diff options
Diffstat (limited to 'xbmc/addons/kodi-addon-dev-kit/include/kodi/addon-instance/ImageDecoder.h')
| -rw-r--r-- | xbmc/addons/kodi-addon-dev-kit/include/kodi/addon-instance/ImageDecoder.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/xbmc/addons/kodi-addon-dev-kit/include/kodi/addon-instance/ImageDecoder.h b/xbmc/addons/kodi-addon-dev-kit/include/kodi/addon-instance/ImageDecoder.h new file mode 100644 index 0000000..a854711 --- /dev/null +++ b/xbmc/addons/kodi-addon-dev-kit/include/kodi/addon-instance/ImageDecoder.h | |||
| @@ -0,0 +1,163 @@ | |||
| 1 | #pragma once | ||
| 2 | /* | ||
| 3 | * Copyright (C) 2005-2017 Team Kodi | ||
| 4 | * http://kodi.tv | ||
| 5 | * | ||
| 6 | * This Program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2, or (at your option) | ||
| 9 | * any later version. | ||
| 10 | * | ||
| 11 | * This Program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with Kodi; see the file COPYING. If not, see | ||
| 18 | * <http://www.gnu.org/licenses/>. | ||
| 19 | * | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "../AddonBase.h" | ||
| 23 | |||
| 24 | namespace kodi { namespace addon { class CInstanceImageDecoder; }} | ||
| 25 | |||
| 26 | extern "C" | ||
| 27 | { | ||
| 28 | |||
| 29 | typedef struct AddonProps_ImageDecoder | ||
| 30 | { | ||
| 31 | const char* mimetype; | ||
| 32 | } AddonProps_ImageDecoder; | ||
| 33 | |||
| 34 | typedef struct AddonToKodiFuncTable_ImageDecoder | ||
| 35 | { | ||
| 36 | KODI_HANDLE kodi_instance; | ||
| 37 | } AddonToKodiFuncTable_ImageDecoder; | ||
| 38 | |||
| 39 | struct AddonInstance_ImageDecoder; | ||
| 40 | typedef struct KodiToAddonFuncTable_ImageDecoder | ||
| 41 | { | ||
| 42 | kodi::addon::CInstanceImageDecoder* addonInstance; | ||
| 43 | bool (__cdecl* load_image_from_memory) (const AddonInstance_ImageDecoder* instance, | ||
| 44 | unsigned char* buffer, unsigned int buf_size, | ||
| 45 | unsigned int* width, unsigned int* height); | ||
| 46 | |||
| 47 | bool (__cdecl* decode) (const AddonInstance_ImageDecoder* instance, | ||
| 48 | unsigned char* pixels, | ||
| 49 | unsigned int width, unsigned int height, | ||
| 50 | unsigned int pitch, unsigned int format); | ||
| 51 | } KodiToAddonFuncTable_ImageDecoder; | ||
| 52 | |||
| 53 | typedef struct AddonInstance_ImageDecoder | ||
| 54 | { | ||
| 55 | AddonProps_ImageDecoder props; | ||
| 56 | AddonToKodiFuncTable_ImageDecoder toKodi; | ||
| 57 | KodiToAddonFuncTable_ImageDecoder toAddon; | ||
| 58 | } AddonInstance_ImageDecoder; | ||
| 59 | |||
| 60 | } /* extern "C" */ | ||
| 61 | |||
| 62 | typedef enum ImageFormat : unsigned int | ||
| 63 | { | ||
| 64 | ADDON_IMG_FMT_A8R8G8B8 = 1, | ||
| 65 | ADDON_IMG_FMT_A8 = 2, | ||
| 66 | ADDON_IMG_FMT_RGBA8 = 3, | ||
| 67 | ADDON_IMG_FMT_RGB8 = 4 | ||
| 68 | } ImageFormat; | ||
| 69 | |||
| 70 | namespace kodi | ||
| 71 | { | ||
| 72 | namespace addon | ||
| 73 | { | ||
| 74 | |||
| 75 | class CInstanceImageDecoder : public IAddonInstance | ||
| 76 | { | ||
| 77 | public: | ||
| 78 | //========================================================================== | ||
| 79 | /// @brief Class constructor | ||
| 80 | /// | ||
| 81 | /// @param[in] instance The from Kodi given instance given be | ||
| 82 | /// add-on CreateInstance call with instance | ||
| 83 | /// id ADDON_INSTANCE_IMAGEDECODER. | ||
| 84 | CInstanceImageDecoder(KODI_HANDLE instance) | ||
| 85 | : IAddonInstance(ADDON_INSTANCE_IMAGEDECODER) | ||
| 86 | { | ||
| 87 | if (CAddonBase::m_interface->globalSingleInstance != nullptr) | ||
| 88 | throw std::logic_error("kodi::addon::CInstanceImageDecoder: Creation of multiple together with single instance way is not allowed!"); | ||
| 89 | |||
| 90 | SetAddonStruct(instance); | ||
| 91 | } | ||
| 92 | //-------------------------------------------------------------------------- | ||
| 93 | |||
| 94 | ~CInstanceImageDecoder() override = default; | ||
| 95 | |||
| 96 | //========================================================================== | ||
| 97 | /// @brief Initialize an encoder | ||
| 98 | /// | ||
| 99 | /// @param[in] buffer The data to read from memory | ||
| 100 | /// @param[in] bufSize The buffer size | ||
| 101 | /// @param[in,out] width The optimal width of image on entry, obtained width on return | ||
| 102 | /// @param[in,out] height The optimal height of image, actual obtained height on return | ||
| 103 | /// @return true if successful done, false on error | ||
| 104 | /// | ||
| 105 | virtual bool LoadImageFromMemory(unsigned char* buffer, unsigned int bufSize, | ||
| 106 | unsigned int& width, unsigned int& height) = 0; | ||
| 107 | //-------------------------------------------------------------------------- | ||
| 108 | |||
| 109 | //========================================================================== | ||
| 110 | /// @brief Decode previously loaded image | ||
| 111 | /// | ||
| 112 | /// @param[in] pixels Output buffer | ||
| 113 | /// @param[in] width Width of output image | ||
| 114 | /// @param[in] height Height of output image | ||
| 115 | /// @param[in] pitch Pitch of output image | ||
| 116 | /// @param[in] format Format of output image | ||
| 117 | /// @return true if successful done, false on error | ||
| 118 | /// | ||
| 119 | virtual bool Decode(unsigned char* pixels, | ||
| 120 | unsigned int width, unsigned int height, | ||
| 121 | unsigned int pitch, ImageFormat format) = 0; | ||
| 122 | //-------------------------------------------------------------------------- | ||
| 123 | |||
| 124 | //========================================================================== | ||
| 125 | /// @brief Get the wanted mime type from Kodi | ||
| 126 | /// | ||
| 127 | /// @return the mimetype wanted from Kodi | ||
| 128 | /// | ||
| 129 | inline std::string MimeType() { return m_instanceData->props.mimetype; } | ||
| 130 | //-------------------------------------------------------------------------- | ||
| 131 | |||
| 132 | private: | ||
| 133 | void SetAddonStruct(KODI_HANDLE instance) | ||
| 134 | { | ||
| 135 | if (instance == nullptr) | ||
| 136 | throw std::logic_error("kodi::addon::CInstanceImageDecoder: Creation with empty addon structure not allowed, table must be given from Kodi!"); | ||
| 137 | |||
| 138 | m_instanceData = static_cast<AddonInstance_ImageDecoder*>(instance); | ||
| 139 | m_instanceData->toAddon.addonInstance = this; | ||
| 140 | m_instanceData->toAddon.load_image_from_memory = ADDON_LoadImageFromMemory; | ||
| 141 | m_instanceData->toAddon.decode = ADDON_Decode; | ||
| 142 | } | ||
| 143 | |||
| 144 | inline static bool ADDON_LoadImageFromMemory(const AddonInstance_ImageDecoder* instance, | ||
| 145 | unsigned char* buffer, unsigned int bufSize, | ||
| 146 | unsigned int* width, unsigned int* height) | ||
| 147 | { | ||
| 148 | return instance->toAddon.addonInstance->LoadImageFromMemory(buffer, bufSize, *width, *height); | ||
| 149 | } | ||
| 150 | |||
| 151 | inline static bool ADDON_Decode(const AddonInstance_ImageDecoder* instance, | ||
| 152 | unsigned char* pixels, | ||
| 153 | unsigned int width, unsigned int height, | ||
| 154 | unsigned int pitch, unsigned int format) | ||
| 155 | { | ||
| 156 | return instance->toAddon.addonInstance->Decode(pixels, width, height, pitch, static_cast<ImageFormat>(format)); | ||
| 157 | } | ||
| 158 | |||
| 159 | AddonInstance_ImageDecoder* m_instanceData; | ||
| 160 | }; | ||
| 161 | |||
| 162 | } /* namespace addon */ | ||
| 163 | } /* namespace kodi */ | ||
