56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
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def process_all_samples_0( markL, smpM, srate, args ):
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wtL = []
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fund_hz = 13.75 * math.pow(2,(-9.0/12.0)) * math.pow(2.0,(args.midi_pitch / 12.0))
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end_offs_smp_idx = int(args.end_offset_ms * srate / 1000)
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loop_dur_smp = int(args.loop_dur_ms * srate / 1000)
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smp_per_cycle = int(srate / fund_hz)
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print(f"Hz:{fund_hz} smp/cycle:{smp_per_cycle}")
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for beg_sec,end_sec,vel_label in markL:
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for ch_idx in range(0,smpM.shape[1]):
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beg_smp_idx = int(beg_sec * srate)
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end_smp_idx = int(end_sec * srate)
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eli = end_smp_idx - end_offs_smp_idx
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bli = eli - loop_dur_smp
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#print(beg_smp_idx,bli,eli,end_smp_idx)
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xV = smpM[:,ch_idx]
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wndN = int(smp_per_cycle/3)
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bi,ei,cost = find_loop_points(xV,bli,eli,smp_per_cycle,wndN,args.guess_cnt)
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plot_title = f"vel:{vel_label} ch:{ch_idx} cost:{math.log(cost):.2f}"
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#plot_overlap(xV,bi,ei,wndN,smp_per_cycle,plot_title)
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wtL.append( {
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"pitch":args.midi_pitch,
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"vel": int(vel_label),
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"cost":cost,
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"ch_idx":ch_idx,
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"beg_smp_idx":beg_smp_idx,
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"end_smp_idx":end_smp_idx,
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"beg_loop_idx":bi,
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"end_loop_idx":ei })
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return wtL
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def write_loop_label_file_0( fname, wtL, srate ):
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with open(fname,"w") as f:
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for r in wtL:
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beg_sec = r['beg_smp_idx'] / srate
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end_sec = r['end_smp_idx'] / srate
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# f.write(f"{beg_sec}\t{end_sec}\t{r['vel_label']}\n")
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beg_sec = r['beg_loop_idx'] / srate
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end_sec = r['end_loop_idx'] / srate
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cost = math.log(r['cost'])
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label = f"ch:{r['ch_idx']} {cost:.2f}"
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f.write(f"{beg_sec}\t{end_sec}\t{label}\n")
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