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This changes introduces jni wrapper and java front end classes for uhdr api. Co-authored-by: Ram Mohan M <[email protected]> Change-Id: Icfd82938269cfceff2527847aa14cc0cc7493b7d
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java/com/google/media/codecs/ultrahdr/UltraHDRCommon.java
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| /* | ||
| * Copyright (C) 2024 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. | ||
| */ | ||
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| package com.google.media.codecs.ultrahdr; | ||
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| /** | ||
| * Ultra HDR common utility class (cannot be instantiated) | ||
| */ | ||
| public class UltraHDRCommon { | ||
| // Fields describing the color format of raw input | ||
| /** | ||
| * Unspecified color format | ||
| */ | ||
| public static final int UHDR_IMG_FMT_UNSPECIFIED = -1; | ||
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| /** | ||
| * P010 is 10-bit-per component 4:2:0 YCbCr semiplanar format. | ||
| * <p> | ||
| * This format uses 24 allocated bits per pixel with 15 bits of | ||
| * data per pixel. Chroma planes are subsampled by 2 both | ||
| * horizontally and vertically. Each chroma and luma component | ||
| * has 16 allocated bits in little-endian configuration with 10 | ||
| * MSB of actual data. | ||
| * | ||
| * <pre> | ||
| * byte byte | ||
| * <--------- i --------> | <------ i + 1 ------> | ||
| * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ||
| * | UNUSED | Y/Cb/Cr | | ||
| * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ||
| * 0 5 6 7 0 7 | ||
| * bit | ||
| * </pre> | ||
| */ | ||
| public static final int UHDR_IMG_FMT_24bppYCbCrP010 = 0; | ||
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| /** | ||
| * Flexible 12 bits per pixel, subsampled YUV color format with 8-bit chroma and luma | ||
| * components. | ||
| * <p> | ||
| * Chroma planes are subsampled by 2 both horizontally and vertically. | ||
| */ | ||
| public static final int UHDR_IMG_FMT_12bppYCbCr420 = 1; | ||
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| /** | ||
| * 8 bits per pixel Y color format. | ||
| * <p> | ||
| * Each byte contains a single pixel. | ||
| */ | ||
| public static final int UHDR_IMG_FMT_8bppYCbCr400 = 2; | ||
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| /** | ||
| * 32 bits per pixel RGBA color format, with 8-bit red, green, blue, and alpha components. | ||
| * <p> | ||
| * Using 32-bit little-endian representation, colors stored as Red 7:0, Green 15:8, | ||
| * Blue 23:16, and Alpha 31:24. | ||
| * <pre> | ||
| * byte byte byte byte | ||
| * <------ i -----> | <---- i+1 ----> | <---- i+2 ----> | <---- i+3 -----> | ||
| * +-----------------+-----------------+-----------------+-----------------+ | ||
| * | RED | GREEN | BLUE | ALPHA | | ||
| * +-----------------+-----------------+-----------------+-----------------+ | ||
| * </pre> | ||
| */ | ||
| public static final int UHDR_IMG_FMT_32bppRGBA8888 = 3; | ||
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| /** | ||
| * 64 bits per pixel RGBA color format, with 16-bit signed | ||
| * floating point red, green, blue, and alpha components. | ||
| * <p> | ||
| * | ||
| * <pre> | ||
| * byte byte byte byte | ||
| * <-- i -->|<- i+1 ->|<- i+2 ->|<- i+3 ->|<- i+4 ->|<- i+5 ->|<- i+6 ->|<- i+7 -> | ||
| * +---------+---------+-------------------+---------+---------+---------+---------+ | ||
| * | RED | GREEN | BLUE | ALPHA | | ||
| * +---------+---------+-------------------+---------+---------+---------+---------+ | ||
| * 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 | ||
| * </pre> | ||
| */ | ||
| public static final int UHDR_IMG_FMT_64bppRGBAHalfFloat = 4; | ||
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| /** | ||
| * 32 bits per pixel RGBA color format, with 10-bit red, green, | ||
| * blue, and 2-bit alpha components. | ||
| * <p> | ||
| * Using 32-bit little-endian representation, colors stored as | ||
| * Red 9:0, Green 19:10, Blue 29:20, and Alpha 31:30. | ||
| * <pre> | ||
| * byte byte byte byte | ||
| * <------ i -----> | <---- i+1 ----> | <---- i+2 ----> | <---- i+3 -----> | ||
| * +-----------------+---+-------------+-------+---------+-----------+-----+ | ||
| * | RED | GREEN | BLUE |ALPHA| | ||
| * +-----------------+---+-------------+-------+---------+-----------+-----+ | ||
| * 0 7 0 1 2 7 0 3 4 7 0 5 6 7 | ||
| * </pre> | ||
| */ | ||
| public static final int UHDR_IMG_FMT_32bppRGBA1010102 = 5; | ||
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| // Fields describing the color primaries of the content | ||
| /** | ||
| * Unspecified color gamut | ||
| */ | ||
| public static final int UHDR_CG_UNSPECIFIED = -1; | ||
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| /** | ||
| * BT.709 color chromaticity coordinates with KR = 0.2126, KB = 0.0722 | ||
| */ | ||
| public static final int UHDR_CG_BT709 = 0; | ||
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| /** | ||
| * Display P3 color chromaticity coordinates with KR = 0.22897, KB = 0.07929 | ||
| */ | ||
| public static final int UHDR_CG_DISPlAY_P3 = 1; | ||
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| /** | ||
| * BT.2020 color chromaticity coordinates with KR = 0.2627, KB = 0.0593 | ||
| */ | ||
| public static final int UHDR_CG_BT2100 = 2; | ||
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| // Fields describing the opto-electronic transfer function of the content | ||
| /** | ||
| * Unspecified color transfer | ||
| */ | ||
| public static final int UHDR_CT_UNSPECIFIED = -1; | ||
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| /** | ||
| * Linear transfer characteristic curve | ||
| */ | ||
| public static final int UHDR_CT_LINEAR = 0; | ||
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| /** | ||
| * hybrid-log-gamma transfer function | ||
| */ | ||
| public static final int UHDR_CT_HLG = 1; | ||
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| /** | ||
| * PQ transfer function | ||
| */ | ||
| public static final int UHDR_CT_PQ = 2; | ||
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| /** | ||
| * sRGB transfer function | ||
| */ | ||
| public static final int UHDR_CT_SRGB = 3; | ||
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| // Fields describing the data range of the content | ||
| /** | ||
| * Unspecified color range | ||
| */ | ||
| public static final int UHDR_CR_UNSPECIFIED = -1; | ||
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| /** | ||
| * Limited range. Y component values range from [16 - 235] * pow(2, (bpc - 8)) and Cb, Cr | ||
| * component values range from [16 - 240] * pow(2, (bpc - 8)). Here, bpc is bits per channel | ||
| */ | ||
| public static final int UHDR_CR_LIMITED_RANGE = 0; | ||
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| /** | ||
| * Full range. Y component values range from [0 - 255] * pow(2, (bpc - 8)) and Cb, Cr | ||
| * component values range from [0 - 255] * pow(2, (bpc - 8)). Here, bpc is bits per channel | ||
| */ | ||
| public static final int UHDR_CR_FULL_RANGE = 1; | ||
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| // Fields describing the technology associated with the content | ||
| /** | ||
| * Hdr rendition of an image | ||
| */ | ||
| public static final int UHDR_HDR_IMG = 0; | ||
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| /** | ||
| * Sdr rendition of an image | ||
| */ | ||
| public static final int UHDR_SDR_IMG = 1; | ||
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| /** | ||
| * Base rendition of an ultrahdr image | ||
| */ | ||
| public static final int UHDR_BASE_IMG = 2; | ||
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| /** | ||
| * GainMap rendition of an ultrahdr image | ||
| */ | ||
| public static final int UHDR_GAIN_MAP_IMG = 3; | ||
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| private UltraHDRCommon() { | ||
| } | ||
| } |
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