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Update audio_volume.py

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Add volume max percentage and config for volume sync.
This commit is contained in:
imonlinux
2026-01-06 13:35:52 -08:00
committed by GitHub
parent cc2a7a6206
commit 7891997392
1 changed files with 54 additions and 11 deletions
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linux_voice_assistant/audio_volume.py
+54 -11
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@@ -88,41 +88,77 @@ def _run_cmd(cmd: list[str], timeout_s: float = 2.0) -> tuple[bool, str]:
def set_output_volume(
volume_0_1: float,
output_device: Optional[str] = None,
max_volume_percent: int = 100,
logger: logging.Logger = _LOGGER,
) -> bool:
"""Set OS output volume to match LVA volume (0.0–1.0).
Returns True if any backend succeeded.
"""
`max_volume_percent` lets you map LVA's 100% to something above 100% on the
OS sink (e.g. 150 for 1.5x), which can be useful on devices that need
boosted output.
Returns True if any backend succeeded.
"""
vol = _clamp01(volume_0_1)
try:
max_pct = int(max_volume_percent)
except Exception:
max_pct = 100
# Avoid weird values; allow >100 for boosted sinks.
max_pct = max(0, min(200, max_pct))
sink_scalar = vol * (max_pct / 100.0)
# --- 1) PipeWire: wpctl -------------------------------------------------
if shutil.which("wpctl"):
# wpctl accepts @DEFAULT_AUDIO_SINK@ and a linear factor (e.g. 0.40)
ok, out = _run_cmd(["wpctl", "set-volume", "@DEFAULT_AUDIO_SINK@", f"{vol:.3f}"])
ok, out = _run_cmd(
[
"wpctl",
"set-volume",
"@DEFAULT_AUDIO_SINK@",
f"{sink_scalar:.3f}",
]
)
if ok:
logger.debug("Set PipeWire sink volume via wpctl: %.3f", vol)
logger.debug(
"Set PipeWire sink volume via wpctl: scalar=%.3f (vol=%.3f max_pct=%d)",
sink_scalar,
vol,
max_pct,
)
return True
logger.debug("wpctl set-volume failed: %s", out)
# --- 2) PulseAudio: pactl ----------------------------------------------
if shutil.which("pactl"):
sink = _pactl_sink_from_output_device(output_device)
pct = int(round(vol * 100.0))
pct = int(round(sink_scalar * 100.0))
ok, out = _run_cmd(["pactl", "set-sink-volume", sink, f"{pct}%"])
if ok:
logger.debug("Set Pulse sink volume via pactl: sink=%s pct=%d", sink, pct)
logger.debug(
"Set Pulse sink volume via pactl: sink=%s pct=%d (vol=%.3f max_pct=%d)",
sink,
pct,
vol,
max_pct,
)
return True
logger.debug("pactl set-sink-volume failed: %s", out)
# --- 3) ALSA: amixer ----------------------------------------------------
if shutil.which("amixer"):
pct = int(round(vol * 100.0))
pct = int(round(sink_scalar * 100.0))
# Common mixer controls across SBC images.
for control in ("Master", "PCM", "Speaker", "Headphone"):
ok, out = _run_cmd(["amixer", "-q", "sset", control, f"{pct}%"])
if ok:
logger.debug("Set ALSA volume via amixer: control=%s pct=%d", control, pct)
logger.debug(
"Set ALSA volume via amixer: control=%s pct=%d (vol=%.3f max_pct=%d)",
control,
pct,
vol,
max_pct,
)
return True
logger.debug("amixer sset %s failed: %s", control, out)
@@ -132,16 +168,23 @@ Returns True if any backend succeeded.
async def ensure_output_volume(
volume: float,
output_device: Optional[str] = None,
max_volume_percent: int = 100,
attempts: int = 10,
delay_seconds: float = 0.5,
logger: logging.Logger = _LOGGER,
) -> bool:
"""Retry output volume sync during startup.
Useful at boot when PipeWire/Pulse/ALSA might not be fully ready yet.
"""
Useful at boot when PipeWire/Pulse/ALSA might not be fully ready yet.
"""
for i in range(1, max(1, attempts) + 1):
ok = await asyncio.to_thread(set_output_volume, volume, output_device, logger)
ok = await asyncio.to_thread(
set_output_volume,
volume,
output_device,
max_volume_percent,
logger,
)
if ok:
return True
if i < attempts: