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thestk / rtaudio

A set of C++ classes that provide a common API for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio and OSS), Macintosh OS X (CoreAudio and JACK), and Windows (DirectSound, ASIO, and WASAPI) operating systems.
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Missing symbols in version >= 6 #406

Closed terminator356 closed 1 year ago

terminator356 commented 1 year ago

Hello. We have used rtaudio for several years now.

Today I tried building and installing either version 6.0.0 or 6.0.1 No errors. Seems fine.

I have added the necessary support for >=6 in our app. Minor changes, really. Three places: Error returns, and checking if the DeviceInfo ID is non-zero instead of checking the old 'probed' member.

But when building our app I am now getting four missing rtaudio library symbols, as shown in the printouts below: RtAudio::RtAudio (constructor), RtApi::getDeviceInfo, RtAudio::openStream, and RtApi::getDeviceCount.

I've checked and tried everthing I can think of. Any ideas what could be wrong? Thanks.

Some output: 

Our cmake configuration script output:
======================================
-- Checking for module 'rtaudio>=5.0'
--   Found rtaudio, version 6.0.0
Diagnostic printout of the contents of ${RTAUDIO_LIBRARIES}:
rtaudio libs: rtaudio

Contents of cmake link.txt in the build directory of the offending error (showing that -lrtaudio is included):
==============================================================================================================
/usr/bin/c++ -fPIC  -Werror=format-security -Wextra -Winvalid-pch -fexceptions -Wall -fPIC -O0 -g -g -DQT_DEBUG -Werror 
-shared -Wl,-soname,libmuse_driver.so -o libmuse_driver.so CMakeFiles/driver.dir/alsamidi.cpp.o CMakeFiles/driver.dir
/alsatimer.cpp.o CMakeFiles/driver.dir/audiodev.cpp.o CMakeFiles/driver.dir/dummyaudio.cpp.o CMakeFiles/driver.dir
/jack.cpp.o CMakeFiles/driver.dir/jackmidi.cpp.o CMakeFiles/driver.dir/posixtimer.cpp.o CMakeFiles/driver.dir/rtaudio.cpp.o 
CMakeFiles/driver.dir/rtctimer.cpp.o  
-Wl,-rpath,/home/me/muse_20220930/lib/muse-4.1/modules -lasound -ljack -ljack /usr/lib64/libQt5UiTools.a 
-lrtaudio ../mplugins/libmuse_mplugins.so ../widgets/libmuse_widgets.so /usr/lib64/libQt5UiTools.a 
/usr/lib64//libQt5Widgets.so /usr/lib64//libQt5Gui.so /usr/lib64//libQt5Core.so /usr/lib64//libQt5Widgets.so 
/usr/lib64//libQt5Gui.so /usr/lib64//libQt5Core.so /usr/lib64/libGL.so /usr/lib64/libQt5Xml.so.5.15.2 
/usr/lib64/libQt5Svg.so.5.15.2 /usr/lib64/libQt5Widgets.so.5.15.2 /usr/lib64/libQt5Gui.so.5.15.2 
/usr/lib64/libQt5Core.so.5.15.2

Results of compiling and linking:
=================================
Consolidate compiler generated dependencies of target muse
[ 99%] Linking CXX executable muse4
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: driver/libmuse_driver.so: undefined reference to `RtAudio::RtAudio(RtAudio::Api, std::function<void (RtAudioErrorType, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&&)'
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: driver/libmuse_driver.so: undefined reference to `RtApi::getDeviceInfo(unsigned int)'
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: driver/libmuse_driver.so: undefined reference to `RtAudio::openStream(RtAudio::StreamParameters*, RtAudio::StreamParameters*, unsigned long, unsigned int, unsigned int*, int (*)(void*, void*, unsigned int, double, unsigned int, void*), void*, RtAudio::StreamOptions*)'
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: driver/libmuse_driver.so: undefined reference to `RtApi::getDeviceCount()'
collect2: error: ld returned 1 exit status
make[2]: *** [muse/CMakeFiles/muse.dir/build.make:412: muse/muse4] Error 1
make[1]: *** [CMakeFiles/Makefile2:2240: muse/CMakeFiles/muse.dir/all] Error 2
make: *** [Makefile:156: all] Error 2
*** Échec : Code de sortie 2 ***

What's inside librtaudio?
objdump -TC /usr/local/lib64/librtaudio.so.6.0.0
=================================================

/usr/local/lib64/librtaudio.so.6.0.0:     format de fichier elf64-x86-64

DYNAMIC SYMBOL TABLE:
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0000000000000000      DF *UND*  0000000000000000  GLIBCXX_3.4.21 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::compare(char const*) const
0000000000000000      DF *UND*  0000000000000000  ALSA_0.9    snd_ctl_card_info
0000000000000000      DF *UND*  0000000000000000  ALSA_0.9    snd_pcm_sw_params_set_silence_threshold
0000000000000000      DF *UND*  0000000000000000  GLIBCXX_3.4 std::ios_base::ios_base()
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0000000000000000      DF *UND*  0000000000000000  PULSE_0     pa_proplist_gets
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0000000000000000      DF *UND*  0000000000000000  ALSA_0.9    snd_pcm_writei
0000000000000000      DF *UND*  0000000000000000  ALSA_0.9    snd_pcm_hw_params
0000000000000000      DF *UND*  0000000000000000              jack_get_ports
0000000000000000      DF *UND*  0000000000000000              jack_activate
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0000000000000000      DF *UND*  0000000000000000              jack_on_shutdown
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0000000000000000      DF *UND*  0000000000000000  GLIBCXX_3.4.11 std::ctype<char>::_M_widen_init() const
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0000000000000000      DF *UND*  0000000000000000  ALSA_0.9    snd_pcm_info_get_id
0000000000000000      DF *UND*  0000000000000000  GLIBC_2.2.5 free
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000000000000f600 g    DF .text  0000000000000302  Base        RtApi::RtApi()
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0000000000019e50  w   DF .text  0000000000000235  Base        void std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int> > >::_M_realloc_insert<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int> >(__gnu_cxx::__normal_iterator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>*, std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int> > > >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&&)
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0000000000009f60 g    DF .text  0000000000000011  Base        RtAudio::~RtAudio()
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0000000000018aa0  w   DF .text  0000000000000003  Base        std::ctype<char>::do_widen(char) const
000000000000f950 g    DF .text  0000000000000041  Base        RtApiJack::RtApiJack()
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0000000000019da0  w   DF .text  00000000000000ab  Base        void std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >::emplace_back<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >(std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&&)
0000000000018bd0  w   DF .text  0000000000000055  Base        std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::~vector()
000000000000b680 g    DF .text  00000000000002e9  Base        RtApiPulse::stopStream()
0000000000018d90  w   DF .text  0000000000000248  Base        void std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::_M_realloc_insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>(__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
0000000000010d70 g    DF .text  00000000000005ad  Base        RtAudio::RtAudio(RtAudio::Api, std::function<void (RtAudioErrorType, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>&&)
0000000000009f00 g    DF .text  000000000000005f  Base        RtAudio::getCompiledApiByDisplayName(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
000000000001a3f0 g    DF .text  000000000000009c  Base        rtaudio_create
000000000001a2c0 g    DF .text  000000000000001f  Base        rtaudio_api_display_name
000000000000aa90 g    DF .text  0000000000000442  Base        RtApiAlsa::startStream()
000000000001a9d0 g    DF .text  000000000000001c  Base        rtaudio_stop_stream
000000000001d464 g    DO .rodata    0000000000000004  Base        rtaudio_num_compiled_apis
000000000001a9f0 g    DF .text  000000000000001c  Base        rtaudio_abort_stream
000000000000c370 g    DF .text  0000000000000029  Base        RtApiJack::~RtApiJack()
000000000000a5a0 g    DF .text  00000000000000b0  Base        RtApiJack::abortStream()
000000000000c650 g    DF .text  0000000000000097  Base        RtApi::formatBytes(unsigned long)
000000000001a280 g    DF .text  000000000000000a  Base        rtaudio_get_num_compiled_apis
000000000001aa30 g    DF .text  0000000000000014  Base        rtaudio_is_stream_running
000000000000a390 g    DF .text  0000000000000113  Base        RtApi::error(RtAudioErrorType)
0000000000019430  w   DF .text  00000000000001d2  Base        std::vector<RtAudio::DeviceInfo, std::allocator<RtAudio::DeviceInfo> >::_M_erase(__gnu_cxx::__normal_iterator<RtAudio::DeviceInfo*, std::vector<RtAudio::DeviceInfo, std::allocator<RtAudio::DeviceInfo> > >)
0000000000009c50 g    DF .text  0000000000000042  Base        RtAudio::getCompiledApi(std::vector<RtAudio::Api, std::allocator<RtAudio::Api> >&)
000000000000bf90 g    DF .text  00000000000000fb  Base        RtApiPulse::closeStream()
000000000001d480 g    DO .rodata    0000000000000038  Base        RtApi::SAMPLE_RATES
000000000001d470 g    DO .rodata    0000000000000010  Base        rtaudio_compiled_apis
000000000000c5b0 g    DF .text  000000000000007c  Base        RtApiAlsa::~RtApiAlsa()
0000000000009c20 g    DF .text  0000000000000022  Base        RtAudio::getVersion[abi:cxx11]()
000000000001a490 g    DF .text  0000000000000022  Base        rtaudio_destroy
000000000000c090 g    DF .text  000000000000008e  Base        RtApiPulse::~RtApiPulse()
000000000000f9a0 g    DF .text  00000000000000ef  Base        RtAudio::openRtApi(RtAudio::Api)
0000000000021b90  w   DO .data.rel.ro   0000000000000078  Base        vtable for RtApiJack
0000000000011d90 g    DF .text  0000000000000e91  Base        RtApiPulse::probeDevices()
0000000000018b20  w   DF .text  000000000000002a  Base        RtAudio::DeviceInfo::~DeviceInfo()
000000000000a720 g    DF .text  000000000000036d  Base        RtApiJack::startStream()
0000000000019610  w   DF .text  00000000000002fc  Base        void std::vector<RtApiPulse::PaDeviceInfo, std::allocator<RtApiPulse::PaDeviceInfo> >::_M_realloc_insert<RtApiPulse::PaDeviceInfo const&>(__gnu_cxx::__normal_iterator<RtApiPulse::PaDeviceInfo*, std::vector<RtApiPulse::PaDeviceInfo, std::allocator<RtApiPulse::PaDeviceInfo> > >, RtApiPulse::PaDeviceInfo const&)
000000000000eae0 g    DF .text  0000000000000121  Base        RtApi::byteSwapBuffer(char*, unsigned int, unsigned long)
000000000001a9b0 g    DF .text  000000000000001c  Base        rtaudio_start_stream
000000000000e050 g    DF .text  00000000000004b7  Base        RtApiJack::callbackEvent(unsigned long)
0000000000019910  w   DF .text  0000000000000157  Base        void std::vector<int, std::allocator<int> >::_M_realloc_insert<int const&>(__gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >, int const&)
0000000000009f80 g    DF .text  000000000000017a  Base        RtApi::~RtApi()
0000000000015550 g    DF .text  00000000000005e4  Base        RtApi::setConvertInfo(RtApi::StreamMode, unsigned int)
0000000000009ca0 g    DF .text  00000000000000e5  Base        RtAudio::getApiName[abi:cxx11](RtAudio::Api)
000000000001aad0 g    DF .text  0000000000000012  Base        rtaudio_get_stream_sample_rate
0000000000018b90  w   DF .text  0000000000000032  Base        RtApiPulse::PaDeviceInfo::~PaDeviceInfo()
000000000000e530 g    DF .text  0000000000000519  Base        RtApiPulse::callbackEvent()
0000000000018b50  w   DF .text  0000000000000032  Base        std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >::~pair()
000000000001aaf0 g    DF .text  0000000000000010  Base        rtaudio_show_warnings
0000000000009f60 g    DF .text  0000000000000011  Base        RtAudio::~RtAudio()
00000000000098f0 g    DF .text  0000000000000001  Base        RtApi::probeDevices()
0000000000009900 g    DF .text  0000000000000003  Base        RtApi::probeDeviceOpen(unsigned int, RtApi::StreamMode, unsigned int, unsigned int, unsigned int, unsigned long, unsigned int*, RtAudio::StreamOptions*)
0000000000018ad0  w   DF .text  0000000000000006  Base        RtApiAlsa::getCurrentApi()
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000000000001aab0 g    DF .text  0000000000000012  Base        rtaudio_get_stream_latency
000000000001a650 g    DF .text  000000000000000c  Base        rtaudio_get_default_input_device
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000000000000a1e0 g    DF .text  00000000000001ab  Base        escapeJackPortRegex(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&)
0000000000010c80 g    DF .text  00000000000000e6  Base        RtApi::getDeviceNames[abi:cxx11]()
000000000001aa10 g    DF .text  0000000000000014  Base        rtaudio_is_stream_open
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000000000001d500  w   DO .rodata    000000000000000d  Base        typeinfo name for RtApiPulse
0000000000011320 g    DF .text  0000000000000a6b  Base        RtApiJack::probeDevices()
000000000001aa90 g    DF .text  0000000000000013  Base        rtaudio_set_stream_time
000000000001a660 g    DF .text  000000000000033c  Base        rtaudio_open_stream
000000000000f910 g    DF .text  000000000000003a  Base        RtApiAlsa::RtApiAlsa()
000000000000a190 g    DF .text  000000000000002a  Base        RtApi::getStreamLatency()
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000000000000c630 g    DF .text  0000000000000012  Base        RtApiAlsa::~RtApiAlsa()
000000000001a4c0 g    DF .text  000000000000000c  Base        rtaudio_current_api
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000000000001a090  w   DF .text  0000000000000157  Base        void std::vector<int, std::allocator<int> >::_M_realloc_insert<int>(__gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >, int&&)
0000000000018af0  w   DF .text  0000000000000021  Base        std::_Function_base::~_Function_base()
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0000000000018b20  w   DF .text  000000000000002a  Base        RtAudio::DeviceInfo::~DeviceInfo()
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terminator356 commented 1 year ago

Until today I have been using my distro's rtaudio package which is version 5.1.0 So just to be sure, I built and installed rtaudio 5.2.0 This time our app finishes compilation and linking OK.

So definitely version >= 6 is giving me the above stated trouble. Thanks.

garyscavone commented 1 year ago

As far as I know, nothing changed in the build system in going from version 5 to version 6. Do the programs in the tests/ directory compile and link for you?

terminator356 commented 1 year ago

Yes, I just tested the 'playsaw' test. I hear the saw OK.

Strange. I thought that maybe we must grab the RTAUDIO_CFLAGS that cmake passes to us from the package config (.pc) file, and add them to our app's flags. LINUX_ALSA, LINUX_PULSE etc. That did not work. Version 6 still did not allow the app to finish linking. Although with version 5.2.0, it did suddenly make the various APIs in the header file visible. But it seems this step is not really necessary for normal operation.

I am baffled. I tried all day, no luck.

terminator356 commented 1 year ago

Success!

I was forced to remove my distro's rtaudio package! Our app was linking with the wrong library.

This should not happen. User-built versions of software in /usr/local are usually never interfered with by packaged versions in /usr.

I think the problem is version numbering. The packaged version was 5.1.0, and that is what it says in its .pc file. But the actual library files are labelled as 6.0.1 Meanwhile my built 6.0.1 version says 6.0.1 in its .pc file. But the actual library files are labelled as 7.0.0

I think this caused my compiler great confusion. I think it went and looked at the local-built .pc file seeing 6.0.1 but then it actually linked the libraries labelled as 6.0.1 which are part of my distro's package.

I even tried manually typing ldconfig to be sure that the system was pointing to the correct files. In the distant past sometimes this was necessary after a build. But it did not help here.

I hope this experience gives an idea of how to proceed with the numbering scheme. It seems the version numbers in the .pc files should really match what the library file numbering says. Otherwise this is what can end up happening.

Thanks.

ntonnaett commented 1 year ago

The rtaudio.pc.in is using PACKAGE_VERSION and not the soversion. Versioning in CMake and Meson got some attention here. I just tested Meson and it also didn't do the right thing. How did you build rtaudio?

ntonnaett commented 1 year ago

My wording wasn't good. AFAIU the behavior right now is correct. I don't think the lookup of the shared object takes into account that there could be multiple versions installed. Correct me if I'm wrong! To make this work we would need to add the API version to the library name. Instead of rtaudio the dependency would be called rtaudio-6 and the library filename librtaudio-6.so.7.0.0.

https://github.com/pvanhoof/dir-examples

ntonnaett commented 1 year ago

I correct myself. It is too late. I was thinking about the build process. You have version 5.2 and 6.0. Your program depends on 6.0. So you take the pkgconfig file for it. That file doesn't know anything about soversions. It just adds the libdir path with prefix /usr/local. But you probably also link with -l /usr/lib64. So it finds your old version of rtaudio and fails.

Sorry for the spam!