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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 "qandroidformatsinfo_p.h"
#include <QtCore/qjnienvironment.h>
#include <QtCore/qjniobject.h>
#include <qcoreapplication.h>
static const char encoderFilter[] = ".encoder";
static const char decoderFilter[] = ".decoder";
QT_BEGIN_NAMESPACE
QAndroidFormatInfo::QAndroidFormatInfo()
{
// Audio/Video/Image formats with their decoder/encoder information is documented at
// https://developer.android.com/guide/topics/media/media-formats
const QJniObject codecsArrayObject = QJniObject::callStaticObjectMethod(
"org/qtproject/qt/android/multimedia/QtMultimediaUtils",
"getMediaCodecs",
"()[Ljava/lang/String;");
QStringList codecs;
QJniEnvironment env;
const jobjectArray devsArray = codecsArrayObject.object<jobjectArray>();
for (int i = 0; i < env->GetArrayLength(devsArray); ++i) {
const QString codec = QJniObject(env->GetObjectArrayElement(devsArray, i)).toString();
if (codec.contains(QStringLiteral("encoder")))
m_supportedEncoders.append(codec);
else
m_supportedDecoders.append(codec);
}
auto removeUnspecifiedValues = [](QList<CodecMap> &map) {
for (CodecMap &codec : map) {
codec.audio.removeAll(QMediaFormat::AudioCodec::Unspecified);
codec.video.removeAll(QMediaFormat::VideoCodec::Unspecified);
}
erase_if(map, [](const CodecMap &codec) {
return codec.audio.isEmpty() && codec.video.isEmpty();
});
};
{
const QMediaFormat::AudioCodec aac = hasDecoder(QMediaFormat::AudioCodec::AAC);
const QMediaFormat::AudioCodec mp3 = hasDecoder(QMediaFormat::AudioCodec::MP3);
const QMediaFormat::AudioCodec flac = hasDecoder(QMediaFormat::AudioCodec::FLAC);
const QMediaFormat::AudioCodec opus = hasDecoder(QMediaFormat::AudioCodec::Opus);
const QMediaFormat::AudioCodec vorbis = hasDecoder(QMediaFormat::AudioCodec::Vorbis);
const QMediaFormat::VideoCodec vp8 = hasDecoder(QMediaFormat::VideoCodec::VP8);
const QMediaFormat::VideoCodec vp9 = hasDecoder(QMediaFormat::VideoCodec::VP9);
const QMediaFormat::VideoCodec h264 = hasDecoder(QMediaFormat::VideoCodec::H264);
const QMediaFormat::VideoCodec h265 = hasDecoder(QMediaFormat::VideoCodec::H265);
const QMediaFormat::VideoCodec av1 = hasDecoder(QMediaFormat::VideoCodec::AV1);
decoders = {
{ QMediaFormat::AAC, {aac}, {} },
{ QMediaFormat::MP3, {mp3}, {} },
{ QMediaFormat::FLAC, {flac}, {} },
{ QMediaFormat::Mpeg4Audio, {mp3, aac, flac, vorbis}, {} },
{ QMediaFormat::MPEG4, {mp3, aac, flac, vorbis}, {h264, h265, av1} },
{ QMediaFormat::Ogg, {opus, vorbis, flac}, {} },
{ QMediaFormat::Matroska, {mp3, opus, vorbis}, {vp8, vp9, h264, h265, av1} },
{ QMediaFormat::WebM, {opus, vorbis}, {vp8, vp9} }
};
removeUnspecifiedValues(decoders);
}
{
const QMediaFormat::AudioCodec aac = hasEncoder(QMediaFormat::AudioCodec::AAC);
const QMediaFormat::AudioCodec mp3 = hasEncoder(QMediaFormat::AudioCodec::MP3);
const QMediaFormat::AudioCodec opus = hasEncoder(QMediaFormat::AudioCodec::Opus);
const QMediaFormat::AudioCodec vorbis = hasEncoder(QMediaFormat::AudioCodec::Vorbis);
const QMediaFormat::VideoCodec vp8 = hasEncoder(QMediaFormat::VideoCodec::VP8);
const QMediaFormat::VideoCodec vp9 = hasEncoder(QMediaFormat::VideoCodec::VP9);
const QMediaFormat::VideoCodec h264 = hasEncoder(QMediaFormat::VideoCodec::H264);
const QMediaFormat::VideoCodec h265 = hasEncoder(QMediaFormat::VideoCodec::H265);
const QMediaFormat::VideoCodec av1 = hasEncoder(QMediaFormat::VideoCodec::AV1);
// MP3 and Vorbis encoders are not supported by the default Android SDK
// Opus encoder available only for Android 10+
encoders = {
{ QMediaFormat::AAC, {aac}, {} },
{ QMediaFormat::MP3, {mp3}, {} },
// FLAC encoder is not supported by the MediaRecorder used for recording
// { QMediaFormat::FLAC, {flac}, {} },
{ QMediaFormat::Mpeg4Audio, {mp3, aac, vorbis}, {} },
{ QMediaFormat::MPEG4, {mp3, aac, vorbis}, {h264, h265, av1} },
{ QMediaFormat::Ogg, {opus, vorbis}, {} },
{ QMediaFormat::Matroska, {mp3, opus}, {vp8, vp9, h264, h265, av1} },
// NOTE: WebM seems to be documented to supported with VP8 encoder,
// but the Camera API doesn't work with it, keep it commented for now.
// { QMediaFormat::WebM, {vorbis, opus}, {vp8, vp9} }
};
removeUnspecifiedValues(encoders);
}
imageFormats << QImageCapture::JPEG;
// NOTE: Add later if needed, the Camera API doens't seem to work with it.
// imageFormats << QImageCapture::PNG << QImageCapture::WebP;
}
QAndroidFormatInfo::~QAndroidFormatInfo()
{
}
static QString getVideoCodecName(QMediaFormat::VideoCodec codec)
{
QString codecString = QMediaFormat::videoCodecName(codec);
if (codec == QMediaFormat::VideoCodec::H265)
codecString = QLatin1String("HEVC");
return codecString;
}
QMediaFormat::AudioCodec QAndroidFormatInfo::hasEncoder(QMediaFormat::AudioCodec codec) const
{
const QString codecString = QMediaFormat::audioCodecName(codec);
for (auto str : m_supportedEncoders) {
if (str.contains(codecString + QLatin1String(encoderFilter), Qt::CaseInsensitive))
return codec;
}
return QMediaFormat::AudioCodec::Unspecified;
}
QMediaFormat::VideoCodec QAndroidFormatInfo::hasEncoder(QMediaFormat::VideoCodec codec) const
{
const QString codecString = getVideoCodecName(codec);
for (auto str : m_supportedEncoders) {
if (str.contains(codecString + QLatin1String(encoderFilter), Qt::CaseInsensitive))
return codec;
}
return QMediaFormat::VideoCodec::Unspecified;
}
QMediaFormat::AudioCodec QAndroidFormatInfo::hasDecoder(QMediaFormat::AudioCodec codec) const
{
const QString codecString = QMediaFormat::audioCodecName(codec);
for (auto str : m_supportedDecoders) {
if (str.contains(codecString + QLatin1String(decoderFilter), Qt::CaseInsensitive))
return codec;
}
return QMediaFormat::AudioCodec::Unspecified;
}
QMediaFormat::VideoCodec QAndroidFormatInfo::hasDecoder(QMediaFormat::VideoCodec codec) const
{
const QString codecString = getVideoCodecName(codec);
for (auto str : m_supportedDecoders) {
if (str.contains(codecString + QLatin1String(decoderFilter), Qt::CaseInsensitive))
return codec;
}
return QMediaFormat::VideoCodec::Unspecified;
}
QT_END_NAMESPACE
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