[nvJPEG] Integrate nvJPEG decoder (#1288)

* nvjpeg cmake

* add common decoder, nvjpeg decoder and add image name predict api

* ppclas support nvjpeg decoder

* remove useless comments

* image decoder support opencv

* nvjpeg decode fallback to opencv

* fdtensor add nbytes_allocated

* single image decode api

* fix bug

* add pybind

* ignore nvjpeg on jetson

* fix cmake in

* predict on fdmat

* remove image names predict api, add image decoder tutorial

* Update __init__.py

* fix pybind

tutorials/image_decoder/cpp/main.cc

@@ -0,0 +1,57 @@
+#include "fastdeploy/vision/common/image_decoder/image_decoder.h"
+
+namespace fdvis = fastdeploy::vision;
+namespace fd = fastdeploy;
+
+void OpenCVImageDecode(const std::string& img_name) {
+  fdvis::FDMat mat;
+  auto img_decoder = new fdvis::ImageDecoder();
+  img_decoder->Decode(img_name, &mat);
+  mat.PrintInfo("");
+  delete img_decoder;
+}
+
+void NvJpegImageDecode(const std::string& img_name) {
+  std::vector<fdvis::FDMat> mats(1);
+  std::vector<fastdeploy::FDTensor> caches(1);
+
+  cudaStream_t stream;
+  cudaStreamCreate(&stream);
+  // For nvJPEG decoder, we need set stream and output cache for the FDMat
+  for (size_t i = 0; i < mats.size(); i++) {
+    mats[i].output_cache = &caches[i];
+    mats[i].SetStream(stream);
+  }
+  auto img_decoder = new fdvis::ImageDecoder(fdvis::ImageDecoderLib::NVJPEG);
+
+  // This is batch decode API, for single image decode API,
+  // please refer to OpenCVImageDecode()
+  img_decoder->BatchDecode({img_name}, &mats);
+
+  for (size_t i = 0; i < mats.size(); i++) {
+    std::cout << "Mat type: " << mats[i].mat_type << ", "
+              << "DataType=" << mats[i].Type() << ", "
+              << "Channel=" << mats[i].Channels() << ", "
+              << "Height=" << mats[i].Height() << ", "
+              << "Width=" << mats[i].Width() << std::endl;
+  }
+
+  cudaStreamDestroy(stream);
+}
+
+int main(int argc, char* argv[]) {
+  if (argc < 3) {
+    std::cout << "Usage: image_decoder path/to/image run_option, "
+                 "e.g ./image_decoder ./test.jpeg 0"
+              << std::endl;
+    std::cout << "Run_option 0: OpenCV; 1: nvJPEG " << std::endl;
+    return -1;
+  }
+
+  if (std::atoi(argv[2]) == 0) {
+    OpenCVImageDecode(argv[1]);
+  } else if (std::atoi(argv[2]) == 1) {
+    NvJpegImageDecode(argv[1]);
+  }
+  return 0;
+}