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too slow when the resolution is 1920x1080

Open pietrondo opened this issue 7 years ago • 8 comments
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Hi! We have a little problem with the video when the output resolution is at 1920x1080: the video become very slow (we have tried a lot of codec and solution but nothing). The videos become slow! Also with video at lower resolution and with the last raspberry 3b+. Someone have some experience? Thx!!!

pietrondo avatar May 11 '18 10:05 pietrondo

You mean the video resolution is 1920x1080?

kr15h avatar May 11 '18 10:05 kr15h

Make sure there is an audio track in the video, even if it is silent, this helps sometimes. Using HD video often stutters in the first run, then it gets "smooth". Are you using one 1920x1080 video or several videos ? What compression ? Fast SD card ?

magdesign avatar May 11 '18 10:05 magdesign

1)Thx very much for the help and the software 2)ok for the audio 3)the video are at 1280x800 resolution 4)only one video 5)samsung class 10 6)ffmpeg -i -vcodec libx264 -profile:v baseline -preset:v slow -level 3.1 -refs 2 -coder 0

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On Fri, May 11, 2018 at 12:26 PM, magdesign [email protected] wrote:

Make sure there is an audio track in the video, even if it is silent, this helps sometimes. Using HD video often stutters in the first run, then it gets "smooth". Are you using one 1920x1080 video or several videos ? What compression ? Fast SD card ?

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pietrondo avatar May 11 '18 13:05 pietrondo

Ciao Pietro riusciresti a spiegarmi brevemente come aggiungo dei video alla cartella source della sd con ofxpimapper installato? Una volta inseriti li dovrei riuscire ad aggiungerli alla schermata video per poi mapparli giusto?

davidedezan-zz avatar May 12 '18 22:05 davidedezan-zz

ciao... dimmi primaditutto: hai un pc linux?

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2018-05-13 0:02 GMT+02:00 davidedezan [email protected]:

Ciao Pietro riusciresti a spiegarmi brevemente come aggiungo dei video alla cartella source della sd con ofxpimapper installato? Una volta inseriti li dovrei riuscire ad aggiungerli alla schermata video per poi mapparli giusto?

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pietrondo avatar May 13 '18 19:05 pietrondo

Ciao no, uso Windows

davidedezan-zz avatar May 13 '18 20:05 davidedezan-zz

perché la soluzione più veloce è il caricamento da linux... riesci a procurarti una macchina linux?

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On Sun, May 13, 2018 at 10:24 PM, davidedezan [email protected] wrote:

Ciao no, uso Windows

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pietrondo avatar May 13 '18 20:05 pietrondo

Si non è un problema, ma cosa centra con l'immagine già flashata su sd messa nel raspberry?

davidedezan-zz avatar May 13 '18 21:05 davidedezan-zz