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IDProjectCategoryView StatusDate SubmittedLast Update
0000131eac3tobugpublic2013-10-26 21:552015-03-10 20:17
ReporterStoke192 
Assigned Tomadshi 
PriorityhighSeveritymajorReproducibilityalways
StatusclosedResolutionnot fixable 
PlatformPCOSwindowsOS Versionwin 7 64bit
Summary0000131: Unable to demux seamlessly branched TruHD audio on current Disney 3D Blu-ray disks
DescriptionUnable to extact/demux TruHD audio from current crop of Disney 3D Blu-ray disks (Cars 3D, Monsters University 3D).Does not remove audio overlaps.
Steps To ReproduceHappens on Monsters University and Cars 3D
Additional Informationeac3to v3.27
command line: "F:\eac3to327\eac3to.exe" "G:\BDMV\" 2) -demux
------------------------------------------------------------------------------
M2TS, 2 video tracks, 4 audio tracks, 4 subtitle tracks, 1:56:41, 24p /1.001
1: Chapters, 32 chapters
2: h264/AVC (left eye), 1080p24 /1.001 (16:9)
3: h264/AVC (right eye), 1080p24 /1.001 (16:9)
4: TrueHD/AC3, English, 5.1 channels, 48kHz
   (embedded: AC3 EX, 5.1 channels, 640kbps, 48kHz)
5: AC3 Surround, English, 2.0 channels, 320kbps, 48kHz
6: AC3 EX, French, 5.1 channels, 640kbps, 48kHz
7: AC3 EX, Spanish, 5.1 channels, 640kbps, 48kHz
8: Subtitle (PGS), English
9: Subtitle (PGS), English
10: Subtitle (PGS), French
11: Subtitle (PGS), Spanish
Creating file "00800 - Chapters.txt"...
[v02] Extracting video track number 2...
[v03] Extracting video track number 3...
[a04] Extracting audio track number 4...
[a05] Extracting audio track number 5...
[a06] Extracting audio track number 6...
[s10] Extracting subtitle track number 10...
[a04] Extracting audio track number 4...
[s08] Extracting subtitle track number 8...
[s11] Extracting subtitle track number 11...
[s09] Extracting subtitle track number 9...
[a07] Extracting audio track number 7...
[v03] Creating file "00800 - 3 - h264 (right eye), 1080p24.h264"...
[a04] Extracting TrueHD stream...
[a04] Extracting TrueHD stream...
[a04] Decoding with libav/ffmpeg...
[a04] Remapping channels...
[a04] Encoding AC3 <640kbps> with libAften...
[v02] Creating file "00800 - 2 - h264 (left eye), 1080p24.h264"...
[a04] Creating file "00800 - 4 - TrueHD+AC3, English, 5.1 channels, 48kHz.thd+ac3"...
[a06] Creating file "00800 - 6 - AC3 EX, French, 5.1 channels, 640kbps, 48kHz.ac3"...
[a07] Creating file "00800 - 7 - AC3 EX, Spanish, 5.1 channels, 640kbps, 48kHz.ac3"...
[a05] Creating file "00800 - 5 - AC3 Surround, English, 2.0 channels, 320kbps, 48kHz.ac3"...
[a04] Skipping identical AC3 frames (seamless branching)...
[a04] Skipping identical AC3 frames (seamless branching)...
[a06] Skipping identical AC3 frames (seamless branching)...
[a07] Skipping identical AC3 frames (seamless branching)...
[a05] Skipping identical AC3 frames (seamless branching)...
[s08] Creating file "00800 - 8 - Subtitle (PGS), English.sup"...
[s10] Creating file "00800 - 10 - Subtitle (PGS), French.sup"...
[s09] Creating file "00800 - 9 - Subtitle (PGS), English.sup"...
[s11] Creating file "00800 - 11 - Subtitle (PGS), Spanish.sup"...
[a04] Audio overlaps for 5ms at playtime 0:06:53. <WARNING>
[a04] Audio overlaps for 5ms at playtime 0:18:17. <WARNING>
[a04] Audio overlaps for 5ms at playtime 0:32:22. <WARNING>
[a04] Audio overlaps for 5ms at playtime 1:13:16. <WARNING>
[a04] Audio overlaps for 5ms at playtime 1:30:54. <WARNING>
[a04] Audio overlaps for 5ms at playtime 1:38:30. <WARNING>
[a04] Audio overlaps for 5ms at playtime 1:44:21. <WARNING>
[a04] The audio gaps/overlaps can't be removed from the TrueHD bitstream. <WARNING>
[a04] In order to remove them you'll have to transcode to another format. <WARNING>
[a04] The original audio track has a constant bit depth of 16 bits.
Video track 2 contains 167955 frames.
Video track 3 contains 167955 frames.
Subtitle track 8 contains 1784 captions.
Subtitle track 9 contains 1479 captions.
Subtitle track 10 contains 1435 captions.
Subtitle track 11 contains 1395 captions.
eac3to processing took 21 minutes, 10 seconds.
Done.
TagsNo tags attached.
eac3to Version3.27
Attached Files

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-  Notes
(0000716)
madshi (administrator)
2015-03-10 20:17

This is not a bug, but a technical limitation. I don't know how to technically create a valid TrueHD stream when removing gaps. There's also no open source TrueHD encoder available yet, so I also can't encode a fully new TrueHD stream. Currently there's no way for me (that I know) to fix this. So I'll close this "bug" report, because it's not a bug, but it's simply something that I can't technically implement, at this time.

- Issue History
Date Modified Username Field Change
2013-10-26 21:55 Stoke192 New Issue
2015-03-10 20:17 madshi Note Added: 0000716
2015-03-10 20:17 madshi Status new => closed
2015-03-10 20:17 madshi Assigned To => madshi
2015-03-10 20:17 madshi Resolution open => not fixable


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