DriveWorks SDK Reference
3.5.78 Release
For Test and Development only

ImageStreamer.h
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30 
49 #ifndef DW_IMAGE_IMAGESTREAMER_H_
50 #define DW_IMAGE_IMAGESTREAMER_H_
51 
52 #include <dw/core/Config.h>
53 #include <dw/core/Exports.h>
54 #include <dw/core/Context.h>
55 
56 #include <dw/image/Image.h>
57 
58 #ifdef __cplusplus
59 extern "C" {
60 #endif
61 
63 typedef struct dwImageStreamerObject* dwImageStreamerHandle_t;
64 
66 
72 
75 {
76 
84  const char* parameters;
85 
88  dwImageStreamerCrossProcessMode mode;
90 
106 dwStatus dwImageStreamer_setCUDAStream(cudaStream_t stream, dwImageStreamerHandle_t streamer);
107 
119 dwStatus dwImageStreamer_getCUDAStream(cudaStream_t* stream, dwImageStreamerHandle_t streamer);
120 
135 dwStatus dwImageStreamer_getOutputProperties(dwImageProperties* props, dwImageStreamerHandle_t streamer);
136 
164 dwStatus dwImageStreamer_initialize(dwImageStreamerHandle_t* streamer,
165  const dwImageProperties* from, dwImageType to,
166  dwContextHandle_t ctx);
167 
168 #ifdef VIBRANTE
169 
191 dwStatus dwImageStreamer_initializeCrossProcess(dwImageStreamerHandle_t* streamer,
192  const dwImageProperties* from, dwImageType to,
194  dwContextHandle_t ctx);
195 #endif
196 
214 dwStatus dwImageStreamer_producerSend(dwImageHandle_t image, dwImageStreamerHandle_t streamer);
215 
233  dwImageStreamerHandle_t streamer);
234 
251  dwImageStreamerHandle_t streamer);
252 
266 dwStatus dwImageStreamer_consumerReturn(dwImageHandle_t* image, dwImageStreamerHandle_t streamer);
267 
278 dwStatus dwImageStreamer_release(dwImageStreamerHandle_t streamer);
279 
280 #ifdef __cplusplus
281 }
282 #endif
283 
285 #endif // DW_IMAGE_IMAGESSTREAMER_H_
DW_API_PUBLIC dwStatus dwImageStreamer_consumerReturn(dwImageHandle_t *image, dwImageStreamerHandle_t streamer)
Return the received image back to the producer.
struct dwImageObject * dwImageHandle_t
Definition: Image.h:99
struct dwImageStreamerObject * dwImageStreamerHandle_t
Definition: ImageStreamer.h:63
dwImageStreamerCrossProcessMode
Definition: ImageStreamer.h:68
NVIDIA DriveWorks API: Core Methods
NVIDIA DriveWorks API: Image Conversion and Streaming Functionality
dwStatus
Status definition.
Definition: Status.h:178
DW_API_PUBLIC dwStatus dwImageStreamer_producerReturn(dwImageHandle_t *image, dwTime_t timeout_us, dwImageStreamerHandle_t streamer)
The producer streamer waits for the image sent to be returned by the consumer.
int64_t dwTime_t
Specifies a timestamp unit, in microseconds.
Definition: Types.h:82
DW_API_PUBLIC dwStatus dwImageStreamer_getOutputProperties(dwImageProperties *props, dwImageStreamerHandle_t streamer)
Get image properties of the image received from the streamer.
dwImageType
Specifies the image type.
Definition: Image.h:87
DW_API_PUBLIC dwStatus dwImageStreamer_initializeCrossProcess(dwImageStreamerHandle_t *streamer, const dwImageProperties *from, dwImageType to, dwImageStreamerCrossProcessModeParams params, dwContextHandle_t ctx)
Creates and initializes the image streamer capable of moving images between different API types acros...
DW_API_PUBLIC dwStatus dwImageStreamer_initialize(dwImageStreamerHandle_t *streamer, const dwImageProperties *from, dwImageType to, dwContextHandle_t ctx)
Creates and initializes the image streamer capable of moving images between different API types...
DW_API_PUBLIC dwStatus dwImageStreamer_setCUDAStream(cudaStream_t stream, dwImageStreamerHandle_t streamer)
Sets the CUDA stream for CUDA related streaming operations such as post and receive.
struct dwContextObject * dwContextHandle_t
Context handle.
Definition: Context.h:80
dwImageStreamerCrossProcessMode mode
Operation mode of the cross-process image streamer.
Definition: ImageStreamer.h:88
Sets of parameters for cross-process image streamer creation.
Definition: ImageStreamer.h:74
NVIDIA DriveWorks API: Core Exports
DW_API_PUBLIC dwStatus dwImageStreamer_release(dwImageStreamerHandle_t streamer)
Releases the image streamer.
DW_API_PUBLIC dwStatus dwImageStreamer_consumerReceive(dwImageHandle_t *image, dwTime_t timeout_us, dwImageStreamerHandle_t streamer)
Receive a pointer to a dwImageHandle_t from the streamer, acting as a consumer.
const char * parameters
Array to additional parameters provided to cross-process image streamer creation. ...
Definition: ImageStreamer.h:84
DW_API_PUBLIC dwStatus dwImageStreamer_producerSend(dwImageHandle_t image, dwImageStreamerHandle_t streamer)
Sends an image through the streamer acting as the producer.
#define DW_API_PUBLIC
Definition: Exports.h:56
Defines the properties of the image.
Definition: Image.h:236
DW_API_PUBLIC dwStatus dwImageStreamer_getCUDAStream(cudaStream_t *stream, dwImageStreamerHandle_t streamer)
Get CUDA stream used by the image streamer.