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Remove @micropython.viper fallback for macOS

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This commit is contained in:
Thomas Farstrike
2025-11-23 05:09:10 +01:00
parent 965eec1b2d
commit 7f2c30c618
1 changed files with 15 additions and 22 deletions
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internal_filesystem/apps/com.micropythonos.musicplayer/assets/audio_player.py
+15 -22
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@@ -201,29 +201,22 @@ class AudioPlayer:
print(f"Playing {data_size} original bytes (vol {cls._volume}%) ...")
f.seek(data_start)
# Fallback to non-viper and non-functional code on desktop, as macOS/darwin throws "invalid micropython decorator"
# ----- Viper volume scaler (16-bit only) -------------------------
@micropython.viper # throws "invalid micropython decorator" on macOS / darwin
def scale_audio(buf: ptr8, num_bytes: int, scale_fixed: int):
pass
try:
# ----- Viper volume scaler (16-bit only) -------------------------
@micropython.viper # throws "invalid micropython decorator" on macOS / darwin
def scale_audio(buf: ptr8, num_bytes: int, scale_fixed: int):
for i in range(0, num_bytes, 2):
lo = int(buf[i])
hi = int(buf[i+1])
sample = (hi << 8) | lo
if hi & 128:
sample -= 65536
sample = (sample * scale_fixed) // 32768
if sample > 32767:
sample = 32767
elif sample < -32768:
sample = -32768
buf[i] = sample & 255
buf[i+1] = (sample >> 8) & 255
except SyntaxError:
print("Viper not supported (e.g., on desktop)—using plain Python.")
for i in range(0, num_bytes, 2):
lo = int(buf[i])
hi = int(buf[i+1])
sample = (hi << 8) | lo
if hi & 128:
sample -= 65536
sample = (sample * scale_fixed) // 32768
if sample > 32767:
sample = 32767
elif sample < -32768:
sample = -32768
buf[i] = sample & 255
buf[i+1] = (sample >> 8) & 255
chunk_size = 4096
bytes_per_original_sample = (bits_per_sample // 8) * channels