1/*
2 * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#ifndef DIRECT_AUDIO_INCLUDED
27#define DIRECT_AUDIO_INCLUDED
28
29// includes for types
30#include "SoundDefs.h"
31
32// for memset
33#include <string.h>
34
35#include "Utilities.h"
36
37// the following defines should match the ones in AbstractMixer.java
38#define DAUDIO_PCM 0
39#define DAUDIO_ULAW 1
40#define DAUDIO_ALAW 2
41
42#define DAUDIO_STRING_LENGTH 200
43
44typedef struct tag_DirectAudioDeviceDescription {
45 // optional deviceID (complementary to deviceIndex)
46 INT32 deviceID;
47 INT32 maxSimulLines;
48 char name[DAUDIO_STRING_LENGTH+1];
49 char vendor[DAUDIO_STRING_LENGTH+1];
50 char description[DAUDIO_STRING_LENGTH+1];
51 char version[DAUDIO_STRING_LENGTH+1];
52} DirectAudioDeviceDescription;
53
54
55// method definitions
56
57#if (USE_DAUDIO == TRUE)
58
59// callback from GetFormats, implemented in DirectAudioDevice.c
60void DAUDIO_AddAudioFormat(void* creator, int significantBits, int frameSizeInBytes,
61 int channels, float sampleRate,
62 int encoding, int isSigned,
63 int bigEndian);
64
65
66// the following methods need to be implemented by the platform dependent code
67
68/* returns the number of mixer devices */
69INT32 DAUDIO_GetDirectAudioDeviceCount();
70
71/* returns TRUE on success, FALSE otherwise */
72INT32 DAUDIO_GetDirectAudioDeviceDescription(INT32 mixerIndex,
73 DirectAudioDeviceDescription* description);
74
75// SourceDataLine and TargetDataLine
76
77void DAUDIO_GetFormats(INT32 mixerIndex, INT32 deviceID, int isSource, void* creator);
78
79void* DAUDIO_Open(INT32 mixerIndex, INT32 deviceID, int isSource,
80 int encoding, float sampleRate, int sampleSizeInBits,
81 int frameSize, int channels,
82 int isSigned, int isBigEndian, int bufferSizeInBytes);
83int DAUDIO_Start(void* id, int isSource);
84int DAUDIO_Stop(void* id, int isSource);
85void DAUDIO_Close(void* id, int isSource);
86int DAUDIO_Write(void* id, char* data, int byteSize); // returns -1 on error
87int DAUDIO_Read(void* id, char* data, int byteSize); // returns -1 on error
88
89int DAUDIO_GetBufferSize(void* id, int isSource);
90int DAUDIO_StillDraining(void* id, int isSource);
91int DAUDIO_Flush(void* id, int isSource);
92/* in bytes */
93int DAUDIO_GetAvailable(void* id, int isSource);
94INT64 DAUDIO_GetBytePosition(void* id, int isSource, INT64 javaBytePos);
95void DAUDIO_SetBytePosition(void* id, int isSource, INT64 javaBytePos);
96
97int DAUDIO_RequiresServicing(void* id, int isSource);
98void DAUDIO_Service(void* id, int isSource);
99
100#endif // USE_DAUDIO
101
102#endif // DIRECT_AUDIO_INCLUDED
103