Désolé, mais j’ai du mal avec les commandes du profil MP4 Normal pour forcer HandBrake à écrire le fichier avec un débit d’images constant plutôt que variable. J’ai essayé d’utiliser l’option -q, mais je suppose que je la place mal. Quelqu’un peut-il m’indiquer comment faire pour que les fichiers MP4 soient créés avec un débit d’images constant de 30 ips ? Le profil que j’essaie de modifier est ci-dessous.
[MP4 Normal]
Description=Profil principal, conversion MP4 (H.264/AAC) en qualité correcte en 1 passe. Convient à la plupart des conversions, donne de bons résultats et est plus rapide que la conversion en 2 passes.
order=handbrake,ffmpeg,mencoder
mencoder-general=-ss 3 -vf pullup,softskip,yadif=0:-1,hqdn3d,harddup
mencoder-video=-ovc x264 -x264encopts bitrate=1400:me=hex:trellis=1:subq=8:partitions=all:8x8dct:ref=3:rc_lookahead=50:keyint=25:keyint_min=20:bframes=1:weight_b:level_idc=40:b_pyramid=normal:direct_pred=auto:mixed_refs:deblock=-1,-1:nofast_pskip:nodct_decimate:b_adapt=0:threads=auto
mencoder-audio=-oac faac -faacopts br=160:mpeg=4:tns:object=2
mencoder-audioac3=-oac faac -faacopts br=256:mpeg=4:tns:object=2
mencoder-ext=.avi
mencoder-remuxto=.mp4
mencoder-audiodelay=skip
ffmpeg-general=-threads 0
ffmpeg-video=-ss 3 -vf yadif=0:-1:1,hqdn3d -vcodec libx264 -b 1400k -x264opts me=hex:trellis=1:subq=8:partitions=all:8x8dct=1:ref=3:rc-lookahead=50:keyint=25:min-keyint=20:bframes=1:weightb=1:level=4.0:b-pyramid=normal:direct=auto:mixed-refs=1:deblock=-1,-1:no-fast-pskip=1:no-dct-decimate=1:b-adapt=0:threads=auto -map 0:v -sn
ffmpeg-audio=-acodec libfdk_aac -ab 160k -cutoff 18000 -map 0:a
ffmpeg-audioac3=-acodec libfdk_aac -ab 256k -cutoff 18000 -map 0:a
ffmpeg-ext=.mp4
ffmpeg-audiodelay=skip
handbrake-general=–decomb --loose-anamorphic --verbose=2 -f mp4 -O
handbrake-video=–start-at duration:3 -e x264 -b 1400 -x me=hex:trellis=1:subq=8:partitions=all:8x8dct:ref=3:rc-lookahead=50:keyint=25:keyint-min=20:bframes=1:weight-b:level-idc=40:b-pyramid=normal:direct-pred=auto:mixed-refs:deblock=-1,-1:nofast-pskip:nodct-decimate:b-adapt=0:threads=auto
handbrake-audio=-E faac -R auto -B 160 -D 0 -a 1,2,3,4,5
handbrake-audioac3=-E faac -R auto -B 256 -D 0 -a 1,2,3,4,5
handbrake-ext=.mp4
handbrake-audiodelay=skip
PreConversionCommercialRemover=true
Tout d’abord, les fichiers sont à débit d’images constant, je n’ai jamais vu de fichiers à débit d’images « variable ». Le débit d’images dépend du fichier source ; vous pouvez cependant le modifier sans toucher au profil, dans la page Conversion Task → Expert Settings, vous pouvez activer l’option pour changer le débit d’images et le définir comme vous le souhaitez.
Voulez-vous parler d’un débit binaire constant ? MP4 Normal est un profil à débit binaire constant. Le paramètre -q dans Handbrake indique que vous souhaitez un débit binaire variable.
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