DynamicRangesCompatApi33Impl.java
/*
* Copyright 2022 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.
*/
package androidx.camera.camera2.internal.compat.params;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_10B_HDR_OEM;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_10B_HDR_OEM_PO;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_10B_HDR_REF;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_10B_HDR_REF_PO;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_8B_HDR_OEM;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_8B_HDR_OEM_PO;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_8B_HDR_REF;
import static android.hardware.camera2.params.DynamicRangeProfiles.DOLBY_VISION_8B_HDR_REF_PO;
import static android.hardware.camera2.params.DynamicRangeProfiles.HDR10;
import static android.hardware.camera2.params.DynamicRangeProfiles.HDR10_PLUS;
import static android.hardware.camera2.params.DynamicRangeProfiles.HLG10;
import static android.hardware.camera2.params.DynamicRangeProfiles.STANDARD;
import android.hardware.camera2.params.DynamicRangeProfiles;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.camera.core.DynamicRange;
import androidx.core.util.Preconditions;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
@RequiresApi(33)
class DynamicRangesCompatApi33Impl implements DynamicRangesCompat.DynamicRangeProfilesCompatImpl {
private static final Map<Long, DynamicRange> PROFILE_TO_DR_MAP = new HashMap<>();
private static final Map<DynamicRange, List<Long>> DR_TO_PROFILE_MAP = new HashMap<>();
static {
// SDR
PROFILE_TO_DR_MAP.put(STANDARD, DynamicRange.SDR);
DR_TO_PROFILE_MAP.put(DynamicRange.SDR, Collections.singletonList(STANDARD));
// HLG
PROFILE_TO_DR_MAP.put(HLG10,
new DynamicRange(DynamicRange.FORMAT_HLG, DynamicRange.BIT_DEPTH_10_BIT));
DR_TO_PROFILE_MAP.put(PROFILE_TO_DR_MAP.get(HLG10), Collections.singletonList(HLG10));
// HDR10
DynamicRange hdr10 = new DynamicRange(DynamicRange.FORMAT_HDR10,
DynamicRange.BIT_DEPTH_10_BIT);
PROFILE_TO_DR_MAP.put(HDR10, hdr10);
DR_TO_PROFILE_MAP.put(hdr10, Collections.singletonList(HDR10));
// HDR10+
DynamicRange hdr10Plus = new DynamicRange(DynamicRange.FORMAT_HDR10_PLUS,
DynamicRange.BIT_DEPTH_10_BIT);
PROFILE_TO_DR_MAP.put(HDR10_PLUS, hdr10Plus);
DR_TO_PROFILE_MAP.put(hdr10Plus, Collections.singletonList(HDR10_PLUS));
// Dolby Vision 10-bit
DynamicRange dolbyVision10Bit = new DynamicRange(DynamicRange.FORMAT_DOLBY_VISION,
DynamicRange.BIT_DEPTH_10_BIT);
// A list of the Camera2 10-bit dolby vision profiles ordered by priority. Any API that
// takes a DynamicRange with dolby vision format will attempt to convert to these
// profiles in order, using the first one that is supported. We will need to add a
// mechanism for choosing between these
List<Long> dolbyVision10BitProfilesOrdered = Arrays.asList(DOLBY_VISION_10B_HDR_OEM,
DOLBY_VISION_10B_HDR_OEM_PO, DOLBY_VISION_10B_HDR_REF, DOLBY_VISION_10B_HDR_REF_PO);
for (Long profile : dolbyVision10BitProfilesOrdered) {
PROFILE_TO_DR_MAP.put(profile, dolbyVision10Bit);
}
DR_TO_PROFILE_MAP.put(dolbyVision10Bit, dolbyVision10BitProfilesOrdered);
// Dolby vision 8-bit
DynamicRange dolbyVision8Bit = new DynamicRange(DynamicRange.FORMAT_DOLBY_VISION,
DynamicRange.BIT_DEPTH_8_BIT);
List<Long> dolbyVision8BitProfilesOrdered = Arrays.asList(DOLBY_VISION_8B_HDR_OEM,
DOLBY_VISION_8B_HDR_OEM_PO, DOLBY_VISION_8B_HDR_REF, DOLBY_VISION_8B_HDR_REF_PO);
for (Long profile : dolbyVision8BitProfilesOrdered) {
PROFILE_TO_DR_MAP.put(profile, dolbyVision8Bit);
}
DR_TO_PROFILE_MAP.put(dolbyVision8Bit, dolbyVision8BitProfilesOrdered);
}
private final DynamicRangeProfiles mDynamicRangeProfiles;
DynamicRangesCompatApi33Impl(@NonNull Object dynamicRangeProfiles) {
mDynamicRangeProfiles = (DynamicRangeProfiles) dynamicRangeProfiles;
}
@NonNull
@Override
public Set<DynamicRange> getDynamicRangeCaptureRequestConstraints(
@NonNull DynamicRange dynamicRange) {
Long dynamicRangeProfile = dynamicRangeToFirstSupportedProfile(dynamicRange);
Preconditions.checkArgument(dynamicRangeProfile != null,
"DynamicRange is not supported: " + dynamicRange);
return profileSetToDynamicRangeSet(
mDynamicRangeProfiles.getProfileCaptureRequestConstraints(dynamicRangeProfile));
}
@NonNull
@Override
public Set<DynamicRange> getSupportedDynamicRanges() {
return profileSetToDynamicRangeSet(mDynamicRangeProfiles.getSupportedProfiles());
}
@Override
public boolean isExtraLatencyPresent(@NonNull DynamicRange dynamicRange) {
Long dynamicRangeProfile = dynamicRangeToFirstSupportedProfile(dynamicRange);
Preconditions.checkArgument(dynamicRangeProfile != null,
"DynamicRange is not supported: " + dynamicRange);
return mDynamicRangeProfiles.isExtraLatencyPresent(dynamicRangeProfile);
}
@Nullable
@Override
public DynamicRangeProfiles unwrap() {
return mDynamicRangeProfiles;
}
@NonNull
private static DynamicRange profileToDynamicRange(long profile) {
return Preconditions.checkNotNull(PROFILE_TO_DR_MAP.get(profile),
"Dynamic range profile cannot be converted to a DynamicRange object: " + profile);
}
@Nullable
private Long dynamicRangeToFirstSupportedProfile(@NonNull DynamicRange dynamicRange) {
List<Long> orderedProfiles =
Preconditions.checkNotNull(DR_TO_PROFILE_MAP.get(dynamicRange),
"DynamicRange object does not have an associated camera2 profile: "
+ dynamicRange);
Set<Long> supportedList = mDynamicRangeProfiles.getSupportedProfiles();
for (Long profile : orderedProfiles) {
if (supportedList.contains(profile)) {
return profile;
}
}
// No profile supported
return null;
}
@NonNull
private static Set<DynamicRange> profileSetToDynamicRangeSet(@NonNull Set<Long> profileSet) {
if (profileSet.isEmpty()) {
return Collections.emptySet();
}
Set<DynamicRange> dynamicRangeSet = new HashSet<>(profileSet.size());
for (long profile : profileSet) {
dynamicRangeSet.add(profileToDynamicRange(profile));
}
return Collections.unmodifiableSet(dynamicRangeSet);
}
}