3D-Side-by-Side-Video to wide

[Valit]

Hi,

a few month ago i converted some 3d videos (mvc) into side-by-side-videos using avisynth and x264. the resolution of the video are 3840x1080. my 4k-tv from can play the videos as 3d and it worked fine - at that time. but now i tried it again and the resulting videos are to wide. the tv starts playing and i see both images, then i switch into 3d view and the tv starts playing the videos as 3d (there is only one picture with 3d effect) but that picture is as wide as the 3840x1080 video before - but now WITH 3d effect.

i used this script:

frimsource(codec="input.264", filename_dep="input.mvc", layout="sbs", cache=24, num_frames=5000)

and this is the x264 command line

x264 --level 4.1 --crf 21.5 --keyint 24 --b-pyramid strict --ref 4 --slices 4 --qpmin 10 --qpmax 51 --vbv-bufsize 30000 --vbv-maxrate 40000 --trellis 0 --aud --nal-hrd vbr --output "output.mkv" "input.avs"

this also doesn't work with the 3d-tv of my brother (also passive 4k from LG).

[sneaker]

Try adding "--frame-packing 3" to the x264 command. For already created file try Mkvtoolnix' Header Editor and set "video stereo mode" to "1". (It's possible to also H.264 flag though I don't know how stable the software is: H.264 Patcher and BD-Tools)

Are you sure there is no other manual 3D setting on the TV? Was your old file also 3840x1080? 3D is often only half the resolution: 1920x1080 (with each eye 960x1080).

[aedipuss]

i don't have a 4k 3d tv only a 1920x1080 3d tv but if the 4k version works the same way as the old ones it would expect 3840x2160 sbs video in order to create 3d. the video should have both parts of the 3d image in one frame i.e. two 1920x2160 half frames side by side.

[Cornucopia]

It may depend on what the "player" is: the TV itself playing via USB, or an external media player (incl HTPC) playing via HDMI. Also what version of HDMI 3D spec those TVs support - 1.4a, 1.4b, 2.0...

AFAIK, there are 3D TVs and there are 4k TVs, but not any truly 4k 3D TVs. I have an LG 4k TV with 3D: what it does is take a 1080p 1/2 size SBS or a 1080p 1/2 size TAB or (most likely) a 1080p24 Fullsize Frame-packed source image and turn it into a line alterating (aka FPR) pair of images. Each image of the 2 is coming in as 1920x1080@24FPS but being displayed as one 3840x2160@72Hz. I could be wrong as I've not tested all permutations, but pretty confident that's how it works.

Scott

[Valit]

I'll test --frame-packing 3 when i create the files new. set video stereo mode in mkvtoolnix editor doesm't work.

i'm sure the video files that worked a few month ago are 3840x1080, not 1920x1080 ore any other resolution. maybe i'be forgotten the frame-packing option in x264. i'll see.

[Cornucopia]

Part of the deal may be the difference between HDMI v1.4a and v1.4b and v2.0 compliance.
The earliest only supported 1/2 sized SBS and TAB (in addition to the BD-preferred FramePacking), but later versions added the full width versions, and maybe checkerboard too, as acceptable options.

Scott

[Valit]

Try adding "--frame-packing 3" to the x264 command.

doesn't work. i'm absolutely sure thta my tv can play this and i've tried it a few month ago - not 960x1080.

this is the mediainfo-output of the file. maybe i set 'frame-packing =3' at the wrong position?

cabac=1 / ref=4 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=24 / keyint_min=2 / scenecut=40 / intra_refresh=0 / rc_lookahead=24 / rc=crf / mbtree=1 / crf=21.5 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / vbv_maxrate=40000 / vbv_bufsize=30000 / crf_max=0.0 / nal_hrd=vbr / filler=0 / frame-packing=3 / ip_ratio=1.40 / aq=1:1.00