Here's the setup:
Rip: MakeMKV 1.12.2 on Win10 x64 (problem also occurred with 1.12.0)
Encode: Handbrake 1.1.0 on Debian x64 (also occurred with 1.0.7).
POTC 1/2/3 - MPEG4 with LPCM 24bit 48KHz audio. Encoding to HEVC and 24-bit FLAC.
Briefly my results:
POTC 1 - final HEVC file appears intact w/metadata, but there is no audio playback at all
POTC 2 - final HEVC file appears intact w/metadata, but there are frequent skips/gaps in audio playback
POTC 3 - final HEVC file appears intact w/metadata, so far I have not found any audio defects
Playback was tested with the latest builds of VLC and MPC-HC, identical results. Neither player produces any kind of warnings or errors, so it does not appear to be an issue with decoding the HEVC file.
I ripped and encoded these as a batch using the same workflow I've done for 150+ already in my library. In this case, PCM is the only lossless track available and needs to be converted to FLAC for downstream compatibility reasons. I have used FLAC for titles with PCM audio plenty of times before without issue.
Since POTC 3 passed a spot check, I purged the original source rips/logs before becoming aware of the problem, so since then I've been focusing just on POTC 1. I've re-ripped it multiple times, with identical results - no MakeMKV errors and identical output files. No errors or warnings in the MakeMKV debug log. The original ripped MKV appears perfectly normal and plays back with audio throughout. Likewise, Handbrake performs the encode with no errors or other unusual output except for the following when beginning the job:
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[14:17:29] scan: decoding previews for title 1 [14:17:29] scan: audio 0x1: pcm_s24le, rate=48000Hz, bitrate=6912000 English (pcm_s24le) (5.1 ch) Scanning title 1 of 1, preview 6, 60.00 %[14:17:34] scan: could not get a decoded picture Scanning title 1 of 1, preview 9, 90.00 %[14:17:36] scan: could not get a decoded picture Scanning title 1 of 1, preview 10, 100.00 %[14:17:37] scan: 8 previews, 1920x1080, 23.976 fps, autocrop = 140/140/0/4, aspect 16:9, PAR 1:1
I haven't had a need to carefully watch all of my encode logs as this is the first real problem I've had, but I'm pretty sure I haven't seen this message before. Some brief searching found a few hits referencing running Handbrake against encrypted DVDs, but nothing specific to what I'm seeing. The issue would appear to be with the source media; I do all this with scripts, and the same script that produced the defective POTC 1 HEVC also produced the intact POTC 3 HEVC.
I'm just at a loss as to what the problem is, since there are no MakeMKV warnings and the source file appears perfect, unless it's Cinavia...but my neanderthal understanding was that Cinavia was only a concern if I was creating an "actual" Blu-Ray Disc and playing back with an actual player or software like Powerdvd/etc. I also have at least two other Cinavia-protected titles (Inglourious Basterds, Looper) that I had no trouble with. The physical disks are in excellent condition and clean with no apparent defects.
I'm not sure what to look for next! Is this copy protection, a MakeMKV error/decryption problem, bad metadata, a Handbrake error?
Handbrake job final output - no errors:
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[11:09:04] pcm_s24le-decoder done: 257847 frames, 0 decoder errors [11:09:04] h264-decoder done: 206071 frames, 0 decoder errors [11:09:04] sync: got 206071 frames, 206071 expected [11:09:04] sync: framerate min 23.981 fps, max 23.981 fps, avg 23.976 fps x265 [info]: frame I: 2574, Avg QP:22.57 kb/s: 13532.84 x265 [info]: frame P: 49897, Avg QP:23.23 kb/s: 7036.89 x265 [info]: frame B: 153600, Avg QP:23.29 kb/s: 5555.61 x265 [info]: Weighted P-Frames: Y:5.9% UV:4.0% x265 [info]: consecutive B-frames: 7.9% 5.0% 14.5% 31.8% 40.9% encoded 206071 frames in 10108.39s (20.39 fps), 6013.92 kb/s, Avg QP:23.27 [11:09:04] mux: track 0, 206071 frames, 6461940781 bytes, 6014.63 kbps, fifo 102 4 [11:09:04] mux: track 1, 89531 frames, 1527079130 bytes, 1421.37 kbps, fifo 512 [11:09:04] mux: track 2, 3851 frames, 24604038 bytes, 22.90 kbps, fifo 32 [11:09:04] libhb: work result = 0 Encode done! HandBrake has exited.
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General Unique ID : 181386109479906251148306218139020131357 (0x8875B1A84D2764958FB423B796C37C1D) Complete name : \\blah\scratch\rip-input\title00.mkv Format : Matroska Format version : Version 2 File size : 27.0 GiB Duration : 2 h 23 min Overall bit rate : 27.0 Mb/s Encoded date : UTC 2018-05-05 16:36:01 Writing application : MakeMKV v1.12.2 win(x64-release) Writing library : libmakemkv v1.12.2 (1.3.5/1.4.7) win(x64-release) Video ID : 1 ID in the original source medium : 4113 (0x1011) Format : AVC Format/Info : Advanced Video Codec Format profile : High@L4.1 Format settings : CABAC / 3 Ref Frames Format settings, CABAC : Yes Format settings, RefFrames : 3 frames Format settings, GOP : M=3, N=24 Codec ID : V_MPEG4/ISO/AVC Duration : 2 h 23 min Bit rate : 20.1 Mb/s Width : 1 920 pixels Height : 1 080 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 23.976 (24000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.403 Stream size : 20.1 GiB (74%) Language : English Default : No Forced : No Original source medium : Blu-ray Audio ID : 2 ID in the original source medium : 4352 (0x1100) Format : PCM Format settings : Little / Signed Codec ID : A_MS/ACM / 00000001-0000-0010-8000-00AA00389B71 Duration : 2 h 23 min Bit rate mode : Constant Bit rate : 6 912 kb/s / 6 912 kb/s Channel(s) : 6 channels Channel positions : Front: L C R, Side: L R, LFE Sampling rate : 48.0 kHz Frame rate : 30.000 FPS (1600 SPF) Bit depth : 24 bits Stream size : 6.92 GiB (26%) Title : Surround 5.1 Language : English Default : Yes Forced : No Original source medium : Blu-ray Text ID : 3 ID in the original source medium : 4608 (0x1200) Format : PGS Codec ID : S_HDMV/PGS Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs Duration : 2 h 12 min Bit rate : 24.7 kb/s Count of elements : 3851 Stream size : 23.5 MiB (0%) Language : English Default : No Forced : No Original source medium : Blu-ray Menu 00:00:00.000 : en:Chapter 01 00:08:51.280 : en:Chapter 02 00:16:05.547 : en:Chapter 03 00:27:16.343 : en:Chapter 04 00:35:59.323 : en:Chapter 05 00:41:02.960 : en:Chapter 06 00:48:19.938 : en:Chapter 07 00:54:01.279 : en:Chapter 08 01:04:05.675 : en:Chapter 09 01:15:56.802 : en:Chapter 10 01:21:21.418 : en:Chapter 11 01:35:00.152 : en:Chapter 12 01:40:00.744 : en:Chapter 13 01:48:15.614 : en:Chapter 14 02:02:02.189 : en:Chapter 15 02:13:09.648 : en:Chapter 16