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WMA again
Marsdaddy:
--- Quote from: MU4L on April 20, 2006, 02:38:54 PM ---Just wondering if there was any more news on the progression front, Marsdaddy :) ?
Hope everything's going well,
--- End quote ---
Yes everything is going well but slowly... I was not expecting that the compiler used for the iRiver would have serious bugs in it! Anyway - I've got a plugin that compiles and runs fine in the simulator but barfs and dies on the H300 -- I am making progress but it's taking longer than I hoped.
So good news of sorts. I'll keep you posted - and the help I've had from the rockbox community has been invaluable ;)
c0rrupted:
hell yea!!!. i only found out about rockbox a week ago and was dissapointed that it didnt support wma. alot of my collection is in mp3 but i have about 10 albums that are all wma and to convert from wma to mp3 i wouldnt think would be a good idea so keep up the good work m8
Marsdaddy:
Another update for all those wondering where this has got to...
Today I decoded a WMA file on my H300 via a plugin I've written :)
That's the good news, two current issues: -
1) The decoder is not accurate enough - I sort of knew this but wanted to carry on with getting the WMA decoder working in the simulator and H300 first. I have a plan for tackling this as I can debug another WMA decoder etc. etc.
2) The decoder is sllllloooooowwwww... too slow. Good news is there are a number of places in the code that optimisations can be made.
I will tackle issue (1) first then optimise the fixed version
As always, when there is something to tell you I will post here ;)
MU4L:
Brilliant news Marsdaddy, and good to see you getting on so well.
I look forward to hearing more news from you ;D.
MU4L
preglow:
--- Quote from: Marsdaddy on May 10, 2006, 07:47:16 AM ---1) The decoder is not accurate enough - I sort of knew this but wanted to carry on with getting the WMA decoder working in the simulator and H300 first. I have a plan for tackling this as I can debug another WMA decoder etc. etc.
--- End quote ---
When I had a look at the patch, I noticed you only seem to use 32 bit multiplies everywhere. Might the precision problems be related to this? We usually use 64 bit muls pretty much everywhere we can.
--- Quote from: Marsdaddy on May 10, 2006, 07:47:16 AM ---2) The decoder is sllllloooooowwwww... too slow. Good news is there are a number of places in the code that optimisations can be made.
--- End quote ---
No surprise there. Almost all our codecs had to have quite some optimising before running well. How slow are we talking? I bet there are some people (me included) that'd love to help you in optimising it, so pretty please, aim to have it commited before you start working too much on this on your own :)
Nice work!
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