From dd05aafb9bcbfeae77ce8b21b425b26e67891082 Mon Sep 17 00:00:00 2001
From: dean <deanm1278@gmail.com>
Date: Thu, 15 Nov 2018 14:11:45 -0500
Subject: DM: adding mixer voice API

---
 shared-module/audioio/Mixer.c      |  9 ++-------
 shared-module/audioio/Mixer.h      | 12 ++----------
 shared-module/audioio/MixerVoice.c | 18 ++++++++++++++++++
 shared-module/audioio/MixerVoice.h | 12 ++++++++++++
 4 files changed, 34 insertions(+), 17 deletions(-)
 create mode 100644 shared-module/audioio/MixerVoice.c
 create mode 100644 shared-module/audioio/MixerVoice.h

(limited to 'shared-module')

diff --git a/shared-module/audioio/Mixer.c b/shared-module/audioio/Mixer.c
index 5125574ef..4797f4adc 100644
--- a/shared-module/audioio/Mixer.c
+++ b/shared-module/audioio/Mixer.c
@@ -100,7 +100,7 @@ void common_hal_audioio_mixer_play(audioio_mixer_obj_t* self, mp_obj_t sample, u
     if (samples_signed != self->samples_signed) {
         mp_raise_ValueError(translate("The sample's signedness does not match the mixer's"));
     }
-    audioio_mixer_voice_obj_t* voice = &self->voice[v];
+    audioio_mixervoice_obj_t* voice = &self->voice[v];
     voice->sample = sample;
     voice->loop = loop;
 
@@ -132,11 +132,6 @@ void audioio_mixer_reset_buffer(audioio_mixer_obj_t* self,
     }
 }
 
-void common_hal_audioio_mixer_set_gain(audioio_mixer_obj_t* self, uint8_t voice, float gain) {
-	audioio_mixer_voice_obj_t* v = &self->voice[voice];
-	v->gain = gain * ((1 << 15)-1);
-}
-
 uint32_t add8signed(uint32_t a, uint32_t b) {
     #if (defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1))
     return __QADD8(a, b);
@@ -311,7 +306,7 @@ audioio_get_buffer_result_t audioio_mixer_get_buffer(audioio_mixer_obj_t* self,
         self->use_first_buffer = !self->use_first_buffer;
         bool voices_active = false;
         for (int32_t v = 0; v < self->voice_count; v++) {
-            audioio_mixer_voice_obj_t* voice = &self->voice[v];
+            audioio_mixervoice_obj_t* voice = &self->voice[v];
 
             uint32_t j = 0;
             bool voice_done = voice->sample == NULL;
diff --git a/shared-module/audioio/Mixer.h b/shared-module/audioio/Mixer.h
index 3451aa25d..40b6df2fe 100644
--- a/shared-module/audioio/Mixer.h
+++ b/shared-module/audioio/Mixer.h
@@ -30,15 +30,7 @@
 #include "py/obj.h"
 
 #include "shared-module/audioio/__init__.h"
-
-typedef struct {
-    mp_obj_t sample;
-    bool loop;
-    bool more_data;
-    uint32_t* remaining_buffer;
-    uint32_t buffer_length;
-    int16_t gain;
-} audioio_mixer_voice_obj_t;
+#include "shared-bindings/audioio/MixerVoice.h"
 
 typedef struct {
     mp_obj_base_t base;
@@ -56,7 +48,7 @@ typedef struct {
     uint32_t right_read_count;
 
     uint8_t voice_count;
-    audioio_mixer_voice_obj_t voice[];
+    mp_obj_t voice[];
 } audioio_mixer_obj_t;
 
 
diff --git a/shared-module/audioio/MixerVoice.c b/shared-module/audioio/MixerVoice.c
new file mode 100644
index 000000000..ff40da34c
--- /dev/null
+++ b/shared-module/audioio/MixerVoice.c
@@ -0,0 +1,18 @@
+/*
+ * MixerVoice.c
+ *
+ *  Created on: Nov 15, 2018
+ *      Author: dean
+ */
+
+#include "shared-bindings/audioio/Mixer.h"
+
+#include <stdint.h>
+
+#include "py/runtime.h"
+#include "shared-module/audioio/__init__.h"
+#include "shared-module/audioio/RawSample.h"
+
+void common_hal_audioio_mixervoice_set_gain(audioio_mixer_obj_t* self, float gain) {
+	self->gain = gain * ((1 << 15)-1);
+}
diff --git a/shared-module/audioio/MixerVoice.h b/shared-module/audioio/MixerVoice.h
new file mode 100644
index 000000000..c04e8ef24
--- /dev/null
+++ b/shared-module/audioio/MixerVoice.h
@@ -0,0 +1,12 @@
+/*
+ * MixerVoice.h
+ *
+ *  Created on: Nov 15, 2018
+ *      Author: dean
+ */
+
+#ifndef SHARED_MODULE_AUDIOIO_MIXERVOICE_H_
+#define SHARED_MODULE_AUDIOIO_MIXERVOICE_H_
+
+
+#endif /* SHARED_MODULE_AUDIOIO_MIXERVOICE_H_ */
-- 
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