VirtualBox

source: vbox/trunk/src/VBox/Main/src-client/AudioSnifferInterface.cpp@ 55437

Last change on this file since 55437 was 53442, checked in by vboxsync, 10 years ago

PDM Audio: Branch -> trunk.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 8.3 KB
Line 
1/* $Id: AudioSnifferInterface.cpp 53442 2014-12-04 13:49:43Z vboxsync $ */
2/** @file
3 * VirtualBox Driver Interface to Audio Sniffer device
4 */
5
6/*
7 * Copyright (C) 2006-2012 Oracle Corporation
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
18#include "AudioSnifferInterface.h"
19#include "ConsoleImpl.h"
20#include "ConsoleVRDPServer.h"
21
22#include "Logging.h"
23
24#include <VBox/vmm/pdmdrv.h>
25#include <VBox/RemoteDesktop/VRDE.h>
26#include <VBox/vmm/cfgm.h>
27#include <VBox/err.h>
28
29#ifdef LOG_GROUP
30 #undef LOG_GROUP
31#endif
32#define LOG_GROUP LOG_GROUP_DEV_AUDIO
33#include <VBox/log.h>
34
35//
36// defines
37//
38
39
40//
41// globals
42//
43
44
45/**
46 * Audio Sniffer driver instance data.
47 *
48 * @extends PDMIAUDIOSNIFFERCONNECTOR
49 */
50typedef struct DRVAUDIOSNIFFER
51{
52 /** Pointer to the Audio Sniffer object. */
53 AudioSniffer *pAudioSniffer;
54
55 /** Pointer to the driver instance structure. */
56 PPDMDRVINS pDrvIns;
57
58 /** Pointer to the AudioSniffer port interface of the driver/device above us. */
59 PPDMIAUDIOSNIFFERPORT pUpPort;
60 /** Our VMM device connector interface. */
61 PDMIAUDIOSNIFFERCONNECTOR Connector;
62
63} DRVAUDIOSNIFFER, *PDRVAUDIOSNIFFER;
64
65/** Converts PDMIAUDIOSNIFFERCONNECTOR pointer to a DRVAUDIOSNIFFER pointer. */
66#define PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface) RT_FROM_MEMBER(pInterface, DRVAUDIOSNIFFER, Connector)
67
68
69//
70// constructor / destructor
71//
72AudioSniffer::AudioSniffer(Console *console)
73 : mpDrv(NULL),
74 mParent(console)
75{
76}
77
78AudioSniffer::~AudioSniffer()
79{
80 if (mpDrv)
81 {
82 mpDrv->pAudioSniffer = NULL;
83 mpDrv = NULL;
84 }
85}
86
87PPDMIAUDIOSNIFFERPORT AudioSniffer::getAudioSnifferPort()
88{
89 Assert(mpDrv);
90 return mpDrv->pUpPort;
91}
92
93
94
95//
96// public methods
97//
98
99DECLCALLBACK(void) iface_AudioSamplesOut (PPDMIAUDIOSNIFFERCONNECTOR pInterface, void *pvSamples, uint32_t cSamples,
100 int samplesPerSec, int nChannels, int bitsPerSample, bool fUnsigned)
101{
102 PDRVAUDIOSNIFFER pDrv = PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface);
103
104 /*
105 * Just call the VRDP server with the data.
106 */
107 VRDEAUDIOFORMAT format = VRDE_AUDIO_FMT_MAKE(samplesPerSec, nChannels, bitsPerSample, !fUnsigned);
108 pDrv->pAudioSniffer->getParent()->i_consoleVRDPServer()->SendAudioSamples(pvSamples, cSamples, format);
109}
110
111DECLCALLBACK(void) iface_AudioVolumeOut (PPDMIAUDIOSNIFFERCONNECTOR pInterface, uint16_t left, uint16_t right)
112{
113 PDRVAUDIOSNIFFER pDrv = PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface);
114
115 /*
116 * Just call the VRDP server with the data.
117 */
118 pDrv->pAudioSniffer->getParent()->i_consoleVRDPServer()->SendAudioVolume(left, right);
119}
120
121DECLCALLBACK(int) iface_AudioInputBegin (PPDMIAUDIOSNIFFERCONNECTOR pInterface,
122 void **ppvUserCtx,
123 void *pvContext,
124 uint32_t cSamples,
125 uint32_t iSampleHz,
126 uint32_t cChannels,
127 uint32_t cBits)
128{
129 PDRVAUDIOSNIFFER pDrv = PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface);
130
131 return pDrv->pAudioSniffer->getParent()->i_consoleVRDPServer()->SendAudioInputBegin(ppvUserCtx,
132 pvContext,
133 cSamples,
134 iSampleHz,
135 cChannels,
136 cBits);
137}
138
139DECLCALLBACK(void) iface_AudioInputEnd (PPDMIAUDIOSNIFFERCONNECTOR pInterface,
140 void *pvUserCtx)
141{
142 PDRVAUDIOSNIFFER pDrv = PDMIAUDIOSNIFFERCONNECTOR_2_MAINAUDIOSNIFFER(pInterface);
143
144 pDrv->pAudioSniffer->getParent()->i_consoleVRDPServer()->SendAudioInputEnd(pvUserCtx);
145}
146
147
148/**
149 * @interface_method_impl{PDMIBASE,pfnQueryInterface}
150 */
151DECLCALLBACK(void *) AudioSniffer::drvQueryInterface(PPDMIBASE pInterface, const char *pszIID)
152{
153 PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
154 PDRVAUDIOSNIFFER pDrv = PDMINS_2_DATA(pDrvIns, PDRVAUDIOSNIFFER);
155 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
156 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIAUDIOSNIFFERCONNECTOR, &pDrv->Connector);
157 return NULL;
158}
159
160
161/**
162 * Destruct a Audio Sniffer driver instance.
163 *
164 * @returns VBox status.
165 * @param pDrvIns The driver instance data.
166 */
167DECLCALLBACK(void) AudioSniffer::drvDestruct(PPDMDRVINS pDrvIns)
168{
169 PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
170 PDRVAUDIOSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVAUDIOSNIFFER);
171 LogFlow(("AudioSniffer::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
172
173 if (pThis->pAudioSniffer)
174 {
175 pThis->pAudioSniffer->mpDrv = NULL;
176 }
177}
178
179
180/**
181 * Construct a AudioSniffer driver instance.
182 *
183 * @copydoc FNPDMDRVCONSTRUCT
184 */
185DECLCALLBACK(int) AudioSniffer::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
186{
187 PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
188 PDRVAUDIOSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVAUDIOSNIFFER);
189
190 LogFlow(("AudioSniffer::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
191
192 /*
193 * Validate configuration.
194 */
195 if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
196 return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
197 AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
198 ("Configuration error: Not possible to attach anything to this driver!\n"),
199 VERR_PDM_DRVINS_NO_ATTACH);
200
201 /*
202 * IBase.
203 */
204 pDrvIns->IBase.pfnQueryInterface = AudioSniffer::drvQueryInterface;
205
206 /* Audio Sniffer connector. */
207 pThis->Connector.pfnAudioSamplesOut = iface_AudioSamplesOut;
208 pThis->Connector.pfnAudioVolumeOut = iface_AudioVolumeOut;
209 pThis->Connector.pfnAudioInputBegin = iface_AudioInputBegin;
210 pThis->Connector.pfnAudioInputEnd = iface_AudioInputEnd;
211
212 /*
213 * Get the Audio Sniffer Port interface of the above driver/device.
214 */
215 pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIAUDIOSNIFFERPORT);
216 if (!pThis->pUpPort)
217 {
218 AssertMsgFailed(("Configuration error: No Audio Sniffer port interface above!\n"));
219 return VERR_PDM_MISSING_INTERFACE_ABOVE;
220 }
221
222 /*
223 * Get the Console object pointer and update the mpDrv member.
224 */
225 void *pv;
226 int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
227 if (RT_FAILURE(rc))
228 {
229 AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
230 return rc;
231 }
232 pThis->pAudioSniffer = (AudioSniffer *)pv; /** @todo Check this cast! */
233 pThis->pAudioSniffer->mpDrv = pThis;
234
235 return VINF_SUCCESS;
236}
237
238
239/**
240 * Audio Sniffer driver registration record.
241 */
242const PDMDRVREG AudioSniffer::DrvReg =
243{
244 /* u32Version */
245 PDM_DRVREG_VERSION,
246 /* szName */
247 "MainAudioSniffer",
248 /* szRCMod */
249 "",
250 /* szR0Mod */
251 "",
252 /* pszDescription */
253 "Main Audio Sniffer driver (Main as in the API).",
254 /* fFlags */
255 PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
256 /* fClass. */
257 PDM_DRVREG_CLASS_AUDIO,
258 /* cMaxInstances */
259 ~0U,
260 /* cbInstance */
261 sizeof(DRVAUDIOSNIFFER),
262 /* pfnConstruct */
263 AudioSniffer::drvConstruct,
264 /* pfnDestruct */
265 AudioSniffer::drvDestruct,
266 /* pfnRelocate */
267 NULL,
268 /* pfnIOCtl */
269 NULL,
270 /* pfnPowerOn */
271 NULL,
272 /* pfnReset */
273 NULL,
274 /* pfnSuspend */
275 NULL,
276 /* pfnResume */
277 NULL,
278 /* pfnAttach */
279 NULL,
280 /* pfnDetach */
281 NULL,
282 /* pfnPowerOff */
283 NULL,
284 /* pfnSoftReset */
285 NULL,
286 /* u32EndVersion */
287 PDM_DRVREG_VERSION
288};
289/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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