wavetable stuff

common/waveserum.py

@@ -0,0 +1,18 @@
+# waveserum.py -- Serum comment chunk support
+# (C) 2023 a dinosaur (zlib)
+
+from enum import Enum
+from common.wavewriter import WaveCommentChunk
+
+
+class SerumWavetableInterpolation(Enum):
+	NONE = 0
+	LINEAR_XFADE = 1
+	SPECTRAL_MORPH = 2
+
+
+class WaveSerumCommentChunk(WaveCommentChunk):
+	def __init__(self, size: int, mode: SerumWavetableInterpolation, factory=False):
+		comment = f"<!>{size: <4} {mode.value}{'1' if factory else '0'}000000"
+		comment += " wavetable (www.xferrecords.com)"
+		super().__init__(comment.encode("ascii"))