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Commit adead4ce authored by Jiwen 'Steve' Cai's avatar Jiwen 'Steve' Cai Committed by android-build-merger
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Merge "Add dvrReadBufferQueueGetEventFd" into oc-dr1-dev am: 42d6d5c8 

am: 38b477dc

Change-Id: I4d7953eba62d3b68c45dc163deb176e7f55f1e97
parents 072c502c 38b477dc

libs/vr/libdvr/dvr_buffer_queue.cpp

+7 −0
Original line number Diff line number Diff line
@@ -302,6 +302,13 @@ int dvrReadBufferQueueGetId(DvrReadBufferQueue* read_queue) { 
  return read_queue->id();

}



int dvrReadBufferQueueGetEventFd(DvrReadBufferQueue* read_queue) {

  if (!read_queue)

    return -EINVAL;



  return read_queue->event_fd();

}



int dvrReadBufferQueueCreateReadQueue(DvrReadBufferQueue* read_queue,

                                      DvrReadBufferQueue** out_read_queue) {

  if (!read_queue || !out_read_queue)

libs/vr/libdvr/dvr_buffer_queue_internal.h

+1 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ struct DvrReadBufferQueue { 
      const std::shared_ptr<ConsumerQueue>& consumer_queue);



  int id() const { return consumer_queue_->id(); }

  int event_fd() const { return consumer_queue_->queue_fd(); }

  size_t capacity() const { return consumer_queue_->capacity(); }



  int CreateReadQueue(DvrReadBufferQueue** out_read_queue);

libs/vr/libdvr/include/dvr/dvr_api.h

+1 −0
Original line number Diff line number Diff line
@@ -177,6 +177,7 @@ typedef void (*DvrReadBufferQueueDestroyPtr)(DvrReadBufferQueue* read_queue); 
typedef ssize_t (*DvrReadBufferQueueGetCapacityPtr)(

    DvrReadBufferQueue* read_queue);

typedef int (*DvrReadBufferQueueGetIdPtr)(DvrReadBufferQueue* read_queue);

typedef int (*DvrReadBufferQueueGetEventFdPtr)(DvrReadBufferQueue* read_queue);

typedef int (*DvrReadBufferQueueCreateReadQueuePtr)(

    DvrReadBufferQueue* read_queue, DvrReadBufferQueue** out_read_queue);

typedef int (*DvrReadBufferQueueDequeuePtr)(DvrReadBufferQueue* read_queue,

libs/vr/libdvr/include/dvr/dvr_api_entries.h

+3 −0
Original line number Diff line number Diff line
@@ -157,3 +157,6 @@ DVR_V1_API_ENTRY(PerformanceSetSchedulerPolicy); 


// Pose client

DVR_V1_API_ENTRY(PoseClientSensorsEnable);



// Read buffer queue

DVR_V1_API_ENTRY(ReadBufferQueueGetEventFd);

libs/vr/libdvr/include/dvr/dvr_buffer_queue.h

+8 −0
Original line number Diff line number Diff line
@@ -102,6 +102,14 @@ ssize_t dvrReadBufferQueueGetCapacity(DvrReadBufferQueue* read_queue); 
// @return Queue id on success; or negative error code.

int dvrReadBufferQueueGetId(DvrReadBufferQueue* read_queue);



// Get the event fd that signals when queue updates occur.

//

// Use ReadBufferQueueHandleEvents to trigger registered event callbacks.

//

// @param read_queue The DvrReadBufferQueue of interest.

// @return Fd on success; or negative error code.

int dvrReadBufferQueueGetEventFd(DvrReadBufferQueue* read_queue);



// Create a read buffer queue from an existing read buffer queue.

//

// @param read_queue The DvrReadBufferQueue of interest.