From e117e43bd06627f7fadb2c58adf07e058f100579 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 12 Mar 2021 16:11:08 +0000
Subject: Initial trimui s support

---
 shell/audio/portaudio/sound_output.c | 45 ++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 shell/audio/portaudio/sound_output.c

(limited to 'shell/audio/portaudio/sound_output.c')

diff --git a/shell/audio/portaudio/sound_output.c b/shell/audio/portaudio/sound_output.c
new file mode 100644
index 0000000..0c03c93
--- /dev/null
+++ b/shell/audio/portaudio/sound_output.c
@@ -0,0 +1,45 @@
+#include <portaudio.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "shared.h"
+
+static PaStream *apu_stream;
+
+uint32_t Audio_Init()
+{
+	Pa_Initialize();
+	
+	PaStreamParameters outputParameters;
+	
+	outputParameters.device = Pa_GetDefaultOutputDevice();
+	
+	if (outputParameters.device == paNoDevice) 
+	{
+		printf("No sound output\n");
+		return 1;
+	}
+
+	outputParameters.channelCount = 2;
+	outputParameters.sampleFormat = paInt16;
+	outputParameters.hostApiSpecificStreamInfo = NULL;
+	
+	Pa_OpenStream( &apu_stream, NULL, &outputParameters, SOUND_OUTPUT_FREQUENCY, SOUND_SAMPLES_SIZE, paNoFlag, NULL, NULL);
+	Pa_StartStream( apu_stream );
+	
+	return 0;
+}
+
+void Audio_Write(int16_t* restrict buffer, uint32_t buffer_size)
+{
+	Pa_WriteStream( apu_stream, buffer, buffer_size);
+}
+
+bool Audio_Underrun_Likely() {
+	return false;
+}
+
+void Audio_Close()
+{
+	//Pa_Close();
+}
-- 
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