<div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-size:small">Ben:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="gmail_default" style="font-size:small">I'm wondering if there is an easy way I can use an effect or similar<br>
function to display the waveform of an audio track in the compositor<br>
output (and final render).<br></div></blockquote><div><br></div><div style="font-size:small" class="gmail_default">The ffmpeg plugins that I "think" might get you what you want are all commented out in {your cinelerra path}/bin/ffmpeg/</div><div style="font-size:small" class="gmail_default">plugin.opts file. When I uncomment these to test, they all come up with "Input/output error" and am assuming that this is because the required data is not available at the time needed. I will have to ask GG to be sure though or to see if there is a workaround using a pre-Opts file, and he is unavailable right now.</div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">If you want to test this yourself you can do so by modifying the plugin.opts file in the cinelerra bin ffmpeg directory and uincommenting and removing the #-s at the end of the line for ahistogram...showcqt... or whatever. Then delete Cinelerra_plugins in your $HOME/.bcast5 directory so that the plugins are reloaded. Start Cin from a window to see the messages instead of an application icon. gg/Phyllis<br></div><div style="font-size:small" class="gmail_default"><br></div><div style="font-size:small" class="gmail_default">------------------ Error messages I get in Cin-GG ----------------------------<br></div><div class="gmail_default" style="font-size:small">PluginFFilter::new_ffilter(ahistogram)<br> err: Input/output error<br>PluginFFilter::new_ffilter(aphasemeter)<br> err: Operation not permitted<br>PluginFFilter::new_ffilter(showcqt)<br> err: Input/output error<br>PluginFFilter::new_ffilter(showfreqs)<br> err: Input/output error<br>PluginFFilter::new_ffilter(showspectrum)<br> err: Input/output error<br>PluginFFilter::new_ffilter(showspectrumpic)<br> err: Input/output error<br>PluginFFilter::new_ffilter(showvolume)<br> err: Input/output error<br>PluginFFilter::new_ffilter(showwaves)<br> err: Input/output error<br>PluginFFilter::new_ffilter(showwavespic)<br> err: Input/output error</div></div></div></div>