From 7b2edbd1bdc26717f85f7b391936f7af18998489 Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Tue, 16 Apr 2024 21:01:58 -0700
Subject: [PATCH] Core: Add functions to get native sample rates

---
 include/mgba/core/core.h | 1 +
 src/gb/core.c            | 6 ++++++
 src/gba/core.c           | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/include/mgba/core/core.h b/include/mgba/core/core.h
index b34a9451f..7eeb1d8fb 100644
--- a/include/mgba/core/core.h
+++ b/include/mgba/core/core.h
@@ -78,6 +78,7 @@ struct mCore {
 	void (*getPixels)(struct mCore*, const void** buffer, size_t* stride);
 	void (*putPixels)(struct mCore*, const void* buffer, size_t stride);
 
+	unsigned (*audioSampleRate)(const struct mCore*);
 	struct blip_t* (*getAudioChannel)(struct mCore*, int ch);
 	void (*setAudioBufferSize)(struct mCore*, size_t samples);
 	size_t (*getAudioBufferSize)(struct mCore*);
diff --git a/src/gb/core.c b/src/gb/core.c
index 1018b9f82..9ee6d3f84 100644
--- a/src/gb/core.c
+++ b/src/gb/core.c
@@ -445,6 +445,11 @@ static void _GBCoreSetAudioBufferSize(struct mCore* core, size_t samples) {
 	GBAudioResizeBuffer(&gb->audio, samples);
 }
 
+static unsigned _GBCoreAudioSampleRate(const struct mCore* core) {
+	UNUSED(core);
+	return 131072;
+}
+
 static size_t _GBCoreGetAudioBufferSize(struct mCore* core) {
 	struct GB* gb = core->board;
 	return gb->audio.samples;
@@ -1302,6 +1307,7 @@ struct mCore* GBCoreCreate(void) {
 	core->setVideoGLTex = _GBCoreSetVideoGLTex;
 	core->getPixels = _GBCoreGetPixels;
 	core->putPixels = _GBCorePutPixels;
+	core->audioSampleRate = _GBCoreAudioSampleRate;
 	core->getAudioChannel = _GBCoreGetAudioChannel;
 	core->setAudioBufferSize = _GBCoreSetAudioBufferSize;
 	core->getAudioBufferSize = _GBCoreGetAudioBufferSize;
diff --git a/src/gba/core.c b/src/gba/core.c
index dd5df523b..4fb801c4a 100644
--- a/src/gba/core.c
+++ b/src/gba/core.c
@@ -559,6 +559,11 @@ static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t str
 	gba->video.renderer->putPixels(gba->video.renderer, stride, buffer);
 }
 
+static unsigned _GBACoreAudioSampleRate(const struct mCore* core) {
+	UNUSED(core);
+	return 65536;
+}
+
 static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
 	struct GBA* gba = core->board;
 	switch (ch) {
@@ -1515,6 +1520,7 @@ struct mCore* GBACoreCreate(void) {
 	core->setVideoGLTex = _GBACoreSetVideoGLTex;
 	core->getPixels = _GBACoreGetPixels;
 	core->putPixels = _GBACorePutPixels;
+	core->audioSampleRate = _GBACoreAudioSampleRate;
 	core->getAudioChannel = _GBACoreGetAudioChannel;
 	core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
 	core->getAudioBufferSize = _GBACoreGetAudioBufferSize;