[FFmpeg-user] Extra video frames were added when doing the resolution transform

Ted Park kumowoon1025 at gmail.com
Sat Mar 7 13:08:40 EET 2020


>> Yes, the audio and video have different start times:
>>    ffprobe -i test.mp4 -show_entries stream
>> video:
>> start_pts=116370
>> start_time=1.293000
>> audio:
>> start_pts=0
>> start_time=0.000000
> Greetings sir,
> Was just wandering. With this knowledge as you have elucidated, is there a
> way that one can use ffmpeg to  correct this difference Prior to running
> the commands?

> 32 frames was added after the transform, and I saw some static picture
> within the first second.

I think that the added frames might be the correction you are seeing, 1.293 seconds counts about 32 frames at 25fps. The other possibility would be omitting the first ~1.293 seconds of audio.

Ted Park

More information about the ffmpeg-user mailing list