Shell: Count the numbers of lines of code
Exclude empty & Comment lines.
Manage SSH Key
Generate SSH Key $ ssh-keygen -t rsa -C “[email protected]” Add Key $ ssh-add ~/.ssh/id_rsa Check Saved Keys ssh-add -l Delete All Keys ssh-add -D Start ssh agent If you get the error : “Could not open a connection to your authentication agent.” eval `ssh-agent -s`
VAO VBO VEO Template
GLfloat vertices[] = { 0.5f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, -0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, }; GLuint indices[] = { 0, 1, 3, 1, 2, 3 }; GLfloat texCoords[] […]
Android: use 32bit native libraries on 64bit device
Set abi filters in gradle file: android { …. defaultConfig { …. ndk { moduleName “module_name” abiFilters “armeabi”, “armeabi-v7a” } } } If getting NDK integration deprecated error, add one line to file named gradle.properties: android.useDeprecatedNdk=true
Common Usage of MP4Box
Dump Atom Infomation MP4Box -diso some.mp4
Build SOIL on Mac OS
cd projects/makefile mv makefile Makefile mkdir obj make
Partial Request via curl command
curl –header “Range: bytes=0-20000” http://file-url curl –header “Range: bytes=20001-36907” http://file-url
Android:Build x264 for arm64
export NDK=$ANDROID_NDK export PREBUILT_ARM64=$NDK/toolchains/aarch64-linux-android-4.9/prebuilt/darwin-x86_64 export X264_ANDROID_PREFIX_ARM64=$X264_BUILD_ROOT/output/arm64 function build_arm64 { ./configure \ –prefix=$X264_ANDROID_PREFIX_ARM64 \ –enable-static \ –enable-pic \ –host=aarch64-linux \ –cross-prefix=$PREBUILT_ARM64/bin/aarch64-linux-android- \ –sysroot=$PLATFORM_ARM64 make clean make make install echo “Build libx264 arm64 Finished !!!” } If you compile ffmpeg with libx264.a , you MUST use same NDK toolchains. Otherwise cannot link […]