IT博客汇 | Ubuntu下flv合并

Ubuntu下flv合并

Ivan Cai发表于 2014-04-25 17:31:00

软件包安装

sudo apt-get install ffmpeg mkvtoolnix gpac mencoder mediainfo

合并flv

mencoder -oac pcm -ovc copy -idx -o output.flv x.flv y.flv z.flv

视频信息查看

mediainfo file

通过flvcd生成的m3u列表下载youku视频并合并的C++代码(Linux可用需要axel)

#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;
ifstream fin;
ofstream fout;
stringstream ss;
int main()
{
    string m3u_filename,lst_filename,downloadurl;
    string command="chmod +x ",mergecommand="mencoder -oac pcm -ovc copy -idx -o output.flv ",tempstr;
    int counter=0,i;
    cout<<"Enter filename of m3u"<<endl;
    cin>>m3u_filename;
    cout<<"Enter filename of download script"<<endl;
    cin>>lst_filename;
    fin.open(m3u_filename.c_str());
    fout.open(lst_filename.c_str());
    fin>>downloadurl;
    while(fin>>downloadurl)
    {
        counter++;
        fout<<"axel --output "<<counter<<".flv "<<downloadurl<<endl;
    }
    command.append(lst_filename);
    for (i=1;i<=counter;i++)
    {
        ss.str("");
        ss.clear();
        tempstr="";
        ss<<i;
        ss>>tempstr;
        mergecommand.append(tempstr);
        mergecommand.append(".flv ");
    }
    fout<<mergecommand;
    system(command.c_str());
    fin.close();
    fout.close();
    return 0;
}