Provide mediaMetadata field in the api response

docs/api.md

@@ -35,14 +35,15 @@ Content-Type: application/json
 | `tiktokH265`      | `boolean` | `true / false`                     | `false`   | changes whether 1080p h265 videos are preferred or not.                         |
 
 ### response body variables
-| key          | type     | variables                                                   |
-|:-------------|:---------|:------------------------------------------------------------|
-| `status`     | `string` | `error / redirect / stream / success / rate-limit / picker` |
-| `text`       | `string` | various text, mostly used for errors                        |
-| `url`        | `string` | direct link to a file or a link to cobalt's live render     |
-| `pickerType` | `string` | `various / images`                                          |
-| `picker`     | `array`  | array of picker items                                       |
-| `audio`      | `string` | direct link to a file or a link to cobalt's live render     |
+| key             | type     | variables                                                   |
+|:----------------|:---------|:------------------------------------------------------------|
+| `status`        | `string` | `error / redirect / stream / success / rate-limit / picker` |
+| `text`          | `string` | various text, mostly used for errors                        |
+| `url`           | `string` | direct link to a file or a link to cobalt's live render     |
+| `pickerType`    | `string` | `various / images`                                          |
+| `picker`        | `array`  | array of picker items                                       |
+| `audio`         | `string` | direct link to a file or a link to cobalt's live render     |
+| `mediaMetadata` | `object` | Supported only on YouTube and Twitter videos. Object, that contains values `duration` (duration of the video in seconds), `likes`, `views`, `title`    |
 
 ### picker item variables
 item type: `object` 

src/modules/processing/matchActionDecider.js

@@ -14,6 +14,7 @@ export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, di
             filename: r.filenameAttributes ?
                     createFilename(r.filenameAttributes, filenamePattern, isAudioOnly, isAudioMuted) : r.filename,
             fileMetadata: !disableMetadata ? r.fileMetadata : false,
+            mediaMetadata: r.mediaMetadata,
             requestIP
         },
         params = {},

src/modules/processing/request.js

@@ -59,13 +59,15 @@ export function createResponse(responseType, responseData) {
 
             case "redirect":
                 response = {
-                    url: responseData.u
+                    url: responseData.u,
+                    mediaMetadata: responseData.mediaMetadata,
                 }
                 break;
 
             case "stream":
                 response = {
-                    url: createStream(responseData)
+                    url: createStream(responseData),
+                    mediaMetadata: responseData.mediaMetadata,
                 }
                 break;
 

src/modules/processing/services/twitter.js

@@ -36,6 +36,17 @@ function bestQuality(arr) {
         .url
 }
 
+function buildMediaMetadata(tweetResult, media){
+    return {
+        duration: Math.round(media.video_info.duration_millis / 1000) || 0,
+        likes: tweetResult.legacy.favorite_count || 0,
+        views: Number(tweetResult.views.count) || 0,
+        title: (tweetResult.legacy && tweetResult.legacy.full_text && Array.isArray(tweetResult.legacy.display_text_range) && tweetResult.legacy.display_text_range[0] !== undefined && tweetResult.legacy.display_text_range[1] !== undefined)
+            ? tweetResult.legacy.full_text.substr(tweetResult.legacy.display_text_range[0], tweetResult.legacy.display_text_range[1] - tweetResult.legacy.display_text_range[0])
+            : undefined
+    }
+}
+
 let _cachedToken;
 const getGuestToken = async (dispatcher, forceReload = false) => {
     if (_cachedToken && !forceReload) {
@@ -164,7 +175,8 @@ export default async function({ id, index, toGif, dispatcher }) {
                 urls: bestQuality(media[0].video_info.variants),
                 filename: `twitter_${id}.mp4`,
                 audioFilename: `twitter_${id}_audio`,
-                isGif: media[0].type === "animated_gif"
+                isGif: media[0].type === "animated_gif",
+                mediaMetadata: buildMediaMetadata(tweetResult, media[0])
             };
         default:
             const picker = media.map((content, i) => {
@@ -184,6 +196,7 @@ export default async function({ id, index, toGif, dispatcher }) {
                     type: 'video',
                     url,
                     thumb: content.media_url_https,
+                    mediaMetadata: buildMediaMetadata(tweetResult, content)
                 }
             });
             return { picker };

src/modules/processing/services/vk.js

@@ -49,6 +49,12 @@ export default async function(o) {
             resolution: `${quality}p`,
             qualityLabel: `${quality}p`,
             extension: "mp4"
+        },
+        mediaMetadata: {
+            duration: js.player.params[0].duration,
+            likes: js.mvData.likes,
+            views: js.videoModalInfoData.views,
+            title: js.mvData.title
         }
     }
     return { error: 'ErrorEmptyDownload' }

src/modules/processing/services/youtube.js

@@ -218,16 +218,26 @@ export default async function(o) {
         urls = [video.decipher(yt.session.player), audio.decipher(yt.session.player)];
     }
 
+    const mediaMetadata = {
+        duration: info.basic_info.duration,
+        likes: info.basic_info.like_count,
+        views: info.basic_info.view_count,
+        title: info.basic_info.title,
+    };
+
     if (match) {
         filenameAttributes.qualityLabel = match.quality_label;
         filenameAttributes.resolution = `${match.width}x${match.height}`;
         filenameAttributes.extension = codecMatch[format].container;
         filenameAttributes.youtubeFormat = format;
+
+
         return {
             type,
             urls,
             filenameAttributes, 
-            fileMetadata
+            fileMetadata,
+            mediaMetadata,
         }
     }