t* buffer, ACAMERA_METADATA_TYPE type) :
31 mData(buffer), mType(type) {
32 if (mType == ACM_CHARACTERISTICS) {
33 filterUnsupportedFeatures();
34 filterStreamConfigurations();
35 }
36 // TODO: filter request/result keys
37 }
38
39 bool
isNdkSupportedCapability(int32_t capability)40 ACameraMetadata::isNdkSupportedCapability(int32_t capability) {
41 switch (capability) {
42 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE:
43 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR:
44 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING:
45 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_RAW:
46 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_READ_SENSOR_SETTINGS:
47 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE:
48 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT:
49 return true;
50 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING:
51 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING:
52 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO:
53 return false;
54 default:
55 // Newly defined capabilities will be unsupported by default (blacklist)
56 // TODO: Should we do whitelist or blacklist here?
57 ALOGE("%s: Unknonwn capability %d", __FUNCTION__, capability);
58 return false;
59 }
60 }
61
62 void
filterUnsupportedFeatures()63 ACameraMetadata::filterUnsupportedFeatures() {
64 // Hide unsupported capabilities (reprocessing)
65 camera_metadata_entry entry = mData.find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
66 if (entry.count == 0 || entry.type != TYPE_BYTE) {
67 ALOGE("%s: malformed available capability key! count %zu, type %d",
68 __FUNCTION__, entry.count, entry.type);
69 return;
70 }
71
72 Vector<uint8_t> capabilities;
73 capabilities.setCapacity(entry.count);
74 for (size_t i = 0; i < entry.count; i++) {
75 uint8_t capability = entry.data.u8[i];
76 if (isNdkSupportedCapability(capability)) {
77 capabilities.push(capability);
78 }
79 }
80 mData.update(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, capabilities);
81 }
82
83
84 void
filterStreamConfigurations()85 ACameraMetadata::filterStreamConfigurations() {
86 const int STREAM_CONFIGURATION_SIZE = 4;
87 const int STREAM_FORMAT_OFFSET = 0;
88 const int STREAM_WIDTH_OFFSET = 1;
89 const int STREAM_HEIGHT_OFFSET = 2;
90 const int STREAM_IS_INPUT_OFFSET = 3;
91 camera_metadata_entry entry = mData.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
92 if (entry.count == 0 || entry.count % 4 || entry.type != TYPE_INT32) {
93 ALOGE("%s: malformed available stream configuration key! count %zu, type %d",
94 __FUNCTION__, entry.count, entry.type);
95 return;
96 }
97
98 Vector<int32_t> filteredStreamConfigs;
99 filteredStreamConfigs.setCapacity(entry.count);
100
101 for (size_t i=0; i < entry.count; i += STREAM_CONFIGURATION_SIZE) {
102 int32_t format = entry.data.i32[i + STREAM_FORMAT_OFFSET];
103 int32_t width = entry.data.i32[i + STREAM_WIDTH_OFFSET];
104 int32_t height = entry.data.i32[i + STREAM_HEIGHT_OFFSET];
105 int32_t isInput = entry.data.i32[i + STREAM_IS_INPUT_OFFSET];
106 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT) {
107 // Hide input streams
108 continue;
109 }
110 // Translate HAL formats to NDK format
111 if (format == HAL_PIXEL_FORMAT_BLOB) {
112 format = AIMAGE_FORMAT_JPEG;
113 }
114 filteredStreamConfigs.push_back(format);
115 filteredStreamConfigs.push_back(width);
116 filteredStreamConfigs.push_back(height);
117 filteredStreamConfigs.push_back(isInput);
118 }
119
120 mData.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, filteredStreamConfigs);
121
122 entry = mData.find(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS);
123 Vector<int32_t> filteredDepthStreamConfigs;
124 filteredDepthStreamConfigs.setCapacity(entry.count);
125
126 for (size_t i=0; i < entry.count; i += STREAM_CONFIGURATION_SIZE) {
127 int32_t format = entry.data.i32[i + STREAM_FORMAT_OFFSET];
128 int32_t width = entry.data.i32[i + STREAM_WIDTH_OFFSET];
129 int32_t height = entry.data.i32[i + STREAM_HEIGHT_OFFSET];
130 int32_t isInput = entry.data.i32[i + STREAM_IS_INPUT_OFFSET];
131 if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT) {
132 // Hide input streams
133 continue;
134 }
135 // Translate HAL formats to NDK format
136 if (format == HAL_PIXEL_FORMAT_BLOB) {
137 format = AIMAGE_FORMAT_DEPTH_POINT_CLOUD;
138 } else if (format == HAL_PIXEL_FORMAT_Y16) {
139 format = AIMAGE_FORMAT_DEPTH16;
140 }
141
142 filteredDepthStreamConfigs.push_back(format);
143 filteredDepthStreamConfigs.push_back(width);
144 filteredDepthStreamConfigs.push_back(height);
145 filteredDepthStreamConfigs.push_back(isInput);
146 }
147 mData.update(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS, filteredDepthStreamConfigs);
148 }
149
150 bool
isVendorTag(const uint32_t tag)151 ACameraMetadata::isVendorTag(const uint32_t tag) {
152 uint32_t tag_section = tag >> 16;
153 if (tag_section >= VENDOR_SECTION) {
154 return true;
155 }
156 return false;
157 }
158
159 camera_status_t
getConstEntry(uint32_t tag,ACameraMetadata_const_entry * entry) const160 ACameraMetadata::getConstEntry(uint32_t tag, ACameraMetadata_const_entry* entry) const {
161 if (entry == nullptr) {
162 return ACAMERA_ERROR_INVALID_PARAMETER;
163 }
164
165 Mutex::Autolock _l(mLock);
166
167 camera_metadata_ro_entry rawEntry = mData.find(tag);
168 if (rawEntry.count == 0) {
169 ALOGE("%s: cannot find metadata tag %d", __FUNCTION__, tag);
170 return ACAMERA_ERROR_METADATA_NOT_FOUND;
171 }
172 entry->tag = tag;
173 entry->type = rawEntry.type;
174 entry->count = rawEntry.count;
175 entry->data.u8 = rawEntry.data.u8;
176 return ACAMERA_OK;
177 }
178
179 camera_status_t
update(uint32_t tag,uint32_t count,const uint8_t * data)180 ACameraMetadata::update(uint32_t tag, uint32_t count, const uint8_t* data) {
181 return updateImpl<uint8_t>(tag, count, data);
182 }
183
184 camera_status_t
update(uint32_t tag,uint32_t count,const int32_t * data)185 ACameraMetadata::update(uint32_t tag, uint32_t count, const int32_t* data) {
186 return updateImpl<int32_t>(tag, count, data);
187 }
188
189 camera_status_t
update(uint32_t tag,uint32_t count,const float * data)190 ACameraMetadata::update(uint32_t tag, uint32_t count, const float* data) {
191 return updateImpl<float>(tag, count, data);
192 }
193
194 camera_status_t
update(uint32_t tag,uint32_t count,const double * data)195 ACameraMetadata::update(uint32_t tag, uint32_t count, const double* data) {
196 return updateImpl<double>(tag, count, data);
197 }
198
199 camera_status_t
update(uint32_t tag,uint32_t count,const int64_t * data)200 ACameraMetadata::update(uint32_t tag, uint32_t count, const int64_t* data) {
201 return updateImpl<int64_t>(tag, count, data);
202 }
203
204 camera_status_t
update(uint32_t tag,uint32_t count,const ACameraMetadata_rational * data)205 ACameraMetadata::update(uint32_t tag, uint32_t count, const ACameraMetadata_rational* data) {
206 return updateImpl<camera_metadata_rational_t>(tag, count, data);
207 }
208
209 camera_status_t
getTags(int32_t * numTags,const uint32_t ** tags) const210 ACameraMetadata::getTags(/*out*/int32_t* numTags,
211 /*out*/const uint32_t** tags) const {
212 Mutex::Autolock _l(mLock);
213 if (mTags.size() == 0) {
214 size_t entry_count = mData.entryCount();
215 mTags.setCapacity(entry_count);
216 const camera_metadata_t* rawMetadata = mData.getAndLock();
217 for (size_t i = 0; i < entry_count; i++) {
218 camera_metadata_ro_entry_t entry;
219 int ret = get_camera_metadata_ro_entry(rawMetadata, i, &entry);
220 if (ret != 0) {
221 ALOGE("%s: error reading metadata index %zu", __FUNCTION__, i);
222 return ACAMERA_ERROR_UNKNOWN;
223 }
224 // Hide system key from users
225 if (sSystemTags.count(entry.tag) == 0) {
226 mTags.push_back(entry.tag);
227 }
228 }
229 mData.unlock(rawMetadata);
230 }
231
232 *numTags = mTags.size();
233 *tags = mTags.array();
234 return ACAMERA_OK;
235 }
236
237 const CameraMetadata&
getInternalData()238 ACameraMetadata::getInternalData() {
239 return mData;
240 }
241
242 // TODO: some of key below should be hidden from user
243 // ex: ACAMERA_REQUEST_ID and ACAMERA_REPROCESS_EFFECTIVE_EXPOSURE_FACTOR
244 /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~
245 * The key entries below this point are generated from metadata
246 * definitions in /system/media/camera/docs. Do not modify by hand or
247 * modify the comment blocks at the start or end.
248 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/
249
250 bool
isCaptureRequestTag(const uint32_t tag)251 ACameraMetadata::isCaptureRequestTag(const uint32_t tag) {
252 // Skip check for vendor keys
253 if (isVendorTag(tag)) {
254 return true;
255 }
256
257 switch (tag) {
258 case ACAMERA_COLOR_CORRECTION_MODE:
259 case ACAMERA_COLOR_CORRECTION_TRANSFORM:
260 case ACAMERA_COLOR_CORRECTION_GAINS:
261 case ACAMERA_COLOR_CORRECTION_ABERRATION_MODE:
262 case ACAMERA_CONTROL_AE_ANTIBANDING_MODE:
263 case ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION:
264 case ACAMERA_CONTROL_AE_LOCK:
265 case ACAMERA_CONTROL_AE_MODE:
266 case ACAMERA_CONTROL_AE_REGIONS:
267 case ACAMERA_CONTROL_AE_TARGET_FPS_RANGE:
268 case ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER:
269 case ACAMERA_CONTROL_AF_MODE:
270 case ACAMERA_CONTROL_AF_REGIONS:
271 case ACAMERA_CONTROL_AF_TRIGGER:
272 case ACAMERA_CONTROL_AWB_LOCK:
273 case ACAMERA_CONTROL_AWB_MODE:
274 case ACAMERA_CONTROL_AWB_REGIONS:
275 case ACAMERA_CONTROL_CAPTURE_INTENT:
276 case ACAMERA_CONTROL_EFFECT_MODE:
277 case ACAMERA_CONTROL_MODE:
278 case ACAMERA_CONTROL_SCENE_MODE:
279 case ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE:
280 case ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST:
281 case ACAMERA_CONTROL_ENABLE_ZSL:
282 case ACAMERA_EDGE_MODE:
283 case ACAMERA_FLASH_MODE:
284 case ACAMERA_HOT_PIXEL_MODE:
285 case ACAMERA_JPEG_GPS_COORDINATES:
286 case ACAMERA_JPEG_GPS_PROCESSING_METHOD:
287 case ACAMERA_JPEG_GPS_TIMESTAMP:
288 case ACAMERA_JPEG_ORIENTATION:
289 case ACAMERA_JPEG_QUALITY:
290 case ACAMERA_JPEG_THUMBNAIL_QUALITY:
291 case ACAMERA_JPEG_THUMBNAIL_SIZE:
292 case ACAMERA_LENS_APERTURE:
293 case ACAMERA_LENS_FILTER_DENSITY:
294 case ACAMERA_LENS_FOCAL_LENGTH:
295 case ACAMERA_LENS_FOCUS_DISTANCE:
296 case ACAMERA_LENS_OPTICAL_STABILIZATION_MODE:
297 case ACAMERA_NOISE_REDUCTION_MODE:
298 case ACAMERA_SCALER_CROP_REGION:
299 case ACAMERA_SENSOR_EXPOSURE_TIME:
300 case ACAMERA_SENSOR_FRAME_DURATION:
301 case ACAMERA_SENSOR_SENSITIVITY:
302 case ACAMERA_SENSOR_TEST_PATTERN_DATA:
303 case ACAMERA_SENSOR_TEST_PATTERN_MODE:
304 case ACAMERA_SHADING_MODE:
305 case ACAMERA_STATISTICS_FACE_DETECT_MODE:
306 case ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE:
307 case ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE:
308 case ACAMERA_TONEMAP_CURVE_BLUE:
309 case ACAMERA_TONEMAP_CURVE_GREEN:
310 case ACAMERA_TONEMAP_CURVE_RED:
311 case ACAMERA_TONEMAP_MODE:
312 case ACAMERA_TONEMAP_GAMMA:
313 case ACAMERA_TONEMAP_PRESET_CURVE:
314 case ACAMERA_BLACK_LEVEL_LOCK:
315 return true;
316 default:
317 return false;
318 }
319 }
320
321 // System tags that should be hidden from users
322 std::unordered_set<uint32_t> ACameraMetadata::sSystemTags ({
323 ANDROID_CONTROL_SCENE_MODE_OVERRIDES,
324 ANDROID_CONTROL_AE_PRECAPTURE_ID,
325 ANDROID_CONTROL_AF_TRIGGER_ID,
326 ANDROID_DEMOSAIC_MODE,
327 ANDROID_EDGE_STRENGTH,
328 ANDROID_FLASH_FIRING_POWER,
329 ANDROID_FLASH_FIRING_TIME,
330 ANDROID_FLASH_COLOR_TEMPERATURE,
331 ANDROID_FLASH_MAX_ENERGY,
332 ANDROID_FLASH_INFO_CHARGE_DURATION,
333 ANDROID_JPEG_MAX_SIZE,
334 ANDROID_JPEG_SIZE,
335 ANDROID_NOISE_REDUCTION_STRENGTH,
336 ANDROID_QUIRKS_METERING_CROP_REGION,
337 ANDROID_QUIRKS_TRIGGER_AF_WITH_AUTO,
338 ANDROID_QUIRKS_USE_ZSL_FORMAT,
339 ANDROID_REQUEST_INPUT_STREAMS,
340 ANDROID_REQUEST_METADATA_MODE,
341 ANDROID_REQUEST_OUTPUT_STREAMS,
342 ANDROID_REQUEST_TYPE,
343 ANDROID_REQUEST_MAX_NUM_REPROCESS_STREAMS,
344 ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS,
345 ANDROID_SCALER_AVAILABLE_RAW_SIZES,
346 ANDROID_SENSOR_BASE_GAIN_FACTOR,
347 ANDROID_SENSOR_PROFILE_HUE_SAT_MAP_DIMENSIONS,
348 ANDROID_SENSOR_TEMPERATURE,
349 ANDROID_SENSOR_PROFILE_HUE_SAT_MAP,
350 ANDROID_SENSOR_PROFILE_TONE_CURVE,
351 ANDROID_SENSOR_OPAQUE_RAW_SIZE,
352 ANDROID_SHADING_STRENGTH,
353 ANDROID_STATISTICS_HISTOGRAM_MODE,
354 ANDROID_STATISTICS_SHARPNESS_MAP_MODE,
355 ANDROID_STATISTICS_HISTOGRAM,
356 ANDROID_STATISTICS_SHARPNESS_MAP,
357 ANDROID_STATISTICS_INFO_HISTOGRAM_BUCKET_COUNT,
358 ANDROID_STATISTICS_INFO_MAX_HISTOGRAM_COUNT,
359 ANDROID_STATISTICS_INFO_MAX_SHARPNESS_MAP_VALUE,
360 ANDROID_STATISTICS_INFO_SHARPNESS_MAP_SIZE,
361 ANDROID_DEPTH_MAX_DEPTH_SAMPLES,
362 });
363
364 /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~
365 * End generated code
366 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/
367