twitter: add option to convert .mp4 to .gif

src/modules/processing/match.js

@@ -37,7 +37,8 @@ export default async function(host, patternMatch, url, lang, obj) {
             case "twitter":
                 r = await twitter({
                     id: patternMatch.id,
-                    index: patternMatch.index - 1
+                    index: patternMatch.index - 1,
+                    toGif: obj.twitterGif
                 });
                 break;
             case "vk":
@@ -166,7 +167,11 @@ export default async function(host, patternMatch, url, lang, obj) {
                     : loc(lang, r.error)
             })
 
-        return matchActionDecider(r, host, obj.aFormat, isAudioOnly, lang, isAudioMuted, disableMetadata, obj.filenamePattern)
+        return matchActionDecider(
+            r, host, obj.aFormat, isAudioOnly,
+            lang, isAudioMuted, disableMetadata,
+            obj.filenamePattern, obj.twitterGif
+        )
     } catch (e) {
         return apiJSON(0, { t: genericError(lang, host) })
     }

src/modules/processing/matchActionDecider.js

@@ -3,7 +3,7 @@ import { apiJSON } from "../sub/utils.js";
 import loc from "../../localization/manager.js";
 import createFilename from "./createFilename.js";
 
-export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, disableMetadata, filenamePattern) {
+export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, disableMetadata, filenamePattern, toGif) {
     let action,
         responseType = 2,
         defaultParams = {
@@ -14,13 +14,14 @@ export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, di
             fileMetadata: !disableMetadata ? r.fileMetadata : false
         },
         params = {},
-        audioFormat = String(userFormat)
+        audioFormat = String(userFormat);
 
     if (r.isPhoto) action = "photo";
     else if (r.picker) action = "picker"
     else if (isAudioMuted) action = "muteVideo";
     else if (isAudioOnly) action = "audio";
     else if (r.isM3U8) action = "singleM3U8";
+    else if (r.isGif && toGif) action = "gif";
     else action = "video";
 
     if (action === "picker" || action === "audio") {
@@ -39,6 +40,10 @@ export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, di
         case "photo":
             responseType = 1;
             break;
+        
+        case "gif":
+            params = { type: "gif" }
+            break;
 
         case "singleM3U8":
             params = { type: "remux" }

src/modules/processing/services/twitter.js

@@ -72,7 +72,7 @@ const requestTweet = (tweetId, token) => {
     })
 }
 
-export default async function({ id, index }) {
+export default async function({ id, index, toGif }) {
     let guestToken = await getGuestToken();
     if (!guestToken) return { error: 'ErrorCouldntFetch' };
 
@@ -110,7 +110,8 @@ export default async function({ id, index }) {
                 type: needsFixing(media[0]) ? "remux" : "normal",
                 urls: bestQuality(media[0].video_info.variants),
                 filename: `twitter_${id}.mp4`,
-                audioFilename: `twitter_${id}_audio`
+                audioFilename: `twitter_${id}_audio`,
+                isGif: media[0].type === "animated_gif"
             };
         default:
             const picker = media.map((video, i) => {
@@ -120,7 +121,9 @@ export default async function({ id, index }) {
                         service: 'twitter',
                         type: 'remux',
                         u: url,
-                        filename: `twitter_${id}_${i + 1}.mp4`
+                        filename: `twitter_${id}_${i + 1}.mp4`,
+                        isGif: media[0].type === "animated_gif",
+                        toGif: toGif ?? false
                     })
                 }
                 return {