前言：

Learn Gst 目标在于学习 gstreamer 和 glib。

目前规划工程结构有两个：

自己联系的一些plugin
plugin的测试工程

工程结构及工程文件：

./CMakeList.txt

add_subdirectory(MyPlugins)
add_subdirectory(Tester)

./MyPlugins/CMakeList.txt

#cmake version
cmake_minimum_required(VERSION 3.10)#project name , not target name
project(GstMyPluginProject)#local vars
set(CMAKE_CXX_STANDARD 11)  #c++ 11
set(PLUGIN_INSTALL_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../_OUTPUT) #plugin install path
set(UTIL_CODE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../Utils)
set(MODS_CODE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../Modules)#env var
if(NOT DEFINED ENV{GST_PLUGIN_PATH})set(ENV(GST_PLUGIN_PATH) ${PLUGIN_INSTALL_PATH})    #set GST_PLUGIN_PATH with plugin-install-path and export
endif()#pathes of source files search for
#aux_source_directory(${CMAKE_SOURCE_DIR} all_cpp_file)#target and all source files target depends on
add_library(gstmyplugin SHAREDGstMyFilter.cppGstMyPlugin.cppGstMyEsSrc.cpp${UTIL_CODE_PATH}/miscs.cpp${UTIL_CODE_PATH}/log.cpp${MODS_CODE_PATH}/esfilereader.cpp
)set_target_properties(gstmyplugin PROPERTIES LINKER_LANGUAGE CXX)#make install
install(TARGETS gstmyplugin DESTINATION ${PLUGIN_INSTALL_PATH})#pathes of head files search for
target_include_directories(gstmyplugin PUBLIC#system/usr/include#gstreamer/usr/include/gstreamer-1.0#glib/usr/lib/x86_64-linux-gnu/glib-2.0/include/usr/include/glib-2.0#user defined${CMAKE_CURRENT_SOURCE_DIR}/../Utils${CMAKE_CURRENT_SOURCE_DIR}/../Modules
)#pathes of static link search for
link_directories()#libs in use
target_link_libraries(gstmyplugin
#        -lavcodec
#        libeXosip2.a-lglog-lgstreamer-1.0-lgstbase-1.0 #base plugin ,lack of this will fail with "undefined symbol: gst_push_src_get_type"-lglib-2.0-lgobject-2.0
)#predefined macroS
ADD_DEFINITIONS(-D LINUX)
ADD_DEFINITIONS("-g")

./Tester/CMakeList.txt

#cmake version
cmake_minimum_required(VERSION 3.10)#local vars
set(CMAKE_CXX_STANDARD 11)
set(INSTALL_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../_OUTPUT) #install path
set(UTIL_CODE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../Utils)#pathes of static link search for
link_directories(#gstreamer#/home/ubuntu/_WORKSPACE/deps/gstreamer-1.18-all/lib/x86_64-linux-gnu
)#project name
project(main)#target and all source files target depends on
add_executable(main main.cpp${UTIL_CODE_PATH}/log.cpp
)#pathes of head files search for
target_include_directories(main PUBLIC#system/usr/include#gstreamer/usr/include/gstreamer-1.0#glib/usr/include/glib-2.0/usr/lib/x86_64-linux-gnu/glib-2.0/include#self def${CMAKE_CURRENT_SOURCE_DIR}/../Utils${CMAKE_CURRENT_SOURCE_DIR}/../MyPlugins
)#libs in use
target_link_libraries(main-lgstreamer-1.0-lglib-2.0-lgobject-2.0-lgstaudio-1.0-lgstpbutils-1.0-lgstvideo-1.0-lglog
)#predefined macro
ADD_DEFINITIONS(-D LINUX)
ADD_DEFINITIONS("-g")#make install
install(TARGETS main DESTINATION ${INSTALL_PATH})

clean.sh

#!/bin/shrm -rf ./BUILD/*
rm -rf ./_OUTPUT/lib*
rm -rf ./_OUTPUT/main

make.sh

#!/bin/shcd _BUILD
cmake ../ && make && make install
cd ../

run.sh

#!/bin/shcd _OUTPUT
./main && cd ../

setenv.sh

#!/bin/shecho "add following statment to .bashrc -> export GST_PLUGIN_PATH=$GST_PLUGIN_PATH/:$PWD/_OUTPUT/"

tail.sh

#! /bin/shcd _OUTPUT/log/ && tail -f -n 100 test.INFO

Readme

# LearnGst
learn gst# make
./make.sh# run
./run.sh

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[Learn Gst] 工程结构

前言：

工程结构及工程文件：

./CMakeList.txt

./MyPlugins/CMakeList.txt

./Tester/CMakeList.txt

clean.sh

make.sh

run.sh

setenv.sh

tail.sh

Readme

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