Minor cleanups in snd_midictrl.c and stream.c

Former-commit-id: b38eb521a92ae3da7f579ba9ae697e31de770a12
This commit is contained in:
Phillip Stephens 2023-11-10 14:21:46 -08:00
parent 10b865d1f5
commit 3900186690
2 changed files with 69 additions and 62 deletions

View File

@ -18,6 +18,7 @@
*/ */
#include "musyx/musyx_priv.h" #include "musyx/musyx_priv.h"
#include <string.h>
#define SYNTH_FX_MIDISET 0xFF #define SYNTH_FX_MIDISET 0xFF

View File

@ -27,13 +27,14 @@ void SetHWMix(const STREAM_INFO* si) {
#endif #endif
void streamHandle() { void streamHandle() {
u32 i; // r25 STREAM_INFO* si; // r31
u32 cpos; // r30 u32 cpos; // r30
u32 len; // r29 u32 len; // r29
u32 i; // r25
SAMPLE_INFO newsmp; // r1+0x8 SAMPLE_INFO newsmp; // r1+0x8
STREAM_INFO* si; // r31
float f; // r63 float f; // r63
SND_VOICEID v; SND_VOICEID v;
// TODO: Match this // TODO: Match this
if (streamCallCnt != 0) { if (streamCallCnt != 0) {
@ -99,72 +100,74 @@ void streamHandle() {
if (si->last < off) { if (si->last < off) {
switch (si->type) { switch (si->type) {
case 0: { case 0: {
len = si->updateFunction(si->buffer + si->last, cpos - si->last, NULL, 0, si->user); len = si->updateFunction(si->buffer + si->last, off - si->last, NULL, 0,
si->user);
if (len != 0 && si->state == 2) { if (len != 0 && si->state == 2) {
cpos = (si->last + len) % si->size; off = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) { if (!(si->flags & 0x20000)) {
if (cpos != 0) { if (off != 0) {
hwFlushStream(si->buffer, si->size * 2, (cpos - si->last) * 2, si->hwStreamHandle, hwFlushStream(si->buffer, si->last * 2, (off - si->last) * 2, si->hwStreamHandle,
NULL, 0); NULL, 0);
} else { } else {
hwFlushStream(si->buffer, si->size * 2, (si->size - si->last) * 2, hwFlushStream(si->buffer, si->last * 2, (si->size - si->last) * 2,
si->hwStreamHandle, NULL, 0); si->hwStreamHandle, NULL, 0);
} }
} }
si->last = cpos; si->last = off;
} }
} break; } break;
case 1: { case 1: {
u32 off = (si->last / 14); cpos = (si->last / 14) * 8;
if ((len = si->updateFunction(si->buffer + si->last * 4, cpos - si->last, NULL, 0, if ((len = si->updateFunction((void*)((u32)si->buffer + cpos), off - si->last , NULL, 0,
si->user)) != 0 && si->user)) != 0 &&
si->state == 2) { si->state == 2) {
cpos = (si->last + len) % si->size; off = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) { if (!(si->flags & 0x20000)) {
if (cpos != 0) { if (off != 0) {
hwFlushStream(si->buffer, off, ((cpos + 13) / 14) * 8 - off, si->hwStreamHandle, hwFlushStream(si->buffer, cpos, ((off + 13) / 14) * 8 - cpos,
NULL, 0); si->hwStreamHandle, NULL, 0);
} else { } else {
hwFlushStream(si->buffer, off, (si->bytes) - off, si->hwStreamHandle, NULL, 0); hwFlushStream(si->buffer, cpos, (si->bytes) - cpos,
si->hwStreamHandle, NULL, 0);
} }
} }
si->last = cpos; si->last = off;
} }
} break; } break;
} }
} else if (cpos == 0) { } else if (off == 0) {
switch (si->type) { switch (si->type) {
case 0: case 0:
if ((len = si->updateFunction(si->buffer + cpos * 1, si->size - si->last, NULL, 0, if ((len = si->updateFunction(si->buffer + si->last , si->size - si->last, NULL, 0,
si->user)) && si->user)) &&
si->state == 2) { si->state == 2) {
cpos = (si->last + len) % si->size; off = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) { if (!(si->flags & 0x20000)) {
if (cpos == 0) { if (off == 0) {
hwFlushStream(si->buffer, si->last * 2, si->bytes - (si->last * 2), hwFlushStream(si->buffer, si->last * 2, si->bytes - (si->last * 2),
si->hwStreamHandle, NULL, 0); si->hwStreamHandle, NULL, 0);
} else { } else {
hwFlushStream(si->buffer, si->last * 2, (cpos - si->last) * 2, si->hwStreamHandle, hwFlushStream(si->buffer, si->last * 2, (off - si->last) * 2, si->hwStreamHandle,
NULL, 0); NULL, 0);
} }
} }
si->last = cpos; si->last = off;
} }
break; break;
case 1: case 1:
cpos = si->last / 14; cpos = ((si->last / 14) * 8) ;
if ((len = si->updateFunction(si->buffer + cpos * 4, si->size - si->last, NULL, 0, if ((len = si->updateFunction( (void*)((u32)si->buffer + cpos) , si->size - si->last, NULL, 0,
si->user)) && si->user)) &&
si->state == 2) { si->state == 2) {
u32 off = (si->last + len) % si->size; off = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) { if (!(si->flags & 0x20000)) {
if (off == 0) { if (off == 0) {
hwFlushStream(si->buffer, cpos * 8, si->bytes - cpos, si->hwStreamHandle, NULL, hwFlushStream(si->buffer, cpos , si->bytes - cpos, si->hwStreamHandle,
0); NULL, 0);
} else { } else {
hwFlushStream(si->buffer, si->last * 2, ((off + 13) / 14) * 8, si->hwStreamHandle, hwFlushStream(si->buffer, cpos, ((off + 13) / 14) * 8 - cpos, si->hwStreamHandle,
NULL, 0); NULL, 0);
} }
} }
@ -176,47 +179,50 @@ void streamHandle() {
} else { } else {
switch (si->type) { switch (si->type) {
case 0: case 0:
if ((len = si->updateFunction(si->buffer + cpos * 4, si->size - si->last, NULL, 0, if ((len = si->updateFunction(si->buffer + si->last, si->size - si->last, si->buffer, off,
si->user)) && si->user)) &&
si->state == 2) { si->state == 2) {
cpos = (si->last + len) % si->size; off = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) {
if (si->size - si->last > len) {
hwFlushStream(si->buffer, si->last * 2, (cpos - si->last) * 2, si->hwStreamHandle,
NULL, 0);
} else if (cpos == 0) {
hwFlushStream(si->buffer, si->last * 2, (si->bytes + si->last) * 2,
si->hwStreamHandle, NULL, 0);
} else {
hwFlushStream(si->buffer, si->last * 2, (si->bytes + si->last) * 2,
si->hwStreamHandle, NULL, 0);
hwFlushStream(si->buffer, 0, cpos * 2, si->hwStreamHandle, NULL, 0);
}
}
}
break;
case 1: {
u32 off = (si->last / 14) * 8;
if ((len = si->updateFunction(si->buffer + cpos, si->size - si->last, NULL, 0,
si->user)) &&
si->state == 2) {
cpos = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) { if (!(si->flags & 0x20000)) {
if (len > si->size - si->last) { if (len > si->size - si->last) {
hwFlushStream(si->buffer, off, si->bytes - (si->last), si->hwStreamHandle, NULL, hwFlushStream(si->buffer, si->last * 2, (si->bytes - si->last * 2) ,
0); si->hwStreamHandle, NULL, 0);
hwFlushStream(si->buffer, 0, (cpos / 14) << 3, si->hwStreamHandle, NULL, 0); hwFlushStream(si->buffer, 0, off * 2, si->hwStreamHandle, NULL, 0);
} else if (cpos == 0) {
hwFlushStream(si->buffer, off, si->bytes - off, si->hwStreamHandle, NULL, 0); } else if (off == 0) {
hwFlushStream(si->buffer, si->last * 2, (si->bytes - si->last * 2),
si->hwStreamHandle, NULL, 0);
} else { } else {
hwFlushStream(si->buffer, off, ((cpos + 13) / 14) * 8 - off, si->hwStreamHandle, hwFlushStream(si->buffer, si->last * 2, (off - si->last) * 2, si->hwStreamHandle,
NULL, 0); NULL, 0);
} }
} }
si->last = off;
} }
si->last = cpos; break;
case 1: {
cpos = (si->last / 14) * 8;
if ((len = si->updateFunction((void*)((u32)si->buffer + cpos) , si->size - si->last, si->buffer, off,
si->user)) &&
si->state == 2) {
off = (si->last + len) % si->size;
if (!(si->flags & 0x20000)) {
if (len > si->size - si->last) {
hwFlushStream(si->buffer, cpos, si->bytes - cpos,
si->hwStreamHandle, NULL, 0);
hwFlushStream(si->buffer, 0, (off / 14) << 3, si->hwStreamHandle, NULL, 0);
} else if (off == 0) {
hwFlushStream(si->buffer, cpos, si->bytes - cpos, si->hwStreamHandle, NULL, 0);
} else {
hwFlushStream(si->buffer, cpos, ((off + 13) / 14) * 8 - cpos, si->hwStreamHandle, NULL,
0);
}
}
si->last = off;
}
} break; } break;
} }
} }