| /* |
| * Copyright 2018, 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 CODEC2_BUFFER_UTILS_H_ |
| #define CODEC2_BUFFER_UTILS_H_ |
| |
| #include <C2Buffer.h> |
| |
| #include <media/hardware/VideoAPI.h> |
| #include <utils/Errors.h> |
| |
| namespace android { |
| |
| /** |
| * Returns a planar YUV 420 8-bit media image descriptor. |
| * |
| * \param width width of image in pixels |
| * \param height height of image in pixels |
| * \param stride stride of image in pixels |
| * \param vstride vertical stride of image in pixels |
| */ |
| MediaImage2 CreateYUV420PlanarMediaImage2( |
| uint32_t width, uint32_t height, uint32_t stride, uint32_t vstride); |
| |
| /** |
| * Returns a semiplanar YUV 420 8-bit media image descriptor. |
| * |
| * \param width width of image in pixels |
| * \param height height of image in pixels |
| * \param stride stride of image in pixels |
| * \param vstride vertical stride of image in pixels |
| */ |
| MediaImage2 CreateYUV420SemiPlanarMediaImage2( |
| uint32_t width, uint32_t height, uint32_t stride, uint32_t vstride); |
| |
| /** |
| * Copies a graphic view into a media image. |
| * |
| * \param imgBase base of MediaImage |
| * \param img MediaImage data |
| * \param view graphic view |
| * |
| * \return OK on success |
| */ |
| status_t ImageCopy(uint8_t *imgBase, const MediaImage2 *img, const C2GraphicView &view); |
| |
| /** |
| * Copies a media image into a graphic view. |
| * |
| * \param view graphic view |
| * \param imgBase base of MediaImage |
| * \param img MediaImage data |
| * |
| * \return OK on success |
| */ |
| status_t ImageCopy(C2GraphicView &view, const uint8_t *imgBase, const MediaImage2 *img); |
| |
| /** |
| * Returns true iff a view has a YUV 420 888 layout. |
| */ |
| bool IsYUV420(const C2GraphicView &view); |
| |
| } // namespace android |
| |
| #endif // CODEC2_BUFFER_UTILS_H_ |