Aspect Ratio for MKV Files - Galaxy Tab 10.1 Q&A, Help & Troubleshooting

I have two identical videos, both encoded using Handbrake, one an MP4 and one an MKV.
Here's the dilemma.
The MKV is a better container, plays well and in correct ratio on the PC in DivX Player but the aspect ratio is wrong on the Galaxy Tab and the three options cycling through the display aspects, stretch, fill, zoom etc, don't give me the correct ratio.
The MP4 however does play on the Tab correctly, and will play in DivX and QuickTime but I need to manually change the aspect ratio. Meh.
The stored display ratios look correct in the MKV header.
Any other thoughts?
Ta
Simon

Anyone got anything yet?
Anyone also noted that videos play way too dark on the Tab?

Related

VLC media streaming aspect ratio to tall from pc to Atrix and webdock

using vlc streaming to get movies from my phone, working really well. just fire up vlc on your pc and change a couple settings.
my only issue is the videos are squeezed and aspect ratio is stretched vertical. the aspect ratio no matter what the input video always outputs a stream that is tall and skinny. i have tried changing the aspect on every vlc setting on phone with no luck. also tried using mp4 for the codec instead of h264, still the same issues with incorrect aspect ratio. looks like a 16:9 got smushed into a 4x3 or worse.
Apart from that, the player works very well no dropped frames, any format that your pc vlc can play works in the phone now since the pc converts on the fly. my quad core i7 760 uses about 15% processor to stream live.
http://traveldevel.com/vlc-stream-convert/setup
Thanks for the help

[Q] Multimedia Audio/ Video app like coreplayer?

I'm looking for an app that can playback the videos I used to convert to use in windows mobile coreplayer. I'm running an htc hd2 which has a display resolution of 800x480 and an aspect ratio of 5:3. I convert all my movies to pan and scan to 5:3 aspect ratio. What that does is, It allows the video to automatically fill the entire screen at 1:1 pixel perfect quality depending on the source resolution. So i tried the same method with Android 2.3.3 with my htc hd2 using VitalPlayer, which I feel is the best video I've been able to find. I hate having an audio app "PowerAMP" and a seperate extremely limited Video Player. So my problem is when i playback a 5:3 aspect ratio pan and scan 800x480 video on any player in android, it displays everything stretched vertically but it fills the screen. Coreplayer displayed it flawlessly as I had intended. I use Xilisoft Video Converter HD. I use .mp4 avc format with cuda support. This method worked great on Coreplayer. What should I do? Actually I remember I had to set the aspect ratio on coreplayer to Square to display it correctly. Thanks.
Question - What is a good video player that can playback all the formats vitalplayer or even coreplayer does preferably and have some options to change/ adjust the aspect ratio and zoom and more?
Actually I re did it at 5:3 and now it displays perfectly. lol. my bad. I had my aspect ratios messed up, now wonder. User error all along.
1chris89 said:
Actually I re did it at 5:3 and now it displays perfectly. lol. my bad. I had my aspect ratios messed up, now wonder. User error all along.
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Which one is it ?
Im looking for Players for Android, like -
VIDEO-
CorePlayer
TCMP player
AUDIO-
S2P v.1.4
MortPlayer 3.31
the best part about these players is it starts from exactly the place you stop it
Please Help

[Q] What video codecs for hardware acceleration?

I have a bunch of 1080p MKV movies that I want to convert into mobile versions for the Galaxy S II, but does anyone know what codecs I should use in order to take advantage of better battery life?
I play to shrink these down to 800x480 res. Any recommendations on bitrate too?
Also, any software or guides recommended to convert MKV to whatever codec has hardware acceleration for this phone?
All the video formats that the phone can play natively are hardware accelerated. So u can choose from MP4, avi, FLV and so on.....
I don't have much knowledge regarding the subject. But here's what I gathered:
According to Wikipedia:
The Exynos 4210, unlike Tegra 2, features support for ARM's SIMD engine (Media Processing Engine, a.k.a NEON instructions) and this may have a significant performance advantage in some cases over Tegra 2 in critical performance situations such as accelerated decoding for multiple multimedia codecs and formats (e.g., On2's VP6/7/8 or Real formats).
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Now, to take advantage of that hardware there also needs to be software that supports it.
MoboPlayer is one such software, that I know of, which has "ARM V7_NEON" playback codec and so it will fully utilize Galaxy S2 resources.
As to regards to which format you should convert...
On the MoboPlayer website is said that: "Almost all video formats(need to choose "software decoding" mode inmost cases)."
So I suppose what you need to do, is to disable "software decoding" mode and see what video formats will be supported in hardware mode.
stra said:
I don't have much knowledge regarding the subject. But here's what I gathered:
According to Wikipedia:
Now, to take advantage of that hardware there also needs to be software that supports it.
MoboPlayer is one such software, that I know of, which has "ARM V7_NEON" playback codec and so it will fully utilize Galaxy S2 resources.
As to regards to which format you should convert...
On the MoboPlayer website is said that: "Almost all video formats(need to choose "software decoding" mode inmost cases)."
So I suppose what you need to do, is to disable "software decoding" mode and see what video formats will be supported in hardware mode.
Click to expand...
Click to collapse
I live in the US and we don't have the SGS2 released here yet. Can anyone who has the phone already, please test this out and let us know which codecs are hardware accelerated with MoboPlayer?
I found this guide for transcoding:
http://forum.videohelp.com/threads/211070-How-to-convert-MKV-to-AVI-or-OGM-to-AVI-using-mencoder
I don't think there is an "optimum" bitrate because that is going to vary depending on content, ie, number of fast motion scenes. Maybe encode it in VBR and set the top limit fairly high.
I know this phone will handle 1080p MKV, but some of my mkv files are like 12gb!
Hi, dont bother with anything else, handbrake should be your tool of choice. There are various templates included but I usually just set it to MP4 high profile and choose the file size I want, handbrake then does the rest and bloody well too.
Do a search on here for handbrake, there may already be threads about it, note though you should only really have to re-encode if you movies are over 4 gig (fat 32 limit) as I haven't found a file this phone wont play yet with one player or another. My players of choice are always stock first, then mobo, then DICE.
stoolzo said:
Hi, dont bother with anything else, handbrake should be your tool of choice. There are various templates included but I usually just set it to MP4 high profile and choose the file size I want, handbrake then does the rest and bloody well too.
Do a search on here for handbrake, there may already be threads about it, note though you should only really have to re-encode if you movies are over 4 gig (fat 32 limit) as I haven't found a file this phone wont play yet with one player or another. My players of choice are always stock first, then mobo, then DICE.
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Thanks mate! Actually, I'm getting this phone for my GF for our anniversary and she's a big Harry Potter geek, she has all the books and blu-ray. I've already converted her blu-rays to MKV so she can have them all on the XPS 15, but I was hoping to convert the MKV down to a mobile friendly format.
All the HP movies add up to 80gb so I can't just copy the MKV's on there, that's why I was thinking of transcoding again.
I did find this bit of info on the Exynos:
http://www.samsung.com/us/business/oem-solutions/pdfs/Exynos_v11.pdf
1080p Video Encode/Decode
- H.264 30fps
- MPEG-4 30fps
- VC-1 30fps
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It doesn't say what container it supports but from what you say, it sounds like MP4 is the way to go. Thanks for the Handbrake tip!
one thing you should aware of is that if you intend to get the MHL>HDMI adapter at some point you may want to transcode at a resolution a little higher as it wont look great on the TV. If you are just playing on the phone then you can get them down to a fraction of the size. I found the best thing to do was to find a smaller film clip that was encoded as 1080 MKV and run off some tests, then save off the template and batch convert the log. I converted all my start trek films from 8 gig to 2 gig a piece, I left them at 1080p but set the file size down to 2 gig. The all look great on my Phone and still really good on my TV through the HDMI, best of both worlds.
stoolzo said:
one thing you should aware of is that if you intend to get the MHL>HDMI adapter at some point you may want to transcode at a resolution a little higher as it wont look great on the TV. If you are just playing on the phone then you can get them down to a fraction of the size. I found the best thing to do was to find a smaller film clip that was encoded as 1080 MKV and run off some tests, then save off the template and batch convert the log. I converted all my start trek films from 8 gig to 2 gig a piece, I left them at 1080p but set the file size down to 2 gig. The all look great on my Phone and still really good on my TV through the HDMI, best of both worlds.
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Wow, that's crazy! I doubt my gf will ever output these to a TV. I'm still playing with Handbrake's settings.
One thing I don't get about it is that HP is 1920x800'ish, so when I set it to 800, the height drops down to 336'ish.
I think I'd rather have it fullscreen and sacrifice cropping some of the sides, so I clicked ASPECT RATIO and set the height to 480.
Handbrake set the width to 1152, so I set a crop of 176 on left and right, to try to bring the final size back down to 800x480.
But Handbrake has some weird algorithm that doesn't seem to give the desired result? It changed the output size of the video on its own after I changed the cropping values.
So, I'm not quite sure how cropping is handling in Handbrake, is it done before or after the resolution is resized?
Mobo can't use HW video decoder. SW decoder use SIMD(NEON) instructions.
Exynos HW video decoder can decode 1080p.
Try diceplayer. it use HW video decoder in Exynos ( Multi Function Codec )
juami said:
Mobo can't use HW video decoder. SW decoder use SIMD(NEON) instructions.
Exynos HW video decoder can decode 1080p.
Try diceplayer. it use HW video decoder in Exynos ( Multi Function Codec )
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Click to collapse
Thanks but does it also depend on which container or codec the video is in?
I'm assuming that h.264 video in a MP4 container should be hardware accelerated right?
H264 in any container up to High Profile level 5.0

[Q] How to encode video for playback on NT?

Hi,
I'm trying to make MP4 files from my DVD archive to play on NT. I'm using MeGUI and I have been through that process a number of time for my PC. However, the problem I have with NT is that it seems it cannot playback 16:9 or other wide formats that have non-square pixels correctly: during playback, it shrinks the video to display it with square pixels. No need to say that the same files play correctly on a PC or other devices (Xbox 360, network media player, etc.).
One solution is to resize the video during encoding. I tried that with HandBrake (couldn't figure it out in MeGUI though) and encoded a PAL 16:9 video (in the standard 720x576 pixels forat) into an MP4 file with 1024x576 pixels. It worked and NT played the file beautifully. Still this process is less than ideal as it reduces the overall quality and wastes space.
Is there any way to keep the original video resolution and still make NT to play it correctly? Also it would be great to know how to do that with MeGUI (HandBrake is fine but misses a few critical features compared to MeGUI).
Thanks,
AlefSin

[Q]Video Conversion

I use Xilisoft to convert movies to MP4. I have done a few for this device. They look smooth most of the time but if the movie has alot of action in a scene the picture gets somewhat pixelated.
I have converted to the correct screen size and aspect ratio. Bit rate at 1200 and FPS at 29.97.
Any idea what the optimum settings would be for this device?
im not convert videos...
I use MX Video and i watch all formats (avi, mpeg, rmvb).
Last movie (yesteday), i see Farenheint 9-11, bitrate was 720 and very good image.

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