[FFmpeg-user] easy question

Good Developer mkhazanov.developer at gmail.com
Fri May 11 01:27:32 EEST 2018


Thanks for reply Denis. I tried it with -re option already. I get even worse distortion.

> On May 10, 2018, at 5:11 PM, Dennis Mungai <dmngaie at gmail.com> wrote:
> 
> Retry with the rstream option:
> 
> ffmpeg -re -i rtsp://admin:admin@192.168.1.234/ch0_0.h264 -an -c:v copy -f
> segment -segment_time 60 -segment_wrap 10 -reset_timestamps 1 result%d.mp4
> 
> 
> On 11 May 2018 at 00:00, Good Developer <mkhazanov.developer at gmail.com>
> wrote:
> 
>> I hope it is an easy question for someone who came across this issue.
>> I am recording a video from an ip camera. The video stream comes in h264
>> format and there is no audio stream. In order to save cpu, I am not
>> decoding and then re encoding it back to h264, I just copy it. The problem
>> is that a resulting video sometimes comes distorted. Here is a simple
>> command that I am using:
>> 
>> ffmpeg -i rtsp://admin:admin@192.168.1.234/ch0_0.h264 -an -c:v copy -f
>> segment -segment_time 60 -segment_wrap 10 -reset_timestamps 1 result%d.mp4
>> 
>> 
>> Also, for your information, there is no problem if I encode the video to
>> h264, but I am trying to avoid this for saving cpu time:
>> 
>> 
>> ffmpeg -i rtsp://admin:admin@192.168.1.234/ch0_0.h264 -an -c:v libx264
>> -b:v
>> 512K -pix_fmt yuv420p -g 60 -f segment -segment_time 60 -segment_wrap 10
>> -reset_timestamps 1 result%d.mp4
>> 
>> 
>> Can someone point me in a right direction please?
>> _______________________________________________
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>> 
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