[HELP] after encoding ass into mp4, but there is no subtitle at all

[Selur]

And why there are both 3 menus in Video and Audio?

No clue, what MediaInfo wants to indicate with that.

Mediainfo output for the laggy output I produced here:

General Count : 331 Count of stream of this kind : 1 Kind of stream : General Kind of stream : General Stream identifier : 0 Count of video streams : 1 Count of audio streams : 1 Count of menu streams : 1 Video_Format_List : AVC Video_Format_WithHint_List : AVC Codecs Video : AVC Video_Language_List : English Audio_Format_List : AAC LC Audio_Format_WithHint_List : AAC LC Audio codecs : AAC LC Audio_Language_List : English Complete name : e:\Output\laggy.mp4 Folder name : e:\Output File name extension : laggy.mp4 File name : laggy File extension : mp4 Format : MPEG-4 Format : MPEG-4 Format/Extensions usually used : braw mov mp4 m4v m4a m4b m4p m4r 3ga 3gpa 3gpp 3gp 3gpp2 3g2 k3g jpm jpx mqv ismv isma ismt f4a f4b f4v Commercial name : MPEG-4 Format profile : JVT Internet media type : video/mp4 Codec ID : avc1 Codec ID : avc1 (isom/avc1) Codec ID/Url : http://www.apple.com/quicktime/download/standalone.html CodecID_Compatible : isom/avc1 File size : 11892229038 File size : 11.1 GiB File size : 11 GiB File size : 11 GiB File size : 11.1 GiB File size : 11.08 GiB Duration : 5807828 Duration : 1 h 36 min Duration : 1 h 36 min 47 s 828 ms Duration : 1 h 36 min Duration : 01:36:47.828 Duration : 01:36:49;05 Duration : 01:36:47.828 (01:36:49;05) Overall bit rate mode : VBR Overall bit rate mode : Variable Overall bit rate : 16380966 Overall bit rate : 16.4 Mb/s Frame rate : 23.976 Frame rate : 23.976 FPS Frame count : 139247 Stream size : 3116223 Stream size : 2.97 MiB (0%) Stream size : 3 MiB Stream size : 3.0 MiB Stream size : 2.97 MiB Stream size : 2.972 MiB Stream size : 2.97 MiB (0%) Proportion of this stream : 0.00026 HeaderSize : 3116129 DataSize : 11889112831 FooterSize : 78 IsStreamable : Yes Encoded date : UTC 2021-07-11 17:00:27 Tagged date : UTC 2021-07-11 17:00:27 File creation date : UTC 2021-07-11 17:02:50.446 File creation date (local) : 2021-07-11 19:02:50.446 File last modification date : UTC 2021-07-11 17:04:30.700 File last modification date (local) : 2021-07-11 19:04:30.700 Writing application : Hybrid 2021.07.11.1 Writing application : Hybrid 2021.07.11.1 Video Count : 378 Count of stream of this kind : 1 Kind of stream : Video Kind of stream : Video Stream identifier : 0 StreamOrder : 0 ID : 1 ID : 1 Format : AVC Format : AVC Format/Info : Advanced Video Codec Format/Url : http://developers.videolan.org/x264.html Commercial name : AVC Format profile : Baseline@L4.1 Format settings : 1 Ref Frames Format settings, CABAC : No Format settings, CABAC : No Format settings, Reference frames : 1 Format settings, Reference frames : 1 frame Internet media type : video/H264 Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 5807760 Duration : 1 h 36 min Duration : 1 h 36 min 47 s 760 ms Duration : 1 h 36 min Duration : 01:36:47.760 Duration : 01:36:49;05 Duration : 01:36:47.760 (01:36:49;05) Bit rate : 16000000 Bit rate : 16.0 Mb/s Maximum bit rate : 68829688 Maximum bit rate : 68.8 Mb/s Width : 1920 Width : 1 920 pixels Height : 1080 Height : 1 080 pixels Stored_Height : 1088 Sampled_Width : 1920 Sampled_Height : 1080 Pixel aspect ratio : 1.000 Display aspect ratio : 1.778 Display aspect ratio : 16:9 Rotation : 0.000 Frame rate mode : CFR Frame rate mode : Constant Frame rate : 23.976 Frame rate : 23.976 (24000/1001) FPS FrameRate_Num : 24000 FrameRate_Den : 1001 Frame count : 139247 Color space : YUV Chroma subsampling : 4:2:0 Chroma subsampling : 4:2:0 Bit depth : 8 Bit depth : 8 bits Scan type : Progressive Scan type : Progressive Bits/(Pixel*Frame) : 0.322 Stream size : 11613341389 Stream size : 10.8 GiB (98%) Stream size : 11 GiB Stream size : 11 GiB Stream size : 10.8 GiB Stream size : 10.82 GiB Stream size : 10.8 GiB (98%) Proportion of this stream : 0.97655 Writing library : x264 - core 161 r3048 b86ae3c Writing library : x264 core 161 r3048 b86ae3c Encoded_Library_Name : x264 Encoded_Library_Version : core 161 r3048 b86ae3c Encoding settings : cabac=0 / ref=1 / deblock=0:0:0 / analyse=0:0 / me=dia / subme=0 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=34 / lookahead_threads=5 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=0 / keyint=250 / keyint_min=23 / scenecut=0 / intra_refresh=0 / rc_lookahead=0 / rc=2pass / mbtree=0 / bitrate=16000 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=62500 / vbv_bufsize=78125 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=0 Language : en Language : English Language : English Language : en Language : eng Language : en Encoded date : UTC 2021-07-11 17:00:27 Tagged date : UTC 2021-07-11 17:02:50 colour_description_present : Yes colour_description_present_Source : Container / Stream Color range : Limited colour_range_Source : Container / Stream colour_primaries_Source : Container / Stream transfer_characteristics_Source : Container / Stream Matrix coefficients : BT.709 matrix_coefficients_Source : Container / Stream Codec configuration box : avcC Audio Count : 280 Count of stream of this kind : 1 Kind of stream : Audio Kind of stream : Audio Stream identifier : 0 StreamOrder : 1 ID : 2 ID : 2 Format : AAC Format : AAC LC Format/Info : Advanced Audio Codec Low Complexity Commercial name : AAC Format_AdditionalFeatures : LC Codec ID : mp4a-40-2 Duration : 5807828 Duration : 1 h 36 min Duration : 1 h 36 min 47 s 828 ms Duration : 1 h 36 min Duration : 01:36:47.828 Duration : 01:36:32:18 Duration : 01:36:47.828 (01:36:32:18) Bit rate mode : VBR Bit rate mode : Variable Bit rate : 384000 Bit rate : 384 kb/s Maximum bit rate : 450416 Maximum bit rate : 450 kb/s Channel(s) : 6 Channel(s) : 6 channels Channel positions : Front: L C R, Side: L R, LFE Channel positions : 3/2/0.1 Channel layout : C L R Ls Rs LFE Samples per frame : 1024 Sampling rate : 48000 Sampling rate : 48.0 kHz Samples count : 278775744 Frame rate : 46.875 Frame rate : 46.875 FPS (1024 SPF) Frame count : 272242 Compression mode : Lossy Compression mode : Lossy Stream size : 275771426 Stream size : 263 MiB (2%) Stream size : 263 MiB Stream size : 263 MiB Stream size : 263 MiB Stream size : 263.0 MiB Stream size : 263 MiB (2%) Proportion of this stream : 0.02319 Title : Surround 5.1 Language : en Language : English Language : English Language : en Language : eng Language : en Encoded date : UTC 2021-07-11 16:26:25 Tagged date : UTC 2021-07-11 17:02:50 Menu Count : 104 Count of stream of this kind : 1 Kind of stream : Menu Kind of stream : Menu Stream identifier : 0 Chapters_Pos_Begin : 94 Chapters_Pos_End : 104 00:00:00.000 : Chapter 01 00:10:51.692 : Chapter 02 00:20:10.375 : Chapter 03 00:30:06.763 : Chapter 04 00:40:01.148 : Chapter 05 00:49:57.786 : Chapter 06 01:00:33.921 : Chapter 07 01:09:45.097 : Chapter 08 01:18:58.108 : Chapter 09 01:28:04.153 : Chapter 10

only shows the menu once.

Cu Selur