I am trying to build voip app in Qt creator. I don't have much expirience at C++. I installed Qt and built and installed pjproject library. I added pjproject library with pkgconfig like this Adding library to qt project
Here is source code code on GitHub,
Here is my .pro file:
QT += quick
SOURCES += \
main.cpp
resources.files = main.qml
resources.prefix = /$${TARGET}
RESOURCES += resources
# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =
# Additional import path used to resolve QML modules just for Qt Quick Designer
QML_DESIGNER_IMPORT_PATH =
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
unix: CONFIG += link_pkgconfig
unix: PKGCONFIG += libpjproject
unix: PKGCONFIG += openssl
Inside pjproject directory I found ./pjsip-apps/src/samples/pjsua2_demo.cpp file with perfect skeleton code for my project, so I copied code from that file to my main file of the project.
This is error that I get:
Here are some lines of errors:
gsm.c:-1: error: undefined reference to gsm_decode' :-1: error: /usr/local/lib/libpjmedia-codec-x86_64-unknown-linux-gnu.a(gsm.o): in function gsm_codec_encode':
:-1: error: /usr/local/lib/libpjmedia-codec-x86_64-unknown-linux-gnu.a(speex_codec.o): in function spx_codec_decode': speex_codec.c:-1: error: undefined reference to speex_bits_read_from'
:-1: error: /usr/local/lib/libpjmedia-audiodev-x86_64-unknown-linux-gnu.a(alsa_dev.o): in function alsa_factory_refresh': alsa_dev.c:-1: error: undefined reference to snd_device_name_hint'
...
I tried running compiled version of pjsua2_demo.cpp and everything worked fine. Executable location ./pjsip-apps/bin/samples/x86_64-unknown-linux-gnu inside pjproject directory. I suspect that the problem is in including library and linking it to the project, but I am not sure how to do it.
Thanks in advance.
I haven't managed to find solution for .pro build file, so I decided to try with cmake. I found solution on this Stackoverflow question and combined it with comment of tsyvarev user.
Here is my cmake file from my project:
cmake_minimum_required(VERSION 3.16)
project(bjSip VERSION 0.1 LANGUAGES CXX)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
#set(CMAKE_CXX_STANDARD 17)
set(CMAKE_AUTORCC ON)
#adding pthread flags for pjsip
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Qt6 6.4 REQUIRED COMPONENTS Core Quick LinguistTools )
#qt_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} translationSR.ts)
#configure_file(${QM_FILES} ${CMAKE_SOURCE_DIR} COPYONLY)
#add pkgconfig tool for linking pjsip lib
INCLUDE(FindPkgConfig)
find_package(PkgConfig REQUIRED)
find_package(Threads REQUIRED)
find_package(OpenSSL REQUIRED)
pkg_check_modules(PJSIP "libpjproject")
add_definitions(${PJSIP_CFLAGS})
#adding paths to include dirs and static library
include_directories(${PJSIP_INCLUDE_DIRS})
include_directories(/cpp/include)
link_directories(${PJSIP_STATIC_LIBRARY_DIRS})
qt_standard_project_setup()
qt_add_executable(appbjSip
main.cpp
cpp/sip/bjendpoint.h cpp/sip/bjendpoint.cpp
cpp/sip/bjcall.h cpp/sip/bjcall.cpp
cpp/sip/bjaudiomediaport.h cpp/sip/bjaudiomediaport.cpp
cpp/sip/bjaccount.h cpp/sip/bjaccount.cpp
cpp/sip/bjsip.h cpp/sip/bjsip.cpp
Models/local-storage.js
Models/user-model.js
Models/contact-model.js
Models/call-history-model.js
Utils/changeBrightness.js
Utils/getBuddiesUsernames.js
Resources.qrc
${QM_FILES}
)
qt_add_qml_module(appbjSip
URI bjSip
VERSION 1.0
QML_FILES Main.qml
./Views/MenuView.qml
./Views/AndroidView.qml
./Views/DesktopView.qml
./Views/LoginView.qml
./Views/RegisterView.qml
./Views/CallView.qml
./Views/SettingView.qml
./Views/AppBar.qml
./Components/Forms/LoginForm.qml
./Components/Forms/RegisterForm.qml
./Components/Forms/AddNewContactForm.qml
./Components/Reusables/FontAwesomeIcons.qml
./Components/Reusables/ColorTheme.qml
./Components/Reusables/Icon.qml
./Components/Reusables/CustomTextField.qml
./Components/Reusables/CustomSpinBox.qml
./Components/Reusables/CustomButton.qml
./Components/Reusables/CustomLink.qml
./Components/Reusables/CustomText.qml
./Components/Reusables/CustomTabView.qml
./Components/Reusables/CustomTabButton.qml
./Components/Reusables/CustomComboBox.qml
./Components/Reusables/AvatarGroup.qml
./Components/Reusables/RoundedButton.qml
./Components/Reusables/Circle.qml
./Components/Reusables/Avatar.qml
./Components/Reusables/QuaterCircle.qml
./Components/Reusables/AppLogo.qml
./Components/Reusables/AppLogoWithText.qml
./Components/Users/ContactList.qml
./Components/Users/ContactListItem.qml
./Components/Users/AddNewContact.qml
./Components/Calls/VoiceCallUserBox.qml
./Components/Calls/CallAnswerButton/CallAnswerButton.qml
./Components/Calls/CallAnswerButton/CallAnswerButtonAnimatedBorder.qml
./Components/Calls/CallPendingScreen.qml
./Components/Calls/CallPendingDots/CallPendingDot.qml
./Components/Calls/CallPendingDots/CallPendingDots.qml
./Components/Calls/CallFooter.qml
./Components/Calls/CallGrid.qml
./Components/Calls/CallHistory.qml
./Components/Calls/CallHistoryItem.qml
./Components/Calls/CallEnded.qml
./Components/Calls/IncomingCallPopup/IncomingCallPopup.qml
./Models/AppState.qml
Resources.qrc
)
set_target_properties(appbjSip PROPERTIES
MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com
MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
MACOSX_BUNDLE TRUE
WIN32_EXECUTABLE TRUE
)
#linking with pjsip lib and other dependent libs
target_link_libraries(appbjSip PRIVATE ${PJSIP_STATIC_LIBRARIES})
target_link_libraries(appbjSip PRIVATE Threads::Threads)
target_link_libraries(appbjSip PRIVATE OpenSSL::Crypto)
target_link_libraries(appbjSip PRIVATE OpenSSL::SSL)
target_link_libraries(appbjSip
PRIVATE Qt6::Quick
)
install(TARGETS appbjSip
BUNDLE DESTINATION .
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
For other people with similar problem adapt cmake file for your needs, keeping lines with PJSIP variables.