[FFmpeg-user] problem

[黄云尧]

This version does not have libx264 itself?

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黄云尧
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17748643834 at 163.com
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签名由网易邮箱大师定制
On 5/6/2019 17:01，Paul B Mahol<onemda at gmail.com> wrote：
On 5/6/19, 黄云尧 <17748643834 at 163.com> wrote:
what can I do,need  libx264 library?


Yes, and ffmpeg build with support for it.


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黄云尧
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17748643834 at 163.com
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签名由网易邮箱大师定制
On 5/6/2019 16:54，Paul B Mahol<onemda at gmail.com> wrote：
On 5/6/19, 黄云尧 <17748643834 at 163.com> wrote:


ffmpeg -i input.mp4 -vcodec h264 output.mp4


I use the command,but the video have not picture only sound.who can help me?
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For h264 you need to have build with libx264 encoder.

黄云尧
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17748643834 at 163.com
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签名由网易邮箱大师定制
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