VirtualBox

source: vbox/trunk/src/VBox/Main/AudioSnifferInterface.cpp@ 28770

Last change on this file since 28770 was 27607, checked in by vboxsync, 15 years ago

Main: remove templates for 'weak' com pointers which do nothing anyway

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  • Property svn:keywords set to Author Date Id Revision
File size: 6.8 KB
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1/* $Id: AudioSnifferInterface.cpp 27607 2010-03-22 18:13:07Z vboxsync $ */
2/** @file
3 * VirtualBox Driver Interface to Audio Sniffer device
4 */
5
6/*
7 * Copyright (C) 2006-2010 Sun Microsystems, Inc.
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22#include "AudioSnifferInterface.h"
23#include "ConsoleImpl.h"
24#include "ConsoleVRDPServer.h"
25
26#include "Logging.h"
27
28#include <VBox/pdmdrv.h>
29#include <VBox/vrdpapi.h>
30#include <VBox/cfgm.h>
31#include <VBox/err.h>
32
33//
34// defines
35//
36
37
38//
39// globals
40//
41
42
43/**
44 * Audio Sniffer driver instance data.
45 *
46 * @extends PDMIAUDIOSNIFFERCONNECTOR
47 */
48typedef struct DRVAUDIOSNIFFER
49{
50 /** Pointer to the Audio Sniffer object. */
51 AudioSniffer *pAudioSniffer;
52
53 /** Pointer to the driver instance structure. */
54 PPDMDRVINS pDrvIns;
55
56 /** Pointer to the AudioSniffer port interface of the driver/device above us. */
57 PPDMIAUDIOSNIFFERPORT pUpPort;
58 /** Our VMM device connector interface. */
59 PDMIAUDIOSNIFFERCONNECTOR Connector;
60
61} DRVAUDIOSNIFFER, *PDRVAUDIOSNIFFER;
62
63/** Converts PDMIAUDIOSNIFFERCONNECTOR pointer to a DRVAUDIOSNIFFER pointer. */
64#define PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface) RT_FROM_MEMBER(pInterface, DRVAUDIOSNIFFER, Connector)
65
66
67//
68// constructor / destructor
69//
70AudioSniffer::AudioSniffer(Console *console)
71 : mpDrv(NULL),
72 mParent(console)
73{
74}
75
76AudioSniffer::~AudioSniffer()
77{
78 if (mpDrv)
79 {
80 mpDrv->pAudioSniffer = NULL;
81 mpDrv = NULL;
82 }
83}
84
85PPDMIAUDIOSNIFFERPORT AudioSniffer::getAudioSnifferPort()
86{
87 Assert(mpDrv);
88 return mpDrv->pUpPort;
89}
90
91
92
93//
94// public methods
95//
96
97DECLCALLBACK(void) iface_AudioSamplesOut (PPDMIAUDIOSNIFFERCONNECTOR pInterface, void *pvSamples, uint32_t cSamples,
98 int samplesPerSec, int nChannels, int bitsPerSample, bool fUnsigned)
99{
100 PDRVAUDIOSNIFFER pDrv = PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface);
101
102 /*
103 * Just call the VRDP server with the data.
104 */
105 VRDPAUDIOFORMAT format = VRDP_AUDIO_FMT_MAKE(samplesPerSec, nChannels, bitsPerSample, !fUnsigned);
106 pDrv->pAudioSniffer->getParent()->consoleVRDPServer()->SendAudioSamples(pvSamples, cSamples, format);
107}
108
109DECLCALLBACK(void) iface_AudioVolumeOut (PPDMIAUDIOSNIFFERCONNECTOR pInterface, uint16_t left, uint16_t right)
110{
111 PDRVAUDIOSNIFFER pDrv = PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface);
112
113 /*
114 * Just call the VRDP server with the data.
115 */
116 pDrv->pAudioSniffer->getParent()->consoleVRDPServer()->SendAudioVolume(left, right);
117}
118
119
120/**
121 * @interface_method_impl{PDMIBASE,pfnQueryInterface}
122 */
123DECLCALLBACK(void *) AudioSniffer::drvQueryInterface(PPDMIBASE pInterface, const char *pszIID)
124{
125 PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
126 PDRVAUDIOSNIFFER pDrv = PDMINS_2_DATA(pDrvIns, PDRVAUDIOSNIFFER);
127 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
128 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIAUDIOSNIFFERCONNECTOR, &pDrv->Connector);
129 return NULL;
130}
131
132
133/**
134 * Destruct a Audio Sniffer driver instance.
135 *
136 * @returns VBox status.
137 * @param pDrvIns The driver instance data.
138 */
139DECLCALLBACK(void) AudioSniffer::drvDestruct(PPDMDRVINS pDrvIns)
140{
141 PDRVAUDIOSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVAUDIOSNIFFER);
142 LogFlow(("AudioSniffer::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
143 PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
144
145 if (pThis->pAudioSniffer)
146 {
147 pThis->pAudioSniffer->mpDrv = NULL;
148 }
149}
150
151
152/**
153 * Construct a AudioSniffer driver instance.
154 *
155 * @copydoc FNPDMDRVCONSTRUCT
156 */
157DECLCALLBACK(int) AudioSniffer::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
158{
159 PDRVAUDIOSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVAUDIOSNIFFER);
160
161 LogFlow(("AudioSniffer::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
162 PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
163
164 /*
165 * Validate configuration.
166 */
167 if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
168 return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
169 AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
170 ("Configuration error: Not possible to attach anything to this driver!\n"),
171 VERR_PDM_DRVINS_NO_ATTACH);
172
173 /*
174 * IBase.
175 */
176 pDrvIns->IBase.pfnQueryInterface = AudioSniffer::drvQueryInterface;
177
178 /* Audio Sniffer connector. */
179 pThis->Connector.pfnAudioSamplesOut = iface_AudioSamplesOut;
180 pThis->Connector.pfnAudioVolumeOut = iface_AudioVolumeOut;
181
182 /*
183 * Get the Audio Sniffer Port interface of the above driver/device.
184 */
185 pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIAUDIOSNIFFERPORT);
186 if (!pThis->pUpPort)
187 {
188 AssertMsgFailed(("Configuration error: No Audio Sniffer port interface above!\n"));
189 return VERR_PDM_MISSING_INTERFACE_ABOVE;
190 }
191
192 /*
193 * Get the Console object pointer and update the mpDrv member.
194 */
195 void *pv;
196 int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
197 if (RT_FAILURE(rc))
198 {
199 AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
200 return rc;
201 }
202 pThis->pAudioSniffer = (AudioSniffer *)pv; /** @todo Check this cast! */
203 pThis->pAudioSniffer->mpDrv = pThis;
204
205 return VINF_SUCCESS;
206}
207
208
209/**
210 * Audio Sniffer driver registration record.
211 */
212const PDMDRVREG AudioSniffer::DrvReg =
213{
214 /* u32Version */
215 PDM_DRVREG_VERSION,
216 /* szName */
217 "MainAudioSniffer",
218 /* szRCMod */
219 "",
220 /* szR0Mod */
221 "",
222 /* pszDescription */
223 "Main Audio Sniffer driver (Main as in the API).",
224 /* fFlags */
225 PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
226 /* fClass. */
227 PDM_DRVREG_CLASS_AUDIO,
228 /* cMaxInstances */
229 ~0,
230 /* cbInstance */
231 sizeof(DRVAUDIOSNIFFER),
232 /* pfnConstruct */
233 AudioSniffer::drvConstruct,
234 /* pfnDestruct */
235 AudioSniffer::drvDestruct,
236 /* pfnRelocate */
237 NULL,
238 /* pfnIOCtl */
239 NULL,
240 /* pfnPowerOn */
241 NULL,
242 /* pfnReset */
243 NULL,
244 /* pfnSuspend */
245 NULL,
246 /* pfnResume */
247 NULL,
248 /* pfnAttach */
249 NULL,
250 /* pfnDetach */
251 NULL,
252 /* pfnPowerOff */
253 NULL,
254 /* pfnSoftReset */
255 NULL,
256 /* u32EndVersion */
257 PDM_DRVREG_VERSION
258};
259/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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