diff --git a/ui/src/List/DisplaySelector.tsx b/ui/src/List/DisplaySelector.tsx
new file mode 100644
index 0000000..8d47719
--- /dev/null
+++ b/ui/src/List/DisplaySelector.tsx
@@ -0,0 +1,98 @@
+// This file is part of Moonfire NVR, a security camera network video recorder.
+// Copyright (C) 2021 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
+// SPDX-License-Identifier: GPL-v3.0-or-later WITH GPL-3.0-linking-exception
+
+import Card from "@material-ui/core/Card";
+import Checkbox from "@material-ui/core/Checkbox";
+import InputLabel from "@material-ui/core/InputLabel";
+import FormControl from "@material-ui/core/FormControl";
+import MenuItem from "@material-ui/core/MenuItem";
+import Select from "@material-ui/core/Select";
+import React from "react";
+import { useTheme } from "@material-ui/core/styles";
+import FormControlLabel from "@material-ui/core/FormControlLabel";
+
+interface Props {
+  split90k?: number;
+  setSplit90k: (split90k?: number) => void;
+  trimStartAndEnd: boolean;
+  setTrimStartAndEnd: (trimStartAndEnd: boolean) => void;
+  timestampTrack: boolean;
+  setTimestampTrack: (timestampTrack: boolean) => void;
+}
+
+/**
+ * Returns a card for setting options relating to how videos are displayed.
+ */
+const DisplaySelector = (props: Props) => {
+  const theme = useTheme();
+  return (
+    <Card
+      sx={{
+        padding: theme.spacing(1),
+        display: "flex",
+        flexDirection: "column",
+      }}
+    >
+      {/*<TextField
+        select
+        label="Max video duration"
+        value={split90k}
+        onChange={(e) => setSplit90k(e.target.value)}
+        variant="outlined"
+      >
+        <MenuItem value={60 * 60 * 90000}>1 hour</MenuItem>
+        <MenuItem value={4 * 60 * 60 * 90000}>4 hours</MenuItem>
+        <MenuItem value={24 * 60 * 60 * 90000}>24 hours</MenuItem>
+        <MenuItem value={undefined}>infinite</MenuItem>
+      </TextField>*/}
+      <FormControl fullWidth variant="outlined">
+        <InputLabel id="split90k-label" shrink>
+          Max video duration
+        </InputLabel>
+        <Select
+          labelId="split90k-label"
+          id="split90k"
+          value={props.split90k}
+          onChange={(e) => props.setSplit90k(e.target.value)}
+          displayEmpty
+        >
+          <MenuItem value={60 * 60 * 90000}>1 hour</MenuItem>
+          <MenuItem value={4 * 60 * 60 * 90000}>4 hours</MenuItem>
+          <MenuItem value={24 * 60 * 60 * 90000}>24 hours</MenuItem>
+          <MenuItem value={undefined}>infinite</MenuItem>
+        </Select>
+      </FormControl>
+      <FormControlLabel
+        title="Trim each segment of video so that it is fully
+    contained within the select time range. When this is not selected,
+    all segments will overlap with the selected time range but may start
+    and/or end outside it."
+        control={
+          <Checkbox
+            checked={props.trimStartAndEnd}
+            onChange={(_, checked: boolean) =>
+              props.setTrimStartAndEnd(checked)
+            }
+            name="trim-start-and-end"
+          />
+        }
+        label="Trim start and end"
+      />
+      <FormControlLabel
+        title="Include a text track in each .mp4 with the
+    timestamp at which the video was recorded."
+        control={
+          <Checkbox
+            checked={props.timestampTrack}
+            onChange={(_, checked: boolean) => props.setTimestampTrack(checked)}
+            name="timestamp-track"
+          />
+        }
+        label="Timestamp track"
+      />
+    </Card>
+  );
+};
+
+export default DisplaySelector;
diff --git a/ui/src/List/VideoList.tsx b/ui/src/List/VideoList.tsx
index dc2661f..743485e 100644
--- a/ui/src/List/VideoList.tsx
+++ b/ui/src/List/VideoList.tsx
@@ -15,6 +15,8 @@ import Alert from "@material-ui/core/Alert";
 interface Props {
   stream: Stream;
   range90k: [number, number] | null;
+  split90k?: number;
+  trimStartAndEnd: boolean;
   setActiveRecording: (recording: [Stream, api.Recording] | null) => void;
   formatTime: (time90k: number) => string;
 }
@@ -85,6 +87,8 @@ const Row = ({
 const VideoList = ({
   stream,
   range90k,
+  split90k,
+  trimStartAndEnd,
   setActiveRecording,
   formatTime,
 }: Props) => {
@@ -102,6 +106,7 @@ const VideoList = ({
         stream: stream.streamType,
         startTime90k: range90k[0],
         endTime90k: range90k[1],
+        split90k,
       };
       let response = await api.recordings(req, { signal });
       if (response.status === "success") {
@@ -122,7 +127,7 @@ const VideoList = ({
         clearTimeout(timerId);
       };
     }
-  }, [range90k, snackbars, stream]);
+  }, [range90k, split90k, snackbars, stream]);
 
   if (state === null) {
     return null;
@@ -154,13 +159,19 @@ const VideoList = ({
       const vse = resp.videoSampleEntries[r.videoSampleEntryId];
       const durationSec = (r.endTime90k - r.startTime90k) / 90000;
       const rate = (r.sampleFileBytes / durationSec) * 0.000008;
+      const start = trimStartAndEnd
+        ? Math.max(r.startTime90k, state.range90k[0])
+        : r.startTime90k;
+      const end = trimStartAndEnd
+        ? Math.min(r.endTime90k, state.range90k[1])
+        : r.endTime90k;
       return (
         <Row
           key={r.startId}
           className="recording"
           onClick={() => setActiveRecording([stream, r])}
-          start={formatTime(Math.max(r.startTime90k, state.range90k[0]))}
-          end={formatTime(Math.min(r.endTime90k, state.range90k[1]))}
+          start={formatTime(start)}
+          end={formatTime(end)}
           resolution={`${vse.width}x${vse.height}`}
           fps={frameRateFmt.format(r.videoSamples / durationSec)}
           storage={`${sizeFmt.format(r.sampleFileBytes / 1048576)} MiB`}
diff --git a/ui/src/List/index.tsx b/ui/src/List/index.tsx
index 5bed262..1e6f04f 100644
--- a/ui/src/List/index.tsx
+++ b/ui/src/List/index.tsx
@@ -15,6 +15,7 @@ import TableContainer from "@material-ui/core/TableContainer";
 import Paper from "@material-ui/core/Paper";
 import StreamMultiSelector from "./StreamMultiSelector";
 import TimerangeSelector from "./TimerangeSelector";
+import DisplaySelector from "./DisplaySelector";
 
 const useStyles = makeStyles((theme: Theme) => ({
   root: {
@@ -23,9 +24,11 @@ const useStyles = makeStyles((theme: Theme) => ({
     margin: theme.spacing(2),
   },
   selectors: {
-    marginRight: theme.spacing(2),
-    marginBottom: theme.spacing(2),
     width: "max-content",
+    "& .MuiCard-root": {
+      marginRight: theme.spacing(2),
+      marginBottom: theme.spacing(2),
+    },
   },
   video: {
     objectFit: "contain",
@@ -78,6 +81,11 @@ const Main = ({ cameras, timeZoneName }: Props) => {
   /** Selected time range. */
   const [range90k, setRange90k] = useState<[number, number] | null>(null);
 
+  const [split90k, setSplit90k] = useState<number | undefined>(undefined);
+
+  const [trimStartAndEnd, setTrimStartAndEnd] = useState(true);
+  const [timestampTrack, setTimestampTrack] = useState(true);
+
   const [activeRecording, setActiveRecording] = useState<
     [Stream, api.Recording] | null
   >(null);
@@ -97,6 +105,8 @@ const Main = ({ cameras, timeZoneName }: Props) => {
         key={`${s.camera.uuid}-${s.streamType}`}
         stream={s}
         range90k={range90k}
+        split90k={split90k}
+        trimStartAndEnd={trimStartAndEnd}
         setActiveRecording={setActiveRecording}
         formatTime={formatTime}
       />
@@ -125,6 +135,14 @@ const Main = ({ cameras, timeZoneName }: Props) => {
           setRange90k={setRange90k}
           timeZoneName={timeZoneName}
         />
+        <DisplaySelector
+          split90k={split90k}
+          setSplit90k={setSplit90k}
+          trimStartAndEnd={trimStartAndEnd}
+          setTrimStartAndEnd={setTrimStartAndEnd}
+          timestampTrack={timestampTrack}
+          setTimestampTrack={setTimestampTrack}
+        />
       </div>
       {videoLists.length > 0 && recordingsTable}
       {activeRecording != null && (
@@ -138,7 +156,8 @@ const Main = ({ cameras, timeZoneName }: Props) => {
               activeRecording[0].camera.uuid,
               activeRecording[0].streamType,
               activeRecording[1],
-              range90k!
+              timestampTrack,
+              trimStartAndEnd ? range90k! : undefined
             )}
           />
         </Modal>
diff --git a/ui/src/api.ts b/ui/src/api.ts
index 99cb2ec..204c4d7 100644
--- a/ui/src/api.ts
+++ b/ui/src/api.ts
@@ -315,6 +315,7 @@ export function recordingUrl(
   cameraUuid: string,
   stream: StreamType,
   r: Recording,
+  timestampTrack: boolean,
   trimToRange90k?: [number, number]
 ): string {
   let s = `${r.startId}`;
@@ -340,6 +341,6 @@ export function recordingUrl(
   }
   return withQuery(`/api/cameras/${cameraUuid}/${stream}/view.mp4`, {
     s,
-    ts: true,
+    ts: timestampTrack,
   });
 }