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Merge "audio: Clarify that MMap h/w position must be continuous" into main

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Treehugger Robot
2024-09-04 18:01:46 +00:00
committed by Gerrit Code Review
parent eb39ea1855 189cd6a599
commit 9b012da175
1 changed files with 12 additions and 3 deletions
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15
audio/aidl/android/hardware/audio/core/StreamDescriptor.aidl
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@@ -386,14 +386,23 @@ parcelable StreamDescriptor {
* For input streams: the moment when data at the specified stream position
* was acquired (i.e. capture position).
*
* The observable position must never be reset by the HAL module.
* The data type of the frame counter is large enough to support
* continuous counting for years of operation.
* The observable position must never be reset by the HAL module,
* providing an abstraction of continuous audio data flow. The data
* type of the frame counter is large enough to support continuous
* counting for years of operation.
*/
Position observable;
/**
* Used only for MMap streams to provide the hardware read / write
* position for audio data in the shared memory buffer 'audio.mmap'.
* Similar to the observable position, the 'Position::UNKNOWN' value
* can be returned when the HAL module is unable to retrieve the current
* position.
*
* The hardware position must never be reset by the HAL module,
* providing an abstraction of continuous audio data flow. The data
* type of the frame counter is large enough to support continuous
* counting for years of operation.
*/
Position hardware;
/**