Macos 将Qt项目移植到Mac时没有声音和其他问题
我正在尝试将这个项目移植到MacOSX10.8.5，它最初是在WindowsVista和Windows7上设计和测试的，我严格遵守Qt框架 在使用clang编译器使用Qt Creator 5.1.1进行编译之后，我在调试模式下运行了该项目，在应用程序启动之前出现了许多奇怪的错误Macos 将Qt项目移植到Mac时没有声音和其他问题,macos,qt,audio,porting,qmediaplayer,Macos,Qt,Audio,Porting,Qmediaplayer,我正在尝试将这个项目移植到MacOSX10.8.5，它最初是在WindowsVista和Windows7上设计和测试的，我严格遵守Qt框架 在使用clang编译器使用Qt Creator 5.1.1进行编译之后，我在调试模式下运行了该项目，在应用程序启动之前出现了许多奇怪的错误 objc[3522]: Class AVFCaptureFramesDelegate is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/m
objc[3522]: Class AVFCaptureFramesDelegate is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera_debug.dylib. One of the two will be used. Which one is undefined.
objc[3522]: Class AVFMediaRecorderDelegate is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera_debug.dylib. One of the two will be used. Which one is undefined.
objc[3522]: Class AVFCameraSessionObserver is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera_debug.dylib. One of the two will be used. Which one is undefined.
objc[3522]: Class AVFMediaPlayerSessionObserver is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfmediaplayer.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfmediaplayer_debug.dylib. One of the two will be used. Which one is undefined.
objc[3522]: Class TransparentQTMovieView is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine_debug.dylib. One of the two will be used. Which one is undefined.
objc[3522]: Class HiddenQTMovieView is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine_debug.dylib. One of the two will be used. Which one is undefined.
objc[3522]: Class QTMovieObserver is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine_debug.dylib. One of the two will be used. Which one is undefined.
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Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtmultimedia/src/plugins/audiocapture/.obj/debug-shared/moc_audioinputselector.o" - no debug information available for ".moc/debug-shared/moc_audioinputselector.cpp".
Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtmultimedia/src/plugins/audiocapture/.obj/debug-shared/moc_audiocaptureservice.o" - no debug information available for ".moc/debug-shared/moc_audiocaptureservice.cpp".
Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtmultimedia/src/plugins/audiocapture/.obj/debug-shared/moc_audiocaptureserviceplugin.o" - no debug information available for ".moc/debug-shared/moc_audiocaptureserviceplugin.cpp".
Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtmultimedia/src/plugins/audiocapture/.obj/debug-shared/moc_audiocapturesession.o" - no debug information available for ".moc/debug-shared/moc_audiocapturesession.cpp".
Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtmultimedia/src/plugins/audiocapture/.obj/debug-shared/moc_audiocaptureprobecontrol.o" - no debug information available for ".moc/debug-shared/moc_audiocaptureprobecontrol.cpp".
objc[3570]: Class AVFCaptureFramesDelegate is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera_debug.dylib. One of the two will be used. Which one is undefined.
objc[3570]: Class AVFMediaRecorderDelegate is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera_debug.dylib. One of the two will be used. Which one is undefined.
objc[3570]: Class AVFCameraSessionObserver is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfcamera_debug.dylib. One of the two will be used. Which one is undefined.
objc[3570]: Class AVFMediaPlayerSessionObserver is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfmediaplayer.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqavfmediaplayer_debug.dylib. One of the two will be used. Which one is undefined.
objc[3570]: Class TransparentQTMovieView is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine_debug.dylib. One of the two will be used. Which one is undefined.
objc[3570]: Class HiddenQTMovieView is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine_debug.dylib. One of the two will be used. Which one is undefined.
objc[3570]: Class QTMovieObserver is implemented in both /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine.dylib and /Users/***/Qt5.1.1/5.1.1/clang_64/plugins/mediaservice/libqqt7engine_debug.dylib. One of the two will be used. Which one is undefined.
Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtsvg/src/plugins/iconengines/svgiconengine/.obj/debug-shared/main.o" - no debug information available for "main.cpp".
Could not find object file "/Users/bld.qt/bamboo-agent-home/xml-data/build-dir/DQTC-LGPLRELEASEBUILD510-OSX106/qt5_workdir/w/s/qtsvg/src/plugins/iconengines/svgiconengine/.obj/debug-shared/qsvgiconengine.o" - no debug information available for "qsvgiconengine.cpp".
cache()
#-------------------------------------------------
#
# Project created by QtCreator 2013-10-28T05:20:59
#
#-------------------------------------------------
QT += core gui multimedia
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = AlarmClock
TEMPLATE = app
SOURCES += main.cpp\
windowmain.cpp
HEADERS += windowmain.h
FORMS += windowmain.ui
RESOURCES += \
resources.qrc
OTHER_FILES += \
Alarm.rc
win32:RC_FILE += Alarm.rc
#include <QMediaPlayer>
...
QMediaPlayer* player;
应该注意的是，它在Windows上运行得非常好，我认为Qt会把我mac上的编译搞得一团糟。问题在于错误消息，如果你仔细阅读，它就不会那么奇怪了。只需在第一行中比较以下路径：- 类AVFCaptureFramesDelegate在两个 libqavfcamera.dylib和libqavfcamera_uu调试.dylib
因此，链接库的发布版本和调试版本混合在一起，这很可能是导致出现不一致的原因。把这些整理好，错误就会消失，你的声音也会回来。问题在于错误信息，如果你仔细阅读，它就不会那么奇怪了。只需在第一行中比较以下路径：- 类AVFCaptureFramesDelegate在两个 libqavfcamera.dylib和libqavfcamera_uu调试.dylib
因此，链接库的发布版本和调试版本混合在一起，这很可能是导致出现不一致的原因。解决这个问题，错误就会消失，你的声音应该会回来。在发布模式下警告会消失吗？另外，尝试提供一个简单的示例，而不是链接到github。是的，它在发布模式下也会这样做。我很乐意给出一个最小的例子，但我不确定你的意思，因为文件相当大，在其中给出一个或两个方法没有多大意义。我添加了一些在我的程序中提到的声音作为最小的例子，这就是你所说的最小的例子吗？警告在发布模式下会消失吗？还有，尝试提供一个简单的例子，而不是链接到github。是的，它在发布模式下也做同样的事情。我很乐意给出一个简单的例子，但我不确定你的意思，因为这个文件相当大，在其中给出一个或两个方法没有多大意义。我添加了一些在我的程序中提到的声音，作为一个简单的例子，这就是你所说的一个简单的例子吗？我尝试过整理它，我在谷歌上找不到任何关于两个被链接的库的东西，我已经三次检查了所有的构建参数和所有东西。一切看起来都很好，但似乎都不起作用。我在调试和发布时都会遇到相同的错误。在清除了release或debug文件夹中的所有内容后，它又提出了另一个抱怨，即该版本的OSX不受支持，这让我很难相信，因为我运行的是OSX 10.8.5，而Qt说clang支持10.6及以上版本。我完全迷路了。你能把你的.pro的内容添加到问题中吗？我从gibhub下载了你的项目（看起来不错！）。从.pro中删除行“greaterThan（QT_MAJOR_VERSION，4）：QT+=widgets”后，它为我构建并运行良好，但我没有听到任何声音。我注意到的一件事是，资源中有声音文件。除非对Qt 5进行了更改，否则从从未使用过的资源加载音频文件是可行的。另外请注意，在连接播放机的错误信号，然后使用player->errorString（）获取错误时，它表示在尝试加载媒体文件时找不到该文件。您是否在Mac或Windows上测试声音，在Windows上，声音对我来说很好，因此我从未想过测试错误，在Mac上，我从未想过测试错误，因为有一百万个错误。谢谢，我将进行测试，看看是否会出现相同的错误，但我该如何处理所有其他错误。我尝试过对其进行分类，我在Google上的两个链接库上都找不到任何东西，我已经对所有构建参数和所有内容进行了三次检查。一切看起来都很好，但似乎都不起作用。我在调试和发布时都会遇到相同的错误。在清除了release或debug文件夹中的所有内容后，它又提出了另一个抱怨，即该版本的OSX不受支持，这让我很难相信，因为我运行的是OSX 10.8.5，而Qt说clang支持10.6及以上版本。我完全迷路了。你能把你的.pro的内容添加到问题中吗？我从gibhub下载了你的项目（看起来不错！）。从.pro中删除行“greaterThan（QT_MAJOR_VERSION，4）：QT+=widgets”后，它为我构建并运行良好，但我没有听到任何声音。我注意到的一件事是，资源中有声音文件。除非对Qt 5进行了更改，否则从从未使用过的资源加载音频文件是可行的。另外请注意，在连接播放机的错误信号，然后使用player->errorString（）获取错误时，它表示在尝试加载媒体文件时找不到该文件。您是否在Mac或Windows上测试声音，在Windows上，声音对我来说很好，因此我从未想过测试错误，在Mac上，我从未想过测试错误，因为有一百万个错误。谢谢，我会进行测试，看看是否会出现同样的错误，但是d是什么
player(new QMediaPlayer(this)),
...
player->setMedia(QUrl("qrc:///sound"));
...
player->play();