hi there,
i have downloaded a hindi movie with apect ratio 2.1 but when i try to change it to 16:9 to get full screen,it is not changed
no matter what resolution and aspect ratio setting i do.
i have tried with bigasoft video converter,effectmatrix total video converter,handbrake etc
but not successful
if there is another software to achieve it,then tell me
please also tell me the detail steps to do it
following is the info of the video from mediainfo software:
File size : 700 MiB
Duration : 2h 23mn
Overall bit rate mode : Variable
Overall bit rate : 680 Kbps
Encoded date : UTC 2013-09-21 23:12:56
Tagged date : UTC 2013-09-21 23:34:15
Writing application : HandBrake 0.9.8 2012071700
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L2.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2h 23mn
Bit rate mode : Variable
Bit rate : 599 Kbps
Width : 640 pixels
Height : 304 pixels
Display aspect ratio : 2.105
Frame rate mode : Variable
Frame rate : 23.976 fps
Minimum frame rate : 23.810 fps
Maximum frame rate : 24.390 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.128
Stream size : 617 MiB (88%)
Writing library : x264 core 120
Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=2 / 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=6 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=10 / rc=2pass / mbtree=1 / bitrate=599 / ratetol=1.0 / qcomp=0.60 / qpmin=3 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2013-09-21 23:12:56
Tagged date : UTC 2013-09-21 23:34:15
Color primaries : BT.601 NTSC
Transfer characteristics : BT.709
Matrix coefficients : BT.601
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 2h 23mn
Bit rate mode : Variable
Bit rate : 75.9 Kbps
Maximum bit rate : 83.7 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Delay relative to video : 83ms
Stream size : 78.2 MiB (11%)
Language : Hindi
Encoded date : UTC 2013-09-21 23:12:56
Tagged date : UTC 2013-09-21 23:34:12
Menu
ID : 3
Codec ID : text
Duration : 2h 23mn
Encoded date : UTC 2013-09-21 23:12:56
Tagged date : UTC 2013-09-21 23:34:15
Bit rate mode : VBR
please help
thanks
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You must crop it or zoom using your player. It wont help just changing the aspect ratio flags or just resizing.
In for example handbrake can you crop under the picture tab. Crop for example 50 pixels left and 50 pixels right and you will get a size of 540x304 = 16:9 -
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Both methods works. It's just a matter what you like...distorted/stretched or cropped image.
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Did you highlight the video stream, press Properties, then input a Custom Pixel Aspect Ratio (11:13 should be about right) before saving? What player are you using? Be sure it's set to honor aspect ratio flags.
And, of course, you do realize a 2.105:1 movie is not supposed to fill a 16:9 TV, right? -
Display Aspect Ratio = Frame Aspect Ratio * Sample Aspect Ratio
DAR = FAR * SAR
Sometimes these have slightly different names, for example SAR is also known as the Pixel Aspect Ratio or PAR, Frame Aspect Ratio is sometimes known as the Storage Aspect Ratio (again SAR, but a different SAR)
However, regardless of the naming conventions - they indicate the same thing
FAR is the w:h of the frame dimensions
SAR can be thought of as the w:h of the pixels
So
16/9 = 640/304 * x/y
Solve for x/y ; = 0.844444 or it's approximately 11/13 . Or 211111/250000 to be more precise -
thanks for explaining
but how is .84444 equals 11/13
i am not that strong at maths -
11/13 was just a quick approximation. That's why he said "should be about right"
11/13 =~ 0.84615
You can use online decimal to fraction calculators if you want. Search google, enter 0.844444 or whatever number and they will convert it to fraction for you
You probably won't notice the AR error if it's a bit off. Your "downloaded" movie probably didn't have the precisely correct AR to begin with, and you are "squishing" it , distorting the image anyways. So don't worry about it -
Or you could simply enter 1.778:2.105. But I don't think you can use decimal values -- so use 1778:2105.
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Last edited by jodiac; 11th Apr 2014 at 00:39.
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Last edited by jodiac; 11th Apr 2014 at 02:31.
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A 2.41 DAR movie is supposed to be viewed as 2.4:1, not 1.78:1 or 1.33:1 or any other arbitrary aspect ratio. But if you must, the math for distorting it to fill the screen is simple:
Code:DAR = FAR * SAR DAR = display aspect ratio, the final shape of the picture FAR = frame aspect ratio, the relative frame dimensions 1920/816 in this case SAR = sample aspect ratio, the shape of individual pixels
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i dont understand why anyone wants to view a movie that was produced as what i call "cimema" mode (that is 1920x816, or any vertical resolution under 1080) in any other way than it plays on the tv.
when a 1920x816 video plays on a HD tv you get a normal display with no distortion, but there is 132 lines top & bottom that will be black, and thats the way it was intended to be played, like watching it in a cinema, and its only like this because the tv is 1920x1080 and not 1920x816 resolution.
the same applies to a 720x480 dvd when upscaled to display on your HD tv, if you wanted it to play full screen but not lose any picture, it will maintain the full vertical picture correctly, but it will be stretched horizontally each side to fill the screen, hence you get massive distortion as if it is squashed downwards.
anyway, its insane, if you want this, the TV manufacturers need to make "cinema" tv's with a resolution like 1920x816 or whatever the real vertical resolution is.
here is a james bond movie which was produced exactly like the ones you are talking about, it displays with black bars on any 16x9 ratio screen, and thats just the way its meant to play, just imagine it displaying the full width, but pushing it up and down to fill the vertical lines, the picture gets stretched up and down, their heads will look like a football
Last edited by glenpinn; 11th Apr 2014 at 10:17.
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They already sell such (21:9) TVs and computer monitors.
https://en.wikipedia.org/wiki/21:9_aspect_ratio
Of course, jodiac would complain that all the 16:9 TV shows don't fill the width of his 21:9 screen. He should do what movie theaters do: use moveable curtains to cover the unused part of the screen. -
yeah, so he would then need to stretch the 16x9 picture sideways and distort it even more than it would be the other way
but the guy reckons he got it without distortion, maybe it displays the 816 lines to the full 1080 vertical resolution, but as the picture was expanded to fit, it lost some picture from both sides and he hasn not noticed it.
Last edited by glenpinn; 11th Apr 2014 at 11:04.
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yes i agree, this is what you get by trying to fill those black horizontal bars top and bottom when playing a 1920x816 (or whatever size) movie, but maintain the picture horizontally, if someone cant see the distortion then they have a serious issue.
how a 1920x816 movie should play on a 16x9 widescreen tv, i call it "cinema mode" video
1920x816 stretched to fill the screen vertically to fill the 132 black bars top and bottom
if the OP tried to play a 16x9 ratio movie on a an ultra wide 21x9 tv to fill the screen, the opposite will happen where the picture is maintained vertically top to bottom, but gets forced widthways, so the image is squashed in the opposite direction to this image here.
anyway, my brother has his 55" plasma which would normally display a 4x3 ratio picture at full height but because it is more square the sides of the screen are filled with black bars to fill the vacant unused horizontal lines, so he set his tv up so it stretches 4x3 ratio tv shows and movies to fill the screen width, and when i see cars and peoples heads, it looks like they are flattened, and every time i go there and he has something playing like that, i tell him, and he reckons there is nothing wrong with it.
you just cant tell some people, but its a fact, thats how it has to appear.
BTW i have not seen a 21x9 tv or screen here in australia yet.Last edited by glenpinn; 11th Apr 2014 at 18:58.
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