changed RUST_LOG to LOGLEVEL

Author: bwsw

Diff for: Cargo.toml

@@ -7,7 +7,7 @@ repository = "https://github.com/insight-platform/FFmpeg-Input"
 readme = "README.md"
 keywords = ["FFmpeg", "Video"]
 categories = ["computer-vision"]
-version = "0.1.20"
+version = "0.1.21"
 edition = "2021"
 license="Apache-2.0"
 rust-version = "1.62"

Diff for: src/lib.rs

@@ -428,7 +428,7 @@ impl FFMpegSource {
 #[pymodule]
 #[pyo3(name = "ffmpeg_input")]
 fn ffmpeg_input(_py: Python, m: &PyModule) -> PyResult<()> {
-    _ = env_logger::try_init().map_err(|e| {
+    _ = env_logger::try_init_from_env("LOGLEVEL").map_err(|e| {
         log::warn!("Unable to initialize logger. Error is: {:?}", e);
     });
     m.add_class::<VideoFrameEnvelope>()?;