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Updating prebuilts and/or headers

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f033de710a45790f16c7a2c1b693a1950187d084 - opencv-sample-apps/README
78f8540a5b70d8f6f33af45dce451967e058c457 - opencv-sample-apps/opencv_camera/Makefile
db64c69a108016f4caa0562a86a9316933453ae6 - opencv-sample-apps/opencv_camera/opencv_gst_camera.cpp
b04f70bbeeeb21aaedc10c2c3560b643bc005ea9 - opencv-sample-apps/opencv_encoder/Makefile
afd48b88d80c0e8dd65329a0a0192ef0a3c83e7f - opencv-sample-apps/opencv_encoder/opencv_gst_encoder.cpp
c15cb929e1a9a8fb03830c5ece6b68ea773ce687 - opencv-sample-apps/opencv_decoder/Makefile
ebb52673c89af5c951ca7e62d7fa49f1700b18a6 - opencv-sample-apps/opencv_decoder/opencv_gst_decoder.cpp

Change-Id: Ic539645554b25709ffb8960ad5202d774112d534
This commit is contained in:
svcmobrel-release
2024-09-27 12:48:57 -07:00
parent a1994a5a46
commit 4bf866bca8
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51
opencv-sample-apps/opencv_decoder/Makefile Normal file
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###############################################################################
#
# Copyright (c) 2019, 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:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of NVIDIA CORPORATION 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 ``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 OWNER 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.
#
###############################################################################
include ../Rules.mk
APP := opencv_nvgstdec
SRCS := \
opencv_gst_decoder.cpp
OBJS := $(SRCS:.cpp=.o)
all: $(APP)
%.o: %.cpp
@echo "Compiling: $<"
$(CPP) $(CPPFLAGS) -c $<
$(APP): $(OBJS)
@echo "Linking: $@"
$(CPP) -o $@ $(OBJS) $(CPPFLAGS) $(LDFLAGS)
clean:
$(AT)rm -rf $(APP) $(OBJS)

197
opencv-sample-apps/opencv_decoder/opencv_gst_decoder.cpp Normal file
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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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of NVIDIA CORPORATION 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 ``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 OWNER 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.
*/
#include <iostream>
#include <string>
#include <sstream>
#include <pthread.h>
#include <queue>
#include <opencv2/core/core.hpp>
#include <opencv2/videoio/videoio.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
void * display_thread(void *);
bool capture_complete = false;
pthread_mutex_t lock;
pthread_t displayThread;
std::queue<cv::Mat> frame_queue;
static void help()
{
std::cout << "\nThis is a sample OpenCV application to demonstrate the "
"usage of NVIDIA accelerated GStreamer to decode an mp4 H264 container "
"file for VideoCapture\n\n"
"./opencv_nvgstdec --file-path=<file_name>\n\n"
"OPTIONS:\n"
"\t-h,--help Prints this message.\n"
"\t--file-path Absolute path of file.\n"
"\t--show-fps[=true] Option to display framerate from VideoCapture.\n\n"
<< std::endl;
}
static std::string create_capture(std::string filename)
{
std::stringstream pipeline;
pipeline << "filesrc location= "
<< filename << " ! qtdemux ! h264parse ! nvv4l2decoder ! nvvidconv ! "
"video/x-raw, format=(string)I420 ! appsink drop=true sync=false ";
return pipeline.str();
}
void * display_thread(void *)
{
if (capture_complete)
{
std::cout << "End of stream" << std::endl;
return NULL;
}
while (true)
{
cv::Mat display_frame;
if (frame_queue.empty() && capture_complete)
{
break;
}
pthread_mutex_lock(&lock);
if (!frame_queue.empty())
{
display_frame = frame_queue.front();
frame_queue.pop();
}
pthread_mutex_unlock(&lock);
if (!display_frame.empty())
{
cv::imshow("Display Window", display_frame);
cv::waitKey(1);
}
}
return NULL;
}
int main(int argc, char *argv[])
{
int count = 0;
int return_val = 0;
bool fps_display;
double fps_captured;
std::string filename;
cv::VideoCapture capture;
cv::TickMeter tick_in_loop;
cv::Mat frame;
pthread_mutex_init(&lock, NULL);
cv::CommandLineParser parser(argc, argv,
"{help h||}"
"{file-path||}"
"{show-fps||}"
);
if (parser.has("help"))
{
help();
goto cleanup;
}
filename = parser.get<std::string>("file-path");
fps_display = parser.has("show-fps");
if (!parser.check())
{
parser.printErrors();
return_val = -1;
goto cleanup;
}
if(filename.empty())
{
std::cout << "ERROR: Input file is required" << std::endl;
help ();
return_val = -1;
goto cleanup;
}
capture.open(create_capture(filename), cv::CAP_GSTREAMER);
if (!capture.isOpened())
{
std::cerr << "Failed to open VideoCapture" << std::endl;
return_val = -4;
goto cleanup;
}
pthread_create(&displayThread, NULL, display_thread, NULL);
while (true)
{
tick_in_loop.start();
capture.read(frame);
if (frame.empty())
{
break;
}
cv::Mat bgr;
cv::cvtColor(frame, bgr, cv::COLOR_YUV2BGR_I420);
pthread_mutex_lock(&lock);
frame_queue.push(bgr);
pthread_mutex_unlock (&lock);
count++;
tick_in_loop.stop();
}
capture_complete = true;
pthread_join(displayThread, NULL);
fps_captured = capture.get(cv::CAP_PROP_FPS);
std::cout << "Display FPS "<< fps_captured << std::endl;
if (tick_in_loop.getCounter() == 0)
{
std::cerr << "No frames processed" << std::endl;
return_val = -10;
goto cleanup;
}
if (fps_display)
{
double fps_calculated = tick_in_loop.getCounter() / tick_in_loop.getTimeSec();
std::cout << "Captured Fps : " << fps_calculated << std::endl;
}
cleanup:
capture.release();
pthread_mutex_destroy(&lock);
return return_val;
}