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et vigtigt tilvalg er
et vigtigt tilvalg er


video options are
videotilvalgene er:
-vcodec codec    force video codec ('copy' to copy stream)
-pass n                select the pass number (1 or 2)
-b bitrate            set bitrate (in bits/s)
-vb bitrate          set bitrate (in bits/s)
-s size                set frame size (WxH or abbreviation)
-me_range          <int>  E.V.. limit motion vectors range (1023 for DivX player)
-trellis                  <int>  E.VA. rate-distortion optimal quantization


audio options are
audio options are

Revision as of 07:38, 24 November 2012

Renderingsprofil-prametre - Hvordan man læser dem

De parametre, som bruges i renderingsprofiler kommer fra programmet ffmpeg.

Dette er et gennemarbejdet eksempel som viser, hvordan du kan forstå hvad disse parametre betyder ved hjælp af ffmpegs dokumentation.

I eksemplet ovenfor er parametrene:

f=dvd 
vcodec=mpeg2video 
acodec=mp2  
b=5000k 
maxrate=8000k 
minrate=0 
bufsize=1835008 
mux_packet_s=2048 
mux_rate=10080000 
ab=192k 
ar=48000 
s=720x576 
g=15 
me_range=63 
trellis=1 
profile=dv_pal_wide 
pass=2

Søger du i ffmpegs hjælpesider så ser du at:

et vigtigt tilvalg er

videotilvalgene er:

audio options are

-acodec codec      force audio codec ('copy' to copy stream)
-ab bitrate             set bitrate (in bits/s)
-ar rate                  set audio sampling rate (in Hz)

The AVCodecContext AVOptions include:

-b                 <int>   E.V.. set bitrate (in bits/s)
-maxrate      <int>   E.V.. set max video bitrate tolerance (in bits/s)
-minrate       <int>   E.V.. set min video bitrate tolerance (in bits/s)
-g                 <int>   E.V.. set the group of picture size

So all the render profile options are documented here in the ffmpeg documentation.