1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef __AUDIORESAMPLE_BUFFER_H__

    20 #define __AUDIORESAMPLE_BUFFER_H__

    21 

    22 #include <glib.h>

    23 

    24 typedef struct _AudioresampleBuffer AudioresampleBuffer;

    25 typedef struct _AudioresampleBufferQueue AudioresampleBufferQueue;

    26 

    27 struct _AudioresampleBuffer

    28 {

    29   unsigned char *data;

    30   int length;

    31 

    32   int ref_count;

    33 

    34   AudioresampleBuffer *parent;

    35 

    36   void (*free) (AudioresampleBuffer *, void *);

    37   void *priv;

    38   void *priv2;

    39 };

    40 

    41 struct _AudioresampleBufferQueue

    42 {

    43   GList *buffers;

    44   int depth;

    45   int offset;

    46 };

    47 #ifdef __SYMBIAN32__

    48 IMPORT_C

    49 #endif

    50 

    51 

    52 AudioresampleBuffer *   audioresample_buffer_new                (void);

    53 #ifdef __SYMBIAN32__

    54 IMPORT_C

    55 #endif

    56 

    57 AudioresampleBuffer *   audioresample_buffer_new_and_alloc      (int size);

    58 #ifdef __SYMBIAN32__

    59 IMPORT_C

    60 #endif

    61 

    62 AudioresampleBuffer *   audioresample_buffer_new_with_data      (void *data, int size);

    63 #ifdef __SYMBIAN32__

    64 IMPORT_C

    65 #endif

    66 

    67 AudioresampleBuffer *   audioresample_buffer_new_subbuffer      (AudioresampleBuffer * buffer, 

    68                                                                  int offset,

    69                                                                  int length);

    70 #ifdef __SYMBIAN32__

    71 IMPORT_C

    72 #endif

    73 

    74 void                    audioresample_buffer_ref                (AudioresampleBuffer * buffer);

    75 #ifdef __SYMBIAN32__

    76 IMPORT_C

    77 #endif

    78 

    79 void                    audioresample_buffer_unref              (AudioresampleBuffer * buffer);

    80 #ifdef __SYMBIAN32__

    81 IMPORT_C

    82 #endif

    83 

    84 

    85 AudioresampleBufferQueue *      

    86                         audioresample_buffer_queue_new          (void);

    87 #ifdef __SYMBIAN32__

    88 IMPORT_C

    89 #endif

    90 

    91 void                    audioresample_buffer_queue_free         (AudioresampleBufferQueue * queue);

    92 #ifdef __SYMBIAN32__

    93 IMPORT_C

    94 #endif

    95 

    96 int                     audioresample_buffer_queue_get_depth    (AudioresampleBufferQueue * queue);

    97 #ifdef __SYMBIAN32__

    98 IMPORT_C

    99 #endif

   100 

   101 int                     audioresample_buffer_queue_get_offset   (AudioresampleBufferQueue * queue);

   102 #ifdef __SYMBIAN32__

   103 IMPORT_C

   104 #endif

   105 

   106 void                    audioresample_buffer_queue_push         (AudioresampleBufferQueue * queue,

   107                                                                  AudioresampleBuffer * buffer);

   108 #ifdef __SYMBIAN32__

   109 IMPORT_C

   110 #endif

   111 

   112 AudioresampleBuffer *   audioresample_buffer_queue_pull         (AudioresampleBufferQueue * queue, int len);

   113 #ifdef __SYMBIAN32__

   114 IMPORT_C

   115 #endif

   116 

   117 AudioresampleBuffer *   audioresample_buffer_queue_peek         (AudioresampleBufferQueue * queue, int len);

   118 #ifdef __SYMBIAN32__

   119 IMPORT_C

   120 #endif

   121 

   122 void                    audioresample_buffer_queue_flush        (AudioresampleBufferQueue * queue);

   123 

   124 #endif