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MakeMKV Blu-Ray rips can't play on Roku, remux fixes it??

https://forum.makemkv.com/forum/viewtopic.php?f=8&t=22707

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MakeMKV Blu-Ray rips can't play on Roku, remux fixes it??

Posted: Sat Jul 25, 2020 8:57 pm
by thockin
On a brand new Roku Ultra, using Plex DirectPlay. The MKV file starts playing and then aborts.

Remuxing with mkvmerge (no other changes) makes it work. "Lacing" is one of the few differences between the MKV files.

Can anyone offer insight into what's going on?

Here's the full diff:

Code: Select all

--- out.orig	2020-07-04 12:17:10.572237284 -0700
+++ out.remux	2020-07-04 12:17:27.020578318 -0700
@@ -4,19 +4,19 @@
 |+ Maximum EBML ID length: 4
 |+ Maximum EBML size length: 9
 |+ Document type: matroska
-|+ Document type version: 2
+|+ Document type version: 4
 |+ Document type read version: 2
-+ Segment: size 23195064042
++ Segment: size 23126381098
 |+ Seek head (subentries will be skipped)
-|+ EBML void: size 1021
+|+ EBML void: size 3995
 |+ Segment information
 | + Timestamp scale: 1000000
-| + Multiplexing application: libmakemkv v1.15.0 (1.3.5/1.4.7) x86_64-linux-gnu
-| + Writing application: MakeMKV v1.15.0 linux(x64-release)
-| + Duration: 01:56:50.003000000
-| + Title: Spider-Man: Into the Spider-Verse
-| + Date: Sun Mar 29 22:55:19 2020 UTC
-| + Segment UID: 0x38 0x03 0x1e 0xc6 0xe7 0x40 0x0c 0x61 0xec 0x6d 0x9f 0xfd 0x78 0xd4 0x61 0xa5
+| + Multiplexing application: libebml v1.3.10 + libmatroska v1.5.2
+| + Writing application: mkvmerge v45.0.0 ('Heaven in Pennies') 64-bit
+| + Duration: 01:56:50.048000000
+| + Date: Fri Jul 03 22:08:10 2020 UTC
+| + Title: Debug
+| + Segment UID: 0x8c 0x2e 0x98 0xd4 0x97 0x50 0xbc 0xe5 0x91 0x2c 0xce 0xcd 0x31 0x77 0x46 0x0e
 |+ Tracks
 | + Track
 |  + Track number: 1 (track ID for mkvmerge & mkvextract: 0)
@@ -24,7 +24,6 @@
 |  + Track type: video
 |  + Default track flag: 0
 |  + Lacing flag: 0
-|  + Minimum cache: 1
 |  + Codec ID: V_MPEG4/ISO/AVC
 |  + Codec's private data: size 194 (H.264 profile: High @L4.1)
 |  + Default duration: 00:00:00.041708333 (23.976 frames/fields per second for a video track)
@@ -37,11 +36,8 @@
 |  + Track number: 2 (track ID for mkvmerge & mkvextract: 1)
 |  + Track UID: 2
 |  + Track type: audio
-|  + Default track flag: 1
-|  + Lacing flag: 1
 |  + Codec ID: A_DTS
-|  + Language: eng
-|  + Default duration: 00:00:00.010666666 (93.750 frames/fields per second for a video track)
+|  + Default duration: 00:00:00.010666667 (93.750 frames/fields per second for a video track)
 |  + Name: Surround 5.1
 |  + Audio track
 |   + Sampling frequency: 48000
@@ -52,22 +48,19 @@
 |  + Track UID: 3
 |  + Track type: audio
 |  + Default track flag: 0
-|  + Lacing flag: 1
 |  + Codec ID: A_DTS
-|  + Language: eng
-|  + Default duration: 00:00:00.010666666 (93.750 frames/fields per second for a video track)
+|  + Default duration: 00:00:00.010666667 (93.750 frames/fields per second for a video track)
 |  + Name: Surround 5.1
 |  + Audio track
 |   + Sampling frequency: 48000
 |   + Channels: 6
+|   + Bit depth: 16
 | + Track
 |  + Track number: 4 (track ID for mkvmerge & mkvextract: 3)
 |  + Track UID: 4
 |  + Track type: audio
 |  + Default track flag: 0
-|  + Lacing flag: 1
 |  + Codec ID: A_AC3
-|  + Language: eng
 |  + Default duration: 00:00:00.032000000 (31.250 frames/fields per second for a video track)
 |  + Name: Surround 5.1
 |  + Audio track
@@ -78,9 +71,7 @@
 |  + Track UID: 5
 |  + Track type: audio
 |  + Default track flag: 0
-|  + Lacing flag: 1
 |  + Codec ID: A_AC3
-|  + Language: eng
 |  + Default duration: 00:00:00.032000000 (31.250 frames/fields per second for a video track)
 |  + Name: Stereo
 |  + Audio track
@@ -90,36 +81,45 @@
 |  + Track number: 6 (track ID for mkvmerge & mkvextract: 5)
 |  + Track UID: 6
 |  + Track type: subtitles
-|  + Default track flag: 1
 |  + Lacing flag: 0
 |  + Codec ID: S_HDMV/PGS
-|  + Language: eng
-| + EBML void: size 35
+|  + Content encodings
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+|  + Track number: 7 (track ID for mkvmerge & mkvextract: 6)
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+|  + Track number: 8 (track ID for mkvmerge & mkvextract: 7)
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-| + EBML void: size 35
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+|    + Content compression
+|+ EBML void: size 1392
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+|  + MIME type: image/jpeg
+|  + File data: size 46151
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Re: MakeMKV Blu-Ray rips can't play on Roku, remux fixes it??

Posted: Fri Jul 31, 2020 6:37 pm
by timeshifter
I can't offer any insights, but I can confirm this happens to me as well on the same Roku model using Emby and direct play. It doesn't happen with every file, but definitely happens. This never happened before on this device - it started sometime early this year. So it's either due to a recent firmware update or to changes in recent disks. A remux/re-encode always fixes whatever the problem is, so my strategy is to have the re-encoded version finished and ready before attempting to watch the pure, unadulterated original so it's easy to switch and keep watching. Playback usually quits very early, like before opening credits, so at least there isn't much time wasted finding the right spot in the file that does play back.

Re: MakeMKV Blu-Ray rips can't play on Roku, remux fixes it??

Posted: Sun Aug 16, 2020 1:05 am
by thockin
Good to know, I guess. Anyone at MakeMKV? Clues?

Re: MakeMKV Blu-Ray rips can't play on Roku, remux fixes it??

Posted: Wed Aug 19, 2020 3:08 am
by tensign
Have you tried to Rename them to MP4 ?

Re: MakeMKV Blu-Ray rips can't play on Roku, remux fixes it??

Posted: Thu Aug 20, 2020 12:37 pm
by Woodstock
Any time you encode with a lossy encoder, there is some generational loss. It is, after all, a lossy encoder; you make adjustments to try to keep the losses to an acceptable level.

I use RF=20 for "full size" BD encodes, RF=22 for reduced size encodes from the same source.
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