crossxtex/DirectXTex/DirectXTexWIC.cpp
2020-09-25 13:10:09 +01:00

1366 lines
47 KiB
C++

//-------------------------------------------------------------------------------------
// DirectXTexWIC.cpp
//
// DirectX Texture Library - WIC-based file reader/writer
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkId=248926
//-------------------------------------------------------------------------------------
#include "DirectXTexP.h"
//-------------------------------------------------------------------------------------
// IStream support for WIC Memory routines
//-------------------------------------------------------------------------------------
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP) && (WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP)
#include <shcore.h>
#pragma comment(lib,"shcore.lib")
#ifdef __cplusplus_winrt
static inline HRESULT CreateMemoryStream(_Outptr_ IStream** stream)
{
auto randomAccessStream = ref new ::Windows::Storage::Streams::InMemoryRandomAccessStream();
return CreateStreamOverRandomAccessStream(randomAccessStream, IID_PPV_ARGS(stream));
}
#else
#pragma warning(push)
#pragma warning(disable : 4619 5038)
#include <wrl\client.h>
#include <wrl\wrappers\corewrappers.h>
#pragma warning(pop)
#pragma warning(push)
#pragma warning(disable : 4471 5204)
#include <windows.storage.streams.h>
#pragma warning(pop)
static inline HRESULT CreateMemoryStream(_Outptr_ IStream** stream)
{
Microsoft::WRL::ComPtr<ABI::Windows::Storage::Streams::IRandomAccessStream> abiStream;
HRESULT hr = Windows::Foundation::ActivateInstance(
Microsoft::WRL::Wrappers::HStringReference(RuntimeClass_Windows_Storage_Streams_InMemoryRandomAccessStream).Get(),
abiStream.GetAddressOf());
if (SUCCEEDED(hr))
{
hr = CreateStreamOverRandomAccessStream(abiStream.Get(), IID_PPV_ARGS(stream));
}
return hr;
}
#endif // __cplusplus_winrt
#else
#pragma prefast(suppress:6387 28196, "a simple wrapper around an existing annotated function" );
static inline HRESULT CreateMemoryStream(_Outptr_ IStream** stream) noexcept
{
return CreateStreamOnHGlobal(nullptr, TRUE, stream);
}
#endif
using namespace DirectX;
using Microsoft::WRL::ComPtr;
namespace
{
//-------------------------------------------------------------------------------------
// WIC Pixel Format nearest conversion table
//-------------------------------------------------------------------------------------
struct WICConvert
{
GUID source;
GUID target;
TEX_ALPHA_MODE alphaMode;
};
const WICConvert g_WICConvert[] =
{
// Directly support the formats listed in XnaTexUtil::g_WICFormats, so no conversion required
// Note target GUID in this conversion table must be one of those directly supported formats.
{ GUID_WICPixelFormat1bppIndexed, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat2bppIndexed, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat4bppIndexed, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat8bppIndexed, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat2bppGray, GUID_WICPixelFormat8bppGray, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8_UNORM
{ GUID_WICPixelFormat4bppGray, GUID_WICPixelFormat8bppGray, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8_UNORM
{ GUID_WICPixelFormat16bppGrayFixedPoint, GUID_WICPixelFormat16bppGrayHalf, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16_FLOAT
{ GUID_WICPixelFormat32bppGrayFixedPoint, GUID_WICPixelFormat32bppGrayFloat, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R32_FLOAT
{ GUID_WICPixelFormat16bppBGR555, GUID_WICPixelFormat16bppBGRA5551, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_B5G5R5A1_UNORM
{ GUID_WICPixelFormat32bppBGR101010, GUID_WICPixelFormat32bppRGBA1010102, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R10G10B10A2_UNORM
{ GUID_WICPixelFormat24bppBGR, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat24bppRGB, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat32bppPBGRA, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat32bppPRGBA, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat48bppRGB, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat48bppBGR, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppBGRA, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppPRGBA, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppPBGRA, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat48bppRGBFixedPoint, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat48bppBGRFixedPoint, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppRGBAFixedPoint, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppBGRAFixedPoint, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppRGBFixedPoint, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppRGBHalf, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat48bppRGBHalf, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat128bppPRGBAFloat, GUID_WICPixelFormat128bppRGBAFloat, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat128bppRGBFloat, GUID_WICPixelFormat128bppRGBAFloat, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat128bppRGBAFixedPoint, GUID_WICPixelFormat128bppRGBAFloat, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat128bppRGBFixedPoint, GUID_WICPixelFormat128bppRGBAFloat, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat32bppRGBE, GUID_WICPixelFormat128bppRGBAFloat, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat32bppCMYK, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat64bppCMYK, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat40bppCMYKAlpha, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat80bppCMYKAlpha, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_UNORM
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8) || defined(_WIN7_PLATFORM_UPDATE)
{ GUID_WICPixelFormat32bppRGB, GUID_WICPixelFormat32bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat64bppRGB, GUID_WICPixelFormat64bppRGBA, TEX_ALPHA_MODE_OPAQUE }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppPRGBAHalf, GUID_WICPixelFormat64bppRGBAHalf, TEX_ALPHA_MODE_UNKNOWN }, // DXGI_FORMAT_R16G16B16A16_FLOAT
#endif
// We don't support n-channel formats
};
//-------------------------------------------------------------------------------------
// Returns the DXGI format and optionally the WIC pixel GUID to convert to
//-------------------------------------------------------------------------------------
DXGI_FORMAT DetermineFormat(
_In_ const WICPixelFormatGUID& pixelFormat,
WIC_FLAGS flags,
bool iswic2,
_Out_opt_ WICPixelFormatGUID* pConvert,
_Out_ TEX_ALPHA_MODE* alphaMode) noexcept
{
if (pConvert)
memset(pConvert, 0, sizeof(WICPixelFormatGUID));
*alphaMode = TEX_ALPHA_MODE_UNKNOWN;
DXGI_FORMAT format = _WICToDXGI(pixelFormat);
if (format == DXGI_FORMAT_UNKNOWN)
{
if (memcmp(&GUID_WICPixelFormat96bppRGBFixedPoint, &pixelFormat, sizeof(WICPixelFormatGUID)) == 0)
{
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8) || defined(_WIN7_PLATFORM_UPDATE)
if (iswic2)
{
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &GUID_WICPixelFormat96bppRGBFloat, sizeof(GUID));
format = DXGI_FORMAT_R32G32B32_FLOAT;
}
else
#else
UNREFERENCED_PARAMETER(iswic2);
#endif
{
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &GUID_WICPixelFormat128bppRGBAFloat, sizeof(GUID));
format = DXGI_FORMAT_R32G32B32A32_FLOAT;
*alphaMode = TEX_ALPHA_MODE_OPAQUE;
}
}
else
{
for (size_t i = 0; i < _countof(g_WICConvert); ++i)
{
if (memcmp(&g_WICConvert[i].source, &pixelFormat, sizeof(WICPixelFormatGUID)) == 0)
{
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &g_WICConvert[i].target, sizeof(GUID));
format = _WICToDXGI(g_WICConvert[i].target);
assert(format != DXGI_FORMAT_UNKNOWN);
*alphaMode = g_WICConvert[i].alphaMode;
break;
}
}
}
}
// Handle special cases based on flags
switch (format)
{
case DXGI_FORMAT_B8G8R8A8_UNORM: // BGRA
case DXGI_FORMAT_B8G8R8X8_UNORM: // BGRX
if (flags & WIC_FLAGS_FORCE_RGB)
{
format = DXGI_FORMAT_R8G8B8A8_UNORM;
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &GUID_WICPixelFormat32bppRGBA, sizeof(GUID));
}
break;
case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
if (flags & WIC_FLAGS_NO_X2_BIAS)
{
format = DXGI_FORMAT_R10G10B10A2_UNORM;
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &GUID_WICPixelFormat32bppRGBA1010102, sizeof(GUID));
}
break;
case DXGI_FORMAT_B5G5R5A1_UNORM:
case DXGI_FORMAT_B5G6R5_UNORM:
if (flags & WIC_FLAGS_NO_16BPP)
{
format = DXGI_FORMAT_R8G8B8A8_UNORM;
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &GUID_WICPixelFormat32bppRGBA, sizeof(GUID));
}
break;
case DXGI_FORMAT_R1_UNORM:
if (!(flags & WIC_FLAGS_ALLOW_MONO))
{
// By default we want to promote a black & white to gresycale since R1 is not a generally supported D3D format
format = DXGI_FORMAT_R8_UNORM;
if (pConvert)
memcpy_s(pConvert, sizeof(WICPixelFormatGUID), &GUID_WICPixelFormat8bppGray, sizeof(GUID));
}
break;
default:
break;
}
return format;
}
//-------------------------------------------------------------------------------------
// Determines metadata for image
//-------------------------------------------------------------------------------------
HRESULT DecodeMetadata(
WIC_FLAGS flags,
bool iswic2,
_In_ IWICBitmapDecoder *decoder,
_In_ IWICBitmapFrameDecode *frame,
_Out_ TexMetadata& metadata,
_Out_opt_ WICPixelFormatGUID* pConvert,
_In_opt_ std::function<void(IWICMetadataQueryReader*)> getMQR)
{
if (!decoder || !frame)
return E_POINTER;
memset(&metadata, 0, sizeof(TexMetadata));
metadata.depth = 1;
metadata.mipLevels = 1;
metadata.dimension = TEX_DIMENSION_TEXTURE2D;
UINT w, h;
HRESULT hr = frame->GetSize(&w, &h);
if (FAILED(hr))
return hr;
metadata.width = w;
metadata.height = h;
if (flags & WIC_FLAGS_ALL_FRAMES)
{
UINT fcount;
hr = decoder->GetFrameCount(&fcount);
if (FAILED(hr))
return hr;
metadata.arraySize = fcount;
}
else
metadata.arraySize = 1;
WICPixelFormatGUID pixelFormat;
hr = frame->GetPixelFormat(&pixelFormat);
if (FAILED(hr))
return hr;
TEX_ALPHA_MODE alphaMode;
metadata.format = DetermineFormat(pixelFormat, flags, iswic2, pConvert, &alphaMode);
if (metadata.format == DXGI_FORMAT_UNKNOWN)
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
metadata.SetAlphaMode(alphaMode);
if (!(flags & WIC_FLAGS_IGNORE_SRGB))
{
GUID containerFormat;
hr = decoder->GetContainerFormat(&containerFormat);
if (FAILED(hr))
return hr;
ComPtr<IWICMetadataQueryReader> metareader;
hr = frame->GetMetadataQueryReader(metareader.GetAddressOf());
if (SUCCEEDED(hr))
{
// Check for sRGB colorspace metadata
bool sRGB = false;
PROPVARIANT value;
PropVariantInit(&value);
// Check for colorspace chunks
if (memcmp(&containerFormat, &GUID_ContainerFormatPng, sizeof(GUID)) == 0)
{
if (SUCCEEDED(metareader->GetMetadataByName(L"/sRGB/RenderingIntent", &value)) && value.vt == VT_UI1)
{
sRGB = true;
}
else if (SUCCEEDED(metareader->GetMetadataByName(L"/gAMA/ImageGamma", &value)) && value.vt == VT_UI4)
{
sRGB = (value.uintVal == 45455);
}
else
{
sRGB = (flags & WIC_FLAGS_DEFAULT_SRGB) != 0;
}
}
#if (defined(_XBOX_ONE) && defined(_TITLE)) || defined(_GAMING_XBOX)
else if (memcmp(&containerFormat, &GUID_ContainerFormatJpeg, sizeof(GUID)) == 0)
{
if (SUCCEEDED(metareader->GetMetadataByName(L"/app1/ifd/exif/{ushort=40961}", &value)) && value.vt == VT_UI2)
{
sRGB = (value.uiVal == 1);
}
else
{
sRGB = (flags & WIC_FLAGS_DEFAULT_SRGB) != 0;
}
}
else if (memcmp(&containerFormat, &GUID_ContainerFormatTiff, sizeof(GUID)) == 0)
{
if (SUCCEEDED(metareader->GetMetadataByName(L"/ifd/exif/{ushort=40961}", &value)) && value.vt == VT_UI2)
{
sRGB = (value.uiVal == 1);
}
else
{
sRGB = (flags & WIC_FLAGS_DEFAULT_SRGB) != 0;
}
}
#else
else if (SUCCEEDED(metareader->GetMetadataByName(L"System.Image.ColorSpace", &value)) && value.vt == VT_UI2)
{
sRGB = (value.uiVal == 1);
}
else
{
sRGB = (flags & WIC_FLAGS_DEFAULT_SRGB) != 0;
}
#endif
(void)PropVariantClear(&value);
if (sRGB)
metadata.format = MakeSRGB(metadata.format);
}
else if (hr == WINCODEC_ERR_UNSUPPORTEDOPERATION)
{
// Some formats just don't support metadata (BMP, ICO, etc.), so ignore this failure
hr = S_OK;
}
}
if (getMQR)
{
ComPtr<IWICMetadataQueryReader> metareader;
if (SUCCEEDED(frame->GetMetadataQueryReader(metareader.GetAddressOf())))
{
getMQR(metareader.Get());
}
}
return hr;
}
//-------------------------------------------------------------------------------------
// Decodes a single frame
//-------------------------------------------------------------------------------------
HRESULT DecodeSingleFrame(
WIC_FLAGS flags,
const TexMetadata& metadata,
const WICPixelFormatGUID& convertGUID,
_In_ IWICBitmapFrameDecode *frame,
_Inout_ ScratchImage& image)
{
if (!frame)
return E_POINTER;
HRESULT hr = image.Initialize2D(metadata.format, metadata.width, metadata.height, 1, 1);
if (FAILED(hr))
return hr;
const Image *img = image.GetImage(0, 0, 0);
if (!img)
return E_POINTER;
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
if (img->rowPitch > UINT32_MAX || img->slicePitch > UINT32_MAX)
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
if (memcmp(&convertGUID, &GUID_NULL, sizeof(GUID)) == 0)
{
hr = frame->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
if (FAILED(hr))
return hr;
}
else
{
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter(FC.GetAddressOf());
if (FAILED(hr))
return hr;
WICPixelFormatGUID pixelFormat;
hr = frame->GetPixelFormat(&pixelFormat);
if (FAILED(hr))
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert(pixelFormat, convertGUID, &canConvert);
if (FAILED(hr) || !canConvert)
{
return E_UNEXPECTED;
}
hr = FC->Initialize(frame, convertGUID, _GetWICDither(flags), nullptr, 0, WICBitmapPaletteTypeMedianCut);
if (FAILED(hr))
return hr;
hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
if (FAILED(hr))
return hr;
}
return S_OK;
}
//-------------------------------------------------------------------------------------
// Decodes an image array, resizing/format converting as needed
//-------------------------------------------------------------------------------------
HRESULT DecodeMultiframe(
WIC_FLAGS flags,
const TexMetadata& metadata,
_In_ IWICBitmapDecoder *decoder,
_Inout_ ScratchImage& image)
{
if (!decoder)
return E_POINTER;
HRESULT hr = image.Initialize2D(metadata.format, metadata.width, metadata.height, metadata.arraySize, 1);
if (FAILED(hr))
return hr;
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
WICPixelFormatGUID sourceGUID;
if (!_DXGIToWIC(metadata.format, sourceGUID))
return E_FAIL;
for (size_t index = 0; index < metadata.arraySize; ++index)
{
const Image* img = image.GetImage(0, index, 0);
if (!img)
return E_POINTER;
if (img->rowPitch > UINT32_MAX || img->slicePitch > UINT32_MAX)
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame(static_cast<UINT>(index), frame.GetAddressOf());
if (FAILED(hr))
return hr;
WICPixelFormatGUID pfGuid;
hr = frame->GetPixelFormat(&pfGuid);
if (FAILED(hr))
return hr;
UINT w, h;
hr = frame->GetSize(&w, &h);
if (FAILED(hr))
return hr;
if (w == metadata.width && h == metadata.height)
{
// This frame does not need resized
if (memcmp(&pfGuid, &sourceGUID, sizeof(WICPixelFormatGUID)) == 0)
{
hr = frame->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
if (FAILED(hr))
return hr;
}
else
{
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter(FC.GetAddressOf());
if (FAILED(hr))
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert(pfGuid, sourceGUID, &canConvert);
if (FAILED(hr) || !canConvert)
{
return E_UNEXPECTED;
}
hr = FC->Initialize(frame.Get(), sourceGUID, _GetWICDither(flags), nullptr, 0, WICBitmapPaletteTypeMedianCut);
if (FAILED(hr))
return hr;
hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
if (FAILED(hr))
return hr;
}
}
else
{
// This frame needs resizing
ComPtr<IWICBitmapScaler> scaler;
hr = pWIC->CreateBitmapScaler(scaler.GetAddressOf());
if (FAILED(hr))
return hr;
hr = scaler->Initialize(frame.Get(), static_cast<UINT>(metadata.width), static_cast<UINT>(metadata.height), _GetWICInterp(flags));
if (FAILED(hr))
return hr;
WICPixelFormatGUID pfScaler;
hr = scaler->GetPixelFormat(&pfScaler);
if (FAILED(hr))
return hr;
if (memcmp(&pfScaler, &sourceGUID, sizeof(WICPixelFormatGUID)) == 0)
{
hr = scaler->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
if (FAILED(hr))
return hr;
}
else
{
// The WIC bitmap scaler is free to return a different pixel format than the source image, so here we
// convert it to our desired format
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter(FC.GetAddressOf());
if (FAILED(hr))
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert(pfScaler, sourceGUID, &canConvert);
if (FAILED(hr) || !canConvert)
{
return E_UNEXPECTED;
}
hr = FC->Initialize(scaler.Get(), sourceGUID, _GetWICDither(flags), nullptr, 0, WICBitmapPaletteTypeMedianCut);
if (FAILED(hr))
return hr;
hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
if (FAILED(hr))
return hr;
}
}
}
return S_OK;
}
//-------------------------------------------------------------------------------------
// Encodes image metadata
//-------------------------------------------------------------------------------------
HRESULT EncodeMetadata(
WIC_FLAGS flags,
_In_ IWICBitmapFrameEncode* frame,
const GUID& containerFormat,
DXGI_FORMAT format)
{
if (!frame)
return E_POINTER;
ComPtr<IWICMetadataQueryWriter> metawriter;
HRESULT hr = frame->GetMetadataQueryWriter(metawriter.GetAddressOf());
if (SUCCEEDED(hr))
{
PROPVARIANT value;
PropVariantInit(&value);
bool sRGB = ((flags & WIC_FLAGS_FORCE_LINEAR) == 0) && ((flags & WIC_FLAGS_FORCE_SRGB) != 0 || IsSRGB(format));
value.vt = VT_LPSTR;
value.pszVal = const_cast<char*>("DirectXTex");
if (memcmp(&containerFormat, &GUID_ContainerFormatPng, sizeof(GUID)) == 0)
{
// Set Software name
(void)metawriter->SetMetadataByName(L"/tEXt/{str=Software}", &value);
// Set sRGB chunk
if (sRGB)
{
value.vt = VT_UI1;
value.bVal = 0;
(void)metawriter->SetMetadataByName(L"/sRGB/RenderingIntent", &value);
}
else
{
// add gAMA chunk with gamma 1.0
value.vt = VT_UI4;
value.uintVal = 100000; // gama value * 100,000 -- i.e. gamma 1.0
(void)metawriter->SetMetadataByName(L"/gAMA/ImageGamma", &value);
// remove sRGB chunk which is added by default.
(void)metawriter->RemoveMetadataByName(L"/sRGB/RenderingIntent");
}
}
#if (defined(_XBOX_ONE) && defined(_TITLE)) || defined(_GAMING_XBOX)
else if (memcmp(&containerFormat, &GUID_ContainerFormatJpeg, sizeof(GUID)) == 0)
{
// Set Software name
(void)metawriter->SetMetadataByName(L"/app1/ifd/{ushort=305}", &value);
if (sRGB)
{
// Set EXIF Colorspace of sRGB
value.vt = VT_UI2;
value.uiVal = 1;
(void)metawriter->SetMetadataByName(L"/app1/ifd/exif/{ushort=40961}", &value);
}
}
else if (memcmp(&containerFormat, &GUID_ContainerFormatTiff, sizeof(GUID)) == 0)
{
// Set Software name
(void)metawriter->SetMetadataByName(L"/ifd/{ushort=305}", &value);
if (sRGB)
{
// Set EXIF Colorspace of sRGB
value.vt = VT_UI2;
value.uiVal = 1;
(void)metawriter->SetMetadataByName(L"/ifd/exif/{ushort=40961}", &value);
}
}
#else
else
{
// Set Software name
(void)metawriter->SetMetadataByName(L"System.ApplicationName", &value);
if (sRGB)
{
// Set EXIF Colorspace of sRGB
value.vt = VT_UI2;
value.uiVal = 1;
(void)metawriter->SetMetadataByName(L"System.Image.ColorSpace", &value);
}
}
#endif
}
else if (hr == WINCODEC_ERR_UNSUPPORTEDOPERATION)
{
// Some formats just don't support metadata (BMP, ICO, etc.), so ignore this failure
hr = S_OK;
}
return hr;
}
//-------------------------------------------------------------------------------------
// Encodes a single frame
//-------------------------------------------------------------------------------------
HRESULT EncodeImage(
const Image& image,
WIC_FLAGS flags,
_In_ REFGUID containerFormat,
_In_ IWICBitmapFrameEncode* frame,
_In_opt_ IPropertyBag2* props,
_In_opt_ const GUID* targetFormat)
{
if (!frame)
return E_INVALIDARG;
if (!image.pixels)
return E_POINTER;
WICPixelFormatGUID pfGuid;
if (!_DXGIToWIC(image.format, pfGuid))
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
HRESULT hr = frame->Initialize(props);
if (FAILED(hr))
return hr;
if ((image.width > UINT32_MAX) || (image.height > UINT32_MAX))
return E_INVALIDARG;
if (image.rowPitch > UINT32_MAX || image.slicePitch > UINT32_MAX)
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
hr = frame->SetSize(static_cast<UINT>(image.width), static_cast<UINT>(image.height));
if (FAILED(hr))
return hr;
hr = frame->SetResolution(72, 72);
if (FAILED(hr))
return hr;
WICPixelFormatGUID targetGuid = (targetFormat) ? (*targetFormat) : pfGuid;
hr = frame->SetPixelFormat(&targetGuid);
if (FAILED(hr))
return hr;
if (targetFormat && memcmp(targetFormat, &targetGuid, sizeof(WICPixelFormatGUID)) != 0)
{
// Requested output pixel format is not supported by the WIC codec
return E_FAIL;
}
hr = EncodeMetadata(flags, frame, containerFormat, image.format);
if (FAILED(hr))
return hr;
if (memcmp(&targetGuid, &pfGuid, sizeof(WICPixelFormatGUID)) != 0)
{
// Conversion required to write
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICBitmap> source;
hr = pWIC->CreateBitmapFromMemory(static_cast<UINT>(image.width), static_cast<UINT>(image.height), pfGuid,
static_cast<UINT>(image.rowPitch), static_cast<UINT>(image.slicePitch),
image.pixels, source.GetAddressOf());
if (FAILED(hr))
return hr;
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter(FC.GetAddressOf());
if (FAILED(hr))
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert(pfGuid, targetGuid, &canConvert);
if (FAILED(hr) || !canConvert)
{
return E_UNEXPECTED;
}
hr = FC->Initialize(source.Get(), targetGuid, _GetWICDither(flags), nullptr, 0, WICBitmapPaletteTypeMedianCut);
if (FAILED(hr))
return hr;
WICRect rect = { 0, 0, static_cast<INT>(image.width), static_cast<INT>(image.height) };
hr = frame->WriteSource(FC.Get(), &rect);
if (FAILED(hr))
return hr;
}
else
{
// No conversion required
hr = frame->WritePixels(static_cast<UINT>(image.height), static_cast<UINT>(image.rowPitch), static_cast<UINT>(image.slicePitch),
reinterpret_cast<uint8_t*>(image.pixels));
if (FAILED(hr))
return hr;
}
hr = frame->Commit();
if (FAILED(hr))
return hr;
return S_OK;
}
HRESULT EncodeSingleFrame(
const Image& image,
WIC_FLAGS flags,
_In_ REFGUID containerFormat,
_Inout_ IStream* stream,
_In_opt_ const GUID* targetFormat,
_In_opt_ std::function<void(IPropertyBag2*)> setCustomProps)
{
if (!stream)
return E_INVALIDARG;
// Initialize WIC
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICBitmapEncoder> encoder;
HRESULT hr = pWIC->CreateEncoder(containerFormat, nullptr, encoder.GetAddressOf());
if (FAILED(hr))
return hr;
hr = encoder->Initialize(stream, WICBitmapEncoderNoCache);
if (FAILED(hr))
return hr;
ComPtr<IWICBitmapFrameEncode> frame;
ComPtr<IPropertyBag2> props;
hr = encoder->CreateNewFrame(frame.GetAddressOf(), props.GetAddressOf());
if (FAILED(hr))
return hr;
if (memcmp(&containerFormat, &GUID_ContainerFormatBmp, sizeof(WICPixelFormatGUID)) == 0 && iswic2)
{
// Opt-in to the WIC2 support for writing 32-bit Windows BMP files with an alpha channel
PROPBAG2 option = {};
option.pstrName = const_cast<wchar_t*>(L"EnableV5Header32bppBGRA");
VARIANT varValue;
varValue.vt = VT_BOOL;
varValue.boolVal = VARIANT_TRUE;
(void)props->Write(1, &option, &varValue);
}
if (setCustomProps)
{
setCustomProps(props.Get());
}
hr = EncodeImage(image, flags, containerFormat, frame.Get(), props.Get(), targetFormat);
if (FAILED(hr))
return hr;
hr = encoder->Commit();
if (FAILED(hr))
return hr;
return S_OK;
}
//-------------------------------------------------------------------------------------
// Encodes an image array
//-------------------------------------------------------------------------------------
HRESULT EncodeMultiframe(
_In_reads_(nimages) const Image* images,
size_t nimages,
WIC_FLAGS flags,
_In_ REFGUID containerFormat,
_Inout_ IStream* stream,
_In_opt_ const GUID* targetFormat,
_In_opt_ std::function<void(IPropertyBag2*)> setCustomProps)
{
if (!stream || nimages < 2)
return E_INVALIDARG;
if (!images)
return E_POINTER;
// Initialize WIC
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICBitmapEncoder> encoder;
HRESULT hr = pWIC->CreateEncoder(containerFormat, nullptr, encoder.GetAddressOf());
if (FAILED(hr))
return hr;
ComPtr<IWICBitmapEncoderInfo> einfo;
hr = encoder->GetEncoderInfo(einfo.GetAddressOf());
if (FAILED(hr))
return hr;
BOOL mframe = FALSE;
hr = einfo->DoesSupportMultiframe(&mframe);
if (FAILED(hr))
return hr;
if (!mframe)
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
hr = encoder->Initialize(stream, WICBitmapEncoderNoCache);
if (FAILED(hr))
return hr;
for (size_t index = 0; index < nimages; ++index)
{
ComPtr<IWICBitmapFrameEncode> frame;
ComPtr<IPropertyBag2> props;
hr = encoder->CreateNewFrame(frame.GetAddressOf(), props.GetAddressOf());
if (FAILED(hr))
return hr;
if (setCustomProps)
{
setCustomProps(props.Get());
}
hr = EncodeImage(images[index], flags, containerFormat, frame.Get(), props.Get(), targetFormat);
if (FAILED(hr))
return hr;
}
hr = encoder->Commit();
if (FAILED(hr))
return hr;
return S_OK;
}
}
//=====================================================================================
// Entry-points
//=====================================================================================
//-------------------------------------------------------------------------------------
// Obtain metadata from WIC-supported file in memory
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::GetMetadataFromWICMemory(
const void* pSource,
size_t size,
WIC_FLAGS flags,
TexMetadata& metadata,
std::function<void(IWICMetadataQueryReader*)> getMQR)
{
if (!pSource || size == 0)
return E_INVALIDARG;
if (size > UINT32_MAX)
return HRESULT_FROM_WIN32(ERROR_FILE_TOO_LARGE);
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
// Create input stream for memory
ComPtr<IWICStream> stream;
HRESULT hr = pWIC->CreateStream(stream.GetAddressOf());
if (FAILED(hr))
return hr;
hr = stream->InitializeFromMemory(static_cast<BYTE*>(const_cast<void*>(pSource)),
static_cast<UINT>(size));
if (FAILED(hr))
return hr;
// Initialize WIC
ComPtr<IWICBitmapDecoder> decoder;
hr = pWIC->CreateDecoderFromStream(stream.Get(), nullptr, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
if (FAILED(hr))
return hr;
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame(0, frame.GetAddressOf());
if (FAILED(hr))
return hr;
// Get metadata
hr = DecodeMetadata(flags, iswic2, decoder.Get(), frame.Get(), metadata, nullptr, getMQR);
if (FAILED(hr))
return hr;
return S_OK;
}
//-------------------------------------------------------------------------------------
// Obtain metadata from WIC-supported file on disk
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::GetMetadataFromWICFile(
const wchar_t* szFile,
WIC_FLAGS flags,
TexMetadata& metadata,
std::function<void(IWICMetadataQueryReader*)> getMQR)
{
if (!szFile)
return E_INVALIDARG;
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
// Initialize WIC
ComPtr<IWICBitmapDecoder> decoder;
HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
if (FAILED(hr))
return hr;
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame(0, frame.GetAddressOf());
if (FAILED(hr))
return hr;
// Get metadata
hr = DecodeMetadata(flags, iswic2, decoder.Get(), frame.Get(), metadata, nullptr, getMQR);
if (FAILED(hr))
return hr;
return S_OK;
}
//-------------------------------------------------------------------------------------
// Load a WIC-supported file in memory
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadFromWICMemory(
const void* pSource,
size_t size,
WIC_FLAGS flags,
TexMetadata* metadata,
ScratchImage& image,
std::function<void(IWICMetadataQueryReader*)> getMQR)
{
if (!pSource || size == 0)
return E_INVALIDARG;
if (size > UINT32_MAX)
return HRESULT_FROM_WIN32(ERROR_FILE_TOO_LARGE);
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
image.Release();
// Create input stream for memory
ComPtr<IWICStream> stream;
HRESULT hr = pWIC->CreateStream(stream.GetAddressOf());
if (FAILED(hr))
return hr;
hr = stream->InitializeFromMemory(static_cast<uint8_t*>(const_cast<void*>(pSource)), static_cast<DWORD>(size));
if (FAILED(hr))
return hr;
// Initialize WIC
ComPtr<IWICBitmapDecoder> decoder;
hr = pWIC->CreateDecoderFromStream(stream.Get(), nullptr, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
if (FAILED(hr))
return hr;
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame(0, frame.GetAddressOf());
if (FAILED(hr))
return hr;
// Get metadata
TexMetadata mdata = {};
WICPixelFormatGUID convertGUID = {};
hr = DecodeMetadata(flags, iswic2, decoder.Get(), frame.Get(), mdata, &convertGUID, getMQR);
if (FAILED(hr))
return hr;
if ((mdata.arraySize > 1) && (flags & WIC_FLAGS_ALL_FRAMES))
{
hr = DecodeMultiframe(flags, mdata, decoder.Get(), image);
}
else
{
hr = DecodeSingleFrame(flags, mdata, convertGUID, frame.Get(), image);
}
if (FAILED(hr))
{
image.Release();
return hr;
}
if (metadata)
memcpy(metadata, &mdata, sizeof(TexMetadata));
return S_OK;
}
//-------------------------------------------------------------------------------------
// Load a WIC-supported file from disk
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadFromWICFile(
const wchar_t* szFile,
WIC_FLAGS flags,
TexMetadata* metadata,
ScratchImage& image,
std::function<void(IWICMetadataQueryReader*)> getMQR)
{
if (!szFile)
return E_INVALIDARG;
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
image.Release();
// Initialize WIC
ComPtr<IWICBitmapDecoder> decoder;
HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
if (FAILED(hr))
return hr;
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame(0, frame.GetAddressOf());
if (FAILED(hr))
return hr;
// Get metadata
TexMetadata mdata = {};
WICPixelFormatGUID convertGUID = {};
hr = DecodeMetadata(flags, iswic2, decoder.Get(), frame.Get(), mdata, &convertGUID, getMQR);
if (FAILED(hr))
return hr;
if ((mdata.arraySize > 1) && (flags & WIC_FLAGS_ALL_FRAMES))
{
hr = DecodeMultiframe(flags, mdata, decoder.Get(), image);
}
else
{
hr = DecodeSingleFrame(flags, mdata, convertGUID, frame.Get(), image);
}
if (FAILED(hr))
{
image.Release();
return hr;
}
if (metadata)
memcpy(metadata, &mdata, sizeof(TexMetadata));
return S_OK;
}
//-------------------------------------------------------------------------------------
// Save a WIC-supported file to memory
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::SaveToWICMemory(
const Image& image,
WIC_FLAGS flags,
REFGUID containerFormat,
Blob& blob,
const GUID* targetFormat,
std::function<void(IPropertyBag2*)> setCustomProps)
{
if (!image.pixels)
return E_POINTER;
blob.Release();
ComPtr<IStream> stream;
HRESULT hr = CreateMemoryStream(stream.GetAddressOf());
if (FAILED(hr))
return hr;
hr = EncodeSingleFrame(image, flags, containerFormat, stream.Get(), targetFormat, setCustomProps);
if (FAILED(hr))
return hr;
// Copy stream data into blob
STATSTG stat;
hr = stream->Stat(&stat, STATFLAG_NONAME);
if (FAILED(hr))
return hr;
if (stat.cbSize.HighPart > 0)
return HRESULT_FROM_WIN32(ERROR_FILE_TOO_LARGE);
hr = blob.Initialize(stat.cbSize.LowPart);
if (FAILED(hr))
return hr;
LARGE_INTEGER li = {};
hr = stream->Seek(li, STREAM_SEEK_SET, nullptr);
if (FAILED(hr))
return hr;
DWORD bytesRead;
hr = stream->Read(blob.GetBufferPointer(), static_cast<ULONG>(blob.GetBufferSize()), &bytesRead);
if (FAILED(hr))
return hr;
if (bytesRead != blob.GetBufferSize())
return E_FAIL;
return S_OK;
}
_Use_decl_annotations_
HRESULT DirectX::SaveToWICMemory(
const Image* images,
size_t nimages,
WIC_FLAGS flags,
REFGUID containerFormat,
Blob& blob,
const GUID* targetFormat,
std::function<void(IPropertyBag2*)> setCustomProps)
{
if (!images || nimages == 0)
return E_INVALIDARG;
blob.Release();
ComPtr<IStream> stream;
HRESULT hr = CreateMemoryStream(stream.GetAddressOf());
if (FAILED(hr))
return hr;
if (nimages > 1)
hr = EncodeMultiframe(images, nimages, flags, containerFormat, stream.Get(), targetFormat, setCustomProps);
else
hr = EncodeSingleFrame(images[0], flags, containerFormat, stream.Get(), targetFormat, setCustomProps);
if (FAILED(hr))
return hr;
// Copy stream data into blob
STATSTG stat;
hr = stream->Stat(&stat, STATFLAG_NONAME);
if (FAILED(hr))
return hr;
if (stat.cbSize.HighPart > 0)
return HRESULT_FROM_WIN32(ERROR_FILE_TOO_LARGE);
hr = blob.Initialize(stat.cbSize.LowPart);
if (FAILED(hr))
return hr;
LARGE_INTEGER li = {};
hr = stream->Seek(li, STREAM_SEEK_SET, nullptr);
if (FAILED(hr))
return hr;
DWORD bytesRead;
hr = stream->Read(blob.GetBufferPointer(), static_cast<ULONG>(blob.GetBufferSize()), &bytesRead);
if (FAILED(hr))
return hr;
if (bytesRead != blob.GetBufferSize())
return E_FAIL;
return S_OK;
}
//-------------------------------------------------------------------------------------
// Save a WIC-supported file to disk
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::SaveToWICFile(
const Image& image,
WIC_FLAGS flags,
REFGUID containerFormat,
const wchar_t* szFile,
const GUID* targetFormat,
std::function<void(IPropertyBag2*)> setCustomProps)
{
if (!szFile)
return E_INVALIDARG;
if (!image.pixels)
return E_POINTER;
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICStream> stream;
HRESULT hr = pWIC->CreateStream(stream.GetAddressOf());
if (FAILED(hr))
return hr;
hr = stream->InitializeFromFilename(szFile, GENERIC_WRITE);
if (FAILED(hr))
return hr;
hr = EncodeSingleFrame(image, flags, containerFormat, stream.Get(), targetFormat, setCustomProps);
if (FAILED(hr))
{
stream.Reset();
DeleteFileW(szFile);
return hr;
}
return S_OK;
}
_Use_decl_annotations_
HRESULT DirectX::SaveToWICFile(
const Image* images,
size_t nimages,
WIC_FLAGS flags,
REFGUID containerFormat,
const wchar_t* szFile,
const GUID* targetFormat,
std::function<void(IPropertyBag2*)> setCustomProps)
{
if (!szFile || !images || nimages == 0)
return E_INVALIDARG;
bool iswic2 = false;
auto pWIC = GetWICFactory(iswic2);
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICStream> stream;
HRESULT hr = pWIC->CreateStream(stream.GetAddressOf());
if (FAILED(hr))
return hr;
hr = stream->InitializeFromFilename(szFile, GENERIC_WRITE);
if (FAILED(hr))
return hr;
if (nimages > 1)
hr = EncodeMultiframe(images, nimages, flags, containerFormat, stream.Get(), targetFormat, setCustomProps);
else
hr = EncodeSingleFrame(images[0], flags, containerFormat, stream.Get(), targetFormat, setCustomProps);
if (FAILED(hr))
{
stream.Reset();
DeleteFileW(szFile);
return hr;
}
return S_OK;
}