简单的m3u8切片程序，python实现

m3u8maker.py

input_name = "jiangsugaoqing";

m3u8str = '''#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:128
#EXT-X-MEDIA-SEQUENCE:10000
''';

if __name__ == "__main__":
    if(len(sys.argv) == 1):
        print "Usage:%s filename" %(sys.argv[0]);
        exit(0);
    input_name = sys.argv[1];
    filesize = os.path.getsize(input_name + ".ts");

    os.system("rm -f *.m3u8.ts");

    count = 0;
    slice_size = 188 * 25000;
    fin = open(input_name + ".ts", 'rb');
    fm3u8 = open(input_name + ".m3u8", "w");
    fm3u8.write(m3u8str);
        
    block = fin.read(slice_size);
    while block:
        out_name = input_name + str(count) + ".m3u8.ts";
        
        print "create:" + out_name;
        line = "#EXTINF:%.3f,\n" %(128.0 / filesize * slice_size)
##        fm3u8.write("#EXTINF:15.000,\n");
        fm3u8.write(line);
        fm3u8.write("http://192.168.2.8:8080/" + out_name + "\n");
        fm3u8.flush();
        
        fout = open(out_name, "wb");
        fout.write(block);
        fout.close();

        count += 1;
        block = fin.read(slice_size);

    fin.close();
    fm3u8.close();