AudioOutI2S, AudioInI2S: Add setBufferSize(...) API

Author: sandeepmistry

keywords.txt

@@ -38,6 +38,8 @@ volume	KEYWORD2
 
 input	KEYWORD2
 
+setBufferSize	KEYWORD2
+
 #######################################
 # Constants (LITERAL1)
 #######################################

src/AudioInI2S.cpp

@@ -16,8 +16,6 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
-#include <I2S.h>
-
 #include "AudioInI2S.h"
 
 AudioInI2SClass::AudioInI2SClass() :
@@ -73,6 +71,13 @@ int AudioInI2SClass::channels()
   return 2;
 }
 
+#ifdef I2S_HAS_SET_BUFFER_SIZE
+void AudioInI2SClass::setBufferSize(int bufferSize)
+{
+  I2S.setBufferSize(bufferSize);
+}
+#endif
+
 int AudioInI2SClass::begin()
 {
   _callbackTriggered = false;

src/AudioInI2S.h

@@ -19,6 +19,8 @@
 #ifndef _AUDIO_IN_I2S_H_INCLUDED
 #define _AUDIO_IN_I2S_H_INCLUDED
 
+#include <I2S.h>
+
 #include "AudioIn.h"
 
 class AudioInI2SClass : public AudioIn
@@ -34,6 +36,10 @@ class AudioInI2SClass : public AudioIn
   virtual int bitsPerSample();
   virtual int channels();
 
+#ifdef I2S_HAS_SET_BUFFER_SIZE
+  void setBufferSize(int bufferSize);
+#endif
+
 protected:
   virtual int begin();
   virtual int read(void* buffer, size_t size);

src/AudioOutI2S.cpp

@@ -16,8 +16,6 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
-#include <I2S.h>
-
 #include "AudioOutI2S.h"
 
 AudioOutI2SClass::AudioOutI2SClass() :
@@ -112,6 +110,13 @@ int AudioOutI2SClass::isPaused()
   return _paused;
 }
 
+#ifdef I2S_HAS_SET_BUFFER_SIZE
+void AudioOutI2SClass::setBufferSize(int bufferSize)
+{
+  I2S.setBufferSize(bufferSize);
+}
+#endif
+
 int AudioOutI2SClass::startPlayback(AudioIn& input, bool loop)
 {
   if (_input) {

src/AudioOutI2S.h

@@ -19,6 +19,8 @@
 #ifndef _AUDIO_OUT_I2S_INCLUDED
 #define _AUDIO_OUT_I2S_INCLUDED
 
+#include <I2S.h>
+
 #include "AudioOut.h"
 
 class AudioOutI2SClass : public AudioOut
@@ -38,6 +40,10 @@ class AudioOutI2SClass : public AudioOut
   virtual int isPlaying();
   virtual int isPaused();
 
+#ifdef I2S_HAS_SET_BUFFER_SIZE
+  void setBufferSize(int bufferSize);
+#endif
+
 private:
   int startPlayback(AudioIn& input, bool loop);