Add a method to support multi-display usages
- Add getDisplayIdList() and openDisplay_1_1() to IEvsEnumerator.
- Add getDisplayInfo_1_1() to IEvsDisplay.
- Update CameraToDisplayRountTrip test case to use new methods.
- Update default implementation.
Bug: 141886260
Bug: 146567078
Bug: 147553536
Test: VtsHalEvsV1_1TargetTest
Change-Id: I3c17aecc482770074159f7ccaf8e00cadf711e76
Signed-off-by: Changyeon Jo <changyeon@google.com>
diff --git a/automotive/evs/1.1/default/Android.bp b/automotive/evs/1.1/default/Android.bp
index a7c7b42..a35c9db 100644
--- a/automotive/evs/1.1/default/Android.bp
+++ b/automotive/evs/1.1/default/Android.bp
@@ -27,6 +27,10 @@
"libutils",
"libcamera_metadata",
"libtinyxml2",
+ "android.hidl.token@1.0-utils",
+ "android.frameworks.automotive.display@1.0",
+ "android.hardware.graphics.bufferqueue@1.0",
+ "android.hardware.graphics.bufferqueue@2.0",
],
cflags: [
diff --git a/automotive/evs/1.1/default/EvsCamera.cpp b/automotive/evs/1.1/default/EvsCamera.cpp
index b7e4efa..f9cdb88 100644
--- a/automotive/evs/1.1/default/EvsCamera.cpp
+++ b/automotive/evs/1.1/default/EvsCamera.cpp
@@ -280,7 +280,7 @@
return EvsResult::OK;
}
-Return<EvsResult> EvsCamera::forceMaster(const sp<IEvsDisplay>& ) {
+Return<EvsResult> EvsCamera::forceMaster(const sp<IEvsDisplay_1_0>& ) {
// Default implementation does not expect multiple subscribers and therefore
// return a success code always.
return EvsResult::OK;
diff --git a/automotive/evs/1.1/default/EvsCamera.h b/automotive/evs/1.1/default/EvsCamera.h
index 72a1b57..a49db46 100644
--- a/automotive/evs/1.1/default/EvsCamera.h
+++ b/automotive/evs/1.1/default/EvsCamera.h
@@ -20,7 +20,7 @@
#include <android/hardware/automotive/evs/1.1/types.h>
#include <android/hardware/automotive/evs/1.1/IEvsCamera.h>
#include <android/hardware/automotive/evs/1.1/IEvsCameraStream.h>
-#include <android/hardware/automotive/evs/1.0/IEvsDisplay.h>
+#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
#include <ui/GraphicBuffer.h>
#include <thread>
@@ -33,7 +33,8 @@
using IEvsCameraStream_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsCameraStream;
using ::android::hardware::automotive::evs::V1_0::EvsResult;
using ::android::hardware::automotive::evs::V1_0::CameraDesc;
-using ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
+using IEvsDisplay_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
+using IEvsDisplay_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsDisplay;
namespace android {
@@ -68,7 +69,7 @@
Return<EvsResult> resumeVideoStream() override;
Return<EvsResult> doneWithFrame_1_1(const hidl_vec<BufferDesc_1_1>& buffer) override;
Return<EvsResult> setMaster() override;
- Return<EvsResult> forceMaster(const sp<IEvsDisplay>& display) override;
+ Return<EvsResult> forceMaster(const sp<IEvsDisplay_1_0>& display) override;
Return<EvsResult> unsetMaster() override;
Return<void> getParameterList(getParameterList_cb _hidl_cb) override;
Return<void> getIntParameterRange(CameraParam id,
diff --git a/automotive/evs/1.1/default/EvsDisplay.cpp b/automotive/evs/1.1/default/EvsDisplay.cpp
index 74c099a..2b5a4a9 100644
--- a/automotive/evs/1.1/default/EvsDisplay.cpp
+++ b/automotive/evs/1.1/default/EvsDisplay.cpp
@@ -21,6 +21,8 @@
#include <ui/GraphicBufferAllocator.h>
#include <ui/GraphicBufferMapper.h>
+using ::android::frameworks::automotive::display::V1_0::HwDisplayConfig;
+using ::android::frameworks::automotive::display::V1_0::HwDisplayState;
namespace android {
namespace hardware {
@@ -31,6 +33,13 @@
EvsDisplay::EvsDisplay() {
+ EvsDisplay(nullptr, 0);
+}
+
+
+EvsDisplay::EvsDisplay(sp<IAutomotiveDisplayProxyService> pDisplayProxy, uint64_t displayId)
+ : mDisplayProxy(pDisplayProxy),
+ mDisplayId(displayId) {
ALOGD("EvsDisplay instantiated");
// Set up our self description
@@ -327,6 +336,18 @@
}
+Return<void> EvsDisplay::getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) {
+ if (mDisplayProxy != nullptr) {
+ return mDisplayProxy->getDisplayInfo(mDisplayId, _info_cb);
+ } else {
+ HwDisplayConfig nullConfig;
+ HwDisplayState nullState;
+ _info_cb(nullConfig, nullState);
+ return Void();
+ }
+}
+
+
} // namespace implementation
} // namespace V1_1
} // namespace evs
diff --git a/automotive/evs/1.1/default/EvsDisplay.h b/automotive/evs/1.1/default/EvsDisplay.h
index 2a56535..9b2ed90 100644
--- a/automotive/evs/1.1/default/EvsDisplay.h
+++ b/automotive/evs/1.1/default/EvsDisplay.h
@@ -17,14 +17,16 @@
#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
-#include <android/hardware/automotive/evs/1.0/IEvsDisplay.h>
+#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
+#include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
#include <ui/GraphicBuffer.h>
-using ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
+using ::android::hardware::automotive::evs::V1_1::IEvsDisplay;
using ::android::hardware::automotive::evs::V1_0::DisplayDesc;
using ::android::hardware::automotive::evs::V1_0::DisplayState;
using ::android::hardware::automotive::evs::V1_0::EvsResult;
using BufferDesc_1_0 = ::android::hardware::automotive::evs::V1_0::BufferDesc;
+using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
namespace android {
namespace hardware {
@@ -43,9 +45,12 @@
Return<void> getTargetBuffer(getTargetBuffer_cb _hidl_cb) override;
Return<EvsResult> returnTargetBufferForDisplay(const BufferDesc_1_0& buffer) override;
+ // Methods from ::android::hardware::automotive::evs::V1_1::IEvsDisplay follow.
+ Return<void> getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) override;
// Implementation details
EvsDisplay();
+ EvsDisplay(sp<IAutomotiveDisplayProxyService> pDisplayProxy, uint64_t displayId);
virtual ~EvsDisplay() override;
void forceShutdown(); // This gets called if another caller "steals" ownership of the display
@@ -60,6 +65,9 @@
DisplayState mRequestedState = DisplayState::NOT_VISIBLE;
std::mutex mAccessLock;
+
+ sp<IAutomotiveDisplayProxyService> mDisplayProxy;
+ uint64_t mDisplayId;
};
} // namespace implementation
diff --git a/automotive/evs/1.1/default/EvsEnumerator.cpp b/automotive/evs/1.1/default/EvsEnumerator.cpp
index cb7403a..0319560 100644
--- a/automotive/evs/1.1/default/EvsEnumerator.cpp
+++ b/automotive/evs/1.1/default/EvsEnumerator.cpp
@@ -34,18 +34,38 @@
std::list<EvsEnumerator::CameraRecord> EvsEnumerator::sCameraList;
wp<EvsDisplay> EvsEnumerator::sActiveDisplay;
unique_ptr<ConfigManager> EvsEnumerator::sConfigManager;
+sp<IAutomotiveDisplayProxyService> EvsEnumerator::sDisplayProxyService;
+std::unordered_map<uint8_t, uint64_t> EvsEnumerator::sDisplayPortList;
-EvsEnumerator::EvsEnumerator() {
+EvsEnumerator::EvsEnumerator(sp<IAutomotiveDisplayProxyService> windowService) {
ALOGD("EvsEnumerator created");
// Add sample camera data to our list of cameras
// In a real driver, this would be expected to can the available hardware
sConfigManager =
ConfigManager::Create("/vendor/etc/automotive/evs/evs_default_configuration.xml");
+
+ // Add available cameras
for (auto v : sConfigManager->getCameraList()) {
sCameraList.emplace_back(v.c_str());
}
+
+ if (sDisplayProxyService == nullptr) {
+ /* sets a car-window service handle */
+ sDisplayProxyService = windowService;
+ }
+
+ // Add available displays
+ if (sDisplayProxyService != nullptr) {
+ // Get a display ID list.
+ sDisplayProxyService->getDisplayIdList([](const auto& displayIds) {
+ for (const auto& id : displayIds) {
+ const auto port = id & 0xF;
+ sDisplayPortList.insert_or_assign(port, id);
+ }
+ });
+ }
}
@@ -165,7 +185,7 @@
}
-Return<sp<IEvsDisplay>> EvsEnumerator::openDisplay() {
+Return<sp<IEvsDisplay_1_0>> EvsEnumerator::openDisplay() {
ALOGD("openDisplay");
// If we already have a display active, then we need to shut it down so we can
@@ -185,7 +205,42 @@
}
-Return<void> EvsEnumerator::closeDisplay(const ::android::sp<IEvsDisplay>& pDisplay) {
+Return<void> EvsEnumerator::getDisplayIdList(getDisplayIdList_cb _list_cb) {
+ hidl_vec<uint8_t> ids;
+
+ ids.resize(sDisplayPortList.size());
+ unsigned i = 0;
+ for (const auto& [port, id] : sDisplayPortList) {
+ ids[i++] = port;
+ }
+
+ _list_cb(ids);
+ return Void();
+}
+
+
+Return<sp<IEvsDisplay>> EvsEnumerator::openDisplay_1_1(uint8_t port) {
+ ALOGD("%s", __FUNCTION__);
+
+ // If we already have a display active, then we need to shut it down so we can
+ // give exclusive access to the new caller.
+ sp<EvsDisplay> pActiveDisplay = sActiveDisplay.promote();
+ if (pActiveDisplay != nullptr) {
+ ALOGW("Killing previous display because of new caller");
+ closeDisplay(pActiveDisplay);
+ }
+
+ // Create a new display interface and return it
+ pActiveDisplay = new EvsDisplay(sDisplayProxyService, sDisplayPortList[port]);
+ sActiveDisplay = pActiveDisplay;
+
+ ALOGD("Returning new EvsDisplay object %p", pActiveDisplay.get());
+ return pActiveDisplay;
+}
+
+
+
+Return<void> EvsEnumerator::closeDisplay(const ::android::sp<IEvsDisplay_1_0>& pDisplay) {
ALOGD("closeDisplay");
// Do we still have a display object we think should be active?
diff --git a/automotive/evs/1.1/default/EvsEnumerator.h b/automotive/evs/1.1/default/EvsEnumerator.h
index ca35dc6..9415953 100644
--- a/automotive/evs/1.1/default/EvsEnumerator.h
+++ b/automotive/evs/1.1/default/EvsEnumerator.h
@@ -19,19 +19,22 @@
#include <android/hardware/automotive/evs/1.1/IEvsEnumerator.h>
#include <android/hardware/automotive/evs/1.1/IEvsCamera.h>
+#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
+#include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
#include <list>
#include "ConfigManager.h"
using ::android::hardware::automotive::evs::V1_0::EvsResult;
-using ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
using ::android::hardware::automotive::evs::V1_0::DisplayState;
using IEvsCamera_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsCamera;
using IEvsCamera_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsCamera;
using CameraDesc_1_0 = ::android::hardware::automotive::evs::V1_0::CameraDesc;
using CameraDesc_1_1 = ::android::hardware::automotive::evs::V1_1::CameraDesc;
-
+using IEvsDisplay_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
+using IEvsDisplay_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsDisplay;
+using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
namespace android {
namespace hardware {
@@ -51,8 +54,8 @@
Return<void> getCameraList(getCameraList_cb _hidl_cb) override;
Return<sp<IEvsCamera_1_0>> openCamera(const hidl_string& cameraId) override;
Return<void> closeCamera(const ::android::sp<IEvsCamera_1_0>& carCamera) override;
- Return<sp<IEvsDisplay>> openDisplay() override;
- Return<void> closeDisplay(const ::android::sp<IEvsDisplay>& display) override;
+ Return<sp<IEvsDisplay_1_0>> openDisplay() override;
+ Return<void> closeDisplay(const ::android::sp<IEvsDisplay_1_0>& display) override;
Return<DisplayState> getDisplayState() override;
// Methods from ::android::hardware::automotive::evs::V1_1::IEvsEnumerator follow.
@@ -60,9 +63,11 @@
Return<sp<IEvsCamera_1_1>> openCamera_1_1(const hidl_string& cameraId,
const Stream& streamCfg) override;
Return<bool> isHardware() override { return true; }
+ Return<void> getDisplayIdList(getDisplayIdList_cb _list_cb) override;
+ Return<sp<IEvsDisplay_1_1>> openDisplay_1_1(uint8_t port) override;
// Implementation details
- EvsEnumerator();
+ EvsEnumerator(sp<IAutomotiveDisplayProxyService> windowService = nullptr);
private:
// NOTE: All members values are static so that all clients operate on the same state
@@ -83,6 +88,10 @@
static wp<EvsDisplay> sActiveDisplay;
static unique_ptr<ConfigManager> sConfigManager;
+
+ static sp<IAutomotiveDisplayProxyService> sDisplayProxyService;
+ static std::unordered_map<uint8_t,
+ uint64_t> sDisplayPortList;
};
} // namespace implementation
diff --git a/automotive/evs/1.1/default/service.cpp b/automotive/evs/1.1/default/service.cpp
index 5135864..374b646 100644
--- a/automotive/evs/1.1/default/service.cpp
+++ b/automotive/evs/1.1/default/service.cpp
@@ -34,7 +34,6 @@
// Generated HIDL files
using android::hardware::automotive::evs::V1_1::IEvsEnumerator;
-using android::hardware::automotive::evs::V1_0::IEvsDisplay;
// The namespace in which all our implementation code lives
using namespace android::hardware::automotive::evs::V1_1::implementation;