ffmpeg -i input.mp4 -c:v libvpx -c:a libvorbis output.webm If you meant something else, please type your request again in plain English or Chinese. I'm happy to help with the correct topic.
If you intended to ask for help with something else — like translating a phrase, summarizing a concept, or writing an article — please provide the correct spelling or keywords.
If you are trying to ask for an article about a specific topic (e.g., "Xiaosana" as a name, "Meian" as a place, or "WebM" video format), please clarify or rephrase your request.