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encoding-example-profiles: support setsar in FFmpeg-git

This commit is contained in:
Rudolf Polzer 2013-11-07 17:54:16 +01:00
parent 633fde4ae5
commit 6c4b504eca
1 changed files with 19 additions and 13 deletions
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32
etc/encoding-example-profiles.conf
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@ -159,7 +159,7 @@ omaxfps = 30
profile-desc = "MP4 for Nokia N900"
profile = enc-f-mp4
# DW = 800, DH = 480, SAR = 1
vf-add = lavfi=graph="scale=floor(min(min(800\,dar*480)\,in_w*max(1\,sar))/2+0.5)*2:floor(min(min(800/dar\,480)\,in_h*max(1/sar\,1))/2+0.5)*2,setsar=1"
vf-add = lavfi=graph="scale=floor(min(min(800\,dar*480)\,in_w*max(1\,sar))/2+0.5)*2:floor(min(min(800/dar\,480)\,in_h*max(1/sar\,1))/2+0.5)*2,setsar=sar=1"
ovcopts-add = profile=baseline,level=30,maxrate=10000k,bufsize=10000k,rc_init_occupancy=9000k,refs=5
omaxfps = 30
@ -212,7 +212,15 @@ profile = enc-f-mp4
omaxfps = 30
ovcopts-add = profile=high
# DW = 1024, DH = 600, DAR = 97:54 (=> SAR = 2425:2304)
vf-add = lavfi=graph="scale=floor(min(1024*min(1\,dar*54/97)\,in_w*max(1\,sar*2304/2425))/2+0.5)*2:floor(min(600*min(97/54/dar\,1)\,in_h*max(2425/2304/sar\,1))/2+0.5)*2,setsar=1"
vf-add = lavfi=graph="scale=floor(min(1024*min(1\,dar/(97/54))\,in_w*max(1\,sar/(2425/2304)))/2+0.5)*2:floor(min(600*min((97/54)/dar\,1)\,in_h*max((2425/2304)/sar\,1))/2+0.5)*2,setsar=sar=1"
[enc-to-hp-slate-7-git]
profile-desc = "MP4 for HP Slate 7 (1024x600, crazy aspect), FFmpeg-git"
profile = enc-f-mp4
omaxfps = 30
ovcopts-add = profile=high
# DW = 1024, DH = 600, DAR = 97:54 (=> SAR = 2425:2304)
vf-add = lavfi=graph="scale=floor(min(1024*min(1\,dar/(97/54))\,in_w)/2+0.5)*2:floor(min(600*min((97/54)/dar\,1)\,in_h)/2+0.5)*2,setsar=sar=sar/(2425/2304)"
# Advanced scaling for specific output devices - how it works:
# DW = display width (px) (1024)
@ -220,9 +228,9 @@ vf-add = lavfi=graph="scale=floor(min(1024*min(1\,dar*54/97)\,in_w*max(1\,sar*23
# SAR = display sample aspect ratio, i.e. DAR * DH / DW (2425:2304)
# DAR = display aspect ratio, i.e. SAR * DW / DH (97:54)
# Variant: zoomed out
# vf-add = lavfi=graph="scale=floor(min(DW*min(1\,dar/DAR)\,in_w*max(1\,sar/SAR))/2+0.5)*2:floor(min(DH*min(DAR/dar\,1)\,in_h*max(SAR/sar\,1))/2+0.5)*2,setsar=1"
# vf-add = lavfi=graph="scale=floor(min(DW*min(1\,dar/DAR)\,in_w*max(1\,sar/SAR))/2+0.5)*2:floor(min(DH*min(DAR/dar\,1)\,in_h*max(SAR/sar\,1))/2+0.5)*2,setsar=sar=1"
# Variant: zoomed in
# vf-add = lavfi=graph="scale=floor(min(DW*max(1\,dar/DAR)\,in_w*max(1\,sar/SAR))/2+0.5)*2:floor(min(DH*max(DAR/dar\,1)\,in_h*max(SAR/sar\,1))/2+0.5)*2,setsar=1"
# vf-add = lavfi=graph="scale=floor(min(DW*max(1\,dar/DAR)\,in_w*max(1\,sar/SAR))/2+0.5)*2:floor(min(DH*max(DAR/dar\,1)\,in_h*max(SAR/sar\,1))/2+0.5)*2,setsar=sar=1"
# How it works:
# 1a: DW, DH*dar/DAR - fit to display width
# 1b: DH*DAR/dar, DH - fit to display height
@ -231,23 +239,21 @@ vf-add = lavfi=graph="scale=floor(min(1024*min(1\,dar*54/97)\,in_w*max(1\,sar*23
# 2b: in_w*sar/SAR, in_h - fit to original height
# 2: the max of 2a and 2b (i.e. avoid enlarging both dimensions - let HW scaling handle this)
# output: the min of 1 and 2 (i.e. fulfill both constraints)
# setsar=1 to prevent scaling on the device (skip this if the device actually wants the proper SAR to be specified for not performing needless scaling)
# setsar=sar=1 to prevent scaling on the device (skip this if the device actually wants the proper SAR to be specified for not performing needless scaling)
#
# Simplified special case for SAR == 1, DAR == DW/DH:
# Variant: zoomed out
# vf-add = lavfi=graph="scale=floor(min(min(DW\,dar*DH)\,in_w*max(1\,sar))/2+0.5)*2:floor(min(min(DW/dar\,DH)\,in_h*max(1/sar\,1))/2+0.5)*2,setsar=1"
# vf-add = lavfi=graph="scale=floor(min(min(DW\,dar*DH)\,in_w*max(1\,sar))/2+0.5)*2:floor(min(min(DW/dar\,DH)\,in_h*max(1/sar\,1))/2+0.5)*2,setsar=sar=1"
# Variant: zoomed in
# vf-add = lavfi=graph="scale=floor(min(max(DW\,dar*DH)\,in_w*max(1\,sar))/2+0.5)*2:floor(min(max(DW/dar\,DH)\,in_h*max(1/sar\,1))/2+0.5)*2,setsar=1"
# setsar=1 to prevent nasty almost-1 SAR to be passed to the codec due to the rounding which can fail
# vf-add = lavfi=graph="scale=floor(min(max(DW\,dar*DH)\,in_w*max(1\,sar))/2+0.5)*2:floor(min(max(DW/dar\,DH)\,in_h*max(1/sar\,1))/2+0.5)*2,setsar=sar=1"
# setsar=sar=1 to prevent nasty almost-1 SAR to be passed to the codec due to the rounding which can fail
#
# If the device supports file SAR properly, we can make use of it to avoid
# upscaling. Note that setsar cannot be used to fake a different output SAR by
# applying a multiplier to the original one, so e..g it can't be used for the
# HP Slate 7!
# upscaling. The setsar=sar=sar/SAR at the end serves to fake the SAR for devices that don't know their own display's SAR.
# Variant: zoomed out
# vf-add = lavfi=graph="scale=floor(min(DW*min(1\,dar/DAR)\,in_w)/2+0.5)*2:floor(min(DH*min(DAR/dar\,1)\,in_h)/2+0.5)*2"
# vf-add = lavfi=graph="scale=floor(min(DW*min(1\,dar/DAR)\,in_w)/2+0.5)*2:floor(min(DH*min(DAR/dar\,1)\,in_h)/2+0.5)*2,setsar=sar=sar/SAR"
# Variant: zoomed in
# vf-add = lavfi=graph="scale=floor(min(DW*max(1\,dar/DAR)\,in_w)/2+0.5)*2:floor(min(DH*max(DAR/dar\,1)\,in_h)/2+0.5)*2"
# vf-add = lavfi=graph="scale=floor(min(DW*max(1\,dar/DAR)\,in_w)/2+0.5)*2:floor(min(DH*max(DAR/dar\,1)\,in_h)/2+0.5)*2,setsar=sar=sar/SAR"
# Simplified special case for SAR == 1, DAR == DW/DH:
# Variant: zoomed out
# vf-add = lavfi=graph="scale=floor(min(min(DW\,dar*DH)\,in_w)/2+0.5)*2:floor(min(min(DW/dar\,DH)\,in_h)/2+0.5)*2"