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/*
* Copyright © 2012 Intel Corporation
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Jackie Li <yaodong.li@intel.com>
*
*/
#ifndef DISPLAY_ANALYZER_H
#define DISPLAY_ANALYZER_H
#include <utils/threads.h>
#include <utils/Vector.h>
namespace android {
namespace intel {
class DisplayAnalyzer {
public:
DisplayAnalyzer();
virtual ~DisplayAnalyzer();
public:
bool initialize();
void deinitialize();
void analyzeContents(size_t numDisplays, hwc_display_contents_1_t** displays);
bool isVideoExtModeActive();
bool isVideoExtModeEnabled();
bool isVideoLayer(hwc_layer_1_t &layer);
bool isVideoFullScreen(int device, hwc_layer_1_t &layer);
bool isOverlayAllowed();
int getVideoInstances();
void postHotplugEvent(bool connected);
void postVideoEvent(int instanceID, int state);
void postInputEvent(bool active);
void postVideoEvent(int instances, int instanceID, bool preparing, bool playing);
void postBlankEvent(bool blank);
void postIdleEntryEvent();
bool isPresentationLayer(hwc_layer_1_t &layer);
bool isProtectedLayer(hwc_layer_1_t &layer);
bool ignoreVideoSkipFlag();
int getFirstVideoInstanceSessionID();
private:
enum DisplayEventType {
HOTPLUG_EVENT,
BLANK_EVENT,
VIDEO_EVENT,
TIMING_EVENT,
INPUT_EVENT,
DPMS_EVENT,
IDLE_ENTRY_EVENT,
IDLE_EXIT_EVENT,
VIDEO_CHECK_EVENT,
};
struct Event {
int type;
struct VideoEvent {
int instanceID;
int state;
};
union {
bool bValue;
int nValue;
VideoEvent videoEvent;
};
};
inline void postEvent(Event& e);
inline bool getEvent(Event& e);
void handlePendingEvents();
void handleHotplugEvent(bool connected);
void handleBlankEvent(bool blank);
void handleVideoEvent(int instanceID, int state);
void handleTimingEvent();
void handleInputEvent(bool active);
void handleDpmsEvent(int delayCount);
void handleIdleEntryEvent(int count);
void handleIdleExitEvent();
void handleVideoCheckEvent();
void blankSecondaryDevice();
void handleVideoExtMode();
void checkVideoExtMode();
void enterVideoExtMode();
void exitVideoExtMode();
bool hasProtectedLayer();
inline void setCompositionType(hwc_display_contents_1_t *content, int type);
inline void setCompositionType(int device, int type, bool reset);
private:
// Video playback state, must match defintion in Multi Display Service
enum
{
VIDEO_PLAYBACK_IDLE,
VIDEO_PLAYBACK_STARTING,
VIDEO_PLAYBACK_STARTED,
VIDEO_PLAYBACK_STOPPING,
VIDEO_PLAYBACK_STOPPED,
};
enum
{
// number of idle flips before display can enter idle mode
// we can set maxfifo even with more than one plane is active,
// display controller will check whether condition is met to
// enter into maxfifo, so no need to delay.
DELAY_BEFORE_IDLE_ENTRY = 0,
// number of flips before display can be powered off in video extended mode
DELAY_BEFORE_DPMS_OFF = 0,
};
private:
bool mInitialized;
bool mVideoExtModeEnabled;
bool mVideoExtModeEligible;
bool mVideoExtModeActive;
bool mBlankDevice;
bool mOverlayAllowed;
bool mActiveInputState;
// workaround HWC_SKIP_LAYER set during rotation for extended video mode
// by default if layer has HWC_SKIP_LAYER flag it should not be processed by HWC
bool mIgnoreVideoSkipFlag;
bool mProtectedVideoSession;
// map video instance ID to video state
KeyedVector<int, int> mVideoStateMap;
int mCachedNumDisplays;
hwc_display_contents_1_t** mCachedDisplays;
Vector<Event> mPendingEvents;
Mutex mEventMutex;
Condition mEventHandledCondition;
};
} // namespace intel
} // namespace android
#endif /* DISPLAY_ANALYZER_H */
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