Add nest opr (#55)

* feat(flow-rs): add opr

* improvement(flow-plugin): use ffmpeg rev

* fix(workflows): update build env

Co-authored-by: MegEngine <megengine@megvii.com>

.github/workflows/macos-x86-cpu.yml

@@ -24,11 +24,12 @@ jobs:
         with:
           python-version: '3.8'
           architecture: 'x64'
-      - run: cd $HOME && git clone https://github.com/tpoisonooo/rust-ffmpeg && cd rust-ffmpeg && git checkout dylib && cargo build
-      - run: cat ${HOME}/megflow_ffmpeg_dynamic_link.sh
-      - run: ls -alh `cat ${HOME}/megflow_ffmpeg_dynamic_link.sh | head -n 1`/lib/
+      - run: cd $HOME && git clone https://github.com/tpoisonooo/rust-ffmpeg && cd rust-ffmpeg && cargo build --release
+      - run: cat /tmp/megflow_ffmpeg_dynamic_link.sh
+      - run: ls -alh `cat /tmp/megflow_ffmpeg_dynamic_link.sh | head -n 1`/lib/
       - run: echo 'export FFMPEG_DIR=`cat ${HOME}/megflow_ffmpeg_dynamic_link.sh | head -n 1`' >> $HOME/myenv
       - run: echo 'export CARGO_FEATURE_PREBUILD="PREBUILD"' >> $HOME/myenv
+      - run: echo 'export CARGO_FEATURE_DYNAMIC="DYNAMIC"' >> $HOME/myenv
       - run: echo 'export LD_LIBRARY_PATH=${FFMPEG_DIR}/lib:${LD_LIBRARY_PATH}' >> $HOME/myenv
       - run: echo 'export PKG_CONFIG_PATH=${FFMPEG_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH}' >> $HOME/myenv
       - run: chmod +x $HOME/myenv

.github/workflows/ubuntu-x86-cpu.yml

@@ -21,9 +21,10 @@ jobs:
       - run: sudo apt install -y libssl-dev
       - run: sudo apt update && sudo apt-get install -y pkg-config --fix-missing
       - run: sudo apt install -y libv4l-dev liblzma-dev
-      - run: cd $HOME && git clone https://github.com/tpoisonooo/rust-ffmpeg && cd rust-ffmpeg && git checkout dylib && cargo build
-      - run: echo 'export FFMPEG_DIR=`cat ${HOME}/megflow_ffmpeg_dynamic_link.sh | head -n 1`' >> $HOME/myenv
+      - run: cd $HOME && git clone https://github.com/tpoisonooo/rust-ffmpeg && cd rust-ffmpeg && cargo build --release
+      - run: echo 'export FFMPEG_DIR=`cat /tmp/megflow_ffmpeg_dynamic_link.sh | head -n 1`' >> $HOME/myenv
       - run: echo 'export CARGO_FEATURE_PREBUILD="PREBUILD"' >> $HOME/myenv
+      - run: echo 'export CARGO_FEATURE_DYNAMIC="DYNAMIC"' >> $HOME/myenv
       - run: echo 'export LD_LIBRARY_PATH=${FFMPEG_DIR}/lib:${LD_LIBRARY_PATH}' >> $HOME/myenv
       - run: echo 'export PKG_CONFIG_PATH=${FFMPEG_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH}' >> $HOME/myenv
       - run: chmod +x $HOME/myenv

ACKNOWLEDGEMENTS

@@ -0,0 +1,50 @@
+MegFlow application refers:
+* [MegEngine](https://github.com/megengine/megengine)
+* [Models](https://github.com/megengine/models)
+* [onnx](https://github.com/onnx/onnx)
+* [YOLOX](https://github.com/Megvii-BaseDetection/YOLOX)
+* [AlignedReID](https://github.com/huanghoujing/AlignedReID-Re-Production-Pytorch)
+* [MEMD](https://github.com/megvii-research/MEMD)
+
+MegFlow visualization refers:
+* [flv.js](http://bilibili.github.io/flv.js/demo/)
+
+MegFlow Python：
+* [OpenCV](https://github.com/opencv/opencv)
+* [numpy](https://github.com/numpy/numpy)
+* [loguru](https://pypi.org/project/loguru/)
+* [scipy](https://github.com/scipy/scipy)
+* [redis](https://github.com/redis/redis)
+
+MegFlow Rust refers:
+* [anyhow](https://github.com/dtolnay/anyhow)
+* [async-std](https://github.com/async-rs/async-std)
+* [async-channel](https://github.com/smol-rs/async-channel)
+* [clap](https://github.com/clap-rs/clap)
+* [concurrent-queue](https://github.com/stjepang/concurrent-queue)
+* [ctrlc](https://github.com/Detegr/rust-ctrlc.git)
+* [ctor](https://github.com/mmastrac/rust-ctor)
+* [dyn-clone](https://github.com/dtolnay/dyn-clone)
+* [event-listener](https://github.com/stjepang/event-listener)
+* [ffmpeg-next](https://github.com/zmwangx/rust-ffmpeg)
+* [hyper](https://github.com/bluss/hyper)
+* [headers](https://github.com/bluss/headers)
+* [image](https://github.com/image-rs/image)
+* [indexmap](https://github.com/bluss/indexmap)
+* [lazy-static](https://github.com/rust-lang-nursery/lazy-static.rs)
+* [mime](https://github.com/hyperium/mime)
+* [numpy](https://github.com/rust-numpy/rust-numpy)
+* [oneshot](https://github.com/faern/oneshot)
+* [proc-macro2](https://github.com/dtolnay/proc-macro2)
+* [pretty-env-logger](https://github.com/seanmonstar/pretty-env-logger)
+* [pyo3](https://github.com/pyo3/pyo3)
+* [quote](https://github.com/dtolnay/quote)
+* [rand](https://github.com/rust-random/rand)
+* [rweb](https://github.com/kdy1/rweb)
+* [serde](https://github.com/serde-rs/serde)
+* [serde_json](https://github.com/serde-rs/json)
+* [stackful](https://github.com/nbdd0121/stackful)
+* [syn](https://github.com/dtolnay/syn)
+* [toml](https://github.com/alexcrichton/toml-rs)
+* [urlencoding](https://github.com/kornelski/urlencoding)
+* [warp](https://github.com/seanmonstar/warp)