| /* |
| * Copyright (C) 2023 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. |
| */ |
| |
| #include "Util.h" |
| |
| #include <unistd.h> |
| |
| #include "jpeglib.h" |
| |
| namespace android { |
| namespace companion { |
| namespace virtualcamera { |
| |
| // Lower bound for maximal supported texture size is at least 2048x2048 |
| // but on most platforms will be more. |
| // TODO(b/301023410) - Query actual max texture size. |
| constexpr int kMaxTextureSize = 2048; |
| constexpr int kLibJpegDctSize = DCTSIZE; |
| |
| using ::aidl::android::companion::virtualcamera::Format; |
| using ::aidl::android::hardware::common::NativeHandle; |
| |
| sp<Fence> importFence(const NativeHandle& aidlHandle) { |
| if (aidlHandle.fds.size() != 1) { |
| return sp<Fence>::make(); |
| } |
| |
| return sp<Fence>::make(::dup(aidlHandle.fds[0].get())); |
| } |
| |
| // Returns true if specified format is supported for virtual camera input. |
| bool isFormatSupportedForInput(const int width, const int height, |
| const Format format) { |
| if (format != Format::YUV_420_888) { |
| // For now only YUV_420_888 is supported for input. |
| return false; |
| } |
| |
| if (width <= 0 || height <= 0 || width > kMaxTextureSize || |
| height > kMaxTextureSize) { |
| return false; |
| } |
| |
| if (width % kLibJpegDctSize != 0 || height % kLibJpegDctSize != 0) { |
| // Input dimension needs to be multiple of libjpeg DCT size. |
| // TODO(b/301023410) This restriction can be removed once we add support for |
| // unaligned jpeg compression. |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace virtualcamera |
| } // namespace companion |
| } // namespace android |