diff options
Diffstat (limited to 'src/plugins/multimedia/android/qandroidformatsinfo.cpp')
| -rw-r--r-- | src/plugins/multimedia/android/qandroidformatsinfo.cpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/plugins/multimedia/android/qandroidformatsinfo.cpp b/src/plugins/multimedia/android/qandroidformatsinfo.cpp new file mode 100644 index 000000000..3b23340ce --- /dev/null +++ b/src/plugins/multimedia/android/qandroidformatsinfo.cpp @@ -0,0 +1,160 @@ +// 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 |