Add --keepAllVideos option

If set to true, it will keep all videos in the merge process, rather than discarding the extra videos.

@types/crunchyTypes.d.ts

@@ -42,6 +42,7 @@ export type CurnchyMultiDownload = {
 export type CrunchyMuxOptions = {
   output: string,
   skipSubMux?: boolean
+  keepAllVideos?: bolean
   novids?: boolean,
   mp4: boolean,
   forceMuxer?: 'ffmpeg'|'mkvmerge',

crunchy.ts

@@ -1457,6 +1457,7 @@ export default class Crunchy implements ServiceClass {
         };
       }),
       simul: false,
+      keepAllVideos: options.keepAllVideos,
       fonts: Merger.makeFontsList(this.cfg.dir.fonts, data.filter(a => a.type === 'Subtitle') as sxItem[]),
       videoAndAudio: data.filter(a => a.type === 'Video').map((a) : MergerInput => {
         if (a.type === 'Subtitle')

hidive.ts

@@ -747,6 +747,7 @@ export default class Hidive implements ServiceClass {
       onlyVid: [],
       skipSubMux: options.skipSubMux,
       inverseTrackOrder: true,
+      keepAllVideos: options.keepAllVideos,
       onlyAudio: [],
       output: `${options.output}.${options.mp4 ? 'mp4' : 'mkv'}`,
       subtitles: data.filter(a => a.type === 'Subtitle').map((a) : SubtitleInput => {

modules/module.app-args.ts

@@ -66,6 +66,7 @@ let argvC: {
   dlVideoOnce: boolean; 
   removeBumpers: boolean;
   originalFontSize: boolean;
+  keepAllVideos: boolean;
 };
     
 export type ArgvType = typeof argvC;  

modules/module.args.ts

@@ -407,6 +407,18 @@ const args: TAppArg<boolean|number|string|unknown[]>[] = [
       default: false
     }
   },
+  {
+    name: 'keepAllVideos',
+    group: 'mux',
+    describe: 'Keeps all videos when merging instead of discarding extras',
+    docDescribe: 'If set to true, it will keep all videos in the merge process, rather than discarding the extra videos.',
+    service: ['crunchy','hidive'],
+    type: 'boolean',
+    usage: '',
+    default: {
+      default: false
+    }
+  },
   {
     name: 'skipmux',
     describe: 'Skip muxing video, audio and subtitles',

modules/module.merger.ts

@@ -36,6 +36,7 @@ export type MergerOptions = {
   videoTitle?: string,
   simul?: boolean,
   inverseTrackOrder?: boolean,
+  keepAllVideos?: boolean,
   fonts?: ParsedFont[],
   skipSubMux?: boolean,
   options: {
@@ -163,7 +164,7 @@ class Merger {
     for (const vid of this.options.videoAndAudio) {
       const audioTrackNum = this.options.inverseTrackOrder ? '0' : '1';
       const videoTrackNum = this.options.inverseTrackOrder ? '1' : '0';
-      if (!hasVideo) {
+      if (!hasVideo || this.options.keepAllVideos) {
         args.push(
           `--video-tracks ${videoTrackNum}`,
           `--audio-tracks ${audioTrackNum}`