example.json

    {
        "_id": "c-05",
        "_parentId": "b-05",
        "_type": "component",
        "_component": "mediagallery",
        "_classes": "",
        "_layout": "full",
        "title": "Media Gallery",
        "displayTitle": "Media Gallery",
        "body": "Body text",
        "instruction": "Select the play button to start the video.",
        "_comment": "_setCompletionOn = inview | play | allPlayed | ended | allEnded",
        "_setCompletionOn": "allPlayed",
        "_useClosedCaptions": true,
        "_allowFullScreen": true,
        "_playsinline": false,
        "_startLanguage": "en",
        "_showVolumeControl": true,
        "_startVolume": "80%",
        "_items": [
            {
                "title": "Video 1",
                "subtitle": "Subtitle",
                "ariaLabel": "Select this to hear from Speaker 1",
                "_graphic": {
                    "src": "course/en/video/video1_thumb.png"
                },
                "_media": {
                    "mp4": "course/en/video/placeholder.mp4",
                    "poster": "course/en/video/placeholder.jpg",
                    "cc": [
                        {
                            "srclang": "en",
                            "src": "course/en/video/placeholder.vtt"
                        }
                    ]
                },
                "_transcript": {
                    "_comment": "_inlineTranscript = Enable item transcript",
                    "_inlineTranscript": true
                }
            },
            {
                "title": "Video 2",
                "subtitle": "Subtitle",
                "ariaLabel": "Select this to hear from Speaker 2",
                "_graphic": {
                    "src": "course/en/video/video2_thumb.png"
                },
                "_media": {
                    "mp4": "course/en/video/placeholder.mp4",
                    "poster": "course/en/video/placeholder.png",
                    "cc": [
                        {
                            "srclang": "en",
                            "src": "course/en/video/placeholder.vtt"
                        }
                    ]
                },
                "_transcript": {
                    "_comment": "_inlineTranscript = Enable item transcript with overrides",
                    "_inlineTranscript": true,
                    "inlineTranscriptBody": "Transcript for video 2"
                }

            }
        ],
        "_comment": "_transcript = Global transcript",
        "_transcript": {
            "_setCompletionOnView": true,
            "_inlineTranscript": true,
            "_externalTranscript": false,
            "inlineTranscriptButton": "Show transcript",
            "inlineTranscriptCloseButton": "Hide transcript",
            "inlineTranscriptBody": "Transcript body text should go here",
            "transcriptLinkButton": "Transcript",
            "transcriptLink": "assets/transcript.pdf"
        },
        "_playerOptions": {
            "toggleCaptionsButtonWhenOnlyOne": true
        }
    }

    // For additional player options please refer to the media components example json
    // https://github.com/adaptlearning/adapt-contrib-media/blob/master/example.json