Support distil-whisper (#411)

.github/workflows/export-whisper-to-onnx.yaml

@@ -16,32 +16,49 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest]
-        model: ["tiny.en", "base.en", "small.en", "medium.en", "tiny", "base", "small", "medium", "large", "large-v1", "large-v2"]
+        model: ["distil-medium.en", "tiny.en", "base.en", "small.en", "medium.en", "tiny", "base", "small", "medium", "large", "large-v1", "large-v2"]
+        python-version: ["3.8"]
 
     steps:
       - uses: actions/checkout@v4
 
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
       - name: Install dependencies
         shell: bash
         run: |
-          python3 -m pip install openai-whisper torch onnxruntime onnx
+          python3 -m pip install torch==1.13.0 -f https://download.pytorch.org/whl/cpu/torch_stable.html
+          python3 -m pip install openai-whisper==20230314 onnxruntime onnx
 
       - name: export ${{ matrix.model }}
         shell: bash
         run: |
           cd scripts/whisper
+          model=${{ matrix.model }}
+          echo "model: $model"
+          if [[ $model == distil-medium.en ]]; then
+            wget -q -O distil-medium-en-original-model.bin https://huggingface.co/distil-whisper/distil-medium.en/resolve/main/original-model.bin
+            ls -lh
+          fi
           python3 ./export-onnx.py --model ${{ matrix.model }}
           python3 -m onnxruntime.tools.convert_onnx_models_to_ort --optimization_style=Fixed ./
 
           ls -lh
 
-          ls -lh ~/.cache/whisper
+          if [[ $model != distil-medium.en ]]; then
+            ls -lh ~/.cache/whisper
+          fi
 
       - name: Publish ${{ matrix.model }} to huggingface
         shell: bash
         env:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
         run: |
+          model=${{ matrix.model }}
+
           cd scripts/whisper
 
           git config --global user.email "[email protected]"
@@ -54,6 +71,18 @@ jobs:
           cp *tokens.txt ./huggingface
 
           cd huggingface
+
+          if [[ $model == distil-medium.en ]]; then
+            mkdir test_wavs
+            cd test_wavs
+            wget -q https://huggingface.co/csukuangfj/sherpa-onnx-whisper-medium.en/resolve/main/test_wavs/0.wav
+            wget -q https://huggingface.co/csukuangfj/sherpa-onnx-whisper-medium.en/resolve/main/test_wavs/1.wav
+            wget -q https://huggingface.co/csukuangfj/sherpa-onnx-whisper-medium.en/resolve/main/test_wavs/8k.wav
+            wget -q https://huggingface.co/csukuangfj/sherpa-onnx-whisper-medium.en/resolve/main/test_wavs/trans.txt
+            git add .
+            cd ..
+          fi
+
           git status
           ls -lh
           git lfs track "*.onnx"

scripts/whisper/export-onnx.py

@@ -39,7 +39,9 @@ def get_args():
         choices=[
             "tiny", "tiny.en", "base", "base.en",
             "small", "small.en", "medium", "medium.en",
-            "large", "large-v1", "large-v2"],
+            "large", "large-v1", "large-v2",
+            "distil-medium.en",
+            ],
         # fmt: on
     )
     return parser.parse_args()
@@ -257,10 +259,27 @@ def convert_tokens(name, model):
 def main():
     args = get_args()
     name = args.model
+    print(args)
+    print(name)
 
     opset_version = 13
 
-    model = whisper.load_model(name)
+    if name == "distil-medium.en":
+        filename = "./distil-medium-en-original-model.bin"
+        if not Path(filename):
+            raise ValueError(
+                """
+                Please go to https://huggingface.co/distil-whisper/distil-medium.en
+                to download original-model.bin
+                You can use the following command to do that:
+
+                wget -O distil-medium-en-original-model.bin https://huggingface.co/distil-whisper/distil-medium.en/resolve/main/original-model.bin
+            """
+            )
+        model = whisper.load_model(filename)
+    else:
+        model = whisper.load_model(name)
+
     print(
         f"number of model parameters: {name}",
         sum(p.numel() for p in model.parameters()),