DriveWorks SDK Reference
4.0.0 Release
For Test and Development only

ImageStreamer.h
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30 
47 #ifndef DW_IMAGE_IMAGESTREAMER_H_
48 #define DW_IMAGE_IMAGESTREAMER_H_
49 
50 #include <dw/core/Config.h>
51 #include <dw/core/base/Exports.h>
53 
54 #include <dw/image/Image.h>
55 
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59 
61 typedef struct dwImageStreamerObject* dwImageStreamerHandle_t;
62 
64 
70 
73 {
74 
82  const char* parameters;
83 
86  dwImageStreamerCrossProcessMode mode;
88 
104 dwStatus dwImageStreamer_setCUDAStream(cudaStream_t stream, dwImageStreamerHandle_t streamer);
105 
117 dwStatus dwImageStreamer_getCUDAStream(cudaStream_t* stream, dwImageStreamerHandle_t streamer);
118 
133 dwStatus dwImageStreamer_getOutputProperties(dwImageProperties* props, dwImageStreamerHandle_t const streamer);
134 
162 dwStatus dwImageStreamer_initialize(dwImageStreamerHandle_t* streamer,
163  const dwImageProperties* from, dwImageType to,
164  dwContextHandle_t ctx);
165 
166 #ifdef VIBRANTE
167 
189 dwStatus dwImageStreamer_initializeCrossProcess(dwImageStreamerHandle_t* streamer,
190  const dwImageProperties* from, dwImageType to,
192  dwContextHandle_t ctx);
193 #endif
194 
212 dwStatus dwImageStreamer_producerSend(dwImageHandle_t image, dwImageStreamerHandle_t const streamer);
213 
231  dwImageStreamerHandle_t const streamer);
232 
249  dwImageStreamerHandle_t const streamer);
250 
264 dwStatus dwImageStreamer_consumerReturn(dwImageHandle_t* image, dwImageStreamerHandle_t const streamer);
265 
276 dwStatus dwImageStreamer_release(dwImageStreamerHandle_t streamer);
277 
278 #ifdef __cplusplus
279 }
280 #endif
281 
283 #endif // DW_IMAGE_IMAGESSTREAMER_H_
DW_API_PUBLIC dwStatus dwImageStreamer_producerReturn(dwImageHandle_t *const image, dwTime_t const timeoutUs, dwImageStreamerHandle_t const streamer)
The producer streamer waits for the image sent to be returned by the consumer.
struct dwImageObject * dwImageHandle_t
Definition: Image.h:100
DW_API_PUBLIC dwStatus dwImageStreamer_getOutputProperties(dwImageProperties *props, dwImageStreamerHandle_t const streamer)
Get image properties of the image received from the streamer.
struct dwImageStreamerObject * dwImageStreamerHandle_t
Definition: ImageStreamer.h:61
dwImageStreamerCrossProcessMode
Definition: ImageStreamer.h:66
NVIDIA DriveWorks API: Image Conversion and Streaming Functionality
dwStatus
Status definition.
Definition: Status.h:180
int64_t dwTime_t
Specifies a timestamp unit, in microseconds.
Definition: Types.h:82
DW_API_PUBLIC dwStatus dwImageStreamer_producerSend(dwImageHandle_t image, dwImageStreamerHandle_t const streamer)
Sends an image through the streamer acting as the producer.
dwImageType
Specifies the image type.
Definition: Image.h:88
DW_API_PUBLIC dwStatus dwImageStreamer_consumerReturn(dwImageHandle_t *image, dwImageStreamerHandle_t const streamer)
Return the received image back to the producer.
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:79
NVIDIA DriveWorks API: Core Methods
dwImageStreamerCrossProcessMode mode
Operation mode of the cross-process image streamer.
Definition: ImageStreamer.h:86
DW_API_PUBLIC dwStatus dwImageStreamer_consumerReceive(dwImageHandle_t *image, dwTime_t const timeoutUs, dwImageStreamerHandle_t const streamer)
Receive a pointer to a dwImageHandle_t from the streamer, acting as a consumer.
Sets of parameters for cross-process image streamer creation.
Definition: ImageStreamer.h:72
DW_API_PUBLIC dwStatus dwImageStreamer_release(dwImageStreamerHandle_t streamer)
Releases the image streamer.
const char * parameters
Array to additional parameters provided to cross-process image streamer creation. ...
Definition: ImageStreamer.h:82
#define DW_API_PUBLIC
Definition: Exports.h:54
Defines the properties of the image.
Definition: Image.h:238
NVIDIA DriveWorks API: Core Exports
DW_API_PUBLIC dwStatus dwImageStreamer_getCUDAStream(cudaStream_t *stream, dwImageStreamerHandle_t streamer)
Get CUDA stream used by the image streamer.