Building WebRTC for Android – 夏天人字拖

ENV
Ubuntu

入门以及下载源码
https://webrtc.org/native-code/development/
https://webrtc.org/native-code/android/

gclient config --name=src https://chromium.googlesource.com/external/webrtc.git
echo "target_os = ['android']" >> .gclient
gclient sync --force

gclient runhooks --force

查看支持的参数列表

gn args --list out/Debug

设置参数

gn gen out/Debug --args='target_os="android" rtc_include_tests=false enable_nocompile_tests=true libyuv_include_tests=false'

开始编译

ninja -C out/Debug 或者 ninja -C out/Release

内存不够的时候就用 -j1 或者 -j2

需要使用项目自带的一些工具的时候需要执行

source ./build/android/envsetup.sh

可能出现的问题

guohai@ubuntu:/home/guohai/WebRTC/src$ ninja -C out/Debug
ninja: Entering directory `out/Debug'
[4/3003] ACTION //base:android_runtime_jni_headers__jni_Runtime(//build/toolchain/android:android_clang_arm)
FAILED: gen/base/android_runtime_jni_headers/base/jni/Runtime_jni.h 
python ../../base/android/jni_generator/jni_generator.py --jar_file ../../third_party/android_tools/sdk/platforms/android-28/android.jar --input_file java/lang/Runtime.class --ptr_type=long --output_dir gen/base/android_runtime_jni_headers/base/jni --includes ../../../../../../../base/android/jni_generator/jni_generator_helper.h
Traceback (most recent call last):
  File "../../base/android/jni_generator/jni_generator.py", line 1405, in <module>
    sys.exit(main(sys.argv))
  File "../../base/android/jni_generator/jni_generator.py", line 1401, in main
    GenerateJNIHeader(input_file, output_file, options)
  File "../../base/android/jni_generator/jni_generator.py", line 1308, in GenerateJNIHeader
    jni_from_javap = JNIFromJavaP.CreateFromClass(input_file, options)
  File "../../base/android/jni_generator/jni_generator.py", line 773, in CreateFromClass
    stderr=subprocess.PIPE)
  File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
Java 环境变量没有设置好，这里需要 javap 命令

/home/guohai/WebRTC/src/third_party/android_tools/sdk//build-tools/22.0.0/aapt: error while loading shared libraries: libz.so.1: cannot open shared object file: No such file or directory
sudo apt-get install lib32z1

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