209a9aec1c
Signed-off-by: Deokgyu Yang <secugyu@gmail.com> Change-Id: I1eb5082082c7af4b7d8f98dbe5a1f8d9a20bebef
126 lines
4.9 KiB
C++
126 lines
4.9 KiB
C++
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __QCAMERADISPLAY_H__
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#define __QCAMERADISPLAY_H__
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#ifdef USE_DISPLAY_SERVICE
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#ifdef LIKELY
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#undef LIKELY
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#undef UNLIKELY
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#endif //LIKELY
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#include <android/frameworks/displayservice/1.0/IDisplayService.h>
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#include <android/frameworks/displayservice/1.0/IEventCallback.h>
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#include <android/frameworks/displayservice/1.0/IDisplayEventReceiver.h>
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#include <android/looper.h>
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#include <utils/Looper.h>
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using ::android::frameworks::displayservice::V1_0::IDisplayEventReceiver;
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using ::android::frameworks::displayservice::V1_0::IDisplayService;
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using ::android::frameworks::displayservice::V1_0::IEventCallback;
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using ::android::frameworks::displayservice::V1_0::Status;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::sp;
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#else //USE_DISPLAY_SERVICE
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#include <utils/Timers.h>
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#include <gui/DisplayEventReceiver.h>
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#endif //USE_DISPLAY_SERVICE
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namespace qcamera {
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#define CAMERA_NUM_VSYNC_INTERVAL_HISTORY 8
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#define NSEC_PER_MSEC 1000000LLU
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#ifdef USE_DISPLAY_SERVICE
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class QCameraDisplay : public IEventCallback {
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#else //USE_DISPLAY_SERVICE
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class QCameraDisplay {
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#endif //USE_DISPLAY_SERVICE
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public:
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QCameraDisplay();
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~QCameraDisplay();
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#ifdef USE_DISPLAY_SERVICE
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void init();
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bool isInited() { return m_bInitDone; }
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bool isSyncing() {return m_bSyncing; }
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bool startVsync(bool start);
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Return<void> onVsync(uint64_t timestamp, uint32_t count) override {
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ALOGV("onVsync: timestamp=%llu count=%d", timestamp, count);
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computeAverageVsyncInterval(timestamp);
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return Void();
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}
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Return<void> onHotplug(uint64_t timestamp, bool connected) override {
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ALOGV("onHotplug: timestamp=%llu connected=%s", timestamp, connected ? "true" : "false");
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return Void();
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}
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#else //USE_DISPLAY_SERVICE
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static int vsyncEventReceiverCamera(int fd, int events, void* data);
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static void* vsyncThreadCamera(void * data);
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#endif //USE_DISPLAY_SERVICE
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void computeAverageVsyncInterval(nsecs_t currentVsyncTimeStamp);
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nsecs_t computePresentationTimeStamp(nsecs_t frameTimeStamp);
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private:
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nsecs_t mVsyncTimeStamp;
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nsecs_t mAvgVsyncInterval;
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nsecs_t mOldTimeStamp;
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nsecs_t mVsyncIntervalHistory[CAMERA_NUM_VSYNC_INTERVAL_HISTORY];
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nsecs_t mVsyncHistoryIndex;
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nsecs_t mAdditionalVsyncOffsetForWiggle;
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// Tunable property. Increasing this will increase the frame delay and will loose
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// the real time display.
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uint32_t mNum_vsync_from_vfe_isr_to_presentation_timestamp;
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// Tunable property. Set the time stamp x ns prior to expected vsync so that
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// it will be picked in that vsync
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nsecs_t mSet_timestamp_num_ns_prior_to_vsync;
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// Tunable property for filtering timestamp wiggle when VFE ISR crosses
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// over MDP ISR over a period. Typical scenario is VFE is running at
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// 30.2 fps vs display running at 60 fps.
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nsecs_t mVfe_and_mdp_freq_wiggle_filter_max_ns;
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nsecs_t mVfe_and_mdp_freq_wiggle_filter_min_ns;
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#ifdef USE_DISPLAY_SERVICE
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bool m_bInitDone;
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bool m_bSyncing;
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sp<IDisplayEventReceiver> mDisplayEventReceiver;
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sp<IDisplayService> mDisplayService;
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#else //USE_DISPLAY_SERVICE
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pthread_t mVsyncThreadCameraHandle;
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uint32_t mThreadExit;
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android::DisplayEventReceiver mDisplayEventReceiver;
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#endif //USE_DISPLAY_SERVICE
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};
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}; // namespace qcamera
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#endif /* __QCAMERADISPLAY_H__ */
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