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[cscore] Add polled support to listener

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Change Java VideoListener to use polling.
This commit is contained in:
Peter Johnson
2021-01-26 23:07:16 -08:00
parent 483beb6361
commit 29bf9d6ef1
11 changed files with 445 additions and 260 deletions
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16
cscore/src/main/native/include/cscore_c.h
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@@ -46,6 +46,7 @@ typedef int CS_Status;
typedef int CS_Handle;
typedef CS_Handle CS_Property;
typedef CS_Handle CS_Listener;
typedef CS_Handle CS_ListenerPoller;
typedef CS_Handle CS_Sink;
typedef CS_Handle CS_Source;
/** @} */
@@ -222,6 +223,9 @@ struct CS_Event {
enum CS_PropertyKind propertyKind;
int value;
const char* valueStr;
// Listener that was triggered
CS_Listener listener;
};
/**
@@ -429,9 +433,19 @@ void CS_SetListenerOnStart(void (*onStart)(void* data), void* data);
void CS_SetListenerOnExit(void (*onExit)(void* data), void* data);
CS_Listener CS_AddListener(
void* data, void (*callback)(void* data, const struct CS_Event* event),
int eventMask, int immediateNotify, CS_Status* status);
int eventMask, CS_Bool immediateNotify, CS_Status* status);
void CS_RemoveListener(CS_Listener handle, CS_Status* status);
CS_ListenerPoller CS_CreateListenerPoller(void);
void CS_DestroyListenerPoller(CS_ListenerPoller poller);
CS_Listener CS_AddPolledListener(CS_ListenerPoller poller, int eventMask,
CS_Bool immediateNotify, CS_Status* status);
struct CS_Event* CS_PollListener(CS_ListenerPoller poller, int* count);
struct CS_Event* CS_PollListenerTimeout(CS_ListenerPoller poller, int* count,
double timeout, CS_Bool* timedOut);
void CS_FreeEvents(struct CS_Event* arr, int count);
void CS_CancelPollListener(CS_ListenerPoller poller);
/** @} */
int CS_NotifierDestroyed(void);

12
cscore/src/main/native/include/cscore_cpp.h
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@@ -163,6 +163,9 @@ struct RawEvent {
CS_PropertyKind propertyKind;
int value;
std::string valueStr;
// Listener that was triggered
CS_Listener listener{0};
};
/**
@@ -378,6 +381,15 @@ CS_Listener AddListener(std::function<void(const RawEvent& event)> callback,
int eventMask, bool immediateNotify, CS_Status* status);
void RemoveListener(CS_Listener handle, CS_Status* status);
CS_ListenerPoller CreateListenerPoller();
void DestroyListenerPoller(CS_ListenerPoller poller);
CS_Listener AddPolledListener(CS_ListenerPoller poller, int eventMask,
bool immediateNotify, CS_Status* status);
std::vector<RawEvent> PollListener(CS_ListenerPoller poller);
std::vector<RawEvent> PollListener(CS_ListenerPoller poller, double timeout,
bool* timedOut);
void CancelPollListener(CS_ListenerPoller poller);
/** @} */
bool NotifierDestroyed();