mirror of
https://github.com/gbdk-2020/gbdk-2020.git
synced 2026-03-13 10:48:15 +01:00
4b96eb98af
- Remove old wav playback example - Add new wav playback example by toxa (with new sound files) - Add SGB built-in sfx example
56 lines
1.9 KiB
Python
Executable File
56 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import wave
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def main(argv=None):
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argv = argv or sys.argv
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if len(argv) < 2:
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print("cvtsample.py: no filename; try cvtsample.py --help")
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sys.exit(1)
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infilename = argv[1]
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ident = argv[2] if len(argv) > 2 else "sample"
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fmt = argv[3].upper() if len(argv) > 3 else "C"
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if infilename in ('--help', '-h'):
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print("usage: cvtsample.py SOURCE [IDENTIFIER] [FMT]")
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return
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if (fmt == "C"):
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sHDR = "const UINT8 {:s}[] = {{\n"
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sFOOT = "};\n"
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sEMIT = "0x{:x}"
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sNEW = ",\n"
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sNONEW = ","
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elif (fmt == "ASM"):
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sHDR = "{:s}::"
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sFOOT = ""
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sEMIT = "${:x}"
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sNEW = "\n"
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sNONEW = ","
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with wave.open(infilename, mode="rb") as f:
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p = f.getparams()
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if (p.nchannels == 1) and (p.sampwidth == 1) and (p.framerate >= 8000) and (p.framerate <= 8192) and (p.comptype == 'NONE'):
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data = f.readframes(p.nframes)
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c = 0
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cnt = 0;
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flag = False
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sys.stdout.write(sHDR.format(ident))
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for i in range(len(data) - len(data) % 32):
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c = ((c << 4) | (data[i] >> 4)) & 0xFF
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if flag:
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sys.stdout.write(sEMIT.format(c))
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cnt += 1
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sys.stdout.write(sNEW if (cnt % 16 == 0) else sNONEW)
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flag = not flag
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sys.stdout.write(sFOOT)
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sys.stdout.flush()
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else:
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sys.stderr.write("ERROR: Invalid wav file format\n")
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sys.stderr.write("Requires - nChannels: 1, sampWidth: 1, rate: 8000 - 8192, compType: NONE\n")
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sys.stderr.write("Found - nChannels: %d, sampWidth: %d, rate: %d, compType: %s\n" % (p.nchannels, p.sampwidth, p.framerate, p.comptype))
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sys.stderr.flush()
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if __name__=='__main__':
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main()
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