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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

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

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Antisound Member IconComment+0
Antisound
+0

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.

Reply0 replies
Version 0.8.1
mac adam Member IconComment+154
mac adam
+1

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 !!!

Reply0 replies
Version 0.8.1
macsolu Member IconComment+163
macsolu
+0

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

Reply1 reply
Version 0.7
MyCometG3 (Developer)
+0

Either will do.

Thanos Member IconComment+0
Thanos
+0

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

Reply0 replies
Version 0.6.8
Chris Fam Member IconComment+3
Chris Fam
+0

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

Reply2 replies
Version 0.6.7
MyCometG3 (Developer)
+0

avc1Decoder 0.6.7 is safe.

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

MyCometG3 (Developer)
+0

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.

Bucho Member IconComment+13
Bucho
+0

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)!

Reply1 reply
Version 0.6.7
Bucho
+0

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

MyCometG3 (Developer) Member IconDev+22
MyCometG3 (Developer)
+0

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.

Reply0 replies
Version 0.6.6
meego Member IconComment+165
meego
+0

Hi,

a simple question

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

Reply2 replies
Version 0.6.6
mac adam
+0

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)
+0

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.

mac adam Member IconComment+154
mac adam
+0

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

Reply0 replies
Version 0.6.6
mac adam Member IconComment+154
mac adam
+0

Now allow read all :))

Reply0 replies
Version 0.6.6
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Details

Downloads 43,024
Version Downloads 16,784
License Free
Date 28 Sep 2008
Platform OS X / PPC 32 / Intel 32
Price Free
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