[Bug]: Can't transcode M4B file from 126kbps to 64kbps #2833

Closed
opened 2026-04-25 00:11:05 +02:00 by adam · 7 comments
Owner

Originally created by @anakinsleftleg on GitHub (Jun 10, 2025).

What happened?

I have a single M4B file that is AAC, 126kbps, stereo. After editing metadata, I want to write the metadata to file and also transcode it to 64kbps. When I do that and set the settings either using the presets or manually in advanced, it goes through the whole transcoding but the resulting file has the same bitrate as it started.

What did you expect to happen?

The final output file to have a bitrate of 64kbps

Steps to reproduce the issue

  1. With single M4B file at 126kbps, go to M4B Encoder tool, select preset or manually enter 64kbps, and click run.

Audiobookshelf version

2.23.0

How are you running audiobookshelf?

Docker

What OS is your Audiobookshelf server hosted from?

Windows

If the issue is being seen in the UI, what browsers are you seeing the problem on?

None

Logs

2025-06-09 20:46:50.657

INFO

[ToolsController] encodeM4b: Starting audiobook merge for "The Ideal Team Player" with options: {"codec":"aac","bitrate":"64k","channels":"1"}

Additional Notes

It's been a while since I last did a big batch of importing and editing, but I feel like setting the bitrate actually resulted in the proper bitrate output instead of no change.

Originally created by @anakinsleftleg on GitHub (Jun 10, 2025). ### What happened? I have a single M4B file that is AAC, 126kbps, stereo. After editing metadata, I want to write the metadata to file and also transcode it to 64kbps. When I do that and set the settings either using the presets or manually in advanced, it goes through the whole transcoding but the resulting file has the same bitrate as it started. ### What did you expect to happen? The final output file to have a bitrate of 64kbps ### Steps to reproduce the issue 1. With single M4B file at 126kbps, go to M4B Encoder tool, select preset or manually enter 64kbps, and click run. ### Audiobookshelf version 2.23.0 ### How are you running audiobookshelf? Docker ### What OS is your Audiobookshelf server hosted from? Windows ### If the issue is being seen in the UI, what browsers are you seeing the problem on? None ### Logs ```shell 2025-06-09 20:46:50.657 INFO [ToolsController] encodeM4b: Starting audiobook merge for "The Ideal Team Player" with options: {"codec":"aac","bitrate":"64k","channels":"1"} ``` ### Additional Notes It's been a while since I last did a big batch of importing and editing, but I feel like setting the bitrate actually resulted in the proper bitrate output instead of no change.
adam added the bug label 2026-04-25 00:11:05 +02:00
adam closed this issue 2026-04-25 00:11:05 +02:00
Author
Owner

@advplyr commented on GitHub (Jun 10, 2025):

This is already fixed from https://github.com/advplyr/audiobookshelf/pull/4361 and will be in the next release

@advplyr commented on GitHub (Jun 10, 2025): This is already fixed from https://github.com/advplyr/audiobookshelf/pull/4361 and will be in the next release
Author
Owner

@anakinsleftleg commented on GitHub (Jun 10, 2025):

Excellent, Thank you so much!

@anakinsleftleg commented on GitHub (Jun 10, 2025): Excellent, Thank you so much!
Author
Owner

@github-actions[bot] commented on GitHub (Jun 15, 2025):

Fixed in v2.25.1.

@github-actions[bot] commented on GitHub (Jun 15, 2025): Fixed in [v2.25.1](https://github.com/advplyr/audiobookshelf/releases/tag/v2.25.1).
Author
Owner

@anakinsleftleg commented on GitHub (Jul 6, 2025):

on v2.25.1 i tried this again and again the resulting file was not in the library. It had done the whole conversion but the file in the library was the original with original bitrate.

@anakinsleftleg commented on GitHub (Jul 6, 2025): on v2.25.1 i tried this again and again the resulting file was not in the library. It had done the whole conversion but the file in the library was the original with original bitrate.
Author
Owner

@advplyr commented on GitHub (Jul 6, 2025):

on v2.25.1 i tried this again and again the resulting file was not in the library. It had done the whole conversion but the file in the library was the original with original bitrate.

Can you share the logs? The logs output all the steps and file paths

@advplyr commented on GitHub (Jul 6, 2025): > on v2.25.1 i tried this again and again the resulting file was not in the library. It had done the whole conversion but the file in the library was the original with original bitrate. Can you share the logs? The logs output all the steps and file paths
Author
Owner

@anakinsleftleg commented on GitHub (Jul 7, 2025):

The original gets moved to the metadata/cache/items/folder and the file in the actual library is renamed to the title of the book, instead of the original file's name. But the bitrates are the same.

Image
2025-07-06 18:19:35.475

DEBUG

[ApiCacheManager] book.afterUpdate: Clearing cache

2025-07-06 18:19:35.491

DEBUG

[ApiCacheManager] count: 0 size: 0

2025-07-06 18:19:35.493

DEBUG

[LibraryScan] "Audiobooks": Success saving abmetadata to "/audiobooks/Twelve Apostles/The Didache/metadata.json"

2025-07-06 18:19:35.514

DEBUG

[ApiCacheManager] libraryItem.afterUpdate: Clearing cache

2025-07-06 18:19:35.545

DEBUG

[ApiCacheManager] Cache miss: {"user":"root","url":"/libraries/8bba036b-f286-4a56-8e24-39b7f48d8481?include=filterdata"}

2025-07-06 18:19:35.601

DEBUG

[ApiCacheManager] count: 1 size: 12757

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Loaded 0 of 0 items for "Continue Listening/Reading" in 0.06s

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Loaded 0 of 0 items for "Continue Series" in 0.03s

2025-07-06 18:19:35.754

DEBUG

[AudioFileScanner] Smart track order for "Jules Verne/Around the World in 80 Days" using track key trackNumFromMeta

2025-07-06 18:19:35.754

DEBUG

[LibraryScan] "Audiobooks": "Around the World in 80 Days" Getting metadata with precedence [folderStructure, audioMetatags, nfoFile, txtFiles, opfFile, absMetadata]

2025-07-06 18:19:35.755

DEBUG

[LibraryScan] "Audiobooks": setChapters: Using embedded chapters in first audio file /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b

2025-07-06 18:19:35.777

DEBUG

[FfmpegHelpers] Extract Cover Cmd: ffmpeg -i /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b -y -map 0:v:0 -frames:v 1 /audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg

2025-07-06 18:19:35.795

DEBUG

Loaded 10 of 77 items for "Recently Added" in 0.06s

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DEBUG

Loaded 5 of 5 series for "Recent Series" in 0.05s

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Loaded 10 of 111 items for "Discover" in 0.10s

2025-07-06 18:19:35.970

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Loaded 0 of 0 items for "Listen/Read Again" in 0.03s

2025-07-06 18:19:35.987

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Loaded 10 of 32 authors for "Newest Authors" in 0.02s

2025-07-06 18:19:35.987

DEBUG

Loaded 4 personalized shelves in 0.35s

2025-07-06 18:19:35.988

DEBUG

[ApiCacheManager] Cache miss: {"user":"root","url":"/libraries/8bba036b-f286-4a56-8e24-39b7f48d8481/personalized?include=rssfeed,numEpisodesIncomplete,share"}

2025-07-06 18:19:35.988

DEBUG

[ApiCacheManager] Caching with 1800000 ms TTL

2025-07-06 18:19:36.010

DEBUG

[FfmpegHelpers] Cover Art Extracted Successfully

2025-07-06 18:19:36.015

DEBUG

[LibraryScan] "Audiobooks": Extracted embedded cover from audio file at "/audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg" for book "Around the World in 80 Days"

2025-07-06 18:19:36.065

DEBUG

[ApiCacheManager] author.afterCreate: Clearing cache

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[ApiCacheManager] author.afterCreate: Clearing cache

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[ApiCacheManager] bookAuthor.afterCreate: Clearing cache

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[ApiCacheManager] bookAuthor.afterCreate: Clearing cache

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[LibraryItemsBookFilters] book.afterCreate: Clearing count cache

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[ApiCacheManager] book.afterCreate: Clearing cache

2025-07-06 18:19:36.314

DEBUG

[ApiCacheManager] libraryItem.afterCreate: Clearing cache

2025-07-06 18:19:36.438

DEBUG

[LibraryScan] "Audiobooks": Success saving abmetadata to "/audiobooks/Jules Verne/Around the World in 80 Days/metadata.json"

2025-07-06 18:19:36.467

DEBUG

[ApiCacheManager] libraryItem.afterUpdate: Clearing cache

2025-07-06 18:19:36.468

DEBUG

[LibraryScan] "Audiobooks": Created new library item "Jules Verne/Around the World in 80 Days" with id "ace5668e-9e7c-45ec-8fe9-285e716e530a"

2025-07-06 18:19:36.473

DEBUG

[LibraryScan] "Audiobooks": Scan completed. 1 Added | 4 Updated | 0 Missing

2025-07-06 18:19:36.474

INFO

[LibraryScanner] Library scan "6d4f7c18-3bc9-4e10-bcdf-16387336ce0b" completed in 0:05 | 1 Added | 4 Updated | 0 Missing

2025-07-06 18:19:36.514

DEBUG

[ApiCacheManager] library.afterUpdate: Clearing cache

2025-07-06 18:19:36.531

INFO

[LibraryScan] Scan log saved "/metadata/logs/scans/2025-07-06_6d4f7c18-3bc9-4e10-bcdf-16387336ce0b.txt"

2025-07-06 18:19:36.544

INFO

[LibraryController] Scan complete

2025-07-06 18:19:36.555

DEBUG

[FfmpegHelpers] Resize Image Cmd: ffmpeg -i /audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg -y -vf scale=400:-1 /metadata/cache/covers/ace5668e-9e7c-45ec-8fe9-285e716e530a_400.webp

2025-07-06 18:19:36.810

DEBUG

[FfmpegHelpers] Image resized Successfully

2025-07-06 18:19:54.502

INFO

[ToolsController] encodeM4b: Starting audiobook merge for "Around the World in 80 Days" with options: {"codec":"copy","bitrate":"64k","channels":"2"}

2025-07-06 18:19:54.503

INFO

Start m4b encode for ace5668e-9e7c-45ec-8fe9-285e716e530a - TaskId: 2937a4f0-d63c-46a4-92f5-cdb4e8d819ff

2025-07-06 18:19:54.526

DEBUG

[ffmpegHelpers] Wrote /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/ffmetadata.txt

2025-07-06 18:19:54.532

DEBUG

[ffmpegHelpers] Merge Audio Files ffmpeg command: ffmpeg -f mp4 -i /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b -y -f mp4 -map 0:a -acodec copy -ac 2 -b:a 64k /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b

2025-07-06 18:20:25.345

DEBUG

[ffmpegHelpers] ffmpeg stdout:

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[ffmpegHelpers] ffmpeg stderr: Metadata: title : Chapter 5 Chapter #0:5: start 6111.998957, end 7123.900952 Metadata: title : Chapter 6 Chapter #0:6: start 7123.900952, end 8335.215941 Metadata: title : Chapter 7 Chapter #0:7: start 8335.215941, end 9571.027937 Metadata: title : Chapter 8 Chapter #0:8: start 9571.027937, end 10595.723923 Metadata: title : Chapter 9 Chapter #0:9: start 10595.723923, end 11682.881905 Metadata: title : Chapter 10 Chapter #0:10: start 11682.881905, end 12621.199887 Metadata: title : Chapter 11 Chapter #0:11: start 12621.199887, end 13770.261882 Metadata: title : Chapter 12 Chapter #0:12: start 13770.261882, end 15278.206667 Metadata: title : Chapter 13 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 64 kb/s (default) Metadata: creation_time : 2022-09-04T19:44:10.000000Z handler_name : ?Apple Sound Media Handler vendor_id : [0][0][0][0] Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help size= 0kB time=00:00:00.00 bitrate=N/A speed=N/A size= 3840kB time=00:04:18.90 bitrate= 121.5kbits/s speed= 518x size= 7680kB time=00:08:21.13 bitrate= 125.6kbits/s speed= 500x size= 10752kB time=00:11:55.05 bitrate= 123.2kbits/s speed= 476x size= 14848kB time=00:16:15.16 bitrate= 124.7kbits/s speed= 487x size= 18688kB time=00:20:34.81 bitrate= 124.0kbits/s speed= 493x size= 22784kB time=00:25:00.14 bitrate= 124.4kbits/s speed= 500x size= 26112kB time=00:28:39.27 bitrate= 124.4kbits/s speed= 491x size= 29696kB time=00:32:25.78 bitrate= 125.0kbits/s speed= 486x size= 33792kB time=00:36:49.58 bitrate= 125.3kbits/s speed= 491x size= 37888kB time=00:41:12.78 bitrate= 125.5kbits/s speed= 494x size= 41472kB time=00:45:21.63 bitrate= 124.8kbits/s speed= 495x size= 45568kB time=00:49:45.34 bitrate= 125.0kbits/s speed= 497x size= 49664kB time=00:54:08.07 bitrate= 125.3kbits/s speed= 500x size= 53504kB time=00:58:16.73 bitrate= 125.3kbits/s speed= 499x size= 57344kB time=01:02:36.50 bitrate= 125.1kbits/s speed= 501x size= 61440kB time=01:06:59.74 bitrate= 125.2kbits/s speed= 502x size= 65536kB time=01:11:20.52 bitrate= 125.4kbits/s speed= 503x size= 69632kB time=01:15:45.35 bitrate= 125.5kbits/s speed= 505x size= 73472kB time=01:20:02.90 bitrate= 125.3kbits/s speed= 505x size= 77568kB time=01:24:21.39 bitrate= 125.5kbits/s speed= 506x size= 81408kB time=01:28:38.53 bitrate= 125.4kbits/s speed= 506x size= 85248kB time=01:32:55.04 bitrate= 125.3kbits/s speed= 507x size= 89088kB time=01:36:53.18 bitrate= 125.5kbits/s speed= 505x size= 92928kB time=01:41:07.93 bitrate= 125.5kbits/s speed= 506x size= 96768kB time=01:45:23.23 bitrate= 125.4kbits/s speed= 506x size= 100864kB time=01:49:42.78 bitrate= 125.5kbits/s speed= 506x size= 104704kB time=01:53:58.69 bitrate= 125.4kbits/s speed= 506x size= 108800kB time=01:58:17.99 bitrate= 125.6kbits/s speed= 507x size= 112384kB time=02:02:24.26 bitrate= 125.4kbits/s speed= 506x size= 116224kB time=02:06:23.31 bitrate= 125.6kbits/s speed= 505x size= 119808kB time=02:10:26.42 bitrate= 125.4kbits/s speed= 505x size= 122880kB time=02:13:49.25 bitrate= 125.4kbits/s speed= 502x size= 126464kB time=02:17:29.67 bitrate= 125.6kbits/s speed= 500x size= 129792kB time=02:21:09.15 bitrate= 125.5kbits/s speed= 498x size= 133120kB time=02:24:43.47 bitrate= 125.6kbits/s speed= 496x size= 135936kB time=02:28:00.86 bitrate= 125.4kbits/s speed= 493x size= 139520kB time=02:31:50.41 bitrate= 125.5kbits/s speed= 492x size= 143104kB time=02:35:35.16 bitrate= 125.6kbits/s speed= 491x size= 146432kB time=02:39:26.20 bitrate= 125.4kbits/s speed= 490x size= 150272kB time=02:43:24.32 bitrate= 125.6kbits/s speed= 490x size= 153856kB time=02:47:22.04 bitrate= 125.5kbits/s speed= 490x size= 157696kB time=02:51:38.21 bitrate= 125.4kbits/s speed= 490x size= 161792kB time=02:56:00.57 bitrate= 125.5kbits/s speed= 491x size= 165888kB time=03:00:26.30 bitrate= 125.5kbits/s speed= 492x size= 169728kB time=03:04:46.92 bitrate= 125.4kbits/s speed= 493x size= 173824kB time=03:09:07.45 bitrate= 125.5kbits/s speed= 493x size= 177920kB time=03:13:29.44 bitrate= 125.5kbits/s speed= 494x size= 182016kB time=03:17:56.75 bitrate= 125.5kbits/s speed= 495x size= 185856kB time=03:22:16.95 bitrate= 125.4kbits/s speed= 495x size= 189952kB time=03:26:38.52 bitrate= 125.5kbits/s speed= 496x size= 194048kB time=03:30:57.75 bitrate= 125.6kbits/s speed= 496x size= 197888kB time=03:35:18.00 bitrate= 125.5kbits/s speed= 497x size= 201728kB time=03:39:35.16 bitrate= 125.4kbits/s speed= 497x size= 205824kB time=03:43:49.86 bitrate= 125.5kbits/s speed= 497x size= 209664kB time=03:48:12.31 bitrate= 125.4kbits/s speed= 498x size= 213760kB time=03:52:27.90 bitrate= 125.5kbits/s speed= 498x size= 217600kB time=03:56:44.18 bitrate= 125.5kbits/s speed= 498x size= 221696kB time=04:01:03.54 bitrate= 125.6kbits/s speed= 499x size= 225536kB time=04:05:17.10 bitrate= 125.5kbits/s speed= 499x size= 229632kB time=04:09:39.42 bitrate= 125.6kbits/s speed= 499x size= 233472kB time=04:13:55.79 bitrate= 125.5kbits/s speed= 499x [out#0/mp4 @ 0x7d375cb1f300] video:0kB audio:234224kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.099465% size= 236799kB time=04:14:38.19 bitrate= 127.0kbits/s speed= 499x

2025-07-06 18:20:25.346

DEBUG

[ffmpegHelpers] Audio Files Merged Successfully

2025-07-06 18:20:25.351

DEBUG

[ffmpegHelpers] Spawned Ffmpeg with command: ffmpeg -i /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b -i /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/ffmetadata.txt -i /audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg -y -map 0:a -map_metadata 1 -map_metadata 0 -map_chapters 1 -c copy -metadata track=1 -f mp4 -map 2:v -disposition:v:0 attached_pic -metadata:s:v title=Cover -metadata:s:v comment=Cover /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b

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[AbMergeManager] Embedding metadata progress: 95.18758091181773

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[ffmpegHelpers] ffmpeg stdout:

2025-07-06 18:20:37.739

DEBUG

[ffmpegHelpers] ffmpeg stderr: Output #0, mp4, to '/metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b': Metadata: title : Around the World in 80 Days artist : Jules Verne, Anna Lea - adaptation album_artist : Jules Verne, Anna Lea - adaptation album : Around the World in 80 Days genre : Classics date : 2019 comment : One of the most celebrated tales of all time, Around the World in 80 Days is part high-octane thriller, part fascinating fantasy travelogue. Pragmatic gambler Phileas Fogg has made a gentlemanly wager to the members of his exclusive club: that he can circ description : One of the most celebrated tales of all time, Around the World in 80 Days is part high-octane thriller, part fascinating fantasy travelogue. Pragmatic gambler Phileas Fogg has made a gentlemanly wager to the members of his exclusive club: that he can circ composer : Toby Jones, George Blagden, Don Gilet, Vineeta Rishi copyright : Audible Originals publisher : Audible Originals TRACKTOTAL : 1 major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 track : 1 encoder : Lavf60.16.100 Chapters: Chapter #0:0: start 0.000000, end 1323.605000 Metadata: title : Chapter 1 Chapter #0:1: start 1323.605000, end 2339.315000 Metadata: title : Chapter 2 Chapter #0:2: start 2339.315000, end 3434.251000 Metadata: title : Chapter 3 Chapter #0:3: start 3434.251000, end 4962.007000 Metadata: title : Chapter 4 Chapter #0:4: start 4962.007000, end 6111.998000 Metadata: title : Chapter 5 Chapter #0:5: start 6111.998000, end 7123.900000 Metadata: title : Chapter 6 Chapter #0:6: start 7123.900000, end 8335.215000 Metadata: title : Chapter 7 Chapter #0:7: start 8335.215000, end 9571.027000 Metadata: title : Chapter 8 Chapter #0:8: start 9571.027000, end 10595.723000 Metadata: title : Chapter 9 Chapter #0:9: start 10595.723000, end 11682.881000 Metadata: title : Chapter 10 Chapter #0:10: start 11682.881000, end 12621.199000 Metadata: title : Chapter 11 Chapter #0:11: start 12621.199000, end 13770.261000 Metadata: title : Chapter 12 Chapter #0:12: start 13770.261000, end 15278.206000 Metadata: title : Chapter 13 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default) Metadata: handler_name : ?Apple Sound Media Handler vendor_id : [0][0][0][0] Stream #0:1: Video: mjpeg (Baseline) (mp4v / 0x7634706D), yuvj420p(pc, bt470bg/unknown/unknown), 2400x2400 [SAR 1:1 DAR 1:1], q=2-31, 25 fps, 25 tbr, 12800 tbn (attached pic) Metadata: title : Cover comment : Cover Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #2:0 -> #0:1 (copy) Press [q] to stop, [?] for help size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x size= 8448kB time=00:09:33.18 bitrate= 120.7kbits/s speed=1.15e+03x size= 18944kB time=00:20:53.13 bitrate= 123.8kbits/s speed=1.25e+03x size= 28416kB time=00:31:08.32 bitrate= 124.6kbits/s speed=1.25e+03x size= 38144kB time=00:41:38.28 bitrate= 125.1kbits/s speed=1.25e+03x size= 47360kB time=00:51:51.35 bitrate= 124.7kbits/s speed=1.24e+03x size= 57088kB time=01:02:14.20 bitrate= 125.2kbits/s speed=1.24e+03x size= 66048kB time=01:11:58.44 bitrate= 125.3kbits/s speed=1.23e+03x size= 75264kB time=01:22:10.61 bitrate= 125.0kbits/s speed=1.23e+03x size= 84736kB time=01:32:28.31 bitrate= 125.1kbits/s speed=1.23e+03x size= 94464kB time=01:42:52.51 bitrate= 125.4kbits/s speed=1.23e+03x size= 104192kB time=01:53:27.64 bitrate= 125.4kbits/s speed=1.24e+03x size= 114176kB time=02:04:32.36 bitrate= 125.2kbits/s speed=1.24e+03x size= 123904kB time=02:15:04.25 bitrate= 125.2kbits/s speed=1.25e+03x size= 133888kB time=02:25:56.33 bitrate= 125.3kbits/s speed=1.25e+03x size= 143872kB time=02:36:46.56 bitrate= 125.3kbits/s speed=1.25e+03x size= 153600kB time=02:47:24.48 bitrate= 125.3kbits/s speed=1.26e+03x size= 163840kB time=02:58:17.31 bitrate= 125.5kbits/s speed=1.26e+03x size= 173568kB time=03:09:05.03 bitrate= 125.3kbits/s speed=1.26e+03x size= 182784kB time=03:18:59.51 bitrate= 125.4kbits/s speed=1.26e+03x size= 192000kB time=03:29:08.73 bitrate= 125.3kbits/s speed=1.25e+03x size= 202240kB time=03:40:13.68 bitrate= 125.4kbits/s speed=1.26e+03x size= 211968kB time=03:50:45.24 bitrate= 125.4kbits/s speed=1.26e+03x size= 221184kB time=04:00:41.16 bitrate= 125.5kbits/s speed=1.26e+03x size= 230400kB time=04:10:45.67 bitrate= 125.4kbits/s speed=1.25e+03x [out#0/mp4 @ 0x7bd3b8420200] video:315kB audio:234224kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.098211% size= 237115kB time=04:14:38.19 bitrate= 127.1kbits/s speed=1.25e+03x

2025-07-06 18:20:37.739

DEBUG

[ffmpegHelpers] Moving temp file to audio file path: "/metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b" -> "/metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b"

2025-07-06 18:20:40.956

DEBUG

[copyToExisting] Successfully copied file from /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b to /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b

2025-07-06 18:20:40.987

DEBUG

[AbMergeManager] Backing up original track "/audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b" to /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days - Jules Verne - Toby Jones.m4b

2025-07-06 18:20:44.589

DEBUG

[AbMergeManager] Moving m4b from /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b to /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days.m4b

2025-07-06 18:20:47.877

DEBUG

[copyToExisting] Successfully copied file from /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b to /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b

2025-07-06 18:20:47.922

INFO

[AbMergeManager] Removing task 2937a4f0-d63c-46a4-92f5-cdb4e8d819ff

2025-07-06 18:20:47.923

INFO

[AbMergeManager] Ab task finished 2937a4f0-d63c-46a4-92f5-cdb4e8d819ff
@anakinsleftleg commented on GitHub (Jul 7, 2025): The original gets moved to the metadata/cache/items/folder and the file in the actual library is renamed to the title of the book, instead of the original file's name. But the bitrates are the same. <img width="720" height="509" alt="Image" src="https://github.com/user-attachments/assets/088f2dca-d36b-4606-a028-ca5b2eb7ebff" /> ```debug 2025-07-06 18:19:35.475 DEBUG [ApiCacheManager] book.afterUpdate: Clearing cache 2025-07-06 18:19:35.491 DEBUG [ApiCacheManager] count: 0 size: 0 2025-07-06 18:19:35.493 DEBUG [LibraryScan] "Audiobooks": Success saving abmetadata to "/audiobooks/Twelve Apostles/The Didache/metadata.json" 2025-07-06 18:19:35.514 DEBUG [ApiCacheManager] libraryItem.afterUpdate: Clearing cache 2025-07-06 18:19:35.545 DEBUG [ApiCacheManager] Cache miss: {"user":"root","url":"/libraries/8bba036b-f286-4a56-8e24-39b7f48d8481?include=filterdata"} 2025-07-06 18:19:35.601 DEBUG [ApiCacheManager] count: 1 size: 12757 2025-07-06 18:19:35.700 DEBUG Loaded 0 of 0 items for "Continue Listening/Reading" in 0.06s 2025-07-06 18:19:35.731 DEBUG Loaded 0 of 0 items for "Continue Series" in 0.03s 2025-07-06 18:19:35.754 DEBUG [AudioFileScanner] Smart track order for "Jules Verne/Around the World in 80 Days" using track key trackNumFromMeta 2025-07-06 18:19:35.754 DEBUG [LibraryScan] "Audiobooks": "Around the World in 80 Days" Getting metadata with precedence [folderStructure, audioMetatags, nfoFile, txtFiles, opfFile, absMetadata] 2025-07-06 18:19:35.755 DEBUG [LibraryScan] "Audiobooks": setChapters: Using embedded chapters in first audio file /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b 2025-07-06 18:19:35.777 DEBUG [FfmpegHelpers] Extract Cover Cmd: ffmpeg -i /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b -y -map 0:v:0 -frames:v 1 /audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg 2025-07-06 18:19:35.795 DEBUG Loaded 10 of 77 items for "Recently Added" in 0.06s 2025-07-06 18:19:35.845 DEBUG Loaded 5 of 5 series for "Recent Series" in 0.05s 2025-07-06 18:19:35.944 DEBUG Loaded 10 of 111 items for "Discover" in 0.10s 2025-07-06 18:19:35.970 DEBUG Loaded 0 of 0 items for "Listen/Read Again" in 0.03s 2025-07-06 18:19:35.987 DEBUG Loaded 10 of 32 authors for "Newest Authors" in 0.02s 2025-07-06 18:19:35.987 DEBUG Loaded 4 personalized shelves in 0.35s 2025-07-06 18:19:35.988 DEBUG [ApiCacheManager] Cache miss: {"user":"root","url":"/libraries/8bba036b-f286-4a56-8e24-39b7f48d8481/personalized?include=rssfeed,numEpisodesIncomplete,share"} 2025-07-06 18:19:35.988 DEBUG [ApiCacheManager] Caching with 1800000 ms TTL 2025-07-06 18:19:36.010 DEBUG [FfmpegHelpers] Cover Art Extracted Successfully 2025-07-06 18:19:36.015 DEBUG [LibraryScan] "Audiobooks": Extracted embedded cover from audio file at "/audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg" for book "Around the World in 80 Days" 2025-07-06 18:19:36.065 DEBUG [ApiCacheManager] author.afterCreate: Clearing cache 2025-07-06 18:19:36.084 DEBUG [ApiCacheManager] author.afterCreate: Clearing cache 2025-07-06 18:19:36.103 DEBUG [ApiCacheManager] bookAuthor.afterCreate: Clearing cache 2025-07-06 18:19:36.142 DEBUG [ApiCacheManager] bookAuthor.afterCreate: Clearing cache 2025-07-06 18:19:36.142 DEBUG [LibraryItemsBookFilters] book.afterCreate: Clearing count cache 2025-07-06 18:19:36.143 DEBUG [ApiCacheManager] book.afterCreate: Clearing cache 2025-07-06 18:19:36.314 DEBUG [ApiCacheManager] libraryItem.afterCreate: Clearing cache 2025-07-06 18:19:36.438 DEBUG [LibraryScan] "Audiobooks": Success saving abmetadata to "/audiobooks/Jules Verne/Around the World in 80 Days/metadata.json" 2025-07-06 18:19:36.467 DEBUG [ApiCacheManager] libraryItem.afterUpdate: Clearing cache 2025-07-06 18:19:36.468 DEBUG [LibraryScan] "Audiobooks": Created new library item "Jules Verne/Around the World in 80 Days" with id "ace5668e-9e7c-45ec-8fe9-285e716e530a" 2025-07-06 18:19:36.473 DEBUG [LibraryScan] "Audiobooks": Scan completed. 1 Added | 4 Updated | 0 Missing 2025-07-06 18:19:36.474 INFO [LibraryScanner] Library scan "6d4f7c18-3bc9-4e10-bcdf-16387336ce0b" completed in 0:05 | 1 Added | 4 Updated | 0 Missing 2025-07-06 18:19:36.514 DEBUG [ApiCacheManager] library.afterUpdate: Clearing cache 2025-07-06 18:19:36.531 INFO [LibraryScan] Scan log saved "/metadata/logs/scans/2025-07-06_6d4f7c18-3bc9-4e10-bcdf-16387336ce0b.txt" 2025-07-06 18:19:36.544 INFO [LibraryController] Scan complete 2025-07-06 18:19:36.555 DEBUG [FfmpegHelpers] Resize Image Cmd: ffmpeg -i /audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg -y -vf scale=400:-1 /metadata/cache/covers/ace5668e-9e7c-45ec-8fe9-285e716e530a_400.webp 2025-07-06 18:19:36.810 DEBUG [FfmpegHelpers] Image resized Successfully 2025-07-06 18:19:54.502 INFO [ToolsController] encodeM4b: Starting audiobook merge for "Around the World in 80 Days" with options: {"codec":"copy","bitrate":"64k","channels":"2"} 2025-07-06 18:19:54.503 INFO Start m4b encode for ace5668e-9e7c-45ec-8fe9-285e716e530a - TaskId: 2937a4f0-d63c-46a4-92f5-cdb4e8d819ff 2025-07-06 18:19:54.526 DEBUG [ffmpegHelpers] Wrote /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/ffmetadata.txt 2025-07-06 18:19:54.532 DEBUG [ffmpegHelpers] Merge Audio Files ffmpeg command: ffmpeg -f mp4 -i /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b -y -f mp4 -map 0:a -acodec copy -ac 2 -b:a 64k /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b 2025-07-06 18:20:25.345 DEBUG [ffmpegHelpers] ffmpeg stdout: 2025-07-06 18:20:25.346 DEBUG [ffmpegHelpers] ffmpeg stderr: Metadata: title : Chapter 5 Chapter #0:5: start 6111.998957, end 7123.900952 Metadata: title : Chapter 6 Chapter #0:6: start 7123.900952, end 8335.215941 Metadata: title : Chapter 7 Chapter #0:7: start 8335.215941, end 9571.027937 Metadata: title : Chapter 8 Chapter #0:8: start 9571.027937, end 10595.723923 Metadata: title : Chapter 9 Chapter #0:9: start 10595.723923, end 11682.881905 Metadata: title : Chapter 10 Chapter #0:10: start 11682.881905, end 12621.199887 Metadata: title : Chapter 11 Chapter #0:11: start 12621.199887, end 13770.261882 Metadata: title : Chapter 12 Chapter #0:12: start 13770.261882, end 15278.206667 Metadata: title : Chapter 13 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 64 kb/s (default) Metadata: creation_time : 2022-09-04T19:44:10.000000Z handler_name : ?Apple Sound Media Handler vendor_id : [0][0][0][0] Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help size= 0kB time=00:00:00.00 bitrate=N/A speed=N/A size= 3840kB time=00:04:18.90 bitrate= 121.5kbits/s speed= 518x size= 7680kB time=00:08:21.13 bitrate= 125.6kbits/s speed= 500x size= 10752kB time=00:11:55.05 bitrate= 123.2kbits/s speed= 476x size= 14848kB time=00:16:15.16 bitrate= 124.7kbits/s speed= 487x size= 18688kB time=00:20:34.81 bitrate= 124.0kbits/s speed= 493x size= 22784kB time=00:25:00.14 bitrate= 124.4kbits/s speed= 500x size= 26112kB time=00:28:39.27 bitrate= 124.4kbits/s speed= 491x size= 29696kB time=00:32:25.78 bitrate= 125.0kbits/s speed= 486x size= 33792kB time=00:36:49.58 bitrate= 125.3kbits/s speed= 491x size= 37888kB time=00:41:12.78 bitrate= 125.5kbits/s speed= 494x size= 41472kB time=00:45:21.63 bitrate= 124.8kbits/s speed= 495x size= 45568kB time=00:49:45.34 bitrate= 125.0kbits/s speed= 497x size= 49664kB time=00:54:08.07 bitrate= 125.3kbits/s speed= 500x size= 53504kB time=00:58:16.73 bitrate= 125.3kbits/s speed= 499x size= 57344kB time=01:02:36.50 bitrate= 125.1kbits/s speed= 501x size= 61440kB time=01:06:59.74 bitrate= 125.2kbits/s speed= 502x size= 65536kB time=01:11:20.52 bitrate= 125.4kbits/s speed= 503x size= 69632kB time=01:15:45.35 bitrate= 125.5kbits/s speed= 505x size= 73472kB time=01:20:02.90 bitrate= 125.3kbits/s speed= 505x size= 77568kB time=01:24:21.39 bitrate= 125.5kbits/s speed= 506x size= 81408kB time=01:28:38.53 bitrate= 125.4kbits/s speed= 506x size= 85248kB time=01:32:55.04 bitrate= 125.3kbits/s speed= 507x size= 89088kB time=01:36:53.18 bitrate= 125.5kbits/s speed= 505x size= 92928kB time=01:41:07.93 bitrate= 125.5kbits/s speed= 506x size= 96768kB time=01:45:23.23 bitrate= 125.4kbits/s speed= 506x size= 100864kB time=01:49:42.78 bitrate= 125.5kbits/s speed= 506x size= 104704kB time=01:53:58.69 bitrate= 125.4kbits/s speed= 506x size= 108800kB time=01:58:17.99 bitrate= 125.6kbits/s speed= 507x size= 112384kB time=02:02:24.26 bitrate= 125.4kbits/s speed= 506x size= 116224kB time=02:06:23.31 bitrate= 125.6kbits/s speed= 505x size= 119808kB time=02:10:26.42 bitrate= 125.4kbits/s speed= 505x size= 122880kB time=02:13:49.25 bitrate= 125.4kbits/s speed= 502x size= 126464kB time=02:17:29.67 bitrate= 125.6kbits/s speed= 500x size= 129792kB time=02:21:09.15 bitrate= 125.5kbits/s speed= 498x size= 133120kB time=02:24:43.47 bitrate= 125.6kbits/s speed= 496x size= 135936kB time=02:28:00.86 bitrate= 125.4kbits/s speed= 493x size= 139520kB time=02:31:50.41 bitrate= 125.5kbits/s speed= 492x size= 143104kB time=02:35:35.16 bitrate= 125.6kbits/s speed= 491x size= 146432kB time=02:39:26.20 bitrate= 125.4kbits/s speed= 490x size= 150272kB time=02:43:24.32 bitrate= 125.6kbits/s speed= 490x size= 153856kB time=02:47:22.04 bitrate= 125.5kbits/s speed= 490x size= 157696kB time=02:51:38.21 bitrate= 125.4kbits/s speed= 490x size= 161792kB time=02:56:00.57 bitrate= 125.5kbits/s speed= 491x size= 165888kB time=03:00:26.30 bitrate= 125.5kbits/s speed= 492x size= 169728kB time=03:04:46.92 bitrate= 125.4kbits/s speed= 493x size= 173824kB time=03:09:07.45 bitrate= 125.5kbits/s speed= 493x size= 177920kB time=03:13:29.44 bitrate= 125.5kbits/s speed= 494x size= 182016kB time=03:17:56.75 bitrate= 125.5kbits/s speed= 495x size= 185856kB time=03:22:16.95 bitrate= 125.4kbits/s speed= 495x size= 189952kB time=03:26:38.52 bitrate= 125.5kbits/s speed= 496x size= 194048kB time=03:30:57.75 bitrate= 125.6kbits/s speed= 496x size= 197888kB time=03:35:18.00 bitrate= 125.5kbits/s speed= 497x size= 201728kB time=03:39:35.16 bitrate= 125.4kbits/s speed= 497x size= 205824kB time=03:43:49.86 bitrate= 125.5kbits/s speed= 497x size= 209664kB time=03:48:12.31 bitrate= 125.4kbits/s speed= 498x size= 213760kB time=03:52:27.90 bitrate= 125.5kbits/s speed= 498x size= 217600kB time=03:56:44.18 bitrate= 125.5kbits/s speed= 498x size= 221696kB time=04:01:03.54 bitrate= 125.6kbits/s speed= 499x size= 225536kB time=04:05:17.10 bitrate= 125.5kbits/s speed= 499x size= 229632kB time=04:09:39.42 bitrate= 125.6kbits/s speed= 499x size= 233472kB time=04:13:55.79 bitrate= 125.5kbits/s speed= 499x [out#0/mp4 @ 0x7d375cb1f300] video:0kB audio:234224kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.099465% size= 236799kB time=04:14:38.19 bitrate= 127.0kbits/s speed= 499x 2025-07-06 18:20:25.346 DEBUG [ffmpegHelpers] Audio Files Merged Successfully 2025-07-06 18:20:25.351 DEBUG [ffmpegHelpers] Spawned Ffmpeg with command: ffmpeg -i /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b -i /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/ffmetadata.txt -i /audiobooks/Jules Verne/Around the World in 80 Days/cover.jpg -y -map 0:a -map_metadata 1 -map_metadata 0 -map_chapters 1 -c copy -metadata track=1 -f mp4 -map 2:v -disposition:v:0 attached_pic -metadata:s:v title=Cover -metadata:s:v comment=Cover /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b 2025-07-06 18:20:25.987 DEBUG [ffmpegHelpers] Progress: 3.7516182363545667% 2025-07-06 18:20:25.988 DEBUG [AbMergeManager] Embedding metadata progress: 95.18758091181773 2025-07-06 18:20:26.487 DEBUG [ffmpegHelpers] Progress: 8.202075020975956% 2025-07-06 18:20:26.488 DEBUG [AbMergeManager] Embedding metadata progress: 95.4101037510488 2025-07-06 18:20:26.987 DEBUG [ffmpegHelpers] Progress: 12.228660077717233% 2025-07-06 18:20:26.988 DEBUG [AbMergeManager] Embedding metadata progress: 95.61143300388586 2025-07-06 18:20:27.488 DEBUG [ffmpegHelpers] Progress: 16.35191878209269% 2025-07-06 18:20:27.489 DEBUG [AbMergeManager] Embedding metadata progress: 95.81759593910463 2025-07-06 18:20:27.988 DEBUG [ffmpegHelpers] Progress: 20.36462786503678% 2025-07-06 18:20:27.989 DEBUG [AbMergeManager] Embedding metadata progress: 96.01823139325184 2025-07-06 18:20:28.488 DEBUG [ffmpegHelpers] Progress: 24.441349695026386% 2025-07-06 18:20:28.489 DEBUG [AbMergeManager] Embedding metadata progress: 96.22206748475132 2025-07-06 18:20:28.989 DEBUG [ffmpegHelpers] Progress: 28.265358624870057% 2025-07-06 18:20:28.990 DEBUG [AbMergeManager] Embedding metadata progress: 96.41326793124351 2025-07-06 18:20:29.489 DEBUG [ffmpegHelpers] Progress: 32.272176964220996% 2025-07-06 18:20:29.490 DEBUG [AbMergeManager] Embedding metadata progress: 96.61360884821106 2025-07-06 18:20:29.989 DEBUG [ffmpegHelpers] Progress: 36.31519065031649% 2025-07-06 18:20:29.990 DEBUG [AbMergeManager] Embedding metadata progress: 96.81575953251583 2025-07-06 18:20:30.489 DEBUG [ffmpegHelpers] Progress: 40.400748595695816% 2025-07-06 18:20:30.490 DEBUG [AbMergeManager] Embedding metadata progress: 97.0200374297848 2025-07-06 18:20:30.989 DEBUG [ffmpegHelpers] Progress: 44.55784634937856% 2025-07-06 18:20:30.990 DEBUG [AbMergeManager] Embedding metadata progress: 97.22789231746893 2025-07-06 18:20:31.489 DEBUG [ffmpegHelpers] Progress: 48.908618661862604% 2025-07-06 18:20:31.490 DEBUG [AbMergeManager] Embedding metadata progress: 97.44543093309314 2025-07-06 18:20:31.989 DEBUG [ffmpegHelpers] Progress: 53.04450973861003% 2025-07-06 18:20:31.990 DEBUG [AbMergeManager] Embedding metadata progress: 97.6522254869305 2025-07-06 18:20:32.489 DEBUG [ffmpegHelpers] Progress: 57.312549829963686% 2025-07-06 18:20:32.490 DEBUG [AbMergeManager] Embedding metadata progress: 97.86562749149819 2025-07-06 18:20:32.989 DEBUG [ffmpegHelpers] Progress: 61.56848117059809% 2025-07-06 18:20:32.990 DEBUG [AbMergeManager] Embedding metadata progress: 98.0784240585299 2025-07-06 18:20:33.489 DEBUG [ffmpegHelpers] Progress: 65.74384022941958% 2025-07-06 18:20:33.490 DEBUG [AbMergeManager] Embedding metadata progress: 98.28719201147098 2025-07-06 18:20:33.992 DEBUG [ffmpegHelpers] Progress: 70.01678927376751% 2025-07-06 18:20:33.993 DEBUG [AbMergeManager] Embedding metadata progress: 98.50083946368838 2025-07-06 18:20:34.491 DEBUG [ffmpegHelpers] Progress: 74.25629198504772% 2025-07-06 18:20:34.492 DEBUG [AbMergeManager] Embedding metadata progress: 98.71281459925238 2025-07-06 18:20:34.991 DEBUG [ffmpegHelpers] Progress: 78.14732448644006% 2025-07-06 18:20:34.992 DEBUG [AbMergeManager] Embedding metadata progress: 98.907366224322 2025-07-06 18:20:35.491 DEBUG [ffmpegHelpers] Progress: 82.1348342773468% 2025-07-06 18:20:35.492 DEBUG [AbMergeManager] Embedding metadata progress: 99.10674171386734 2025-07-06 18:20:35.991 DEBUG [ffmpegHelpers] Progress: 86.48711200208244% 2025-07-06 18:20:35.992 DEBUG [AbMergeManager] Embedding metadata progress: 99.32435560010413 2025-07-06 18:20:36.491 DEBUG [ffmpegHelpers] Progress: 90.62084313951237% 2025-07-06 18:20:36.492 DEBUG [AbMergeManager] Embedding metadata progress: 99.53104215697562 2025-07-06 18:20:36.991 DEBUG [ffmpegHelpers] Progress: 94.52130083065376% 2025-07-06 18:20:36.992 DEBUG [AbMergeManager] Embedding metadata progress: 99.72606504153269 2025-07-06 18:20:37.491 DEBUG [ffmpegHelpers] Progress: 98.47798239675637% 2025-07-06 18:20:37.492 DEBUG [AbMergeManager] Embedding metadata progress: 99.92389911983783 2025-07-06 18:20:37.726 DEBUG [ffmpegHelpers] Progress: 99.9998887303988% 2025-07-06 18:20:37.727 DEBUG [AbMergeManager] Embedding metadata progress: 99.99999443651994 2025-07-06 18:20:37.738 DEBUG [ffmpegHelpers] ffmpeg stdout: 2025-07-06 18:20:37.739 DEBUG [ffmpegHelpers] ffmpeg stderr: Output #0, mp4, to '/metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b': Metadata: title : Around the World in 80 Days artist : Jules Verne, Anna Lea - adaptation album_artist : Jules Verne, Anna Lea - adaptation album : Around the World in 80 Days genre : Classics date : 2019 comment : One of the most celebrated tales of all time, Around the World in 80 Days is part high-octane thriller, part fascinating fantasy travelogue. Pragmatic gambler Phileas Fogg has made a gentlemanly wager to the members of his exclusive club: that he can circ description : One of the most celebrated tales of all time, Around the World in 80 Days is part high-octane thriller, part fascinating fantasy travelogue. Pragmatic gambler Phileas Fogg has made a gentlemanly wager to the members of his exclusive club: that he can circ composer : Toby Jones, George Blagden, Don Gilet, Vineeta Rishi copyright : Audible Originals publisher : Audible Originals TRACKTOTAL : 1 major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 track : 1 encoder : Lavf60.16.100 Chapters: Chapter #0:0: start 0.000000, end 1323.605000 Metadata: title : Chapter 1 Chapter #0:1: start 1323.605000, end 2339.315000 Metadata: title : Chapter 2 Chapter #0:2: start 2339.315000, end 3434.251000 Metadata: title : Chapter 3 Chapter #0:3: start 3434.251000, end 4962.007000 Metadata: title : Chapter 4 Chapter #0:4: start 4962.007000, end 6111.998000 Metadata: title : Chapter 5 Chapter #0:5: start 6111.998000, end 7123.900000 Metadata: title : Chapter 6 Chapter #0:6: start 7123.900000, end 8335.215000 Metadata: title : Chapter 7 Chapter #0:7: start 8335.215000, end 9571.027000 Metadata: title : Chapter 8 Chapter #0:8: start 9571.027000, end 10595.723000 Metadata: title : Chapter 9 Chapter #0:9: start 10595.723000, end 11682.881000 Metadata: title : Chapter 10 Chapter #0:10: start 11682.881000, end 12621.199000 Metadata: title : Chapter 11 Chapter #0:11: start 12621.199000, end 13770.261000 Metadata: title : Chapter 12 Chapter #0:12: start 13770.261000, end 15278.206000 Metadata: title : Chapter 13 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default) Metadata: handler_name : ?Apple Sound Media Handler vendor_id : [0][0][0][0] Stream #0:1: Video: mjpeg (Baseline) (mp4v / 0x7634706D), yuvj420p(pc, bt470bg/unknown/unknown), 2400x2400 [SAR 1:1 DAR 1:1], q=2-31, 25 fps, 25 tbr, 12800 tbn (attached pic) Metadata: title : Cover comment : Cover Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #2:0 -> #0:1 (copy) Press [q] to stop, [?] for help size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x size= 8448kB time=00:09:33.18 bitrate= 120.7kbits/s speed=1.15e+03x size= 18944kB time=00:20:53.13 bitrate= 123.8kbits/s speed=1.25e+03x size= 28416kB time=00:31:08.32 bitrate= 124.6kbits/s speed=1.25e+03x size= 38144kB time=00:41:38.28 bitrate= 125.1kbits/s speed=1.25e+03x size= 47360kB time=00:51:51.35 bitrate= 124.7kbits/s speed=1.24e+03x size= 57088kB time=01:02:14.20 bitrate= 125.2kbits/s speed=1.24e+03x size= 66048kB time=01:11:58.44 bitrate= 125.3kbits/s speed=1.23e+03x size= 75264kB time=01:22:10.61 bitrate= 125.0kbits/s speed=1.23e+03x size= 84736kB time=01:32:28.31 bitrate= 125.1kbits/s speed=1.23e+03x size= 94464kB time=01:42:52.51 bitrate= 125.4kbits/s speed=1.23e+03x size= 104192kB time=01:53:27.64 bitrate= 125.4kbits/s speed=1.24e+03x size= 114176kB time=02:04:32.36 bitrate= 125.2kbits/s speed=1.24e+03x size= 123904kB time=02:15:04.25 bitrate= 125.2kbits/s speed=1.25e+03x size= 133888kB time=02:25:56.33 bitrate= 125.3kbits/s speed=1.25e+03x size= 143872kB time=02:36:46.56 bitrate= 125.3kbits/s speed=1.25e+03x size= 153600kB time=02:47:24.48 bitrate= 125.3kbits/s speed=1.26e+03x size= 163840kB time=02:58:17.31 bitrate= 125.5kbits/s speed=1.26e+03x size= 173568kB time=03:09:05.03 bitrate= 125.3kbits/s speed=1.26e+03x size= 182784kB time=03:18:59.51 bitrate= 125.4kbits/s speed=1.26e+03x size= 192000kB time=03:29:08.73 bitrate= 125.3kbits/s speed=1.25e+03x size= 202240kB time=03:40:13.68 bitrate= 125.4kbits/s speed=1.26e+03x size= 211968kB time=03:50:45.24 bitrate= 125.4kbits/s speed=1.26e+03x size= 221184kB time=04:00:41.16 bitrate= 125.5kbits/s speed=1.26e+03x size= 230400kB time=04:10:45.67 bitrate= 125.4kbits/s speed=1.25e+03x [out#0/mp4 @ 0x7bd3b8420200] video:315kB audio:234224kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.098211% size= 237115kB time=04:14:38.19 bitrate= 127.1kbits/s speed=1.25e+03x 2025-07-06 18:20:37.739 DEBUG [ffmpegHelpers] Moving temp file to audio file path: "/metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b" -> "/metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b" 2025-07-06 18:20:40.956 DEBUG [copyToExisting] Successfully copied file from /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.tmp.m4b to /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b 2025-07-06 18:20:40.987 DEBUG [AbMergeManager] Backing up original track "/audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b" to /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days - Jules Verne - Toby Jones.m4b 2025-07-06 18:20:44.589 DEBUG [AbMergeManager] Moving m4b from /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b to /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days.m4b 2025-07-06 18:20:47.877 DEBUG [copyToExisting] Successfully copied file from /metadata/cache/items/ace5668e-9e7c-45ec-8fe9-285e716e530a/Around the World in 80 Days.m4b to /audiobooks/Jules Verne/Around the World in 80 Days/Around the World in 80 Days - Jules Verne - Toby Jones.m4b 2025-07-06 18:20:47.922 INFO [AbMergeManager] Removing task 2937a4f0-d63c-46a4-92f5-cdb4e8d819ff 2025-07-06 18:20:47.923 INFO [AbMergeManager] Ab task finished 2937a4f0-d63c-46a4-92f5-cdb4e8d819ff ```
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@anakinsleftleg commented on GitHub (Jul 11, 2025):

Is it worth opening a new issue and referencing this or would you re-open this issue?

@anakinsleftleg commented on GitHub (Jul 11, 2025): Is it worth opening a new issue and referencing this or would you re-open this issue?
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Reference: starred/audiobookshelf#2833