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<body class='hmmessage'><div dir='ltr'><br><br><div><div id="SkyDrivePlaceholder"></div>> To: libav-user@ffmpeg.org<br>> From: cehoyos@ag.or.at<br>> Date: Mon, 25 Mar 2013 21:36:50 +0000<br>> Subject: Re: [Libav-user] --disable-asm --disable-yasm options<br>> <br>> Dolevo Jay <cmst@...> writes:<br>> <br>> > Do I lose a lot of decoding performance because <br>> > of --disable-yasm option?<br>> <br>> If you are compiling for x86 (either 32 or 64bit), you <br>> should definitely compile with yasm for performance <br>> reasons. Many optimisations have been ported from <br>> inline assembly to yasm over the last years.<br>> (yasm cannot be used when compiling for other hardware.)<br>> <br>> --disable-asm is relevant for all (most) platforms, you <br>> should never use it except for debugging (as with <br>> --disable-yasm), if you have any problems when not using <br>> it, please report them either here or on trac.<br>> <br>> Please understand the project is called "FFmpeg", find <br>> the current version at http://ffmpeg.org/download.html<br>> <br>> Carl Eugen<br>> <br>> _______________________________________________<br>> Libav-user mailing list<br>> Libav-user@ffmpeg.org<br>> http://ffmpeg.org/mailman/listinfo/libav-user<br><br><br>Hello,<br><br>Thank you very much for your inputs. <br>When I don't use --disable-yasm option, I got tons of errors just because the yasm version that we are using in openembedded is quite old and ffmpeg requires a newer version of yasm. Updating yasm is fairly easy but then I got multiple of tons of different errors due to compatibility issues between different packages that are used in openembedded. <br>I guess there is no option except updating the whole openembedded which is way beyond my knowledge.<br><br>Thanks a lot.<br>Regards,<br></div> </div></body>
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