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c: _saveBuffer

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This commit is contained in:
Mittenshugg
2020-08-05 23:40:08 -05:00
parent 1d0efb5d0d
commit 09e50410b6
1 changed files with 46 additions and 2 deletions
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src/unknown_064830.c
+46 -2
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@@ -31,8 +31,52 @@ s32 alFxParam(void* filter, s32 paramID, void* param) {
GLOBAL_ASM("asm/non_matchings/unknown_064830/alFxParamHdl.s")
GLOBAL_ASM("asm/non_matchings/unknown_064830/_loadOutputBuffer.s")
GLOBAL_ASM("asm/non_matchings/unknown_064830/_loadBuffer.s")
GLOBAL_ASM("asm/non_matchings/unknown_064830/_saveBuffer.s")
//GLOBAL_ASM("asm/non_matchings/unknown_064830/_filterBuffer.s")
//GLOBAL_ASM("asm/non_matchings/unknown_064830/_saveBuffer.s")
/*
* This routine is for writing data to the delay line buff. If the
* address of curr_ptr < r->base, it will force it to be within r->base
* space. If the write goes past the end of r->base, it will wrap around
* Cause count bytes of data at buff to be written to delay line, curr_ptr.
*/
Acmd *_saveBuffer(ALFx *r, s16 *curr_ptr, s32 buff, s32 count, Acmd *p)
{
Acmd *ptr = p;
s32 after_end, before_end;
s16 *updated_ptr, *delay_end;
#ifdef AUD_PROFILE
lastCnt[++cnt_index] = osGetCount();
#endif
delay_end = &r->base[r->length];
if (curr_ptr < r->base) /* probably just security */
curr_ptr += r->length; /* shouldn't occur */
updated_ptr = curr_ptr + count;
if (updated_ptr > delay_end) { /* if the data wraps past end of r->base */
after_end = updated_ptr - delay_end;
before_end = delay_end - curr_ptr;
aSetBuffer(ptr++, 0, 0, buff, before_end<<1);
aSaveBuffer(ptr++, osVirtualToPhysical(curr_ptr));
aSetBuffer(ptr++, 0, 0, buff+(before_end<<1), after_end<<1);
aSaveBuffer(ptr++, osVirtualToPhysical(r->base));
aSetBuffer(ptr++, 0, 0, 0, count<<1);
} else {
aSetBuffer(ptr++, 0, 0, buff, count<<1);
aSaveBuffer(ptr++, osVirtualToPhysical(curr_ptr));
}
#ifdef AUD_PROFILE
PROFILE_AUD(save_num, save_cnt, save_max, save_min);
#endif
return ptr;
}
Acmd *_filterBuffer(ALLowPass *lp, s32 buff, s32 count, Acmd *p)
{
Acmd *ptr = p;