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diff --git a/include/avsys-audio-pasimple.h b/include/avsys-audio-pasimple.h
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+/*
+ * avsystem
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Contact: Jonghyuk Choi <jhchoi.choi@samsung.com>
+ *
+ * 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 __AVSYS_AUDIO_PASIMPLE_H__
+#define __AVSYS_AUDIO_PASIMPLE_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+#include <avsys-audio-handle.h>
+#include <pulse/simple.h>
+#include <pulse/error.h>
+#include <pulse/gccmacro.h>
+#include <pulse/proplist.h>
+
+typedef struct {
+ void *pasimple_handle;
+ unsigned int samplesize;
+ unsigned int period_frames;
+ unsigned int buffer_frames;
+ unsigned int mode;
+ unsigned int periods_per_buffer;
+} avsys_audio_pasimple_handle_t;
+
+int avsys_audio_pasimple_open_device(const int mode, const unsigned int format, const unsigned int channel, const unsigned int samplerate, avsys_audio_handle_t *handle,int policy);
+int avsys_audio_pasimple_close_device(avsys_audio_handle_t *handle);
+int avsys_audio_pasimple_write(avsys_audio_handle_t *handle, const void *buf, int size);
+int avsys_audio_pasimple_read(avsys_audio_handle_t *handle, void *buf, int size);
+int avsys_audio_pasimple_reset(avsys_audio_handle_t *handle);
+int avsys_audio_pasimple_drain(avsys_audio_handle_t *handle);
+int avsys_audio_pasimple_delay(avsys_audio_handle_t *handle, int *delay_frames);
+int avsys_audio_pasimple_set_volume(avsys_audio_handle_t *handle, int volume);
+int avsys_audio_pasimple_get_period_buffer_time(avsys_audio_handle_t *handle, unsigned int *period_time, unsigned int *buffer_time);
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* __AVSYS_AUDIO_PASIMPLE_H__ */