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Re: Avcodec.library bounty update
Quite a regular
Joined:
2006/11/24 13:43
From Long Riston, East Yorkshire.
Posts: 756
@diegocr

Quote:
Like with any other shared library, anybody is free to use it - it's up to the developer

Sorry, I didn't make myself clear. I meant from a user point of view.
I am not a developer, so wondered how to test this if Mplayer, and DvPlayer can't use it?
I am not trying to be a pain, but I am not a programmer, but would like to play with this.

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Eyetech A1XE-G3 800Mhz OS4.1
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Re: Avcodec.library bounty update
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2006/11/26 21:45
From A haunted Castle somewhere in the Bavarian Mountains
Posts: 2878
@Swoop

I think you misunderstand diegocr

You *can* use DVPlayer with this updated lib (see the comments on OS4Depot, it's even faster than the old one) and i already installed and tried it.
Apart from the missing .mp4 support it's working great.

MPlayer is another story, the porter decides what to use and (but i don't know that) he choosed to use something else.

AVCodec.library is a pretty new lib and diegocr meant that every dev or porter can make use of it (being a shared library)...right now though, it's only used by DVPlayer (or so i think) because cobra wrote it for DVPlayer in the first place (i think...again...my memory...sorry)

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Re: Avcodec.library bounty update
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2007/5/19 13:23
From England
Posts: 3487
Has anyone discovered any *downsides* to using the new library yet with DvPlayer?

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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/7/14 17:00
From Utah, USA
Posts: 238
Works fine for me so far.

AVcodec test


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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/6/1 7:36
Posts: 50
@samo79

Quote:
switched to the debug version now and then i restarted the same video, for now no new crash to report


Hmm, you may want to check again if you can reproduce the issue by using the non-debug version, in case there's something wrong with the debug version... (that's why we request a link to the movie/clip, to do such tests ourselves without annoying end-users


@trixie

Quote:
could avcodec.library be also used to just extract the audio track from the video file?


The lib can be used for this purpose, of course. However, the current API may does not contains every handy function one would expect to achieve it.


@Swoop

Quote:
......but would like to play with this.


What Raziel said


@ChrisH

Quote:
Has anyone discovered any *downsides* to using the new library yet with DvPlayer?


Why don't give it a try and tell us for yourself if there's any downsides?


@logicalheart

Quote:
AVcodec test


Nice video, thanks

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Re: Avcodec.library bounty update
Quite a regular
Joined:
2006/11/29 8:09
From Lyon, France
Posts: 896
Hello Diego,

As I told Mrodfr, when using your new library (thanks ) playing MPG files, sound is overboosted and saturates.

I gave Mrodfr a link to download this video.

I also noticed some slowdonws playing avi files (slower than with the older one) but it seems I am the only one (I also gave links to Mrodfr to download one of these videos to test).

By the way, will Altivec be supported in the near future. It would be a great enhancement.

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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/6/1 7:36
Posts: 50
Quote:
playing MPG files, sound is overboosted and saturates.


That's the new AC3 decoder, which initially was too quiet (much more than the old a52 used on 51.52) and i make it louder by using a hardcoded value... Noted and i'll fix it for the next version.

Quote:
will Altivec be supported in the near future.


Sure. I just didn't played with this yet as i'm not able to test it myself.. If you want to test it yourself i can send you the lib before it gets released.


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Re: Avcodec.library bounty update
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2006/11/26 21:45
From A haunted Castle somewhere in the Bavarian Mountains
Posts: 2878
@diegocr

In case of altivec...you got PM

edit: added info to make it look less spammed

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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/6/1 7:36
Posts: 50
@K-L

Quote:
I gave Mrodfr a link to download this video.


Nice find the video you pointed out - that's a 60fps one and fwiw i wasn't able to properly play it using neither MPC, VLC, nor MPlayer under Win7

I'd be interested on testing more of these if you have.

For now i've implemented some trick which should make it possible to play them at the cost of quality, as long the hardware isn't powerful enough.

http://amiga.sourceforge.net/temp/avcodec-53.1.39C03.7z

That's a debug-only version, which should fix the AC3 issue as well, test it yourself and let me know if everything is fine/acceptable.. if so i'll upload a new package to os4depot.

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Re: Avcodec.library bounty update
Quite a regular
Joined:
2008/3/11 8:29
From Dunedin, New Zealand
Posts: 868
I'd be happy to try out the Altivec release too if you're interested

I too experienced the slow/speed - downs/ups with various movie files; overall though it is certainly an improvement

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Re: Avcodec.library bounty update
Quite a regular
Joined:
2006/11/29 8:09
From Lyon, France
Posts: 896
@Diego

Actually, I created these video with FFmpeg under AmigaOS 4 (this one was converted from a 60 FPS MP4 file that MPlayer couldn't read even on my G4 1,26 nGhz).

I've tested the latest release and it works flawlessly (no more sound trouble, you can release it

BTW, I sent you a PM for the Altivec version.

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Re: Avcodec.library bounty update
Not too shy to talk
Joined:
2007/1/5 10:14
Posts: 261
@Diego

I'd like to check the Altivec version on my Peg2 as well, sending PM....

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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/6/1 7:36
Posts: 50
Quote:
this one was converted from a 60 FPS MP4 file that MPlayer couldn't read even on my G4 1,26 Ghz


That explains everything

Quote:
I've tested the latest release and it works flawlessly


Nice, i was afraid i may made other videos noticeably slow.. (due the checks for used fps..)

BTW, forgot to mention something else implemented on that version is the use of a new AVCODEC_LOWRES environment variable which when set to 1 should halve the size of the video, as a result you can watch that 60fps video with no frameskip but at 320x240 therefore..

Anybody familiar with ffmpeg should be aware already of that "lowres" option and how it works/use - I didn't tested it yet but theoretically it should make possible watching eg 720p movies on SAMs.. ;)


@Slayer

If you don't mind it could be nice if you at least post the specs of such movies you're talking about - and send me your email for the altivec version.

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Re: Avcodec.library bounty update
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Joined:
2006/12/2 3:55
From Italy, Perugia
Posts: 2975
Hi Diego, finally i'm come back for testing !

Quote:
Hmm, you may want to check again if you can reproduce the issue by using the non-debug version, in case there's something wrong with the debug version... (that's why we request a link to the movie/clip, to do such tests ourselves without annoying end-users


Yep, only problem is that my videos used for testing are quite big, for example right now i'm watching the InuYasha anime series, each clip is 150/180 or so megabytes so a bit annoying

I need to search on my backups if i have other smallest videos to try

My only crash was related to one of this anime video, aniway since i've installed the debug version (even the last one) i didn't got any new crash anymore, so till now all goes well except for a few little slowdowns from time to time, but maybe they are related to the video encoding used or it's just my Sam440 Flex that are a bit slow by itself

I will test other videos soon using the debug-bin, stay tuned for a decent report


Edited by samo79 on 2012/4/30 23:17:53
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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/6/1 7:36
Posts: 50
Quote:
each clip is 150/180 or so megabytes so a bit annoying to send


The .torrent file could be fine as well

Quote:
I will test other videos soon using the debug-bin, stay tuned for a decent report


Ok, thanks

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Re: Avcodec.library bounty update
Not too shy to talk
Joined:
2008/12/20 17:26
Posts: 258
Is there a PPC440ep optimised version?

As it seems with both dvplayer and mplayer I get 100% CPU load (667Mhz SAM), I imagine the playback could benefit from DSP instructions being used.

Anyone done any study on using DSP instruction of PPC440?

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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/6/1 7:36
Posts: 50
Quote:
Is there a PPC440ep optimised version?


That's something we tried, but it didn't performed any better than a normal/generic build, don't ask me why..

Something else weird we've noticed, Cobra was reporting the new lib performing better (compared to 51.52) on his sam440ep 667 than what i was noticing here on a 440ep-Flex - and that was recently confirmed by K-L as well, once again... don't ask me why - I always wondered if there was something wrong with the compiler i'm using (GCC 4.2.4 (adtools build 20100512))

Maybe you guys could help me to perform some quick benchmark test using the following tool:

http://amiga.sourceforge.net/temp/byte_test.lha

Here are my results under SAM440ep-Flex:

2.AmigaOS4:> byte_test
7856
7856
78563412
78563412
took 1.6496
took 2.0652
took 2.0662
took 1.6545

Feel free to test it under your machines and post back your results (if you want run the tool several times and pick the one which performs better..)

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Re: Avcodec.library bounty update
Just popping in
Joined:
2009/12/31 17:27
From Westerwald
Posts: 68
Hi.

Here are the result from my AmigaOne500:

7.RAM Disk:> cpu
System: PPCAMCC PPC460EX (emuliert MC68020/FPU) (INST: noCache)
Level 1 Cache-Größe: 32768, Level 2 Cache-Größe: 262144

7.RAM Disk:> byte_test
7856
7856
78563412
78563412
took 1.0529
took 1.3223
took 1.3138
took 1.0521

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Re: Avcodec.library bounty update
Home away from home
Joined:
2006/12/2 3:55
From Italy, Perugia
Posts: 2975
Here is what i got on my Sam Flex 800 system:

Quote:
5.AmigaOS4:> cpu
System: PPCAMCC PPC440EP (emulato MC68020/FPU) (INST: NoCache)
Level 1 Cache size: 32768, Level 2 Cache size: 0
5.AmigaOS4:>


Quote:
5.AmigaOS4:> "RAM Disk:byte_test"
7856
7856
78563412
78563412
took 1.5276
took 1.9051
took 1.9053
took 1.5217
5.AmigaOS4:>







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Re: Avcodec.library bounty update
Quite a regular
Joined:
2006/11/29 8:09
From Lyon, France
Posts: 896
From my AmigaOne G4 1,26 Ghz :

7.Workbench:> c:byte_test
7856
7856
78563412
78563412
took 0.9860
took 1.2268
took 1.0667
took 0.9915

And from my Sam440ep (MiniITX) o/c at 733 Mhz (FSB 147) :

2.Workbench:> c:byte_test
7856
7856
78563412
78563412
took 1.7063
took 2.1388
took 2.1224
took 1.7051

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