Am 23.05.25 um 02:07 schrieb Mark Filipak:
On 22/05/2025 20.04, Richard Bartczak via ffmpeg-user wrote:
Am 23.05.25 um 01:49 schrieb Mark Filipak:
On 20/05/2025 08.16, Richard Bartczak via ffmpeg-user wrote:
Hello,
Stream #0:0[0x100]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv, bt470bg, top first), *720x576 [SAR 16:15 DAR
4:3]*, 25 fps, 25 tbr, 90k tbn
There are no black borders in the pictures. Your player is applying
SAR to get 768x576 and then adding the black borders for your 16x9
display.cribe".
Yes of course :
... by me : There is mothing to crop.
But I agree the "Head : Remove black border ..." is not the best
formulation.
To make it complete, again :
Only the syntax must be changed : -vf
scale=720x576,setsar=64/45,setdar=16/9 then I get 720x576 [SAR 64:45
DAR 16:9]
But the video quality is very bad. I did try it with -crf 0, but this
parameter will not be used by ffmpeg in this context.
Is there a way not use somethung like that : -vcodec libx265 -crf 16
to improve the video quality ?
What is your FFmpeg command line, Richard?
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ffmpeg -i "1492-Die Eroberung des Paradieses.ts" -crf 0 -vf
scale=720x576,setsar=64/45,setdar=16/9 -c:a copy out.ts =>
bad quality, but speedx >= 8
ffmpeg -i "1492-Die Eroberung des Paradieses.ts" -vcodec libx265 -crf
16 -vf scale=720x576,setsar=64/45,setdar=16/9 -c:a copy out.ts =>
acceptable quality, but speedx <= 0.5
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