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doc/filters: correct headphone examples

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lavfi-complex is not a valid option. [a:0] is not correct pad form for input.
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Gyan Doshi 2019-02-04 10:37:11 +05:30
parent e35c3d887b
commit 075fd5ba45
1 changed files with 3 additions and 2 deletions
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doc/filters.texi
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@ -3556,7 +3556,8 @@ Full example using wav files as coefficients with amovie filters for 7.1 downmix
each amovie filter use stereo file with IR coefficients as input. each amovie filter use stereo file with IR coefficients as input.
The files give coefficients for each position of virtual loudspeaker: The files give coefficients for each position of virtual loudspeaker:
@example @example
ffmpeg -i input.wav -lavfi-complex "amovie=azi_270_ele_0_DFC.wav[sr],amovie=azi_90_ele_0_DFC.wav[sl],amovie=azi_225_ele_0_DFC.wav[br],amovie=azi_135_ele_0_DFC.wav[bl],amovie=azi_0_ele_0_DFC.wav,asplit[fc][lfe],amovie=azi_35_ele_0_DFC.wav[fl],amovie=azi_325_ele_0_DFC.wav[fr],[a:0][fl][fr][fc][lfe][bl][br][sl][sr]headphone=FL|FR|FC|LFE|BL|BR|SL|SR" ffmpeg -i input.wav
-filter_complex "amovie=azi_270_ele_0_DFC.wav[sr];amovie=azi_90_ele_0_DFC.wav[sl];amovie=azi_225_ele_0_DFC.wav[br];amovie=azi_135_ele_0_DFC.wav[bl];amovie=azi_0_ele_0_DFC.wav,asplit[fc][lfe];amovie=azi_35_ele_0_DFC.wav[fl];amovie=azi_325_ele_0_DFC.wav[fr];[0:a][fl][fr][fc][lfe][bl][br][sl][sr]headphone=FL|FR|FC|LFE|BL|BR|SL|SR"
output.wav output.wav
@end example @end example
@ -3564,7 +3565,7 @@ output.wav
Full example using wav files as coefficients with amovie filters for 7.1 downmix, Full example using wav files as coefficients with amovie filters for 7.1 downmix,
but now in @var{multich} @var{hrir} format. but now in @var{multich} @var{hrir} format.
@example @example
ffmpeg -i input.wav -lavfi-complex "amovie=minp.wav[hrirs],[a:0][hrirs]headphone=map=FL|FR|FC|LFE|BL|BR|SL|SR:hrir=multich" ffmpeg -i input.wav -filter_complex "amovie=minp.wav[hrirs];[0:a][hrirs]headphone=map=FL|FR|FC|LFE|BL|BR|SL|SR:hrir=multich"
output.wav output.wav
@end example @end example
@end itemize @end itemize