Jetson Linux API Reference

32.7.3 Release
nvbuf_utils.h
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1 /*
2  * Copyright (c) 2016-2022, NVIDIA CORPORATION. All rights reserved.
3  *
4  * NVIDIA Corporation and its licensors retain all intellectual property
5  * and proprietary rights in and to this software, related documentation
6  * and any modifications thereto. Any use, reproduction, disclosure or
7  * distribution of this software and related documentation without an express
8  * license agreement from NVIDIA Corporation is strictly prohibited.
9  */
10 
25 #ifndef _NVBUF_UTILS_H_
26 #define _NVBUF_UTILS_H_
27 
28 #ifdef __cplusplus
29 extern "C"
30 {
31 #endif
32 
33 #include <EGL/egl.h>
34 #include <EGL/eglext.h>
35 #include <errno.h>
36 #include <stdbool.h>
37 #ifdef __ANDROID__
38 #include <cutils/native_handle.h>
39 #endif
40 
44 #define MAX_NUM_PLANES 4
45 
49 #define MAX_COMPOSITE_FRAME 16
50 
55 #define NVBUF_CHROMA_SUBSAMPLING_HORIZ_DEFAULT 0
56 #define NVBUF_CHROMA_SUBSAMPLING_VERT_DEFAULT 1
57 
61 #define NVBUF_MAX_SYNCOBJ_PARAMS 5
62 
69 #define NVBUFFER_SYNCPOINT_WAIT_INFINITE 0xFFFFFFFF
70 
74 typedef enum
75 {
81 
85 typedef enum
86 {
92 
97 typedef enum
98 {
104 
108 typedef enum
109 {
115 
119 typedef enum
120 {
128 
134 typedef enum
135 {
150 } NvBufferTag;
151 
155 typedef enum
156 {
272 
276 typedef enum
277 {
295 
299 typedef enum
300 {
314 
318 typedef enum {
328 
332 typedef enum {
336  NVBUFFER_BLEND = 1 << 1,
340 
347 {
348  uint32_t syncpointID;
349  uint32_t value;
351 
355 typedef struct _NvBufferSyncObjRec
356 {
358  uint32_t num_insyncobj;
360  uint32_t use_outsyncobj;
362 
366 typedef struct
367 {
369  float r;
371  float g;
373  float b;
375 
379 typedef struct
380 {
382  uint32_t top;
384  uint32_t left;
386  uint32_t width;
388  uint32_t height;
389 }NvBufferRect;
390 
397 typedef struct _NvBufferSession * NvBufferSession;
398 
403 {
405  uint8_t chromaLocHoriz;
406  uint8_t chromaLocVert;
408 
409 #define NVBUF_CHROMA_SUBSAMPLING_PARAMS_DEFAULT \
410  { \
411  NVBUF_CHROMA_SUBSAMPLING_HORIZ_DEFAULT, \
412  NVBUF_CHROMA_SUBSAMPLING_VERT_DEFAULT \
413  }
414 
418 typedef struct _NvBufferCreateParams
419 {
421  int32_t width;
423  int32_t height;
427  int32_t memsize;
435 
439 typedef struct _NvBufferParams
440 {
442  uint32_t dmabuf_fd;
444  void *nv_buffer;
448  int32_t memsize;
450  uint32_t nv_buffer_size;
454  uint32_t num_planes;
468 
472 typedef struct _NvBufferParamsEx
473 {
501  void *reserved;
503 
508 {
510  uint32_t composite_flag;
512  uint32_t input_buf_count;
527 
532 {
534  uint32_t transform_flag;
547 
548 
557 int NvBufferSyncObjWait (NvBufferSyncObjParams *syncobj_params, unsigned int timeout);
558 
564 int NvBufferGetSize (void);
565 
577 EGLImageKHR NvEGLImageFromFd (EGLDisplay display, int dmabuf_fd);
578 
589 int NvDestroyEGLImage (EGLDisplay display, EGLImageKHR eglImage);
590 
603 int NvBufferCreate (int *dmabuf_fd, int width, int height,
604  NvBufferLayout layout, NvBufferColorFormat colorFormat);
605 
614 int NvBufferCreateEx (int *dmabuf_fd, NvBufferCreateParams *input_params);
615 
624 int NvBufferCreateInterlace (int *dmabuf_fd, NvBufferCreateParams *input_params);
625 
626 
636 int NvBufferCreateWithChromaLoc (int *dmabuf_fd, NvBufferCreateParams *input_params, NvBufferChromaSubsamplingParams *chromaSubsampling);
637 
646 int NvBufferCreateCompressed (int *dmabuf_fd, NvBufferCreateParams *input_params);
647 
655 int NvBufferGetParams (int dmabuf_fd, NvBufferParams *params);
656 
664 int NvBufferGetParamsEx (int dmabuf_fd, NvBufferParamsEx *exparams);
665 
672 int NvBufferDestroy (int dmabuf_fd);
673 
681 int ExtractFdFromNvBuffer (void *nvbuf, int *dmabuf_fd);
682 
690 int NvReleaseFd (int dmabuf_fd);
691 
703 int NvBufferMemSyncForCpu (int dmabuf_fd, unsigned int plane, void **pVirtAddr);
704 
717 int NvBufferMemSyncForCpuEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr);
718 
730 int NvBufferMemSyncForDevice (int dmabuf_fd, unsigned int plane, void **pVirtAddr);
731 
744 int NvBufferMemSyncForDeviceEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr);
745 
767 int NvBufferMemMap (int dmabuf_fd, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr);
768 
791 int NvBufferMemMapEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr);
792 
808 int NvBufferMemUnMap (int dmabuf_fd, unsigned int plane, void **pVirtAddr);
809 
826 int NvBufferMemUnMapEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr);
827 
838 int NvBuffer2Raw (int dmabuf_fd, unsigned int plane, unsigned int out_width, unsigned int out_height, unsigned char *ptr);
839 
850 int Raw2NvBuffer (unsigned char *ptr, unsigned int plane, unsigned int in_width, unsigned int in_height, int dmabuf_fd);
851 
859 
865 
875 int NvBufferTransform (int src_dmabuf_fd, int dst_dmabuf_fd, NvBufferTransformParams *transform_params);
876 
888 int NvBufferTransformEx (int src_dmabuf_fd, NvBufferParamsEx *input_params, int dst_dmabuf_fd, NvBufferParamsEx *output_params, NvBufferTransformParams *transform_params);
889 
900 int NvBufferTransformAsync (int src_dmabuf_fd, int dst_dmabuf_fd, NvBufferTransformParams *transform_params, NvBufferSyncObj *syncobj);
901 
902 
915 int NvBufferComposite (int *src_dmabuf_fds, int dst_dmabuf_fd, NvBufferCompositeParams *composite_params);
916 
934 int NvBufferImportFd (int in_dmabuf_fd, int *out_dmabuf_fd, NvBufferParamsEx *in_params);
935 
936 #ifdef __ANDROID__
937 
947 int NvBufferImportGraphicBufferFd(int *out_dmabuf_fd, buffer_handle_t *handle, NvBufferParamsEx *exparams);
948 #endif
949 
950 #ifdef __cplusplus
951 }
952 #endif
953 
956 #endif
NvBufferSession
struct _NvBufferSession * NvBufferSession
Holds an opaque NvBuffer session type required for parallel buffer tranformations and compositions.
Definition: nvbuf_utils.h:397
NVBUF_MAX_SYNCOBJ_PARAMS
#define NVBUF_MAX_SYNCOBJ_PARAMS
Defines the maximum number of sync object parameters.
Definition: nvbuf_utils.h:61
NvBufferColorFormat_NV16_10LE
@ NvBufferColorFormat_NV16_10LE
BT.601 colorspace - Y/CbCr 4:2:2 10-bit semi-planar.
Definition: nvbuf_utils.h:236
NvBufferColorFormat_YUV444
@ NvBufferColorFormat_YUV444
BT.601 colorspace - YUV444 multi-planar.
Definition: nvbuf_utils.h:230
NvBufferColorFormat_NV12_2020
@ NvBufferColorFormat_NV12_2020
BT.2020 colorspace - Y/CbCr 4:2:0 multi-planar.
Definition: nvbuf_utils.h:224
_NvBufferCreateParams::width
int32_t width
width of the buffer.
Definition: nvbuf_utils.h:421
NVBUFFER_TRANSFORM_FILTER
@ NVBUFFER_TRANSFORM_FILTER
transform flag to set filter type.
Definition: nvbuf_utils.h:324
NVBUFFER_TRANSFORM_FLIP
@ NVBUFFER_TRANSFORM_FLIP
transform flag to set flip method.
Definition: nvbuf_utils.h:326
NvBufferComposite
int NvBufferComposite(int *src_dmabuf_fds, int dst_dmabuf_fd, NvBufferCompositeParams *composite_params)
Composites multiple input DMA buffers to one output DMA buffer.
_NvBufferCompositeParams::dst_comp_rect_alpha
float dst_comp_rect_alpha[MAX_COMPOSITE_FRAME]
alpha values of input buffers for the blending.
Definition: nvbuf_utils.h:516
NvBufferDestroy
int NvBufferDestroy(int dmabuf_fd)
Destroys a hardware buffer.
NVBUFFER_BLEND
@ NVBUFFER_BLEND
flag to set for blending.
Definition: nvbuf_utils.h:336
_NvBufferParams
Holds parameters for a hardware buffer.
Definition: nvbuf_utils.h:439
_NvBufferParamsEx::syncobj
NvBufferSyncObj syncobj
buffer sync point object parameters
Definition: nvbuf_utils.h:499
NvBufferSyncObjParams
struct _NvBufferSyncObjParams NvBufferSyncObjParams
Holds parameters for buffer sync point object.
NvBufferMem_Read
@ NvBufferMem_Read
Memory read.
Definition: nvbuf_utils.h:122
NvBufferColorFormat_NV12
@ NvBufferColorFormat_NV12
BT.601 colorspace - Y/CbCr 4:2:0 multi-planar.
Definition: nvbuf_utils.h:168
NvBufferMemMap
int NvBufferMemMap(int dmabuf_fd, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr)
Gets the memory-mapped virtual address of the plane.
NVBUFFER_TRANSFORM_CROP_SRC
@ NVBUFFER_TRANSFORM_CROP_SRC
transform flag to crop source rectangle.
Definition: nvbuf_utils.h:320
MAX_NUM_PLANES
#define MAX_NUM_PLANES
Defines the maximum number of planes for a video frame.
Definition: nvbuf_utils.h:44
_NvBufferChromaSubSamplingParams
Holds Chroma Subsampling parameters.
Definition: nvbuf_utils.h:402
NvBufferPayload_MemHandle
@ NvBufferPayload_MemHandle
buffer payload with hardware memory handle for specific memory size.
Definition: nvbuf_utils.h:79
_NvBufferParams::nv_buffer_size
uint32_t nv_buffer_size
size of hardware buffer.
Definition: nvbuf_utils.h:450
NvBufferTransform_InvTranspose
@ NvBufferTransform_InvTranspose
Video flip inverse transpode.
Definition: nvbuf_utils.h:293
_NvBufferCompositeParams::composite_bgcolor
NvBufferCompositeBackground composite_bgcolor
background color values for composition.
Definition: nvbuf_utils.h:522
NvBufferCompositeParams
struct _NvBufferCompositeParams NvBufferCompositeParams
Holds parameters related to compositing/blending.
_NvBufferCreateParams::memsize
int32_t memsize
size of the memory.
Definition: nvbuf_utils.h:427
NvBufferColorFormat_YUV420_2020
@ NvBufferColorFormat_YUV420_2020
BT.2020 colorspace - YUV420 multi-planar.
Definition: nvbuf_utils.h:222
NvBufferGetParamsEx
int NvBufferGetParamsEx(int dmabuf_fd, NvBufferParamsEx *exparams)
Gets buffer extended parameters.
NvBufferColorFormat_NV21
@ NvBufferColorFormat_NV21
BT.601 colorspace - Y/CbCr 4:2:0 multi-planar.
Definition: nvbuf_utils.h:172
NvBufferSessionCreate
NvBufferSession NvBufferSessionCreate(void)
Creates a new NvBufferSession for parallel scheduling of buffer transformations and compositions.
NvBufferMemSyncForCpu
int NvBufferMemSyncForCpu(int dmabuf_fd, unsigned int plane, void **pVirtAddr)
Syncs the hardware memory cache for the CPU.
NvBufferTag_PROTECTED
@ NvBufferTag_PROTECTED
tag for VPR Buffers.
Definition: nvbuf_utils.h:143
NvBufferColorFormat_NV24_709
@ NvBufferColorFormat_NV24_709
BT.709 colorspace - Y/CbCr 4:4:4 multi-planar.
Definition: nvbuf_utils.h:248
NvBufferTag_VIDEO_DEC
@ NvBufferTag_VIDEO_DEC
tag for H264/H265/VP9 Video Decoder.
Definition: nvbuf_utils.h:147
NvBufferColorFormat_YVYU_ER
@ NvBufferColorFormat_YVYU_ER
BT.601 colorspace - YUV ER 4:2:2 planar.
Definition: nvbuf_utils.h:190
NvBufferLayout_Pitch
@ NvBufferLayout_Pitch
Pitch Layout.
Definition: nvbuf_utils.h:111
NvBufferChromaSubsamplingParams
struct _NvBufferChromaSubSamplingParams NvBufferChromaSubsamplingParams
Holds Chroma Subsampling parameters.
NvBufferMem_Write
@ NvBufferMem_Write
Memory write.
Definition: nvbuf_utils.h:124
_NvBufferParams::layout
uint32_t layout[MAX_NUM_PLANES]
layout type of each planes of hardware buffer.
Definition: nvbuf_utils.h:466
NvBufferColorFormat_XRGB32
@ NvBufferColorFormat_XRGB32
LegacyRGBA colorspace - XRGB-8-8-8-8 planar.
Definition: nvbuf_utils.h:194
NvBufferColorFormat_NV12_10LE_709
@ NvBufferColorFormat_NV12_10LE_709
BT.709 colorspace - Y/CbCr 4:2:0 10-bit multi-planar.
Definition: nvbuf_utils.h:200
NvBufferRect::width
uint32_t width
rectangle width.
Definition: nvbuf_utils.h:386
NvBufferTransform_Filter
NvBufferTransform_Filter
Defines transform video filter types.
Definition: nvbuf_utils.h:299
NvBufferTransform_FlipY
@ NvBufferTransform_FlipY
Video flip with respect to Y-axis.
Definition: nvbuf_utils.h:289
NvBufferColorFormat_ARGB32
@ NvBufferColorFormat_ARGB32
LegacyRGBA colorspace - ARGB-8-8-8-8 planar.
Definition: nvbuf_utils.h:196
Raw2NvBuffer
int Raw2NvBuffer(unsigned char *ptr, unsigned int plane, unsigned int in_width, unsigned int in_height, int dmabuf_fd)
Copies raw buffer plane contents to an NvBuffer plane.
_NvBufferSyncObjRec::insyncobj
NvBufferSyncObjParams insyncobj[NVBUF_MAX_SYNCOBJ_PARAMS]
Definition: nvbuf_utils.h:357
NvBufferTransform_Filter_5_Tap
@ NvBufferTransform_Filter_5_Tap
transform filter 5 tap.
Definition: nvbuf_utils.h:306
NvBufferColorFormat_GRAY8
@ NvBufferColorFormat_GRAY8
8-bit grayscale.
Definition: nvbuf_utils.h:232
_NvBufferParams::pixel_format
NvBufferColorFormat pixel_format
video format type of hardware buffer.
Definition: nvbuf_utils.h:452
NvBufferPayloadType
NvBufferPayloadType
Defines Payload types for NvBuffer.
Definition: nvbuf_utils.h:74
NvBufferColorFormat_YUYV
@ NvBufferColorFormat_YUYV
BT.601 colorspace - YUV 4:2:2 planar.
Definition: nvbuf_utils.h:184
_NvBufferParams::psize
uint32_t psize[MAX_NUM_PLANES]
size of each vodeo planes of hardware buffer.
Definition: nvbuf_utils.h:464
_NvBufferTransformParams::session
NvBufferSession session
NvBufferSession to be used for transform.
Definition: nvbuf_utils.h:545
NvBufferColorFormat_NV12_709
@ NvBufferColorFormat_NV12_709
BT.709 colorspace - Y/CbCr 4:2:0 multi-planar.
Definition: nvbuf_utils.h:218
NvBufferTransform_Rotate180
@ NvBufferTransform_Rotate180
Video flip rotate 180 degree.
Definition: nvbuf_utils.h:283
NvBufferColorFormat_NV21_10LE
@ NvBufferColorFormat_NV21_10LE
BT.601 colorspace - Y/CrCb 4:2:0 10-bit multi-planar.
Definition: nvbuf_utils.h:206
NvBufferCompositeBackground::g
float g
background color value for g.
Definition: nvbuf_utils.h:371
NvBufferMem_Read_Write
@ NvBufferMem_Read_Write
Memory read & write.
Definition: nvbuf_utils.h:126
NvBufferTransform_Filter_Bilinear
@ NvBufferTransform_Filter_Bilinear
transform filter bilinear.
Definition: nvbuf_utils.h:304
NvBufferCompositeBackground::b
float b
background color value for b.
Definition: nvbuf_utils.h:373
NvBufferColorFormat_YUYV_ER
@ NvBufferColorFormat_YUYV_ER
BT.601 colorspace - YUV ER 4:2:2 planar.
Definition: nvbuf_utils.h:186
NvBufferMemUnMap
int NvBufferMemUnMap(int dmabuf_fd, unsigned int plane, void **pVirtAddr)
Unmaps the mapped virtual address of the plane.
NvReleaseFd
int NvReleaseFd(int dmabuf_fd)
Releases the dmabuf_fd buffer.
NvBufferCreate
int NvBufferCreate(int *dmabuf_fd, int width, int height, NvBufferLayout layout, NvBufferColorFormat colorFormat)
Allocates a hardware buffer (deprecated).
NvBufferTransform_Rotate270
@ NvBufferTransform_Rotate270
Video flip rotate 270 degree counter-clockwise.
Definition: nvbuf_utils.h:285
NvBufferTransform_Filter_10_Tap
@ NvBufferTransform_Filter_10_Tap
transform filter 10 tap.
Definition: nvbuf_utils.h:308
_NvBufferParamsEx::flags
uint64_t flags[MAX_NUM_PLANES]
flags associated with planes
Definition: nvbuf_utils.h:491
NvBufferColorFormat_YUV420
@ NvBufferColorFormat_YUV420
BT.601 colorspace - YUV420 multi-planar.
Definition: nvbuf_utils.h:158
_NvBufferParamsEx::sizeofvaliddatainbytes
int32_t sizeofvaliddatainbytes
size of the valid data from the first to the last valid byte.
Definition: nvbuf_utils.h:481
NvBufferParams
struct _NvBufferParams NvBufferParams
Holds parameters for a hardware buffer.
NvBufferTag_VIDEO_CONVERT
@ NvBufferTag_VIDEO_CONVERT
tag for Video Transform/Composite.
Definition: nvbuf_utils.h:149
NvBufferColorFormat_NV24
@ NvBufferColorFormat_NV24
BT.601 colorspace - Y/CbCr 4:4:4 multi-planar.
Definition: nvbuf_utils.h:238
_NvBufferParamsEx::secondfieldoffset
uint32_t secondfieldoffset[MAX_NUM_PLANES]
offset of the second field for interlaced buffer.
Definition: nvbuf_utils.h:485
_NvBufferParamsEx::is_protected
bool is_protected
get buffer vpr information.
Definition: nvbuf_utils.h:497
NvBufferColorFormat_NV16_709_ER
@ NvBufferColorFormat_NV16_709_ER
BT.709_ER colorspace - Y/CbCr 4:2:2 multi-planar.
Definition: nvbuf_utils.h:250
_NvBufferCompositeParams::session
NvBufferSession session
NvBufferSession to be used for composition.
Definition: nvbuf_utils.h:525
_NvBufferSyncObjParams::value
uint32_t value
Definition: nvbuf_utils.h:349
NvBufferCreateEx
int NvBufferCreateEx(int *dmabuf_fd, NvBufferCreateParams *input_params)
Allocates a hardware buffer.
NvBufferColorFormat_YVYU
@ NvBufferColorFormat_YVYU
BT.601 colorspace - YUV 4:2:2 planar.
Definition: nvbuf_utils.h:188
_NvBufferParamsEx::params
NvBufferParams params
nvbuffer basic parameters.
Definition: nvbuf_utils.h:475
_NvBufferCreateParams::payloadType
NvBufferPayloadType payloadType
payload type of the buffer.
Definition: nvbuf_utils.h:425
NvBufferRect::height
uint32_t height
rectangle height.
Definition: nvbuf_utils.h:388
NvBufferTransform_Filter_Nearest
@ NvBufferTransform_Filter_Nearest
transform filter nearest.
Definition: nvbuf_utils.h:302
NvBufferTransform_Flip
NvBufferTransform_Flip
Defines video flip methods.
Definition: nvbuf_utils.h:276
NvBufferTag_CAMERA
@ NvBufferTag_CAMERA
tag for Camera.
Definition: nvbuf_utils.h:139
NvBufferColorFormat_BGRA_10_10_10_2_709
@ NvBufferColorFormat_BGRA_10_10_10_2_709
Non-linear RGB BT.709 colorspace - BGRA-10-10-10-2 planar.
Definition: nvbuf_utils.h:266
NvBufferMemUnMapEx
int NvBufferMemUnMapEx(int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr)
Unmaps the mapped virtual address of the plane, API to be used for another process.
_NvBufferParamsEx
Holds extended parameters for a hardware buffer.
Definition: nvbuf_utils.h:472
_NvBufferParamsEx::physicaladdress
uint32_t physicaladdress[MAX_NUM_PLANES]
physical address of allocated planes.
Definition: nvbuf_utils.h:489
_NvBufferCompositeParams::composite_filter
NvBufferTransform_Filter composite_filter[MAX_COMPOSITE_FRAME]
filters to use for composition.
Definition: nvbuf_utils.h:514
_NvBufferParamsEx::scanformat
NvBufferDisplayScanFormat scanformat[MAX_NUM_PLANES]
display scan format - progressive/interlaced.
Definition: nvbuf_utils.h:483
_NvBufferParams::dmabuf_fd
uint32_t dmabuf_fd
Holds the DMABUF FD of the hardware buffer.
Definition: nvbuf_utils.h:442
NvBufferImportFd
int NvBufferImportFd(int in_dmabuf_fd, int *out_dmabuf_fd, NvBufferParamsEx *in_params)
Imports DMA buffer FD received from another process and create hardware buffer using the input params...
NvBufferColorFormat_NV24_709_ER
@ NvBufferColorFormat_NV24_709_ER
BT.709_ER colorspace - Y/CbCr 4:4:4 multi-planar.
Definition: nvbuf_utils.h:252
NvBufferCreateInterlace
int NvBufferCreateInterlace(int *dmabuf_fd, NvBufferCreateParams *input_params)
Allocates a hardware buffer for interlace scan format.
_NvBufferTransformParams::src_rect
NvBufferRect src_rect
source rectangle coordinates for crop opeartion.
Definition: nvbuf_utils.h:540
_NvBufferParamsEx::reserved
void * reserved
reserved field.
Definition: nvbuf_utils.h:501
NvBufferColorFormat_NV12_12LE_2020
@ NvBufferColorFormat_NV12_12LE_2020
BT.2020 colorspace - Y/CbCr 4:2:0 12-bit multi-planar.
Definition: nvbuf_utils.h:210
NvBufferMemSyncForDevice
int NvBufferMemSyncForDevice(int dmabuf_fd, unsigned int plane, void **pVirtAddr)
Syncs the hardware memory cache for the device.
NvBufferLayout
NvBufferLayout
Defines Layout formats for NvBuffer video planes.
Definition: nvbuf_utils.h:108
NvBufferColorFormat_YUV420_709_ER
@ NvBufferColorFormat_YUV420_709_ER
BT.709 colorspace - YUV420 ER multi-planar.
Definition: nvbuf_utils.h:216
NvBufferCreateWithChromaLoc
int NvBufferCreateWithChromaLoc(int *dmabuf_fd, NvBufferCreateParams *input_params, NvBufferChromaSubsamplingParams *chromaSubsampling)
Allocates a hardware buffer with a given chroma subsampling location.
NvBufferLayout_BlockLinear
@ NvBufferLayout_BlockLinear
BlockLinear Layout.
Definition: nvbuf_utils.h:113
NvBufferRect
Holds coordinates for a rectangle.
Definition: nvbuf_utils.h:379
NvBufferTransform_Filter_Smart
@ NvBufferTransform_Filter_Smart
transform filter smart.
Definition: nvbuf_utils.h:310
NvBufferTransform
int NvBufferTransform(int src_dmabuf_fd, int dst_dmabuf_fd, NvBufferTransformParams *transform_params)
Transforms one DMA buffer to another DMA buffer.
NvBufferCompression_Disabled
@ NvBufferCompression_Disabled
Compression disabled.
Definition: nvbuf_utils.h:100
NvBufferComposite_Flag
NvBufferComposite_Flag
Defines flags that specify valid composition/blending operations.
Definition: nvbuf_utils.h:332
_NvBufferSyncObjParams::syncpointID
uint32_t syncpointID
Definition: nvbuf_utils.h:348
_NvBufferChromaSubSamplingParams::chromaLocVert
uint8_t chromaLocVert
Definition: nvbuf_utils.h:406
NvBufferColorFormat_NV24_10LE_709_ER
@ NvBufferColorFormat_NV24_10LE_709_ER
BT.709 ER colorspace - Y/CbCr 10 bit 4:4:4 multi-planar.
Definition: nvbuf_utils.h:256
NVBUFFER_COMPOSITE_FILTER
@ NVBUFFER_COMPOSITE_FILTER
composition flag to set filter type.
Definition: nvbuf_utils.h:338
_NvBufferChromaSubSamplingParams::chromaLocHoriz
uint8_t chromaLocHoriz
location settings
Definition: nvbuf_utils.h:405
NvBufferDisplayScanFormat_Interlaced
@ NvBufferDisplayScanFormat_Interlaced
Interlaced scan formats.
Definition: nvbuf_utils.h:90
NvBufferColorFormat_VYUY_ER
@ NvBufferColorFormat_VYUY_ER
BT.601 colorspace - YUV ER 4:2:2 planar.
Definition: nvbuf_utils.h:182
_NvBufferParams::height
uint32_t height[MAX_NUM_PLANES]
height of each planes of hardware buffer.
Definition: nvbuf_utils.h:458
NvBufferColorFormat_YVU420_ER
@ NvBufferColorFormat_YVU420_ER
BT.601 colorspace - YVU420 ER multi-planar.
Definition: nvbuf_utils.h:166
NvBufferTag_JPEG
@ NvBufferTag_JPEG
tag for Jpeg Encoder/Decoder.
Definition: nvbuf_utils.h:141
_NvBufferParams::offset
uint32_t offset[MAX_NUM_PLANES]
memory offset values of each video planes of hardware buffer.
Definition: nvbuf_utils.h:462
_NvBufferCreateParams::colorFormat
NvBufferColorFormat colorFormat
colorformat of the buffer.
Definition: nvbuf_utils.h:431
_NvBufferCompositeParams::input_buf_count
uint32_t input_buf_count
number of the input buffers to be composited.
Definition: nvbuf_utils.h:512
NvBufferGetSize
int NvBufferGetSize(void)
This method can be used to get hardware Buffer struct size.
NvBufferRect::top
uint32_t top
rectangle top.
Definition: nvbuf_utils.h:382
_NvBufferTransformParams::dst_rect
NvBufferRect dst_rect
destination rectangle coordinates for crop opeartion.
Definition: nvbuf_utils.h:542
NvBufferColorFormat_NV24_10LE_2020
@ NvBufferColorFormat_NV24_10LE_2020
BT.2020 colorspace - Y/CbCr 10 bit 4:4:4 multi-planar.
Definition: nvbuf_utils.h:258
_NvBufferParams::pitch
uint32_t pitch[MAX_NUM_PLANES]
pitch of each planes of hardware buffer.
Definition: nvbuf_utils.h:460
NvBufferColorFormat_Invalid
@ NvBufferColorFormat_Invalid
Invalid color format.
Definition: nvbuf_utils.h:270
NvBufferDisplayScanFormat
NvBufferDisplayScanFormat
Defines display scan formats for NvBuffer video planes.
Definition: nvbuf_utils.h:85
NvBufferColorFormat_NV12_709_ER
@ NvBufferColorFormat_NV12_709_ER
BT.709 colorspace - Y/CbCr ER 4:2:0 multi-planar.
Definition: nvbuf_utils.h:220
NvBufferCreateCompressed
int NvBufferCreateCompressed(int *dmabuf_fd, NvBufferCreateParams *input_params)
Allocates a hardware buffer with compression enabled.
NvEGLImageFromFd
EGLImageKHR NvEGLImageFromFd(EGLDisplay display, int dmabuf_fd)
Creates an instance of EGLImage from a DMABUF FD.
NvBufferSyncObjWait
int NvBufferSyncObjWait(NvBufferSyncObjParams *syncobj_params, unsigned int timeout)
This method can be used to wait on sync point ID.
NvBufferColorFormat_UYVY_ER
@ NvBufferColorFormat_UYVY_ER
BT.601 colorspace - YUV ER 4:2:2 planar.
Definition: nvbuf_utils.h:178
NvBufferTag_NONE
@ NvBufferTag_NONE
tag None.
Definition: nvbuf_utils.h:137
NvBufferColorFormat_RGBA_10_10_10_2_2020
@ NvBufferColorFormat_RGBA_10_10_10_2_2020
Non-linear RGB BT.2020 colorspace - RGBA-10-10-10-2 planar.
Definition: nvbuf_utils.h:264
NvBufferPayload_SurfArray
@ NvBufferPayload_SurfArray
buffer payload with hardware memory handle for set of planes.
Definition: nvbuf_utils.h:77
_NvBufferCreateParams::height
int32_t height
height of the buffer.
Definition: nvbuf_utils.h:423
_NvBufferSyncObjRec::num_insyncobj
uint32_t num_insyncobj
Definition: nvbuf_utils.h:358
NvBufferColorFormat_NV24_10LE
@ NvBufferColorFormat_NV24_10LE
BT.601 colorspace - Y/CrCb 4:4:4 10-bit multi-planar.
Definition: nvbuf_utils.h:240
MAX_COMPOSITE_FRAME
#define MAX_COMPOSITE_FRAME
Defines the maximum number of input video frames that can be used for composition.
Definition: nvbuf_utils.h:49
NvBufferColorFormat_SignedR16G16
@ NvBufferColorFormat_SignedR16G16
Optical flow.
Definition: nvbuf_utils.h:226
_NvBufferParamsEx::startofvaliddata
int32_t startofvaliddata
offset in bytes from the start of the buffer to the first valid byte.
Definition: nvbuf_utils.h:478
NVBUFFER_TRANSFORM_CROP_DST
@ NVBUFFER_TRANSFORM_CROP_DST
transform flag to crop destination rectangle.
Definition: nvbuf_utils.h:322
NvBufferTransform_Flag
NvBufferTransform_Flag
Defines flags to indicate for valid transform.
Definition: nvbuf_utils.h:318
NvBufferColorFormat_NV12_ER
@ NvBufferColorFormat_NV12_ER
BT.601 colorspace - Y/CbCr ER 4:2:0 multi-planar.
Definition: nvbuf_utils.h:170
NvBufferColorFormat_NV24_12LE_2020
@ NvBufferColorFormat_NV24_12LE_2020
BT.2020 colorspace - Y/CbCr 12 bit 4:4:4 multi-planar.
Definition: nvbuf_utils.h:260
_NvBufferParams::memsize
int32_t memsize
size of the memory.
Definition: nvbuf_utils.h:448
_NvBufferCompositeParams::dst_comp_rect
NvBufferRect dst_comp_rect[MAX_COMPOSITE_FRAME]
destination rectangle coordinates of input buffers for composition.
Definition: nvbuf_utils.h:520
_NvBufferParams::width
uint32_t width[MAX_NUM_PLANES]
width of each planes of hardware buffer.
Definition: nvbuf_utils.h:456
NvBufferMemSyncForCpuEx
int NvBufferMemSyncForCpuEx(int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr)
Syncs the hardware memory cache for the CPU, API to be used for another process.
_NvBufferParams::nv_buffer
void * nv_buffer
pointer to hardware buffer memory.
Definition: nvbuf_utils.h:444
NvBufferColorFormat_NV12_10LE
@ NvBufferColorFormat_NV12_10LE
BT.601 colorspace - Y/CbCr 4:2:0 10-bit multi-planar.
Definition: nvbuf_utils.h:198
_NvBufferParamsEx::chromaSubsampling
NvBufferChromaSubsamplingParams chromaSubsampling
chroma subsampling parameters
Definition: nvbuf_utils.h:495
_NvBufferTransformParams::transform_flag
uint32_t transform_flag
flag to indicate which of the transform parameters are valid.
Definition: nvbuf_utils.h:534
_NvBufferSyncObjRec
buffer sync point object.
Definition: nvbuf_utils.h:355
_NvBufferCreateParams::layout
NvBufferLayout layout
layout of the buffer.
Definition: nvbuf_utils.h:429
NvBufferSessionDestroy
void NvBufferSessionDestroy(NvBufferSession session)
Destroys an existing NvBufferSession.
_NvBufferCreateParams
Holds the input parameters for hardware buffer creation.
Definition: nvbuf_utils.h:418
NvBufferCompression
NvBufferCompression
Defines Compression flag for NvBuffer.
Definition: nvbuf_utils.h:97
NvBufferColorFormat_YUV420_ER
@ NvBufferColorFormat_YUV420_ER
BT.601 colorspace - YUV420 ER multi-planar.
Definition: nvbuf_utils.h:164
_NvBufferSyncObjRec::use_outsyncobj
uint32_t use_outsyncobj
Definition: nvbuf_utils.h:360
NvBufferTransformAsync
int NvBufferTransformAsync(int src_dmabuf_fd, int dst_dmabuf_fd, NvBufferTransformParams *transform_params, NvBufferSyncObj *syncobj)
Transforms one DMA buffer to another DMA buffer asyncroniously (non-blocking).
NvBufferDisplayScanFormat_Progressive
@ NvBufferDisplayScanFormat_Progressive
Progessive scan formats.
Definition: nvbuf_utils.h:88
NvBufferParamsEx
struct _NvBufferParamsEx NvBufferParamsEx
Holds extended parameters for a hardware buffer.
NvBufferMemFlags
NvBufferMemFlags
Defines memory access flags for NvBuffer.
Definition: nvbuf_utils.h:119
NvBufferCompositeBackground
Holds composition background r,g,b colors.
Definition: nvbuf_utils.h:366
NvBufferTransform_None
@ NvBufferTransform_None
Video flip none.
Definition: nvbuf_utils.h:279
NvBufferColorFormat_YVU420
@ NvBufferColorFormat_YVU420
BT.601 colorspace - YUV420 multi-planar.
Definition: nvbuf_utils.h:160
NvBufferColorFormat_VYUY
@ NvBufferColorFormat_VYUY
BT.601 colorspace - YUV 4:2:2 planar.
Definition: nvbuf_utils.h:180
NvBuffer2Raw
int NvBuffer2Raw(int dmabuf_fd, unsigned int plane, unsigned int out_width, unsigned int out_height, unsigned char *ptr)
Copies the NvBuffer plane contents to a raw buffer plane.
NvBufferTransform_Transpose
@ NvBufferTransform_Transpose
Video flip transpose.
Definition: nvbuf_utils.h:291
NvBufferTransform_Rotate90
@ NvBufferTransform_Rotate90
Video flip rotate 90 degree counter-clockwise.
Definition: nvbuf_utils.h:281
NvBufferColorFormat_NV16_709
@ NvBufferColorFormat_NV16_709
BT.709 colorspace - Y/CbCr 4:2:2 multi-planar.
Definition: nvbuf_utils.h:246
NvBufferMemSyncForDeviceEx
int NvBufferMemSyncForDeviceEx(int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr)
Syncs the hardware memory cache for the device, API to be used for another process.
_NvBufferSyncObjParams
Holds parameters for buffer sync point object.
Definition: nvbuf_utils.h:346
NvBufferColorFormat_NV24_ER
@ NvBufferColorFormat_NV24_ER
BT.601_ER colorspace - Y/CbCr 4:4:4 multi-planar.
Definition: nvbuf_utils.h:244
_NvBufferCompositeParams::src_comp_rect
NvBufferRect src_comp_rect[MAX_COMPOSITE_FRAME]
source rectangle coordinates of input buffers for composition.
Definition: nvbuf_utils.h:518
NvBufferColorFormat_YUV422
@ NvBufferColorFormat_YUV422
BT.601 colorspace - YUV422 multi-planar.
Definition: nvbuf_utils.h:162
NvBufferTransform_FlipX
@ NvBufferTransform_FlipX
Video flip with respect to X-axis.
Definition: nvbuf_utils.h:287
NvBufferColorFormat_YUV420_709
@ NvBufferColorFormat_YUV420_709
BT.709 colorspace - YUV420 multi-planar.
Definition: nvbuf_utils.h:214
NvBufferGetParams
int NvBufferGetParams(int dmabuf_fd, NvBufferParams *params)
Gets buffer parameters.
NvBufferColorFormat_NV16
@ NvBufferColorFormat_NV16
BT.601 colorspace - Y/CbCr 4:2:2 multi-planar.
Definition: nvbuf_utils.h:234
_NvBufferParamsEx::blockheightlog2
uint32_t blockheightlog2[MAX_NUM_PLANES]
block height of the planes for blockLinear layout hardware buffer.
Definition: nvbuf_utils.h:487
NvBufferSyncObj
struct _NvBufferSyncObjRec NvBufferSyncObj
buffer sync point object.
_NvBufferCreateParams::nvbuf_tag
NvBufferTag nvbuf_tag
tag to associate with the buffer.
Definition: nvbuf_utils.h:433
NvBufferColorFormat
NvBufferColorFormat
Defines color formats for NvBuffer.
Definition: nvbuf_utils.h:155
NvBufferMemMapEx
int NvBufferMemMapEx(int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr)
Gets the memory-mapped virtual address of the plane, API to be used for another process.
_NvBufferParamsEx::payloadmetaInfo
void * payloadmetaInfo
metadata associated with the hardware buffer.
Definition: nvbuf_utils.h:493
NvBufferColorFormat_NV16_ER
@ NvBufferColorFormat_NV16_ER
BT.601_ER colorspace - Y/CbCr 4:2:2 multi-planar.
Definition: nvbuf_utils.h:242
_NvBufferCompositeParams::composite_flag
uint32_t composite_flag
flag to indicate which of the composition/blending parameters are valid.
Definition: nvbuf_utils.h:510
NvBufferTag
NvBufferTag
Defines tags that identify the components requesting a memory allocation.
Definition: nvbuf_utils.h:134
NvBufferCompression_Enabled
@ NvBufferCompression_Enabled
GPU compression enabled.
Definition: nvbuf_utils.h:102
NvBufferCreateParams
struct _NvBufferCreateParams NvBufferCreateParams
Holds the input parameters for hardware buffer creation.
_NvBufferSyncObjRec::outsyncobj
NvBufferSyncObjParams outsyncobj
Definition: nvbuf_utils.h:359
NvBufferColorFormat_NV12_10LE_709_ER
@ NvBufferColorFormat_NV12_10LE_709_ER
BT.709_ER colorspace - Y/CbCr 4:2:0 10-bit multi-planar.
Definition: nvbuf_utils.h:202
NvBufferColorFormat_NV12_12LE
@ NvBufferColorFormat_NV12_12LE
BT.601 colorspace - Y/CbCr 4:2:0 12-bit multi-planar.
Definition: nvbuf_utils.h:208
NvBufferColorFormat_NV12_10LE_2020
@ NvBufferColorFormat_NV12_10LE_2020
BT.2020 colorspace - Y/CbCr 4:2:0 10-bit multi-planar.
Definition: nvbuf_utils.h:204
NvBufferColorFormat_NV21_ER
@ NvBufferColorFormat_NV21_ER
BT.601 colorspace - Y/CbCr ER 4:2:0 multi-planar.
Definition: nvbuf_utils.h:174
NvBufferColorFormat_NV21_12LE
@ NvBufferColorFormat_NV21_12LE
BT.601 colorspace - Y/CrCb 4:2:0 12-bit multi-planar.
Definition: nvbuf_utils.h:212
NvBufferRect::left
uint32_t left
rectangle left.
Definition: nvbuf_utils.h:384
NvBufferColorFormat_UYVY
@ NvBufferColorFormat_UYVY
BT.601 colorspace - YUV 4:2:2 planar.
Definition: nvbuf_utils.h:176
_NvBufferParams::payloadType
NvBufferPayloadType payloadType
payload type of the buffer.
Definition: nvbuf_utils.h:446
NvBufferTransformEx
int NvBufferTransformEx(int src_dmabuf_fd, NvBufferParamsEx *input_params, int dst_dmabuf_fd, NvBufferParamsEx *output_params, NvBufferTransformParams *transform_params)
Transforms one DMA buffer to another DMA buffer, API to be used for another process.
_NvBufferTransformParams::transform_filter
NvBufferTransform_Filter transform_filter
transform filter.
Definition: nvbuf_utils.h:538
NvBufferCompositeBackground::r
float r
background color value for r.
Definition: nvbuf_utils.h:369
NvDestroyEGLImage
int NvDestroyEGLImage(EGLDisplay display, EGLImageKHR eglImage)
Destroys an EGLImage object.
NVBUFFER_COMPOSITE
@ NVBUFFER_COMPOSITE
flag to set for composition.
Definition: nvbuf_utils.h:334
NvBufferTag_VIDEO_ENC
@ NvBufferTag_VIDEO_ENC
tag for H264/H265 Video Encoder.
Definition: nvbuf_utils.h:145
NvBufferTransformParams
struct _NvBufferTransformParams NvBufferTransformParams
Holds parameters for buffer transform functions.
_NvBufferTransformParams::transform_flip
NvBufferTransform_Flip transform_flip
flip method.
Definition: nvbuf_utils.h:536
NvBufferColorFormat_BGRA_10_10_10_2_2020
@ NvBufferColorFormat_BGRA_10_10_10_2_2020
Non-linear RGB BT.2020 colorspace - BGRA-10-10-10-2 planar.
Definition: nvbuf_utils.h:268
_NvBufferParams::num_planes
uint32_t num_planes
number of planes of hardware buffer.
Definition: nvbuf_utils.h:454
ExtractFdFromNvBuffer
int ExtractFdFromNvBuffer(void *nvbuf, int *dmabuf_fd)
Extracts the dmabuf_fd from the hardware buffer.
NvBufferColorFormat_ABGR32
@ NvBufferColorFormat_ABGR32
LegacyRGBA colorspace - BGRA-8-8-8-8 planar.
Definition: nvbuf_utils.h:192
_NvBufferCompositeParams
Holds parameters related to compositing/blending.
Definition: nvbuf_utils.h:507
NvBufferColorFormat_A32
@ NvBufferColorFormat_A32
Optical flow SAD calculation Buffer format.
Definition: nvbuf_utils.h:228
_NvBufferTransformParams
Holds parameters for buffer transform functions.
Definition: nvbuf_utils.h:531
NvBufferTransform_Filter_Nicest
@ NvBufferTransform_Filter_Nicest
transform filter nicest.
Definition: nvbuf_utils.h:312
NvBufferColorFormat_NV24_10LE_709
@ NvBufferColorFormat_NV24_10LE_709
BT.709 colorspace - Y/CbCr 10 bit 4:4:4 multi-planar.
Definition: nvbuf_utils.h:254
NvBufferColorFormat_RGBA_10_10_10_2_709
@ NvBufferColorFormat_RGBA_10_10_10_2_709
Non-linear RGB BT.709 colorspace - RGBA-10-10-10-2 planar.
Definition: nvbuf_utils.h:262