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avc1Decoder 0.8.1

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QuickTime decompressor component for H.264/MPEG-4 AVC video. Free

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MyCometG3

avc1Decoder is a QuickTime decompressor component for H.264/MPEG-4 AVC Video Media (avc1).

Support B-frame, and some Main/Hi Profile features.
B-Pyramid is now playable under QuickTime Player.
Based on ffmpeg-SVN's libavcodec.

What's New

Version 0.8.1: Fix memory handling. Minor fixes. Sync core to ffmpeg SVN-15442.

Requirements
PPC / Intel, Mac OS X 10.4.11 and QuickTime 7.1.6 or later, or Mac OS X 10.5.2 and QuickTime 7.4.5.

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avc1Decoder User Discussion (Write a Review)

ver. 0.x:

(1)

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Antisound commented on 27 Jun 2010

The avc1 decoder ( version 0.7.6 and 0.8.1) both still play H.264 way better than the recent Perian plugin, way less stuttering during pan-scenes. But since the Perian project you have discontinued this plugin... Any chance you could write a new version of this plugin ? I prefer this one to Perian, but it does causes QT crashes avery now and then.

[Version 0.8.1]

steve_stevenunez.com tipped on 29 Dec 2007

The Sanyo Xacti HD1000 1080i clips will NOW play without problems using this decoder......great news for HD1000 owners!!!!

[Version 0.71]

1 Reply

+101

macsolu replied on 06 Jan 2008

Well, they play, but not "perfectly." My 1080i video from my Sanyo is slow and stuttered. But this is a step in the right direction. I really hope Apple steps up and fixes QuickTime -- version 1.6.1 of QT apparently had the capability to decode and play this type of video, but later versions of QT cannot.

+101

macsolu commented on 07 Dec 2007

Should this be used instead of Perian and Flip4Mac or in addition to those two Sys.Preferences?

[Version 0.7]

1 Reply

MyCometG3 (developer) replied on 09 Dec 2007

Either will do.

Thanos commented on 26 Sep 2007

CHRIS FAM, thanks for the tip. I was having the same problem. Now I can fire up Toast & iMovie!

[Version 0.6.8]

Chris Fam commented on 29 Jul 2007

I installed this and mp4vDecoder.component and now my Toast 8.01 won't lunch. Removed them and Toast lunch again, are they incompatible?

[Version 0.6.7]

2 Replies

MyCometG3 (developer) replied on 30 Jul 2007

avc1Decoder 0.6.7 is safe.

Some apps like Toast and mp4vDecoder has some compatibility issue same as Perian 1.0.

MyCometG3 (developer) replied on 17 Dec 2007

I have confirmed Toast 8.0.3 now compatible with mp4vDecoder.
And, avc1Decoder also does not have any issue with Toast 8.0.3. Please Update if you can.

+10

bucho commented on 25 Jun 2007

No chance of adding subtitle support (to this or the mpv4decoder) is there? Perian is delaying their release until December, so other options would be nice...

In any case, great work (encoders too)!

[Version 0.6.7]

1 Reply

+10

bucho replied on 30 Jun 2007

Perian 1.0 has been released 6 months early. LOL - joke's on me.

MyCometG3 (developer) commented on 15 May 2007

avc1Decoder runs on H.264 media only under mov and mp4 file. It also has postprocessing filter and color adjustment feature.

Perian runs many media type, but does not have postprocessing filter nor color adjustment.

You can install both.

[Version 0.6.6]

+127

meego commented on 15 May 2007

Hi,

a simple question

Is this better than Perian? Isn't it basically the same decoder?

[Version 0.6.6]

2 Replies

+49

mac adam replied on 15 May 2007

Perian is not for h264…

avc decodec allow read all h264 and mp4 what integer apple decodec not do (b frames, 8x8, etc…).

ps: if you try avc.decodec, no need mp4.decodec, avc.decodec decode mp4 and h264…

MyCometG3 (developer) replied on 15 May 2007

MPEG-4 AVC does not include MPEG-4 ASP/SP.
AVC is called as "H.264". ASP or SP are generally called as "MPEG-4".

avc1Decoder just handles H.264 media only.
mp4vDecoder handles ASP/SP media only.

+49

mac adam commented on 14 May 2007

Now allow read all :))

[Version 0.6.6]

MyCometG3 (developer) commented on 14 Apr 2007

I have tried a few HD trailers. Everything works fine.
Would you please tell me that URL?

[Version 0.6.5]

+49

mac adam had trouble on 10 Apr 2009

when I try to reencode h264 source to x264 with codec or quicktime, it really slow ?!
Can the avcdecoder could help more speed encode x264 ?

Nice work for x264Encoder !!!

[Version 0.8.1]

+49

mac adam had trouble on 14 May 2007

A little missing "x264" decodec in QuickTime info…
nothing more ;)

[Version 0.6.6]

+49

mac adam had trouble on 28 Apr 2007

Please Fix the slows from The Auto Mode Motion Estimation…

Spacial and Temporal play nice in Quicktime on G5 but Auto is really SlowDown…

thanx

[Version 0.6.5]

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