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Chebyshev filters

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John Alanbrook
2022-07-08 18:54:45 +00:00
parent eb49f0fcc5
commit 7299d6d96f
7 changed files with 1408 additions and 17 deletions
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19
source/engine/datastream.c
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@@ -73,9 +73,24 @@ void ds_openvideo(struct datastream *ds, const char *video, const char *adriver)
struct dsp_filter astream_filter;
astream_filter.data = &ds->astream;
astream_filter.filter = soundstream_fillbuf;
first_free_bus(astream_filter);
printf("Circbuf size is %u.\n", ds->astream.buf.len);
//struct dsp_filter lpf = lpf_make(8, 10000);
struct dsp_filter lpf = lpf_make(1, 200);
struct dsp_iir *iir = lpf.data;
iir->in = astream_filter;
struct dsp_filter hpf = hpf_make(1, 2000);
struct dsp_iir *hiir = hpf.data;
hiir->in = astream_filter;
/*
struct dsp_filter llpf = lp_fir_make(20);
struct dsp_fir *fir = llpf.data;
fir->in = astream_filter;
*/
first_free_bus(hpf);
plm_set_video_decode_callback(ds->plm, render_frame, ds);
plm_set_audio_decode_callback(ds->plm, render_audio, ds);