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audio: Add hotword port for zero latency feature

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Bug: 184006297
Test: local test
Signed-off-by: yixuanjiang <yixuanjiang@google.com>
Change-Id: I05fe6e7b8df12dbe4145d168374a8efd2aced753
This commit is contained in:
yixuanjiang
2021-03-23 16:43:25 +08:00
parent e046f308d6
commit 98bd77c04c
1 changed files with 7 additions and 0 deletions
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7
audio/audio_policy_configuration.xml
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@@ -84,6 +84,11 @@
samplingRates="8000 11025 12000 16000 22050 24000 32000 44100 48000"
channelMasks="AUDIO_CHANNEL_IN_MONO AUDIO_CHANNEL_IN_STEREO AUDIO_CHANNEL_IN_FRONT_BACK AUDIO_CHANNEL_INDEX_MASK_3"/>
</mixPort>
<mixPort name="hotword input" role="sink" flags="AUDIO_INPUT_FLAG_HW_HOTWORD">
<profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
</mixPort>
<mixPort name="fast input" role="sink" flags="AUDIO_INPUT_FLAG_FAST">
<profile name="" format="AUDIO_FORMAT_PCM_8_24_BIT"
samplingRates="8000 11025 12000 16000 22050 24000 32000 44100 48000"
@@ -188,6 +193,8 @@
sources="voice_tx,incall_music_uplink"/>
<route type="mix" sink="primary input"
sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
<route type="mix" sink="hotword input"
sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
<route type="mix" sink="fast input"
sources="Built-In Mic,Built-In Back Mic,Wired Headset Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
<route type="mix" sink="voice_rx"