audio驱动使用系统内的dataqueue，修复一些缩进，乱码

components/drivers/include/drivers/audio.h

+/*
+ * File      : audio.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-05-09     Urey      first version
+ */
+
 #ifndef __AUDIO_H__
 #define __AUDIO_H__
 
-//#define AUDIO_DEVICE_USE_PRIVATE_BUFFER
-
-
 /* AUDIO command */
 #define _AUDIO_CTL(a) (0x10 + a)
 
@@ -93,6 +114,10 @@
 
 #define CFG_AUDIO_REPLAY_QUEUE_COUNT        4
 #define CFG_AUDIO_RECORD_PIPE_SIZE          (8 * 1024)
+#define AUDIO_DEVICE_MP_CNT                 (4)
+#define AUDIO_DEVICE_DECODE_MP_BLOCK_SZ     (4352 * 4)
+#define AUDIO_DEVICE_DECODE_MP_SZ           ((AUDIO_DEVICE_DECODE_MP_BLOCK_SZ*2 + 4)*AUDIO_DEVICE_MP_CNT)
+
 
 enum
 {
@@ -117,23 +142,6 @@ struct rt_audio_frame
 {
     const void *data_ptr;
     rt_size_t   data_size;
-    rt_size_t   data_ofs;
-};
-
-struct rt_audio_queue
-{
-    rt_uint16_t count;
-    rt_uint16_t size;
-    rt_uint16_t lwm;
-    rt_bool_t   waiting_lwm;
-
-    rt_uint16_t get_index;
-    rt_uint16_t put_index;
-
-    struct rt_audio_frame *queue;
-
-    rt_list_t suspended_push_list;
-    rt_list_t suspended_pop_list;
 };
 
 struct rt_audio_device;
@@ -156,10 +164,6 @@ struct rt_audio_ops
 
     //get page size of codec or private buffer's info
     void    (*buffer_info)      (struct rt_audio_device *audio,struct rt_audio_buf_info *info );
-#ifdef AUDIO_DEVICE_USE_PRIVATE_BUFFER
-    rt_err_t    (*buffer_alloc)     (struct rt_audio_device *audio,rt_uint8_t **data_ptr,rt_size_t *size);
-    void        (*buffer_free)      (struct rt_audio_device *audio,rt_uint8_t *data_ptr);
-#endif
 };
 
 
@@ -188,7 +192,7 @@ struct rt_audio_caps
 struct rt_audio_replay
 {
     rt_bool_t activated;
-    struct rt_audio_queue       queue;
+    struct rt_data_queue queue;
 };
 
 struct rt_audio_record
@@ -202,14 +206,16 @@ struct rt_audio_device
     struct rt_device            parent;
     struct rt_audio_ops        *ops;
 
+    struct rt_mempool           mp;
+
     struct rt_audio_replay     *replay;
     struct rt_audio_record     *record;
 };
 
-rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data);
-void rt_audio_tx_complete(struct rt_audio_device *audio,rt_uint8_t *pbuf);
-void rt_audio_rx_done(struct rt_audio_device *audio,rt_uint8_t *pbuf,rt_size_t len);
-rt_uint32_t rt_audio_format_to_bits(rt_uint32_t format);
+rt_err_t    rt_audio_register       (struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data);
+void        rt_audio_tx_complete    (struct rt_audio_device *audio,rt_uint8_t *pbuf);
+void        rt_audio_rx_done        (struct rt_audio_device *audio,rt_uint8_t *pbuf,rt_size_t len);
+rt_uint32_t rt_audio_format_to_bits (rt_uint32_t format);
 
 
 /* Device Control Commands */
@@ -219,7 +225,6 @@ rt_uint32_t rt_audio_format_to_bits(rt_uint32_t format);
 #define CODEC_CMD_SAMPLERATE        3
 #define CODEC_CMD_EQ                4
 #define CODEC_CMD_3D                5
-#define CODEC_CMD_SWITCH            6
 
 #define CODEC_VOLUME_MAX            (63)