Rip completed with errors (FFMPEG_ERROR and Read Error) - should I be concerned?

[Blu-Shield]

Physical hardware: HL-DT-ST-BD-RE_BH16NS55
Firmware: ASUS-BW-16D1HT-3.10-WM01601-211901041014.bin except where otherwise noted
Operating system: Linux (Flathub package)
MakeMKV version: 1.17.8
Flathub package commit date: 2024-11-05 21:04:35 +0000
Flathub package commit ID: b55330a3ec8fe3f67e8c2db2481ee65ad0680e93d754b086d6dc1145733229d5

A number of my rips completed (as in, they managed to save every file I requested), but left error messages in the output window. Do these error messages indicate problems with the output files? Should I attempt to re-rip these titles?

The FFMPEG_ERROR messages resemble those reported at viewtopic.php?f=8&t=32918 - furthermore, they've only occured on discs with TrueHD 5.1 audio tracks (I've never seen FFMPEG_ERROR messages on my LPCM / lossy DTS / DTS-HD Master Audio rips). However, there are some differences compared to the report I linked to:

• The post I linked to discussed problems that occured when using MakeMKV to perform audio transcoding. I'm not using MakeMKV for transcoding purposes; I'm just using MakeMKV to rip to MKV files.
• I performed all of my rips using MakeMKV version 1.17.8, which is supposed to have fixed the bug described in that forum post
• Only some (Love Live! Sunshine!! Season 1, and the 2nd disc for orange) of my TrueHD 5.1 rips produced those FFMPEG_ERROR messages. Other TrueHD 5.1 rips (Psycho-Pass Season 1, Psycho-Pass 2, Psycho-Pass The Movie, and the 1st disc for orange), performed using the same version of MakeMKV and the same Flathub package version, didn't produce any errors in the output.
• Checking the output files with MediaInfo, I was unable to find the Channels_Original metadata field discussed in viewtopic.php?p=128049
• Checking the output files with MediaInfo, the Channels metadata field discussed at viewtopic.php?p=128049 always contains the correct value (6)

Output is shown below (note that debug mode was disabled during these rips - I captured the output simply by copy-pasting the text from the output window):

orange Blu-ray Disc 2

Note that, in addition to the FFMPEG_ERROR messages, this rip also produced a Read Error.

Code: Select all

MakeMKV v1.17.8 linux(x64-release) started
Using LibreDrive mode (v06.3 id=0FA242DD4D0B)
Using direct disc access mode
Loaded content hash table, will verify integrity of M2TS files.
File 00009.mpls was added as title #0
File 00010.mpls was added as title #1
File 00011.mpls was added as title #2
File 00012.mpls was added as title #3
File 00008.mpls was added as title #4
File 00021.mpls was added as title #5
File 00022.mpls was added as title #6
File 00002.m2ts was added as title #7
File 00003.m2ts was added as title #8
File 00004.m2ts was added as title #9
File 00005.m2ts was added as title #10
File 00006.m2ts was added as title #11
File 00024.m2ts was added as title #12
File 00025.m2ts was added as title #13
File 00008.m2ts was added as title #14
File 00028.m2ts was added as title #15
File 00029.m2ts was added as title #16
File 00030.m2ts was added as title #17
File 00031.m2ts was added as title #18
File 00032.m2ts was added as title #19
File 00033.m2ts was added as title #20
File 00034.m2ts was added as title #21
File 00035.m2ts was added as title #22
File 00036.m2ts was added as title #23
File 00037.m2ts was added as title #24
File 00038.m2ts was added as title #25
File 00039.m2ts was added as title #26
File 00040.m2ts was added as title #27
File 00041.m2ts was added as title #28
File 00042.m2ts was added as title #29
File 00043.m2ts was added as title #30
File 00044.m2ts was added as title #31
File 00045.m2ts was added as title #32
File 00050.m2ts was added as title #33
File 00051.m2ts was added as title #34
File 00052.m2ts was added as title #35
File 00053.m2ts was added as title #36
File 00054.m2ts was added as title #37
Operation successfully completed
Saving 37 titles into directory <REDACTED>/orange/BD_2
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7fbaf1c19b80] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7fbaf1c19b80] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7fbaf25aee00] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7fbaf25aee00] channel count mismatch
Encountered 1 errors of type 'Read Error' - see http://www.makemkv.com/errors/read/
37 titles saved

Love Live! Sunshine!! Season 1 Blu-ray Disc 1

Code: Select all

MakeMKV v1.17.8 linux(x64-release) started
Using LibreDrive mode (v06.3 id=0FA242DD4D0B)
Using direct disc access mode
Loaded content hash table, will verify integrity of M2TS files.
File 00009.mpls was added as title #0
File 00010.mpls was added as title #1
File 00011.mpls was added as title #2
File 00012.mpls was added as title #3
File 00013.mpls was added as title #4
File 00014.mpls was added as title #5
File 00015.mpls was added as title #6
File 00016.mpls was added as title #7
File 00017.mpls was added as title #8
File 00008.mpls was added as title #9
File 00021.mpls was added as title #10
File 00002.m2ts was added as title #11
File 00003.m2ts was added as title #12
File 00004.m2ts was added as title #13
File 00005.m2ts was added as title #14
File 00006.m2ts was added as title #15
File 00024.m2ts was added as title #16
File 00025.m2ts was added as title #17
File 00008.m2ts was added as title #18
File 00027.m2ts was added as title #19
File 00028.m2ts was added as title #20
File 00029.m2ts was added as title #21
File 00030.m2ts was added as title #22
File 00031.m2ts was added as title #23
File 00032.m2ts was added as title #24
File 00033.m2ts was added as title #25
File 00034.m2ts was added as title #26
File 00035.m2ts was added as title #27
File 00036.m2ts was added as title #28
File 00037.m2ts was added as title #29
File 00038.m2ts was added as title #30
File 00039.m2ts was added as title #31
File 00040.m2ts was added as title #32
File 00041.m2ts was added as title #33
File 00042.m2ts was added as title #34
File 00043.m2ts was added as title #35
File 00044.m2ts was added as title #36
File 00045.m2ts was added as title #37
File 00054.m2ts was added as title #38
Operation successfully completed
Saving 39 titles into directory <REDACTED>/Love Live Sunshine 1st Season/BD_1
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ed8d9b80] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ed8d9b80] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ede97b80] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ede97b80] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ede99700] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ede99700] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14edc32ec0] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14edc32ec0] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ee634ec0] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ee634ec0] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ef487000] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ef487000] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ef6a2340] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ef6a2340] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ef521a80] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14ef521a80] channel count mismatch
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14efb6dcc0] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7f14efb6dcc0] channel count mismatch
39 titles saved

Love Live! Sunshine!! Season 1 Blu-ray Disc 2

Note: This disc failed to rip 3 times using the ASUS firmware, so I reflashed my drive with HL-DT-ST-BD-RE_WH16NS60-1.02-NM00100-211810291936.bin firmware, in the hope of getting better results. The output shown below is from the rip I performed using WH16NS60 firmware.

Code: Select all

MakeMKV v1.17.8 linux(x64-release) started
Using LibreDrive mode (v06.3 id=7FA2657C7667)
Using direct disc access mode
Loaded content hash table, will verify integrity of M2TS files.
File 00009.mpls was added as title #0
File 00010.mpls was added as title #1
File 00011.mpls was added as title #2
File 00012.mpls was added as title #3
File 00008.mpls was added as title #4
File 00021.mpls was added as title #5
File 00023.mpls was added as title #6
File 00002.m2ts was added as title #7
File 00003.m2ts was added as title #8
File 00004.m2ts was added as title #9
File 00005.m2ts was added as title #10
File 00006.m2ts was added as title #11
File 00024.m2ts was added as title #12
File 00025.m2ts was added as title #13
File 00008.m2ts was added as title #14
File 00027.m2ts was added as title #15
File 00029.m2ts was added as title #16
File 00030.m2ts was added as title #17
File 00031.m2ts was added as title #18
File 00032.m2ts was added as title #19
File 00033.m2ts was added as title #20
File 00034.m2ts was added as title #21
File 00035.m2ts was added as title #22
File 00036.m2ts was added as title #23
File 00037.m2ts was added as title #24
File 00038.m2ts was added as title #25
File 00039.m2ts was added as title #26
File 00040.m2ts was added as title #27
File 00041.m2ts was added as title #28
File 00042.m2ts was added as title #29
File 00043.m2ts was added as title #30
File 00044.m2ts was added as title #31
File 00045.m2ts was added as title #32
File 00050.m2ts was added as title #33
File 00051.m2ts was added as title #34
File 00052.m2ts was added as title #35
File 00053.m2ts was added as title #36
File 00054.m2ts was added as title #37
Operation successfully completed
Saving 37 titles into directory <REDACTED>/Love Live Sunshine 1st Season/BD_2
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7fc42db95a80] No restart header present in substream 0.
FFMPEG_ERROR: FFDEC000: [truehd @ 0x7fc42db95a80] channel count mismatch
37 titles saved

[dcoke22]

I don't really know enough to have much to say about the FFMPEG_ERROR messages. I don't have much experience with MakeMKV on Linux.

Regarding the read error, however, I can make a comment. As a rule of thumb, if MakeMKV encounters an unrecoverable problem when ripping a disc, it won't produce output (more specifically, it'll delete the output it had up to the point of failure leaving you with nothing). If there is output, then MakeMKV thinks it is correct.

In MakeMKV's preferences, there is a read retry limit (on the IO tab). So when the drive reads a spot on the disc incorrectly, it retries until it gets a correct read or it hits the limit.