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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qwindowsformatinfo_p.h"
#include <mfapi.h>
#include <mftransform.h>
#include <private/qwindowsiupointer_p.h>
#include <private/qwindowsmultimediautils_p.h>
#include <QtCore/qlist.h>
#include <QtCore/qset.h>
#include <QtGui/qimagewriter.h>
QT_BEGIN_NAMESPACE
template<typename T>
static T codecForFormat(GUID format) = delete;
template<>
QMediaFormat::AudioCodec codecForFormat(GUID format)
{
return QWindowsMultimediaUtils::codecForAudioFormat(format);
}
template<>
QMediaFormat::VideoCodec codecForFormat(GUID format)
{
return QWindowsMultimediaUtils::codecForVideoFormat(format);
}
template<typename T>
static QSet<T> getCodecSet(GUID category)
{
QSet<T> codecSet;
IMFActivate **activateArray = nullptr;
UINT32 num = 0;
HRESULT hr = MFTEnumEx(category, MFT_ENUM_FLAG_ALL, nullptr, nullptr, &activateArray, &num);
if (SUCCEEDED(hr)) {
for (UINT32 i = 0; i < num; ++i) {
QWindowsIUPointer<IMFTransform> transform;
UINT32 typeIndex = 0;
hr = activateArray[i]->ActivateObject(IID_PPV_ARGS(transform.address()));
while (SUCCEEDED(hr)) {
QWindowsIUPointer<IMFMediaType> mediaType;
if (category == MFT_CATEGORY_AUDIO_ENCODER || category == MFT_CATEGORY_VIDEO_ENCODER)
hr = transform->GetOutputAvailableType(0, typeIndex++, mediaType.address());
else
hr = transform->GetInputAvailableType(0, typeIndex++, mediaType.address());
if (SUCCEEDED(hr)) {
GUID subtype = GUID_NULL;
hr = mediaType->GetGUID(MF_MT_SUBTYPE, &subtype);
if (SUCCEEDED(hr))
codecSet.insert(codecForFormat<T>(subtype));
}
}
}
for (UINT32 i = 0; i < num; ++i)
activateArray[i]->Release();
CoTaskMemFree(activateArray);
}
return codecSet;
}
static QList<QImageCapture::FileFormat> getImageFormatList()
{
QList<QImageCapture::FileFormat> list;
auto formats = QImageWriter::supportedImageFormats();
for (const auto &f : formats) {
auto format = QString::fromUtf8(f);
if (format.compare(QLatin1String("jpg"), Qt::CaseInsensitive) == 0)
list.append(QImageCapture::FileFormat::JPEG);
else if (format.compare(QLatin1String("png"), Qt::CaseInsensitive) == 0)
list.append(QImageCapture::FileFormat::PNG);
else if (format.compare(QLatin1String("webp"), Qt::CaseInsensitive) == 0)
list.append(QImageCapture::FileFormat::WebP);
else if (format.compare(QLatin1String("tiff"), Qt::CaseInsensitive) == 0)
list.append(QImageCapture::FileFormat::Tiff);
}
return list;
}
QWindowsFormatInfo::QWindowsFormatInfo()
{
const QList<CodecMap> containerTable = {
{ QMediaFormat::MPEG4,
{ QMediaFormat::AudioCodec::AAC, QMediaFormat::AudioCodec::MP3, QMediaFormat::AudioCodec::ALAC, QMediaFormat::AudioCodec::AC3, QMediaFormat::AudioCodec::EAC3 },
{ QMediaFormat::VideoCodec::H264, QMediaFormat::VideoCodec::H265, QMediaFormat::VideoCodec::MotionJPEG } },
{ QMediaFormat::Matroska,
{ QMediaFormat::AudioCodec::AAC, QMediaFormat::AudioCodec::MP3, QMediaFormat::AudioCodec::ALAC, QMediaFormat::AudioCodec::AC3, QMediaFormat::AudioCodec::EAC3, QMediaFormat::AudioCodec::FLAC, QMediaFormat::AudioCodec::Vorbis, QMediaFormat::AudioCodec::Opus },
{ QMediaFormat::VideoCodec::H264, QMediaFormat::VideoCodec::H265, QMediaFormat::VideoCodec::VP8, QMediaFormat::VideoCodec::VP9, QMediaFormat::VideoCodec::MotionJPEG } },
{ QMediaFormat::WebM,
{ QMediaFormat::AudioCodec::Vorbis, QMediaFormat::AudioCodec::Opus },
{ QMediaFormat::VideoCodec::VP8, QMediaFormat::VideoCodec::VP9 } },
{ QMediaFormat::QuickTime,
{ QMediaFormat::AudioCodec::AAC, QMediaFormat::AudioCodec::MP3, QMediaFormat::AudioCodec::ALAC, QMediaFormat::AudioCodec::AC3, QMediaFormat::AudioCodec::EAC3 },
{ QMediaFormat::VideoCodec::H264, QMediaFormat::VideoCodec::H265, QMediaFormat::VideoCodec::MotionJPEG } },
{ QMediaFormat::AAC,
{ QMediaFormat::AudioCodec::AAC },
{} },
{ QMediaFormat::MP3,
{ QMediaFormat::AudioCodec::MP3 },
{} },
{ QMediaFormat::FLAC,
{ QMediaFormat::AudioCodec::FLAC },
{} },
{ QMediaFormat::Mpeg4Audio,
{ QMediaFormat::AudioCodec::AAC, QMediaFormat::AudioCodec::MP3, QMediaFormat::AudioCodec::ALAC, QMediaFormat::AudioCodec::AC3, QMediaFormat::AudioCodec::EAC3 },
{} },
{ QMediaFormat::WMA,
{ QMediaFormat::AudioCodec::WMA },
{} },
{ QMediaFormat::WMV,
{ QMediaFormat::AudioCodec::WMA },
{ QMediaFormat::VideoCodec::WMV } }
};
const QSet<QMediaFormat::FileFormat> decoderFormats = {
QMediaFormat::MPEG4,
QMediaFormat::Matroska,
QMediaFormat::WebM,
QMediaFormat::QuickTime,
QMediaFormat::AAC,
QMediaFormat::MP3,
QMediaFormat::FLAC,
QMediaFormat::Mpeg4Audio,
QMediaFormat::WMA,
QMediaFormat::WMV,
};
const QSet<QMediaFormat::FileFormat> encoderFormats = {
QMediaFormat::MPEG4,
QMediaFormat::AAC,
QMediaFormat::MP3,
QMediaFormat::FLAC,
QMediaFormat::Mpeg4Audio,
QMediaFormat::WMA,
QMediaFormat::WMV,
};
const auto audioDecoders = getCodecSet<QMediaFormat::AudioCodec>(MFT_CATEGORY_AUDIO_DECODER);
const auto audioEncoders = getCodecSet<QMediaFormat::AudioCodec>(MFT_CATEGORY_AUDIO_ENCODER);
const auto videoDecoders = getCodecSet<QMediaFormat::VideoCodec>(MFT_CATEGORY_VIDEO_DECODER);
const auto videoEncoders = getCodecSet<QMediaFormat::VideoCodec>(MFT_CATEGORY_VIDEO_ENCODER);
for (const auto &codecMap : containerTable) {
const QSet<QMediaFormat::AudioCodec> mapAudioSet(codecMap.audio.cbegin(), codecMap.audio.cend());
const QSet<QMediaFormat::VideoCodec> mapVideoSet(codecMap.video.cbegin(), codecMap.video.cend());
if (decoderFormats.contains(codecMap.format)) {
CodecMap m;
m.format = codecMap.format;
m.audio = (audioDecoders & mapAudioSet).values();
m.video = (videoDecoders & mapVideoSet).values();
if (!m.video.empty() || !m.audio.empty())
decoders.append(m);
}
if (encoderFormats.contains(codecMap.format)) {
CodecMap m;
m.format = codecMap.format;
m.audio = (audioEncoders & mapAudioSet).values();
m.video = (videoEncoders & mapVideoSet).values();
if (!m.video.empty() || !m.audio.empty())
encoders.append(m);
}
}
imageFormats = getImageFormatList();
}
QWindowsFormatInfo::~QWindowsFormatInfo()
{
}
QT_END_NAMESPACE
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