libavcodec/jpegxl.h

   1 /*
   2  * JPEG XL Common Header Definitions
   3  * Copyright (c) 2023 Leo Izen <leo.izen@gmail.com>
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef AVCODEC_JPEGXL_H
  23 #define AVCODEC_JPEGXL_H
  24
  25 #define FF_JPEGXL_CODESTREAM_SIGNATURE_LE 0x0aff
  26 #define FF_JPEGXL_CONTAINER_SIGNATURE_LE 0x204c584a0c000000
  27 #define FF_JPEGXL_CODESTREAM_SIGNATURE_BE 0xff0a
  28 #define FF_JPEGXL_CONTAINER_SIGNATURE_BE 0x0000000c4a584c20
  29
  30 typedef enum FFJXLFrameEncoding {
  31     JPEGXL_ENC_VARDCT,
  32     JPEGXL_ENC_MODULAR
  33 } FFJXLFrameEncoding;
  34
  35 typedef enum FFJXLFrameType {
  36     JPEGXL_FRAME_REGULAR,
  37     JPEGXL_FRAME_LF,
  38     JPEGXL_FRAME_REFERENCE_ONLY,
  39     JPEGXL_FRAME_SKIP_PROGRESSIVE
  40 } FFJXLFrameType;
  41
  42 typedef enum FFJXLBlendMode {
  43     JPEGXL_BM_REPLACE,
  44     JPEGXL_BM_ADD,
  45     JPEGXL_BM_BLEND,
  46     JPEGXL_BM_MULADD,
  47     JPEGXL_BM_MUL
  48 } FFJXLBlendMode;
  49
  50 typedef enum FFJXLExtraChannelType {
  51     JPEGXL_CT_ALPHA = 0,
  52     JPEGXL_CT_DEPTH,
  53     JPEGXL_CT_SPOT_COLOR,
  54     JPEGXL_CT_SELECTION_MASK,
  55     JPEGXL_CT_BLACK,
  56     JPEGXL_CT_CFA,
  57     JPEGXL_CT_THERMAL,
  58     JPEGXL_CT_NON_OPTIONAL = 15,
  59     JPEGXL_CT_OPTIONAL
  60 } FFJXLExtraChannelType;
  61
  62 typedef enum FFJXLColorSpace {
  63     JPEGXL_CS_RGB = 0,
  64     JPEGXL_CS_GRAY,
  65     JPEGXL_CS_XYB,
  66     JPEGXL_CS_UNKNOWN
  67 } FFJXLColorSpace;
  68
  69 typedef enum FFJXLWhitePoint {
  70     JPEGXL_WP_D65 = 1,
  71     JPEGXL_WP_CUSTOM,
  72     JPEGXL_WP_E = 10,
  73     JPEGXL_WP_DCI = 11
  74 } FFJXLWhitePoint;
  75
  76 typedef enum FFJXLPrimaries {
  77     JPEGXL_PR_SRGB = 1,
  78     JPEGXL_PR_CUSTOM,
  79     JPEGXL_PR_2100 = 9,
  80     JPEGXL_PR_P3 = 11,
  81 } FFJXLPrimaries;
  82
  83 typedef enum FFJXLTransferCharacteristic {
  84     JPEGXL_TR_BT709 = 1,
  85     JPEGXL_TR_UNKNOWN,
  86     JPEGXL_TR_LINEAR = 8,
  87     JPEGXL_TR_SRGB = 13,
  88     JPEGXL_TR_PQ = 16,
  89     JPEGXL_TR_DCI,
  90     JPEGXL_TR_HLG,
  91     JPEGXL_TR_GAMMA = 1 << 24,
  92 } FFJXLTransferCharacteristic;
  93
  94 #endif /* AVCODEC_JPEGXL_H */