| /* |
| * Copyright (C) 2017 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 EVS_VTS_FORMATCONVERT_H |
| #define EVS_VTS_FORMATCONVERT_H |
| |
| #include <queue> |
| #include <stdint.h> |
| |
| namespace android { |
| namespace automotive { |
| namespace evs { |
| namespace support { |
| |
| // Given an image buffer in NV21 format (HAL_PIXEL_FORMAT_YCRCB_420_SP), output 32bit RGBx values. |
| // The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved |
| // U/V array. It assumes an even width and height for the overall image, and a horizontal |
| // stride that is an even multiple of 16 bytes for both the Y and UV arrays. |
| void copyNV21toRGB32(unsigned width, unsigned height, |
| uint8_t* src, |
| uint32_t* dst, unsigned dstStridePixels); |
| |
| |
| // Given an image buffer in YV12 format (HAL_PIXEL_FORMAT_YV12), output 32bit RGBx values. |
| // The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed |
| // by another 1/2 x 1/2 V array. It assumes an even width and height for the overall image, |
| // and a horizontal stride that is an even multiple of 16 bytes for each of the Y, U, |
| // and V arrays. |
| void copyYV12toRGB32(unsigned width, unsigned height, |
| uint8_t* src, |
| uint32_t* dst, unsigned dstStridePixels); |
| |
| |
| // Given an image buffer in YUYV format (HAL_PIXEL_FORMAT_YCBCR_422_I), output 32bit RGBx values. |
| // The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved |
| // U/V array. It assumes an even width and height for the overall image, and a horizontal |
| // stride that is an even multiple of 16 bytes for both the Y and UV arrays. |
| void copyYUYVtoRGB32(unsigned width, unsigned height, |
| uint8_t* src, unsigned srcStrideBytes, |
| uint32_t* dst, unsigned dstStrideBytes); |
| |
| |
| // Given an simple rectangular image buffer with an integer number of bytes per pixel, |
| // copy the pixel values into a new rectangular buffer (potentially with a different stride). |
| // This is typically used to copy RGBx data into an RGBx output buffer. |
| void copyMatchedInterleavedFormats(unsigned width, unsigned height, |
| void* src, unsigned srcStridePixels, |
| void* dst, unsigned dstStridePixels, |
| unsigned pixelSize); |
| |
| } // namespace support |
| } // namespace evs |
| } // namespace automotive |
| } // namespace android |
| |
| #endif // EVS_VTS_FORMATCONVERT_H |