Add C++ support for UVR models (#2269)

.github/scripts/test-offline-source-separation.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+set -ex
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+if [ -z $EXE ]; then
+  EXE=./build/bin/sherpa-onnx-offline-source-separation
+fi
+
+echo "EXE is $EXE"
+echo "PATH: $PATH"
+
+which $EXE
+
+log "------------------------------------------------------------"
+log "Run spleeter"
+log "------------------------------------------------------------"
+curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/source-separation-models/sherpa-onnx-spleeter-2stems-fp16.tar.bz2
+tar xvf sherpa-onnx-spleeter-2stems-fp16.tar.bz2
+rm sherpa-onnx-spleeter-2stems-fp16.tar.bz2
+
+curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/source-separation-models/qi-feng-le-zh.wav
+
+$EXE \
+  --spleeter-vocals=sherpa-onnx-spleeter-2stems-fp16/vocals.fp16.onnx \
+  --spleeter-accompaniment=sherpa-onnx-spleeter-2stems-fp16/accompaniment.fp16.onnx \
+  --num-threads=2 \
+  --debug=1 \
+  --input-wav=./qi-feng-le-zh.wav \
+  --output-vocals-wav=spleeter_output_vocals.wav \
+  --output-accompaniment-wav=spleeter_output_accompaniment.wav
+
+rm -rf sherpa-onnx-spleeter-2stems-fp16
+
+log "------------------------------------------------------------"
+log "Run UVR"
+log "------------------------------------------------------------"
+curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/source-separation-models/UVR-MDX-NET-Voc_FT.onnx
+
+$EXE \
+  --debug=1 \
+  --num-threads=2 \
+  --uvr-model=./UVR-MDX-NET-Voc_FT.onnx \
+  --input-wav=./qi-feng-le-zh.wav \
+  --output-vocals-wav=uvr_output_vocals.wav \
+  --output-accompaniment-wav=uvr_output_non_vocals.wav
+
+rm ./UVR-MDX-NET-Voc_FT.onnx \
+
+mkdir source-separation-wavs
+mv qi-feng-le-zh.wav source-separation-wavs
+mv spleeter_*.wav ./source-separation-wavs
+mv uvr_*.wav ./source-separation-wavs