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<br><div><div>On Apr 18, 2008, at 11:48 PM, Joseph Barrows wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><br><div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> > use ffmpeg : no (forced)<br> > hmm, maybe i should compile it myself then<br> probably not. ffmpeg support in Gem is not something i would consider<br> stable. (the API is changing so fast...)</blockquote><div><br>i'll leave it out - stability is even more important than reading wide range of video formats (i can transcode video, having PD vanish in the middle of a performance is very bad form - happened 4 times last night) my system reports the standard<br> pix_film:: quicktime support<br> pix_film:: libmpeg3 support<br> pix_film:: libaviplay support<br><br>though i think i do want ffmpeg (i think someone mentioned it would enable support for .flv files)</div></div></blockquote><div><br></div><div>What might be more useful would be a nice document about how to transcode files using VLC, and which formats work best for Gem. Most codecs take a lot of CPU power to decode, so for realtime video work, it's best to use low CPU codecs, like MJPEG.</div><div><br></div><div>.hc</div><br><blockquote type="cite"><div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> see, does it help if you create a table-of-contents first?<br> iirc, there is a tool mpeg3toc which will create TOC from an mpeg-file<br> which can then be fed into [pix_film] to allow frame accurate accessing<br> of mpeg-files (and probably the exact number of frames in the file).<br> <br> otoh, it seems that this has stopped working some time ago...<br> <br> probably you should just check.</blockquote><div><br>i seem to remember using the TOC when i first started using gem, but yes, it did stop working and i havent checked for some time. <br> </div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> > gem still causes PD to<br> > completely die when given a video file it doesn't like.<br> which is not fine.<br> i suspect that it is libmpeg1 (if it is really used; check out which<br> APIs are really supported when creating the first [pix_film]) - this<br> library is highly unstable; it's only in the code in case libmpeg3 is<br> missing and you still want to decode mpeg-files.</blockquote><div><br>thanks, i'll try removing mpeg (guess i'll have to compile my own, oh well, since i'm going to do that any ideas how i would go about making Gem use opengl 1.5 instead of 2 (which i think it does now), i want to use it with chromium, which insists on opengl 1.5<br> <br>the crashing is more random than i thought (sometimes happens with video files that worked a few minutes earlier)<br>(some of the crashes were due to one of my subpatches, that i removed last night, but i think that was the part causing the GUI lockups - it was giving a lot of "stack overflow" messages)<br> </div><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:PD-list@iem.at">PD-list@iem.at</a> mailing list</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">UNSUBSCRIBE and account-management -> <a href="http://lists.puredata.info/listinfo/pd-list">http://lists.puredata.info/listinfo/pd-list</a></div> </blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div><br class="Apple-interchange-newline"><br class="khtml-block-placeholder"></div><div><br class="khtml-block-placeholder"></div><div><br class="khtml-block-placeholder"></div><div>----------------------------------------------------------------------------</div><div><br class="khtml-block-placeholder"></div><div>"[T]he greatest purveyor of violence in the world today [is] my own government." - Martin Luther King, Jr.</div><div><br></div></span><br class="Apple-interchange-newline"> </div><br></body></html>