VPI - Vision Programming Interface

1.2 Release

Event.h
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49 
56 #ifndef NV_VPI_EVENT_H
57 #define NV_VPI_EVENT_H
58 
59 #include "Export.h"
60 #include "Status.h"
61 #include "Types.h"
62 
63 #include <stdint.h>
64 
96 #ifdef __cplusplus
97 extern "C" {
98 #endif
99 
102 #define VPI_EVENT_DISABLE_TIMESTAMP (1 << 18)
117 #if NV_VPI_VERSION_API_IS(1, 0)
118 __asm__(".symver vpiEventCreate,vpiEventCreate@VPI_1.0");
119 #endif
120 VPI_PUBLIC VPIStatus vpiEventCreate(uint32_t flags, VPIEvent *event);
121 
127 VPI_PUBLIC void vpiEventDestroy(VPIEvent event);
128 
148 VPI_PUBLIC VPIStatus vpiEventRecord(VPIEvent event, VPIStream stream);
149 
158 VPI_PUBLIC VPIStatus vpiEventSync(VPIEvent event);
159 
169 VPI_PUBLIC VPIStatus vpiEventQuery(VPIEvent event, VPIEventState *state);
170 
183 VPI_PUBLIC VPIStatus vpiEventElapsedTimeMillis(VPIEvent start, VPIEvent end, float *msec);
184 
193 VPI_PUBLIC VPIStatus vpiEventGetFlags(VPIEvent event, uint32_t *flags);
194 
195 #ifdef __cplusplus
196 }
197 #endif
198 
201 #endif /* NV_VPI_EVENT_H */
Declaration of VPI status codes handling functions.
Defines all types needed for programming with VPI.
struct VPIEventImpl * VPIEvent
A handle to an event.
Definition: Types.h:203
VPIStatus vpiEventElapsedTimeMillis(VPIEvent start, VPIEvent end, float *msec)
Computes the elapsed time in (msec) between two completed events.
VPIStatus vpiEventQuery(VPIEvent event, VPIEventState *state)
Queries the status of all work currently captured by the event.
VPIStatus vpiEventGetFlags(VPIEvent event, uint32_t *flags)
Returns the event flags passed during event creation.
VPIStatus vpiEventRecord(VPIEvent event, VPIStream stream)
Captures in the event the contents of the stream command queue at the time of this call.
VPIStatus vpiEventSync(VPIEvent event)
Blocks the calling thread until the event is signaled.
VPIStatus vpiEventCreate(uint32_t flags, VPIEvent *event)
Create an event instance with the specified flags.
void vpiEventDestroy(VPIEvent event)
Destroy an event instance as well as all resources it owns.
VPIStatus
Status codes.
Definition: Status.h:81
struct VPIStreamImpl * VPIStream
A handle to a stream.
Definition: Types.h:209
VPIEventState
Defines the states of the event.
Definition: Types.h:462