ffmpeg --disable-altivec option
tome at QX.Net
tome at QX.Net
Sun Mar 28 11:19:57 PDT 2010
>>------- Original Message -------
>>From : Ryan Schmidt[mailto:ryandesign at macports.org]
>>Sent : 3/28/2010 12:48:07 PM
>>To : tome at qx.net
>>Cc : macports-users at lists.macosforge.org
>>Subject : RE: Re: ffmpeg --disable-altivec option
>>
>>
>On Mar 28, 2010, at 11:11, tome at QX.Net wrote:
>> I need to install ffmpeg with the --disable-altivec option. Is that possible?
>I don't see an option for that in the portfile. Out of curiosity, why do you need this option?
I have a G3 PPC. Altivec was a G4 implementation ( Velocity Engine ). Without disabling altivec I get 'illegal instruction' failures from ffmpeg.
As a note, I have installed the same release of ffmpeg from source, with --disable-altivec, and it works fine. I had to have help from the
ffmpeg user mailing list to discover this. I would like to get my 'stuff' under MacPorts, but the install I did would not work because of 'illegal
instructions.' Is a patch possible? Thanks for your help! Best regards, Tom
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