can't get camera to open already-saved videos

app.js

    self.pick_success = function (path_to_video) {
        self.video_path(path_to_video);
    };

    self.pick_error = function (msg) {
        navigator.notification.alert(msg);
    };

    self.pick_saved_video = function () {

        if (!self.in_phonegap) {
            throw new Error("Sorry, this is a phonegap-only feature!");
        }

        else {

            navigator.camera.getPicture(
                self.pick_success,
                self.pick_error,
                {   
                    quality: 49,
                    destinationType: navigator.camera.DestinationType.FILE_URI,
                    sourceType: navigator.camera.PictureSourceType.PHOTOLIBRARY,
                    mediaType: navigator.camera.MediaType.VIDEO
                }
            );
        }
    };

config.xml

<?xml version='1.0' encoding='utf-8'?>

<widget

    id="com.giftgram"
    version="0.0.1"
    xmlns="http://www.w3.org/ns/widgets"
    xmlns:gap="http://phonegap.com/ns/1.0"
    xmlns:cdv="http://cordova.apache.org/ns/1.0">

<icon src="icon.png" width="313" height="126" />

<gap:splash src="splash.png" />

<name>GiftGram</name>

<description>
GiftGram lets you record a super-awesome, amazingly-personal video
message that arrives when your gift is delivered to your loved one's
door. It's the next best thing to being there!
</description>

<author email="support@giftgram.com" href="http://giftgram.com">
GiftGram Team
</author>

<content src="index.html" />

<access origin="*" />

<gap:platform name="ios" />
<gap:platform name="android" />

<gap:plugin name="org.apache.cordova.media-capture" />
<gap:plugin name="org.apache.cordova.file-transfer" />
<gap:plugin name="org.apache.cordova.file" />
<gap:plugin name="org.apache.cordova.dialogs" />
<gap:plugin name="org.apache.cordova.camera" />

<gap:plugin name="com.phonegap.plugins.facebookconnect" version="0.4.0">
    <param name="APP_ID" value="268647116662002" />
    <param name="APP_NAME" value="GiftGram" />
</gap:plugin>

<preference name="permissions" value="none" />
<feature name="http://api.phonegap.com/1.0/camera" />
<feature name="http://api.phonegap.com/1.0/file" />

</widget>