Rockbox General > Rockbox General Discussion

slow playing in lossless formats

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markun:

--- Quote from: lexx on April 05, 2008, 10:27:42 PM --- i have ipod 5.5 80gb and i upgrade to the new version of rockbox and i have freezees and slow playing in lossless formats like wav and flac - before i updated all was good why its happen ?

Version: r16976-080405

--- End quote ---

If resetting your settings doesn't help, can you try older builds until you find exactly which build breaks playback for you?


--- Quote from: Mad Cow on April 07, 2008, 07:52:13 AM ---...FLAC is open source, so ... faster than even MP3.
--- End quote ---

That statement doesn't make any sense.

scorche:
...didn't we sort this out in IRC?

From http://www.rockbox.org/irc/log-20080406#04:16:11 to http://www.rockbox.org/irc/log-20080406#04:58:49

lexx:
yes it was i

Mad Cow:

--- Quote from: markun on April 07, 2008, 01:11:38 PM ---
--- Quote from: lexx on April 05, 2008, 10:27:42 PM --- i have ipod 5.5 80gb and i upgrade to the new version of rockbox and i have freezees and slow playing in lossless formats like wav and flac - before i updated all was good why its happen ?

Version: r16976-080405

--- End quote ---

If resetting your settings doesn't help, can you try older builds until you find exactly which build breaks playback for you?


--- Quote from: Mad Cow on April 07, 2008, 07:52:13 AM ---...FLAC is open source, so ... faster than even MP3.
--- End quote ---

That statement doesn't make any sense.



--- End quote ---

That I meant to say is that it's much, much better documented. Most MP3 decoders are all reverse engineered, while FLAC decoders are based on the source code and likely much more documentation.

saratoga:

--- Quote from: Mad Cow on April 08, 2008, 06:34:39 PM ---That I meant to say is that it's much, much better documented.

--- End quote ---

They're actually both about equally well documented, with mp3 maybe a bit better since theres so many books written about it and so many decoders to look at.


--- Quote from: Mad Cow on April 08, 2008, 06:34:39 PM --- Most MP3 decoders are all reverse engineered, while FLAC decoders are based on the source code and likely much more documentation.

--- End quote ---

I don't think there are any reverse engineered MP3 decoders.  Its actually an open format, with the mpeg people distributing both the spec and a reference codec (dist10).

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