VPI - Vision Programming Interface

3.0 Release

FFT.h
Go to the documentation of this file.
1 /*
2  * Copyright 2019-2021 NVIDIA Corporation. All rights reserved.
3  *
4  * NOTICE TO LICENSEE:
5  *
6  * This source code and/or documentation ("Licensed Deliverables") are
7  * subject to NVIDIA intellectual property rights under U.S. and
8  * international Copyright laws.
9  *
10  * These Licensed Deliverables contained herein is PROPRIETARY and
11  * CONFIDENTIAL to NVIDIA and is being provided under the terms and
12  * conditions of a form of NVIDIA software license agreement by and
13  * between NVIDIA and Licensee ("License Agreement") or electronically
14  * accepted by Licensee. Notwithstanding any terms or conditions to
15  * the contrary in the License Agreement, reproduction or disclosure
16  * of the Licensed Deliverables to any third party without the express
17  * written consent of NVIDIA is prohibited.
18  *
19  * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
20  * LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
21  * SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS
22  * PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
23  * NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
24  * DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
25  * NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
26  * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
27  * LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
28  * SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
29  * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
31  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
32  * OF THESE LICENSED DELIVERABLES.
33  *
34  * U.S. Government End Users. These Licensed Deliverables are a
35  * "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
36  * 1995), consisting of "commercial computer software" and "commercial
37  * computer software documentation" as such terms are used in 48
38  * C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
39  * only as a commercial end item. Consistent with 48 C.F.R.12.212 and
40  * 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
41  * U.S. Government End Users acquire the Licensed Deliverables with
42  * only those rights set forth herein.
43  *
44  * Any use of the Licensed Deliverables in individual and commercial
45  * software must include, in the user documentation and internal
46  * comments to the code, the above Disclaimer and U.S. Government End
47  * Users Notice.
48  */
49 
56 #ifndef NV_VPI_ALGORITHMS_FFT_H
57 #define NV_VPI_ALGORITHMS_FFT_H
58 
59 #include "../AlgoFlags.h"
60 #include "../Export.h"
61 #include "../Status.h"
62 #include "../Types.h"
63 
64 #include <stdint.h>
65 
66 #ifdef __cplusplus
67 extern "C" {
68 #endif
69 
128 VPI_PUBLIC VPIStatus vpiCreateFFT(uint64_t backends, int32_t inputWidth, int32_t inputHeight,
129  const VPIImageFormat inFormat, const VPIImageFormat outFormat, VPIPayload *payload);
130 
176 VPI_PUBLIC VPIStatus vpiSubmitFFT(VPIStream stream, uint64_t backend, VPIPayload payload, VPIImage input,
177  VPIImage output, uint64_t flags);
178 
219 VPI_PUBLIC VPIStatus vpiCreateIFFT(uint64_t backends, int32_t outputWidth, int32_t outputHeight,
220  const VPIImageFormat inFormat, const VPIImageFormat outFormat, VPIPayload *payload);
221 
273 VPI_PUBLIC VPIStatus vpiSubmitIFFT(VPIStream stream, uint64_t backend, VPIPayload payload, VPIImage input,
274  VPIImage output, uint64_t flags);
275 
278 #ifdef __cplusplus
279 }
280 #endif
281 
282 #endif /* NV_VPI_ALGORITHMS_FFT_H */
VPIStatus vpiCreateIFFT(uint64_t backends, int32_t outputWidth, int32_t outputHeight, const VPIImageFormat inFormat, const VPIImageFormat outFormat, VPIPayload *payload)
Creates payload for inverse Fast Fourier Transform algorithm.
VPIStatus vpiSubmitIFFT(VPIStream stream, uint64_t backend, VPIPayload payload, VPIImage input, VPIImage output, uint64_t flags)
Runs the inverse Fast Fourier Transform on single image.
VPIStatus vpiCreateFFT(uint64_t backends, int32_t inputWidth, int32_t inputHeight, const VPIImageFormat inFormat, const VPIImageFormat outFormat, VPIPayload *payload)
Creates payload for direct Fast Fourier Transform algorithm.
VPIStatus vpiSubmitFFT(VPIStream stream, uint64_t backend, VPIPayload payload, VPIImage input, VPIImage output, uint64_t flags)
Runs the direct Fast Fourier Transform on single image.
uint64_t VPIImageFormat
Pre-defined image formats.
Definition: ImageFormat.h:94
struct VPIImageImpl * VPIImage
A handle to an image.
Definition: Types.h:256
struct VPIPayloadImpl * VPIPayload
A handle to an algorithm payload.
Definition: Types.h:268
VPIStatus
Status codes.
Definition: Status.h:81
struct VPIStreamImpl * VPIStream
A handle to a stream.
Definition: Types.h:250