Tizen 2.0 Releasesubmit/tizen_2.0/20130215.191643accepted/tizen_2.0/20130215.204209tizen_2.0

12 files changed, 1590 insertions, 0 deletions

diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..56edb13
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,3 @@
+Kangho Hur <kanho.hur@samsung.com>
+Seungkeun Lee <sngn.lee@samsung.com>
+Seungbae Shin <seungbae.shin at samsung.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100755
index 0000000..b018af6
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,105 @@
+
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+SET(fw_name "capi-media-audio-io")
+
+PROJECT(${fw_name})
+
+SET(CMAKE_INSTALL_PREFIX /usr)
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+
+SET(INC_DIR include)
+INCLUDE_DIRECTORIES(${INC_DIR})
+
+SET(dependents "dlog mm-sound capi-base-common capi-media-sound-manager")
+SET(pc_dependents "capi-base-common capi-media-sound-manager")
+
+INCLUDE(FindPkgConfig)
+pkg_check_modules(${fw_name} REQUIRED ${dependents})
+FOREACH(flag ${${fw_name}_CFLAGS})
+    SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
+ENDFOREACH(flag)
+
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -fPIC -Wall -Werror")
+SET(CMAKE_C_FLAGS_DEBUG "-O0 -g")
+
+IF("${ARCH}" STREQUAL "arm")
+    ADD_DEFINITIONS("-DTARGET")
+ENDIF("${ARCH}" STREQUAL "arm")
+
+ADD_DEFINITIONS("-DPREFIX=\"${CMAKE_INSTALL_PREFIX}\"")
+ADD_DEFINITIONS("-DTIZEN_DEBUG")
+
+SET(CMAKE_EXE_LINKER_FLAGS "-Wl,--as-needed -Wl,--rpath=/usr/lib")
+
+aux_source_directory(src SOURCES)
+ADD_LIBRARY(${fw_name} SHARED ${SOURCES})
+
+SET_TARGET_PROPERTIES(${fw_name}
+     PROPERTIES
+     VERSION ${FULLVER}
+     SOVERSION ${MAJORVER}
+     CLEAN_DIRECT_OUTPUT 1
+)
+
+TARGET_LINK_LIBRARIES(${fw_name} ${${fw_name}_LDFLAGS})
+
+SET_TARGET_PROPERTIES(${fw_name}
+     PROPERTIES
+     VERSION ${FULLVER}
+     SOVERSION ${MAJORVER}
+     CLEAN_DIRECT_OUTPUT 1
+)
+
+INSTALL(TARGETS ${fw_name} DESTINATION lib)
+INSTALL(
+        DIRECTORY ${INC_DIR}/ DESTINATION include/media
+        FILES_MATCHING
+        PATTERN "*_private.h" EXCLUDE
+        PATTERN "${INC_DIR}/*.h"
+        )
+
+SET(PC_NAME ${fw_name})
+SET(PC_REQUIRED ${pc_dependents})
+SET(PC_LDFLAGS -l${fw_name})
+SET(PC_CFLAGS -I\${includedir}/media)
+
+CONFIGURE_FILE(
+    ${fw_name}.pc.in
+    ${CMAKE_CURRENT_SOURCE_DIR}/${fw_name}.pc
+    @ONLY
+)
+INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${fw_name}.pc DESTINATION lib/pkgconfig)
+
+ADD_SUBDIRECTORY(test)
+
+IF(UNIX)
+
+ADD_CUSTOM_TARGET (distclean @echo cleaning for source distribution)
+ADD_CUSTOM_COMMAND(
+        DEPENDS clean 
+        COMMENT "distribution clean"
+        COMMAND find
+        ARGS    . 
+        -not -name config.cmake -and \(
+        -name tester.c -or
+        -name Testing -or
+        -name CMakeFiles -or
+        -name cmake.depends -or
+        -name cmake.check_depends -or
+        -name CMakeCache.txt -or
+        -name cmake.check_cache -or
+        -name *.cmake -or
+        -name Makefile -or
+        -name core -or
+        -name core.* -or
+        -name gmon.out -or
+        -name install_manifest.txt -or
+        -name *.pc -or
+        -name *~ \)
+        | grep -v TC | xargs rm -rf
+        TARGET  distclean
+        VERBATIM
+)
+
+ENDIF(UNIX)
+
diff --git a/LICENSE.APLv2 b/LICENSE.APLv2
new file mode 100644
index 0000000..f94008a
--- /dev/null
+++ b/LICENSE.APLv2
@@ -0,0 +1,206 @@
+Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+
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+
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
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+   6. Trademarks. This License does not grant permission to use the trade
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+      whether in tort (including negligence), contract, or otherwise,
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+
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..ccdad52
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,3 @@
+Copyright (c) Samsung Electronics Co., Ltd. All rights reserved.
+Except as noted, this software is licensed under Apache License, Version 2.
+Please, see the LICENSE file for Apache License terms and conditions.
diff --git a/capi-media-audio-io.manifest b/capi-media-audio-io.manifest
new file mode 100644
index 0000000..a76fdba
--- /dev/null
+++ b/capi-media-audio-io.manifest
@@ -0,0 +1,5 @@
+<manifest>
+	<request>
+		<domain name="_" />
+	</request>
+</manifest>
diff --git a/capi-media-audio-io.pc.in b/capi-media-audio-io.pc.in
new file mode 100644
index 0000000..5d02f8d
--- /dev/null
+++ b/capi-media-audio-io.pc.in
@@ -0,0 +1,15 @@
+
+# Package Information for pkg-config
+
+prefix=@PREFIX@
+exec_prefix=/usr
+libdir=/usr/lib
+includedir=/usr/include/media
+
+Name: @PC_NAME@
+Description: @PACKAGE_DESCRIPTION@
+Version: @VERSION@
+Requires: @PC_REQUIRED@ 
+Libs: -L${libdir} @PC_LDFLAGS@
+Cflags: -I${includedir}
+
diff --git a/include/audio_io.h b/include/audio_io.h
new file mode 100644
index 0000000..b8c415c
--- /dev/null
+++ b/include/audio_io.h
@@ -0,0 +1,504 @@
+/*
+* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License. 
+*/
+
+#ifndef __TIZEN_MEDIA_AUDIO_IO_H__
+#define __TIZEN_MEDIA_AUDIO_IO_H__
+
+#include <tizen.h>
+#include <sound_manager.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define AUDIO_IO_ERROR_CLASS          TIZEN_ERROR_MULTIMEDIA_CLASS | 0x40
+
+/**
+ * @file audio_io.h
+ * @brief This file contains the Audio Input and Output API.
+ */
+
+/**
+ * @addtogroup CAPI_MEDIA_AUDIO_IN_MODULE
+ * @{
+*/
+
+/**
+ * @brief Audio input handle type.
+ */
+typedef struct audio_in_s *audio_in_h;
+
+/**
+ * @}
+*/
+
+/**
+ * @addtogroup CAPI_MEDIA_AUDIO_OUT_MODULE
+ * @{
+ */
+ 
+/**
+ * @brief Audio output handle type.
+ */
+typedef struct audio_out_s *audio_out_h;
+
+ /**
+ * @}
+ */
+
+/**
+ * @addtogroup CAPI_MEDIA_AUDIO_IO_MODULE
+ * @{
+ */
+
+/**
+ * @brief Enumerations of audio sample type with bit depth
+ */
+typedef enum
+{
+    AUDIO_SAMPLE_TYPE_U8 = 0x70,   /**< Unsigned 8-bit audio samples */
+    AUDIO_SAMPLE_TYPE_S16_LE,   /**< Signed 16-bit audio samples */
+} audio_sample_type_e;
+
+/**
+ * @brief Enumerations of audio channel
+ */
+typedef enum {
+    AUDIO_CHANNEL_MONO = 0x80,    /**< 1 channel, mono */
+    AUDIO_CHANNEL_STEREO,      /**< 2 channel, stereo */
+} audio_channel_e;
+
+/**
+ * @brief Enumerations of audio input and output error code
+ */
+typedef enum{
+    AUDIO_IO_ERROR_NONE                = TIZEN_ERROR_NONE,                /**<Successful */
+    AUDIO_IO_ERROR_OUT_OF_MEMORY       = TIZEN_ERROR_OUT_OF_MEMORY,     /**< Out of memory */
+    AUDIO_IO_ERROR_INVALID_PARAMETER   = TIZEN_ERROR_INVALID_PARAMETER, /**< Invalid parameter */
+    AUDIO_IO_ERROR_INVALID_OPERATION   = TIZEN_ERROR_INVALID_OPERATION, /**< Invalid operation */
+    AUDIO_IO_ERROR_DEVICE_NOT_OPENED   = AUDIO_IO_ERROR_CLASS | 0x01, /**< Device open error */
+    AUDIO_IO_ERROR_DEVICE_NOT_CLOSED   = AUDIO_IO_ERROR_CLASS | 0x02, /**< Device close error */
+    AUDIO_IO_ERROR_INVALID_BUFFER      = AUDIO_IO_ERROR_CLASS | 0x03, /**< Invalid buffer pointer */
+    AUDIO_IO_ERROR_SOUND_POLICY        = AUDIO_IO_ERROR_CLASS | 0x04, /**< Sound policy error */
+} audio_io_error_e;
+
+/**
+ * @brief Enumerations of audio io interrupted type
+ */
+typedef enum
+{
+    AUDIO_IO_INTERRUPTED_COMPLETED = 0, 				/**< Interrupt completed*/
+    AUDIO_IO_INTERRUPTED_BY_MEDIA, 				/**< Interrupted by non-resumable media application*/
+    AUDIO_IO_INTERRUPTED_BY_CALL,						/**< Interrupted by incoming call*/
+    AUDIO_IO_INTERRUPTED_BY_EARJACK_UNPLUG,			/**< Interrupted by unplugging headphone*/
+    AUDIO_IO_INTERRUPTED_BY_RESOURCE_CONFLICT,		/**< Interrupted by resource conflict*/
+    AUDIO_IO_INTERRUPTED_BY_ALARM,					/**< Interrupted by alarm*/
+    AUDIO_IO_INTERRUPTED_BY_EMERGENCY,					/**< Interrupted by emergency*/
+    AUDIO_IO_INTERRUPTED_BY_RESUMABLE_MEDIA, 				/**< Interrupted by resumable media application*/
+} audio_io_interrupted_code_e;
+
+/**
+ * @brief  Called when the audio input or output is interrupted.
+ * @param[in]	error_code	The interrupted error code
+ * @param[in]	user_data	The user data passed from the callback registration function
+ * @see audio_in_set_interrupted_cb()
+ * @see audio_out_set_interrupted_cb()
+ * @see audio_in_unset_interrupted_cb()
+ * @see audio_out_unset_interrupted_cb()
+ */
+typedef void (*audio_io_interrupted_cb)(audio_io_interrupted_code_e code, void *user_data);
+
+/**
+ * @}
+*/
+
+/**
+ * @addtogroup CAPI_MEDIA_AUDIO_IN_MODULE
+ * @{
+*/
+
+
+//
+//AUDIO INPUT
+//
+
+
+/**
+ * @brief    Creates an audio device instance and returns an input handle to record PCM (pulse-code modulation) data
+ * @details  This function is used for audio input initialization.
+ *
+ * @remarks @a input must be release audio_in_destroy() by you.
+ *
+ * @param[in]  sample_rate	The audio sample rate in 8000[Hz] ~ 48000[Hz]
+ * @param[in]  channel	The audio channel type, mono, or stereo
+ * @param[in]  type	The type of audio sample (8- or 16-bit)
+ * @param[out] input	An audio input handle will be created, if successful
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_OUT_OF_MEMORY Out of memory
+ * @retval #AUDIO_IO_ERROR_DEVICE_NOT_OPENED Device not opened
+ * @retval #AUDIO_IO_ERROR_SOUND_POLICY    Sound policy error
+ * @see audio_in_destroy()
+ */
+int audio_in_create(int sample_rate, audio_channel_e channel, audio_sample_type_e type , audio_in_h *input);
+
+
+
+/**
+ * @brief    Releases the audio input handle and all its resources associated with an audio stream
+ *
+ * @param[in]	input	The handle to the audio input to destroy
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_DEVICE_NOT_CLOSED Device not closed
+ * @see audio_in_create()
+ */
+int audio_in_destroy(audio_in_h input);
+
+
+
+/**
+ * @brief   Prepare reading audio in by starting buffering the audio data from the device
+ * @param[in]	input	The handle to the audio input
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see audio_in_unprepare()
+ */
+int audio_in_prepare(audio_in_h input);
+
+
+
+/**
+ * @brief    Unprepare reading audio in by stopping buffering the audio data from the device
+ * @param[in]	input	The handle to the audio input
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see audio_in_prepare()
+ */
+int audio_in_unprepare(audio_in_h input);
+
+
+
+/**
+ * @brief   Reads audio data from the audio input buffer
+ *
+ * @param[in]	input	The handle to the audio input
+ * @param[out]	buffer	The PCM buffer address
+ * @param[in]	length	The length of PCM data buffer (in bytes)
+ *
+ * @return  Number of read bytes on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval  #AUDIO_IO_ERROR_INVALID_BUFFER  Invalid buffer pointer
+ * @retval  #AUDIO_IO_ERROR_SOUND_POLICY    Sound policy error
+ * @retval  #AUDIO_IO_ERROR_INVALID_OPERATION Invalid operation
+ * @pre audio_in_start_recording() 
+*/
+int audio_in_read(audio_in_h input, void *buffer, unsigned int length);
+
+
+
+/**
+ * @brief    Gets the size to be allocated for audio input buffer
+ * @param[in]   input	The handle to the audio input
+ * @param[out]  size	The buffer size (in bytes). \n The maximum size is 1 MB.
+ *
+ * @return  0 on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_NONE Successful
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see audio_in_read()
+*/
+int audio_in_get_buffer_size(audio_in_h input, int *size);
+
+
+
+/**
+ * @brief    Gets the sample rate of the audio input data stream
+ *
+ * @param[in]   input	The handle to the audio input
+ * @param[out]  sample_rate  The audio sample rate in Hertz (8000 ~ 48000)
+ *
+ * @return  0 on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_NONE Successful
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_in_get_sample_rate(audio_in_h input, int *sample_rate);
+
+
+
+/**
+ * @brief    Gets the channel type of audio input data stream
+ *
+ * @details  The audio channel type defines whether the audio is mono or stereo.
+ *
+ * @param[in]   input   The handle to the audio input
+ * @param[out]  channel The audio channel type
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_in_get_channel(audio_in_h input, audio_channel_e *channel);
+
+
+
+/**
+ * @brief    Gets the sample audio format (8-bit or 16-bit) of audio input data stream
+ *
+ * @param[in]  input    The handle to the audio input
+ * @param[out] type     The audio sample type
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_in_get_sample_type(audio_in_h input, audio_sample_type_e *type);
+
+
+/**
+ * @brief Registers a callback function to be invoked when the audio input handle is interrupted or interrupt completed.
+ * @param[in] input    The handle to the audio input
+ * @param[in] callback	The callback function to register
+ * @param[in] user_data	The user data to be passed to the callback function
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_INVALID_OPERATION Invalid operation
+ * @post  audio_io_interrupted_cb() will be invoked
+ * @see audio_in_unset_interrupted_cb()
+ * @see audio_io_interrupted_cb()
+ */
+int audio_in_set_interrupted_cb(audio_in_h input, audio_io_interrupted_cb callback, void *user_data);
+
+/**
+ * @brief Unregisters the callback function.
+ * @param[in]  output   The handle to the audio output
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_INVALID_OPERATION Invalid operation
+ * @see audio_in_set_interrupted_cb()
+ */
+int audio_in_unset_interrupted_cb(audio_in_h input);
+
+
+
+//
+//  AUDIO OUTPUT
+//
+
+/**
+ * @}
+*/
+
+/**
+ * @addtogroup CAPI_MEDIA_AUDIO_OUT_MODULE
+ * @{
+ */
+
+/**
+ * @brief    Creates an audio device instance and returns an output handle to play PCM (pulse-code modulation) data
+ * @details  This function is used for audio output initialization. 
+ * @remarks @a output must be released audio_out_destroy() by you.
+ *
+ * @param[in]  sample_rate  The audio sample rate in 8000[Hz] ~ 48000[Hz]
+ * @param[in]  channel      The audio channel type, mono, or stereo
+ * @param[in]  type         The type of audio sample (8- or 16-bit)
+ * @param[in]  sound_type   The type of sound (#sound_type_e)
+ * @param[out] output       An audio output handle will be created, if successful
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_OUT_OF_MEMORY Out of memory
+ * @retval #AUDIO_IO_ERROR_DEVICE_NOT_OPENED Device not opened
+ * @retval #AUDIO_IO_ERROR_SOUND_POLICY    Sound policy error
+ *
+ * @see audio_out_destroy()
+*/
+int audio_out_create(int sample_rate, audio_channel_e channel, audio_sample_type_e type, sound_type_e sound_type,  audio_out_h *output);
+
+
+
+/**
+ * @brief    Releases the audio output handle, along with all its resources
+ *
+ * @param[in]	output The handle to the audio output to destroy
+ *
+ * @return  0 on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_NONE Successful
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval  #AUDIO_IO_ERROR_OUT_OF_MEMORY Out of memory
+ * @retval  #AUDIO_IO_ERROR_DEVICE_NOT_CLOSED Device not closed
+ *
+ * @see audio_out_create()
+*/
+int audio_out_destroy(audio_out_h output);
+
+/**
+ * @brief   Prepare playing audio out, this must be called before audio_out_write()
+ * @param[in]	input	The handle to the audio output
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see audio_out_unprepare()
+ */
+int audio_out_prepare(audio_out_h output);
+
+
+
+/**
+ * @brief    Unprepare playing audio out.
+ * @param[in]	input	The handle to the audio output
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see audio_out_prepare()
+ */
+int audio_out_unprepare(audio_out_h output);
+
+
+
+
+/**
+ * @brief    Starts writing the audio data to the device
+ *
+ * @param[in]       output  The handle to the audio output
+ * @param[in,out]   buffer  The PCM buffer address
+ * @param[in]       length  The length of PCM buffer (in bytes)
+ *
+ * @return  Written data size on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval  #AUDIO_IO_ERROR_INVALID_BUFFER  Invalid buffer pointer
+ * @retval  #AUDIO_IO_ERROR_SOUND_POLICY    Sound policy error
+*/
+int audio_out_write(audio_out_h output, void *buffer, unsigned int length);
+
+
+
+/**
+ * @brief    Gets the size to be allocated for audio output buffer
+ * @param[in]     output  The handle to the audio output
+ * @param[out]    size    The suggested buffer size (in bytes). \n The maximum size is 1 MB.
+ *
+ * @return  0 on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_NONE Successful
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see audio_out_write()
+ *
+*/
+int audio_out_get_buffer_size(audio_out_h output, int *size);
+
+
+
+/**
+ * @brief    Gets the sample rate of audio output data stream
+ *
+ * @param[in]   output       The handle to the audio output
+ * @param[out]  sample_rate  The audio sample rate in Hertz (8000 ~ 48000)
+ *
+ * @return  0 on success, otherwise a negative error value.
+ * @retval  #AUDIO_IO_ERROR_NONE Successful
+ * @retval  #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_out_get_sample_rate(audio_out_h output, int *sample_rate);
+
+
+
+/**
+ * @brief    Gets the channel type of audio output data stream
+ *
+ * @details  The audio channel type defines whether the audio is mono or stereo.
+ *
+ * @param[in]   output  The handle to the audio output
+ * @param[out]  channel The audio channel type
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_out_get_channel(audio_out_h output, audio_channel_e *channel);
+
+
+
+/**
+ * @brief    Gets the sample audio format (8-bit or 16-bit) of audio output data stream
+ *
+ * @param[in]   output  The handle to the audio output
+ * @param[out]  type    The audio sample type
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_out_get_sample_type(audio_out_h output, audio_sample_type_e *type);
+
+
+
+/**
+ * @brief    Gets the sound type supported by the audio output device
+ * @param[in]  output   The handle to the audio output
+ * @param[out] type     The sound type
+ *
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+*/
+int audio_out_get_sound_type(audio_out_h output, sound_type_e *type);
+
+
+/**
+ * @brief Registers a callback function to be invoked when the audio out handle is interrupted or interrupt completed.
+ * @param[in] output   The handle to the audio output
+ * @param[in] callback	The callback function to register
+ * @param[in] user_data	The user data to be passed to the callback function
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_INVALID_OPERATION Invalid operation
+ * @post  audio_io_interrupted_cb() will be invoked
+ * @see audio_out_unset_interrupted_cb()
+ * @see audio_io_interrupted_cb()
+ */
+int audio_out_set_interrupted_cb(audio_out_h output, audio_io_interrupted_cb callback, void *user_data);
+
+/**
+ * @brief Unregisters the callback function.
+ * @param[in]  output   The handle to the audio output
+ * @return 0 on success, otherwise a negative error value.
+ * @retval #AUDIO_IO_ERROR_NONE Successful
+ * @retval #AUDIO_IO_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #AUDIO_IO_ERROR_INVALID_OPERATION Invalid operation
+ * @see audio_out_set_interrupted_cb()
+ */
+int audio_out_unset_interrupted_cb(audio_out_h output);
+
+
+
+/**
+ * @}
+*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TIZEN_MEDIA_AUDIO_IO_H__ */
diff --git a/include/audio_io_private.h b/include/audio_io_private.h
new file mode 100644
index 0000000..d124cea
--- /dev/null
+++ b/include/audio_io_private.h
@@ -0,0 +1,53 @@
+/*
+* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License. 
+*/
+
+#ifndef __TIZEN_MEDIA_AUDIO_IO_PRIVATE_H__
+#define	__TIZEN_MEDIA_AUDIO_IO_PRIVATE_H__
+#include <audio_io.h>
+#include <sound_manager.h>
+#include <mm_sound.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct _audio_in_s{
+	MMSoundPcmHandle_t mm_handle;
+	int _buffer_size;
+	int _sample_rate;
+	audio_channel_e _channel;
+	audio_sample_type_e _type;
+	audio_io_interrupted_cb user_cb;
+	void* user_data;
+} audio_in_s;
+
+typedef struct _audio_out_s{
+	MMSoundPcmHandle_t mm_handle;
+	int _buffer_size;
+	int _sample_rate;
+	audio_channel_e _channel;
+	audio_sample_type_e _type; 	
+	sound_type_e	_sound_type;
+	audio_io_interrupted_cb user_cb;
+	void* user_data;
+} audio_out_s;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__TIZEN_MEDIA_AUDIO_IO_PRIVATE_H__
diff --git a/packaging/capi-media-audio-io.spec b/packaging/capi-media-audio-io.spec
new file mode 100644
index 0000000..6452546
--- /dev/null
+++ b/packaging/capi-media-audio-io.spec
@@ -0,0 +1,56 @@
+Name:       capi-media-audio-io
+Summary:    An Audio Input & Audio Output library in Tizen Native API
+Version: 0.1.1
+Release:    3
+Group:      TO_BE/FILLED_IN
+License:    TO BE FILLED IN
+Source0:    %{name}-%{version}.tar.gz
+BuildRequires:  cmake
+BuildRequires:  pkgconfig(dlog)
+BuildRequires:  pkgconfig(mm-sound)
+BuildRequires:  pkgconfig(capi-media-sound-manager)
+BuildRequires:  pkgconfig(capi-base-common)
+Requires(post): /sbin/ldconfig  
+Requires(postun): /sbin/ldconfig
+
+%description
+An Audio Input & Audio Output library in Tizen Native API
+
+%package devel
+Summary:  An Audio Input & Audio Output library in Tizen Native API (Development)
+Group:    TO_BE/FILLED_IN
+Requires: %{name} = %{version}-%{release}
+
+%description devel
+An Audio Input & Audio Output library in Tizen Native API (DEV)
+
+%prep
+%setup -q
+
+
+%build
+MAJORVER=`echo %{version} | awk 'BEGIN {FS="."}{print $1}'`
+cmake . -DCMAKE_INSTALL_PREFIX=/usr -DFULLVER=%{version} -DMAJORVER=${MAJORVER}
+
+
+make %{?jobs:-j%jobs}
+
+%install
+rm -rf %{buildroot}
+%make_install
+
+%post -p /sbin/ldconfig
+
+%postun -p /sbin/ldconfig
+
+
+%files
+%{_libdir}/libcapi-media-audio-io.so.*
+%manifest capi-media-audio-io.manifest
+
+%files devel
+%{_includedir}/media/audio_io.h
+%{_libdir}/pkgconfig/*.pc
+%{_libdir}/libcapi-media-audio-io.so
+
+
diff --git a/src/audio_io.c b/src/audio_io.c
new file mode 100644
index 0000000..46cc472
--- /dev/null
+++ b/src/audio_io.c
@@ -0,0 +1,590 @@
+/*
+* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License. 
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <mm.h>
+#include <glib.h>
+#include <audio_io_private.h>
+#include <dlog.h>
+
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+#define LOG_TAG "TIZEN_N_AUDIO_IO"
+
+/*
+* Internal Macros
+*/
+#define AUDIO_IO_CHECK_CONDITION(condition,error,msg)	\
+		if(condition) {} else \
+		{ LOGE("[%s] %s(0x%08x)",__FUNCTION__, msg,error); return error;}; \
+
+#define AUDIO_IO_NULL_ARG_CHECK(arg)	\
+	AUDIO_IO_CHECK_CONDITION(arg != NULL, AUDIO_IO_ERROR_INVALID_PARAMETER, "AUDIO_IO_ERROR_INVALID_PARAMETER" )
+
+/*
+* Internal Implementation
+*/
+static int __convert_error_code(int code, char *func_name)
+{
+	int ret = AUDIO_IO_ERROR_NONE;
+	char* msg = "AUDIO_IO_ERROR_NONE";
+
+	switch(code)
+	{
+		case MM_ERROR_NONE:
+			ret = AUDIO_IO_ERROR_NONE;
+			msg = "AUDIO_IO_ERROR_NONE";
+			break;
+		case MM_ERROR_INVALID_ARGUMENT:
+		case MM_ERROR_SOUND_DEVICE_INVALID_SAMPLERATE:
+		case MM_ERROR_SOUND_DEVICE_INVALID_CHANNEL:
+		case MM_ERROR_SOUND_DEVICE_INVALID_FORMAT:
+			ret = AUDIO_IO_ERROR_INVALID_PARAMETER;
+			msg = "AUDIO_IO_ERROR_INVALID_PARAMETER";
+			break;
+		case MM_ERROR_SOUND_DEVICE_NOT_OPENED:
+			ret = AUDIO_IO_ERROR_DEVICE_NOT_OPENED;
+			msg = "AUDIO_IO_ERROR_DEVICE_NOT_OPENED";
+			break;
+		case MM_ERROR_SOUND_INTERNAL:
+			ret = AUDIO_IO_ERROR_DEVICE_NOT_CLOSED;
+			msg = "AUDIO_IO_ERROR_DEVICE_NOT_CLOSED";
+			break;
+		case MM_ERROR_SOUND_INVALID_POINTER:
+			ret = AUDIO_IO_ERROR_INVALID_BUFFER;
+			msg = "AUDIO_IO_ERROR_INVALID_BUFFER";
+			break;		
+		case MM_ERROR_POLICY_BLOCKED:
+		case MM_ERROR_POLICY_INTERRUPTED:
+		case MM_ERROR_POLICY_INTERNAL:
+		case MM_ERROR_POLICY_DUPLICATED:
+			ret = AUDIO_IO_ERROR_SOUND_POLICY;
+			msg = "AUDIO_IO_ERROR_SOUND_POLICY";
+			break;
+	} 
+	LOGE("[%s] %s(0x%08x) : core fw error(0x%x)",func_name,msg, ret, code);
+	return ret;	
+}
+
+static int __check_parameter(int sample_rate, audio_channel_e channel, audio_sample_type_e type)
+{
+	if(sample_rate<8000 || sample_rate > 48000)	{
+		LOGE("[%s] AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) :  Invalid sample rate (8000~48000Hz) : %d",__FUNCTION__, AUDIO_IO_ERROR_INVALID_PARAMETER,sample_rate);
+		return AUDIO_IO_ERROR_INVALID_PARAMETER;
+	}
+	if (channel < AUDIO_CHANNEL_MONO || channel > AUDIO_CHANNEL_STEREO) {
+		LOGE("[%s] AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) :  Invalid audio channel : %d",__FUNCTION__, AUDIO_IO_ERROR_INVALID_PARAMETER,channel);
+		return AUDIO_IO_ERROR_INVALID_PARAMETER;
+	}
+	if (type < AUDIO_SAMPLE_TYPE_U8 || type > AUDIO_SAMPLE_TYPE_S16_LE) {
+		LOGE("[%s] AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) :  Invalid sample typel : %d",__FUNCTION__, AUDIO_IO_ERROR_INVALID_PARAMETER,type);
+		return AUDIO_IO_ERROR_INVALID_PARAMETER;
+	}
+	return AUDIO_IO_ERROR_NONE;
+}
+
+
+static audio_io_interrupted_code_e __translate_interrupted_code (int code)
+{
+	audio_io_interrupted_code_e e = AUDIO_IO_INTERRUPTED_COMPLETED;
+
+	switch(code)
+	{
+	case MM_MSG_CODE_INTERRUPTED_BY_ALARM_END:
+	case MM_MSG_CODE_INTERRUPTED_BY_EMERGENCY_END:
+		e = AUDIO_IO_INTERRUPTED_COMPLETED;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_MEDIA:
+	case MM_MSG_CODE_INTERRUPTED_BY_OTHER_PLAYER_APP:
+		e = AUDIO_IO_INTERRUPTED_BY_MEDIA;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_CALL_START:
+		e = AUDIO_IO_INTERRUPTED_BY_CALL;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_EARJACK_UNPLUG:
+		e = AUDIO_IO_INTERRUPTED_BY_EARJACK_UNPLUG;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT:
+		e = AUDIO_IO_INTERRUPTED_BY_RESOURCE_CONFLICT;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_ALARM_START:
+		e = AUDIO_IO_INTERRUPTED_BY_ALARM;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_EMERGENCY_START:
+		e = AUDIO_IO_INTERRUPTED_BY_EMERGENCY;
+		break;
+
+	case MM_MSG_CODE_INTERRUPTED_BY_RESUMABLE_MEDIA:
+		e = AUDIO_IO_INTERRUPTED_BY_RESUMABLE_MEDIA;
+		break;
+	}
+
+	return e;
+}
+
+static int __mm_sound_pcm_capture_msg_cb (int message, void *param, void *user_param)
+{
+	audio_io_interrupted_code_e e = AUDIO_IO_INTERRUPTED_COMPLETED;
+	audio_in_s *handle = (audio_in_s *) user_param;
+	MMMessageParamType *msg = (MMMessageParamType*)param;
+
+	LOGI("[%s] Got message type : 0x%x with code : %d" ,__FUNCTION__, message, msg->code);
+
+	if (handle->user_cb == NULL) {
+		LOGI("[%s] No interrupt callback is set. Skip this" ,__FUNCTION__);
+		return 0;
+	}
+
+	if (message == MM_MESSAGE_SOUND_PCM_INTERRUPTED) {
+		e = __translate_interrupted_code (msg->code);
+	} else if (message == MM_MESSAGE_SOUND_PCM_CAPTURE_RESTRICTED) {
+		/* TODO : handling restricted code is needed */
+		/* e = _translate_restricted_code (msg->code); */
+	}
+
+	handle->user_cb (e, handle->user_data);
+
+	return 0;
+}
+
+static int __mm_sound_pcm_playback_msg_cb (int message, void *param, void *user_param)
+{
+	audio_io_interrupted_code_e e = AUDIO_IO_INTERRUPTED_COMPLETED;
+	audio_out_s *handle = (audio_out_s *) user_param;
+	MMMessageParamType *msg = (MMMessageParamType*)param;
+
+	LOGI("[%s] Got message type : 0x%x with code : %d" ,__FUNCTION__, message, msg->code);
+
+	if (handle->user_cb == NULL) {
+		LOGI("[%s] No interrupt callback is set. Skip this" ,__FUNCTION__);
+		return 0;
+	}
+
+	if (message == MM_MESSAGE_SOUND_PCM_INTERRUPTED) {
+		e = __translate_interrupted_code (msg->code);
+	}
+
+	handle->user_cb (e, handle->user_data);
+
+	return 0;
+}
+
+
+/*
+* Public Implementation
+*/
+
+/* Audio In */
+int audio_in_create(int sample_rate, audio_channel_e channel, audio_sample_type_e type , audio_in_h* input)
+{
+	int ret = 0;
+	audio_in_s *handle = NULL;
+
+	/* input condition check */
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	if(__check_parameter(sample_rate, channel, type) != AUDIO_IO_ERROR_NONE)
+		return AUDIO_IO_ERROR_INVALID_PARAMETER;
+
+	/* Create Handle */
+	handle = (audio_in_s*)malloc( sizeof(audio_in_s));
+	if (handle != NULL) {
+		memset(handle, 0, sizeof(audio_in_s));
+	} else {
+		LOGE("[%s] ERROR :  AUDIO_IO_ERROR_OUT_OF_MEMORY(0x%08x)" ,__FUNCTION__, AUDIO_IO_ERROR_OUT_OF_MEMORY );
+		return AUDIO_IO_ERROR_OUT_OF_MEMORY;
+	}
+
+	ret = mm_sound_pcm_capture_open( &handle->mm_handle,sample_rate, channel, type);
+	if( ret < 0) {
+		free (handle);
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+	LOGI("[%s] mm_sound_pcm_capture_open() success",__FUNCTION__);
+
+	/* Fill information */
+	*input = (audio_in_h)handle;
+	handle->_buffer_size= ret;
+	handle->_sample_rate= sample_rate;
+	handle->_channel= channel;
+	handle->_type= type;
+
+	/* Set message interrupt callback */
+	ret = mm_sound_pcm_set_message_callback(handle->mm_handle, __mm_sound_pcm_capture_msg_cb, handle);
+	if( ret < 0) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+	LOGI("[%s] mm_sound_pcm_set_message_callback() success",__FUNCTION__);
+
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_destroy(audio_in_h input)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	int ret = mm_sound_pcm_capture_close(handle->mm_handle);
+	if (ret != MM_ERROR_NONE) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+	free(handle);
+
+	LOGI("[%s] mm_sound_pcm_capture_close() success",__FUNCTION__);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_prepare(audio_in_h input)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	int ret = mm_sound_pcm_capture_start(handle->mm_handle);
+	if (ret != MM_ERROR_NONE) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+
+	LOGI("[%s] mm_sound_pcm_capture_start() success",__FUNCTION__);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_unprepare(audio_in_h input)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	int ret = mm_sound_pcm_capture_stop(handle->mm_handle);
+	if (ret != MM_ERROR_NONE) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+
+	LOGI("[%s] mm_sound_pcm_capture_stop() success",__FUNCTION__);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_read(audio_in_h input, void *buffer, unsigned int length )
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	AUDIO_IO_NULL_ARG_CHECK(buffer);
+	audio_in_s *handle = (audio_in_s *) input;
+	int ret = 0;
+	int result = 0;
+
+	ret = mm_sound_pcm_capture_read(handle->mm_handle, (void*) buffer, length);
+	if (ret > 0) {
+		LOGI("[%s] (%d/%d) bytes read" ,__FUNCTION__, ret, length);
+		return ret;
+	}
+
+	switch(ret)
+	{
+		case MM_ERROR_SOUND_INVALID_STATE:
+			result = AUDIO_IO_ERROR_INVALID_OPERATION;
+			LOGE("[%s] (0x%08x) : Not recording started yet.",(char*)__FUNCTION__, AUDIO_IO_ERROR_INVALID_OPERATION);
+			break;
+		default:
+			result = __convert_error_code(ret, (char*)__FUNCTION__);
+			break;
+	}
+	return result;
+}
+
+int audio_in_get_buffer_size(audio_in_h input, int *size)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	AUDIO_IO_NULL_ARG_CHECK(size);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	*size = handle->_buffer_size;
+
+	LOGI("[%s] buffer size = %d",__FUNCTION__, *size);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_get_sample_rate(audio_in_h input, int *sample_rate)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	AUDIO_IO_NULL_ARG_CHECK(sample_rate);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	*sample_rate = handle->_sample_rate;
+
+	LOGI("[%s] sample rate = %d",__FUNCTION__, *sample_rate);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_in_get_channel(audio_in_h input, audio_channel_e *channel)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	AUDIO_IO_NULL_ARG_CHECK(channel);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	*channel = handle->_channel;
+
+	LOGI("[%s] channel = %d",__FUNCTION__, *channel);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_get_sample_type(audio_in_h input, audio_sample_type_e *type)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	AUDIO_IO_NULL_ARG_CHECK(type);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	*type = handle->_type;
+
+	LOGI("[%s] sample type = %d",__FUNCTION__, *type);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_set_interrupted_cb(audio_in_h input, audio_io_interrupted_cb callback, void *user_data)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	AUDIO_IO_NULL_ARG_CHECK(callback);
+	audio_in_s *handle = (audio_in_s *) input;
+
+	handle->user_cb = callback;
+	handle->user_data = user_data;
+
+	LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_unset_interrupted_cb(audio_in_h input)
+{
+	AUDIO_IO_NULL_ARG_CHECK(input);
+	audio_in_s  * handle = (audio_in_s  *) input;
+
+	handle->user_cb = NULL;
+	handle->user_data = NULL;
+
+	LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+/* Audio Out */
+int audio_out_create(int sample_rate, audio_channel_e channel, audio_sample_type_e type, sound_type_e sound_type,  audio_out_h* output)
+{
+	audio_out_s *handle = NULL;
+	int ret = 0;
+
+	/* input condition check */
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	if(__check_parameter(sample_rate, channel, type)!=AUDIO_IO_ERROR_NONE)
+		return AUDIO_IO_ERROR_INVALID_PARAMETER;
+	if(sound_type < SOUND_TYPE_SYSTEM || sound_type > SOUND_TYPE_CALL) {
+		LOGE("[%s] ERROR :  AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) : Invalid sample sound type : %d" ,__FUNCTION__,AUDIO_IO_ERROR_INVALID_PARAMETER,sound_type );
+		return AUDIO_IO_ERROR_INVALID_PARAMETER;
+	}
+	
+	/* Create Handle */
+	handle = (audio_out_s*)malloc( sizeof(audio_out_s));
+	if (handle != NULL) {
+		memset(handle, 0 , sizeof(audio_out_s));
+	} else {
+		LOGE("[%s] ERROR :  AUDIO_IO_ERROR_OUT_OF_MEMORY(0x%08x)" ,__FUNCTION__,AUDIO_IO_ERROR_OUT_OF_MEMORY );
+		return AUDIO_IO_ERROR_OUT_OF_MEMORY;
+	}
+	ret = mm_sound_pcm_play_open(&handle->mm_handle,sample_rate, channel, type, sound_type);
+	if( ret < 0) {
+		free (handle);
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+	LOGI("[%s] mm_sound_pcm_play_open() success",__FUNCTION__);
+
+	/* Fill information */
+	*output = (audio_out_h)handle;
+	handle->_buffer_size = ret;
+	handle->_sample_rate = sample_rate;
+	handle->_channel = channel;
+	handle->_type = type;
+	handle->_sound_type = sound_type;
+
+	/* Set message interrupt callback */
+	ret = mm_sound_pcm_set_message_callback(handle->mm_handle, __mm_sound_pcm_playback_msg_cb, handle);
+	if( ret < 0) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+	LOGI("[%s] mm_sound_pcm_set_message_callback() success",__FUNCTION__);
+
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_destroy(audio_out_h output)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	int ret = mm_sound_pcm_play_close(handle->mm_handle);
+	if (ret != MM_ERROR_NONE) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+	free(handle);
+
+	LOGI("[%s] mm_sound_pcm_play_close() success",__FUNCTION__);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_prepare(audio_out_h output)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	int ret = mm_sound_pcm_play_start(handle->mm_handle);
+	if (ret != MM_ERROR_NONE) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+
+	LOGI("[%s] mm_sound_pcm_play_start() success",__FUNCTION__);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_unprepare(audio_out_h output)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	int ret = mm_sound_pcm_play_stop(handle->mm_handle);
+	if (ret != MM_ERROR_NONE) {
+		return __convert_error_code(ret, (char*)__FUNCTION__);
+	}
+
+	LOGI("[%s] mm_sound_pcm_play_stop() success",__FUNCTION__);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_write(audio_out_h output, void* buffer, unsigned int length)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(buffer);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	int ret = mm_sound_pcm_play_write(handle->mm_handle, (void*) buffer, length);
+	if (ret > 0) {
+		LOGI("[%s] (%d/%d) bytes written" ,__FUNCTION__, ret, length);
+		return ret;
+	}
+	switch(ret)
+	{
+		case MM_ERROR_SOUND_INVALID_STATE:
+			ret = AUDIO_IO_ERROR_INVALID_OPERATION;
+			LOGE("[%s] (0x%08x) : Not playing started yet.",(char*)__FUNCTION__, AUDIO_IO_ERROR_INVALID_OPERATION);
+			break;
+		default:
+			ret = __convert_error_code(ret, (char*)__FUNCTION__);
+			break;
+	}
+	return ret;
+}
+
+
+int audio_out_get_buffer_size(audio_out_h output, int *size)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(size);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	*size = handle->_buffer_size;
+
+	LOGI("[%s] buffer size = %d",__FUNCTION__, *size);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_sample_rate(audio_out_h output, int *sample_rate)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(sample_rate);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	*sample_rate = handle->_sample_rate;
+
+	LOGI("[%s] sample rate = %d",__FUNCTION__, *sample_rate);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_channel(audio_out_h output, audio_channel_e *channel)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(channel);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	*channel = handle->_channel;
+
+	LOGI("[%s] channel = %d",__FUNCTION__, *channel);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_sample_type(audio_out_h output, audio_sample_type_e *type)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(type);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	*type = handle->_type;
+
+	LOGI("[%s] sample type = %d",__FUNCTION__, *type);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_sound_type(audio_out_h output, sound_type_e *type)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(type);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	*type = handle->_sound_type;
+
+	LOGI("[%s] sound type = %d",__FUNCTION__, *type);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_set_interrupted_cb(audio_out_h output, audio_io_interrupted_cb callback, void *user_data)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	AUDIO_IO_NULL_ARG_CHECK(callback);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	handle->user_cb = callback;
+	handle->user_data = user_data;
+
+	LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+	return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_unset_interrupted_cb(audio_out_h output)
+{
+	AUDIO_IO_NULL_ARG_CHECK(output);
+	audio_out_s *handle = (audio_out_s *) output;
+
+	handle->user_cb = NULL;
+	handle->user_data = NULL;
+
+	LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+	return AUDIO_IO_ERROR_NONE;
+}
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
new file mode 100644
index 0000000..795370d
--- /dev/null
+++ b/test/CMakeLists.txt
@@ -0,0 +1,18 @@
+
+SET(fw_test "${fw_name}-test")
+
+INCLUDE(FindPkgConfig)
+FOREACH(flag ${${fw_test}_CFLAGS})
+    SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
+ENDFOREACH(flag)
+
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -Wall -Werror")
+
+aux_source_directory(. sources)
+FOREACH(src ${sources})
+    GET_FILENAME_COMPONENT(src_name ${src} NAME_WE)
+    MESSAGE("${src_name}")
+    ADD_EXECUTABLE(${src_name} ${src})
+    TARGET_LINK_LIBRARIES(${src_name} ${fw_name} ${${fw_test}_LDFLAGS})
+ENDFOREACH()
+
diff --git a/test/audio_io_test.c b/test/audio_io_test.c
new file mode 100755
index 0000000..2647c16
--- /dev/null
+++ b/test/audio_io_test.c
@@ -0,0 +1,32 @@
+/*
+* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License. 
+*/
+ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <audio_io.h>	
+
+int audio_io_test()
+{
+	return 1;
+}
+
+int main(int argc, char ** argv)
+{
+	audio_io_test();
+	return 0;
+}
+