VPI - Vision Programming Interface

0.4.4 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 
104 typedef struct CUevent_st *CUevent;
105 
108 #define VPI_EVENT_DISABLE_TIMESTAMP (1 << 18)
112 #define vpiEventCreate VPI_APINAME(vpiEventCreate, 004)
113 #define vpiEventGetFlags VPI_APINAME(vpiEventGetFlags, 004)
114 
128 VPI_PUBLIC VPIStatus vpiEventCreate(uint32_t flags, VPIEvent *event);
129 
135 VPI_PUBLIC void vpiEventDestroy(VPIEvent event);
136 
150 VPI_PUBLIC VPIStatus vpiEventCreateCudaEventWrapper(CUevent cudaEvent, VPIEvent *event);
151 
169 VPI_PUBLIC VPIStatus vpiEventRecord(VPIEvent event, VPIStream stream);
170 
179 VPI_PUBLIC VPIStatus vpiEventSync(VPIEvent event);
180 
190 VPI_PUBLIC VPIStatus vpiEventQuery(VPIEvent event);
191 
204 VPI_PUBLIC VPIStatus vpiEventElapsedTime(VPIEvent start, VPIEvent end, float *msec);
205 
214 VPI_PUBLIC VPIStatus vpiEventGetFlags(VPIEvent event, uint32_t *flags);
215 
216 #ifdef __cplusplus
217 }
218 #endif
219  // end of VPI_Event
221 
222 #endif // NV_VPI_EVENT_H
vpiEventElapsedTime
VPIStatus vpiEventElapsedTime(VPIEvent start, VPIEvent end, float *msec)
Computes the elapsed time in (msec) between two completed events.
vpiEventCreate
VPIStatus vpiEventCreate(uint32_t flags, VPIEvent *event)
Create an event instance with the specified flags.
vpiEventSync
VPIStatus vpiEventSync(VPIEvent event)
Blocks the calling thread until the event is signaled.
Types.h
Defines all types needed for programming with VPI.
vpiEventRecord
VPIStatus vpiEventRecord(VPIEvent event, VPIStream stream)
Captures in the event the contents of the stream command queue at the time of this call.
VPIStream
struct VPIStreamImpl * VPIStream
A handle to a stream.
Definition: Types.h:190
VPIEvent
struct VPIEventImpl * VPIEvent
A handle to an event.
Definition: Types.h:184
vpiEventGetFlags
VPIStatus vpiEventGetFlags(VPIEvent event, uint32_t *flags)
Returns the event flags passed during event creation.
vpiEventCreateCudaEventWrapper
VPIStatus vpiEventCreateCudaEventWrapper(CUevent cudaEvent, VPIEvent *event)
Create an event object by wrapping around an existing CUDA CUevent object.
Status.h
Declaration of VPI status codes handling functions.
VPIStatus
VPIStatus
Status codes.
Definition: Status.h:81
vpiEventDestroy
void vpiEventDestroy(VPIEvent event)
Destroy an event instance as well as all resources it owns.
vpiEventQuery
VPIStatus vpiEventQuery(VPIEvent event)
Queries the status of all work currently captured by the event.