| /* |
| * 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. |
| */ |
| |
| package android.hardware.camera2.params; |
| |
| import android.annotation.LongDef; |
| import android.annotation.NonNull; |
| |
| import android.hardware.camera2.CameraMetadata; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Immutable class with information about supported 10-bit dynamic range profiles. |
| * |
| * <p>An instance of this class can be queried by retrieving the value of |
| * {@link android.hardware.camera2.CameraCharacteristics#REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES}. |
| * </p> |
| * |
| * <p>All camera devices supporting the |
| * {@link android.hardware.camera2.CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_DYNAMIC_RANGE_TEN_BIT} |
| * capability must advertise the supported 10-bit dynamic range profiles in |
| * {@link #getSupportedProfiles}</p> |
| * |
| * <p>Some devices may not be able to support 8-bit and/or 10-bit output with different dynamic |
| * range profiles within the same capture request. Such device specific constraints can be queried |
| * by calling {@link #getProfileCaptureRequestConstraints}. Do note that unsupported |
| * combinations will result in {@link IllegalArgumentException} when trying to submit a capture |
| * request. Capture requests that only reference outputs configured using the same dynamic range |
| * profile value will never fail due to such constraints.</p> |
| * |
| * @see OutputConfiguration#setDynamicRangeProfile |
| */ |
| public final class DynamicRangeProfiles { |
| /** |
| * This the default 8-bit standard profile that will be used in case where camera clients do not |
| * explicitly configure a supported dynamic range profile by calling |
| * {@link OutputConfiguration#setDynamicRangeProfile}. |
| */ |
| public static final long STANDARD = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD; |
| |
| /** |
| * 10-bit pixel samples encoded using the Hybrid log-gamma transfer function |
| * |
| * <p>All 10-bit output capable devices are required to support this profile.</p> |
| */ |
| public static final long HLG10 = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_HLG10; |
| |
| /** |
| * 10-bit pixel samples encoded using the SMPTE ST 2084 transfer function. |
| * |
| * <p>This profile utilizes internal static metadata to increase the quality |
| * of the capture.</p> |
| */ |
| public static final long HDR10 = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_HDR10; |
| |
| /** |
| * 10-bit pixel samples encoded using the SMPTE ST 2084 transfer function. |
| * |
| * <p>In contrast to HDR10, this profile uses internal per-frame metadata |
| * to further enhance the quality of the capture.</p> |
| */ |
| public static final long HDR10_PLUS = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_HDR10_PLUS; |
| |
| /** |
| * <p>This is a camera mode for Dolby Vision capture optimized for a more scene |
| * accurate capture. This would typically differ from what a specific device |
| * might want to tune for a consumer optimized Dolby Vision general capture.</p> |
| */ |
| public static final long DOLBY_VISION_10B_HDR_REF = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_10B_HDR_REF; |
| |
| /** |
| * <p>This is the power optimized mode for 10-bit Dolby Vision HDR Reference Mode.</p> |
| */ |
| public static final long DOLBY_VISION_10B_HDR_REF_PO = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_10B_HDR_REF_PO; |
| |
| /** |
| * <p>This is the camera mode for the default Dolby Vision capture mode for the |
| * specific device. This would be tuned by each specific device for consumer |
| * pleasing results that resonate with their particular audience. We expect |
| * that each specific device would have a different look for their default |
| * Dolby Vision capture.</p> |
| */ |
| public static final long DOLBY_VISION_10B_HDR_OEM = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_10B_HDR_OEM; |
| |
| /** |
| * <p>This is the power optimized mode for 10-bit Dolby Vision HDR device specific capture |
| * Mode.</p> |
| */ |
| public static final long DOLBY_VISION_10B_HDR_OEM_PO = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_10B_HDR_OEM_PO; |
| |
| /** |
| * <p>This is the 8-bit version of the Dolby Vision reference capture mode optimized |
| * for scene accuracy.</p> |
| */ |
| public static final long DOLBY_VISION_8B_HDR_REF = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_8B_HDR_REF; |
| |
| /** |
| * <p>This is the power optimized mode for 8-bit Dolby Vision HDR Reference Mode.</p> |
| */ |
| public static final long DOLBY_VISION_8B_HDR_REF_PO = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_8B_HDR_REF_PO; |
| |
| /** |
| * <p>This is the 8-bit version of device specific tuned and optimized Dolby Vision |
| * capture mode.</p> |
| */ |
| public static final long DOLBY_VISION_8B_HDR_OEM = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_8B_HDR_OEM; |
| |
| /** |
| * <p>This is the power optimized mode for 8-bit Dolby Vision HDR device specific |
| * capture Mode.</p> |
| */ |
| public static final long DOLBY_VISION_8B_HDR_OEM_PO = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_DOLBY_VISION_8B_HDR_OEM_PO; |
| |
| /* |
| * @hide |
| */ |
| public static final long PUBLIC_MAX = |
| CameraMetadata.REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_MAX; |
| |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @LongDef(prefix = {"PROFILE_"}, value = |
| {STANDARD, |
| HLG10, |
| HDR10, |
| HDR10_PLUS, |
| DOLBY_VISION_10B_HDR_REF, |
| DOLBY_VISION_10B_HDR_REF_PO, |
| DOLBY_VISION_10B_HDR_OEM, |
| DOLBY_VISION_10B_HDR_OEM_PO, |
| DOLBY_VISION_8B_HDR_REF, |
| DOLBY_VISION_8B_HDR_REF_PO, |
| DOLBY_VISION_8B_HDR_OEM, |
| DOLBY_VISION_8B_HDR_OEM_PO}) |
| public @interface Profile { |
| } |
| |
| private final HashMap<Long, Set<Long>> mProfileMap = new HashMap<>(); |
| private final HashMap<Long, Boolean> mLookahedLatencyMap = new HashMap<>(); |
| |
| /** |
| * Create a new immutable DynamicRangeProfiles instance. |
| * |
| * <p>This constructor takes over the array; do not write to the array afterwards.</p> |
| * |
| * <p>Do note that the constructor is available for testing purposes only! |
| * Camera clients must always retrieve the value of |
| * {@link android.hardware.camera2.CameraCharacteristics#REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES}. |
| * for a given camera id in order to retrieve the device capabilities.</p> |
| * |
| * @param elements |
| * An array of elements describing the map. It contains two elements per entry which |
| * describe the supported dynamic range profile value in the first element and in the |
| * second element a bitmap of concurrently supported dynamic range profiles within the |
| * same capture request. Bitmap values of 0 indicate that there are no constraints. |
| * |
| * @throws IllegalArgumentException |
| * if the {@code elements} array length is invalid, not divisible by 2 or contains |
| * invalid element values |
| * @throws NullPointerException |
| * if {@code elements} is {@code null} |
| * |
| */ |
| public DynamicRangeProfiles(@NonNull final long[] elements) { |
| if ((elements.length % 3) != 0) { |
| throw new IllegalArgumentException("Dynamic range profile map length " + |
| elements.length + " is not even!"); |
| } |
| |
| for (int i = 0; i < elements.length; i += 3) { |
| checkProfileValue(elements[i]); |
| // STANDARD is not expected to be included |
| if (elements[i] == STANDARD) { |
| throw new IllegalArgumentException("Dynamic range profile map must not include a" |
| + " STANDARD profile entry!"); |
| } |
| HashSet<Long> profiles = new HashSet<>(); |
| |
| if (elements[i+1] != 0) { |
| for (long profile = STANDARD; profile < PUBLIC_MAX; profile <<= 1) { |
| if ((elements[i+1] & profile) != 0) { |
| profiles.add(profile); |
| } |
| } |
| } |
| |
| mProfileMap.put(elements[i], profiles); |
| mLookahedLatencyMap.put(elements[i], elements[i+2] != 0L); |
| } |
| |
| // Build the STANDARD constraints depending on the advertised 10-bit limitations |
| HashSet<Long> standardConstraints = new HashSet<>(); |
| standardConstraints.add(STANDARD); |
| for(Long profile : mProfileMap.keySet()) { |
| if (mProfileMap.get(profile).isEmpty() || mProfileMap.get(profile).contains(STANDARD)) { |
| standardConstraints.add(profile); |
| } |
| } |
| |
| mProfileMap.put(STANDARD, standardConstraints); |
| mLookahedLatencyMap.put(STANDARD, false); |
| } |
| |
| |
| /** |
| * @hide |
| */ |
| public static void checkProfileValue(long profile) { |
| if (profile == STANDARD || profile == HLG10 || profile == HDR10 || profile == HDR10_PLUS |
| || profile == DOLBY_VISION_10B_HDR_REF || profile == DOLBY_VISION_10B_HDR_REF_PO |
| || profile == DOLBY_VISION_10B_HDR_OEM || profile == DOLBY_VISION_10B_HDR_OEM_PO |
| || profile == DOLBY_VISION_8B_HDR_REF || profile == DOLBY_VISION_8B_HDR_REF_PO |
| || profile == DOLBY_VISION_8B_HDR_OEM |
| || profile == DOLBY_VISION_8B_HDR_OEM_PO) {//No-op |
| } else { |
| throw new IllegalArgumentException("Unknown profile " + profile); |
| } |
| } |
| |
| /** |
| * Return a set of supported dynamic range profiles. |
| * |
| * @return non-modifiable set of dynamic range profiles |
| */ |
| public @NonNull Set<Long> getSupportedProfiles() { |
| return Collections.unmodifiableSet(mProfileMap.keySet()); |
| } |
| |
| /** |
| * Return a list of supported dynamic range profiles that |
| * can be referenced in a single capture request along with a given |
| * profile. |
| * |
| * <p>For example if assume that a particular 10-bit output capable device |
| * returns ({@link #STANDARD}, {@link #HLG10}, {@link #HDR10}) as result from calling |
| * {@link #getSupportedProfiles()} and {@link #getProfileCaptureRequestConstraints} |
| * returns ({@link #STANDARD}, {@link #HLG10}) when given an argument of {@link #STANDARD}. |
| * This means that the corresponding camera device will only accept and process capture requests |
| * that reference outputs configured using {@link #HDR10} dynamic profile or alternatively |
| * some combination of {@link #STANDARD} and {@link #HLG10}. However trying to |
| * queue capture requests to outputs that reference both {@link #HDR10} and |
| * {@link #STANDARD}/{@link #HLG10} will result in {@link IllegalArgumentException}.</p> |
| * |
| * <p>The list will be empty in case there are no constraints for the given |
| * profile.</p> |
| * |
| * @return non-modifiable set of dynamic range profiles |
| * @throws IllegalArgumentException If the profile argument is not |
| * within the list returned by |
| * getSupportedProfiles() |
| * |
| * @see OutputConfiguration#setDynamicRangeProfile |
| */ |
| public @NonNull Set<Long> getProfileCaptureRequestConstraints(@Profile long profile) { |
| Set<Long> ret = mProfileMap.get(profile); |
| if (ret == null) { |
| throw new IllegalArgumentException("Unsupported profile!"); |
| } |
| |
| return Collections.unmodifiableSet(ret); |
| } |
| |
| /** |
| * Check whether a given dynamic range profile is suitable for latency sensitive use cases. |
| * |
| * <p>Due to internal lookahead logic, camera outputs configured with some dynamic range |
| * profiles may experience additional latency greater than 3 buffers. Using camera outputs |
| * with such profiles for latency sensitive use cases such as camera preview is not |
| * recommended. Profiles that have such extra streaming delay are typically utilized for |
| * scenarios such as offscreen video recording.</p> |
| * |
| * @return true if the given profile is not suitable for latency sensitive use cases, false |
| * otherwise |
| * @throws IllegalArgumentException If the profile argument is not |
| * within the list returned by |
| * getSupportedProfiles() |
| * |
| * @see OutputConfiguration#setDynamicRangeProfile |
| */ |
| public boolean isExtraLatencyPresent(@Profile long profile) { |
| Boolean ret = mLookahedLatencyMap.get(profile); |
| if (ret == null) { |
| throw new IllegalArgumentException("Unsupported profile!"); |
| } |
| |
| return ret; |
| } |
| } |
