Merge "Fix crash when virtual camera is unregistered during active session." into main
diff --git a/camera/camera_platform.aconfig b/camera/camera_platform.aconfig
index cef38d6..5d2a263 100644
--- a/camera/camera_platform.aconfig
+++ b/camera/camera_platform.aconfig
@@ -69,3 +69,10 @@
description: "An AE mode that enables increased brightening in low light scenes"
bug: "312803148"
}
+
+flag {
+ namespace: "camera_platform"
+ name: "multiresolution_imagereader_usage_config"
+ description: "Enable creating MultiResolutionImageReader with usage flag configuration"
+ bug: "301588215"
+}
diff --git a/camera/ndk/include/camera/NdkCameraMetadataTags.h b/camera/ndk/include/camera/NdkCameraMetadataTags.h
index 86b9e99..2c68cef 100644
--- a/camera/ndk/include/camera/NdkCameraMetadataTags.h
+++ b/camera/ndk/include/camera/NdkCameraMetadataTags.h
@@ -4658,8 +4658,8 @@
* <p>The guaranteed stream combinations related to stream use case for a camera device with
* <a href="https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#REQUEST_AVAILABLE_CAPABILITIES_STREAM_USE_CASE">CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_STREAM_USE_CASE</a>
* capability is documented in the camera device
- * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#stream-use-case-capability-additional-guaranteed-configurations">guideline</a>. The application is strongly recommended to use one of the guaranteed stream
- * combinations.
+ * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#stream-use-case-capability-additional-guaranteed-configurations">guideline</a>.
+ * The application is strongly recommended to use one of the guaranteed stream combinations.
* If the application creates a session with a stream combination not in the guaranteed
* list, or with mixed DEFAULT and non-DEFAULT use cases within the same session,
* the camera device may ignore some stream use cases due to hardware constraints
@@ -10175,8 +10175,8 @@
* </ul>
* <p><a href="https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#SCALER_AVAILABLE_STREAM_USE_CASES">CameraCharacteristics#SCALER_AVAILABLE_STREAM_USE_CASES</a>
* lists all of the supported stream use cases.</p>
- * <p>Refer to
- * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#stream-use-case-capability-additional-guaranteed-configurations">CameraDevice#stream-use-case-capability-additional-guaranteed-configurations</a>
+ * <p>Refer to the
+ * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#stream-use-case-capability-additional-guaranteed-configurations">guideline</a>
* for the mandatory stream combinations involving stream use cases, which can also be
* queried via <a href="https://developer.android.com/reference/android/hardware/camera2/params/MandatoryStreamCombination.html">MandatoryStreamCombination</a>.</p>
*/
@@ -11037,9 +11037,9 @@
/**
* <p>This camera device does not have enough capabilities to qualify as a <code>FULL</code> device or
* better.</p>
- * <p>Only the stream configurations listed in the <code>LEGACY</code> and <code>LIMITED</code> tables in the
- * {@link ACameraDevice_createCaptureSession }
- * documentation are guaranteed to be supported.</p>
+ * <p>Only the stream configurations listed in the <code>LEGACY</code> and <code>LIMITED</code>
+ * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#limited-level-additional-guaranteed-configurations">tables</a>
+ * in the documentation are guaranteed to be supported.</p>
* <p>All <code>LIMITED</code> devices support the <code>BACKWARDS_COMPATIBLE</code> capability, indicating basic
* support for color image capture. The only exception is that the device may
* alternatively support only the <code>DEPTH_OUTPUT</code> capability, if it can only output depth
@@ -11064,9 +11064,9 @@
/**
* <p>This camera device is capable of supporting advanced imaging applications.</p>
- * <p>The stream configurations listed in the <code>FULL</code>, <code>LEGACY</code> and <code>LIMITED</code> tables in the
- * {@link ACameraDevice_createCaptureSession }
- * documentation are guaranteed to be supported.</p>
+ * <p>The stream configurations listed in the <code>FULL</code>, <code>LEGACY</code> and <code>LIMITED</code>
+ * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#full-level-additional-guaranteed-configurations">tables</a>
+ * in the documentation are guaranteed to be supported.</p>
* <p>A <code>FULL</code> device will support below capabilities:</p>
* <ul>
* <li><code>BURST_CAPTURE</code> capability (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains
@@ -11093,9 +11093,9 @@
/**
* <p>This camera device is running in backward compatibility mode.</p>
- * <p>Only the stream configurations listed in the <code>LEGACY</code> table in the
- * {@link ACameraDevice_createCaptureSession }
- * documentation are supported.</p>
+ * <p>Only the stream configurations listed in the <code>LEGACY</code>
+ * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#legacy-level-guaranteed-configurations">table</a>
+ * in the documentation are supported.</p>
* <p>A <code>LEGACY</code> device does not support per-frame control, manual sensor control, manual
* post-processing, arbitrary cropping regions, and has relaxed performance constraints.
* No additional capabilities beyond <code>BACKWARD_COMPATIBLE</code> will ever be listed by a
@@ -11117,9 +11117,9 @@
* <p>This camera device is capable of YUV reprocessing and RAW data capture, in addition to
* FULL-level capabilities.</p>
* <p>The stream configurations listed in the <code>LEVEL_3</code>, <code>RAW</code>, <code>FULL</code>, <code>LEGACY</code> and
- * <code>LIMITED</code> tables in the
- * {@link ACameraDevice_createCaptureSession }
- * documentation are guaranteed to be supported.</p>
+ * <code>LIMITED</code>
+ * <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#level-3-additional-guaranteed-configurations">tables</a>
+ * in the documentation are guaranteed to be supported.</p>
* <p>The following additional capabilities are guaranteed to be supported:</p>
* <ul>
* <li><code>YUV_REPROCESSING</code> capability (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains
diff --git a/media/codec2/vndk/include/C2SurfaceSyncObj.h b/media/codec2/vndk/include/C2SurfaceSyncObj.h
index 0005049..7c1a405 100644
--- a/media/codec2/vndk/include/C2SurfaceSyncObj.h
+++ b/media/codec2/vndk/include/C2SurfaceSyncObj.h
@@ -122,6 +122,11 @@
*/
void invalidate();
+ /**
+ * If a dead process holds the lock, clear the lock.
+ */
+ void clearLockIfNecessary();
+
C2SyncVariables() {}
private:
@@ -140,6 +145,11 @@
*/
int wait();
+ /**
+ * try lock for the specified duration.
+ */
+ bool tryLockFor(size_t ms);
+
std::atomic<uint32_t> mLock;
std::atomic<uint32_t> mCond;
int32_t mMaxDequeueCount;
diff --git a/media/codec2/vndk/platform/C2BqBuffer.cpp b/media/codec2/vndk/platform/C2BqBuffer.cpp
index 43a3eb2..48157c8 100644
--- a/media/codec2/vndk/platform/C2BqBuffer.cpp
+++ b/media/codec2/vndk/platform/C2BqBuffer.cpp
@@ -802,6 +802,13 @@
if (oldVar) {
oldVar->invalidate();
}
+ // invalidate pending lock from a dead process if any
+ if (syncVar) {
+ syncVar->clearLockIfNecessary();
+ }
+ if (oldVar) {
+ oldVar->clearLockIfNecessary();
+ }
}
private:
diff --git a/media/codec2/vndk/platform/C2SurfaceSyncObj.cpp b/media/codec2/vndk/platform/C2SurfaceSyncObj.cpp
index 0d8ed0b..41d16b5 100644
--- a/media/codec2/vndk/platform/C2SurfaceSyncObj.cpp
+++ b/media/codec2/vndk/platform/C2SurfaceSyncObj.cpp
@@ -26,6 +26,33 @@
#include <chrono>
#include <C2SurfaceSyncObj.h>
+namespace {
+static inline void timespec_add_ms(timespec& ts, size_t ms) {
+ constexpr int kNanoSecondsPerSec = 1000000000;
+ ts.tv_sec += ms / 1000;
+ ts.tv_nsec += (ms % 1000) * 1000000;
+ if (ts.tv_nsec >= kNanoSecondsPerSec) {
+ ts.tv_sec++;
+ ts.tv_nsec -= kNanoSecondsPerSec;
+ }
+}
+
+/*
+ * lhs < rhs: return <0
+ * lhs == rhs: return 0
+ * lhs > rhs: return >0
+ */
+static inline int timespec_compare(const timespec& lhs, const timespec& rhs) {
+ if (lhs.tv_sec < rhs.tv_sec) {
+ return -1;
+ }
+ if (lhs.tv_sec > rhs.tv_sec) {
+ return 1;
+ }
+ return lhs.tv_nsec - rhs.tv_nsec;
+}
+}
+
const native_handle_t C2SurfaceSyncMemory::HandleSyncMem::cHeader = {
C2SurfaceSyncMemory::HandleSyncMem::version,
C2SurfaceSyncMemory::HandleSyncMem::numFds,
@@ -289,6 +316,21 @@
(void) syscall(__NR_futex, &mCond, FUTEX_REQUEUE, INT_MAX, (void *)INT_MAX, &mLock, 0);
}
+void C2SyncVariables::clearLockIfNecessary() {
+ // Note: After waiting for 30ms without acquiring the lock,
+ // we will consider the lock is dangling.
+ // Since the lock duration is very brief to manage the counter,
+ // waiting for 30ms should be more than enough.
+ constexpr size_t kTestLockDurationMs = 30;
+
+ bool locked = tryLockFor(kTestLockDurationMs);
+ unlock();
+
+ if (!locked) {
+ ALOGW("A dead process might be holding the lock");
+ }
+}
+
int C2SyncVariables::signal() {
mCond++;
@@ -313,3 +355,35 @@
}
return 0;
}
+
+bool C2SyncVariables::tryLockFor(size_t ms) {
+ uint32_t old = FUTEX_UNLOCKED;
+
+ if (mLock.compare_exchange_strong(old, FUTEX_LOCKED_UNCONTENDED)) {
+ return true;
+ }
+
+ if (old == FUTEX_LOCKED_UNCONTENDED) {
+ old = mLock.exchange(FUTEX_LOCKED_CONTENDED);
+ }
+
+ struct timespec wait{
+ static_cast<time_t>(ms / 1000),
+ static_cast<long>((ms % 1000) * 1000000)};
+ struct timespec end;
+ clock_gettime(CLOCK_REALTIME, &end);
+ timespec_add_ms(end, ms);
+
+ while (old != FUTEX_UNLOCKED) { // case of EINTR being returned;
+ (void)syscall(__NR_futex, &mLock, FUTEX_WAIT, FUTEX_LOCKED_CONTENDED, &wait, NULL, 0);
+ old = mLock.exchange(FUTEX_LOCKED_CONTENDED);
+
+ struct timespec now;
+ clock_gettime(CLOCK_REALTIME, &now);
+ if (timespec_compare(now, end) >= 0) {
+ break;
+ }
+ }
+
+ return old == FUTEX_UNLOCKED;
+}
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 0f02944..18bb173 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -7608,6 +7608,23 @@
}
}
+void DuplicatingThread::threadLoop_exit()
+{
+ // Prevent calling the OutputTrack dtor in the DuplicatingThread dtor
+ // where other mutexes (i.e. AudioPolicyService_Mutex) may be held.
+ // Do so here in the threadLoop_exit().
+
+ SortedVector <sp<IAfOutputTrack>> localTracks;
+ {
+ audio_utils::lock_guard l(mutex());
+ localTracks = std::move(mOutputTracks);
+ mOutputTracks.clear();
+ }
+ localTracks.clear();
+ outputTracks.clear();
+ PlaybackThread::threadLoop_exit();
+}
+
void DuplicatingThread::dumpInternals_l(int fd, const Vector<String16>& args)
{
MixerThread::dumpInternals_l(fd, args);
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index 9477795..ea994a5 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -1849,6 +1849,7 @@
void threadLoop_sleepTime() final REQUIRES(ThreadBase_ThreadLoop);
ssize_t threadLoop_write() final REQUIRES(ThreadBase_ThreadLoop);
void threadLoop_standby() final REQUIRES(ThreadBase_ThreadLoop);
+ void threadLoop_exit() final REQUIRES(ThreadBase_ThreadLoop);
void cacheParameters_l() final REQUIRES(mutex(), ThreadBase_ThreadLoop);
private: