[ci] install rubberband on azure linux

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f6071ac..e5abd46 100644 (file)
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -6,7 +6,7 @@ jobs:
     vmImage: 'ubuntu-latest'
   steps:
   - script: |
-      sudo apt install libavformat-dev
+      sudo apt install libavformat-dev librubberband-dev
     displayName: 'deps'
   - script: |
       make