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Updating prebuilts and/or headers

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bbc47b37b941764004a38a0b5572b85beb6c46f0 - gst-nvcompositor/gstnvcompositor.c
c3f21bd4363243ad1bca5b1d434b5896402eec14 - gst-nvcompositor/nvbuf_utils.h
6b201b4017e6c36aaf4b06f0359e68918a99cb83 - gst-nvcompositor/gstnvcompositor.h
64a687b23361046fec268bde45a41e2fcce12823 - gst-nvcompositor/Makefile
a86cdef2fe7c358debaeb17cf3ac6bca48083915 - gst-nvcompositor/gstnvcompositorpad.h
0c275d4140ecb406c3632175662a0cf4d969a507 - gst-nvcompositor/3rdpartyheaders.tbz2

Change-Id: I02c8f3ced794c400452d05fc7b45448c2e7fa212
This commit is contained in:
svcmobrel-release
2023-03-28 13:43:55 -07:00
parent 944d016803
commit 42f34a9a5f
9 changed files with 2762 additions and 0 deletions
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Updating prebuilts and/or headers
bbc47b37b941764004a38a0b5572b85beb6c46f0 - gst-nvcompositor/gstnvcompositor.c
c3f21bd4363243ad1bca5b1d434b5896402eec14 - gst-nvcompositor/nvbuf_utils.h
6b201b4017e6c36aaf4b06f0359e68918a99cb83 - gst-nvcompositor/gstnvcompositor.h
64a687b23361046fec268bde45a41e2fcce12823 - gst-nvcompositor/Makefile
a86cdef2fe7c358debaeb17cf3ac6bca48083915 - gst-nvcompositor/gstnvcompositorpad.h
0c275d4140ecb406c3632175662a0cf4d969a507 - gst-nvcompositor/3rdpartyheaders.tbz2

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# Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
SO_NAME := libgstnvcompositor.so
CC := gcc
GST_INSTALL_DIR?=/usr/lib/aarch64-linux-gnu/gstreamer-1.0/
LIB_INSTALL_DIR?=/usr/lib/aarch64-linux-gnu/tegra/
CFLAGS:=
SRCS := $(wildcard *.c)
INCLUDES += -I./
PKGS := gstreamer-1.0 \
gstreamer-base-1.0 \
gstreamer-bad-video-1.0 \
gstreamer-video-1.0 \
gstreamer-allocators-1.0 \
glib-2.0
OBJS := $(SRCS:.c=.o)
CFLAGS += -fPIC \
-DGST_USE_UNSTABLE_API
CFLAGS += `pkg-config --cflags $(PKGS)`
LDFLAGS = -Wl,--no-undefined -L$(LIB_INSTALL_DIR) -Wl,-rpath,$(LIB_INSTALL_DIR)
LIBS += `pkg-config --libs $(PKGS)`
all: $(SO_NAME)
%.o: %.c
$(CC) -c $< $(CFLAGS) $(INCLUDES) -o $@
$(SO_NAME): $(OBJS)
$(CC) -shared -o $(SO_NAME) $(OBJS) $(LIBS) $(LDFLAGS)
.PHONY: install
DEST_DIR?= $(GST_INSTALL_DIR)
install: $(SO_NAME)
cp -vp $(SO_NAME) $(DEST_DIR)
.PHONY: clean
clean:
rm -rf $(OBJS) $(SO_NAME)

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# Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Steps to compile the "gst-nvcompositor" sources natively:
1) Install gstreamer related packages on target using the command:
sudo apt-get install libgstreamer1.0-dev \
gstreamer1.0-plugins-base \
gstreamer1.0-plugins-good \
gstreamer1.0-plugins-bad \
libgstreamer-plugins-base1.0-dev \
libgstreamer-plugins-good1.0-dev \
libgstreamer-plugins-bad1.0-dev
2) Download and extract the package "gst-nvcompositor_src.tbz2" as follows:
tar -I lbzip2 -xvf gst-nvcompositor_src.tbz2
3) Run the following commands to build and install "libgstnvcompositor.so":
cd "gst-nvcompositor"
make
make install
or
DEST_DIR=<dir> make install
Note: "make install" will copy library "libgstnvcompositor.so"
into "/usr/lib/aarch64-linux-gnu/gstreamer-1.0" directory.

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/*
* Copyright (c) 2017-2023, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __GST_NVCOMPOSITOR_H__
#define __GST_NVCOMPOSITOR_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideoaggregator.h>
#include "nvbufsurface.h"
#include "nvbufsurftransform.h"
G_BEGIN_DECLS
#define GST_TYPE_NVCOMPOSITOR (gst_nvcompositor_get_type())
#define GST_NVCOMPOSITOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NVCOMPOSITOR, GstNvCompositor))
#define GST_NVCOMPOSITOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NVCOMPOSITOR, GstNvCompositorClass))
#define GST_IS_NVCOMPOSITOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NVCOMPOSITOR))
#define GST_IS_NVCOMPOSITOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NVCOMPOSITOR))
/* Name of package */
#define PACKAGE "gstreamer-nvcompositor-plugin"
/* Define to the full name of this package. */
#define PACKAGE_NAME "GStreamer NvCompositor Plugin"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "GStreamer NvComositor 1.16.3"
/* Information about the purpose of the plugin. */
#define PACKAGE_DESCRIPTION "Video Compositor"
/* Define to the home page for this package. */
#define PACKAGE_ORIGIN "http://nvidia.com/"
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.16.3"
/* Define under which licence the package has been released */
#define PACKAGE_LICENSE "Proprietary"
#define MAX_INPUT_FRAME 16
#define GST_CAPS_FEATURE_MEMORY_NVMM "memory:NVMM"
typedef struct _GstNvCompositor GstNvCompositor;
typedef struct _GstNvCompositorClass GstNvCompositorClass;
typedef struct _GstNvCompositorBuffer GstNvCompositorBuffer;
typedef struct _GstNvCompositorBgcolor GstNvCompBgcolor;
/* Backgrounds for compositor to blend over */
typedef enum
{
NVCOMPOSITOR_BACKGROUND_BLACK,
NVCOMPOSITOR_BACKGROUND_RED,
NVCOMPOSITOR_BACKGROUND_GREEN,
NVCOMPOSITOR_BACKGROUND_BLUE,
NVCOMPOSITOR_BACKGROUND_WHITE,
} GstNvCompositorBackground;
/**
* GstInterpolationMethods:
*
* Interpolation methods type enum.
*/
typedef enum
{
GST_INTERPOLATION_NEAREST,
GST_INTERPOLATION_BILINEAR,
GST_INTERPOLATION_5_TAP,
GST_INTERPOLATION_10_TAP,
GST_INTERPOLATION_SMART,
GST_INTERPOLATION_NICEST,
} GstInterpolationMethods;
/**
* Nv Compositor Buffer:
*/
struct _GstNvCompositorBuffer
{
gint dmabuf_fd;
GstBuffer *gst_buf;
NvBufSurface *surface;
};
/**
* Background color:
*/
struct _GstNvCompositorBgcolor
{
gfloat r;
gfloat g;
gfloat b;
};
/**
* GstNvCompositor:
*/
struct _GstNvCompositor
{
GstVideoAggregator videoaggregator;
gboolean silent;
gint out_width;
gint out_height;
NvBufSurfaceColorFormat out_pix_fmt;
GstNvCompBgcolor bg;
GstNvCompositorBackground background;
NvBufSurfTransformCompositeBlendParamsEx comp_params;
gboolean nvcomppool;
GstBufferPool *pool;
};
struct _GstNvCompositorClass
{
GstVideoAggregatorClass parent_class;
};
GType gst_nvcompositor_get_type (void);
G_END_DECLS
#endif /* __GST_NVCOMPOSITOR_H__ */

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/*
* Copyright (c) 2017-2022, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __GST_NVCOMPOSITOR_PAD_H__
#define __GST_NVCOMPOSITOR_PAD_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideoaggregator.h>
G_BEGIN_DECLS
#define GST_TYPE_NVCOMPOSITOR_PAD (gst_nvcompositor_pad_get_type())
#define GST_NVCOMPOSITOR_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NVCOMPOSITOR_PAD, GstNvCompositorPad))
#define GST_NVCOMPOSITOR_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NVCOMPOSITOR_PAD, GstNvCompositorPadClass))
#define GST_IS_NVCOMPOSITOR_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NVCOMPOSITOR_PAD))
#define GST_IS_NVCOMPOSITOR_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NVCOMPOSITOR_PAD))
typedef struct _GstNvCompositorPad GstNvCompositorPad;
typedef struct _GstNvCompositorPadClass GstNvCompositorPadClass;
/**
* GstNvCompositorPad:
*/
struct _GstNvCompositorPad
{
GstVideoAggregatorConvertPad parent;
/* nvcompositor pad properties */
gint xpos;
gint ypos;
gint width;
gint height;
gdouble alpha;
gint interpolation_method;
gint input_width;
gint input_height;
GstVideoInfo conversion_info;
NvBufSurfaceColorFormat comppad_pix_fmt;
};
struct _GstNvCompositorPadClass
{
GstVideoAggregatorConvertPadClass parent_class;
};
GType gst_nvcompositor_pad_get_type (void);
G_END_DECLS
#endif /* __GST_NVCOMPOSITOR_PAD_H__ */

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/*
* Copyright (c) 2016-2021, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA Corporation and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA Corporation is strictly prohibited.
*/
/**
* @file
* <b>NVIDIA Multimedia Utilities: Buffering and Transform/Composition/Blending</b>
*
*/
/**
* @defgroup ee_nvbuffering_group Buffer Manager
* @ingroup common_utility_group
* NVIDIA buffering utility library for use by applications.
* The utility also transforms, composits, and blends.
* @{
*/
#ifndef _NVBUF_UTILS_H_
#define _NVBUF_UTILS_H_
#ifdef __cplusplus
extern "C"
{
#endif
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <errno.h>
#include <stdbool.h>
/**
* Defines the maximum number of planes for a video frame.
*/
#define MAX_NUM_PLANES 4
/**
* Defines the maximum number of input video frames that can be used for composition.
*/
#define MAX_COMPOSITE_FRAME 16
/**
* Defines the default values for chroma subsampling.
* The default value matches JPEG/MPEG use cases.
*/
#define NVBUF_CHROMA_SUBSAMPLING_HORIZ_DEFAULT 0
#define NVBUF_CHROMA_SUBSAMPLING_VERT_DEFAULT 1
/**
* Defines the maximum number of sync object parameters.
*/
#define NVBUF_MAX_SYNCOBJ_PARAMS 5
/**
* Use this value to represent an infinite wait interval.
* A value of zero should not be interpreted as infinite,
* it should be interpreted as "time out immediately" and
* simply check whether the event has already happened.
*/
#define NVBUFFER_SYNCPOINT_WAIT_INFINITE 0xFFFFFFFF
/**
* Defines Payload types for NvBuffer.
*/
typedef enum
{
/** buffer payload with hardware memory handle for set of planes. */
NvBufferPayload_SurfArray,
/** buffer payload with hardware memory handle for specific memory size. */
NvBufferPayload_MemHandle,
} NvBufferPayloadType;
/**
* Defines display scan formats for NvBuffer video planes.
*/
typedef enum
{
/** Progessive scan formats. */
NvBufferDisplayScanFormat_Progressive = 0,
/** Interlaced scan formats. */
NvBufferDisplayScanFormat_Interlaced,
} NvBufferDisplayScanFormat;
/**
* Defines Layout formats for NvBuffer video planes.
*/
typedef enum
{
/** Pitch Layout. */
NvBufferLayout_Pitch,
/** BlockLinear Layout. */
NvBufferLayout_BlockLinear,
} NvBufferLayout;
/**
* Defines memory access flags for NvBuffer.
*/
typedef enum
{
/** Memory read. */
NvBufferMem_Read,
/** Memory write. */
NvBufferMem_Write,
/** Memory read & write. */
NvBufferMem_Read_Write,
} NvBufferMemFlags;
/**
* Defines tags that identify the components requesting a memory allocation.
* The tags can be used later to identify the total memory allocated to
* particular types of components.
*/
typedef enum
{
/** tag None. */
NvBufferTag_NONE = 0x0,
/** tag for Camera. */
NvBufferTag_CAMERA = 0x200,
/** tag for Jpeg Encoder/Decoder. */
NvBufferTag_JPEG = 0x1500,
/** tag for VPR Buffers. */
NvBufferTag_PROTECTED = 0x1504,
/** tag for H264/H265 Video Encoder. */
NvBufferTag_VIDEO_ENC = 0x1200,
/** tag for H264/H265/VP9 Video Decoder. */
NvBufferTag_VIDEO_DEC = 0x1400,
/** tag for Video Transform/Composite. */
NvBufferTag_VIDEO_CONVERT = 0xf01,
} NvBufferTag;
/**
* Defines color formats for NvBuffer.
*/
typedef enum
{
/** BT.601 colorspace - YUV420 multi-planar. */
NvBufferColorFormat_YUV420,
/** BT.601 colorspace - YUV420 multi-planar. */
NvBufferColorFormat_YVU420,
/** BT.601 colorspace - YUV422 multi-planar. */
NvBufferColorFormat_YUV422,
/** BT.601 colorspace - YUV420 ER multi-planar. */
NvBufferColorFormat_YUV420_ER,
/** BT.601 colorspace - YVU420 ER multi-planar. */
NvBufferColorFormat_YVU420_ER,
/** BT.601 colorspace - Y/CbCr 4:2:0 multi-planar. */
NvBufferColorFormat_NV12,
/** BT.601 colorspace - Y/CbCr ER 4:2:0 multi-planar. */
NvBufferColorFormat_NV12_ER,
/** BT.601 colorspace - Y/CbCr 4:2:0 multi-planar. */
NvBufferColorFormat_NV21,
/** BT.601 colorspace - Y/CbCr ER 4:2:0 multi-planar. */
NvBufferColorFormat_NV21_ER,
/** BT.601 colorspace - YUV 4:2:2 planar. */
NvBufferColorFormat_UYVY,
/** BT.601 colorspace - YUV ER 4:2:2 planar. */
NvBufferColorFormat_UYVY_ER,
/** BT.601 colorspace - YUV 4:2:2 planar. */
NvBufferColorFormat_VYUY,
/** BT.601 colorspace - YUV ER 4:2:2 planar. */
NvBufferColorFormat_VYUY_ER,
/** BT.601 colorspace - YUV 4:2:2 planar. */
NvBufferColorFormat_YUYV,
/** BT.601 colorspace - YUV ER 4:2:2 planar. */
NvBufferColorFormat_YUYV_ER,
/** BT.601 colorspace - YUV 4:2:2 planar. */
NvBufferColorFormat_YVYU,
/** BT.601 colorspace - YUV ER 4:2:2 planar. */
NvBufferColorFormat_YVYU_ER,
/** LegacyRGBA colorspace - BGRA-8-8-8-8 planar. */
NvBufferColorFormat_ABGR32,
/** LegacyRGBA colorspace - XRGB-8-8-8-8 planar. */
NvBufferColorFormat_XRGB32,
/** LegacyRGBA colorspace - ARGB-8-8-8-8 planar. */
NvBufferColorFormat_ARGB32,
/** BT.601 colorspace - Y/CbCr 4:2:0 10-bit multi-planar. */
NvBufferColorFormat_NV12_10LE,
/** BT.709 colorspace - Y/CbCr 4:2:0 10-bit multi-planar. */
NvBufferColorFormat_NV12_10LE_709,
/** BT.709_ER colorspace - Y/CbCr 4:2:0 10-bit multi-planar. */
NvBufferColorFormat_NV12_10LE_709_ER,
/** BT.2020 colorspace - Y/CbCr 4:2:0 10-bit multi-planar. */
NvBufferColorFormat_NV12_10LE_2020,
/** BT.601 colorspace - Y/CrCb 4:2:0 10-bit multi-planar. */
NvBufferColorFormat_NV21_10LE,
/** BT.601 colorspace - Y/CbCr 4:2:0 12-bit multi-planar. */
NvBufferColorFormat_NV12_12LE,
/** BT.2020 colorspace - Y/CbCr 4:2:0 12-bit multi-planar. */
NvBufferColorFormat_NV12_12LE_2020,
/** BT.601 colorspace - Y/CrCb 4:2:0 12-bit multi-planar. */
NvBufferColorFormat_NV21_12LE,
/** BT.709 colorspace - YUV420 multi-planar. */
NvBufferColorFormat_YUV420_709,
/** BT.709 colorspace - YUV420 ER multi-planar. */
NvBufferColorFormat_YUV420_709_ER,
/** BT.709 colorspace - Y/CbCr 4:2:0 multi-planar. */
NvBufferColorFormat_NV12_709,
/** BT.709 colorspace - Y/CbCr ER 4:2:0 multi-planar. */
NvBufferColorFormat_NV12_709_ER,
/** BT.2020 colorspace - YUV420 multi-planar. */
NvBufferColorFormat_YUV420_2020,
/** BT.2020 colorspace - Y/CbCr 4:2:0 multi-planar. */
NvBufferColorFormat_NV12_2020,
/** BT.601 colorspace - YUV444 multi-planar. */
NvBufferColorFormat_YUV444,
/** Optical flow */
NvBufferColorFormat_SignedR16G16,
/** Optical flow SAD calculation Buffer format */
NvBufferColorFormat_A32,
/** 8-bit grayscale. */
NvBufferColorFormat_GRAY8,
/** BT.601 colorspace - Y/CbCr 4:2:2 multi-planar. */
NvBufferColorFormat_NV16,
/** BT.601 colorspace - Y/CbCr 4:2:2 10-bit semi-planar. */
NvBufferColorFormat_NV16_10LE,
/** BT.601 colorspace - Y/CbCr 4:4:4 multi-planar. */
NvBufferColorFormat_NV24,
/** BT.601 colorspace - Y/CrCb 4:4:4 10-bit multi-planar. */
NvBufferColorFormat_NV24_10LE,
/** BT.601_ER colorspace - Y/CbCr 4:2:2 multi-planar. */
NvBufferColorFormat_NV16_ER,
/** BT.601_ER colorspace - Y/CbCr 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_ER,
/** BT.709 colorspace - Y/CbCr 4:2:2 multi-planar. */
NvBufferColorFormat_NV16_709,
/** BT.709 colorspace - Y/CbCr 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_709,
/** BT.709_ER colorspace - Y/CbCr 4:2:2 multi-planar. */
NvBufferColorFormat_NV16_709_ER,
/** BT.709_ER colorspace - Y/CbCr 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_709_ER,
/** BT.709 colorspace - Y/CbCr 10 bit 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_10LE_709,
/** BT.709 ER colorspace - Y/CbCr 10 bit 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_10LE_709_ER,
/** BT.2020 colorspace - Y/CbCr 10 bit 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_10LE_2020,
/** BT.2020 colorspace - Y/CbCr 12 bit 4:4:4 multi-planar. */
NvBufferColorFormat_NV24_12LE_2020,
/** Non-linear RGB BT.709 colorspace - RGBA-10-10-10-2 planar. */
NvBufferColorFormat_RGBA_10_10_10_2_709,
/** Non-linear RGB BT.2020 colorspace - RGBA-10-10-10-2 planar. */
NvBufferColorFormat_RGBA_10_10_10_2_2020,
/** Non-linear RGB BT.709 colorspace - BGRA-10-10-10-2 planar. */
NvBufferColorFormat_BGRA_10_10_10_2_709,
/** Non-linear RGB BT.2020 colorspace - BGRA-10-10-10-2 planar. */
NvBufferColorFormat_BGRA_10_10_10_2_2020,
/** Invalid color format. */
NvBufferColorFormat_Invalid,
} NvBufferColorFormat;
/**
* Defines video flip methods.
*/
typedef enum
{
/** Video flip none. */
NvBufferTransform_None,
/** Video flip rotate 90 degree counter-clockwise. */
NvBufferTransform_Rotate90,
/** Video flip rotate 180 degree. */
NvBufferTransform_Rotate180,
/** Video flip rotate 270 degree counter-clockwise. */
NvBufferTransform_Rotate270,
/** Video flip with respect to X-axis. */
NvBufferTransform_FlipX,
/** Video flip with respect to Y-axis. */
NvBufferTransform_FlipY,
/** Video flip transpose. */
NvBufferTransform_Transpose,
/** Video flip inverse transpode. */
NvBufferTransform_InvTranspose,
} NvBufferTransform_Flip;
/**
* Defines transform video filter types.
*/
typedef enum
{
/** transform filter nearest. */
NvBufferTransform_Filter_Nearest,
/** transform filter bilinear. */
NvBufferTransform_Filter_Bilinear,
/** transform filter 5 tap. */
NvBufferTransform_Filter_5_Tap,
/** transform filter 10 tap. */
NvBufferTransform_Filter_10_Tap,
/** transform filter smart. */
NvBufferTransform_Filter_Smart,
/** transform filter nicest. */
NvBufferTransform_Filter_Nicest,
} NvBufferTransform_Filter;
/**
* Defines flags to indicate for valid transform.
*/
typedef enum {
/** transform flag to crop source rectangle. */
NVBUFFER_TRANSFORM_CROP_SRC = 1,
/** transform flag to crop destination rectangle. */
NVBUFFER_TRANSFORM_CROP_DST = 1 << 1,
/** transform flag to set filter type. */
NVBUFFER_TRANSFORM_FILTER = 1 << 2,
/** transform flag to set flip method. */
NVBUFFER_TRANSFORM_FLIP = 1 << 3,
} NvBufferTransform_Flag;
/**
* Defines flags that specify valid composition/blending operations.
*/
typedef enum {
/** flag to set for composition. */
NVBUFFER_COMPOSITE = 1,
/** flag to set for blending. */
NVBUFFER_BLEND = 1 << 1,
/** composition flag to set filter type. */
NVBUFFER_COMPOSITE_FILTER = 1 << 2,
} NvBufferComposite_Flag;
/**
* Holds parameters for buffer sync point object.
* sync object params is simply a data structure containing [sync point ID,value] pair.
* This can be used by clients to describe an event that might want to wait for.
*/
typedef struct _NvBufferSyncObjParams
{
uint32_t syncpointID;
uint32_t value;
}NvBufferSyncObjParams;
/**
* buffer sync point object.
*/
typedef struct _NvBufferSyncObjRec
{
NvBufferSyncObjParams insyncobj[NVBUF_MAX_SYNCOBJ_PARAMS];
uint32_t num_insyncobj;
NvBufferSyncObjParams outsyncobj;
uint32_t use_outsyncobj;
}NvBufferSyncObj;
/**
* Holds composition background r,g,b colors.
*/
typedef struct
{
/** background color value for r. */
float r;
/** background color value for g. */
float g;
/** background color value for b. */
float b;
}NvBufferCompositeBackground;
/**
* Holds coordinates for a rectangle.
*/
typedef struct
{
/** rectangle top. */
uint32_t top;
/** rectangle left. */
uint32_t left;
/** rectangle width. */
uint32_t width;
/** rectangle height. */
uint32_t height;
}NvBufferRect;
/**
* Holds an opaque NvBuffer session type required for parallel buffer
* tranformations and compositions. Operations using a single session are
* scheduled sequentially, after the previous operation finishes. Operations for
* multiple sessions are scheduled in parallel.
*/
typedef struct _NvBufferSession * NvBufferSession;
/**
* Holds Chroma Subsampling parameters.
*/
typedef struct _NvBufferChromaSubSamplingParams
{
/** location settings */
uint8_t chromaLocHoriz;
uint8_t chromaLocVert;
}NvBufferChromaSubsamplingParams;
#define NVBUF_CHROMA_SUBSAMPLING_PARAMS_DEFAULT \
{ \
NVBUF_CHROMA_SUBSAMPLING_HORIZ_DEFAULT, \
NVBUF_CHROMA_SUBSAMPLING_VERT_DEFAULT \
}
/**
* Holds the input parameters for hardware buffer creation.
*/
typedef struct _NvBufferCreateParams
{
/** width of the buffer. */
int32_t width;
/** height of the buffer. */
int32_t height;
/** payload type of the buffer. */
NvBufferPayloadType payloadType;
/** size of the memory.(Applicale for NvBufferPayload_MemHandle) */
int32_t memsize;
/** layout of the buffer. */
NvBufferLayout layout;
/** colorformat of the buffer. */
NvBufferColorFormat colorFormat;
/** tag to associate with the buffer. */
NvBufferTag nvbuf_tag;
}NvBufferCreateParams;
/**
* Holds parameters for a hardware buffer.
*/
typedef struct _NvBufferParams
{
/** Holds the DMABUF FD of the hardware buffer. */
uint32_t dmabuf_fd;
/** pointer to hardware buffer memory. */
void *nv_buffer;
/** payload type of the buffer. */
NvBufferPayloadType payloadType;
/** size of the memory.(Applicale for NvBufferPayload_MemHandle) */
int32_t memsize;
/** size of hardware buffer. */
uint32_t nv_buffer_size;
/** video format type of hardware buffer. */
NvBufferColorFormat pixel_format;
/** number of planes of hardware buffer. */
uint32_t num_planes;
/** width of each planes of hardware buffer. */
uint32_t width[MAX_NUM_PLANES];
/** height of each planes of hardware buffer. */
uint32_t height[MAX_NUM_PLANES];
/** pitch of each planes of hardware buffer. */
uint32_t pitch[MAX_NUM_PLANES];
/** memory offset values of each video planes of hardware buffer. */
uint32_t offset[MAX_NUM_PLANES];
/** size of each vodeo planes of hardware buffer. */
uint32_t psize[MAX_NUM_PLANES];
/** layout type of each planes of hardware buffer. */
uint32_t layout[MAX_NUM_PLANES];
}NvBufferParams;
/**
* Holds extended parameters for a hardware buffer.
*/
typedef struct _NvBufferParamsEx
{
/** nvbuffer basic parameters. */
NvBufferParams params;
/** offset in bytes from the start of the buffer to the first valid byte.
(Applicale for NvBufferPayload_MemHandle) */
int32_t startofvaliddata;
/** size of the valid data from the first to the last valid byte.
(Applicale for NvBufferPayload_MemHandle) */
int32_t sizeofvaliddatainbytes;
/** display scan format - progressive/interlaced. */
NvBufferDisplayScanFormat scanformat[MAX_NUM_PLANES];
/** offset of the second field for interlaced buffer. */
uint32_t secondfieldoffset[MAX_NUM_PLANES];
/** block height of the planes for blockLinear layout hardware buffer. */
uint32_t blockheightlog2[MAX_NUM_PLANES];
/** physical address of allocated planes. */
uint32_t physicaladdress[MAX_NUM_PLANES];
/** flags associated with planes */
uint64_t flags[MAX_NUM_PLANES];
/** metadata associated with the hardware buffer. */
void *payloadmetaInfo;
/** chroma subsampling parameters */
NvBufferChromaSubsamplingParams chromaSubsampling;
/** get buffer vpr information. */
bool is_protected;
/** buffer sync point object parameters */
NvBufferSyncObj syncobj;
/** reserved field. */
void *reserved;
}NvBufferParamsEx;
/**
* Holds parameters related to compositing/blending.
*/
typedef struct _NvBufferCompositeParams
{
/** flag to indicate which of the composition/blending parameters are valid. */
uint32_t composite_flag;
/** number of the input buffers to be composited. */
uint32_t input_buf_count;
/** filters to use for composition. */
NvBufferTransform_Filter composite_filter[MAX_COMPOSITE_FRAME];
/** alpha values of input buffers for the blending. */
float dst_comp_rect_alpha[MAX_COMPOSITE_FRAME];
/** source rectangle coordinates of input buffers for composition. */
NvBufferRect src_comp_rect[MAX_COMPOSITE_FRAME];
/** destination rectangle coordinates of input buffers for composition. */
NvBufferRect dst_comp_rect[MAX_COMPOSITE_FRAME];
/** background color values for composition. */
NvBufferCompositeBackground composite_bgcolor;
/** NvBufferSession to be used for composition. If NULL, the default session
* is used. */
NvBufferSession session;
}NvBufferCompositeParams;
/**
* Holds parameters for buffer transform functions.
*/
typedef struct _NvBufferTransformParams
{
/** flag to indicate which of the transform parameters are valid. */
uint32_t transform_flag;
/** flip method. */
NvBufferTransform_Flip transform_flip;
/** transform filter. */
NvBufferTransform_Filter transform_filter;
/** source rectangle coordinates for crop opeartion. */
NvBufferRect src_rect;
/** destination rectangle coordinates for crop opeartion. */
NvBufferRect dst_rect;
/** NvBufferSession to be used for transform. If NULL, the default session
* is used. */
NvBufferSession session;
}NvBufferTransformParams;
/**
* This method can be used to wait on sync point ID.
*
* @param[in] syncobj_params sync point object parameters.
* @param[in] timeout sync point wait timeout value.
*
* @returns 0 for success, -1 for failure
*/
int NvBufferSyncObjWait (NvBufferSyncObjParams *syncobj_params, unsigned int timeout);
/**
* This method can be used to get hardware Buffer struct size.
*
* @returns hardware Buffer struct size.
*/
int NvBufferGetSize (void);
/**
* Creates an instance of EGLImage from a DMABUF FD.
*
* @param[in] display An EGLDisplay object used during the creation
* of the EGLImage. If NULL, nvbuf_utils() uses
* its own instance of EGLDisplay.
* @param[in] dmabuf_fd DMABUF FD of the buffer from which the EGLImage
* is to be created.
*
* @returns `EGLImageKHR` for success, `NULL` for failure
*/
EGLImageKHR NvEGLImageFromFd (EGLDisplay display, int dmabuf_fd);
/**
* Destroys an EGLImage object.
*
* @param[in] display An EGLDisplay object used to destroy the EGLImage.
* If NULL, nvbuf_utils() uses its own instance of
* EGLDisplay.
* @param[in] eglImage The EGLImageKHR object to be destroyed.
*
* @returns 0 for success, -1 for failure
*/
int NvDestroyEGLImage (EGLDisplay display, EGLImageKHR eglImage);
/**
* Allocates a hardware buffer (deprecated).
*
* @deprecated Use NvBufferCreateEx() instead.
* @param[out] dmabuf_fd Returns the DMABUF FD of the hardware buffer.
* @param[in] width Buffer width, in bytes.
* @param[in] height Buffer height, in bytes.
* @param[in] layout Layout of the buffer.
* @param[in] colorFormat Color format of the buffer.
*
* @return 0 if successful, or -1 otherwise.
*/
int NvBufferCreate (int *dmabuf_fd, int width, int height,
NvBufferLayout layout, NvBufferColorFormat colorFormat);
/**
* Allocates a hardware buffer.
*
* @param[out] dmabuf_fd Returns the DMABUF FD of the hardware buffer.
* @param[in] input_params Input parameters for hardware buffer creation.
*
* @returns 0 for success, -1 for failure
*/
int NvBufferCreateEx (int *dmabuf_fd, NvBufferCreateParams *input_params);
/**
* Allocates a hardware buffer for interlace scan format.
*
* @param[out] dmabuf_fd Returns the DMABUF FD of the hardware buffer.
* @param[in] input_params Input parameters for hardware buffer creation.
*
* @returns 0 for success, -1 for failure
*/
int NvBufferCreateInterlace (int *dmabuf_fd, NvBufferCreateParams *input_params);
/**
* Allocates a hardware buffer with a given chroma subsampling location.
*
* @param[in] dmabuf_fd DMABUF FD of the buffer.
* @param[in] input_params Input parameters for hardware buffer creation.
* @param[in] chromaSubsampling Chroma location parameters.
*
* @returns 0 for success, -1 for failure
*/
int NvBufferCreateWithChromaLoc (int *dmabuf_fd, NvBufferCreateParams *input_params, NvBufferChromaSubsamplingParams *chromaSubsampling);
/**
* Gets buffer parameters.
* @param[in] dmabuf_fd `DMABUF FD` of buffer.
* @param[out] params A pointer to the structure to fill with parameters.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferGetParams (int dmabuf_fd, NvBufferParams *params);
/**
* Gets buffer extended parameters.
* @param[in] dmabuf_fd `DMABUF FD` of buffer.
* @param[out] exparams A pointer to the structure to fill with extended parameters.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferGetParamsEx (int dmabuf_fd, NvBufferParamsEx *exparams);
/**
* Destroys a hardware buffer.
* @param[in] dmabuf_fd Specifies the `dmabuf_fd` `hw_buffer` to destroy.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferDestroy (int dmabuf_fd);
/**
* Extracts the `dmabuf_fd` from the hardware buffer.
* @param[in] nvbuf Specifies the `hw_buffer`.
* @param[out] dmabuf_fd Returns DMABUF FD of `hw_buffer`.
*
* @returns 0 for success, -1 for failure.
*/
int ExtractFdFromNvBuffer (void *nvbuf, int *dmabuf_fd);
/**
* Releases the `dmabuf_fd` buffer.
* @see ExtractfdFromNvBuffer()
* @param[in] dmabuf_fd Specifies the `dmabuf_fd` to release.
*
* @returns 0 for success, -1 for failure.
*/
int NvReleaseFd (int dmabuf_fd);
/**
* Syncs the hardware memory cache for the CPU.
*
* \sa NvBufferMemMap for the purpose of the function
*
* @param[in] dmabuf_fd DMABUF FD of buffer.
* @param[in] plane video frame plane.
* @param[in] pVirtAddr Virtual Address pointer of the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemSyncForCpu (int dmabuf_fd, unsigned int plane, void **pVirtAddr);
/**
* Syncs the hardware memory cache for the CPU, API to be used for another process.
*
* \sa NvBufferMemMapEx for the purpose of the function
*
* @param[in] dmabuf_fd DMABUF FD of buffer.
* @param[in] exparams extended parameters for a hardware buffer.
* @param[in] plane video frame plane.
* @param[in] pVirtAddr Virtual Address pointer of the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemSyncForCpuEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr);
/**
* Syncs the hardware memory cache for the device.
*
* \sa NvBufferMemMap for the purpose of the function
*
* @param[in] dmabuf_fd DMABUF FD of buffer.
* @param[in] plane video frame plane.
* @param[in] pVirtAddr Virtual Address pointer of the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemSyncForDevice (int dmabuf_fd, unsigned int plane, void **pVirtAddr);
/**
* Syncs the hardware memory cache for the device, API to be used for another process.
*
* \sa NvBufferMemMapEx for the purpose of the function
*
* @param[in] dmabuf_fd DMABUF FD of buffer.
* @param[in] exparams extended parameters for a hardware buffer.
* @param[in] plane video frame plane.
* @param[in] pVirtAddr Virtual Address pointer of the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemSyncForDeviceEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr);
/**
* Gets the memory-mapped virtual address of the plane.
*
* The client must call NvBufferMemSyncForCpu() with the virtual address returned
* by this function before accessing the mapped memory in CPU.
*
* After memory mapping is complete, mapped memory modification
* must be coordinated between the CPU and hardware device as
* follows:
* - CPU: If the CPU modifies any mapped memory, the client must call
* NvBufferMemSyncForDevice() before any hardware device accesses the memory.
* - Hardware device: If the mapped memory is modified by any hardware device,
* the client must call NvBufferMemSyncForCpu() before CPU accesses the memory.
*
* @param[in] dmabuf_fd DMABUF FD of buffer.
* @param[in] plane video frame plane.(Applies to @ref NvBufferPayload_SurfArray.)
* @param[in] memflag NvBuffer memory flag.
* @param[out] pVirtAddr Virtual Address pointer of the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemMap (int dmabuf_fd, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr);
/**
* Gets the memory-mapped virtual address of the plane, API to be used for another process.
*
* The client must call NvBufferMemSyncForCpuEx() with the virtual address returned
* by this function before accessing the mapped memory in CPU in another process.
*
* After memory mapping is complete, mapped memory modification
* must be coordinated between the CPU and hardware device as
* follows:
* - CPU: If the CPU modifies any mapped memory, the client must call
* NvBufferMemSyncForDeviceEx() before any hardware device accesses the memory.
* - Hardware device: If the mapped memory is modified by any hardware device,
* the client must call NvBufferMemSyncForCpuEx() before CPU accesses the memory.
*
* @param[in] dmabuf_fd DMABUF FD of buffer.
* @param[in] exparams extended parameters for a hardware buffer.
* @param[in] plane video frame plane.(Applies to @ref NvBufferPayload_SurfArray.)
* @param[in] memflag NvBuffer memory flag.
* @param[out] pVirtAddr Virtual Address pointer of the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemMapEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr);
/**
* Unmaps the mapped virtual address of the plane.
*
* If the following conditions are both true, the client must call
* NvBufferMemSyncForDevice() before unmapping the memory:
* - Mapped memory was modified by the CPU.
* - Mapped memory will be accessed by a hardware device.
*
* @param[in] dmabuf_fd DMABUF FD of the buffer.
* @param[in] plane Video frame plane. Applies to
* @ref NvBufferPayload_SurfArray.
* @param[in] pVirtAddr Virtual address pointer to the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemUnMap (int dmabuf_fd, unsigned int plane, void **pVirtAddr);
/**
* Unmaps the mapped virtual address of the plane, API to be used for another process.
*
* If the following conditions are both true, the client must call
* NvBufferMemSyncForDeviceEx() before unmapping the memory in another process:
* - Mapped memory was modified by the CPU.
* - Mapped memory will be accessed by a hardware device.
*
* @param[in] dmabuf_fd DMABUF FD of the buffer.
* @param[in] exparams extended parameters for a hardware buffer.
* @param[in] plane Video frame plane. Applies to
* @ref NvBufferPayload_SurfArray.
* @param[in] pVirtAddr Virtual address pointer to the memory-mapped plane.
*
* @returns 0 for success, -1 for failure.
*/
int NvBufferMemUnMapEx (int dmabuf_fd, NvBufferParamsEx *exparams, unsigned int plane, void **pVirtAddr);
/**
* Copies the NvBuffer plane contents to a raw buffer plane.
* @param[in] dmabuf_fd DMABUF FD of NvBuffer.
* @param[in] plane video frame plane.
* @param[in] out_width aligned width of the raw data plane.
* @param[in] out_height aligned height of the raw data plane.
* @param[in] ptr pointer to the output raw plane data.
*
* @returns 0 for success, -1 for failure.
*/
int NvBuffer2Raw (int dmabuf_fd, unsigned int plane, unsigned int out_width, unsigned int out_height, unsigned char *ptr);
/**
* Copies raw buffer plane contents to an NvBuffer plane.
* @param[in] ptr pointer to the input raw plane data.
* @param[in] plane video frame plane.
* @param[in] in_width aligned width of the raw data plane.
* @param[in] in_height aligned height of the raw data plane.
* @param[in] dmabuf_fd DMABUF FD of NvBuffer.
*
* @returns 0 for success, -1 for failure.
*/
int Raw2NvBuffer (unsigned char *ptr, unsigned int plane, unsigned int in_width, unsigned int in_height, int dmabuf_fd);
/**
* Creates a new NvBufferSession for parallel scheduling of
* buffer transformations and compositions.
*
* @returns A session pointer, NULL for failure.
*/
NvBufferSession NvBufferSessionCreate(void);
/**
* Destroys an existing \ref NvBufferSession.
* @param[in] session An existing NvBufferSession.
*/
void NvBufferSessionDestroy(NvBufferSession session);
/**
* Transforms one DMA buffer to another DMA buffer.
* This function can support transforms for copying, scaling, fliping, rotating, and cropping.
* @param[in] src_dmabuf_fd DMABUF FD of source buffer
* @param[in] dst_dmabuf_fd DMABUF FD of destination buffer
* @param[in] transform_params transform parameters
*
* @return 0 for sucess, -1 for failure.
*/
int NvBufferTransform (int src_dmabuf_fd, int dst_dmabuf_fd, NvBufferTransformParams *transform_params);
/**
* Transforms one DMA buffer to another DMA buffer, API to be used for another process.
* This function can support transforms for copying, scaling, fliping, rotating, and cropping.
* @param[in] src_dmabuf_fd DMABUF FD of source buffer
* @param[in] input_params extended input parameters for a hardware buffer.
* @param[in] dst_dmabuf_fd DMABUF FD of destination buffer
* @param[in] output_params extended output parameters for a hardware buffer.
* @param[in] transform_params transform parameters
*
* @return 0 for sucess, -1 for failure.
*/
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 asyncroniously (non-blocking).
* This function can support transforms for copying, scaling, fliping, rotating, and cropping.
* @param[in] src_dmabuf_fd DMABUF FD of source buffer
* @param[in] dst_dmabuf_fd DMABUF FD of destination buffer
* @param[in] transform_params transform parameters
* @param[in] syncobj nvbuffer sync point object
*
* @return 0 for sucess, -1 for failure.
*/
int NvBufferTransformAsync (int src_dmabuf_fd, int dst_dmabuf_fd, NvBufferTransformParams *transform_params, NvBufferSyncObj *syncobj);
/**
* \brief Composites multiple input DMA buffers to one output DMA buffer.
*
* This function can composite multiple input frames to one output.
*
* @param[in] src_dmabuf_fds An array of DMABUF FDs of source buffers.
* These buffers are composited together. Output
* is copied to the output buffer referenced by
* @a dst_dmabuf_fd.
* @param[in] dst_dmabuf_fd DMABUF FD of the compositing destination buffer.
* @param[in] composite_params Compositing parameters.
*/
int NvBufferComposite (int *src_dmabuf_fds, int dst_dmabuf_fd, NvBufferCompositeParams *composite_params);
#ifdef __cplusplus
}
#endif
/** @} */
#endif

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