[FFmpeg-user] bad snapshot-quality from avchd-videofile
adf.lists at gmail.com
Fri Apr 4 11:18:17 CEST 2014
> Hello,I need your help again...The Quality of /all/ extracted snapshot (from
> a HD-videofile) isn't acceptable, please watch the result:
> C:\ProgramData\ffmpeg.exe -i "d:\Temp\STOP!1~1.M2T" -y -s 1920x1080 -ss
> 00:00:01.20 -vframes 1 C:\Users\Frank\AppData\Roaming\Snapshot_1.jpgThere is
> no difference in quality by calling ...\Snapshot_1.bmp (6MB)
The source is interlaced so you are getting a weaved frame.
Try with a deinterlacer eg. -vf yadif=1
With the =1 yadif will produce one frame per field so you will have x2
frames to choose from.
More information about the ffmpeg-user