diff --git a/config/voice_config.json b/config/voice_config.json
index 00e151d..ac683eb 100644
--- a/config/voice_config.json
+++ b/config/voice_config.json
@@ -1,6 +1,5 @@
{
"_description": "Tunables for voice/* modules. Loaded via core.config_loader.load('voice').",
-
"sanad_voice": {
"_comment": "voice/sanad_voice.py — main live voice subprocess. Gemini API credentials (api_key, model, voice_name) come from core_config.json's gemini_defaults — single source of truth.",
"mic_gain": 1.0,
@@ -10,9 +9,10 @@
"session_timeout_sec": 660,
"max_reconnect_delay_sec": 30,
"max_consecutive_errors": 10,
- "no_messages_timeout_sec": 30
+ "no_messages_timeout_sec": 180,
+ "pure_voice": false,
+ "internet_search": false
},
-
"mic_udp": {
"_comment": "G1 built-in mic — UDP multicast subscriber",
"group": "239.168.123.161",
@@ -21,41 +21,40 @@
"read_timeout_sec": 0.04,
"socket_timeout_sec": 1.0
},
-
"speaker": {
"_comment": "G1 built-in speaker — AudioClient.PlayStream wrapper",
"app_name": "sanad",
"begin_stream_pause_sec": 0.15,
- "wait_finish_margin_sec": 0.3
+ "wait_finish_margin_sec": 0.3,
+ "jitter_prebuffer_sec": 0.3,
+ "jitter_first_flush_sec": 0.6,
+ "jitter_max_lead_sec": 0.6
},
-
"vad": {
"_comment": "Gemini Live server-side voice-activity-detection config",
"start_sensitivity": "START_SENSITIVITY_HIGH",
"end_sensitivity": "END_SENSITIVITY_LOW",
"prefix_padding_ms": 20,
- "silence_duration_ms": 200
+ "silence_duration_ms": 200,
+ "direct_answer": false
},
-
"barge_in": {
"threshold": 500,
"loud_chunks_needed": 3,
"cooldown_sec": 0.3,
"echo_suppress_below": 500,
- "ai_speak_grace_sec": 0.15
+ "ai_speak_grace_sec": 0.15,
+ "external_barge_in": false
},
-
"recording": {
"enabled": true,
"dir_relative": "data/recordings"
},
-
"typed_replay": {
"_comment": "voice/typed_replay.py — max_text_len comes from dashboard.api_input",
"monitor_chunk_size": 512,
"monitor_tail_sec": 0.2
},
-
"live_voice_loop": {
"_comment": "voice/live_voice_loop.py — arm phrase dispatcher. arm_txt filename comes from core.script_files.arm_phrases",
"trigger_log_size": 100,
@@ -63,7 +62,6 @@
"deferred_default": false,
"trigger_enabled_default": false
},
-
"local_tts": {
"_comment": "voice/local_tts.py — offline Coqui TTS",
"model_subdir": "speecht5_tts_clartts_ar",
@@ -72,4 +70,4 @@
"sample_rate": 16000,
"channels": 1
}
-}
+}
\ No newline at end of file
diff --git a/dashboard/routes/_safe_io.py b/dashboard/routes/_safe_io.py
index 633ea7c..6bb53fd 100644
--- a/dashboard/routes/_safe_io.py
+++ b/dashboard/routes/_safe_io.py
@@ -58,13 +58,43 @@ def check_upload_size(content: bytes, max_bytes: int = MAX_UPLOAD_BYTES) -> None
def atomic_write_bytes(path: Path, data: bytes) -> None:
- """Write bytes atomically via tempfile + os.replace."""
+ """Write bytes atomically via tempfile + os.replace.
+
+ Fallback: a bind-MOUNTED single file (docker `-v host.txt:/app/x.txt`)
+ cannot be renamed over — os.replace raises EBUSY (errno 16) because the
+ mount pins the inode. In that case fall back to an in-place truncate+write
+ (not atomic, but the only way to persist through a file mount)."""
path.parent.mkdir(parents=True, exist_ok=True)
+ # Carry the target's mode/owner onto the replacement — mkstemp creates
+ # 0600 root, and dashboards run as root in containers over host-owned
+ # bind mounts: without this every save locks the host user out (root:600).
+ try:
+ st = path.stat()
+ except OSError:
+ st = None
fd, tmp = tempfile.mkstemp(prefix=f".{path.name}.", suffix=".tmp", dir=str(path.parent))
try:
with os.fdopen(fd, "wb") as f:
f.write(data)
+ try:
+ if st is not None:
+ os.chmod(tmp, st.st_mode & 0o7777)
+ os.chown(tmp, st.st_uid, st.st_gid)
+ else:
+ os.chmod(tmp, 0o664)
+ except OSError:
+ pass # chown needs root; keep the write even if it fails
os.replace(tmp, path)
+ except OSError as exc:
+ try:
+ os.unlink(tmp)
+ except OSError:
+ pass
+ if exc.errno == 16: # EBUSY — path is a bind-mounted file
+ with open(path, "wb") as f:
+ f.write(data)
+ return
+ raise
except Exception:
try:
os.unlink(tmp)
diff --git a/dashboard/routes/audio_control.py b/dashboard/routes/audio_control.py
index cd6f02e..82abe2f 100644
--- a/dashboard/routes/audio_control.py
+++ b/dashboard/routes/audio_control.py
@@ -627,6 +627,37 @@ def _kill_audio_daemon(flavour: str) -> dict:
"stderr": "timeout (>5s)"}
+def _remote_pulse_mode() -> bool:
+ """True when this process talks to ANOTHER machine-scope PulseAudio —
+ the containerized deployments (P1–P4) run as root with PULSE_SERVER
+ pointed at the host's socket. Restarting that daemon is not ours to do."""
+ return bool(os.environ.get("PULSE_SERVER")) or os.path.exists("/.dockerenv")
+
+
+def _cycle_remote_pulse() -> dict:
+ """Suspend→resume every sink/source on the remote (host) PulseAudio.
+ A suspend cycle forces the ALSA device rebind and clears wedged
+ streams — the useful part of a daemon restart, minus the restart."""
+ cycled: list[str] = []
+ for kind, flag in (("sinks", "suspend-sink"), ("sources", "suspend-source")):
+ try:
+ r = subprocess.run(["pactl", "list", "short", kind], check=False,
+ capture_output=True, text=True, timeout=5.0)
+ names = [ln.split("\t")[1] for ln in (r.stdout or "").splitlines()
+ if "\t" in ln]
+ except (FileNotFoundError, subprocess.SubprocessError):
+ names = []
+ for name in names:
+ if name.endswith(".monitor"):
+ continue
+ for state in ("1", "0"):
+ subprocess.run(["pactl", flag, name, state], check=False,
+ capture_output=True, text=True, timeout=5.0)
+ cycled.append(name)
+ return {"cmd": "remote pulse suspend/resume cycle", "returncode": 0,
+ "stderr": "", "cycled": cycled}
+
+
def _wait_for_pactl(deadline_s: float = 5.0, interval_s: float = 0.2) -> bool:
"""Poll `pactl info` until it returns 0 or the deadline expires."""
import time as _time
@@ -646,7 +677,8 @@ async def reset_audio_subsystem():
is being selected. **Does NOT recover a kernel-side missing USB capture
descriptor** — for that symptom use /api/audio/usb-reset.
"""
- if os.geteuid() == 0:
+ remote_pulse = _remote_pulse_mode()
+ if os.geteuid() == 0 and not remote_pulse:
raise HTTPException(
403, "Refusing to reset audio as root — Sanad must run as the "
"unitree user so the per-user PulseAudio session is reachable.",
@@ -687,9 +719,16 @@ async def reset_audio_subsystem():
if acquired and play_lock is not None:
play_lock.release()
- flavour = _detect_pa_flavour()
- kill_info = _kill_audio_daemon(flavour)
- came_back = _wait_for_pactl(deadline_s=5.0)
+ if remote_pulse:
+ # Containerized: the daemon is the HOST's — never kill it.
+ # Cycle its devices over the socket instead.
+ flavour = "pulse-remote"
+ kill_info = _cycle_remote_pulse()
+ came_back = _wait_for_pactl(deadline_s=5.0)
+ else:
+ flavour = _detect_pa_flavour()
+ kill_info = _kill_audio_daemon(flavour)
+ came_back = _wait_for_pactl(deadline_s=5.0)
if not came_back and flavour == "pulse":
# autospawn may be disabled — try an explicit start.
try:
diff --git a/dashboard/routes/live_subprocess.py b/dashboard/routes/live_subprocess.py
index 43e1610..636c24d 100644
--- a/dashboard/routes/live_subprocess.py
+++ b/dashboard/routes/live_subprocess.py
@@ -41,6 +41,237 @@ async def set_record(on: bool = Query(...)):
return {"ok": True, "record_enabled": st.record_enabled}
+_VOICE_OPTS_PATH = BASE_DIR / "data" / ".voice_options.json"
+
+
+def _read_voice_opts() -> dict:
+ import json
+ try:
+ with open(_VOICE_OPTS_PATH, encoding="utf-8") as f:
+ d = json.load(f)
+ return d if isinstance(d, dict) else {}
+ except Exception:
+ return {}
+
+
+@router.get("/interrupt-option")
+async def get_interrupt_option():
+ """Voice barge-in on external speakers (JBL / Beats Pill). Resolution:
+ dashboard toggle (data/.voice_options.json) > SANAD_EXTERNAL_BARGE_IN env
+ > voice_config.json barge_in.external_barge_in > off."""
+ import os
+ opts = _read_voice_opts()
+ if "external_barge_in" in opts:
+ return {"enabled": bool(opts["external_barge_in"]), "source": "dashboard"}
+ env = os.environ.get("SANAD_EXTERNAL_BARGE_IN", "").strip().lower()
+ if env in ("1", "true", "yes"):
+ return {"enabled": True, "source": "env"}
+ try:
+ from Project.Sanad.core.config_loader import section
+ if bool((section("voice", "barge_in") or {}).get("external_barge_in", False)):
+ return {"enabled": True, "source": "config"}
+ except Exception:
+ pass
+ return {"enabled": False, "source": "default"}
+
+
+@router.post("/interrupt-option")
+async def set_interrupt_option(on: bool = Query(...)):
+ """Persist the interrupt option (survives rebuilds — data/ is mounted) and
+ restart the live session so the voice child picks it up."""
+ import json
+ import tempfile
+ import os as _os
+ opts = _read_voice_opts()
+ opts["external_barge_in"] = bool(on)
+ _VOICE_OPTS_PATH.parent.mkdir(parents=True, exist_ok=True)
+ fd, tmp = tempfile.mkstemp(dir=str(_VOICE_OPTS_PATH.parent),
+ prefix=".voice_options.", suffix=".tmp")
+ with _os.fdopen(fd, "w", encoding="utf-8") as f:
+ json.dump(opts, f, indent=2)
+ _os.replace(tmp, _VOICE_OPTS_PATH)
+
+ restarted = False
+ from Project.Sanad.main import live_sub
+ if live_sub is not None:
+ try:
+ if (live_sub.status() or {}).get("running"):
+ await asyncio.to_thread(live_sub.stop)
+ await asyncio.to_thread(live_sub.start)
+ restarted = True
+ except Exception:
+ pass
+ return {"ok": True, "enabled": bool(on), "restarted": restarted}
+
+
+@router.get("/direct-answer-option")
+async def get_direct_answer_option():
+ """'Direct answer' = Gemini replies as soon as the speaker pauses (Live-API
+ end-of-speech sensitivity HIGH). Resolution: dashboard > env > config."""
+ import os
+ opts = _read_voice_opts()
+ if "direct_answer" in opts:
+ return {"enabled": bool(opts["direct_answer"]), "source": "dashboard"}
+ if os.environ.get("SANAD_DIRECT_ANSWER", "").strip().lower() in ("1", "true", "yes"):
+ return {"enabled": True, "source": "env"}
+ try:
+ from Project.Sanad.core.config_loader import section
+ if bool((section("voice", "vad") or {}).get("direct_answer", False)):
+ return {"enabled": True, "source": "config"}
+ except Exception:
+ pass
+ return {"enabled": False, "source": "default"}
+
+
+@router.post("/direct-answer-option")
+async def set_direct_answer_option(on: bool = Query(...)):
+ """Persist the direct-answer option and restart the live session."""
+ import json
+ import tempfile
+ import os as _os
+ opts = _read_voice_opts()
+ opts["direct_answer"] = bool(on)
+ _VOICE_OPTS_PATH.parent.mkdir(parents=True, exist_ok=True)
+ fd, tmp = tempfile.mkstemp(dir=str(_VOICE_OPTS_PATH.parent),
+ prefix=".voice_options.", suffix=".tmp")
+ with _os.fdopen(fd, "w", encoding="utf-8") as f:
+ json.dump(opts, f, indent=2)
+ _os.replace(tmp, _VOICE_OPTS_PATH)
+ restarted = False
+ from Project.Sanad.main import live_sub
+ if live_sub is not None:
+ try:
+ if (live_sub.status() or {}).get("running"):
+ await asyncio.to_thread(live_sub.stop)
+ await asyncio.to_thread(live_sub.start)
+ restarted = True
+ except Exception:
+ pass
+ return {"ok": True, "enabled": bool(on), "restarted": restarted}
+
+
+@router.get("/pure-voice-option")
+async def get_pure_voice_option():
+ """PURE VOICE = the live session built exactly like standalone Sanadv1:
+ no tools, no state injections, persona only, no lip-sync markers — the
+ fastest conversation pipe. Resolution: dashboard > env > config."""
+ import os
+ opts = _read_voice_opts()
+ if "pure_voice" in opts:
+ return {"enabled": bool(opts["pure_voice"]), "source": "dashboard"}
+ if os.environ.get("SANAD_PURE_VOICE", "").strip().lower() in ("1", "true", "yes"):
+ return {"enabled": True, "source": "env"}
+ try:
+ from Project.Sanad.core.config_loader import section
+ if bool((section("voice", "sanad_voice") or {}).get("pure_voice", False)):
+ return {"enabled": True, "source": "config"}
+ except Exception:
+ pass
+ return {"enabled": False, "source": "default"}
+
+
+@router.post("/pure-voice-option")
+async def set_pure_voice_option(on: bool = Query(...)):
+ """Persist the pure-voice option and restart the live session."""
+ import json
+ import tempfile
+ import os as _os
+ opts = _read_voice_opts()
+ opts["pure_voice"] = bool(on)
+ _VOICE_OPTS_PATH.parent.mkdir(parents=True, exist_ok=True)
+ fd, tmp = tempfile.mkstemp(dir=str(_VOICE_OPTS_PATH.parent),
+ prefix=".voice_options.", suffix=".tmp")
+ with _os.fdopen(fd, "w", encoding="utf-8") as f:
+ json.dump(opts, f, indent=2)
+ _os.replace(tmp, _VOICE_OPTS_PATH)
+ restarted = False
+ from Project.Sanad.main import live_sub
+ if live_sub is not None:
+ try:
+ if (live_sub.status() or {}).get("running"):
+ await asyncio.to_thread(live_sub.stop)
+ await asyncio.to_thread(live_sub.start)
+ restarted = True
+ except Exception:
+ pass
+ return {"ok": True, "enabled": bool(on), "restarted": restarted}
+
+
+@router.get("/internet-search-option")
+async def get_internet_search_option():
+ """INTERNET SEARCH = the live session gets the search_internet tool so Gemini
+ can look up current facts (prices, latest phones, live offers, news) via
+ Google Search grounding, announcing the search first. Resolution:
+ dashboard > env > config."""
+ import os
+ opts = _read_voice_opts()
+ if "internet_search" in opts:
+ return {"enabled": bool(opts["internet_search"]), "source": "dashboard"}
+ if os.environ.get("SANAD_INTERNET_SEARCH", "").strip().lower() in ("1", "true", "yes"):
+ return {"enabled": True, "source": "env"}
+ try:
+ from Project.Sanad.core.config_loader import section
+ if bool((section("voice", "sanad_voice") or {}).get("internet_search", False)):
+ return {"enabled": True, "source": "config"}
+ except Exception:
+ pass
+ return {"enabled": False, "source": "default"}
+
+
+@router.post("/internet-search-option")
+async def set_internet_search_option(on: bool = Query(...)):
+ """Persist the internet-search option and restart the live session so the
+ tool set (and persona addendum) is rebaked."""
+ import json
+ import tempfile
+ import os as _os
+ opts = _read_voice_opts()
+ opts["internet_search"] = bool(on)
+ _VOICE_OPTS_PATH.parent.mkdir(parents=True, exist_ok=True)
+ fd, tmp = tempfile.mkstemp(dir=str(_VOICE_OPTS_PATH.parent),
+ prefix=".voice_options.", suffix=".tmp")
+ with _os.fdopen(fd, "w", encoding="utf-8") as f:
+ json.dump(opts, f, indent=2)
+ _os.replace(tmp, _VOICE_OPTS_PATH)
+ restarted = False
+ from Project.Sanad.main import live_sub
+ if live_sub is not None:
+ try:
+ if (live_sub.status() or {}).get("running"):
+ await asyncio.to_thread(live_sub.stop)
+ await asyncio.to_thread(live_sub.start)
+ restarted = True
+ except Exception:
+ pass
+ return {"ok": True, "enabled": bool(on), "restarted": restarted}
+
+
+@router.post("/answer-now")
+async def answer_now():
+ """Force Gemini to reply immediately instead of waiting out the pause
+ detection (no-op while it is already speaking)."""
+ sub = _sub_or_503()
+ if not (sub.status() or {}).get("running"):
+ raise HTTPException(409, "Live session not running")
+ if not hasattr(sub, "send_answer_now"):
+ raise HTTPException(501, "engine build lacks send_answer_now")
+ await asyncio.to_thread(sub.send_answer_now)
+ return {"ok": True}
+
+
+@router.post("/interrupt")
+async def interrupt_speech():
+ """Instantly stop the AI mid-sentence and go back to listening (works
+ regardless of the barge-in option; no-op if it isn't speaking)."""
+ sub = _sub_or_503()
+ if not (sub.status() or {}).get("running"):
+ raise HTTPException(409, "Live session not running")
+ if not hasattr(sub, "send_interrupt"):
+ raise HTTPException(501, "engine build lacks send_interrupt")
+ await asyncio.to_thread(sub.send_interrupt)
+ return {"ok": True}
+
+
@router.post("/start")
async def start_subprocess():
live_sub = _sub_or_503()
diff --git a/dashboard/routes/voice.py b/dashboard/routes/voice.py
index a3d1b88..8edf2f3 100644
--- a/dashboard/routes/voice.py
+++ b/dashboard/routes/voice.py
@@ -173,10 +173,12 @@ async def update_api_key(payload: ApiKeyPayload):
raise HTTPException(400, "API key cannot be empty.")
if len(key) < 20:
raise HTTPException(400, "API key looks too short.")
- if not key.startswith("AIza"):
+ # Google AI Studio issues classic "AIza..." keys and (since late 2025)
+ # new-format "AQ...." keys — both are plain x-goog-api-key API keys.
+ if not key.startswith(("AIza", "AQ.")):
raise HTTPException(
400,
- "Gemini API keys normally start with 'AIza'. "
+ "Gemini API keys start with 'AIza' (classic) or 'AQ.' (new format). "
"Double-check you're pasting a Google AI Studio key.",
)
diff --git a/dashboard/static/index.html b/dashboard/static/index.html
index 50dac2c..14b2c84 100644
--- a/dashboard/static/index.html
+++ b/dashboard/static/index.html
@@ -302,7 +302,7 @@
-
+
–
@@ -314,7 +314,7 @@
- Controls the ACTIVE speaker — G1 chest (DDS) + the selected PulseAudio sink (JBL/Anker). Applies live.
+ Controls the ACTIVE speaker — G1 chest (DDS) + the selected PulseAudio sink (JBL / Anker / Beats Pill / any plugged). Applies live.
@@ -405,9 +405,15 @@
+
+
+ Pure: …
+ Direct: …
+ Interrupt: …
+ Search: …Pause: Auto
@@ -2068,6 +2074,90 @@ function updateLiveHoldUI(hold){
pm.className='badge '+(hold?'badge-warn':'badge-ok');
}
}
+let _pureOpt=null;
+function _paintPureBadge(){
+ const b=document.getElementById('ls-pure');
+ if(!b)return;
+ b.textContent='Pure: '+(_pureOpt===null?'…':(_pureOpt?'ON':'OFF'));
+ b.className='badge '+(_pureOpt?'badge-ok':'');
+}
+async function refreshPureOpt(){
+ try{const r=await api('GET','/api/live-subprocess/pure-voice-option');_pureOpt=!!r.enabled;_paintPureBadge();}catch(e){}
+}
+async function togglePureOpt(){
+ const want=!_pureOpt;
+ try{
+ const r=await api('POST','/api/live-subprocess/pure-voice-option?on='+want);
+ _pureOpt=!!r.enabled;_paintPureBadge();
+ toast('Pure voice '+(_pureOpt?'ON — Sanadv1-style session':'OFF — full features')+(r.restarted?' (session restarted)':''));
+ }catch(e){toast('Pure toggle failed: '+(e.message||e));}
+}
+setTimeout(refreshPureOpt,1000);
+let _searchOpt=null;
+function _paintSearchBadge(){
+ const b=document.getElementById('ls-search');
+ if(!b)return;
+ b.textContent='Search: '+(_searchOpt===null?'…':(_searchOpt?'ON':'OFF'));
+ b.className='badge '+(_searchOpt?'badge-ok':'');
+}
+async function refreshSearchOpt(){
+ try{const r=await api('GET','/api/live-subprocess/internet-search-option');_searchOpt=!!r.enabled;_paintSearchBadge();}catch(e){}
+}
+async function toggleSearchOpt(){
+ const want=!_searchOpt;
+ try{
+ const r=await api('POST','/api/live-subprocess/internet-search-option?on='+want);
+ _searchOpt=!!r.enabled;_paintSearchBadge();
+ toast('Internet search '+(_searchOpt?'ON — Sanad can look up current info':'OFF — pure voice, no search')+(r.restarted?' (session restarted)':''));
+ }catch(e){toast('Search toggle failed: '+(e.message||e));}
+}
+setTimeout(refreshSearchOpt,1050);
+let _dirOpt=null;
+function _paintDirectBadge(){
+ const b=document.getElementById('ls-direct');
+ if(!b)return;
+ b.textContent='Direct: '+(_dirOpt===null?'…':(_dirOpt?'ON':'OFF'));
+ b.className='badge '+(_dirOpt?'badge-ok':'');
+}
+async function refreshDirectOpt(){
+ try{const r=await api('GET','/api/live-subprocess/direct-answer-option');_dirOpt=!!r.enabled;_paintDirectBadge();}catch(e){}
+}
+async function toggleDirectOpt(){
+ const want=!_dirOpt;
+ try{
+ const r=await api('POST','/api/live-subprocess/direct-answer-option?on='+want);
+ _dirOpt=!!r.enabled;_paintDirectBadge();
+ toast('Direct answer '+(_dirOpt?'ON':'OFF')+(r.restarted?' — live session restarted':''));
+ }catch(e){toast('Direct toggle failed: '+(e.message||e));}
+}
+setTimeout(refreshDirectOpt,950);
+let _intOpt=null;
+function _paintInterruptBadge(){
+ const b=document.getElementById('ls-interrupt');
+ if(!b)return;
+ b.textContent='Interrupt: '+(_intOpt===null?'…':(_intOpt?'ON':'OFF'));
+ b.className='badge '+(_intOpt?'badge-ok':'');
+}
+async function refreshInterruptOpt(){
+ try{const r=await api('GET','/api/live-subprocess/interrupt-option');_intOpt=!!r.enabled;_paintInterruptBadge();}catch(e){}
+}
+async function answerNow(){
+ try{await api('POST','/api/live-subprocess/answer-now');toast('Answering now…');}
+ catch(e){toast('Answer-now failed: '+(e.message||e));}
+}
+async function instantInterrupt(){
+ try{await api('POST','/api/live-subprocess/interrupt');toast('Interrupted — listening');}
+ catch(e){toast('Interrupt failed: '+(e.message||e));}
+}
+async function toggleInterruptOpt(){
+ const want=!_intOpt;
+ try{
+ const r=await api('POST','/api/live-subprocess/interrupt-option?on='+want);
+ _intOpt=!!r.enabled;_paintInterruptBadge();
+ toast('Interrupt '+(_intOpt?'ON':'OFF')+(r.restarted?' — live session restarted':''));
+ }catch(e){toast('Interrupt toggle failed: '+(e.message||e));}
+}
+setTimeout(refreshInterruptOpt,900);
async function refreshPlaybackStatus(){
try{
const s=await api('GET','/api/records/playback-status');
diff --git a/gemini/script.py b/gemini/script.py
index e745a21..4940792 100644
--- a/gemini/script.py
+++ b/gemini/script.py
@@ -55,11 +55,23 @@ _MODEL = os.environ.get(
"SANAD_GEMINI_MODEL",
"gemini-2.5-flash-native-audio-preview-12-2025",
)
-_MIC_GAIN = _SV.get("mic_gain", 1.0)
+# Mic gain: amplifies mic samples before they reach Gemini — the single
+# biggest lever for slow/failed speech detection at a distance (weak audio
+# transcribes but often yields NO reply turn). Env override for per-robot
+# tuning; watch for clipping if the speaker stands close (>3.0 rarely wise).
+try:
+ _MIC_GAIN = float(os.environ.get("SANAD_MIC_GAIN", "") or _SV.get("mic_gain", 1.0))
+except ValueError:
+ _MIC_GAIN = _SV.get("mic_gain", 1.0)
_SESSION_TIMEOUT = _SV.get("session_timeout_sec", 660)
_MAX_RECONNECT_DELAY = _SV.get("max_reconnect_delay_sec", 30)
_MAX_CONSECUTIVE_ERRORS = _SV.get("max_consecutive_errors", 10)
-_NO_MESSAGES_TIMEOUT = _SV.get("no_messages_timeout_sec", 30)
+# How long with ZERO messages from Gemini before we declare the session dead.
+# In a QUIET room Gemini legitimately sends nothing — 30s was killing healthy
+# sessions every ~40s (reconnect churn + unsolicited greeting + a 1-3s deaf
+# window each time). REAL deaths are caught fast by the send path ("mic send
+# failed: 1011 ..."), so this can be patient.
+_NO_MESSAGES_TIMEOUT = _SV.get("no_messages_timeout_sec", 180)
# Extra mic-gate time after the AI stops, on loud external-speaker profiles
# (JBL) — covers the speaker buffer + room reverb so it doesn't hear its tail.
_ECHO_TAIL_SEC = _SV.get("echo_tail_sec", 0.6)
@@ -77,6 +89,67 @@ _JBL_BARGE_CHUNKS = _SV.get("jbl_barge_chunks", 9)
# FADED (a gap between words/numbers). In that window barge-in drops to a low,
# sensitive bar so the user can interrupt; while audio is flowing it stays high.
_JBL_BLEED_FADE_SEC = _SV.get("jbl_bleed_fade_sec", 0.5)
+# OPTION: allow voice barge-in on loud external speakers (JBL / Beats Pill).
+# The mic feed to Gemini STAYS fully gated while the AI speaks (echo-safe);
+# this only enables the LOCAL energy detector to cut the speaker, using the
+# stricter external parameters (threshold×margin, longer grace, more sustained
+# chunks) so speaker bleed can't false-trigger. Env > config; default OFF.
+_EXTERNAL_BARGE_IN = (
+ os.environ.get("SANAD_EXTERNAL_BARGE_IN", "").strip().lower() in ("1", "true", "yes")
+ or bool(_BI.get("external_barge_in", False))
+)
+# OPTION: "direct answer" — reply as soon as the speaker pauses. Flips the
+# Live-API end-of-speech sensitivity from LOW (conservative: waits to be sure
+# you finished, feels slow) to HIGH (immediate turn-taking; may cut off very
+# hesitant speakers mid-thought). Env > config; dashboard file has final say.
+_DIRECT_ANSWER = (
+ os.environ.get("SANAD_DIRECT_ANSWER", "").strip().lower() in ("1", "true", "yes")
+ or bool(_VAD.get("direct_answer", False))
+)
+
+# OPTION: PURE VOICE — make the live session EXACTLY like standalone Sanadv1:
+# no tools (no function-calling deliberation), no state injections, persona
+# only (no face addendum), no lip-sync markers, no frame/state loops. The
+# fastest possible conversation pipe; mask/nav/vision hooks are dormant.
+_PURE_VOICE = (
+ os.environ.get("SANAD_PURE_VOICE", "").strip().lower() in ("1", "true", "yes")
+ or bool(_SV.get("pure_voice", False))
+)
+
+# OPTION: INTERNET SEARCH (Google Search grounding). When ON, the live session
+# gets ONE extra tool, `search_internet(query)`, so the model can look up
+# CURRENT facts (today's prices, the newest phones, live Etisalat offers, news).
+# The tool description tells the model to SAY it will check first, then call the
+# tool — so the robot announces "let me search the internet", the parent runs
+# the grounded generateContent call in a worker thread, and the model speaks the
+# result. Default OFF → pure voice stays tool-free and Sanadv1-fast; only when
+# a search actually fires does the (announced) grounding delay occur.
+_INTERNET_SEARCH = (
+ os.environ.get("SANAD_INTERNET_SEARCH", "").strip().lower() in ("1", "true", "yes")
+ or bool(_SV.get("internet_search", False))
+)
+# Model used for the grounded web-search call (generateContent, NOT the live
+# native-audio model). gemini-3.5-flash grounds well and cites the source site.
+_SEARCH_MODEL = os.environ.get("SANAD_SEARCH_MODEL", "gemini-3.5-flash")
+
+# The dashboard toggles (data/.voice_options.json, written by the
+# /api/live-subprocess/*-option endpoints, which then restart this child)
+# have the FINAL say over env/config.
+try:
+ import json as _vo_json
+ with open(BASE_DIR / "data" / ".voice_options.json", encoding="utf-8") as _vo_f:
+ _vo = _vo_json.load(_vo_f)
+ if isinstance(_vo, dict):
+ if "external_barge_in" in _vo:
+ _EXTERNAL_BARGE_IN = bool(_vo["external_barge_in"])
+ if "direct_answer" in _vo:
+ _DIRECT_ANSWER = bool(_vo["direct_answer"])
+ if "pure_voice" in _vo:
+ _PURE_VOICE = bool(_vo["pure_voice"])
+ if "internet_search" in _vo:
+ _INTERNET_SEARCH = bool(_vo["internet_search"])
+except Exception:
+ pass
_CHUNK_BYTES = CHUNK_SIZE * 2
_SILENCE_PCM = b"\x00" * _CHUNK_BYTES
@@ -88,6 +161,15 @@ _SILENCE_PCM = b"\x00" * _CHUNK_BYTES
# safe to read from the asyncio loops.
_INPUT_PAUSED = threading.Event()
+# Set by an "interrupt:" stdin command (the dashboard's Interrupt-now button).
+# The mic loop consumes it: stops the speaker mid-sentence, back to listening.
+_MANUAL_INTERRUPT = threading.Event()
+
+# Set by an "answernow:" stdin command (the dashboard's Answer-now button).
+# The mic loop feeds ~0.6s of silence so the server VAD closes the user's turn
+# immediately → Gemini answers right away instead of waiting out the pause.
+_FORCE_ANSWER = threading.Event()
+
# ── Recognition (camera + face gallery) tunables ──
_RECOG_STATE_PATH = Path(os.environ.get(
"SANAD_RECOGNITION_STATE_PATH",
@@ -195,6 +277,72 @@ def _nav_function_declarations() -> list:
]
+def _search_function_declaration() -> list:
+ """Live tool: search the internet (Google Search grounding) for current facts."""
+ S, T = types.Schema, types.Type
+ return [
+ types.FunctionDeclaration(
+ name="search_internet",
+ description=(
+ "Search the LIVE internet for CURRENT, real-time facts you cannot "
+ "otherwise know: today's prices, the newest phone / device models, "
+ "current Etisalat / e& offers and promotions, product availability, "
+ "or recent news. IMPORTANT: BEFORE you call this, first SAY one "
+ "short sentence out loud telling the user you will check — e.g. "
+ "\"Let me search the internet for that.\" / "
+ "\"دعني أبحث لك على الإنترنت.\" — "
+ "then call this with a clear English search query. After the "
+ "result returns, answer the user naturally from it. Do NOT say the "
+ "tool name out loud. Only use this for genuinely current / "
+ "time-sensitive questions, not for things you already know."
+ ),
+ parameters=S(type=T.OBJECT, properties={
+ "query": S(type=T.STRING,
+ description="The web-search query, phrased in English."),
+ }, required=["query"]),
+ ),
+ ]
+
+
+# Appended to the persona ONLY when internet search is enabled, so the model
+# knows it can (and how to) look things up. Kept short — the tool description
+# carries the detail.
+_SEARCH_PROMPT_ADDENDUM = (
+ "\n\nYou can look things up on the live internet with the search_internet "
+ "tool. Use it whenever the user asks about current prices, the latest phones "
+ "or devices, today's Etisalat/e& offers, availability, or recent news — "
+ "anything you can't be certain is up to date. ALWAYS say a short 'let me "
+ "check the internet' line first (in the user's language), then call the tool, "
+ "then answer from the result. Keep answers concise and, for exact prices, add "
+ "that a sales advisor can confirm the final figure. "
+ "CRITICAL: after the search result returns, CONTINUE where you left off — "
+ "NEVER repeat or re-say any sentence you already spoke, including the 'let me "
+ "check the internet' lead-in. If your reply is complete, stop and wait."
+)
+
+
+def _run_grounding_search(query: str, api_key: str) -> dict:
+ """Blocking Google-Search-grounded generateContent call (run in a thread).
+ Returns {ok, answer} for the model to speak, or {ok: False, reason}."""
+ try:
+ client = genai.Client(api_key=api_key)
+ resp = client.models.generate_content(
+ model=_SEARCH_MODEL,
+ contents=query,
+ config=types.GenerateContentConfig(
+ tools=[types.Tool(google_search=types.GoogleSearch())],
+ ),
+ )
+ answer = (getattr(resp, "text", "") or "").strip()
+ if not answer:
+ return {"ok": False, "reason": "empty_result"}
+ # Cap length so the spoken reply stays reasonable.
+ return {"ok": True, "answer": answer[:1500]}
+ except Exception as exc:
+ log.warning("internet search failed: %s", exc)
+ return {"ok": False, "reason": "search_failed", "detail": str(exc)[:200]}
+
+
# Emotions Gemini can show on the LED face (a subset of the mask's frames that
# read as feelings — the talk/blink/gaze frames are driven automatically).
_FACE_EMOTIONS = ("smile", "laugh", "heart", "love", "sad", "surprised",
@@ -221,7 +369,10 @@ _FACE_PROMPT_ADDENDUM = (
"Instagram, or to see/show your social media, ALWAYS call show_social with "
"'bu_sunaidah' (@bu.sunaidah) or 'yslootahtech' (@yslootahtech) to display "
"the QR on your face. These tools are silent — never say the tool name, the "
- "emotion, or any bracket marker out loud."
+ "emotion, or any bracket marker out loud. CRITICAL: after any tool returns, "
+ "CONTINUE exactly where you left off — NEVER repeat or re-say sentences you "
+ "already spoke before the tool call. If your reply was already complete, do "
+ "not speak again; wait silently for the user."
)
@@ -239,7 +390,8 @@ def _face_function_declarations() -> list:
"surprised when astonished, confused when you didn't understand, wink "
"when joking, sad when empathizing, cool when playful, sleepy when "
"tired, angry only rarely. Your mouth already lip-syncs on its own — "
- "this is ONLY the emotion, not the mouth."
+ "this is ONLY the emotion, not the mouth. After this tool returns, never "
+ "repeat what you already said — continue your sentence or stay silent."
),
parameters=S(type=T.OBJECT, properties={
"emotion": S(type=T.STRING, enum=list(_FACE_EMOTIONS),
@@ -301,7 +453,7 @@ _PROFILE_LOCK = threading.Lock()
_PROFILE_PENDING: dict = {"id": None, "reason": ""}
_VALID_PROFILES = {"builtin", "anker", "anker_powerconf",
- "hollyland_builtin", "jbl_builtin_mic"}
+ "hollyland_builtin", "jbl_builtin_mic", "beats_pill"}
def _stdin_watcher() -> None:
@@ -334,6 +486,10 @@ def _stdin_watcher() -> None:
with _LATEST_FRAME_LOCK:
_LATEST_FRAME["bytes"] = data
_LATEST_FRAME["ts"] = time.time()
+ elif line.startswith("interrupt:"):
+ _MANUAL_INTERRUPT.set()
+ elif line.startswith("answernow:"):
+ _FORCE_ANSWER.set()
elif line.startswith("state:"):
try:
payload = json.loads(line[len("state:"):])
@@ -417,7 +573,13 @@ class GeminiBrain:
self._swap_lock: Optional[asyncio.Lock] = None # built in run()
self._recorder = recorder
self._voice = voice_name or GEMINI_VOICE
- self._system_prompt = (system_prompt or "") + _FACE_PROMPT_ADDENDUM
+ # PURE VOICE: persona only — no face/tool addendum (Sanadv1 parity).
+ self._system_prompt = ((system_prompt or "") if _PURE_VOICE
+ else (system_prompt or "") + _FACE_PROMPT_ADDENDUM)
+ # Internet-search addendum is independent of pure voice — the search
+ # tool is available in either mode when the option is enabled.
+ if _INTERNET_SEARCH:
+ self._system_prompt += _SEARCH_PROMPT_ADDENDUM
self._api_key = GEMINI_API_KEY
self._stop_flag = asyncio.Event()
# per-session state (reset in the outer reconnect loop)
@@ -511,6 +673,10 @@ class GeminiBrain:
if self._swap_lock is None:
self._swap_lock = asyncio.Lock()
+ # PURE VOICE is TOGGLE-AWARE: all loops run (cheap when
+ # their feature is off) — pure-ness is enforced per-feature
+ # (announce guards + tools) so enabling Camera/Movement in
+ # the dashboard works live, and disabling returns to pure.
try:
await asyncio.wait_for(
asyncio.gather(
@@ -573,10 +739,15 @@ class GeminiBrain:
types.StartSensitivity,
_VAD.get("start_sensitivity", "START_SENSITIVITY_HIGH"),
),
- end_of_speech_sensitivity=getattr(
- types.EndSensitivity,
- _VAD.get("end_sensitivity", "END_SENSITIVITY_LOW"),
- ),
+ # "Direct answer" option: HIGH = reply the moment the
+ # speaker pauses; otherwise the configured (LOW) default
+ # waits longer to be sure the speaker finished.
+ end_of_speech_sensitivity=(
+ types.EndSensitivity.END_SENSITIVITY_HIGH
+ if _DIRECT_ANSWER else getattr(
+ types.EndSensitivity,
+ _VAD.get("end_sensitivity", "END_SENSITIVITY_LOW"),
+ )),
prefix_padding_ms=_VAD.get("prefix_padding_ms", 20),
silence_duration_ms=_VAD.get("silence_duration_ms", 200),
),
@@ -591,11 +762,28 @@ class GeminiBrain:
# stop_navigation). Disable with SANAD_NAV_TOOLS=0.
# Native function-calling: nav tools (if enabled) + the always-on
# expressive-face / social-QR tools (set_expression / show_social).
- tools=[types.Tool(function_declarations=(
- (_nav_function_declarations() if _NAV_TOOLS_ENABLED else [])
- + _face_function_declarations()))],
+ # PURE VOICE: no tools (the reply-latency tax) — EXCEPT nav tools
+ # when movement is enabled (walking commands need them). Face
+ # tools stay off in pure.
+ tools=self._build_tools(),
)
+ def _build_tools(self) -> Any:
+ """Assemble the live-session function tools. PURE VOICE keeps this None
+ (the reply-latency tax) UNLESS movement is on (nav tools) or internet
+ search is on (the search tool). Face tools stay off in pure voice."""
+ decls: list = []
+ # Nav tools: whenever NOT (pure and not moving) and nav is enabled.
+ if _NAV_TOOLS_ENABLED and (self._movement_enabled or not _PURE_VOICE):
+ decls += _nav_function_declarations()
+ # Face/social tools: only outside pure voice.
+ if not _PURE_VOICE:
+ decls += _face_function_declarations()
+ # Internet-search tool: whenever the option is enabled (either mode).
+ if _INTERNET_SEARCH:
+ decls += _search_function_declaration()
+ return [types.Tool(function_declarations=decls)] if decls else None
+
# ─── state helpers ────────────────────────────────────
def _reset_turn_state(self) -> None:
@@ -635,6 +823,7 @@ class GeminiBrain:
loop = asyncio.get_event_loop()
loud_count = 0
last_activity = time.time()
+ force_silence_until = 0.0 # Answer-now button: silence burst window
while not self._done.is_set() and not self._stop_flag.is_set():
try:
@@ -649,6 +838,27 @@ class GeminiBrain:
data = samples.tobytes()
energy = _audio_energy(data)
now = time.time()
+
+ # Dashboard Answer-now button: feed the server VAD a silence burst
+ # so it closes the user's turn NOW → immediate reply.
+ if _FORCE_ANSWER.is_set():
+ _FORCE_ANSWER.clear()
+ if not self._speaking:
+ force_silence_until = now + 0.6
+ log.info("ANSWER NOW (dashboard) — forcing turn end")
+
+ # Dashboard Interrupt-now button: cut speech instantly AND stay
+ # SILENT until the user speaks — arming the greeting suppression
+ # also swallows any in-flight or reconnect-greeting audio, so a
+ # press while "listening" can never be followed by Sanad talking
+ # on his own.
+ if _MANUAL_INTERRUPT.is_set():
+ _MANUAL_INTERRUPT.clear()
+ log.info("MANUAL INTERRUPT (dashboard)%s",
+ "" if self._speaking else " — idle; muted until user speaks")
+ self._interrupt("manual")
+ self._barge_block_until = now + cooldown
+ self._suppress_greeting = True
# On the JBL (loud external speaker) the head mic hears the robot's
# OWN voice as loud as the user. We FULLY gate the mic to Gemini while
# it speaks (+ a short echo tail) so it NEVER hears itself, and we
@@ -657,24 +867,38 @@ class GeminiBrain:
# model. (Reliable JBL interrupt needs AEC; the only PulseAudio mic is
# dead, so that's separate work.) The chest speaker (builtin) keeps
# light quiet-frame suppression + working barge-in (firmware AEC).
- full_gate = "jbl" in (self._current_profile_id or "")
+ # The Beats Pill (USB) is the same regime as the JBL: loud external
+ # speaker with a raw AEC-less mic inches away — the mic feed to
+ # Gemini is ALWAYS fully gated while speaking (echo-safe). Voice
+ # barge-in on external speakers is an OPTION (_EXTERNAL_BARGE_IN):
+ # the LOCAL detector cuts the speaker using stricter parameters.
+ external = any(t in (self._current_profile_id or "")
+ for t in ("jbl", "beats"))
+ full_gate = external
+ allow_barge = (not external) or _EXTERNAL_BARGE_IN
- # Barge-in: sustained user energy cuts the AI — chest profile only.
- if self._speaking and not full_gate and now >= self._barge_block_until:
- if (now - self._ai_speak_start) >= grace:
- if energy > threshold:
+ # Barge-in: sustained user energy cuts the AI.
+ if self._speaking and allow_barge and now >= self._barge_block_until:
+ eff_grace = _JBL_BARGE_GRACE if external else grace
+ eff_threshold = threshold * _JBL_BLEED_MARGIN if external else threshold
+ eff_chunks = _JBL_BARGE_CHUNKS if external else chunks_needed
+ if (now - self._ai_speak_start) >= eff_grace:
+ if energy > eff_threshold:
loud_count += 1
else:
loud_count = max(0, loud_count - 1)
- if loud_count > chunks_needed:
- log.info("BARGE-IN (e=%d)", energy)
+ if loud_count > eff_chunks:
+ log.info("BARGE-IN (e=%d, external=%s)", energy, external)
self._interrupt("barge-in")
loud_count = 0
self._barge_block_until = now + cooldown
# Echo suppression: mask the mic so the model doesn't hear its own bleed.
send_data = data
- if _INPUT_PAUSED.is_set():
+ if now < force_silence_until:
+ # Answer-now: mask the mic so the server VAD sees pure silence.
+ send_data = _SILENCE_PCM
+ elif _INPUT_PAUSED.is_set():
# Paused for a record playback — feed silence so Gemini neither
# hears the record nor keeps talking over it.
send_data = _SILENCE_PCM
@@ -835,7 +1059,8 @@ class GeminiBrain:
# mouth-open level (0..3) from this chunk's RMS,
# throttled. Parsed by GeminiSubprocess._reader_loop.
_mnow = time.time()
- if _mnow - getattr(self, "_mouth_t", 0.0) >= 0.08:
+ if not _PURE_VOICE and \
+ _mnow - getattr(self, "_mouth_t", 0.0) >= 0.08:
_rms = (float(np.sqrt(np.mean(
audio.astype(np.float32) ** 2))) if audio.size else 0.0)
# Lower thresholds bias the mouth more open
@@ -892,6 +1117,10 @@ class GeminiBrain:
async def _announce_vision_state(self, session: Any, enabled: bool,
is_toggle: bool) -> None:
+ if _PURE_VOICE and not enabled and not is_toggle:
+ # PURE: skip the "disabled" standing-context injection — only
+ # ENABLED features get announced/used (toggles always announce).
+ return
if is_toggle and enabled:
text = (
"[VISION ON] Your camera was just enabled — you can now see "
@@ -935,6 +1164,10 @@ class GeminiBrain:
async def _announce_facerec_state(self, session: Any, enabled: bool,
is_toggle: bool) -> None:
+ if _PURE_VOICE and not enabled and not is_toggle:
+ # PURE: skip the "disabled" standing-context injection — only
+ # ENABLED features get announced/used (toggles always announce).
+ return
if is_toggle and enabled:
text = (
"[FACE RECOGNITION ON] Face recognition was just enabled — "
@@ -979,6 +1212,10 @@ class GeminiBrain:
async def _announce_zonerec_state(self, session: Any, enabled: bool,
is_toggle: bool) -> None:
+ if _PURE_VOICE and not enabled and not is_toggle:
+ # PURE: skip the "disabled" standing-context injection — only
+ # ENABLED features get announced/used (toggles always announce).
+ return
if is_toggle and enabled:
text = (
"[ZONE RECOGNITION ON] You were just given the zones and places "
@@ -1140,6 +1377,13 @@ class GeminiBrain:
"places": r.get("places", [])}
if name == "stop_navigation":
return await asyncio.to_thread(_nav_api, "POST", "/api/nav/cancel", None)
+ if name == "search_internet":
+ query = str(args.get("query") or "").strip()
+ if not query:
+ return {"ok": False, "reason": "no_query"}
+ log.info("[[SEARCH:%s]]", query) # breadcrumb for the dashboard
+ return await asyncio.to_thread(
+ _run_grounding_search, query, self._api_key)
if name == "set_expression":
emotion = str(args.get("emotion") or "").strip().lower()
if emotion not in _FACE_EMOTIONS:
@@ -1165,6 +1409,10 @@ class GeminiBrain:
async def _announce_movement_state(self, session: Any, enabled: bool,
is_toggle: bool) -> None:
+ if _PURE_VOICE and not enabled and not is_toggle:
+ # PURE: skip the "disabled" standing-context injection — only
+ # ENABLED features get announced/used (toggles always announce).
+ return
if is_toggle and enabled:
text = (
"[MOVEMENT ON] Walking is now enabled — you can move when the "
@@ -1490,6 +1738,12 @@ class GeminiBrain:
await self._announce_movement_state(
session, self._movement_enabled, is_toggle=True,
)
+ if _PURE_VOICE:
+ # PURE: tools are baked per-session (nav tools only while
+ # movement is on) — cycle the session so the toggle takes
+ # effect on the function-calling side too.
+ log.info("pure-voice: cycling session to rebake nav tools")
+ self._done.set()
# Auto-record toggle — flip the recorder live (no session restart).
if new_state.record_enabled != last_state.record_enabled:
@@ -1520,6 +1774,12 @@ class GeminiBrain:
await asyncio.sleep(max(period, backoff))
if not self._vision_enabled:
continue
+ # Never compete with the INCOMING audio stream while the AI is
+ # speaking — a frame upload on the shared websocket delays audio
+ # chunks, which breaks the chest speaker (tiny firmware buffer;
+ # the pulse/Pill path hides it behind its own buffering).
+ if self._speaking or (time.time() - self._last_ai_audio) < 0.5:
+ continue
with _LATEST_FRAME_LOCK:
data = _LATEST_FRAME.get("bytes")
ts = _LATEST_FRAME.get("ts", 0.0)
diff --git a/gemini/subprocess.py b/gemini/subprocess.py
index 862436a..2fba29a 100644
--- a/gemini/subprocess.py
+++ b/gemini/subprocess.py
@@ -38,7 +38,9 @@ _FRAME_FORWARD_INTERVAL_S = float(_LS_CFG.get("frame_forward_interval_sec", 0.5)
# Audio profile watcher — poll pactl for the Anker USB device at this
# interval, send "profile:" to the child on every state change.
-_AUDIO_WATCH_INTERVAL_S = float(_LS_CFG.get("audio_watch_interval_sec", 1.5))
+# 5s: each poll shells out to pactl several times (detect_plugged_profiles) —
+# 1.5s was a constant subprocess storm for a rare event (device hot-plug).
+_AUDIO_WATCH_INTERVAL_S = float(_LS_CFG.get("audio_watch_interval_sec", 5.0))
# The Anker profile id, as defined in voice/audio_devices.py. When this
# profile is fully plugged (both sink + source present), we switch the
@@ -562,7 +564,7 @@ class GeminiSubprocess:
if the process isn't running or stdin is closed."""
pid = (profile_id or "").strip().lower()
if pid not in {"builtin", "anker", "anker_powerconf",
- "hollyland_builtin", "jbl_builtin_mic"}:
+ "hollyland_builtin", "jbl_builtin_mic", "beats_pill"}:
log.warning("send_profile: ignoring unknown profile %r", profile_id)
return
payload: dict[str, Any] = {"id": pid}
@@ -580,6 +582,16 @@ class GeminiSubprocess:
owns the chest speaker, then resumes. No-op if not running."""
self._send_stdin("pause:%d\n" % (1 if paused else 0))
+ def send_interrupt(self) -> None:
+ """Instantly stop the AI's current speech (dashboard Interrupt-now
+ button) — the child stops the speaker and returns to listening."""
+ self._send_stdin("interrupt:1\n")
+
+ def send_answer_now(self) -> None:
+ """Force Gemini to answer immediately (dashboard Answer-now button) —
+ the child feeds the server VAD a short silence burst to close the turn."""
+ self._send_stdin("answernow:1\n")
+
def _audio_watcher(self) -> None:
"""Background thread — poll pactl for the Anker USB device, signal
the child on every plug/unplug edge transition.
diff --git a/vision/camera.py b/vision/camera.py
index 003122e..33b62ad 100644
--- a/vision/camera.py
+++ b/vision/camera.py
@@ -23,6 +23,7 @@ from __future__ import annotations
import base64
import os
+import re
import threading
import time
from typing import Optional
@@ -386,6 +387,46 @@ class CameraDaemon:
log.info("USB camera unavailable: %s", exc)
return None
+ # Pinned DEVICE PATH — strongest pin. A /dev/v4l/by-path/... symlink is
+ # keyed to the physical USB port + interface, so it survives the
+ # re-enumeration that silently moves raw /dev/videoN indices around
+ # (observed on the D435i: colour node drifted 12→6→5 across replugs).
+ # Resolve the symlink to the current /dev/videoN and open that.
+ dev_path = os.environ.get("SANAD_CAMERA_DEVICE", "").strip()
+ if dev_path:
+ # Glob patterns allowed: a D435i that renegotiates USB3→USB2
+ # changes its bus/port prefix, but the INTERFACE suffix is
+ # invariant — e.g. "/dev/v4l/by-path/*-usb-*:1.3-video-index0"
+ # always names the RGB capture node wherever it enumerates.
+ import glob as _glob
+ if any(c in dev_path for c in "*?["):
+ candidates = sorted(_glob.glob(dev_path))
+ if not candidates:
+ log.warning("USB camera: SANAD_CAMERA_DEVICE pattern %s "
+ "matched nothing — falling back to index pin "
+ "/ scan", dev_path)
+ else:
+ candidates = [dev_path]
+ for cand in candidates:
+ real = os.path.realpath(cand)
+ m = re.match(r"^/dev/video(\d+)$", real)
+ if not m:
+ log.warning("USB camera: %s does not resolve to a "
+ "/dev/videoN node (got %s)", cand, real)
+ continue
+ backend = self._open_usb_index(int(m.group(1)), w, h, f, cv2)
+ if backend is not None:
+ fw, fh = backend["frame_wh"]
+ log.info("USB camera: pinned by path %s → /dev/video%d "
+ "(%dx%d, %s)", cand, backend["index"], fw, fh,
+ "colour" if backend["is_color"] else "grayscale/IR")
+ return backend
+ log.warning("USB camera: pinned path %s (→ %s) unusable",
+ cand, real)
+ if candidates:
+ log.warning("USB camera: no SANAD_CAMERA_DEVICE candidate "
+ "usable — falling back to index pin / scan")
+
# Pinned index — accept whatever it is (colour or not).
explicit = os.environ.get("SANAD_CAMERA_USB_INDEX", "").strip()
if explicit.isdigit():
diff --git a/voice/audio_devices.py b/voice/audio_devices.py
index 9a075b9..ba7942e 100644
--- a/voice/audio_devices.py
+++ b/voice/audio_devices.py
@@ -50,6 +50,20 @@ class AudioProfile:
description: str = ""
sink_sample_rate: int = 0 # 0 = use device default
source_sample_rate: int = 0
+ # True → the profile's REAL mic is the G1 firmware UDP-multicast stream
+ # (voice/audio_io), so a missing PulseAudio source must not disqualify it.
+ # Some G1 units never expose the chest mic to the Jetson's PulseAudio
+ # (I2S capture reads silence) while the UDP mic works fine — detection
+ # then falls back to a synthetic "udp:" source (see apply_selection).
+ udp_mic_fallback: bool = False
+ # True → the profile's REAL speaker is the G1 firmware chest speaker driven
+ # over DDS (voice/audio_io BuiltinSpeaker.PlayStream), NOT a PulseAudio sink.
+ # The Jetson's platform-sound card is input-only on this robot (it has no
+ # output sink at all), so a missing PulseAudio sink must NOT disqualify the
+ # chest profile — the chest is always usable. Detection then falls back to
+ # a synthetic "dds:" sink (see apply_selection, which skips
+ # `pactl set-default-sink` for it, exactly like the "udp:" source).
+ dds_speaker_fallback: bool = False
# Built-in device profiles.
@@ -77,6 +91,8 @@ PROFILES: list[AudioProfile] = [
sink_pattern="platform-sound",
source_pattern="alsa_input.platform-sound",
description="Jetson / G1 built-in audio chip. (Default)",
+ udp_mic_fallback=True, # chest mic = G1 firmware UDP stream, not pulse
+ dds_speaker_fallback=True, # chest speaker = G1 DDS PlayStream, not pulse
),
AudioProfile(
id="hollyland_builtin",
@@ -92,6 +108,18 @@ PROFILES: list[AudioProfile] = [
source_pattern="powerconf,anker",
description="Anker PowerConf USB conference unit — mic + speaker on the same device.",
),
+ AudioProfile(
+ id="beats_pill",
+ label="Beats Pill (mic + speaker)",
+ # USB-C: kernel names the card "Pill"; pulse sinks/sources carry
+ # "Beats_Pill" (auto-probed or the manual module-alsa-sink/-source
+ # loads from /etc/pulse/default.pa — pulse fails to probe the Pill's
+ # output profile on some kernels). Bluetooth: bluez sink.
+ sink_pattern="beats_pill,beats,pill",
+ source_pattern="beats_pill,beats,pill",
+ description="Beats Pill (USB-C or Bluetooth) — speaker + speakerphone mic.",
+ udp_mic_fallback=True, # mic falls back to the G1 UDP mic if absent
+ ),
AudioProfile(
id="jbl_builtin_mic",
label="JBL speaker + built-in mic",
@@ -101,6 +129,7 @@ PROFILES: list[AudioProfile] = [
# The JBL has NO microphone → input stays on the G1 built-in mic.
source_pattern="alsa_input.platform-sound",
description="JBL Bluetooth speaker for output + the G1 built-in microphone for input (the JBL has no mic).",
+ udp_mic_fallback=True, # builtin mic = G1 UDP stream on units without the alsa source
),
]
@@ -488,6 +517,10 @@ def ensure_card_input_capable(card_pattern: str) -> bool:
return switched_any
+# Profiles that already logged the (permanent) UDP-mic fallback notice.
+_UDP_FALLBACK_LOGGED: set[str] = set()
+
+
def detect_plugged_profiles() -> list[dict[str, Any]]:
"""Return all profiles whose sink AND source are currently plugged in.
@@ -507,6 +540,17 @@ def detect_plugged_profiles() -> list[dict[str, Any]]:
refreshed_sources = False
for prof in PROFILES:
sink = find_first_match(sinks, prof.sink_pattern)
+ if not sink and prof.dds_speaker_fallback:
+ # The profile's real speaker is the G1 chest driven over DDS
+ # (AudioClient.PlayStream), not a PulseAudio sink. On this robot the
+ # Jetson audio card is input-only (no output sink exists at all), so
+ # a missing pulse sink must NOT disqualify the chest — it is always
+ # usable. Synthesise a "dds:" sink so the profile stays detected and
+ # selectable; apply_selection() skips set-default-sink for "dds:".
+ sink = {
+ "name": "dds:g1-chest-speaker",
+ "description": "G1 firmware chest speaker (DDS, no PulseAudio sink)",
+ }
if not sink:
continue
src = find_first_match(sources, prof.source_pattern, exclude_monitors=True)
@@ -535,6 +579,24 @@ def detect_plugged_profiles() -> list[dict[str, Any]]:
log.info("detect_plugged_profiles: %s source resolved via "
"PyAudio fallback (pactl missed it): %s",
prof.id, src.get("name", "?"))
+ if src is None and prof.udp_mic_fallback:
+ # The profile's real mic is the G1 firmware UDP-multicast stream
+ # (voice/audio_io) — no PulseAudio source needed. Some G1 units
+ # never expose the chest mic to the Jetson's pulse (I2S capture
+ # reads silence); the profile is still fully functional, so a
+ # synthetic source keeps it selectable. apply_selection() skips
+ # `pactl set-default-source` for "udp:" names (like "pyaudio:").
+ src = {
+ "name": "udp:g1-multicast-mic",
+ "description": "G1 firmware UDP-multicast mic (no PulseAudio source)",
+ }
+ via = "udp-builtin"
+ # This path is the steady state on chest-mic robots and the
+ # detector polls every few seconds — log once, not per poll.
+ if prof.id not in _UDP_FALLBACK_LOGGED:
+ _UDP_FALLBACK_LOGGED.add(prof.id)
+ log.info("detect_plugged_profiles: %s using UDP-mic fallback "
+ "(no matching pulse source)", prof.id)
if sink and src:
detected.append({
"profile": asdict(prof),
@@ -726,7 +788,11 @@ def apply_selection(sink: str, source: str) -> dict[str, Any]:
"""
errors: list[str] = []
if sink:
- if not set_default_sink(sink):
+ if sink.startswith("dds:"):
+ log.info("apply_selection: sink is synthetic (%s) — skipping "
+ "pactl set-default-sink. The G1 chest speaker plays via "
+ "DDS (AudioClient.PlayStream), not PulseAudio.", sink)
+ elif not set_default_sink(sink):
errors.append(f"set-default-sink failed: {sink}")
else:
try:
@@ -734,10 +800,11 @@ def apply_selection(sink: str, source: str) -> dict[str, Any]:
except (FileNotFoundError, subprocess.SubprocessError):
pass
if source:
- if source.startswith("pyaudio:"):
- log.info("apply_selection: source is PyAudio-direct (%s) — "
- "skipping pactl set-default-source. Live mic path "
- "uses PortAudio device match; pactl defaults stay put.",
+ if source.startswith(("pyaudio:", "udp:")):
+ log.info("apply_selection: source is synthetic (%s) — "
+ "skipping pactl set-default-source. PyAudio-direct mics "
+ "use PortAudio device match; udp: is the G1 firmware "
+ "multicast mic. pactl defaults stay put.",
source)
elif not set_default_source(source):
errors.append(f"set-default-source failed: {source}")
diff --git a/voice/audio_io.py b/voice/audio_io.py
index c2b0b09..59c208d 100644
--- a/voice/audio_io.py
+++ b/voice/audio_io.py
@@ -31,6 +31,7 @@ import json
import socket
import struct
import subprocess
+import queue
import threading
import time
from abc import ABC, abstractmethod
@@ -211,7 +212,16 @@ class BuiltinMic(Mic):
class BuiltinSpeaker(Speaker):
- """G1 robot's built-in speaker via AudioClient.PlayStream (16 kHz mono)."""
+ """G1 robot's built-in speaker via AudioClient.PlayStream (16 kHz mono).
+
+ JITTER-BUFFERED: chunks are enqueued and a dedicated writer thread sends
+ them to the firmware, prebuffering ~0.3s before the first RPC and never
+ running more than ~0.6s ahead of real time. Gemini's audio arrives in
+ BURSTS (WiFi jitter, shared-websocket contention) — the old direct
+ per-chunk RPC mapped every arrival gap to an audible dropout on the
+ chest speaker's tiny firmware buffer, while the pulse (Pill/Anker) path
+ hid it behind PulseAudio's own buffering. This gives the chest the same
+ tolerance."""
HARDWARE_RATE = 16_000
@@ -224,10 +234,16 @@ class BuiltinSpeaker(Speaker):
self._app_name = app_name or _SP_CFG.get("app_name", "sanad")
self._begin_pause = _SP_CFG.get("begin_stream_pause_sec", 0.15)
self._finish_margin = _SP_CFG.get("wait_finish_margin_sec", 0.3)
+ # Jitter buffer tuning (see class docstring).
+ self._prebuffer_sec = _SP_CFG.get("jitter_prebuffer_sec", 0.30)
+ self._first_flush_sec = _SP_CFG.get("jitter_first_flush_sec", 0.60)
+ self._max_lead_sec = _SP_CFG.get("jitter_max_lead_sec", 0.60)
self._stop_flag = threading.Event()
self._stream_id: Optional[str] = None
self._total_sent = 0.0
self._play_start = 0.0
+ self._q: "queue.Queue[Optional[bytes]]" = queue.Queue()
+ self._writer: Optional[threading.Thread] = None
def _stop_play_api(self) -> None:
try:
@@ -241,13 +257,79 @@ class BuiltinSpeaker(Speaker):
except Exception:
log.warning("BuiltinSpeaker AUDIO_STOP_PLAY failed")
+ def _drain_queue(self) -> None:
+ try:
+ while True:
+ self._q.get_nowait()
+ except queue.Empty:
+ pass
+
def begin_stream(self) -> None:
+ # Tear down any previous writer cleanly before starting a new turn.
+ self._stop_flag.set()
+ self._drain_queue()
+ if self._writer is not None and self._writer.is_alive():
+ self._q.put(None)
+ self._writer.join(timeout=1.0)
self._stop_flag.clear()
+ self._drain_queue()
self._stop_play_api()
time.sleep(self._begin_pause)
self._stream_id = f"s_{int(time.time() * 1000)}"
self._total_sent = 0.0
self._play_start = time.time()
+ self._writer = threading.Thread(
+ target=self._writer_loop, args=(self._stream_id,),
+ name="builtin-speaker-writer", daemon=True)
+ self._writer.start()
+
+ def _writer_loop(self, stream_id: str) -> None:
+ rate = float(self.HARDWARE_RATE)
+ sent_sec = 0.0
+ started = False
+ t0 = time.time()
+ batch: list = []
+ buffered = 0.0
+ while not self._stop_flag.is_set() and self._stream_id == stream_id:
+ try:
+ item = self._q.get(timeout=0.05)
+ except queue.Empty:
+ item = ()
+ if item is None:
+ return
+ if not started:
+ if item:
+ batch.append(item)
+ buffered += len(item) / 2 / rate
+ if buffered >= self._prebuffer_sec or (
+ batch and (time.time() - t0) >= self._first_flush_sec):
+ self._play_start = time.time()
+ started = True
+ for b in batch:
+ if self._stop_flag.is_set() or self._stream_id != stream_id:
+ return
+ try:
+ self._ac.PlayStream(self._app_name, stream_id, b)
+ except Exception as exc:
+ log.warning("PlayStream failed: %s", exc)
+ sent_sec += len(b) / 2 / rate
+ batch = []
+ continue
+ if not item:
+ continue
+ # Pace: never run more than max_lead ahead of real time — keeps
+ # the firmware queue short (fast interrupts) while OUR queue is
+ # the elastic reservoir that absorbs bursty arrival.
+ lead = sent_sec - (time.time() - self._play_start)
+ if lead > self._max_lead_sec:
+ time.sleep(min(lead - self._max_lead_sec, 0.25))
+ if self._stop_flag.is_set() or self._stream_id != stream_id:
+ return
+ try:
+ self._ac.PlayStream(self._app_name, stream_id, item)
+ except Exception as exc:
+ log.warning("PlayStream failed: %s", exc)
+ sent_sec += len(item) / 2 / rate
def send_chunk(self, pcm: PCMLike, source_rate: int) -> None:
if self._stop_flag.is_set():
@@ -256,20 +338,22 @@ class BuiltinSpeaker(Speaker):
if arr.size < 10:
return
hw = _resample_int16(arr, source_rate, self.HARDWARE_RATE)
- self._ac.PlayStream(self._app_name, self._stream_id, hw.tobytes())
+ self._q.put(hw.tobytes())
self._total_sent += len(hw) / self.HARDWARE_RATE
def wait_finish(self) -> None:
- elapsed = time.time() - self._play_start
- remaining = self._total_sent - elapsed + self._finish_margin
- waited = 0.0
- while waited < remaining and not self._stop_flag.is_set():
+ # Wait for the queue to drain AND real-time playback to elapse.
+ while not self._stop_flag.is_set():
+ elapsed = time.time() - self._play_start
+ remaining = self._total_sent - elapsed + self._finish_margin
+ if self._q.empty() and remaining <= 0:
+ break
time.sleep(0.1)
- waited += 0.1
self._stop_play_api()
def stop(self) -> None:
self._stop_flag.set()
+ self._drain_queue()
self._stop_play_api()
@property
@@ -815,9 +899,13 @@ _PROFILE_ALIASES = {
"hollyland_builtin": "hollyland_builtin",
"jbl": "jbl_builtin_mic",
"jbl_builtin_mic": "jbl_builtin_mic",
+ "beats": "beats_pill",
+ "beats_pill": "beats_pill",
+ "pill": "beats_pill",
}
-SUPPORTED_PROFILES = ("builtin", "anker", "hollyland_builtin", "jbl_builtin_mic")
+SUPPORTED_PROFILES = ("builtin", "anker", "hollyland_builtin", "jbl_builtin_mic",
+ "beats_pill")
@dataclass
@@ -885,6 +973,13 @@ class AudioIO:
# pacat is used because PyAudio's 'pulse' device is unavailable in
# this env. Neither backend needs the AudioClient.
return BuiltinMic(), PulseStreamSpeaker(label="JBL", sink_pattern="jbl,bluez")
+ if resolved == "beats_pill":
+ # Beats Pill speaker via pacat → its PulseAudio sink + the G1
+ # built-in DDS mic — same regime as the JBL (loud external speaker,
+ # full mic-gate while speaking; see gemini/script.py). The Pill's
+ # own USB mic stays available to pulse for dashboard recordings.
+ return BuiltinMic(), PulseStreamSpeaker(
+ label="Beats Pill", sink_pattern="beats_pill,beats,pill")
raise AssertionError(f"unhandled resolved profile: {resolved!r}")
@classmethod
diff --git a/voice/movement_dispatch.py b/voice/movement_dispatch.py
index d9d010c..7252a7a 100644
--- a/voice/movement_dispatch.py
+++ b/voice/movement_dispatch.py
@@ -108,6 +108,11 @@ class MovementDispatcher:
def _load(self):
try:
data = json.loads(self._instruction_path.read_text(encoding="utf-8"))
+ except FileNotFoundError:
+ # Normal on robots with no movement phrase pack — not an error.
+ log.info("no %s — movement dispatcher inert (0 phrases)",
+ self._instruction_path.name)
+ data = {}
except Exception as exc:
log.error("could not load %s: %s — dispatcher inert", self._instruction_path, exc)
data = {}
diff --git a/voice/sanad_voice.py b/voice/sanad_voice.py
index 4746c46..c6c30c6 100644
--- a/voice/sanad_voice.py
+++ b/voice/sanad_voice.py
@@ -146,7 +146,8 @@ _MOVEMENT_PROMPT_RULES = (
"(you receive a [MOVEMENT ON] or [MOVEMENT STATUS] note). When movement is "
"OFF, never confirm a motion — tell the user to enable movement from the "
"dashboard.\n"
- "When movement is ON and the user addresses you by name (Bousandah / بوسنده) AND "
+ "When movement is ON and the user addresses you by name (Sanad / سند / "
+ "Bousandah / بوسنده) AND "
"asks you to move, reply with ONE short confirmation phrase per requested "
"motion, in the SAME language, in the order asked. Use these EXACT shapes — "
"they are what triggers the motion:\n"