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烧录字幕加速：mac电脑 m芯片，通过VideoToolbox和Metal来加速视频编解码 #386

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xiapyang opened this issue Feb 6, 2025 · 1 comment

xiapyang commented Feb 6, 2025

比如：fmpeg -hwaccel metal -i input.mp4 -c:v h264_videotoolbox -b:v 2M output.mp4

wendayuan commented Feb 27, 2025

请问能比默认配置下，加速多少呢？谢谢

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