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/*
* Copyright (C) 2013 Arne Morten Kvarving
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "ImageDecoder.h"
#include "guilib/TextureFormats.h"
#include "pictures/PictureInfoTag.h"
#include "utils/StringUtils.h"
using namespace ADDON;
using namespace KODI::ADDONS;
namespace
{
constexpr std::array<std::tuple<unsigned int, ADDON_IMG_FMT, size_t>, 4> KodiToAddonFormat = {
{{XB_FMT_A8R8G8B8, ADDON_IMG_FMT_A8R8G8B8, sizeof(uint8_t) * 4},
{XB_FMT_A8, ADDON_IMG_FMT_A8, sizeof(uint8_t) * 1},
{XB_FMT_RGBA8, ADDON_IMG_FMT_RGBA8, sizeof(uint8_t) * 4},
{XB_FMT_RGB8, ADDON_IMG_FMT_RGB8, sizeof(uint8_t) * 3}}};
} /* namespace */
CImageDecoder::CImageDecoder(const AddonInfoPtr& addonInfo, const std::string& mimetype)
: IAddonInstanceHandler(ADDON_INSTANCE_IMAGEDECODER, addonInfo), m_mimetype(mimetype)
{
// Create all interface parts independent to make API changes easier if
// something is added
m_ifc.imagedecoder = new AddonInstance_ImageDecoder;
m_ifc.imagedecoder->toAddon = new KodiToAddonFuncTable_ImageDecoder();
m_ifc.imagedecoder->toKodi = new AddonToKodiFuncTable_ImageDecoder();
if (CreateInstance() != ADDON_STATUS_OK)
return;
m_created = true;
}
CImageDecoder::~CImageDecoder()
{
DestroyInstance();
delete m_ifc.imagedecoder->toKodi;
delete m_ifc.imagedecoder->toAddon;
delete m_ifc.imagedecoder;
}
bool CImageDecoder::SupportsFile(const std::string& filename)
{
// Create in case not available, possible as this done by IAddonSupportCheck
if (!m_created || !m_ifc.imagedecoder->toAddon->supports_file)
return false;
return m_ifc.imagedecoder->toAddon->supports_file(m_ifc.hdl, filename.c_str());
}
bool CImageDecoder::LoadInfoTag(const std::string& fileName, CPictureInfoTag* tag)
{
if (!m_created || !m_ifc.imagedecoder->toAddon->read_tag || !tag)
return false;
KODI_ADDON_IMAGEDECODER_INFO_TAG ifcTag = {};
bool ret = m_ifc.imagedecoder->toAddon->read_tag(m_ifc.hdl, fileName.c_str(), &ifcTag);
if (ret)
{
/*!
* List of values currently not used on addon interface.
*
* struct ExifInfo:
* - int Process{};
* - float CCDWidth{};
* - int Whitebalance{};
* - int CommentsCharset{};
* - int XPCommentsCharset{};
* - std::string Comments;
* - std::string FileComment;
* - std::string XPComment;
* - unsigned ThumbnailOffset{};
* - unsigned ThumbnailSize{};
* - unsigned LargestExifOffset{};
* - char ThumbnailAtEnd{};
* - int ThumbnailSizeOffset{};
* - std::vector<int> DateTimeOffsets;
*
* struct IPTCInfo:
* - std::string RecordVersion;
* - std::string SupplementalCategories;
* - std::string Keywords;
* - std::string Caption;
* - std::string Headline;
* - std::string SpecialInstructions;
* - std::string Category;
* - std::string Byline;
* - std::string BylineTitle;
* - std::string Credit;
* - std::string Source;
* - std::string ObjectName;
* - std::string City;
* - std::string State;
* - std::string Country;
* - std::string TransmissionReference;
* - std::string Date;
* - std::string Urgency;
* - std::string ReferenceService;
* - std::string CountryCode;
* - std::string SubLocation;
* - std::string ImageType;
*
* @todo Rework @ref CPictureInfoTag to not limit on fixed structures ExifInfo & IPTCInfo.
*/
tag->m_exifInfo.Width = ifcTag.width;
tag->m_exifInfo.Height = ifcTag.height;
tag->m_exifInfo.Distance = ifcTag.distance;
tag->m_exifInfo.Orientation = ifcTag.orientation;
tag->m_exifInfo.IsColor = ifcTag.color == ADDON_IMG_COLOR_COLORED ? 1 : 0;
tag->m_exifInfo.ApertureFNumber = ifcTag.aperture_f_number;
tag->m_exifInfo.FlashUsed = ifcTag.flash_used ? 1 : 0;
tag->m_exifInfo.LightSource = ifcTag.light_source;
tag->m_exifInfo.FocalLength = ifcTag.focal_length;
tag->m_exifInfo.FocalLength35mmEquiv = ifcTag.focal_length_in_35mm_format;
tag->m_exifInfo.MeteringMode = ifcTag.metering_mode;
tag->m_exifInfo.DigitalZoomRatio = ifcTag.digital_zoom_ratio;
tag->m_exifInfo.ExposureTime = ifcTag.exposure_time;
tag->m_exifInfo.ExposureBias = ifcTag.exposure_bias;
tag->m_exifInfo.ExposureProgram = ifcTag.exposure_program;
tag->m_exifInfo.ExposureMode = ifcTag.exposure_mode;
tag->m_exifInfo.ISOequivalent = static_cast<int>(ifcTag.iso_speed);
tag->m_iptcInfo.TimeCreated = CDateTime(ifcTag.time_created).GetAsLocalizedDateTime();
tag->m_exifInfo.GpsInfoPresent = ifcTag.gps_info_present;
if (tag->m_exifInfo.GpsInfoPresent)
{
tag->m_exifInfo.GpsLat =
StringUtils::Format("{}{:.0f}°{:.0f}'{:.2f}\"", ifcTag.latitude_ref, ifcTag.latitude[0],
ifcTag.latitude[1], ifcTag.latitude[2]);
tag->m_exifInfo.GpsLong =
StringUtils::Format("{}{:.0f}°{:.0f}'{:.2f}\"", ifcTag.longitude_ref, ifcTag.longitude[0],
ifcTag.longitude[1], ifcTag.longitude[2]);
tag->m_exifInfo.GpsAlt =
StringUtils::Format("{}{:.2f} m", ifcTag.altitude_ref ? '-' : '+', ifcTag.altitude);
}
if (ifcTag.camera_manufacturer)
{
tag->m_exifInfo.CameraMake = ifcTag.camera_manufacturer;
free(ifcTag.camera_manufacturer);
}
if (ifcTag.camera_model)
{
tag->m_exifInfo.CameraModel = ifcTag.camera_model;
free(ifcTag.camera_model);
}
if (ifcTag.author)
{
tag->m_iptcInfo.Author = ifcTag.author;
free(ifcTag.author);
}
if (ifcTag.description)
{
tag->m_exifInfo.Description = ifcTag.description;
free(ifcTag.description);
}
if (ifcTag.copyright)
{
tag->m_iptcInfo.CopyrightNotice = ifcTag.copyright;
free(ifcTag.copyright);
}
}
return ret;
}
bool CImageDecoder::LoadImageFromMemory(unsigned char* buffer,
unsigned int bufSize,
unsigned int width,
unsigned int height)
{
if (!m_created || !m_ifc.imagedecoder->toAddon->load_image_from_memory)
return false;
m_width = width;
m_height = height;
return m_ifc.imagedecoder->toAddon->load_image_from_memory(m_ifc.hdl, m_mimetype.c_str(), buffer,
bufSize, &m_width, &m_height);
}
bool CImageDecoder::Decode(unsigned char* const pixels,
unsigned int width,
unsigned int height,
unsigned int pitch,
unsigned int format)
{
if (!m_created || !m_ifc.imagedecoder->toAddon->decode)
return false;
const auto it = std::find_if(KodiToAddonFormat.begin(), KodiToAddonFormat.end(),
[format](auto& p) { return std::get<0>(p) == format; });
if (it == KodiToAddonFormat.end())
return false;
const ADDON_IMG_FMT addonFmt = std::get<1>(*it);
const size_t size = width * height * std::get<2>(*it);
const bool result =
m_ifc.imagedecoder->toAddon->decode(m_ifc.hdl, pixels, size, width, height, pitch, addonFmt);
m_width = width;
m_height = height;
return result;
}
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