I have a Premiere sequence. 1280x720, 29.97fps.
I output it as an ac3 file for audio, and an AVI file for video. The AVI plays fine.
I brought it into MeGUI and created a .264 file. It plays back in slow motion when using PowerDVD.
I muxed it with the audio in MKVToolnixGUI. It plays back at fast speed, and the video runs out long before the audio does.
I muxed it again with MKVToolnixGUI, this time manually setting the frame rate. This plays back fine on my PC but when I load it onto my Emby server and play it back on my LG TV, the playback speed is all over the place. Audio is fine, but the video just randomly speeds up and slows down.
AVI file:
.264 file:Code:General Complete name : L:\zzvideo.avi Format : AVI Format/Info : Audio Video Interleave Format profile : OpenDML File size : 137 GiB Duration : 2 h 39 min Overall bit rate : 123 Mb/s Recorded date : 2020-01-23T12:22:13+08:00 Video ID : 0 Format : YUV Codec ID : ULH2 Codec ID/Info : Ut Video Lossless Codec Codec ID/Hint : Ut Video Duration : 2 h 39 min Bit rate : 123 Mb/s Width : 1 280 pixels Height : 720 pixels Display aspect ratio : 16:9 Frame rate : 29.970 (30000/1001) FPS Color space : YUV Chroma subsampling : 4:2:2 Compression mode : Lossless Bits/(Pixel*Frame) : 4.439 Time code of first frame : 00:00:00:00 / 00:00:00:00 Time code source : Adobe tc_A / Adobe tc_O Stream size : 137 GiB (100%)
AC3 file:Code:General Complete name : L:\zzmegui.264 Format : AVC Format/Info : Advanced Video Codec File size : 4.92 GiB Writing library : x264 core 157 r2969 d4099dd Encoding settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=1 / constrained_intra=0 / bframes=3 / b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=1 / weightp=1 / keyint=30 / keyint_min=1 / scenecut=0 / intra_refresh=0 / rc=cqp / mbtree=0 / qp=23 / ip_ratio=1.40 / pb_ratio=1.30 / aq=0 Video Format : AVC Format/Info : Advanced Video Codec Format profile : High@L4.1 Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Frame mode : Frame doubling Width : 1 280 pixels Height : 720 pixels Display aspect ratio : 16:9 Frame rate : 29.970 (30000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Writing library : x264 core 157 r2969 d4099dd Encoding settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=1 / constrained_intra=0 / bframes=3 / b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=1 / weightp=1 / keyint=30 / keyint_min=1 / scenecut=0 / intra_refresh=0 / rc=cqp / mbtree=0 / qp=23 / ip_ratio=1.40 / pb_ratio=1.30 / aq=0 Color range : Limited Color primaries : BT.709 Transfer characteristics : BT.709 Matrix coefficients : BT.709
MKV file that plays back too fast (video ends at approximately 1h 20m):Code:General Complete name : L:\zzaudio.ac3 Format : AC-3 Format/Info : Audio Coding 3 File size : 256 MiB Duration : 2 h 39 min Overall bit rate mode : Constant Overall bit rate : 224 kb/s Audio Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Duration : 2 h 39 min Bit rate mode : Constant Bit rate : 224 kb/s Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 spf) Bit depth : 16 bits Compression mode : Lossy Stream size : 256 MiB (100%)
MKV file that plays back correctly on PC but is all over the place on LG:Code:General Complete name : L:\zzmuxed.mkv Format : Matroska Format version : Version 4 / Version 2 File size : 5.17 GiB Duration : 2 h 39 min Overall bit rate : 4 627 kb/s Encoded date : UTC 2020-01-24 06:57:03 Writing application : mkvmerge v40.0.0 ('Old Town Road + Pony') 64-bit Writing library : libebml v1.3.9 + libmatroska v1.5.2 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : High@L4.1 Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Frame mode : Frame doubling Codec ID : V_MPEG4/ISO/AVC Duration : 1 h 19 min Bit rate : 8 802 kb/s Width : 1 280 pixels Height : 720 pixels Display aspect ratio : 16:9 Frame rate mode : Variable Frame rate : 59.940 (60000/1001) FPS Original frame rate : 29.970 (30000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.159 Stream size : 4.92 GiB (95%) Writing library : x264 core 157 r2969 d4099dd Encoding settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=1 / constrained_intra=0 / bframes=3 / b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=1 / weightp=1 / keyint=30 / keyint_min=1 / scenecut=0 / intra_refresh=0 / rc=cqp / mbtree=0 / qp=23 / ip_ratio=1.40 / pb_ratio=1.30 / aq=0 Default : Yes Forced : No Color range : Limited Color primaries : BT.709 Transfer characteristics : BT.709 Matrix coefficients : BT.709 Audio ID : 2 Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Codec ID : A_AC3 Duration : 2 h 39 min Bit rate mode : Constant Bit rate : 224 kb/s Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 spf) Bit depth : 16 bits Compression mode : Lossy Stream size : 256 MiB (5%) Title : Dolby Digital 2.0 Language : English Default : Yes Forced : No Menu 00:00:00.000 : en:Chapter 1 00:09:08.715 : en:Chapter 2 00:24:45.751 : en:Chapter 3 00:26:10.202 : en:Chapter 4 00:39:58.463 : en:Chapter 5 00:59:22.659 : :Chapter 6 01:01:21.444 : :Chapter 7 01:02:51.868 : en:Chapter 8 01:11:16.305 : en:Chapter 9 01:23:49.558 : en:Chapter 10 01:25:53.115 : en:Chapter 11 01:28:43.451 : en:Chapter 12 01:49:56.957 : en:Chapter 13 01:52:01.682 : en:Chapter 14 01:53:52.793 : :Chapter 15 02:29:04.235 : en:Chapter 16 02:33:32.937 : en:Chapter 17
Code:General Format : Matroska Format version : Version 4 / Version 2 File size : 5.17 GiB Duration : 2 h 39 min Overall bit rate : 4 627 kb/s Encoded date : UTC 2020-01-23 17:15:35 Writing application : mkvmerge v40.0.0 ('Old Town Road + Pony') 64-bit Writing library : libebml v1.3.9 + libmatroska v1.5.2 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : High@L4.1 Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Frame mode : Frame doubling Codec ID : V_MPEG4/ISO/AVC Duration : 2 h 39 min Bit rate : 4 401 kb/s Width : 1 280 pixels Height : 720 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 29.970 (30000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.159 Stream size : 4.92 GiB (95%) Writing library : x264 core 157 r2969 d4099dd Encoding settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=1 / constrained_intra=0 / bframes=3 / b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=1 / weightp=1 / keyint=30 / keyint_min=1 / scenecut=0 / intra_refresh=0 / rc=cqp / mbtree=0 / qp=23 / ip_ratio=1.40 / pb_ratio=1.30 / aq=0 Default : Yes Forced : No Color range : Limited Color primaries : BT.709 Transfer characteristics : BT.709 Matrix coefficients : BT.709 Audio ID : 2 Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Codec ID : A_AC3 Duration : 2 h 39 min Bit rate mode : Constant Bit rate : 224 kb/s Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 spf) Bit depth : 16 bits Compression mode : Lossy Stream size : 256 MiB (5%) Title : Dolby Digital 2.0 Language : English Default : Yes Forced : No Menu 00:00:00.000 : en:Chapter 1 00:09:08.715 : en:Chapter 2 00:24:45.751 : en:Chapter 3 00:26:10.202 : en:Chapter 4 00:39:58.463 : en:Chapter 5 00:59:22.659 : :Chapter 6 01:01:21.444 : :Chapter 7 01:02:51.868 : en:Chapter 8 01:11:16.305 : en:Chapter 9 01:23:49.558 : en:Chapter 10 01:25:53.115 : en:Chapter 11 01:28:43.451 : en:Chapter 12 01:49:56.957 : en:Chapter 13 01:52:01.682 : en:Chapter 14 01:53:52.793 : :Chapter 15 02:29:04.235 : en:Chapter 16 02:33:32.937 : en:Chapter 17
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My guess is you selected "Target Playback Device:" "Blu-Ray" and MeGUI auto-inserts --pulldown double because 720p29.97 is not Blu-Ray compatible while 720p59.94 is. MeGUI's log should show the actual full command-line used.
tl;dr: Don't select Blu-Ray as target device if you are creating mkvs.
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