diff --git a/orb_stream_worker/server.js b/orb_stream_worker/server.js
index c538a52..5850ea2 100644
--- a/orb_stream_worker/server.js
+++ b/orb_stream_worker/server.js
@@ -563,22 +563,22 @@ const server = http.createServer(async (request, response) => {
       const action = String(body.action || "").trim();
 
       if (action === "pause") {
-        if (!canPauseCommand(session.ffmpegCommand)) {
-          throw new Error("Pause is not available because FFmpeg is not active");
+        if (session.playbackState !== "playing") {
+          throw new Error("Pause is not available because session is not playing");
         }
-        session.positionSeconds = sessionPlaybackPosition(session);
-        session.startedAtSeconds = 0;
-        session.ffmpegCommand.ffmpegProc.kill("SIGSTOP");
+        const pausedPos = sessionPlaybackPosition(session);
+        await stopSessionPlayback(session, false);
+        session.positionSeconds = pausedPos;
         session.playbackState = "paused";
         session.workerStatus = "connected";
       } else if (action === "resume") {
-        if (!canPauseCommand(session.ffmpegCommand)) {
-          throw new Error("Resume is not available because FFmpeg is not active");
+        if (session.playbackState !== "paused") {
+          throw new Error("Resume is not available because session is not paused");
         }
-        session.startedAtSeconds = nowSeconds();
-        session.ffmpegCommand.ffmpegProc.kill("SIGCONT");
-        session.playbackState = "playing";
-        session.workerStatus = "streaming";
+        if (!session.playback) {
+          throw new Error("Cannot resume because no playback metadata exists");
+        }
+        await startPlayback(session, session.playback, session.positionSeconds);
       } else if (action === "stop" || action === "skip") {
         await stopSessionPlayback(session, true);
       } else if (action === "seek") {