Unable to find a suitable output format for 'opus'

mmlion

FFmpeg v4.14 执行如下命令，会报错，为何？

1. ffmpeg -y -v warning -i <infile> -vn -acodec libopus opus <outfile.opus> & pause

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[NULL @ 000000dbfe506400] Unable to find a suitable output format for 'opus'
opus: Invalid argument

孙悟空

不删减任何输出，执行一下ffmpeg把输出贴出来看一下

mmlion

顺便，希望能解决中文名乱码问题，烦人！

孙悟空 发表于 2020-5-12 15:01

1. ffmpeg version 4.1.4 Copyright (c) 2000-2019 the FFmpeg developers
   
2.   built with gcc 9.1.1 (GCC) 20190716
   
3.   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutl
   
4. s --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --e
   
5. nable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enabl
   
6. e-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-l
   
7. ibvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --
   
8. enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis -
   
9. -enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --e
   
10. nable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --en
    
11. able-nvdec --enable-dxva2 --enable-avisynth
    
12.   libavutil      56. 22.100 / 56. 22.100
    
13.   libavcodec     58. 35.100 / 58. 35.100
    
14.   libavformat    58. 20.100 / 58. 20.100
    
15.   libavdevice    58.  5.100 / 58.  5.100
    
16.   libavfilter     7. 40.101 /  7. 40.101
    
17.   libswscale      5.  3.100 /  5.  3.100
    
18.   libswresample   3.  3.100 /  3.  3.100
    
19.   libpostproc    55.  3.100 / 55.  3.100
    
20. Input #0, matroska,webm, from 'D:\Video\MTV\閰掑悗鏇存兂浣燺鍊皵钀?mkv':
    
21.   Metadata:
    
22.     encoder         : libebml v1.2.3 + libmatroska v1.3.0
    
23.     creation_time   : 2012-11-22T23:32:32.000000Z
    
24.   Duration: 00:04:27.55, start: 0.000000, bitrate: 725 kb/s
    
25.     Stream #0:0: Video: h264 (High), yuv420p(progressive), 720x480, SAR 1:1 DAR 3:2, 29.97 fps,
    
26. 29.97 tbr, 1k tbn, 59.94 tbc (default)
    
27.     Stream #0:1: Audio: mp3, 44100 Hz, stereo, fltp, 128 kb/s (default)
    
28.     Stream #0:2: Audio: mp3, 44100 Hz, stereo, fltp, 96 kb/s
    
29.     Stream #0:3: Subtitle: ass (default)
    
30.     Metadata:
    
31.       title           : 28881.com
    
32. [NULL @ 0000000409ea8b40] Unable to find a suitable output format for 'opus'
    
33. opus: Invalid argument

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mmlion

我以为MP3支持不好，找了一首音乐wav，还是报错：

1. Guessed Channel Layout for Input Stream #0.0 : stereo
   
2. Input #0, wav, from 'D:\Music\POP\浜戣彶鑿?閭傞€?wav':
   
3.   Duration: 00:03:39.14, bitrate: 1411 kb/s
   
4.     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16, 1411 kb/s
   
5. [NULL @ 000000952fb11340] Unable to find a suitable output format for 'opus'
   
6. opus: Invalid argument

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孙悟空

这个看上去更像是不支持opus的格式输出，可以尝试输出webm的格式，音频codec是opus