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视频转场导出视频的长度的疑问 #37
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sudo xvfb-run -a --server-args="-screen 0 1280x720x24 -ac -nolisten tcp -dpi 96 +extension RANDR" /home/abc/FFmpeg-PlusPlus/ffmpeg -v debug -ss 0 -t 6 -i 0.mp4 -filter_complex "[0:v]scale=2560:1600[scale0];[scale0]fadeglshader=offset=3:fade_duration=1:ext_source=./1.mp4:vxsource=gl_fade/fade_vertex.gl:sdsource=gl_fade/fade_shader.gl[effects];[effects]scale=1000:1000" -vcodec libx264 -an -pix_fmt yuv420p -y f1.mp4
我使用了以上命令想给0.mp4和1.mp4之间加个转场,我发现正常导出了,视频也确实可以播放。但是两个都是3秒长的视频出来为什么不是6秒长的视频,而只有4秒呢呢?麻烦解惑一下,谢谢!!
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