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/  Forum Index
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      /  A Little Emotion
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PosterThread
wawa 
Re: A Little Emotion
Posted on 26-Feb-2017 10:55:17
#41 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@imagodespira

Quote:
We also hope that you understand that Emotion (in his first version, coded from one guy in many month for a small hand of Euros ;)) can not perform in all disciplines better than a well maintained multiple developer tool like mplayer.


as far as i understand emotion is actually using (modified) ffmpeg as decoder, which is a core comparable to mplayer, and as such also developed/maintained by a larger team of open source developers. so this comparison, as if this player was coded in few months by a single person from the scratch sounds a bit weird.

if emotion performs worse than mplayer, then it simply means means that ffmpeg even after your optimizations may be still less performant, perhaps less optimized for ppc or big endian. but you will propbably have your rasons for choosing it.

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K-L 
Re: A Little Emotion
Posted on 26-Feb-2017 11:04:30
#42 ]
Super Member
Joined: 3-Mar-2006
Posts: 1410
From: Oullins, France

@TargExplorer

Of course ! You can even play Mpeg2 file in higher defintions.

But, as said imagodespira, MP4 is the most used format theses days so this is what we now test when talking about 720p and 1080p def videos.

_________________
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pavlor 
Re: A Little Emotion
Posted on 26-Feb-2017 11:24:16
#43 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@wawa

Quote:
if emotion performs worse than mplayer


Emotion is faster with videos I played. Try Emotion yourself, it is simply the best video player for Amiga.

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TargExplorer 
Re: A Little Emotion
Posted on 26-Feb-2017 11:26:34
#44 ]
Member
Joined: 16-Feb-2017
Posts: 10
From: Unknown

@pavlor


Same for me.
Mplayer often stutters or loses AV sync.
Emotion is certainly superior in this area.

Also using Emotion as the player for smtube has transformed that program! 😊

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ChrisH 
Re: A Little Emotion
Posted on 26-Feb-2017 11:54:45
#45 ]
Elite Member
Joined: 30-Jan-2005
Posts: 6679
From: Unknown

@Tuxedo Quote:
I tryed some video (3 or 4) and all was slower...

At first I thought that too:
http://www.amigans.net/modules/xforum/viewtopic.php?post_id=105926#forumpost105926

But later I realised I was mistaken:
http://www.amigans.net/modules/xforum/viewtopic.php?post_id=105995#forumpost105995

Quote:
After a little more testing, it seems that in the problematic videos, Emotion's audio stutters, where-as LFI-Mplayer's audio goes out of sync with the video (audio ahead of video, until you skip backwards/forwards).


So it's quite possible that you only think Emotion is slower, because the audio stuttering is more noticable than MPlayer's behaviour (where the audio slowly goes out-of-sync with the video).

If you are watching anime/animation (as I think you do?), then audio/video desync is far less noticable (at least up to a certain point) due to animated lips only being approximate in the first place (so your brain will be used to ignoring a certain amount of mis-match). And if you are watching anime with japanese voices (and reading english subtitles), then the issue will be even less noticable still. (That at least is why I initially wrongly thought MPlayer was better than Emotion on demanding videos.)

P.S. I am hoping that Emotion eventually gets better at Auto Frameskipping, so that we don't get audio stutter on videos that are too demanding.

Last edited by ChrisH on 26-Feb-2017 at 11:57 AM.

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kyle 
Re: A Little Emotion
Posted on 26-Feb-2017 12:14:05
#46 ]
Cult Member
Joined: 15-Oct-2006
Posts: 866
From: Livorno, Italy

@ChrisH

We only need now gfx acceleration in video decoding
Hope in future releases.

By the way, I still have to purchase my Emotion copy

Last edited by kyle on 26-Feb-2017 at 12:14 PM.

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Tuxedo 
Re: A Little Emotion
Posted on 26-Feb-2017 13:22:34
#47 ]
Elite Member
Joined: 28-Nov-2003
Posts: 2341
From: Perugia, ITALY

@ChrisH

mmm...
I spoke about emotion slower than mplayer because I look at cpu usage and it was much more used on emotion than on mplayer...
Dunno if with a better auto frame skip it will be better...

Currently I noticed that quite big difference also on videos than not use cpu at 100%(so no need to frame skip)...



PS Yes I look at japanese animation but honestly not on AmigaOS...better on Tv with smart boxes or ps3...

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wawa 
Re: A Little Emotion
Posted on 26-Feb-2017 14:51:04
#48 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@pavlor

Quote:
Try Emotion yourself


i mainly commented upon inappropriate comparison of emotion/ffmpeg being an achievement of an individual as opposed to mplayer as an achievement of a huge team. i dont know for fact which one of these is slower or faster. i might try to compare them on an pc, for all i care, but i cant be actually bothered with buying ppc hardware for this purpose.

Last edited by wawa on 26-Feb-2017 at 02:51 PM.

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ChrisH 
Re: A Little Emotion
Posted on 26-Feb-2017 15:01:54
#49 ]
Elite Member
Joined: 30-Jan-2005
Posts: 6679
From: Unknown

@Tuxedo Quote:
I spoke about emotion slower than mplayer because I look at cpu usage and it was much more used on emotion than on mplayer...

From my tests Emotion had about same CPU usage as LiveForIt-MPlayer... but you need to make sure your tests are like-for-like:
* Auto Frameskipping is usually enabled on MPlayer, so it must be enabled on Emotion too.
* LiveForIt MPlayer apparently also disables Filtering (although I always disable it for MPlayer), so again you must disable it for Emotion.

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pavlor 
Re: A Little Emotion
Posted on 26-Feb-2017 15:02:54
#50 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@wawa

I use Emotion with WinUAE/OS4. Cheap enough even for you.

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wawa 
Re: A Little Emotion
Posted on 26-Feb-2017 16:36:52
#51 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@pavlor

Quote:
use Emotion with WinUAE/OS4. Cheap enough even for you.


you know very well, you wont talk me into it. if i wanted os4 under uae i would have bought it already. i treat uae as interium means to run and test amiga software i would run on a real system. if i want to watch videos on pc i dont need uae, yet less os4.

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Tuxedo 
Re: A Little Emotion
Posted on 26-Feb-2017 19:26:52
#52 ]
Elite Member
Joined: 28-Nov-2003
Posts: 2341
From: Perugia, ITALY

@ChrisH

I tryed emotion/liveforit/mplayer form afxgroup...

So...the problem was that liveforit and emotion was quite similar on my Peg2 with Radeon9000pro...

But mplayer from afxgroup was waaay faster than the other 2...about 10 to 30%...

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K-L 
Re: A Little Emotion
Posted on 27-Feb-2017 7:30:37
#53 ]
Super Member
Joined: 3-Mar-2006
Posts: 1410
From: Oullins, France

@Tuxedo

MPlayer from AfxGroup has a lot of tearings and uses an older version of FFmpeg (and doesn't support newer formats).

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AmigaONE X1000, 2GB, Sapphire Radeon HD 7700
FPGA Replay + DB 68060 at 85Mhz

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thellier 
Re: A Little Emotion
Posted on 27-Feb-2017 9:22:12
#54 ]
Regular Member
Joined: 2-Nov-2009
Posts: 263
From: Paris

@imagodespira

Hello
>Supporting RadeonHD hardware decoding

What is the exact problem to resolve ? I mean now with Nova isnt it possible to make a frag shader to achieve this task in a texture ?

Alain Thellier

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Tuxedo 
Re: A Little Emotion
Posted on 27-Feb-2017 22:20:36
#55 ]
Elite Member
Joined: 28-Nov-2003
Posts: 2341
From: Perugia, ITALY

@K-L

With our poor CPUs no a big matter to support newer formats unfortunately...

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Hans 
Re: A Little Emotion
Posted on 28-Feb-2017 0:55:30
#56 ]
Elite Member
Joined: 27-Dec-2003
Posts: 5066
From: New Zealand

@thellier

Quote:

thellier wrote:
@imagodespira

Hello
>Supporting RadeonHD hardware decoding

What is the exact problem to resolve ? I mean now with Nova isnt it possible to make a frag shader to achieve this task in a texture ?

AFAIK, all projects to use shaders for video decoding have been abandoned. Most likely because video decoding is complicated, and using dedicated video decoder hardware (e.g., UVD) is a better option.

You're welcome to have a look for shader based video decoders. Maybe there's a project that is sufficiently advanced that it's usable.

Hans

_________________
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Nicsoft 
Re: A Little Emotion
Posted on 28-Feb-2017 1:11:09
#57 ]
Regular Member
Joined: 5-Sep-2004
Posts: 237
From: Sweden

@Hans

VLC (Windows) had it in 2010:
http://www.raiska.com/vlc/vlc_GPU_decoding_acceleration_option.jpg

Have VLC abandoned it..?

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ChrisH 
Re: A Little Emotion
Posted on 28-Feb-2017 12:02:59
#58 ]
Elite Member
Joined: 30-Jan-2005
Posts: 6679
From: Unknown

@Tuxedo @K-L
Where is this "MPlayer from AfxGroup"? A quick Google didn't reveal anything, but I may be missing something.

And AFAIK, LiveForIt-MPlayer was the fastest MPlayer for OS4. It felt like day & night going from old MUI-MPlayer to LiveForIt-MPlayer.

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elwood 
Re: A Little Emotion
Posted on 28-Feb-2017 12:26:20
#59 ]
Elite Member
Joined: 17-Sep-2003
Posts: 3428
From: Lyon, France

@ChrisH

This one probably.

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ChrisH 
Re: A Little Emotion
Posted on 28-Feb-2017 13:07:42
#60 ]
Elite Member
Joined: 30-Jan-2005
Posts: 6679
From: Unknown

@elwood
Yikes. That's just about the oldest possible version of MPlayer you could be using. And at least on my X1000 I had to use SDL output, which is (of course) horrendously slow.

@Tuxedo Quote:
So...the problem was that liveforit and emotion was quite similar on my Peg2 with Radeon9000pro...

I guess the reason Emotion is slower for you (*) than ancient MPlayer, must be something to do with your hardware. Specifically your old graphics card. (* apparently! I am still a bit skeptical...)

Emotion is no-doubt designed foremost with RadeonHD cards in mind. I was surprised to see it mentioned supporting PIP at all (on old cards). So perhaps Emotion needs more work on the PIP front?

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