commit 77e36342014896bfaa1b040afe80ec3f19334e61
author Roman Kiryanov <rkir@google.com> Fri Jul 22 14:26:18 2022 -0700
committer Cherrypicker Worker <android-build-cherrypicker-worker@google.com> Fri Jul 22 22:44:54 2022 +0000
tree d0c9a0861e88a7eb623afe3d093f171158679c37
parent 537a5efa9dff95c3c1ad9cb4fe568c7735569cbd

Limit the numer of output and inout streams open

Out current HAL implementaion does support mixing
output or duplicating inout. Our sound card supports
only one stream per direction.

Bug: 238645248
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I120c3a3e4d544b3f34b913f9dbd2b405887dfcc9
(cherry picked from commit 5aaf432a5c526b455333719e61c1ffc03d250c23)
Merged-In: I120c3a3e4d544b3f34b913f9dbd2b405887dfcc9

audio/policy/primary_audio_policy_configuration.xml

diff --git a/audio/policy/primary_audio_policy_configuration.xml b/audio/policy/primary_audio_policy_configuration.xml
index 9307816..601453f 100644
--- a/audio/policy/primary_audio_policy_configuration.xml
+++ b/audio/policy/primary_audio_policy_configuration.xml
@@ -10,12 +10,12 @@
     </attachedDevices>
     <defaultOutputDevice>Speaker</defaultOutputDevice>
     <mixPorts>
-        <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY">
+        <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY" maxOpenCount="1" maxActiveCount="1">
             <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                      samplingRates="8000 11025 16000 32000 44100 48000"
                      channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
         </mixPort>
-        <mixPort name="primary input" role="sink">
+        <mixPort name="primary input" role="sink" maxOpenCount="1" maxActiveCount="1">
             <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                      samplingRates="8000 11025 16000 32000 44100 48000"
                      channelMasks="AUDIO_CHANNEL_IN_STEREO"/>