I've found what i was doing wrong, in the shell you must make sure that the level property gets the parameters as "one thing".
Basically i added quotes and it worked. -filter volume level="0=0;100=1;150=1;300=0" Sorry about that. On Tue, Sep 1, 2015 at 4:59 PM, Gonzalo García Berrotarán < ggar...@machinalis.com> wrote: > Hi, i'm trying to have an audio track on the background of a composition > of several clips and text slides. I want the audio to fade out when a video > is playing and fade in when the text slides are playing... > > That's what i'm trying to achieve, although i can't even get to change > dynamically the volume of an audio clip. > > I found a similar question[0] and the solution was to use: > > -filter volume level=0=0;100=1;150=1;300=0 > > > But apparently only the first value is being applied. Has the syntax > changed? Am I doing something wrong? > > I tried using -filter as well as -attach > > Thanks, hope to hear from you > > [0] > http://sourceforge.net/p/mlt/mailman/mlt-devel/thread/CAD2HYgoaz7mKyC7X0sb0nXhXYkVkNdj6BzpJNKGk4LL_N1XcWQ%40mail.gmail.com/#msg32669943 > -- Gonzalo García Berrotarán - Developer www.machinalis.com
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