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Summary: Add 3-plane formats R_G_B24 and B_G_R24 and ability to convert to single-plane versions. Reviewed By: janherling Differential Revision: D65487971 fbshipit-source-id: edbc17adb9cfc30ed9dff24656c2abee59247336
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| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| #ifndef META_OCEAN_CV_FRAME_CONVERTER_B_G_R_24_H | ||
| #define META_OCEAN_CV_FRAME_CONVERTER_B_G_R_24_H | ||
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| #include "ocean/cv/CV.h" | ||
| #include "ocean/cv/FrameChannels.h" | ||
| #include "ocean/cv/FrameConverter.h" | ||
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| #include "ocean/base/Worker.h" | ||
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| namespace Ocean | ||
| { | ||
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| namespace CV | ||
| { | ||
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| /** | ||
| * This class provides functions to convert frames with B_G_R24 pixel format. | ||
| * The B_G_R24 format holds the three planes/blocks of color channels.<br> | ||
| * The first block covers the B channel and holds 8 bit per pixel.<br> | ||
| * The second block covers the G channel and holds 8 bit per pixel.<br> | ||
| * The third block covers the R channel and also holds 8 bit per pixel. | ||
| * The layout of a B_G_R24 image looks like this: | ||
| * <pre> | ||
| * b-plane: g-plane: r-plane: | ||
| * --------- --------- --------- | ||
| * | B B B B | | G G G G | | R R R R | | ||
| * | B B B B | | G G G G | | R R R R | | ||
| * | B B B B | | G G G G | | R R R R | | ||
| * | B B B B | | G G G G | | R R R R | | ||
| * --------- --------- --------- | ||
| * </pre> | ||
| * @ingroup cv | ||
| */ | ||
| class FrameConverterB_G_R24 : public FrameConverter | ||
| { | ||
| public: | ||
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| /** | ||
| * Converts a B_G_R24 frame to a 24 bit BGR frame into a second image buffer. | ||
| * @param bSource The b source frame buffer, must be valid | ||
| * @param gSource The g source frame buffer, must be valid | ||
| * @param rSource The r source frame buffer, must be valid | ||
| * @param target The target frame buffer, must be valid | ||
| * @param width The width of the frame in pixel, with range [1, infinity) | ||
| * @param height The height of the frame in pixel, with range [1, infinity) | ||
| * @param flag Determining the type of conversion | ||
| * @param bSourcePaddingElements The number of padding elements at the end of each b-source row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param gSourcePaddingElements The number of padding elements at the end of each g-source row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param rSourcePaddingElements The number of padding elements at the end of each r-source row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param targetPaddingElements The number of padding elements at the end of each target row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param worker Optional worker object to distribute the computational to several CPU cores | ||
| */ | ||
| static inline void convertB_G_R24ToBGR24(const uint8_t* bSource, const uint8_t* gSource, const uint8_t* rSource, uint8_t* target, const unsigned int width, const unsigned int height, const ConversionFlag flag, const unsigned int bSourcePaddingElements, const unsigned int gSourcePaddingElements, const unsigned int rSourcePaddingElements, const unsigned int targetPaddingElements, Worker* worker = nullptr); | ||
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| /** | ||
| * Converts a B_G_R24 frame to a 24 bit RGB frame into a second image buffer. | ||
| * @param bSource The b source frame buffer, must be valid | ||
| * @param gSource The g source frame buffer, must be valid | ||
| * @param rSource The r source frame buffer, must be valid | ||
| * @param target The target frame buffer, must be valid | ||
| * @param width The width of the frame in pixel, with range [1, infinity) | ||
| * @param height The height of the frame in pixel, with range [1, infinity) | ||
| * @param flag Determining the type of conversion | ||
| * @param bSourcePaddingElements The number of padding elements at the end of each b-source row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param gSourcePaddingElements The number of padding elements at the end of each g-source row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param rSourcePaddingElements The number of padding elements at the end of each r-source row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param targetPaddingElements The number of padding elements at the end of each target row, in (uint8_t) elements, with range [0, infinity) | ||
| * @param worker Optional worker object to distribute the computational to several CPU cores | ||
| */ | ||
| static inline void convertB_G_R24ToRGB24(const uint8_t* bSource, const uint8_t* gSource, const uint8_t* rSource, uint8_t* target, const unsigned int width, const unsigned int height, const ConversionFlag flag, const unsigned int bSourcePaddingElements, const unsigned int gSourcePaddingElements, const unsigned int rSourcePaddingElements, const unsigned int targetPaddingElements, Worker* worker = nullptr); | ||
| }; | ||
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| inline void FrameConverterB_G_R24::convertB_G_R24ToBGR24(const uint8_t* bSource, const uint8_t* gSource, const uint8_t* rSource, uint8_t* target, const unsigned int width, const unsigned int height, const ConversionFlag flag, const unsigned int bSourcePaddingElements, const unsigned int gSourcePaddingElements, const unsigned int rSourcePaddingElements, const unsigned int targetPaddingElements, Worker* worker) | ||
| { | ||
| ocean_assert(bSource != nullptr && gSource != nullptr && rSource != nullptr && target != nullptr); | ||
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| const int options[4] = | ||
| { | ||
| // padding parameters | ||
| int(bSourcePaddingElements), int(gSourcePaddingElements), int(rSourcePaddingElements), int(targetPaddingElements) | ||
| }; | ||
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| const void* sources[3] = | ||
| { | ||
| bSource, | ||
| gSource, | ||
| rSource | ||
| }; | ||
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| FrameConverter::convertArbitraryPixelFormat(sources, (void**)(&target), width, height, flag, 1u, FrameConverter::mapOneRow_3Plane1Channel_To_1Plane3Channels_8BitPerChannel<0u, 1u, 2u>, options, worker); | ||
| } | ||
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| inline void FrameConverterB_G_R24::convertB_G_R24ToRGB24(const uint8_t* bSource, const uint8_t* gSource, const uint8_t* rSource, uint8_t* target, const unsigned int width, const unsigned int height, const ConversionFlag flag, const unsigned int bSourcePaddingElements, const unsigned int gSourcePaddingElements, const unsigned int rSourcePaddingElements, const unsigned int targetPaddingElements, Worker* worker) | ||
| { | ||
| ocean_assert(bSource != nullptr && gSource != nullptr && rSource != nullptr && target != nullptr); | ||
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| const int options[4] = | ||
| { | ||
| // padding parameters | ||
| int(bSourcePaddingElements), int(gSourcePaddingElements), int(rSourcePaddingElements), int(targetPaddingElements) | ||
| }; | ||
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| const void* sources[3] = | ||
| { | ||
| bSource, | ||
| gSource, | ||
| rSource | ||
| }; | ||
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| FrameConverter::convertArbitraryPixelFormat(sources, (void**)(&target), width, height, flag, 1u, FrameConverter::mapOneRow_3Plane1Channel_To_1Plane3Channels_8BitPerChannel<2u, 1u, 0u>, options, worker); | ||
| } | ||
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| } | ||
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| } | ||
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| #endif // META_OCEAN_CV_FRAME_CONVERTER_B_G_R_24_H |
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