我正在运行melt命令来编辑一些视频剪辑和音频剪辑。我在这里给出了我用来编辑视频的命令但是遇到比特率问题以及执行此命令需要花费太多时间。我有最新版本的MLT(0.8.0)并安装在UBUNTU中。 命令如下:
melt avformat:http://54.241.13.15/cdn/images/1/1576/17s_331.flv out=425.4 -move in=0 out=425.4 out=425.4 -track avformat:http://54.241.13.15/cdn/image/1/1584 /180_834.flv out=336.9 -move in=0 out=336.9 out=336.9 -filter chroma key=#00ff00 variance=0.38 -transition composite geometry="42%,24%,50%,50%" halign=left valign=top a_track=0 b_track=1 -track -blank 61.2 a_track=0 b_track=2 avformat:http://54.241.13.15/cdn/images/1/1583/17z_786.flv out=398.1 -move in=0 out=336.9 out=398.1 -filter chroma key=#00FF00 variance=0.38 -transition composite geometry="14%,10%,38%,43%" halign=left valign=top a_track=0 b_track=2 -track avformat:http://54.241.13.15/cdn/images/1/1532/16k_177.mp3 out=756.9 -move in=0 out=756.9 out=756.9 composite.progressive=1 producer.align=center -consumer avformat:/var/www/enclood/app/web/files/test-temp1.webm s=320x240 fullscreen=1 rescale=bilinear frequency=22050 b=512k ab=128k -profile square_ntsc vcodec=libtheora b=1000k ab=512k f=ogg | oggfwd 127.0.0.1 8000 manu123 /live.ogg
输出花费太多时间并遇到以下问题:
[flv @ 0xb9643940] Estimating duration from bitrate, this may be inaccurate [flv @ 0xb9643940] Estimating duration from bitrate, this may be inaccurate [mp3 @ 0xb0998cc0] max_analyze_duration reached
如何解决此问题?
请回复我。提前谢谢!