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// Copyright 2018-2021 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "OpusCodec.h"
#include "Audio.h"
#include "MumbleApplication.h"
#include "Version.h"
#ifdef Q_CC_GNU
# define RESOLVE(var) \
{ \
var = reinterpret_cast< __typeof__(var) >(qlOpus.resolve(#var)); \
bValid = bValid && var; \
}
#else
# define RESOLVE(var) \
{ \
*reinterpret_cast< void ** >(&var) = static_cast< void * >(qlOpus.resolve(#var)); \
bValid = bValid && var; \
}
#endif
OpusCodec::OpusCodec() {
bValid = false;
qlOpus.setLoadHints(QLibrary::ResolveAllSymbolsHint);
QStringList alternatives;
#if defined(Q_OS_MAC)
alternatives << QString::fromLatin1("libopus0.dylib");
alternatives << QString::fromLatin1("opus0.dylib");
alternatives << QString::fromLatin1("libopus.dylib");
alternatives << QString::fromLatin1("opus.dylib");
#elif defined(Q_OS_UNIX)
alternatives << QString::fromLatin1("libopus.so.0");
alternatives << QString::fromLatin1("libopus0.so");
alternatives << QString::fromLatin1("libopus.so");
alternatives << QString::fromLatin1("opus.so");
#else
alternatives << QString::fromLatin1("opus0.dll");
alternatives << QString::fromLatin1("opus.dll");
#endif
foreach (const QString &lib, alternatives) {
qlOpus.setFileName(MumbleApplication::instance()->applicationVersionRootPath() + QLatin1String("/") + lib);
if (qlOpus.load()) {
bValid = true;
break;
}
#ifdef Q_OS_MAC
qlOpus.setFileName(QApplication::instance()->applicationDirPath() + QLatin1String("/../Codecs/") + lib);
if (qlOpus.load()) {
bValid = true;
break;
}
#endif
#ifdef MUMBLE_LIBRARY_PATH
qlOpus.setFileName(QLatin1String(MUMTEXT(MUMBLE_LIBRARY_PATH) "/") + lib);
if (qlOpus.load()) {
bValid = true;
break;
}
#endif
qlOpus.setFileName(lib);
if (qlOpus.load()) {
bValid = true;
break;
}
}
RESOLVE(opus_get_version_string);
RESOLVE(opus_encode);
RESOLVE(opus_decode_float);
RESOLVE(opus_encoder_create);
RESOLVE(opus_encoder_ctl);
RESOLVE(opus_encoder_destroy);
RESOLVE(opus_decoder_create);
RESOLVE(opus_decoder_ctl);
RESOLVE(opus_decoder_destroy);
RESOLVE(opus_decoder_get_nb_samples);
RESOLVE(opus_packet_get_samples_per_frame);
}
OpusCodec::~OpusCodec() {
qlOpus.unload();
}
bool OpusCodec::isValid() const {
return bValid;
}
void OpusCodec::report() const {
qDebug("%s from %s", opus_get_version_string(), qPrintable(qlOpus.fileName()));
}
#undef RESOLVE
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