Watching a movie that is h264 encoded while listening with bluetooth headphones causes a noticeable decrease in video quality. In slow panning scenes the amount of "judder", or stuttering is subtley increased. It gives the video a jerky feeling, as if the video is not quite smooth.
This effect is present across multiple video players in hardware decoding mode. The same videos play more smoothly when listening through wired headphones or the XOOM's built in speakers.
Again, I repeat this a somewhat subtle affect. I spent two days playing with video encoders and handbrake settings, driving myself crazy trying to smooth out my videos. Then, due to a battery failure in my samsung BT headset, I started watching movies with a wired headset and the cause finally dawned on me. I did multiple AB comparisons to confirm the problem.
So if your video doesn't seem quite right, and you are using BT audio, try wired audio or buit in speakers for a while, and compare.
I'm using moboplayer right now, and watching Top Chef masters that I encoded into h264 (via Handbrake).
I turned on soft-decoding option, it runs smoothly, and the audio works fine straight from the jack on the top and straight from the speakers.
EDIT: Oops didn't read the post all the way, Sorry.
overclock it a little and your problems will be solved.
patass said:
overclock it a little and your problems will be solved.
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Yeah, I was thinking that too. Overclocking might solve the problem.
But wow! Wouldn't you think a 1GHz dual core CPU with hardware acceleration for h264 would be enough already just to play BT audio with your video? I'm just surprised overclocking is even necessary.
Edit: Just to point out - the video I'm playing has already been encoded specifically for the XOOM and is being handled by the hardware. The CPU should hardly be taxed to begin with. Is playing BT audio such a processor-intensive task that it should require more than a dual core 1GHz?
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Hi ho
Yesterday I upgraded to the Mr. Clean latest ROM. (Nice ROM, fast boot time)
To celebrate my new A2DP goodness I bought a Blueant X5 headset which is offered by a company out of Melbourne, Australia where I live: http://www.blueant.com.au/x5_stereo_bluetooth_headset_headphones_a2dp.htm
I got it all paired and working fine, however when I try to play video in TCPMP which I encoded in PocketDivxEncoder, it's drops frames everywhere and the audio is out of sync. Benchmark shows like 17fps.
If I overclock using OmapClock to 216mhz (the highest I can go and stay stable) then it does improve the video somewhat.
I've also noticed it lags if you multitask while playing an mp3. I haven't tried any games yet but it would really suck if they slowdown too. I can live with the lag when playing audio, but not being able to watch video sort of defeats the purpose of getting headsets for me.
Does anyone know is this just a limitation of the KJAM's speed and that's it, or is there any way I can get the video to work properly, maybe there is a TCPMP expert who can give me some settings to make it run faster, because besides from the slowness I really love these headsets and would hate to have to return them.
Thanks
In my Case, I didn't get any lag by watching Video or hearing music files, I didn't OCed my device, I use the same program (TCPMP) to watch the video, and the same encoder program as you. I don't do anything special when I encode my videos, just the button and done.
It looks like you may have some applications running in your devic which cause this lags and make it runs slow. I am sorry if I wasn't that much help, but I thought maybe my post will give you a light.
BTW my device is Qtek 9100 , and I use the last Qtek Rom.
be careful what videos you try and play...attach the video so we can test the same thing. Make sure it's a low bitrate and QVGA resolution of course.
Hi there, I have a little problem. During playback of some videos the audio stream is a little slower than normal.
In practice after 2 minutes of reproduction I seen 2 minutes of video but almost 1:45 minutes of audio. In fact voices are heavier and lower than normal.
Is there an alternative videoplayer to use? On my pc, in these cases I should have used vlc, now? Which program to install?
I can't find any vlc, coreplayer, mplayer....
Sent from my GT-I9000 using XDA App
I can be watching a tv episode, or a movie, doesn't matter. 75% through the file and the audio starts over at the beginning while the video continues to play through as normal. Making it impossible to finish a movie. I have tried wiping, trying different ROMS, different media players, and also different video converters. I am converting hdtv, bd, and regular avis into mp4 format with video at 600kb/s and audio from 96 to 128kbps keeping the framerate the same as source, and have also tried changing framerate to 23.97 and other fps settings to no avail. The video and audio play perfectly fine for the first hour or so then magically my problem happens, the audio starts over and the video plays as normal. What on earth is causing this? It's very frustrating. I have been dealing with this for months and had given up, but now that dexter season 5 is out, I MUST WATCH IT!
Any help is GREATLY appreciated. I am currently running Sparksmod 1.6.
Also I should probably note, when I watch these converted files on the PC they play perfectly fine all the way through.
Hi. Im running the newest virtuousXoom rom and experiencing odd playback issues with any video player i use on a 720p video file.
Mx Player for example plays the video EXTREMELY fast in hardware mode. I had though this may have had something to do with my cpu speed so clocked the tablet down. This changed nothing.
However if i OC to 1600mhz the video and audio are fine, but only in software mode. There maybe a very slight shudder in video.
Any clock setting below that renders the video unplayable.
I got this tablet for use when i go over seas in the next couple of weeks with hopes of being able to watch my movie collection without needing to convert every movie.
The hardware seems very capable so i can only guess at this point maybe its software related? Hell who knows i could be thirty different kinds of wrong.
The main question is, is there any program that will play these video files correctly?
TIA for any info anyone can give me.
mobo player. It plays all videos and content with a soft decode option.
bsplayer, and mirage beta worked best for me...
the two players that seem to work best for me are bsplayer and mirage beta.. good luck tho, it can be hit and miss with mkv and mp4..most straight avi files work fine though on most players. mobo did not impress me, as one person suggested.. best luck
Hi!
I had some problems with my Qualcomm-Device and HD-Sound, but I think I have a solution.
1) High-Definition flac-Files (24 bit / 96 khz etc.) tend to stutter even in built-in Music Player. If I turn the screen off, there are always very disturbing stutters about two minutes after every title started. Maybe this has something to do with regular power management, which slows the processor down even if you are not in power saving mode. The problem does not occur when I keep the screen on.
2) The built-in Music Player is not capable of playing DTS-WAV-Files. That's odd because much high quality music is encoded in this format. In another forum I read that only VLC, which is still in beta stadium, would handle these files. The Problems with stutter also occur with VLC.
After being angry I discovered that MX Player can be used as HD-Music Player for DTS-WAV-files, and there is no stutter. First you have to download the dts decoder (Decoder-->user defined codec). In Settings-->Audio you can check the first box to set MX Player to use this program as a music player. Then your music files can be found by MX Player. No stutter at all!
If you have ever heard HD-music with your Note 3 you dont' want to listen to MP3s any more.
Bye
Jan