add ffmpeg for whisper

apps/llama/configs/config.yaml

@@ -248,6 +248,7 @@ models:
         -m /root/.cache/whisper/ggml-small.bin
         --request-path /v1/audio
         --inference-path /transcriptions
+        --convert
         --threads 6
         --no-gpu
 

apps/llama/deployment.yaml

@@ -31,6 +31,17 @@ spec:
               else
                 echo "whisper-small model already present, skipping download"
               fi
+              if [ ! -f /root/.cache/ffmpeg/ffmpeg ]; then
+                echo "Downloading static ffmpeg..."
+                mkdir -p /root/.cache/ffmpeg
+                curl -L -o /root/.cache/ffmpeg/ffmpeg.tar.gz \
+                  https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.gz
+                tar -xzf /root/.cache/ffmpeg/ffmpeg.tar.gz -C /root/.cache/ffmpeg --wildcards '*/ffmpeg' --strip-components=1
+                rm /root/.cache/ffmpeg/ffmpeg.tar.gz
+                chmod +x /root/.cache/ffmpeg/ffmpeg
+              else
+                echo "ffmpeg already present, skipping download"
+              fi
           volumeMounts:
             - name: models
               mountPath: /root/.cache
@@ -50,6 +61,9 @@ spec:
           volumeMounts:
             - name: models
               mountPath: /root/.cache
+            - name: models
+              mountPath: /usr/local/bin/ffmpeg
+              subPath: ffmpeg/ffmpeg
             - mountPath: /dev/kfd
               name: kfd
             - mountPath: /dev/dri