From 528de868b92c79d98285719448b6c33fecc97d54 Mon Sep 17 00:00:00 2001
From: BeWorld <36823759+BeWorld2018@users.noreply.github.com>
Date: Mon, 15 Jan 2024 20:34:26 +0100
Subject: [PATCH] MorphOS: adapt audio AHI

---
 src/audio/ahi/SDL_ahi_audio.c | 60 +++++++++++++++++++++++++----------
 1 file changed, 43 insertions(+), 17 deletions(-)

diff --git a/src/audio/ahi/SDL_ahi_audio.c b/src/audio/ahi/SDL_ahi_audio.c
index 917e2015a47d3..63ce1a7bf1b7c 100644
--- a/src/audio/ahi/SDL_ahi_audio.c
+++ b/src/audio/ahi/SDL_ahi_audio.c
@@ -43,6 +43,25 @@ AHIAUD_Mute(ULONG mute)
 }
 
 static void
+AHIAUD_DetectDevices(SDL_AudioDevice **default_output, SDL_AudioDevice **default_capture)
+{
+
+    SDL_AudioSpec output, capture;
+
+    output.freq = 44100;
+    output.format = SDL_AUDIO_S16BE;
+    output.channels = 2;
+
+    capture.freq = 44100;
+    capture.format = SDL_AUDIO_S16BE;
+    capture.channels = 1;
+
+    *default_output = SDL_AddAudioDevice(SDL_FALSE, "AHI default output device", &output, SDL_strdup("default"));
+    *default_capture = SDL_AddAudioDevice(SDL_TRUE, "AHI default capture device", &capture, SDL_strdup("default"));
+
+}
+
+static int
 AHIAUD_WaitDevice(SDL_AudioDevice *device)
 {
 	MOSAudioData *hidden = device->hidden;
@@ -55,9 +74,11 @@ AHIAUD_WaitDevice(SDL_AudioDevice *device)
 
 		GetMsg(&hidden->ahiport);
 	}
+	
+	return 0;
 }
 
-static void
+static int
 AHIAUD_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, int buflen)
 {
 	MOSAudioData *hidden = device->hidden;
@@ -81,6 +102,8 @@ AHIAUD_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, int buflen)
 	hidden->playing = 1;
 	
 	SendIO((struct IORequest *)req);
+	
+	return 0;
 }
 
 static Uint8 *
@@ -137,21 +160,18 @@ AHIAUD_OpenDevice(SDL_AudioDevice *device)
 	int sample_format = -1;
 	const SDL_AudioFormat *closefmts;
 	switch (device->spec.format) {
-		case SDL_AUDIO_F32LSB:
-		case SDL_AUDIO_F32MSB:
-		case SDL_AUDIO_S32LSB:
-		 	device->spec.format = SDL_AUDIO_S32MSB;
+		case SDL_AUDIO_F32LE:
+		case SDL_AUDIO_F32BE:
+		case SDL_AUDIO_S32BE:
+		case SDL_AUDIO_S32LE:
+		 	device->spec.format = SDL_AUDIO_S32BE;
 			break;
-		case SDL_AUDIO_S16LSB:
+		case SDL_AUDIO_S16LE:
 		default:
-			device->spec.format = SDL_AUDIO_S16MSB;
+			device->spec.format = SDL_AUDIO_S16BE;
 			break;
 	}
 
-	//test_format = SDL_GetFirstAudioFormat(device->spec.format);
-	
-	//while (sample_format < 0 && test_format) {
-	
 	closefmts = SDL_ClosestAudioFormats(device->spec.format);
 	while ((test_format = *(closefmts++)) != 0) {
 		switch (test_format) {
@@ -160,12 +180,12 @@ AHIAUD_OpenDevice(SDL_AudioDevice *device)
 				sample_format = device->spec.channels == 1 ? AHIST_M8S : AHIST_S8S;
 				break; 
 			break;
-			case SDL_AUDIO_S16LSB:
-			case SDL_AUDIO_S16MSB:
+			case SDL_AUDIO_S16LE:
+			case SDL_AUDIO_S16BE:
 				sample_format = device->spec.channels == 1 ? AHIST_M16S : AHIST_S16S;
 				break;
-			case SDL_AUDIO_S32LSB:
-			case SDL_AUDIO_S32MSB:
+			case SDL_AUDIO_S32BE:
+			case SDL_AUDIO_S32LE:
 				sample_format = device->spec.channels == 1 ? AHIST_M32S : AHIST_S32S;
 				break;
 			default:
@@ -254,7 +274,7 @@ AHIAUD_CaptureFromDevice(SDL_AudioDevice *device, void *buffer, int buflen)
 	current = hidden->current_buffer;
 	request = &hidden->req[0];
 	
-    if ((now - hidden->lastCaptureTicks) > RESTART_CAPTURE_THRESHOLD) {
+    if (hidden->lastCaptureTicks == 0 || (now - hidden->lastCaptureTicks) > RESTART_CAPTURE_THRESHOLD) {
 
 	    if (hidden->requestSent) {
             WaitIO((struct IORequest *)request);
@@ -277,7 +297,9 @@ AHIAUD_CaptureFromDevice(SDL_AudioDevice *device, void *buffer, int buflen)
 		current = 1 - current;
 
     } else {
-        WaitIO((struct IORequest *)request);
+		if (hidden->requestSent) {
+			WaitIO((struct IORequest *)request);
+		}
     }
 
     AHIAUD_FillCaptureRequest(
@@ -308,13 +330,17 @@ static SDL_bool
 AHIAUD_Init(SDL_AudioDriverImpl * impl)
 {
 
+	impl->DetectDevices = AHIAUD_DetectDevices;
 	impl->OpenDevice = AHIAUD_OpenDevice;
 	impl->ThreadInit = AHIAUD_ThreadInit;
+	
 	impl->PlayDevice = AHIAUD_PlayDevice;
 	impl->WaitDevice = AHIAUD_WaitDevice;
 	impl->CaptureFromDevice = AHIAUD_CaptureFromDevice;	
 	impl->GetDeviceBuf = AHIAUD_GetDeviceBuf;
 	impl->CloseDevice = AHIAUD_CloseDevice;
+	
+	impl->ProvidesOwnCallbackThread = SDL_FALSE;
 	impl->HasCaptureSupport = SDL_TRUE;
 	impl->OnlyHasDefaultOutputDevice = SDL_TRUE;
 	impl->OnlyHasDefaultCaptureDevice = SDL_TRUE;