ffmpeg could not infer the container format because ProxyManager writes proxies to a temporary '.mp4.working' file. Explicitly pass '-f mp4' (or the configured proxy extension) so ffmpeg knows the output format regardless of the temporary extension.
ffmpeg could not infer the container format because ProxyManager writes proxies to a temporary '.mp4.working' file. Explicitly pass '-f mp4' (or the configured proxy extension) so ffmpeg knows the output format regardless of the temporary extension.