[FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

[Muhammad Faiz]

On Sat, Oct 24, 2015 at 1:31 AM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
> add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
> on ffplay playback because it does not do format conversion)
> custom size with size/s option (fullhd option is deprecated)
> custom layout with bar_h, axis_h, and sono_h option
> support rational frame rate (within fps/r/rate option)
> relaxed frame rate restriction (support fractional sample step)
> support all input sample rates
> separate sonogram and bargraph volume (with volume/sono_v and
> volume2/bar_v)
> timeclamp option alias (timeclamp/tc)
> fcount option
> gamma option alias (gamma/sono_g and gamma2/bar_g)
> support custom frequency range (basefreq and endfreq)
> support drawing axis using external image file (axisfile option)
> alias for disabling drawing to axis (text/axis)
> possibility to optimize it using arch specific asm code
>
> thanks

patch revision: fix incorrect gamma calculation
also i attach an example axis image

thanks
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