VPI - Vision Programming Interface

0.3.7 Release

Stream.h
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49 
56 #ifndef NV_VPI_STREAM_H
57 #define NV_VPI_STREAM_H
58 
59 #include "Export.h"
60 #include "Status.h"
61 #include "Types.h"
62 
67 typedef struct CUstream_st *CUstream;
68 
91 #ifdef __cplusplus
92 extern "C" {
93 #endif
94 
103 VPI_PUBLIC VPIStatus vpiStreamCreate(VPIDeviceType devType, VPIStream *stream);
104 
112 VPI_PUBLIC VPIStatus vpiStreamWrapCuda(CUstream cudaStream, VPIStream *stream);
113 
119 VPI_PUBLIC void vpiStreamDestroy(VPIStream stream);
120 
127 VPI_PUBLIC VPIStatus vpiStreamGetDeviceType(VPIStream stream, VPIDeviceType *deviceType);
128 
138 VPI_PUBLIC VPIStatus vpiStreamSync(VPIStream stream);
139 
149 VPI_PUBLIC VPIStatus vpiStreamWaitFor(VPIStream stream, VPIEvent event);
150 
159 
168 VPI_PUBLIC void vpiPayloadDestroy(VPIPayload payload);
169 
170 #ifdef __cplusplus
171 }
172 #endif
173  // end of VPI_Stream
175 
176 #endif // NV_VPI_STREAM_H
Export.h
vpiStreamGetThreadHandle
VPIStatus vpiStreamGetThreadHandle(VPIStream stream, VPINativeThreadHandle *handle)
Returns OS-specific handle of the background stream processing thread.
Types.h
vpiStreamWrapCuda
VPIStatus vpiStreamWrapCuda(CUstream cudaStream, VPIStream *stream)
Wraps an existing CUDA stream in a VPI stream for CUDA backend.
vpiStreamCreate
VPIStatus vpiStreamCreate(VPIDeviceType devType, VPIStream *stream)
Create a stream instance.
vpiPayloadDestroy
void vpiPayloadDestroy(VPIPayload payload)
Deallocates the payload object and all associated resources.
vpiStreamSync
VPIStatus vpiStreamSync(VPIStream stream)
Blocks the calling thread until all submitted commands in this stream queue are done (queue is empty)...
VPIStream
struct VPIStreamImpl * VPIStream
A handle to a stream.
Definition: Types.h:177
vpiStreamDestroy
void vpiStreamDestroy(VPIStream stream)
Destroy a stream instance and deallocate all HW resources.
VPIEvent
struct VPIEventImpl * VPIEvent
A handle to an event.
Definition: Types.h:171
VPIPayload
struct VPIPayloadImpl * VPIPayload
A handle to an algorithm payload.
Definition: Types.h:195
vpiStreamWaitFor
VPIStatus vpiStreamWaitFor(VPIStream stream, VPIEvent event)
Pushes a command that blocks the processing of all future commands by the backend until the event is ...
Status.h
VPIStatus
VPIStatus
Status codes.
Definition: Types.h:523
VPINativeThreadHandle
void * VPINativeThreadHandle
A handle to OS-specific thread handle.
Definition: Types.h:153
VPIDeviceType
VPIDeviceType
Device types.
Definition: Types.h:554
vpiStreamGetDeviceType
VPIStatus vpiStreamGetDeviceType(VPIStream stream, VPIDeviceType *deviceType)
Returns the backend type associated with the given stream.