hailin
e706a4cdc7
Root cause: PcmPlayer called openPlayer() without audio session config,
so Android defaulted to earpiece-only mode. When the mic was actively
recording, playback was silently suppressed — the agent's TTS audio was
sent successfully over WebSocket but never reached the speaker.
Changes:
1. PcmPlayer (pcm_player.dart):
- Added audio_session package for proper audio session management
- Configure AudioSession with playAndRecord category so mic + speaker
work simultaneously
- Set voiceCommunication usage to enable Android hardware AEC (echo
cancellation) — prevents feedback loops when speaker is active
- defaultToSpeaker routes output to loudspeaker instead of earpiece
- Restored setSpeakerOn() method stub (used by UI toggle)
2. AgentCallPage (agent_call_page.dart):
- Fixed fire-and-forget bug: _pcmPlayer.feed() returns Future but was
called without await, causing interleaved feedUint8FromStream calls
- Added _feedChain serializer to guarantee sequential audio feeding
3. Dependencies:
- Added audio_session package to pubspec.yaml
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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| .. | ||
| android | ||
| assets | ||
| ios/Runner/Assets.xcassets/AppIcon.appiconset | ||
| lib | ||
| test | ||
| .gitignore | ||
| .metadata | ||
| README.md | ||
| analysis_options.yaml | ||
| pubspec.lock | ||
| pubspec.yaml | ||
README.md
it0_app
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Getting Started
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