av.codec.codec.UnknownCodecError: libx264

[CesarDX01]

Hello everyone, I'm encountering this error when trying to create an animation for MP4.

*** Error running postprocess: E:\S-DIF\Automatic 1111 Stable Diffusion Web Ui\webui\extensions\sd-webui-animatediff\scripts\animatediff.py
Traceback (most recent call last):
File "E:\S-DIF\Automatic 1111 Stable Diffusion Web Ui\webui\modules\scripts.py", line 750, in postprocess
script.postprocess(p, processed, *script_args)
File "E:\S-DIF\Automatic 1111 Stable Diffusion Web Ui\webui\extensions\sd-webui-animatediff\scripts\animatediff.py", line 96, in postprocess
AnimateDiffOutput().output(p, res, params)
File "E:\S-DIF\Automatic 1111 Stable Diffusion Web Ui\webui\extensions\sd-webui-animatediff\scripts\animatediff_output.py", line 39, in output
video_paths += self._save(params, frame_list, video_path_prefix, res, i)
File "E:\S-DIF\Automatic 1111 Stable Diffusion Web Ui\webui\extensions\sd-webui-animatediff\scripts\animatediff_output.py", line 236, in _save
stream = output.add_stream('libx264', params.fps, options=options)
File "av\container\output.pyx", line 62, in av.container.output.OutputContainer.add_stream
File "av\codec\codec.pyx", line 179, in av.codec.codec.Codec.cinit
File "av\codec\codec.pyx", line 187, in av.codec.codec.Codec._init
av.codec.codec.UnknownCodecError: libx264

[zappityzap]

Your ffmpeg wasn't compiled with x264 support. This has been seen when using the unofficial fork of PyAv called pyav, rather than the official one called just "av".

See this issue for more details: #377

[CesarDX01]

ThankYou Very Much!