欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

FFmpeg4.2.2和RTMP结合编译

程序员文章站 2022-06-06 17:44:25
...

一、编译librtmp

下载librtmp源码,在GitHub上下载:

FFmpeg4.2.2和RTMP结合编译

可以用git下载:

git clone https://github.com/yixia/librtmp.git

编译librtmp脚本:

#!/bin/bash

NDK_ROOT=/root/ndk/android-ndk-r17c

CPU=arm-linux-androideabi

TOOLCHAIN=$NDK_ROOT/toolchains/$CPU-4.9/prebuilt/linux-x86_64

export XCFLAGS="-isysroot $NDK_ROOT/sysroot -isystem $NDK_ROOT/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=17"
export XLDFLAGS="--sysroot=${NDK_ROOT}/platforms/android-17/arch-arm "
export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi-

make install SYS=android prefix=`pwd`/result CRYPTO= SHARED=  XDEF=-DNO_SSL 

二、修改FFmpeg Configure:

最新版本的ffmpeg默认使用clang编译,可以修改configure文件来关闭:

注释4210-4213行,关闭掉:
4209 
4210 #set_default target_os
4211 #if test "$target_os" = android; then
4212 #   cc_default="clang"
4213 #fi
4214 

由于ffmpeg 默认开启librtmp需要pkgconfig,这里我们手动关闭,修改ffmpeg的configure文件:

注释掉6256行:
6254 enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6255 enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6256 #enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6257 enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && app     end librubberband_extralibs "-lstdc++"

三、编译FFmpeg

FFmpeg的编译脚本:

#!/bin/bash

NDK_ROOT=/root/ndk/android-ndk-r17c

CPU=arm-linux-androideabi

TOOLCHAIN=$NDK_ROOT/toolchains/$CPU-4.9/prebuilt/linux-x86_64

ANDROID_API=17

PREFIX=./android/armeabi-v7a/ffmpeg_rtmp

#配置rtmp库的路径
RTMP=/root/rtmp/librtmp/result

./configure \
--prefix=$PREFIX \
--enable-small \
--disable-programs \
--disable-avdevice \
--disable-encoders \
--disable-muxers \
--disable-filters \
--enable-librtmp \
--enable-cross-compile \
--cross-prefix=$TOOLCHAIN/bin/$CPU- \
--disable-shared \
--enable-static \
--sysroot=$NDK_ROOT/platforms/android-$ANDROID_API/arch-arm \
--extra-cflags="-isysroot $NDK_ROOT/sysroot -isystem $NDK_ROOT/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=$ANDROID_API -U_FILE_OFFSET_BITS -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security  -O0 -fPIC -I$RTMP/include" \
--extra-ldflags="-L$RTMP/lib" \
--extra-libs="-lrtmp" \
--arch=arm \
--target-os=android 

make clean

make install

四、集成到AndroidStudio

FFmpeg4.2.2和RTMP结合编译

CMakeLists.txt:

# 导入FFmpeg的头文件
include_directories(${CMAKE_SOURCE_DIR}/ffmpeg/include)

# 导入FFmpeg的库文件
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -L${CMAKE_SOURCE_DIR}/ffmpeg/libs/${CMAKE_ANDROID_ARCH_ABI}")

# 导入Rtmp的库文件
set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -L${CMAKE_SOURCE_DIR}/rtmp/libs/${CMAKE_ANDROID_ARCH_ABI}")

target_link_libraries(
        my-player
        ${log-lib}
        -Wl,--start-group
        avcodec avfilter avformat avutil swresample swscale
        -Wl,--end-group
        z
)

相关标签: NDK