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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 "qdarwinformatsinfo_p.h"
#include <AVFoundation/AVFoundation.h>
#include <qdebug.h>
QT_BEGIN_NAMESPACE
static struct {
const char *name;
QMediaFormat::FileFormat value;
} mediaContainerMap[] = {
{ "video/x-ms-asf", QMediaFormat::WMV },
{ "video/avi", QMediaFormat::AVI },
{ "video/x-matroska", QMediaFormat::Matroska },
{ "video/mp4", QMediaFormat::MPEG4 },
{ "video/quicktime", QMediaFormat::QuickTime },
{ "video/ogg", QMediaFormat::Ogg },
{ "audio/mp3", QMediaFormat::MP3 },
{ "audio/flac", QMediaFormat::FLAC },
{ nullptr, QMediaFormat::UnspecifiedFormat }
};
static struct {
const char *name;
QMediaFormat::VideoCodec value;
} videoCodecMap[] = {
// See CMVideoCodecType for the four character code names of codecs
{ "; codecs=\"mp1v\"", QMediaFormat::VideoCodec::MPEG1 },
{ "; codecs=\"mp2v\"", QMediaFormat::VideoCodec::MPEG2 },
{ "; codecs=\"mp4v\"", QMediaFormat::VideoCodec::MPEG4 },
{ "; codecs=\"avc1\"", QMediaFormat::VideoCodec::H264 },
{ "; codecs=\"hvc1\"", QMediaFormat::VideoCodec::H265 },
{ "; codecs=\"vp09\"", QMediaFormat::VideoCodec::VP9 },
{ "; codecs=\"av01\"", QMediaFormat::VideoCodec::AV1 }, // ### ????
{ "; codecs=\"jpeg\"", QMediaFormat::VideoCodec::MotionJPEG },
{ nullptr, QMediaFormat::VideoCodec::Unspecified }
};
static struct {
const char *name;
QMediaFormat::AudioCodec value;
} audioCodecMap[] = {
// AudioFile.h
// ### The next two entries do not work, probably because they contain non a space and period and AVFoundation doesn't like that
// We know they are supported on all Apple platforms, so we'll add them manually below
// { "; codecs=\".mp3\"", QMediaFormat::AudioCodec::MP3 },
// { "; codecs=\"aac \"", QMediaFormat::AudioCodec::AAC },
{ "; codecs=\"ac-3\"", QMediaFormat::AudioCodec::AC3 },
{ "; codecs=\"ec-3\"", QMediaFormat::AudioCodec::EAC3 },
{ "; codecs=\"flac\"", QMediaFormat::AudioCodec::FLAC },
{ "; codecs=\"alac\"", QMediaFormat::AudioCodec::ALAC },
{ "; codecs=\"opus\"", QMediaFormat::AudioCodec::Opus },
{ nullptr, QMediaFormat::AudioCodec::Unspecified },
};
QDarwinFormatInfo::QDarwinFormatInfo()
{
auto avtypes = [AVURLAsset audiovisualMIMETypes];
for (AVFileType filetype in avtypes) {
auto *m = mediaContainerMap;
while (m->name) {
if (strcmp(filetype.UTF8String, m->name)) {
++m;
continue;
}
QList<QMediaFormat::VideoCodec> video;
QList<QMediaFormat::AudioCodec> audio;
auto *v = videoCodecMap;
while (v->name) {
QByteArray extendedMimetype = m->name;
extendedMimetype += v->name;
if ([AVURLAsset isPlayableExtendedMIMEType:[NSString stringWithUTF8String:extendedMimetype.constData()]])
video << v->value;
++v;
}
auto *a = audioCodecMap;
while (a->name) {
QByteArray extendedMimetype = m->name;
extendedMimetype += a->name;
if ([AVURLAsset isPlayableExtendedMIMEType:[NSString stringWithUTF8String:extendedMimetype.constData()]])
audio << a->value;
++a;
}
// Added manually, see comment in the list above
if (m->value <= QMediaFormat::AAC)
audio << QMediaFormat::AudioCodec::AAC;
if (m->value < QMediaFormat::AAC || m->value == QMediaFormat::MP3)
audio << QMediaFormat::AudioCodec::MP3;
decoders << CodecMap{ m->value, audio, video };
++m;
}
}
// seems AVFoundation only supports those for encoding
encoders = {
{ QMediaFormat::MPEG4,
{ QMediaFormat::AudioCodec::AAC, QMediaFormat::AudioCodec::ALAC },
{ QMediaFormat::VideoCodec::H264, QMediaFormat::VideoCodec::H265, QMediaFormat::VideoCodec::MotionJPEG } },
{ QMediaFormat::QuickTime,
{ QMediaFormat::AudioCodec::AAC, QMediaFormat::AudioCodec::ALAC },
{ QMediaFormat::VideoCodec::H264, QMediaFormat::VideoCodec::H265, QMediaFormat::VideoCodec::MotionJPEG } },
{ QMediaFormat::Mpeg4Audio,
{ QMediaFormat::AudioCodec::AAC },
{} },
{ QMediaFormat::Wave,
{ QMediaFormat::AudioCodec::Wave },
{} },
};
// ###
imageFormats << QImageCapture::JPEG;
}
QDarwinFormatInfo::~QDarwinFormatInfo()
{
}
int QDarwinFormatInfo::audioFormatForCodec(QMediaFormat::AudioCodec codec)
{
int codecId = kAudioFormatMPEG4AAC;
switch (codec) {
case QMediaFormat::AudioCodec::Unspecified:
case QMediaFormat::AudioCodec::DolbyTrueHD:
case QMediaFormat::AudioCodec::Vorbis:
case QMediaFormat::AudioCodec::WMA:
// Unsupported, shouldn't happen. Fall back to AAC
case QMediaFormat::AudioCodec::AAC:
codecId = kAudioFormatMPEG4AAC;
break;
case QMediaFormat::AudioCodec::MP3:
codecId = kAudioFormatMPEGLayer3;
break;
case QMediaFormat::AudioCodec::AC3:
codecId = kAudioFormatAC3;
break;
case QMediaFormat::AudioCodec::EAC3:
codecId = kAudioFormatEnhancedAC3;
break;
case QMediaFormat::AudioCodec::FLAC:
codecId = kAudioFormatFLAC;
break;
case QMediaFormat::AudioCodec::ALAC:
codecId = kAudioFormatAppleLossless;
break;
case QMediaFormat::AudioCodec::Opus:
codecId = kAudioFormatOpus;
break;
case QMediaFormat::AudioCodec::Wave:
codecId = kAudioFormatLinearPCM;
}
return codecId;
}
NSString *QDarwinFormatInfo::videoFormatForCodec(QMediaFormat::VideoCodec codec)
{
const char *c = "hvc1"; // fallback is H265
switch (codec) {
case QMediaFormat::VideoCodec::Unspecified:
case QMediaFormat::VideoCodec::VP8:
case QMediaFormat::VideoCodec::H265:
case QMediaFormat::VideoCodec::AV1:
case QMediaFormat::VideoCodec::Theora:
case QMediaFormat::VideoCodec::WMV:
break;
case QMediaFormat::VideoCodec::MPEG1:
c = "mp1v";
break;
case QMediaFormat::VideoCodec::MPEG2:
c = "mp2v";
break;
case QMediaFormat::VideoCodec::MPEG4:
c = "mp4v";
break;
case QMediaFormat::VideoCodec::H264:
c = "avc1";
break;
case QMediaFormat::VideoCodec::VP9:
c = "vp09";
break;
case QMediaFormat::VideoCodec::MotionJPEG:
c = "jpeg";
}
return [NSString stringWithUTF8String:c];
}
NSString *QDarwinFormatInfo::avFileTypeForContainerFormat(QMediaFormat::FileFormat container)
{
switch (container) {
case QMediaFormat::MPEG4:
return AVFileTypeMPEG4;
case QMediaFormat::QuickTime:
return AVFileTypeQuickTimeMovie;
case QMediaFormat::MP3:
return AVFileTypeMPEGLayer3;
case QMediaFormat::Mpeg4Audio:
return AVFileTypeAppleM4A;
case QMediaFormat::Wave:
return AVFileTypeWAVE;
default:
return AVFileTypeQuickTimeMovie;
}
}
QT_END_NAMESPACE
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