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Android平台使用Camera和AudioRecord采集音视频数据,通过MediaCodec对音视频实施硬编码为H264码流和AAC码流,移植rtmpdump开源库通过Rtmp协议将音视频数据发送到流媒体服务器的直播方案

CMake 0.60% Java 2.55% Makefile 4.42% C++ 5.60% C 83.85% Tcl 0.01% Shell 0.48% Perl 0.62% Roff 0.83% HTML 1.05%

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Android平台上使用Camera和AudioRecord采集音视频数据,通过MediaCodec对音视频实施硬编码,移植rtmpdump开源库通过Rtmp协议将音视频数据发送到流媒体服务器的直播方案

使用到的api
音视频采集用到的api有:Camera、AudioRecord
编码用的是系统提供的API:MediaCodec (硬编码)
推送使用的开源库:librtmp

将AVC(h264)和AAC数据推送到srs流媒体服务器。实现方法是:
1、使用android自带的API采集摄像头数据
2、使用AudioRecord采集音频数据
3、使用MediaCodec对视频和音频分别进行硬编码为H264码流和AAC码流
4、然后使用ndk开发将编码后的数据通过librtmp发送出去

编译步骤:
安装ndk版本至少是r14
1 环境变量ANDROID_NDK_ROOT设置到PAHT中
2 cd jni/rtmpvedio/polarssl-1.2.14/
执行armeabi_or_v7a_build.sh脚本
3 cd jni/
执行ndk-build clean
执行ndk-build

运行步骤:
1 将MainActivity.java中IP地址192.168.1.101改为srs服务器所在的IP,android客户端ip和srs服务器在同一网络
2 下载srs服务器代码
3 cd srs/trunk
4 bash scripts/build.sh
5 bash scripts/run.sh
6 火狐浏览器打开srs网页客户端 如 http://192.168.1.101:8085
7 在srs网页客户端rtmp地址栏中输入rtmp://192.168.1.101:1935/zhongjihao/myh264
8 最后用AndroidStudio编译运行apk,点击开始即可在srs网页客户端上看到android客户端推送过来的视频
9 bash scripts/stop.sh 结束srs服务器运行

推送端: 三星C9上运行截图如下 afd

接收端: Srs流媒体客户端播放截图如下 fadf

接收端: Vlc客户端播放截图如下 fadf

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