Decompile alAudioFrame
This commit is contained in:
Ryan Dwyer
parent
f4a706c0c8
commit
dce847981c
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@ -5,8 +5,6 @@
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#include "types.h"
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u32 func00030ce0(void);
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u32 func00031634(void);
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u32 func00031698(void);
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u32 func000316d0(void);
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#endif
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@ -4,6 +4,6 @@
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#include "data.h"
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#include "types.h"
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u32 func0003c430(void);
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Acmd *func0003c430(s32 arg0, void *arg1);
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#endif
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@ -417,153 +417,75 @@ glabel func00030ce0
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/* 312e0: 00000000 */ nop
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);
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GLOBAL_ASM(
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glabel alAudioFrame
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/* 312e4: 27bdffc0 */ addiu $sp,$sp,-64
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/* 312e8: afbf001c */ sw $ra,0x1c($sp)
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/* 312ec: afa40040 */ sw $a0,0x40($sp)
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/* 312f0: afa50044 */ sw $a1,0x44($sp)
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/* 312f4: afa60048 */ sw $a2,0x48($sp)
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/* 312f8: afa7004c */ sw $a3,0x4c($sp)
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/* 312fc: afb10018 */ sw $s1,0x18($sp)
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/* 31300: afb00014 */ sw $s0,0x14($sp)
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/* 31304: 8fae0040 */ lw $t6,0x40($sp)
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/* 31308: afae0038 */ sw $t6,0x38($sp)
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/* 3130c: 8faf0048 */ lw $t7,0x48($sp)
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/* 31310: afaf002c */ sw $t7,0x2c($sp)
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/* 31314: 3c188006 */ lui $t8,%hi(alGlobals)
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/* 31318: 8f18f114 */ lw $t8,%lo(alGlobals)($t8)
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/* 3131c: 8f190000 */ lw $t9,0x0($t8)
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/* 31320: 17200005 */ bnez $t9,.L00031338
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/* 31324: 00000000 */ nop
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/* 31328: 8fa80044 */ lw $t0,0x44($sp)
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/* 3132c: ad000000 */ sw $zero,0x0($t0)
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/* 31330: 1000006f */ b .L000314f0
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/* 31334: 8fa20040 */ lw $v0,0x40($sp)
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.L00031338:
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/* 31338: 0c00c5b4 */ jal func000316d0
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/* 3133c: 27a4003c */ addiu $a0,$sp,0x3c
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/* 31340: 3c098006 */ lui $t1,%hi(alGlobals)
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/* 31344: 8d29f114 */ lw $t1,%lo(alGlobals)($t1)
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/* 31348: 3c0a8006 */ lui $t2,%hi(alGlobals)
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/* 3134c: ad22001c */ sw $v0,0x1c($t1)
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/* 31350: 8d4af114 */ lw $t2,%lo(alGlobals)($t2)
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/* 31354: 8fae004c */ lw $t6,0x4c($sp)
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/* 31358: 8d4b001c */ lw $t3,0x1c($t2)
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/* 3135c: 8d4c0020 */ lw $t4,0x20($t2)
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/* 31360: 016c6823 */ subu $t5,$t3,$t4
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/* 31364: 01ae082a */ slt $at,$t5,$t6
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/* 31368: 10200022 */ beqz $at,.L000313f4
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/* 3136c: 00000000 */ nop
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.L00031370:
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/* 31370: 3c0f8006 */ lui $t7,%hi(alGlobals)
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/* 31374: 8deff114 */ lw $t7,%lo(alGlobals)($t7)
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/* 31378: 2401fff0 */ addiu $at,$zero,-16
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/* 3137c: 8df8001c */ lw $t8,0x1c($t7)
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/* 31380: 0301c824 */ and $t9,$t8,$at
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/* 31384: adf9001c */ sw $t9,0x1c($t7)
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/* 31388: 8fa8003c */ lw $t0,0x3c($sp)
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/* 3138c: 8d190008 */ lw $t9,0x8($t0)
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/* 31390: 01002025 */ or $a0,$t0,$zero
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/* 31394: 0320f809 */ jalr $t9
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/* 31398: 00000000 */ nop
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/* 3139c: 00408825 */ or $s1,$v0,$zero
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/* 313a0: 0c00c58d */ jal func00031634
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/* 313a4: 02202025 */ or $a0,$s1,$zero
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/* 313a8: 8fa9003c */ lw $t1,0x3c($sp)
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/* 313ac: 00408025 */ or $s0,$v0,$zero
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/* 313b0: 8d2a0010 */ lw $t2,0x10($t1)
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/* 313b4: 01505821 */ addu $t3,$t2,$s0
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/* 313b8: ad2b0010 */ sw $t3,0x10($t1)
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/* 313bc: 0c00c5b4 */ jal func000316d0
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/* 313c0: 27a4003c */ addiu $a0,$sp,0x3c
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/* 313c4: 3c0c8006 */ lui $t4,%hi(alGlobals)
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/* 313c8: 8d8cf114 */ lw $t4,%lo(alGlobals)($t4)
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/* 313cc: 3c0d8006 */ lui $t5,%hi(alGlobals)
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/* 313d0: ad82001c */ sw $v0,0x1c($t4)
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/* 313d4: 8dadf114 */ lw $t5,%lo(alGlobals)($t5)
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/* 313d8: 8fa8004c */ lw $t0,0x4c($sp)
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/* 313dc: 8dae001c */ lw $t6,0x1c($t5)
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/* 313e0: 8db80020 */ lw $t8,0x20($t5)
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/* 313e4: 01d87823 */ subu $t7,$t6,$t8
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/* 313e8: 01e8082a */ slt $at,$t7,$t0
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/* 313ec: 1420ffe0 */ bnez $at,.L00031370
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/* 313f0: 00000000 */ nop
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.L000313f4:
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/* 313f4: 3c198006 */ lui $t9,%hi(alGlobals)
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/* 313f8: 8f39f114 */ lw $t9,%lo(alGlobals)($t9)
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/* 313fc: 2401fff0 */ addiu $at,$zero,-16
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/* 31400: 8f2a001c */ lw $t2,0x1c($t9)
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/* 31404: 01415824 */ and $t3,$t2,$at
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/* 31408: af2b001c */ sw $t3,0x1c($t9)
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/* 3140c: 8fa9004c */ lw $t1,0x4c($sp)
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/* 31410: 1920002b */ blez $t1,.L000314c0
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/* 31414: 00000000 */ nop
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.L00031418:
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/* 31418: 3c0c8006 */ lui $t4,%hi(alGlobals)
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/* 3141c: 8d8cf114 */ lw $t4,%lo(alGlobals)($t4)
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/* 31420: 8fae004c */ lw $t6,0x4c($sp)
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/* 31424: 8d8d0044 */ lw $t5,0x44($t4)
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/* 31428: 01ae082a */ slt $at,$t5,$t6
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/* 3142c: 10200003 */ beqz $at,.L0003143c
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/* 31430: 00000000 */ nop
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/* 31434: 10000003 */ b .L00031444
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/* 31438: afad0030 */ sw $t5,0x30($sp)
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.L0003143c:
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/* 3143c: 8fb8004c */ lw $t8,0x4c($sp)
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/* 31440: afb80030 */ sw $t8,0x30($sp)
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.L00031444:
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/* 31444: 8faf0038 */ lw $t7,0x38($sp)
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/* 31448: afaf0034 */ sw $t7,0x34($sp)
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/* 3144c: 3c0a8006 */ lui $t2,%hi(alGlobals)
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/* 31450: 8d4af114 */ lw $t2,%lo(alGlobals)($t2)
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/* 31454: 8fa8002c */ lw $t0,0x2c($sp)
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/* 31458: ad480048 */ sw $t0,0x48($t2)
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/* 3145c: 3c0b8006 */ lui $t3,%hi(alGlobals)
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/* 31460: 8d6bf114 */ lw $t3,%lo(alGlobals)($t3)
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/* 31464: 8fa50034 */ lw $a1,0x34($sp)
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/* 31468: 0c00f10c */ jal func0003c430
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/* 3146c: 8d640020 */ lw $a0,0x20($t3)
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/* 31470: afa20038 */ sw $v0,0x38($sp)
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/* 31474: 8fb9004c */ lw $t9,0x4c($sp)
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/* 31478: 8fa90030 */ lw $t1,0x30($sp)
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/* 3147c: 03296023 */ subu $t4,$t9,$t1
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/* 31480: afac004c */ sw $t4,0x4c($sp)
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/* 31484: 8fad0030 */ lw $t5,0x30($sp)
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/* 31488: 8fae002c */ lw $t6,0x2c($sp)
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/* 3148c: 000dc040 */ sll $t8,$t5,0x1
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/* 31490: 00187840 */ sll $t7,$t8,0x1
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/* 31494: 01cf4021 */ addu $t0,$t6,$t7
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/* 31498: afa8002c */ sw $t0,0x2c($sp)
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/* 3149c: 3c0a8006 */ lui $t2,%hi(alGlobals)
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/* 314a0: 8d4af114 */ lw $t2,%lo(alGlobals)($t2)
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/* 314a4: 8fb90030 */ lw $t9,0x30($sp)
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/* 314a8: 8d4b0020 */ lw $t3,0x20($t2)
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/* 314ac: 01794821 */ addu $t1,$t3,$t9
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/* 314b0: ad490020 */ sw $t1,0x20($t2)
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/* 314b4: 8fac004c */ lw $t4,0x4c($sp)
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/* 314b8: 1d80ffd7 */ bgtz $t4,.L00031418
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/* 314bc: 00000000 */ nop
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.L000314c0:
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/* 314c0: 8fad0038 */ lw $t5,0x38($sp)
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/* 314c4: 8fb80040 */ lw $t8,0x40($sp)
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/* 314c8: 8fa80044 */ lw $t0,0x44($sp)
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/* 314cc: 01b87023 */ subu $t6,$t5,$t8
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/* 314d0: 000e78c3 */ sra $t7,$t6,0x3
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/* 314d4: ad0f0000 */ sw $t7,0x0($t0)
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/* 314d8: 0c00c564 */ jal _collectPVoices
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/* 314dc: 00000000 */ nop
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/* 314e0: 10000003 */ b .L000314f0
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/* 314e4: 8fa20038 */ lw $v0,0x38($sp)
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/* 314e8: 10000001 */ b .L000314f0
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/* 314ec: 00000000 */ nop
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.L000314f0:
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/* 314f0: 8fbf001c */ lw $ra,0x1c($sp)
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/* 314f4: 8fb00014 */ lw $s0,0x14($sp)
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/* 314f8: 8fb10018 */ lw $s1,0x18($sp)
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/* 314fc: 03e00008 */ jr $ra
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/* 31500: 27bd0040 */ addiu $sp,$sp,0x40
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);
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s32 __nextSampleTime(ALPlayer **client);
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s32 _timeToSamplesNoRound(s32 micros);
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Acmd *alAudioFrame(Acmd *cmdList, s32 *cmdLen, s16 *outBuf, s32 outLen)
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{
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ALPlayer *client;
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Acmd *cmdlEnd = cmdList;
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Acmd *cmdPtr;
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s32 nOut;
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s16 *lOutBuf = outBuf;
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if (alGlobals->drvr.head == 0) {
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*cmdLen = 0;
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return cmdList; /* nothing to do */
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}
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/*
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* run down list of clients and execute callback if needed this
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* subframe. Here we do all the work for the frame at the
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* start. Time offsets that occur before the next frame are
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* executed "early".
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*/
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/*
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* paramSamples = time of next parameter change.
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* curSamples = current sample time.
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* so paramSamples - curSamples is the time until the next parameter change.
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* if the next parameter change occurs within this frame time (outLen),
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* then call back the client that contains the parameter change.
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* Note, paramSamples must be rounded down to 16 sample boundary for use
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* during the client handler.
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*/
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for (alGlobals->drvr.paramSamples = __nextSampleTime(&client);
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alGlobals->drvr.paramSamples - alGlobals->drvr.curSamples < outLen;
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alGlobals->drvr.paramSamples = __nextSampleTime(&client)) {
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alGlobals->drvr.paramSamples &= ~0xf;
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client->samplesLeft += _timeToSamplesNoRound((*client->handler)(client));
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}
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/* for safety's sake, always store paramSamples aligned to 16 sample boundary.
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* this way, if an voice handler routine gets called outside the ALVoiceHandler
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* routine (alSynAllocVoice) it will get timestamped with an aligned value and
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* will be processed immediately next audio frame.
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*/
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alGlobals->drvr.paramSamples &= ~0xf;
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/*
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* Now build the command list in small chunks
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*/
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while (outLen > 0) {
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nOut = MIN(alGlobals->drvr.outputRate, outLen);
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cmdPtr = cmdlEnd;
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alGlobals->drvr.maxOutSamples = (s32)lOutBuf;
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cmdlEnd = func0003c430(alGlobals->drvr.curSamples, cmdPtr);
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outLen -= nOut;
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lOutBuf += nOut << 1; /* For Stereo */
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alGlobals->drvr.curSamples += nOut;
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}
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*cmdLen = (s32) (cmdlEnd - cmdList);
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_collectPVoices(); /* collect free physical voices */
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return cmdlEnd;
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}
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ALParam *__allocParam()
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{
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@ -604,7 +526,7 @@ void _freePVoice(PVoice *pvoice)
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}
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GLOBAL_ASM(
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glabel func00031634
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glabel _timeToSamplesNoRound
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/* 31634: 27bdfff8 */ addiu $sp,$sp,-8
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/* 31638: 3c0e8006 */ lui $t6,%hi(alGlobals)
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/* 3163c: 8dcef114 */ lw $t6,%lo(alGlobals)($t6)
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@ -638,7 +560,7 @@ glabel func00031698
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/* 31698: 27bdffe8 */ addiu $sp,$sp,-24
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/* 3169c: afbf0014 */ sw $ra,0x14($sp)
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/* 316a0: afa40018 */ sw $a0,0x18($sp)
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/* 316a4: 0c00c58d */ jal func00031634
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/* 316a4: 0c00c58d */ jal _timeToSamplesNoRound
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/* 316a8: 8fa40018 */ lw $a0,0x18($sp)
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/* 316ac: 2401fff0 */ addiu $at,$zero,-16
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/* 316b0: 10000003 */ b .L000316c0
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@ -653,7 +575,7 @@ glabel func00031698
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);
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GLOBAL_ASM(
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glabel func000316d0
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glabel __nextSampleTime
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/* 316d0: 27bdfff8 */ addiu $sp,$sp,-8
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/* 316d4: 3c0e7fff */ lui $t6,0x7fff
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/* 316d8: 35ceffff */ ori $t6,$t6,0xffff
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