Android ffmpeg rtmp (source code)

Souce Code:

Android.mk

Compile to generate the so file that the APK needs to call

Local_path:= $ (call My-dir) include $ (clear_vars) local_module:= libavcodeclocal_src_files:= lib/ Libavcodec-57.solocal_export_c_includes: = $ (Local_path)/includeinclude $ (prebuilt_shared_library) include $ (CLEAR_ VARS) local_module:= libavformatlocal_src_files:= lib/libavformat-57.solocal_export_c_includes: = $ (LOCAL_PATH)/ Includeinclude $ (prebuilt_shared_library) include $ (clear_vars) local_module:= libswscalelocal_src_files:= lib/ Libswscale-4.solocal_export_c_includes: = $ (Local_path)/includeinclude $ (prebuilt_shared_library) include $ (CLEAR_ VARS) local_module:= libavutillocal_src_files:= lib/libavutil-55.solocal_export_c_includes: = $ (LOCAL_PATH)/ Includeinclude $ (prebuilt_shared_library) include $ (clear_vars) local_module:= libavfilterlocal_src_files:= lib/ Libavfilter-6.solocal_export_c_includes: = $ (Local_path)/includeinclude $ (prebuilt_shared_library) include $ (CLEAR_ VARS) local_module:= libswresamplelocal_src_files:= lib/libswresample-2.solocal_export_c_includes: = $ (LOCAL_PATH)/ IncludeincludE $ (prebuilt_shared_library) #Programinclude $ (clear_vars) #LOCAL_ALLOW_UNDEFINED_SYMBOLS: = Truelocal_module: = Hellolocal_src_files: = Main.clocal_c_includes + = $ (local_path)/includelocal_ldlibs: =-llog-lzlocal_shared_ LIBRARIES: =avcodec avdevice avfilter avformat avutil postproc swresample swscaleinclude $ (build_shared_library)

C Language Implementation file
Write C, C + + files to implement the underlying logic functions, eventually compiled to so file by Java call

1#include <jni.h>2#include <stdio.h>3#include"include/libavcodec/avcodec.h"4#include"include/libavformat/avformat.h"5#include"Include/libavfilter/avfilter.h"6 7 jstring Jnicall Java_com_example_zhaohu_test_mainactivity_stringfromjni8(JNIENV *env, Jobject jobj)9   {Ten       Charinfo[ +]= {0 }; Oneavformatcontext* Pformatctx =NULL; A Av_register_all (); - avformat_network_init (); -Pformatctx =Avformat_alloc_context (); the       //char* url= "/storage/emulated/0/1.mp4"; -       Char* Url="rtmp://live.hkstv.hk.lxdns.com/live/hks"; -  - //if (avformat_open_input (&pformatctx,url,null,null)! = 0) + //      { - //return (*env)->newstringutf (env, "Open URL failed!"); + //      } A       intret = Avformat_open_input (&pformatctx,url,null,null); at       //char buf[1024] = {0}; -       //Av_strerror (ret,buf,1024); -       //sprintf (info, "couldn ' t Open file%s:%d (%s) \ n", url,ret,buf); -       //return (*env)->newstringutf (env,info); -  -       if(!pformatctx) in           return(*env)->newstringutf (env,"Pformat is null!"); -  to       if(Avformat_find_stream_info (Pformatctx,null) <0) +       { -           return(*env)->newstringutf (env,"did not find info"); the       } *       intVideoindex =-1; $       inti;Panax Notoginseng        for(i =0; I <pformatctx->nb_streams; ++i) -       { the         if(Pformatctx->streams[i]->codec->codec_type = =Avmedia_type_video) +         { AVideoindex =i; the              Break; +         } -       } $       if(Videoindex = =-1) $       { -           return(*env)->newstringutf (env,"Did not find video steam!"); -       } the  -avcodeccontext* Pcodecctx = pformatctx->streams[videoindex]->codec;Wuyiavcodec* Pcodec = Avcodec_find_decoder (pcodecctx->codec_id); the  -       if(Pcodec = =NULL) Wu           return(*env)->newstringutf (env,"Did not find video decoder"); -  About       if(Avcodec_open2 (Pcodecctx,pcodec,null) <0) $       { -           return(*env)->newstringutf (env,"avcodec_open2 failed!"); -       } -  A  +       //sprintf (info, "%s\n", Avcodec_configuration ()); thesprintf (Info,"[Input:]%s\n", URL); -sprintf (Info,"%s[format:]%s\n",info,pformatctx->iformat->name); $sprintf (Info,"%s[codec:]%s\n",info,pcodecctx->codec->name); thesprintf (Info,"%s[resolution:]%dx%d\n",info,pcodecctx->width,pcodecctx->height); the      return(*env)Newstringutf (env,info); the   } the  - /* in * class:com_example_zhaohu_test_mainactivity the * Method:unimplementedstringfromjni the * Signature: () ljava/lang/string; About  */ the jstring Jnicall Java_com_example_zhaohu_test_mainactivity_unimplementedstringfromjni the(JNIENV *env, Jobject jobj) the   { +     return(*env)->newstringutf (env,"Java_com_example_zhaohu_test_mainactivity_unimplementedstringfromjni"); -}

Implementing Android Code

Invoke the C,c++ implementation file

Package Com.example.zhaohu.test;import Android.support.v7.app.appcompatactivity;import Android.os.Bundle;import Android.widget.textview;public class Mainactivity extends Appcompatactivity {    @Override    protected void OnCreate (Bundle savedinstancestate) {        super.oncreate (savedinstancestate);        Setcontentview (r.layout.activity_main);        Final TextView InfoText = (TextView) Findviewbyid (r.id.info);        Infotext.settext ("This is My Test");        Infotext.settext (Stringfromjni ());    }    Public native String  stringfromjni ();    Public native String  unimplementedstringfromjni ();    static {        system.loadlibrary ("avcodec-57");        System.loadlibrary ("avfilter-6");        System.loadlibrary ("avformat-57");        System.loadlibrary ("avutil-55");        System.loadlibrary ("swresample-2");        System.loadlibrary ("swscale-4");        System.loadlibrary ("Hello");}    }

Android ffmpeg rtmp (source code)