Install avconv

Topic: github_actions_ci

.github/workflows/ci.yml

@@ -25,6 +25,10 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Install avconv
+        run: |
+          sudo apt-get install -y ffmpeg
+
       - name: Install pip packages from requirements.txt
         run: |
           python -m pip install --upgrade pip
@@ -34,6 +38,10 @@ jobs:
         run: |
           pip install -r dev_requirements.txt
 
+      - name: Test sample clips
+        run: |
+          RIFFUSION_TEST_DEVICE=cpu python -m unittest test.sample_clips_test
+
       - name: Test with unittest
         run: |
           RIFFUSION_TEST_DEVICE=cpu python -m unittest test/*_test.py