Rockbox mail archive
Subject: Re: LOW_WATER and high bitrates
From: Alex Gitelman (alex_at_fg-soup.com)
>> As I mentioned before I was getting skips on 320Kbit
>> tracks. It got especially bad after last change to mpeg.c,
>> so I went into mpeg.c and for experiment changed MPEG_LOW_WATER
>> from 0x40000 to 0x160000 (0x80000 improved situation but did fix
>> the problem completely).
NLe> You really *must* have some other problems than just 320kbit/s. Before I
NLe> checked in the latest mpeg.c fix I tested it with 320kbit/s and it worked
NLe> just fine on my Recorder.
It does not necessary happen with all tracks. Some tracks would play
OK other would skip. Sometimes the problem appears with even 160Kbit
tracks. It may be something with my recorder but still it appeared
after some changes at the end of last week and worsened after last
change to mpeg.c. If you want you can get offending track at
>> After that it seems to play OK. It takes a while to start playing
>> though and probably is not easy on HD and battery. So probably other
>> solution should be found.
>> My wild guess is that for high bitrates disk reading just does not
>> have enough speed to be faster then playing.
NLe> Disk reading speed probably isn't the issue here, it might be the time it
NLe> takes for your HD to spin up. Can you get a feeling of how long it takes for
NLe> your disk to spin up before it starts reading?
I don't notice anything extraordinary with my disk spin up. Tell me
what exactly to look for and I'll check again.
Page was last modified "Jan 10 2012" The Rockbox Crew