[FFmpeg-user] problem

Paul B Mahol onemda at gmail.com
Mon May 6 12:17:49 EEST 2019


On 5/6/19, 黄云尧 <17748643834 at 163.com> wrote:
>
>
> This version does not have libx264 itself?

It maybe have?

Have you tried using -c:v libx264 ?

>
> | |
> 黄云尧
> |
> |
> 17748643834 at 163.com
> |
> 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.
>
>
> | |
> 黄云尧
> |
> |
> 17748643834 at 163.com
> |
> 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?
> | |
>
>
> For h264 you need to have build with libx264 encoder.
>
> 黄云尧
> |
> |
> 17748643834 at 163.com
> |
> 签名由网易邮箱大师定制
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".


More information about the ffmpeg-user mailing list