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60 lines
2.8 KiB
60 lines
2.8 KiB
/* |
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* Copyright (C) 2017 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef EVS_VTS_FORMATCONVERT_H |
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#define EVS_VTS_FORMATCONVERT_H |
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#include <queue> |
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#include <stdint.h> |
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// Given an image buffer in NV21 format (HAL_PIXEL_FORMAT_YCRCB_420_SP), output 32bit RGBx values. |
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// The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved |
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// U/V array. It assumes an even width and height for the overall image, and a horizontal |
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// stride that is an even multiple of 16 bytes for both the Y and UV arrays. |
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void copyNV21toRGB32(unsigned width, unsigned height, |
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uint8_t* src, |
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uint32_t* dst, unsigned dstStridePixels); |
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// Given an image buffer in YV12 format (HAL_PIXEL_FORMAT_YV12), output 32bit RGBx values. |
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// The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed |
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// by another 1/2 x 1/2 V array. It assumes an even width and height for the overall image, |
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// and a horizontal stride that is an even multiple of 16 bytes for each of the Y, U, |
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// and V arrays. |
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void copyYV12toRGB32(unsigned width, unsigned height, |
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uint8_t* src, |
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uint32_t* dst, unsigned dstStridePixels); |
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// Given an image buffer in YUYV format (HAL_PIXEL_FORMAT_YCBCR_422_I), output 32bit RGBx values. |
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// The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved |
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// U/V array. It assumes an even width and height for the overall image, and a horizontal |
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// stride that is an even multiple of 16 bytes for both the Y and UV arrays. |
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void copyYUYVtoRGB32(unsigned width, unsigned height, |
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uint8_t* src, unsigned srcStrideBytes, |
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uint32_t* dst, unsigned dstStrideBytes); |
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// Given an simple rectangular image buffer with an integer number of bytes per pixel, |
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// copy the pixel values into a new rectangular buffer (potentially with a different stride). |
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// This is typically used to copy RGBx data into an RGBx output buffer. |
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void copyMatchedInterleavedFormats(unsigned width, unsigned height, |
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void* src, unsigned srcStridePixels, |
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void* dst, unsigned dstStridePixels, |
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unsigned pixelSize); |
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#endif // EVS_VTS_FORMATCONVERT_H
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