From 3020f3bd95676d2830a8310b92017880404958ad Mon Sep 17 00:00:00 2001
From: KiritoDv <kiritodev01@gmail.com>
Date: Mon, 3 Feb 2025 11:48:30 -0600
Subject: [PATCH] Fixed implementation issues with CODEC_S16

---
 src/audio/audio_synthesis.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/audio/audio_synthesis.c b/src/audio/audio_synthesis.c
index a9f16173..93cb7b1b 100644
--- a/src/audio/audio_synthesis.c
+++ b/src/audio/audio_synthesis.c
@@ -1036,21 +1036,23 @@ Acmd* AudioSynth_ProcessNote(s32 noteIndex, NoteSubEu* noteSub, NoteSynthesisSta
                         goto skip;
 
                     case CODEC_S16:
+                        aClearBuffer(cmd, DMEM_UNCOMPRESSED_NOTE, (numSamplesToLoadAdj + 16) * 2);
                         flags = A_CONTINUE;
                         skipBytes = 0;
-                        size_t bytesToRead;
                         numSamplesProcessed += numSamplesToLoadAdj;
-                        dmemUncompressedAddrOffset1 = numSamplesToLoadAdj;
+                        aligned = numSamplesToLoadAdj;
+                        size_t bytesToRead;
 
-                        if (((synthState->samplePosInt * 2) + (numSamplesToLoadAdj) * SAMPLE_SIZE) < bookSample->size) {
-                            bytesToRead = (numSamplesToLoadAdj) * SAMPLE_SIZE;
+                        if (((synthState->samplePosInt * 2) + (numSamplesToLoadAdj + 16) * 2) <
+                            bookSample->size) {
+                            bytesToRead = (numSamplesToLoadAdj + 16) * 2;
                         } else {
                             bytesToRead = bookSample->size - (synthState->samplePosInt * 2);
                         }
                         // @port [Custom audio]
                         // TLDR samples are loaded async and might be null the first time they are played.
                         // See note in AudioSampleFactory.cpp
-                        if (sampleAddr != NULL) {
+                        if ((void*) sampleAddr != NULL) {
                             aLoadBuffer(cmd++, sampleAddr + (synthState->samplePosInt * 2), DMEM_UNCOMPRESSED_NOTE,
                                         bytesToRead);
                         }