This topic provides details on the Zencoder API error: InvalidCodecCombinationError.


Some codec and format combinations are valid, and some aren't. For example, you can't play VP8 video alongside MP3 audio in a WebM file container. If you choose incompatible codecs, you'll get an error.

Try the following codec combinations:

  • H.264 video, AAC audio
  • H.264 video, MP3 audio
  • HEVC video, AAC audio
  • HEVC video, MP3 audio
  • VP8 video, Vorbis audio
  • VP9 video, Vorbis audio
  • Theora video, Vorbis audio
  • VP6 video, MP3 audio
  • VP6 video, AAC audio
  • MPEG-4 video, AAC audio
  • MPEG-4 video, MP3 audio

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