2018-03-31 16:21 GMT+02:00 Martin Vignali <martin.vign...@gmail.com>:
> Hello, > > In attach new patchs for showvolume filter > > 001 : Move the clear picture part to a new func, and use it if fade option > == 0. > (no need to calculate it in float) > > 002/003 : Move "height" condition for draw volume at the start of the loop > and indent > > 004 : add a new option for choosing the display scale > currently, the filter use linear display, > most audio meter use some kind of log display > > > 005 : WIP : > The idea is to add an option to draw a line for the max level for a given > duration. > Several audio meter have this kind of display, and its help user, to check > peak level (even > if the "peak" happen during a very short time. > > I'm not entirely sure, this is the best way to add this. > > For now, i store the max value for each channel, update it, if a new peak > is bigger than the store value > And count the number of frame for display. If a given display duration is > exceed, update the max value to the current max value. > > Missing docs and probably code reorganization to reduce code duplication. > > I also have had very few inspiration for option naming and variable naming > (and i don't know the "official name" of this little line in audio meter). > So i'm open to better naming suggestion. > > This display need to be enable using dm=1 > and the duration during the max value is still display can be set with > dm_duration (in seconds) > > Ping for patch 004 and 005 Martin _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
