Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 43698a2f authored by Shuzhen Wang's avatar Shuzhen Wang
Browse files

Camera: Add doc for combined stream usage flags 

Specify the HAL behavior when stream usage flag is combination for
multiple consumers.

Test: Compile
Bug: 33777818
Change-Id: I97e7bcc79ee36a395210c7cf8deefc4f175d3e07
parent f8654fac

camera/device/3.2/ICameraDeviceSession.hal

+1 −0
Original line number Diff line number Diff line
@@ -152,6 +152,7 @@ interface ICameraDeviceSession { 
     *             camera3_stream_configuration_t->operation_mode requirements

     *             for non-NORMAL mode, or the requested operation_mode is not

     *             supported by the HAL.

     *           - Unsupported usage flag

     *         The camera service cannot filter out all possible illegal stream

     *         configurations, since some devices may support more simultaneous

     *         streams or larger stream resolutions than the minimum required

camera/device/3.2/types.hal

+6 −0
Original line number Diff line number Diff line
@@ -248,6 +248,12 @@ struct Stream { 
     * streamType INPUT, the value of this field is always 0. For all streams

     * passed via configureStreams(), the HAL must set its own

     * additional usage flags in its output HalStreamConfiguration.

     *

     * The usage flag for an output stream may be bitwise combination of usage

     * flags for multiple consumers, for the purpose of sharing one camera

     * stream between those consumers. The HAL must fail configureStreams call

     * with ILLEGAL_ARGUMENT if the combined flags cannot be supported due to

     * imcompatible buffer format, dataSpace, or other hardware limitations.

     */

    ConsumerUsageFlags usage;