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Rework PCM buffer

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* Linked list instead of static array buffer pointers
* Variable sized chunks
* Improved mix handling
* Reduction in duplicated code
* Reduced IRAM usage w/o sacrificing performance
* Converted to almost entirely unsigned math
* Add pause function to reduce pcm_* exposure to playback.

This WILL break playback on the iPod until linuxstb makes a followup commit.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8612 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Brandon Low 2006-02-07 20:38:55 +00:00
parent 566ce5f951
commit 413da2a3d9
13 changed files with 667 additions and 531 deletions
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4
apps/plugins/rockboy/rbsound.c
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@ -35,7 +35,7 @@ static unsigned short *gmbuf;
static bool newly_started;
void get_more(unsigned char** start, long* size)
void get_more(unsigned char** start, size_t* size)
{
#ifdef ONEBUF
doneplay=1;
@ -108,7 +108,7 @@ int pcm_submit(void)
if(newly_started)
{
rb->pcm_play_data(&get_more);
rb->pcm_play_data(&get_more,NULL,0);
newly_started = false;
}