264 编码，写了个脚本，实现批量编码

# -*- coding: cp936 -*-import os  import sysimport repattern = re.compile(r'[0-9]{2,4}')# find the successive 2~4 num.DataSet_264='C:/Users/Dell/Desktop/264DataSet/'  #destination folder for saving output .264 files.YUV_VIDEO_FOLDER='C:/Users/Dell/Desktop/YUVDataSet/'  #source folder containing YUV videosfor YUV_video in os.listdir(YUV_VIDEO_FOLDER): #yuv video的名字里面包含了高度，宽度，视频长度等信息。所以只需要在名字中提取。    #print YUV_video    video_inf=pattern.findall(YUV_video)        video_width=int(video_inf[0])    video_height=int(video_inf[1])    video_frame=int(video_inf[2])    inputfile=YUV_VIDEO_FOLDER+YUV_video    outputfile=DataSet_264+YUV_video+'.264'        fin=open('C:/Users/Dell/Desktop/jm_16.1_xmltrace_v1.5/jm_16.1/bin/encoder_baseline.cfg',"rb")    fout= open('C:/Users/Dell/Desktop/jm_16.1_xmltrace_v1.5/jm_16.1/bin/encoder_baseline_new.cfg', "w")    for index, line in enumerate(fin):  #枚举出所打开文件的行数和改行的内容。            if index==12:            line=" InputFile        = %s  " % inputfile           if index==15:            line="FramesToBeEncoded     = %d " % video_frame        if index==17:           line=" SourceWidth           = %d " % video_width        if index==18:            line="SourceHeight          = %d " % video_height        if index==20:            line="OutputWidth           = %d " % video_width        if index==21:            line="OutputHeight          = %d " % video_height        if index==25:            line="OutputFile            = %s " % outputfile            fout.write(line+'\n')# 将修改写入新文件。    fin.close()    fout.close()    os.system('C:/Users/Dell/Desktop/jm_16.1_xmltrace_v1.5/jm_16.1/bin/lencod.exe  -d  C:/Users/Dell/Desktop/jm_16.1_xmltrace_v1.5/jm_16.1/bin/encoder_baseline_new.cfg')   #利用CMD运行lencod.exe 执行编码。