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如何使用 FFMPEG 添加文本水印并将视频 flv 转换为 3gp?
以下是将flv转换为3gp的代码:
ffmpeg -i input.flv -s 176x144 -vcodec h263 -r 15 -b 200 -ab 12.8 -acodec amr_nb -ar 8000 output.3gp