Add C++ runtime for speech enhancement GTCRN models (#1977)

See also https://github.com/Xiaobin-Rong/gtcrn

.github/workflows/linux.yaml

@@ -10,6 +10,7 @@ on:
       - '.github/workflows/linux.yaml'
       - '.github/scripts/test-kws.sh'
       - '.github/scripts/test-online-transducer.sh'
+      - '.github/scripts/test-offline-speech-denoiser.sh'
       - '.github/scripts/test-online-paraformer.sh'
       - '.github/scripts/test-offline-transducer.sh'
       - '.github/scripts/test-offline-ctc.sh'
@@ -31,6 +32,7 @@ on:
     paths:
       - '.github/workflows/linux.yaml'
       - '.github/scripts/test-kws.sh'
+      - '.github/scripts/test-offline-speech-denoiser.sh'
       - '.github/scripts/test-online-transducer.sh'
       - '.github/scripts/test-online-paraformer.sh'
       - '.github/scripts/test-offline-transducer.sh'
@@ -203,6 +205,15 @@ jobs:
           overwrite: true
           file: sherpa-onnx-*.tar.bz2
 
+      - name: Test offline speech denoiser
+        shell: bash
+        run: |
+          du -h -d1 .
+          export PATH=$PWD/build/bin:$PATH
+          export EXE=sherpa-onnx-offline-denoiser
+
+          .github/scripts/test-offline-speech-denoiser.sh
+
       - name: Test offline TTS
         if: matrix.with_tts == 'ON'
         shell: bash
@@ -214,6 +225,11 @@ jobs:
           .github/scripts/test-offline-tts.sh
           du -h -d1 .
 
+      - uses: actions/upload-artifact@v4
+        with:
+          name: speech-denoiser-${{ matrix.build_type }}-with-shared-lib-${{ matrix.shared_lib }}-with-tts-${{ matrix.with_tts }}
+          path: ./*speech*.wav
+
       - uses: actions/upload-artifact@v4
         if: matrix.with_tts == 'ON'
         with: