WinFF ( FFMPEG ): 未知编码器'libvo_aacenc'

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ubuntu

  繁體

问题

当我尝试将.vob文件转换为MPEG-4时,但它告诉我:


`Unknown encoder 'libvo_aacenc'`



终端输出的全文为:


avconv version 9.13-6:9.13-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers


built on May 9 2014 13:34:03 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)


[mpeg @ 0x1924160] max_analyze_duration reached


Input #0, mpeg, from '/media/gregoryopera/Movies/Get a Horse!.vob':


 Duration: 00:00:04.37, start: 0.221156, bitrate: 631225 kb/s


Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR 64:45 DAR 16:9], 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc


Stream #0.1[0x20]: Subtitle: dvdsub


Stream #0.2[0x21]: Subtitle: dvdsub


Stream #0.3[0x22]: Subtitle: dvdsub


Stream #0.4[0x23]: Subtitle: dvdsub


Stream #0.5[0x24]: Subtitle: dvdsub


Stream #0.6[0x25]: Subtitle: dvdsub


Stream #0.7[0x26]: Subtitle: dvdsub


Stream #0.8[0x27]: Subtitle: dvdsub


Stream #0.9[0x28]: Subtitle: dvdsub


Stream #0.10[0x29]: Subtitle: dvdsub


Stream #0.11[0x2a]: Subtitle: dvdsub


Stream #0.12[0x2b]: Subtitle: dvdsub


Stream #0.13[0x80]: Audio: ac3, 48000 Hz, 5.1, fltp, 384 kb/s


Stream #0.14[0x81]: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s


Stream #0.15[0x82]: Audio: ac3, 48000 Hz, 5.1, fltp, 384 kb/s


Stream #0.16[0x83]: Audio: ac3, 48000 Hz, 5.1, fltp, 384 kb/s


Stream #0.17[0x84]: Audio: ac3, 48000 Hz, 5.1, fltp, 384 kb/s


Unknown encoder 'libvo_aacenc'


Press Enter to Continue*




答案1

你必须修改命令行,


sudo apt-get install libavcodec-extra




答案2


sudo apt-get install libavcodec-extra-54 




答案3

libvo_aacenc质量低,而且ffmpeg删除了此编码器的支持

改用-c:a aac-c:a libfdk_aac

有关更多信息,请参见ffmpeg Wiki:AAC


答案4

安装visualon AAC编码器库


sudo apt-get install libvo-aacenc0





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