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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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68
apps/plugin.c
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@ -123,6 +123,10 @@ static const struct plugin_api rockbox_api = {
lcd_get_background,
lcd_bitmap_part,
lcd_bitmap,
#endif
#if LCD_DEPTH == 16
lcd_bitmap_transparent_part,
lcd_bitmap_transparent,
#endif
lcd_putsxy,
lcd_puts_style,
@ -198,6 +202,7 @@ static const struct plugin_api rockbox_api = {
settings_parseline,
#ifndef SIMULATOR
ata_sleep,
ata_disk_is_active,
#endif
/* dir */
@ -225,6 +230,17 @@ static const struct plugin_api rockbox_api = {
timer_unregister,
timer_set_period,
#endif
queue_init,
queue_delete,
queue_post,
queue_wait_w_tmo,
usb_acknowledge,
#ifdef RB_PROFILE
profile_thread,
profstop,
profile_func_enter,
profile_func_exit,
#endif
/* strings and memory */
snprintf,
@ -238,6 +254,7 @@ static const struct plugin_api rockbox_api = {
strncasecmp,
memset,
memcpy,
memmove,
_ctype_,
atoi,
strchr,
@ -332,6 +349,23 @@ static const struct plugin_api rockbox_api = {
menu_insert,
menu_set_cursor,
/* power */
battery_level,
battery_level_safe,
battery_time,
#ifndef SIMULATOR
battery_voltage,
#endif
#ifdef HAVE_CHARGING
charger_inserted,
# ifdef HAVE_CHARGE_STATE
charging_state,
# endif
#endif
#ifdef HAVE_USB_POWER
usb_powered,
#endif
/* misc */
srand,
rand,
@ -353,8 +387,6 @@ static const struct plugin_api rockbox_api = {
count_mp3_frames,
create_xing_header,
find_next_frame,
battery_level,
battery_level_safe,
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
peak_meter_scale_value,
peak_meter_set_use_dbfs,
@ -368,37 +400,7 @@ static const struct plugin_api rockbox_api = {
/* new stuff at the end, sort into place next time
the API gets incompatible */
#ifdef RB_PROFILE
profile_thread,
profstop,
profile_func_enter,
profile_func_exit,
#endif
battery_time,
#ifndef SIMULATOR
ata_disk_is_active,
battery_voltage,
#endif
queue_init,
queue_delete,
queue_post,
queue_wait_w_tmo,
usb_acknowledge,
#if LCD_DEPTH == 16
lcd_bitmap_transparent_part,
lcd_bitmap_transparent,
#endif
memmove,
#ifdef HAVE_CHARGING
charger_inserted,
# ifdef HAVE_CHARGE_STATE
charging_state,
# endif
#endif
#ifdef HAVE_USB_POWER
usb_powered,
#endif
};
int plugin_load(const char* plugin, void* parameter)