HandBrake giving me variable frame rate when I asked for constant

[Bruce Wayne]

Here's the MediaInfo of the original video.

General
Complete name : C:\Users\Bruce\Desktop\test.mkv
Format : Matroska
Format version : Version 2
File size : 1.99 MiB
Duration : 2s 95ms
Overall bit rate : 7 949 Kbps
Writing application : libmatroska 1.4.1
Writing library : SolveigMM Matroska Muxer Version 1.0.1502.18

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 2s 85ms
Width : 1 904 pixels
Height : 1 072 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Language : English
Default : No
Forced : No
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : A_AAC
Duration : 2s 95ms
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Frame rate : 46.875 fps (1024 spf)
Compression mode : Lossy
Delay relative to video : 10ms
Language : English
Default : No
Forced : No

Here are the instructions I gave HandBrake.

Container mp4, not web optimized, no change to the resolution, anamorphic loose, modulus 2, cropping automatic, detelecine off, deinterlace off, denoise off, deblock off, grayscale off, video codec H.264 (x264), fps same as source and constant, quality constant at 0, x264 preset ultrafast, x264 tune none, fast decode off, h.264 profile high, h.264 level 5.1, no extra options, audio source 1 English (AAC) (2.0 ch), codec AAC (avcodec), bitrate blank, mixdown none.

Here's the MediaInfo of the resultant video.

General
Complete name : C:\Users\Bruce\Desktop\test.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42 (isom/iso2/avc1/mp41)
File size : 33.3 MiB
Duration : 2s 86ms
Overall bit rate mode : Variable
Overall bit rate : 134 Mbps
Encoded date : UTC 2016-04-17 21:24:18
Tagged date : UTC 2016-04-17 21:24:18
Writing application : HandBrake 0.10.5 2016021100

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline@L5.1
Format settings, CABAC : No
Format settings, ReFrames : 1 frame
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2s 86ms
Bit rate : 134 Mbps
Width : 1 904 pixels
Height : 1 072 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 23.976 (24000/1001) fps
Minimum frame rate : 23.974 fps
Maximum frame rate : 23.981 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 2.734
Stream size : 33.3 MiB (100%)
Writing library : x264 core 142 r2479 dd79a61
Encoding settings : cabac=0 / ref=1 / deblock=0:0:0 / analyse=0:0 / me=dia / subme=0 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=3 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=0 / keyint=240 / keyint_min=24 / scenecut=0 / intra_refresh=0 / rc_lookahead=0 / rc=crf / mbtree=0 / crf=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=240000 / vbv_bufsize=240000 / crf_max=0.0 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=0
Encoded date : UTC 2016-04-17 21:24:18
Tagged date : UTC 2016-04-17 21:24:18
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 2s 48ms
Bit rate mode : Variable
Bit rate : 167 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Frame rate : 46.875 fps (1024 spf)
Compression mode : Lossy
Stream size : 41.7 KiB (0%)
Title : Stereo / Stereo
Language : English
Default : Yes
Alternate group : 1
Encoded date : UTC 2016-04-17 21:24:18
Tagged date : UTC 2016-04-17 21:24:18

Could someone please explain this to me?

[sneaker]

https://forum.videohelp.com/threads/375370-Handbrake-encoding-at-Variable-FPS-when-Cons...=1#post2419520

[Bruce Wayne]

https://forum.videohelp.com/threads/375370-Handbrake-encoding-at-Variable-FPS-when-Cons...=1#post2419520

Great, thanks.

[deadmeow]

Set it for constant frame rate, and then pick the correct frame rate in the above click box(change from "same as source").

[Bruce Wayne]

Set it for constant frame rate, and then pick the correct frame rate in the above click box(change from "same as source").

Tried that, didn't work. Still gave me variable.