Camera: extend getBuffer wait timeout
In extreme cases, HAL needs to wait until all inflight requests
are fulfilled before it can return a buffer, so extend the
getBuffer wait accordingly.
Test: partner testing, smoke test Pixel
Bug: 113660745
Change-Id: I363098004e70b75e11651fe0f1c75efcfda970f4
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 0db5642..25c9d3c 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -4854,6 +4854,15 @@
captureRequest->mOutputStreams.size());
halRequest->output_buffers = outputBuffers->array();
std::set<String8> requestedPhysicalCameras;
+
+ sp<Camera3Device> parent = mParent.promote();
+ if (parent == NULL) {
+ // Should not happen, and nowhere to send errors to, so just log it
+ CLOGE("RequestThread: Parent is gone");
+ return INVALID_OPERATION;
+ }
+ nsecs_t waitDuration = kBaseGetBufferWait + parent->getExpectedInFlightDuration();
+
for (size_t j = 0; j < captureRequest->mOutputStreams.size(); j++) {
sp<Camera3OutputStreamInterface> outputStream = captureRequest->mOutputStreams.editItemAt(j);
@@ -4874,6 +4883,7 @@
}
res = outputStream->getBuffer(&outputBuffers->editItemAt(j),
+ waitDuration,
captureRequest->mOutputSurfaces[j]);
if (res != OK) {
// Can't get output buffer from gralloc queue - this could be due to
@@ -4900,13 +4910,6 @@
totalNumBuffers += halRequest->num_output_buffers;
// Log request in the in-flight queue
- sp<Camera3Device> parent = mParent.promote();
- if (parent == NULL) {
- // Should not happen, and nowhere to send errors to, so just log it
- CLOGE("RequestThread: Parent is gone");
- return INVALID_OPERATION;
- }
-
// If this request list is for constrained high speed recording (not
// preview), and the current request is not the last one in the batch,
// do not send callback to the app.
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index ef3cbc4..131d62f 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -221,6 +221,7 @@
static const size_t kInFlightWarnLimitHighSpeed = 256; // batch size 32 * pipe depth 8
static const nsecs_t kDefaultExpectedDuration = 100000000; // 100 ms
static const nsecs_t kMinInflightDuration = 5000000000; // 5 s
+ static const nsecs_t kBaseGetBufferWait = 3000000000; // 3 sec.
// SCHED_FIFO priority for request submission thread in HFR mode
static const int kRequestThreadPriority = 1;
diff --git a/services/camera/libcameraservice/device3/Camera3Stream.cpp b/services/camera/libcameraservice/device3/Camera3Stream.cpp
index 1105b75..8747661 100644
--- a/services/camera/libcameraservice/device3/Camera3Stream.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Stream.cpp
@@ -569,6 +569,7 @@
}
status_t Camera3Stream::getBuffer(camera3_stream_buffer *buffer,
+ nsecs_t waitBufferTimeout,
const std::vector<size_t>& surface_ids) {
ATRACE_CALL();
Mutex::Autolock l(mLock);
@@ -586,13 +587,16 @@
ALOGV("%s: Already dequeued max output buffers (%d), wait for next returned one.",
__FUNCTION__, camera3_stream::max_buffers);
nsecs_t waitStart = systemTime(SYSTEM_TIME_MONOTONIC);
- res = mOutputBufferReturnedSignal.waitRelative(mLock, kWaitForBufferDuration);
+ if (waitBufferTimeout < kWaitForBufferDuration) {
+ waitBufferTimeout = kWaitForBufferDuration;
+ }
+ res = mOutputBufferReturnedSignal.waitRelative(mLock, waitBufferTimeout);
nsecs_t waitEnd = systemTime(SYSTEM_TIME_MONOTONIC);
mBufferLimitLatency.add(waitStart, waitEnd);
if (res != OK) {
if (res == TIMED_OUT) {
ALOGE("%s: wait for output buffer return timed out after %lldms (max_buffers %d)",
- __FUNCTION__, kWaitForBufferDuration / 1000000LL,
+ __FUNCTION__, waitBufferTimeout / 1000000LL,
camera3_stream::max_buffers);
}
return res;
diff --git a/services/camera/libcameraservice/device3/Camera3Stream.h b/services/camera/libcameraservice/device3/Camera3Stream.h
index a60cb56..e6fb7f9 100644
--- a/services/camera/libcameraservice/device3/Camera3Stream.h
+++ b/services/camera/libcameraservice/device3/Camera3Stream.h
@@ -311,6 +311,7 @@
*
*/
status_t getBuffer(camera3_stream_buffer *buffer,
+ nsecs_t waitBufferTimeout,
const std::vector<size_t>& surface_ids = std::vector<size_t>());
/**
diff --git a/services/camera/libcameraservice/device3/Camera3StreamInterface.h b/services/camera/libcameraservice/device3/Camera3StreamInterface.h
index 9ed7184..2dde1c3 100644
--- a/services/camera/libcameraservice/device3/Camera3StreamInterface.h
+++ b/services/camera/libcameraservice/device3/Camera3StreamInterface.h
@@ -237,6 +237,7 @@
*
*/
virtual status_t getBuffer(camera3_stream_buffer *buffer,
+ nsecs_t waitBufferTimeout,
const std::vector<size_t>& surface_ids = std::vector<size_t>()) = 0;
/**