Database Users

so um.. videos?

ive tried 3 movies so far. monsters vs aliens, toy story 3, and v for vendetta. all mp4 1080i bluray rips. all i get is choppy and soundless. any suggestions or work arounds?

randytheshiv said:
ive tried 3 movies so far. monsters vs aliens, toy story 3, and v for vendetta. all mp4 1080i bluray rips. all i get is choppy and soundless. any suggestions or work arounds?
Click to expand...
Click to collapse
Same here with 720p and 1080p MKV. tried several. No sound and choppy. I don't even know what formats work. Video playback needs a lot of work.

you think it'll be a quick kinda thing? i used to have an epic and it tore those mkvs apart with pure awesomeness. i think proper video playback should be necessary for a tablet.

I Read Somwhere that this is Tegra 2 Problem. Somthing about having trouble rendering high profile Videos.

HorsexD said:
I Read Somwhere that this is Tegra 2 Problem. Somthing about having trouble rendering high profile Videos.
Click to expand...
Click to collapse
No its software, I was able to play a high quality 720p mkv perfectly on my tablet today; however the audio didn't work. If it can do the video, it can do both. Its a software issue.

Yeah, I was excited for HD Video while on my plane rides almost weekly. Nothing but choppy and no sound. Horrible!!

i like software issues. that means, hopefully, an easy fix is on the way. i see alot of otas in the future.

This is not a software issue. The tegra 2 cannot handle the bandwidth required for h.264 high profile. This is a known limitation.

randytheshiv said:
you think it'll be a quick kinda thing? i used to have an epic and it tore those mkvs apart with pure awesomeness. i think proper video playback should be necessary for a tablet.
Click to expand...
Click to collapse
It is absolutely horrible. I doubt a quick fix but hopefully something will be done. I can say if you do not own a Xoom and high quality playback is important to you, do not buy it until something is done. I refuse to convert everything to something that works. Hell, my Samsung Captivate phone can play these same files flawlessly.

HorsexD said:
I Read Somwhere that this is Tegra 2 Problem. Somthing about having trouble rendering high profile Videos.
Click to expand...
Click to collapse
That's correct. Same chip as the GTAB, the Adam, the VEGA etc. Sounds like the same issue with high profile videos. GTAB owners have been dealing with this for months, sorry to burst your bubble.
This chipset limitation is allegedly the reason why Boxee dropped the Tegra 2, last year. Use the excellent "mediainfo" to check your h.264 videos - if it's listed as high profile, it will choke (especially at 1080p).

I am considering purchasing the xoom my local BB has plenty in stock, i travel a lot and watch a lot of videos while traveling
i currently have an Archos 101 which by the way plays everything i throw at it flawlessly, so maybe i'll wait and see if the video playback gets better after some roms begin to appear

neonflx said:
I am considering purchasing the xoom my local BB has plenty in stock, i travel a lot and watch a lot of videos while traveling
i currently have an Archos 101 which by the way plays everything i throw at it flawlessly, so maybe i'll wait and see if the video playback gets better after some roms begin to appear
Click to expand...
Click to collapse
I left my comment already post #9 in this thread. I think you will be disappointed but that is me. Good luck.

So you guys are saying that all android tablets will not be able to play hd mkv files? WTF. Android has failed in the tablet market then. My single core epic4g plays them flawlessly. The single core iPad plays them flawlessly with xbmc. You are telling me a dual core CPU and an eight core gpu can't handle a 720p video??????
What use are the tablets then if they cannot play hd video? You don't need a dual core processor for browsing the internet and playing YouTube videos.

muyoso said:
So you guys are saying that all android tablets will not be able to play hd mkv files? WTF. Android has failed in the tablet market then. My single core epic4g plays them flawlessly. The single core iPad plays them flawlessly with xbmc. You are telling me a dual core CPU and an eight core gpu can't handle a 720p video??????
What use are the tablets then if they cannot play hd video? You don't need a dual core processor for browsing the internet and playing YouTube videos.
Click to expand...
Click to collapse
Couldn't agree more my friend. I think this will be corrected at some point but it is frustrating out of the box you can't play a decent HD video while I just saw a new Motorola Xoom commerical on CNN showing one playing flawlessly.

Holy crap, just read the anandtech review of the optimus 2x and it's not giving me a lot of confidence in Tegra 2. They specifically talk about how limited the video playback potential is and how h.264 videos have to be in a ridiculously specific format to play. Basically NVIDIA has been lying and has refuses to respond to its lies.
Edit: Basically, unless you specifically encode a video to fit within the parameters Nvidia needs, the video will not play well. There are very constained the limited parameters that the Tegra 2 seems to support, which may explain certain videos working without sound and others not playing at all.
http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Profiles
http://www.anandtech.com/show/4144/...ra-2-review-the-first-dual-core-smartphone/14
Its pretty disheartening to be reading threads where people are making fun of baseline profile back in 2008. WTF Nvidia.
Edit2: Just went through a ton of my media and all of it is High Profile at various levels. Ugh. God I hope I am wrong about all of this.

Can't it be the same problem that Samsung Galaxy Tab have? That it's the audio that is the problem. That its handle video good but have no codec for multichannel sound.
My Galaxy Tab can play 720p perfectly only when the movie have stereo sound. If it have 5.1 it cant play. So the file need to have only stereo sound.
Can some whit a XOOM try some HD movie whit stereo sound and also try some movies whit multichannel sound. And report back how it went.
Sent from my GT-P1000 using Tapatalk

muyoso said:
Holy crap, just read the anandtech review of the optimus 2x and it's not giving me a lot of confidence in Tegra 2. They specifically talk about how limited the video playback potential is and how h.264 videos have to be in a ridiculously specific format to play. Basically NVIDIA has been lying and has refuses to respond to its lies.
Edit: Basically, unless you specifically encode a video to fit within the parameters Nvidia needs, the video will not play well. There are very constained the limited parameters that the Tegra 2 seems to support, which may explain certain videos working without sound and others not playing at all.
http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Profiles
http://www.anandtech.com/show/4144/...ra-2-review-the-first-dual-core-smartphone/14
Its pretty disheartening to be reading threads where people are making fun of baseline profile back in 2008. WTF Nvidia.
Edit2: Just went through a ton of my media and all of it is High Profile at various levels. Ugh. God I hope I am wrong about all of this.
Click to expand...
Click to collapse
You aren't wrong unfortunately.
Here is a good portion of an article talking about it: http://www.anandtech.com/show/4181/...-a9s-coming-to-smartphonestablets-this-year/3

bd85 said:
Can't it be the same problem that Samsung Galaxy Tab have? That it's the audio that is the problem. That its handle video good but have no codec for multichannel sound.
My Galaxy Tab can play 720p perfectly only when the movie have stereo sound. If it have 5.1 it cant play. So the file need to have only stereo sound.
Can some whit a XOOM try some HD movie whit stereo sound and also try some movies whit multichannel sound. And report back how it went.
Sent from my GT-P1000 using Tapatalk
Click to expand...
Click to collapse
Not true, the Galaxy tab plays 720p mkv with 5.1 fine, as long as it is encoded as AC3, which the majority of files are. You probably have files that are DTS encoded. That is the Galaxy tab's only limitation. And even that can be converted (audio track only in about 15 minutes) if necessary to play on the tab. I watch movies and TV shows as 720p mkv every single day on the tab. I am amazed that the XOOM can't do this. I was so close to buying one - looks like I dodged a bullet, can't stand the thought of going back to encoding everything after using a galaxy tab and a captivate, which play everything. Here are the properties of a file which plays fine on the Galaxy tab for comparison. Notice way down in the Audio section - Channel(s) : 6 channels
Format : Matroska
File size : 1.09 GiB
Duration : 42mn 0s
Overall bit rate : 3 727 Kbps
Writing application : x264.exe
Writing library : mkv2rls x264-tv version built on 2011. febr. 17
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 42mn 0s
Bit rate : 3 336 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.151
Stream size : 982 MiB (88%)
Writing library : x264 core 88 r1471 1144615
Encoding settings : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=30 / sliced_threads=0 / nr=0 / decimate=1 / mbaff=0 / constrained_intra=0 / bframes=6 / b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=1 / wpredb=1 / wpredp=0 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=3336 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00
Language : English
Audio
ID : 2
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Codec ID : A_AC3
Duration : 42mn 0s
Bit rate mode : Constant
Bit rate : 384 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 115 MiB (10%)
Title : English
Language : English
Text
ID : 3
Format : UTF-8
Codec ID : S_TEXT/UTF8
Codec ID/Info : UTF-8 Plain Text
Title : English
Language : English

I made a post in Xoom official forum:
https://supportforums.motorola.com/thread/45753

Its really, really, REALLY stupid for Motorola to put out a tablet that cant play video, while 1-2 year old tablets and phones do it just fine!
I was going to go down to the US to buy one this weekend but I will not now.

Notion Ink Adam vs. Motorola Xoom - HD Video Playback

watch video! playing back 720p videos in avi/dvix and mkv formats
Notion Ink Adam vs. Motorola Xoom - HD Video Playback

Thanks a lot for doing this. To those wondering the Planet earth clip in question is from the first episodes introduction and is usually referred to as the "killa sample" when in 1080p because of the insane bitrate spike when the birds start flying. The idea is, if your device can play this it can play anything. The sample I sent to inspiron41 was in 720p.
Here are the details of the Planet earth clip:
Code:
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 9 frames
Muxing mode : Header stripping
Codec ID : V_MPEG4/ISO/AVC
Duration : 1mn 52s
Bit rate : 6 478 Kbps
Nominal bit rate : 5 660 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.293
Stream size : 87.1 MiB (92%)
Title : Planet Earth - EP01 - From Pole to Pole
Writing library : x264 core 54 svn-635M
Encoding settings : cabac=1 / ref=6 / deblock=1:-1:-1 / analyse=0x3:0x133 / me=umh / subme=7 / brdo=1 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=2 / deadzone=21,11 / chroma_qp_offset=0 / threads=2 / nr=0 / decimate=0 / mbaff=0 / bframes=4 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=1 / wpredb=1 / bime=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=5660 / ratetol=1.0 / rceq='blurCplx^(1-qComp)' / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:0.5:18.0
Language : English
Audio
ID : 2
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Muxing mode : Header stripping
Codec ID : A_AC3
Duration : 1mn 52s
Bit rate mode : Constant
Bit rate : 448 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 6.03 MiB (6%)
Title : AC3 5.1
Language : English
As you can see, VERY high quality for a 720p clip. The bitrate actually spikes from around 4000Kb/s to a high of around 22000Kb/s during the bird scene.

It don't look good.

Thank you both for doing this, it goes a long way to assuage my fears of buying the Xoom and it not being able to handle anything I can throw at it.
Do you think at any point in the future the need to convert will go?
I'm hoping for a VLC for Xoom is released shortly.
I have little patience with converting media.

I just finished playing 2 hours of HD 720p MKV video files on my xoom on QQ player and it worked flawlessly!
Anime on the go just got better!
When I get home I try the HDMI out.

synplex said:
I just finished playing 2 hours of HD 720p MKV video files on my xoom on QQ player and it worked flawlessly!
Anime on the go just got better!
When I get home I try the HDMI out.
Click to expand...
Click to collapse
Can you post the details of the video? Download this:
http://mediainfo.sourceforge.net/en
and open it and then drag the mkv file into the window. Then select View>Text and copy the Video and Audio sections.

i'm guessing that QQplayer isnt even optimized for Tegra II chips. would love to see what it could do if it was optimized

Ins and outs of video on the Xoom
@muyoso
The so-call "killa sampla" clip is commonly known as a BADLY encoded clip because the bitrate being used was outrageous. Yes, the "flock flying" sequence takes more bits and will cause a spike, but it's not a particularly demanding scene. There are scenes in the Planet Earth series that have much higher bit spikes. Note that the bitrate for the clip (6.4Mb/s) is only slightly higher than the avg bitrate assigned to the whole movie (5.6Mb/s).
Your 720p clip is badly coded as well. For one, there is no need to use L5.1 for the 720p res, especially when the targetted playback platform is a mobile device. For 720p, you should've used L3.1, and keep the x264 default of ref=3 rather than jacking it to ref=6 (or 9, if the level param takes precedence). For more info about x264's level parameter,
en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels
What was proven in your clip is that the Xoom (and Adam) can't play badly encoded MKVs, or MKV videos that were intended for the PC platform, which isn't surprising. Personally, I think it's a bit naive and unrealistic to expect PC-level video-decoding performance from this generation of tablets. Given that this is a tech forum, my suggestion for all concerned is to TECH UP and find a good conversion routine for your downloaded vids. Either that, or wait until next year for the quad-cores to show up.
I've written a Windows script package to optimize video for mobile devices, which can handle most common formats (excluding WMV). It uses x264 for the encoding and is very fast. It can also recode multichannel audio (AC3/FLAC/DTS/PCM) to either stereo MP3 or AAC, and takes only minutes to do. It's noob friendly; drag the video(s) on top of the script and drop it, and that's it.
Right now, it uses the MKV container. I'm hoping that CorePlayer for Android will show up soon, which'll provide MKV support & NEON-accel for H.264. If that doesn't happen, I'll rewrite the script to use MP4 container. MP4 has more constraints than MKV (only AAC audio, no bitmap subtitles), and I prefer to stick to MKV.
Drop your PE clip onto the script and let it recode. My bet is that this will fare much better on the mentioned tablets.
The script package is posted here,
forum.archosfans.com/viewtopic.php?f=63&t=38604

So, wait, the Notion Ink Adam cannot play high profile 720p video?
We need a definitive answer here.
Some people are saying that the Adam couldn't play high profile 720p video but it could after a software update.
That planet earth sample is terrible for actually testing video playback. It was encoded using unrealistic settings. 9 reference frames? I can't imagine a situation where you would need that many.
We need a sample, encoded in 720p h.264, using 3 reference frames, 3 b-frames, weighted p-frames and adaptive b-frames.

>So, wait, the Notion Ink Adam cannot play high profile 720p video?
Let's find out.
The 720p clips below are from the first 1:52 from Planet Earth 01 From Pole to Pole (same as muyoso's), encoded in one-pass CRF mode using x264cli w/ params: --crf 21 --level 3.1 --tune film --preset medium (using the aforementioned script). Bog standard, nothing weird. Avg bitrate is at 5.4Mb/s.
The first clip uses MKV container. It should play in hardware (accelerated) mode using Rockplayer Universal or similar, or software mode otherwise. The second clip is the same as the first, but remuxed to MP4. It should play w/ default Android player. Let me know if Xoom/Adam owners can play either, and how well.
(Sorry, I can't yet post links. Would appreciate if someone with a higher post count repost the links below.)
Planet Earth MKV clip (76.4MB)
sendspace.com/file/avhrgb
Planet Earth MP4 clip (76.5MB)
sendspace.com/file/uo0rhg
Code:
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Muxing mode : Header stripping
Codec ID : V_MPEG4/ISO/AVC
Duration : 1mn 52s
Bit rate : 5 438 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.246
Stream size : 73.2 MiB (96%)
Writing library : x264 core 114 r1913 5fd3dce
Encoding settings : cabac=1 / ref=3 / 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=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 /
fast_pskip=1 / chroma_qp_offset=-2 / threads=3 / sliced_threads=0 / nr=0 /
decimate=1 / interlaced=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 /
b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 /
keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 /
rc=crf / mbtree=1 / crf=21.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 /
ip_ratio=1.40 / aq=1:1.00
Language : English
Audio
ID : 2
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Mode : Joint stereo
Mode extension : MS Stereo
Muxing mode : Header stripping
Codec ID : A_MPEG/L3
Codec ID/Hint : MP3
Duration : 51mn 16s
Bit rate mode : Variable
Bit rate : 128 Kbps
Minimum bit rate : 32.0 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 46.9 MiB (61%)
Writing library : LAME3.98r
Encoding settings : -m j -V 5 -q 0 -lowpass 16.5 --vbr-new -b 32

BlazinGTI said:
Thank you both for doing this, it goes a long way to assuage my fears of buying the Xoom and it not being able to handle anything I can throw at it.
Do you think at any point in the future the need to convert will go?
I'm hoping for a VLC for Xoom is released shortly.
I have little patience with converting media.
Click to expand...
Click to collapse
Until the players are optimized for tegra, or a new app comes out
on my atrix (tegra2) a 1080p video plays just fine stock, but using qqplayer or rockplayer it stutters, so we will be saved soon i am sure
the video that i refer too is linked below
full 1080p, 10mbps ! (BASELINE PROFILE)
http://hotfile.com/dl/108279465/e51a41a/goal2.mp4.html

Dr.Preston said:
So, wait, the Notion Ink Adam cannot play high profile 720p video?
We need a definitive answer here.
Some people are saying that the Adam couldn't play high profile 720p video but it could after a software update.
That planet earth sample is terrible for actually testing video playback. It was encoded using unrealistic settings. 9 reference frames? I can't imagine a situation where you would need that many.
We need a sample, encoded in 720p h.264, using 3 reference frames, 3 b-frames, weighted p-frames and adaptive b-frames.
Click to expand...
Click to collapse
maybe you can answer me, im curious
can the xoom play 720p or 1080p high profile (or anything thats not baseline)
I know it cant, but is the reason that the tegra cant handle it, or is it a software issue (that can be resolved with apps/codecs)

SS2006 said:
maybe you can answer me, im curious
can the xoom play 720p or 1080p high profile (or anything thats not baseline)
I know it cant, but is the reason that the tegra cant handle it, or is it a software issue (that can be resolved with apps/codecs)
Click to expand...
Click to collapse
That seems to still be the big question.

Since the tegra can handle b frames cabac is the primary element in main profile that it can not handle. I would be interested to do a comparison of the same clip with cabac off.
Sent from my Xoom using XDA App

My main concern at the moment (in regard of video playback) is:
1. There is already a lot of post about it here and I have not this issue being officially addressed by any of the three companies.
2. By the time issue is resolved new Xoom might be much cheaper.
3. What if issue is not resolved? How much will Xoom loose in value?
4. If any of coming Tegra 2 based tablets will hold additional chip + own player... who (from general public) will want to buy xoom (and for how much).
For me $800 is quite a lot and I have to take under consideration simple depreciation... I will want to get a newer tablet (maybe next year) so issue of getting money back is important.
Yes, I was hoping for PC like performance (especially that this is exactly how Xoom is being presented since few weeks/months)
No, I do not had/have/will have an iPad.
No, I do not have time (nor knowledge) to play with video format - all I want is to go to XYlinks.org page, make my download and watch the same way on tablet as I do now on my desktop or netbook (preferably form NAS drive). And most of the 720p stuff available to download is mkv high profile (for PC).
Video playback is very BIG issue. I have no doubt that all the rest will be sorted with updates as they are issues of software - video... I do not think so.
It is not me who started to compare xoom and honeycomb to PC experience but companies behind this product themselves.

@JanetPanic
Have you tried the clips I posted? Do they not work, and if not, what was the error encountered?
@galtom
You should only be concerned if you've bought a Xoom. And if you've bought one--on release day, at full MSRP--then why the heck do you worry about resale value? You already know that you'll be lucky to get half of what you paid when you resell it.
Lastly, if you don't care about technical aspects of HD videos, or finding a tech solution, why are you posting in this thread? This isn't a rant thread for Xoom owners having buyer's remorse.

galtom said:
My main concern at the moment (in regard of video playback) is:
1. There is already a lot of post about it here and I have not this issue being officially addressed by any of the three companies.
2. By the time issue is resolved new Xoom might be much cheaper.
3. What if issue is not resolved? How much will Xoom loose in value?
4. If any of coming Tegra 2 based tablets will hold additional chip + own player... who (from general public) will want to buy xoom (and for how much).
For me $800 is quite a lot and I have to take under consideration simple depreciation... I will want to get a newer tablet (maybe next year) so issue of getting money back is important.
Yes, I was hoping for PC like performance (especially that this is exactly how Xoom is being presented since few weeks/months)
No, I do not had/have/will have an iPad.
No, I do not have time (nor knowledge) to play with video format - all I want is to go to XYlinks.org page, make my download and watch the same way on tablet as I do now on my desktop or netbook (preferably form NAS drive). And most of the 720p stuff available to download is mkv high profile (for PC).
Video playback is very BIG issue. I have no doubt that all the rest will be sorted with updates as they are issues of software - video... I do not think so.
It is not me who started to compare xoom and honeycomb to PC experience but companies behind this product themselves.
Click to expand...
Click to collapse
Shhhhh. Quiet! Your not supposed to say the emperor has no clothes around here. Makes everyone very irritable. Just take a deep breath and repeat after me:
I like re-encoding all my videos. Its fun!
I like re-encoding all my videos. Its fun!
it gives me a feeling of accomplishment.
I'm happy waiting two hours to watch a movie that took 15 minutes to download.
Its fun.
Yes its lots of fun!
Ok now....breathe out....
Thats it. Thats it. Now, don't you feel better?

@Digital Man
Spoken like a true technophobe. Unlike your binary view of the world, not everybody is a hater or a fanboy. XDA is a technical forum, and one would expect for people to look for tech solutions to tech problems.
Yes, the Xoom is deficient on video playback. My opinion is that it's mostly a software (read: fixable) issue, which will be remedied when better media players come online. One I've mentioned is Coreplayer for Android, which will have comprehensive format support (aside from AC3) and hardware accelerated support for Tegra2. We all know that there is little tab-specific Android software available right now. That will come.
Despite what the official Moto line is, I'm fairly confident the Tegra2 can do 720p high profile, as long as the encode uses default parameters. Some so-called scene rips don't. If you want to watch these, you'll need to re-encode. That's just the way it is, until the quad-cores get to market.
As for 1080p HP videos, there are other constraints that make them impractical for watching on tablets other than chip capability. A typical 1080p rip averages around 10GB, and takes around 30+ minutes to transfer to flash. So unless you like to watch the same video over and over, swapping 1080p vids in and out of int storage sounds pretty unappealing to me. Ditto for the SD slot, assuming once it's working. Over wifi? You've got to be kidding.
The reality is that 720p is the most feasible resolution for tablets, considering their storage constraints, and the constraints of wifi (yes, you can stream 720p as-is over a good wifi connection).

e.mote said:
@muyoso
The so-call "killa sampla" clip is commonly known as a BADLY encoded clip because the bitrate being used was outrageous. Yes, the "flock flying" sequence takes more bits and will cause a spike, but it's not a particularly demanding scene. There are scenes in the Planet Earth series that have much higher bit spikes. Note that the bitrate for the clip (6.4Mb/s) is only slightly higher than the avg bitrate assigned to the whole movie (5.6Mb/s).
Your 720p clip is badly coded as well. For one, there is no need to use L5.1 for the 720p res, especially when the targetted playback platform is a mobile device. For 720p, you should've used L3.1, and keep the x264 default of ref=3 rather than jacking it to ref=6 (or 9, if the level param takes precedence). For more info about x264's level parameter,
en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels
What was proven in your clip is that the Xoom (and Adam) can't play badly encoded MKVs, or MKV videos that were intended for the PC platform, which isn't surprising. Personally, I think it's a bit naive and unrealistic to expect PC-level video-decoding performance from this generation of tablets. Given that this is a tech forum, my suggestion for all concerned is to TECH UP and find a good conversion routine for your downloaded vids. Either that, or wait until next year for the quad-cores to show up.
I've written a Windows script package to optimize video for mobile devices, which can handle most common formats (excluding WMV). It uses x264 for the encoding and is very fast. It can also recode multichannel audio (AC3/FLAC/DTS/PCM) to either stereo MP3 or AAC, and takes only minutes to do. It's noob friendly; drag the video(s) on top of the script and drop it, and that's it.
Right now, it uses the MKV container. I'm hoping that CorePlayer for Android will show up soon, which'll provide MKV support & NEON-accel for H.264. If that doesn't happen, I'll rewrite the script to use MP4 container. MP4 has more constraints than MKV (only AAC audio, no bitmap subtitles), and I prefer to stick to MKV.
Drop your PE clip onto the script and let it recode. My bet is that this will fare much better on the mentioned tablets.
The script package is posted here,
forum.archosfans.com/viewtopic.php?f=63&t=38604
Click to expand...
Click to collapse
Correct me if I'm wrong, but Tegra 2 on which these tablets are based doesn't do NEON.

Digital Man said:
[...]
I like re-encoding all my videos. Its fun!
it gives me a feeling of accomplishment.
I'm happy waiting two hours to watch a movie that took 15 minutes to download.
[...]
Click to expand...
Click to collapse
LOL! Exactly my point. Look guys, the only product of Apple Inc I had was second gen of iPod, since my Wife got herself a while back an iPhone and forced me to install iTunes I have promised myself solemnly - never, ever again anything like it.
So, I am all for Xoom (and the likes) so they can succeed, but on the other hand I do not want to same problems and frustration.
This is not a first thread about video issue and I can bet even people who had never heard of XDA but bought Xoom are now puzzled and are probably thinking - what is wrong? It was supposed to play HD video and it is not (Mr Average Joe is not going to even know about all this HD gibberish - 720p. 1080p that is it). It says in the ad it plays 720p. and.... at home it is not.
With every passing day I am worried that issue is BIG since it has not been addressed nor by any "gadget web site" nor by (what is more important) by any of the involved companies... With iPad2 out now I would think it would be fair to say how the things are and what customers are to expect.
Knowing 720p High profile is not coming to Tegra 2 I still would buy it and would not get furious afterwards that I have been mislead (or simply kept in the dark just to make me buy it). With no information I can not make a conscious decision about purchase - and that is all I require.
To summarize:
As much as this forum is AWESOME and I value every single opinion (and I am honestly grateful for it) this one has to be addressed by BIG BOYS as "we" (hi, hi, hi) have only our privet opinions about it with nothing to support them :-(

Video playback.. Um.. Wow!!

I just put the Amazing life THX demo as found on the Avatar Blu-ray directly onto my phone, a totally untouched m2ts file. I know my S3 wont play it, but the One plays it with MX player in software mode. its 95% smooth, just the odd stutter.
Thats impressive, very.
Edit: It seems my Nexus 10 will do as well, maybe its an A15 thing, because it doesn't work on any A9 based device ive tried it on.

rovex said:
I just put the Amazing life THX demo as found on the Avatar Blu-ray directly onto my phone, a totally untouched m2ts file. I know my S3 wont play it, but the One plays it with MX player in software mode. its 95% smooth, just the odd stutter.
Thats impressive, very.
Edit: It seems my Nexus 10 will do as well, maybe its an A15 thing, because it doesn't work on any A9 based device ive tried it on.
Click to expand...
Click to collapse
Which file is it? 0003.m2ts or 0004.m2ts?

Not sure, I renamed it ages ago, dont have the rest of the disc as files any more.

rovex said:
Not sure, I renamed it ages ago, dont have the rest of the disc as files any more.
Click to expand...
Click to collapse
What's the size of the file?

49ish MB

Look at fille properties in MX Player.

General
ID : 1 (0x1)
Format : BDAV
Format/Info : Blu-ray Video
File size : 49.8 MiB
Duration : 45s 34ms
Overall bit rate mode : Variable
Overall bit rate : 9 264 Kbps
Maximum Overall bit rate : 35.5 Mbps
Video
ID : 4113 (0x1011)
Menu ID : 1 (0x1)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Codec ID : 27
Duration : 45s 45ms
Bit rate mode : Variable
Bit rate : 8 176 Kbps
Maximum bit rate : 24.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.164
Stream size : 44.3 MiB (89%)
Writing library : x264 core 61

Look like my version of disc does not have that demo. It was one of those promotional discs packaged with Panasonic TV's. It is still great that HTC One plays files with such high bit rate.

I think it was on the first release 2D version.

starting to appreciate your HTC One?

Still has shoddy build quality, but yes its growing on me.

rovex said:
Still has shoddy build quality, but yes its growing on me.
Click to expand...
Click to collapse
lets wait for the April batch before we call it shoddy
the One X is anything but
besides many people already confirmed receiving a flawless unit after replacing the imperfect first

Doesn't help my phone though does it and mine is a replacement. My Samsungs were all first batch, and flawless, every HTC ive had that was a launch phone has had issues with build. The One X was eventually well made, but had launch issues, so did the One S, and the One V.

The bitrate isn't particularly impressive on this file, the S3 plays stuff in the same range very smoothly for nearly all non-10 bit formats, on my Butterfly I've played an old HDDVD demo with a video bitrate of 40mb/s (H/W+ decoder). More impressive is the untouched m2ts.

I can't get the phone to play any videos other than what is recorded on it! mkv's, mp4's that work in several players i've had on the one x don't seem to run at all on this phone

It's played everything I've thrown at it so far. Currently only got the Final Fantasy films on it for now (i watch then delete.)
1080p movies have played perfectly.
Sent from my Tricked out HTC One via xda-developers application

Wont most android phones play mentioned video files through mx player pro.... thought it was only lame ios that put restrictions on file type's ??
Custom Stock Rom 4.1 Eternity
Brilliantly Stock

ipmanwck said:
Wont most android phones play mentioned video files through mx player pro.... thought it was only lame ios that put restrictions on file type's ??
Custom Stock Rom 4.1 Eternity
Brilliantly Stock
Click to expand...
Click to collapse
Yes, I would have though either or both of MX Player and Dice Player should be able to play that file on lots of current Android devices. Can depend on exact encoding style and such like, 10-bit playback for example is still ropey regardless of device or player.

NZtechfreak said:
Yes, I would have though either or both of MX Player and Dice Player should be able to play that file on lots of current Android devices. Can depend on exact encoding style and such like, 10-bit playback for example is still ropey regardless of device or player.
Click to expand...
Click to collapse
The files worked after I restarted the phone, I think I had some how made a corrupted Zoe and when I played it the video playing stopped working for everything. Hopefully this isn't a reoccurring thing!

720P video looks better than 1080P, why ?

Hi
This is my first post on this forum.
I have nexus with stock ROM.
I record 2 video one 720P and one 1080P.
When i saw them in my computer and my plasma TV the 720P looks much better than the 1080P.
Why ????
The video made with the stock camera and also with another app (snap camera).
Please help me
P.s, I can't insert a link in this post to download example movie from dropbox
Sent from my Nexus 4 using xda app-developers app

Please do so as I have a theory you're losing your mind.
Sent from my Nexus 4 using xda app-developers app

Congrats on your first post.
Resolution (megapixel) doesn't equate to absolute quality. Nexus 4 camera isn't the best in the market, I can see why 720p videos might be best of its ability. But it could be software and digital processing also.

Please define better.
Recording at 720 will yield a higher fps recording which will look better than 1080.
Also the 1080p recording will probably have more compression to avoid stupidly large file sizes
More compression = less quality
Sent from my Nexus 4 using xda app-developers app

The 720P is more smooth , in the 1080P there is a lot of pixel.
How can I upload links in here? Only after 10 messages??
Sent from my Nexus 4 using xda app-developers app

assaf23 said:
How can I upload links in here? Only after 10 messages??
Click to expand...
Click to collapse
Leave out the "http://" part
Swyped from my Nexus 4 using Tapatalk 4

There is 720P
db.tt/Xh8Y0YAK
There is the 1080P
db.tt/iElrPa7p
Look at the movies in a big screen, not in your mobile
Sent from my Nexus 4 using xda app-developers app

assaf23 said:
There is 720P
db.tt/Xh8Y0YAK
There is the 1080P
db.tt/iElrPa7p
Look at the movies in a big screen, not in your mobile
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Pixel Count
1280 x 720 = 921600
1920 x 1080 = 2073600
2.25 x more between 720 & 1080
your 1080 video should be at least 225% larger at 81.9MB at the same compression
your 1080 recording only has 22% higher file size at 44.5MB
Video Info Breakdown - useful info will be listed below before the full breakdown
720p
Overall bit rate : 16.9 Mbps
Frame rate : 24.922 fps
Minimum frame rate : 23.759 fps
Maximum frame rate : 26.216 fps
1080p
Overall bit rate : 20.3 Mbps
Frame rate : 30.292 fps
Minimum frame rate : 18.304 fps
Maximum frame rate : 31.813 fps
Summary
As you can see the target framerate was 24.9fps in your 720p video, which it kept to very closely <1.5fps deviation.
Whereas in your 1080p video the target was 30.3fps and in some instances it dropped as low as 18.3 fps (thats a whopping 12fps loss at some points.
there is a fine line between good compression and good picture quality.
from looking at the videos you have provided My best guess is that the nexus 4 cannot handle 1080p recording
it struggles to keep up with the fps & I would also have said that the bitrate should have been much higher than it is on a 720p recording (upon further inspection, most of my HD videos only have a bitrate of about 7.5Mbps), but my guess is that it is trying to record with a higher bitrate in 1080p and it cannot actually record at the speed it wants to resulting in slowdowns in fps while bottlnecking & also worse compression.
RAW DATA BELOW
720p
Code:
General
Complete name : V:\Downloads\720P.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 36.4 MiB
Duration : 18s 90ms
Overall bit rate : 16.9 Mbps
Encoded date : UTC 2013-09-20 17:58:38
Tagged date : UTC 2013-09-20 17:58:38
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : No
Format settings, ReFrames : 1 frame
Format settings, GOP : M=1, N=30
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 17s 776ms
Bit rate : 16.8 Mbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 24.922 fps
Minimum frame rate : 23.759 fps
Maximum frame rate : 26.216 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.731
Stream size : 35.6 MiB (98%)
Title : VideoHandle
Language : English
Encoded date : UTC 2013-09-20 17:58:38
Tagged date : UTC 2013-09-20 17:58:38
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 18s 90ms
Source duration : 18s 96ms
Bit rate mode : Constant
Bit rate : 192 Kbps
Nominal bit rate : 96.0 Kbps
Channel(s) : 1 channel
Channel positions : Front: C
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 424 KiB (1%)
Source stream size : 424 KiB (1%)
Title : SoundHandle
Language : English
Encoded date : UTC 2013-09-20 17:58:38
Tagged date : UTC 2013-09-20 17:58:38
mdhd_Duration : 18090
1080p
Code:
General
Complete name : V:\Downloads\1080P.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 44.5 MiB
Duration : 18s 346ms
Overall bit rate : 20.3 Mbps
Encoded date : UTC 2013-09-20 17:59:21
Tagged date : UTC 2013-09-20 17:59:21
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : No
Format settings, ReFrames : 1 frame
Format settings, GOP : M=1, N=30
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 18s 69ms
Source duration : 18s 90ms
Bit rate : 20.3 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 30.292 fps
Minimum frame rate : 18.304 fps
Maximum frame rate : 31.813 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.322
Stream size : 43.6 MiB (98%)
Source stream size : 43.7 MiB (98%)
Title : VideoHandle
Language : English
Encoded date : UTC 2013-09-20 17:59:21
Tagged date : UTC 2013-09-20 17:59:21
mdhd_Duration : 18069
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 18s 346ms
Bit rate mode : Constant
Bit rate : 192 Kbps
Nominal bit rate : 96.0 Kbps
Channel(s) : 1 channel
Channel positions : Front: C
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 430 KiB (1%)
Title : SoundHandle
Language : English
Encoded date : UTC 2013-09-20 17:59:21
Tagged date : UTC 2013-09-20 17:59:21

Thank u for your answer.
Do u think record 1080P in good quality its a problem in all nexus 4 ?
Maybe someone can upload 2 videos(or links) so we can verify If its only problem at my phone or more generic problem in the nexus 4
Sent from my Nexus 4 using xda app-developers app

I took a couple of videos on mine. Though I am running a custom Rom & kernel.
The effects was not as bad as yours but I could definitely tell the 720 looked the better of the two.
Recording at 1080 had little spikes of jumpyness & despite been at a higher resolution, looked slightly blurred compared to the 720
Sent from my Nexus 4 using xda app-developers app

Thanks
I checked movies with another nexus 4 device and also the 720P looks much better.
Sent from my Nexus 4 using xda app-developers app

Is someone know how to improve quality of videos ?
Something that verified
If I will do reset to the device its solve the problem ? I saw in YouTube much better movie with 1080P
Sent from my Nexus 4 using xda app-developers app

assaf23 said:
Is someone know how to improve quality of videos ?
Something that verified
If I will do reset to the device its solve the problem ? I saw in YouTube much better movie with 1080P
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
That's all the device can do I'm afraid. Constantly losing focus, recording focusing sound (at least the mic is quite good lol), dropping frames and stuff, it's just not a good cameraphone (even though day picture quality is pretty nice).

BoneXDA said:
That's all the device can do I'm afraid. Constantly losing focus, recording focusing sound (at least the mic is quite good lol), dropping frames and stuff, it's just not a good cameraphone (even though day picture quality is pretty nice).
Click to expand...
Click to collapse
True! N5 will most likely have a much advanced camera (from g2). It is the only thing that makes me want to jump over to the n5!

I love my Pixel XL, but I am pretty let down by the video quality at 4K

I made a video to show my landlord how run down my building has become and upon review at home on a 4K 43" monitor/TV, I have to say that I am pretty displeased with the quality.
The video gets very fuzzy when you move the camera and things look like they are vibrating. The stabilization makes the video somewhat jerky. There are tons of compression artifacts and the overall bitrate looks very low. I checked the bitrate on my PC with MediaInfo and it shows 42.0 Mbps, which seems decent, but as you can see in the video, it barely passes as 1080p content. It doesn't look anywhere near what I expect 4K to look like. The lighting was not ideal, but it wasn't necessarily dark either.
What do you guys think?
https://www.youtube.com/watch?v=3X0mzZsaJOM

Yeah it is definitely pretty disappointing. When you go indoors the quality goes down tremendously.
Here is a quick comparison I did between the Pixel XL and the Nexus 6:
Nexus 6: https://www.youtube.com/watch?v=NWhoCGFh_JA
Pixel XL: https://www.youtube.com/watch?v=W1dwmw33M98
I'm just puzzled why even the Nexus 6 does SO much better with low light for video. When it's looking at the desk the Pixel XL does fine because theres a bunch of light, but looking around the room is horrible.

jeremytodd1 said:
Yeah it is definitely pretty disappointing. When you go indoors the quality goes down tremendously.
Here is a quick comparison I did between the Pixel XL and the Nexus 6:
Nexus 6: https://www.youtube.com/watch?v=NWhoCGFh_JA
Pixel XL: https://www.youtube.com/watch?v=W1dwmw33M98
I'm just puzzled why even the Nexus 6 does SO much better with low light for video. When it's looking at the desk the Pixel XL does fine because theres a bunch of light, but looking around the room is horrible.
Click to expand...
Click to collapse
Wow, that Pixel video is awful. What resolution did you record it at? 1080p30?
I don't understand how it can take video this good, but then look so awful when we use it: https://www.youtube.com/watch?v=OC61JkwxfS4

It was recorded at 1080p60FPS.

oRAirwolf said:
I made a video to show my landlord how run down my building has become and upon review at home on a 4K 43" monitor/TV, I have to say that I am pretty displeased with the quality.
The video gets very fuzzy when you move the camera and things look like they are vibrating. The stabilization makes the video somewhat jerky. There are tons of compression artifacts and the overall bitrate looks very low. I checked the bitrate on my PC with MediaInfo and it shows 42.0 Mbps, which seems decent, but as you can see in the video, it barely passes as 1080p content. It doesn't look anywhere near what I expect 4K to look like. The lighting was not ideal, but it wasn't necessarily dark either.
What do you guys think?
https://www.youtube.com/watch?v=3X0mzZsaJOM
Click to expand...
Click to collapse
Hmmm....
No offense but you live in a dump
But back to the issue at hand... I wonder if Youtube downgraded the video? Did you have all the settings correct?
I will make a quick vide of my home office and upload for comparison :highfive:

Scott said:
Hmmm....
No offense but you live in a dump
But back to the issue at hand... I wonder if Youtube downgraded the video? Did you have all the settings correct?
I will make a quick vide of my home office and upload for comparison :highfive:
Click to expand...
Click to collapse
Yeah, I know I live in a dump. I am embarrassed to have people over. The problem is that housing has become insanely expensive in the Denver metro area and it's what I can afford while still being close to work. Either way, I am going to move in February....Hopefully to Arizona where I can wear shorts year round
In regards to the video, I can tell you that the source video looks very similar. I still have it and can upload it to a file sharing site if anybody wants to compare.

Thing is the Nexus might have gotten tweaks over time while the pixel is new. We know google plans on updates to the camera. It is odd for video to look slightly out of focus though. I haven't tried a regular video of the higher resolutions, only played with the slow-mo so far.

oRAirwolf said:
Yeah, I know I live in a dump. I am embarrassed to have people over. The problem is that housing has become insanely expensive in the Denver metro area and it's what I can afford while still being close to work. Either way, I am going to move in February....Hopefully to Arizona where I can wear shorts year round
In regards to the video, I can tell you that the source video looks very similar. I still have it and can upload it to a file sharing site if anybody wants to compare.
Click to expand...
Click to collapse
I hear you... Because of your thread I did some testing...
Here are my results...
2160P - Medium lighting: https://www.youtube.com/watch?v=ekO5rm9dxnY
2160P - Low Lighting: https://www.youtube.com/watch?v=Q_7V7kjwRfU
1080P low Lighting: https://www.youtube.com/watch?v=Q_7V7kjwRfU
I have to agree with you. Unless the lighting source is bright then the camera is kinda a let down.
I will try to do some high lighting videos in the AM.
Although, I am still happy with this phone!

Sorry to link to reddit, but I mainly post on reddit.
I also made a comparison of the videos in low light. Here is the thread if you guys are interested:
https://www.reddit.com/r/GooglePixe...a_pixel_xl_low_light_indoor_video_quality_is/
I just feel like the more information out there on this issue the better.
---------- Post added at 10:21 PM ---------- Previous post was at 10:20 PM ----------
Scott said:
I hear you... Because of your thread I did some testing...
Here are my results...
2160P - Medium lighting: https://www.youtube.com/watch?v=ekO5rm9dxnY
2160P - Low Lighting: https://www.youtube.com/watch?v=Q_7V7kjwRfU
1080P low Lighting: https://www.youtube.com/watch?v=Q_7V7kjwRfU
I have to agree with you. Unless the lighting source is bright then the camera is kinda a let down.
I will try to do some high lighting videos in the AM.
Although, I am still happy with this phone!
Click to expand...
Click to collapse
Might want to check your link for the 4K low light video. It currently links to the 1080p low light video.

jjayzx said:
Thing is the Nexus might have gotten tweaks over time while the pixel is new. We know google plans on updates to the camera. It is odd for video to look slightly out of focus though. I haven't tried a regular video of the higher resolutions, only played with the slow-mo so far.
Click to expand...
Click to collapse
This is very true. With only EIS they can improve the quality via software.

I took another video of my garbage dump dilapidated crackhouse building I rent a condo in with image stabilization turned off. It looks better, but still has many of the same problems, such as compression artifacts, severe loss of quality when panning, and lots of digital noise. The garage is very well lit and there really is no excuse for this poor of quality.
https://www.youtube.com/watch?v=D_n4YiG4xBU

Here is a 4k video I did today but under ideal conditions, phone still and sunny day. I can do one of my workbench and desk area in basement for a lower light comparison.

jjayzx said:
Here is a 4k video I did today but under ideal conditions, phone still and sunny day. I can do one of my workbench and desk area in basement for a lower light comparison.
Click to expand...
Click to collapse
Here's the post I made on the Google product forums, using your video as an example:
Somebody on XDA Developers just posted a video they took outside in the sun at 4K. I think one could consider this scene to be ideal conditions. I think this is a good example of how poor the video quality is. I took a screenshot of it at 4K resolution, so you can see the original quality by zooming in if you are not on a 4K monitor.
http://i.imgur.com/u8toyk7.jpg
https://www.youtube.com/watch?v=kz0rxcB9LUM
The clouds in the sky are highly compressed and very blocky. It reminds me of video on my Dreamcast. The falling water has tons of digital noise and the entire image is blocky and covered in compression artifacts. I hope Google will address this, as I have seen better 720p quality video. This is a huge let down.
The Pixel XL is recording 4K UHD video at 42 Mbps in an h264/AVC format. I have videos encoded at the same bitrate that are near flawless. For comparison, here are 2 screenshots from some 4K showcase videos.
This video is at 38.4 Mbps, which is 3.6 Mbps or 9% lower bitrate than the Pixel XL video: http://i.imgur.com/1488tHh.jpg -- Almost no visible compression artifacts, noise, or blockiness.
This video is at 45.3 Mbps, which is 3.3 Mbps or 7.6% higher bitrate than the Pixel XL video: http://i.imgur.com/dGvl6Xv.jpg -- Again, almost no visible compression artifacts, noise, or blockiness.
Pixel XL video and the two demo videos have the same encoding profile ([email protected]), the same bit depth (8 bit), and the same chroma subsampling (4:2:0). Why is the Pixel's video substantially worse?
Pixel XL video:
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 1 frame
Format settings, GOP : M=1, N=30
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2 min 55 s
Bit rate : 42.0 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 30.000 FPS
Minimum frame rate : 22.994 FPS
Maximum frame rate : 43.042 FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.169
Stream size : 878 MiB (100%)
Title : VideoHandle
Language : English
Encoded date : UTC 2016-10-31 08:09:44
Tagged date : UTC 2016-10-31 08:09:44
Color range : Full
Color primaries : BT.601 NTSC
Transfer characteristics : BT.601
Matrix coefficients : BT.601
mdhd_Duration : 175328
First Example:
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 1 min 32 s
Bit rate : 37.2 Mb/s
Width : 3 840 pixels
Height : 2 160 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) : 0.150
Stream size : 408 MiB (97%)
Writing library : x264 core 142 r2479 dd79a61
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I'm having problems with uploading these videos to Facebook. I have the setting to allow HD uploads in high quality on in Facebook but the quality comes out horrible. I took a video at 1080p at 60fps and it looked like a video watching it at 360p

mdonnelly1127 said:
I'm having problems with uploading these videos to Facebook. I have the setting to allow HD uploads in high quality on in Facebook but the quality comes out horrible. I took a video at 1080p at 60fps and it looked like a video watching it at 360p
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I would start a new thread, as this isn't really related to the topic of this thread.
That being said, I don't think Facebook is a very good measure for quality. Try a service like YouTube or Vimeo. They have much better quality at 1080p60 and 2160p30.

Google sounds like they are using a lot of algorithms to make better picture quality but they are probably over-processing. Maybe they should give the option to turn it off like HDR+.

jeremytodd1 said:
Yeah it is definitely pretty disappointing. When you go indoors the quality goes down tremendously.
Here is a quick comparison I did between the Pixel XL and the Nexus 6:
Nexus 6: https://www.youtube.com/watch?v=NWhoCGFh_JA
Pixel XL: https://www.youtube.com/watch?v=W1dwmw33M98
I'm just puzzled why even the Nexus 6 does SO much better with low light for video. When it's looking at the desk the Pixel XL does fine because theres a bunch of light, but looking around the room is horrible.
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Why would you record with the Pixel at 1080p60? That is why the quality is down. It had to reduce shutter speed to get those 60 frames in. Test it again at 30 FPS.

oRAirwolf said:
Yeah, I know I live in a dump. I am embarrassed to have people over.
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That looks much better than some of the places in the Bay Area. $700k+ for a 1000 sqft run down 50 years old house with 3 tiny bed rooms.

I think the Pixel suffers in low light, but then again, what phone doesn't. It's not a high end DSLR or Mirrorless camera with an actual wide aperture professional lens. But to be honest I'm still happy.
For what it offers at the convenience of a camera in my pocket it is good enough for me. If I need to film something of high quality I'll be taking my real equipment out.
Here's my low light video test. All the details of how it was captured is available to read here: http://bit.ly/2f5z818

I bring out my DSLR when I want high quality. With the phone people just want it better or as good as last one and here it looks like they can improve a little bit on some things.