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Camera: Update HAL interface doc for high speed video batching

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Now cameraservice only sends one shutter notify and capture result to
the application per batch. Update the HAL interface doc to reflect this.

Test: Compiles
Bug: 35775704
Change-Id: I3a7967f0342213699989c70f485b379ccb94a1ff
This commit is contained in:
Shuzhen Wang 2017-03-08 16:29:36 -08:00
parent 6ac7efc85e
commit 145e135bd9
1 changed files with 7 additions and 0 deletions
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7
camera/device/3.2/types.hal
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@ -151,6 +151,13 @@ enum StreamConfigurationMode : uint32_t {
* android.lens.opticalStabilizationMode (if it is supported)
* android.scaler.cropRegion
* android.statistics.faceDetectMode (if it is supported)
* 6. To reduce the amount of data passed across process boundaries at
* high frame rate, within one batch, camera framework only propagates
* the last shutter notify and the last capture results (including partial
* results and final result) to the app. The shutter notifies and capture
* results for the other requests in the batch are derived by
* the camera framework. As a result, the HAL can return empty metadata
* except for the last result in the batch.
*
* For more details about high speed stream requirements, see
* android.control.availableHighSpeedVideoConfigurations and