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Viewing changes to daemon/libs/pjproject-2.1.0/third_party/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c

  • Committer: Package Import Robot
  • Author(s): Mark Purcell
  • Date: 2014-01-28 18:23:36 UTC
  • mfrom: (1.1.11)
  • mto: This revision was merged to the branch mainline in revision 24.
  • Revision ID: package-import@ubuntu.com-20140128182336-3xenud1kbnwmf3mz
http://bugs.debian.org/735846
http://bugs.debian.org/727164
http://bugs.debian.org/718178
http://bugs.debian.org/736583
http://bugs.debian.org/722040
http://bugs.debian.org/736746
* New upstream release 
  - Fixes "New Upstream Release" (Closes: #735846)
  - Fixes "Ringtone does not stop" (Closes: #727164)
  - Fixes "[sflphone-kde] crash on startup" (Closes: #718178)
  - Fixes "sflphone GUI crashes when call is hung up" (Closes: #736583)
* Build-Depends: ensure GnuTLS 2.6
  - libucommon-dev (>= 6.0.7-1.1), libccrtp-dev (>= 2.0.6-3)
  - Fixes "FTBFS Build-Depends libgnutls{26,28}-dev" (Closes: #722040)
* Fix "boost 1.49 is going away" unversioned Build-Depends: (Closes: #736746)
* Add Build-Depends: libsndfile-dev, nepomuk-core-dev

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daemon/libs/pjproject-2.1.0/third_party/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c
 
1
/*
 
2
 * Interface for dynamically loading directsound and providing a dummy
 
3
 * implementation if it isn't present.
 
4
 *
 
5
 * Author: Ross Bencina (some portions Phil Burk & Robert Marsanyi)
 
6
 *
 
7
 * For PortAudio Portable Real-Time Audio Library
 
8
 * For more information see: http://www.portaudio.com
 
9
 * Copyright (c) 1999-2006 Phil Burk, Robert Marsanyi and Ross Bencina
 
10
 *
 
11
 * Permission is hereby granted, free of charge, to any person obtaining
 
12
 * a copy of this software and associated documentation files
 
13
 * (the "Software"), to deal in the Software without restriction,
 
14
 * including without limitation the rights to use, copy, modify, merge,
 
15
 * publish, distribute, sublicense, and/or sell copies of the Software,
 
16
 * and to permit persons to whom the Software is furnished to do so,
 
17
 * subject to the following conditions:
 
18
 *
 
19
 * The above copyright notice and this permission notice shall be
 
20
 * included in all copies or substantial portions of the Software.
 
21
 *
 
22
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
23
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
24
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 
25
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
 
26
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 
27
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
28
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
29
 */
 
30
 
 
31
/*
 
32
 * The text above constitutes the entire PortAudio license; however, 
 
33
 * the PortAudio community also makes the following non-binding requests:
 
34
 *
 
35
 * Any person wishing to distribute modifications to the Software is
 
36
 * requested to send the modifications to the original developer so that
 
37
 * they can be incorporated into the canonical version. It is also 
 
38
 * requested that these non-binding requests be included along with the 
 
39
 * license above.
 
40
 */
 
41
 
 
42
/**
 
43
 @file
 
44
 @ingroup hostapi_src
 
45
*/
 
46
 
 
47
#include "pa_win_ds_dynlink.h"
 
48
 
 
49
PaWinDsDSoundEntryPoints paWinDsDSoundEntryPoints = { 0, 0, 0, 0, 0, 0, 0 };
 
50
 
 
51
 
 
52
static HRESULT WINAPI DummyDllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 
53
{
 
54
    (void)rclsid; /* unused parameter */
 
55
    (void)riid; /* unused parameter */
 
56
    (void)ppv; /* unused parameter */
 
57
    return CLASS_E_CLASSNOTAVAILABLE;
 
58
}
 
59
 
 
60
static HRESULT WINAPI DummyDirectSoundCreate(LPGUID lpcGuidDevice, LPDIRECTSOUND *ppDS, LPUNKNOWN pUnkOuter)
 
61
{
 
62
    (void)lpcGuidDevice; /* unused parameter */
 
63
    (void)ppDS; /* unused parameter */
 
64
    (void)pUnkOuter; /* unused parameter */
 
65
    return E_NOTIMPL;
 
66
}
 
67
 
 
68
static HRESULT WINAPI DummyDirectSoundEnumerateW(LPDSENUMCALLBACKW lpDSEnumCallback, LPVOID lpContext)
 
69
{
 
70
    (void)lpDSEnumCallback; /* unused parameter */
 
71
    (void)lpContext; /* unused parameter */
 
72
    return E_NOTIMPL;
 
73
}
 
74
 
 
75
static HRESULT WINAPI DummyDirectSoundEnumerateA(LPDSENUMCALLBACKA lpDSEnumCallback, LPVOID lpContext)
 
76
{
 
77
    (void)lpDSEnumCallback; /* unused parameter */
 
78
    (void)lpContext; /* unused parameter */
 
79
    return E_NOTIMPL;
 
80
}
 
81
 
 
82
static HRESULT WINAPI DummyDirectSoundCaptureCreate(LPGUID lpcGUID, LPDIRECTSOUNDCAPTURE *lplpDSC, LPUNKNOWN pUnkOuter)
 
83
{
 
84
    (void)lpcGUID; /* unused parameter */
 
85
    (void)lplpDSC; /* unused parameter */
 
86
    (void)pUnkOuter; /* unused parameter */
 
87
    return E_NOTIMPL;
 
88
}
 
89
 
 
90
static HRESULT WINAPI DummyDirectSoundCaptureEnumerateW(LPDSENUMCALLBACKW lpDSCEnumCallback, LPVOID lpContext)
 
91
{
 
92
    (void)lpDSCEnumCallback; /* unused parameter */
 
93
    (void)lpContext; /* unused parameter */
 
94
    return E_NOTIMPL;
 
95
}
 
96
 
 
97
static HRESULT WINAPI DummyDirectSoundCaptureEnumerateA(LPDSENUMCALLBACKA lpDSCEnumCallback, LPVOID lpContext)
 
98
{
 
99
    (void)lpDSCEnumCallback; /* unused parameter */
 
100
    (void)lpContext; /* unused parameter */
 
101
    return E_NOTIMPL;
 
102
}
 
103
 
 
104
 
 
105
void PaWinDs_InitializeDSoundEntryPoints(void)
 
106
{
 
107
    paWinDsDSoundEntryPoints.hInstance_ = LoadLibrary("dsound.dll");
 
108
    if( paWinDsDSoundEntryPoints.hInstance_ != NULL )
 
109
    {
 
110
        paWinDsDSoundEntryPoints.DllGetClassObject =
 
111
                (HRESULT (WINAPI *)(REFCLSID, REFIID , LPVOID *))
 
112
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DllGetClassObject" );
 
113
        if( paWinDsDSoundEntryPoints.DllGetClassObject == NULL )
 
114
            paWinDsDSoundEntryPoints.DllGetClassObject = DummyDllGetClassObject;
 
115
 
 
116
        paWinDsDSoundEntryPoints.DirectSoundCreate =
 
117
                (HRESULT (WINAPI *)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN))
 
118
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCreate" );
 
119
        if( paWinDsDSoundEntryPoints.DirectSoundCreate == NULL )
 
120
            paWinDsDSoundEntryPoints.DirectSoundCreate = DummyDirectSoundCreate;
 
121
 
 
122
        paWinDsDSoundEntryPoints.DirectSoundEnumerateW =
 
123
                (HRESULT (WINAPI *)(LPDSENUMCALLBACKW, LPVOID))
 
124
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundEnumerateW" );
 
125
        if( paWinDsDSoundEntryPoints.DirectSoundEnumerateW == NULL )
 
126
            paWinDsDSoundEntryPoints.DirectSoundEnumerateW = DummyDirectSoundEnumerateW;
 
127
 
 
128
        paWinDsDSoundEntryPoints.DirectSoundEnumerateA =
 
129
                (HRESULT (WINAPI *)(LPDSENUMCALLBACKA, LPVOID))
 
130
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundEnumerateA" );
 
131
        if( paWinDsDSoundEntryPoints.DirectSoundEnumerateA == NULL )
 
132
            paWinDsDSoundEntryPoints.DirectSoundEnumerateA = DummyDirectSoundEnumerateA;
 
133
 
 
134
        paWinDsDSoundEntryPoints.DirectSoundCaptureCreate =
 
135
                (HRESULT (WINAPI *)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN))
 
136
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCaptureCreate" );
 
137
        if( paWinDsDSoundEntryPoints.DirectSoundCaptureCreate == NULL )
 
138
            paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = DummyDirectSoundCaptureCreate;
 
139
 
 
140
        paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW =
 
141
                (HRESULT (WINAPI *)(LPDSENUMCALLBACKW, LPVOID))
 
142
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCaptureEnumerateW" );
 
143
        if( paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW == NULL )
 
144
            paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = DummyDirectSoundCaptureEnumerateW;
 
145
 
 
146
        paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA =
 
147
                (HRESULT (WINAPI *)(LPDSENUMCALLBACKA, LPVOID))
 
148
                GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCaptureEnumerateA" );
 
149
        if( paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA == NULL )
 
150
            paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = DummyDirectSoundCaptureEnumerateA;
 
151
    }
 
152
    else
 
153
    {
 
154
        /* initialize with dummy entry points to make live easy when ds isn't present */
 
155
        paWinDsDSoundEntryPoints.DirectSoundCreate = DummyDirectSoundCreate;
 
156
        paWinDsDSoundEntryPoints.DirectSoundEnumerateW = DummyDirectSoundEnumerateW;
 
157
        paWinDsDSoundEntryPoints.DirectSoundEnumerateA = DummyDirectSoundEnumerateA;
 
158
        paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = DummyDirectSoundCaptureCreate;
 
159
        paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = DummyDirectSoundCaptureEnumerateW;
 
160
        paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = DummyDirectSoundCaptureEnumerateA;
 
161
    }
 
162
}
 
163
 
 
164
 
 
165
void PaWinDs_TerminateDSoundEntryPoints(void)
 
166
{
 
167
    if( paWinDsDSoundEntryPoints.hInstance_ != NULL )
 
168
    {
 
169
        /* ensure that we crash reliably if the entry points arent initialised */
 
170
        paWinDsDSoundEntryPoints.DirectSoundCreate = 0;
 
171
        paWinDsDSoundEntryPoints.DirectSoundEnumerateW = 0;
 
172
        paWinDsDSoundEntryPoints.DirectSoundEnumerateA = 0;
 
173
        paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = 0;
 
174
        paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = 0;
 
175
        paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = 0;
 
176
 
 
177
        FreeLibrary( paWinDsDSoundEntryPoints.hInstance_ );
 
178
        paWinDsDSoundEntryPoints.hInstance_ = NULL;
 
179
    }
 
180
}
 
 
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