source: cmedia/trunk/Vsd/AudioIF/vsdmap.c@ 577

Last change on this file since 577 was 354, checked in by stevenhl, 18 years ago

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1/***********************START OF SPECIFICATIONS ****************
2
3*
4* SOURCE FILE NAME: VSDMAP.C
5*
6* DESCRIPTIVE NAME: Ring 3 Amp/Mixer AUDIO Interface Driver
7*
8* COPYRIGHT: IBM Confidential
9* Copyright (c) IBM Corporation 1991
10* All Rights Reserved
11*
12* STATUS: OS/2 Release 2.0
13*
14* FUNCTION: This file contains a mapping from the old VSD layer to the
15* new VSD layer. It will be called by older MCDs. We maintain
16* this for compatibility purposes.
17*
18* NOTES:
19*
20* DATE DEVELOPER CHANGE DESCRIPTION
21* 07/28/93 Linden deCarmo File created
22*
23************************** END OF SPECIFICATIONS **************************/
24
25#define INCL_NOPMAPI
26#define INCL_DOS
27#define INCL_ERRORS
28#define INCL_RESOURCES
29#define INCL_AUDIO_VSD
30
31
32
33#include <os2.h>
34#include <os2me.h>
35#include <mcd.h>
36#include <audio.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <hhpheap.h>
41
42#include <vsdcmds.h>
43#include <vsdaud.h>
44
45
46
47/************************ START OF SPECIFICATIONS **************************
48*
49* SUBROUTINE NAME: AUDIOIFIDriverEntry
50*
51* FUNCTION: Ring 3 entry point for AUDIOIF calls from Amp/Mixer
52*
53* INPUT: sMessage - request id
54* lParam1 - function specific value
55* lParam2 - function specific value
56* lParam3 - identifies caller (1 = Amp/Mixer, 0 = Audio MCI)
57*
58* OUTPUT: returns VSDERR_SUCCESS if successful, otherwise it returns an
59* MCI error code.
60
61*
62* OS/2 CALLS: None
63*
64* C CALLS: None
65*
66* Notes: This entry only maps known callers (i.e. MIDIMCD, Audio MCD etc.)
67* interfaces. If anyone calls another unsupported interface, they
68* are in deep trouble.
69*
70*************************** END OF SPECIFICATIONS *************************/
71
72ULONG APIENTRY AUDIOIFDriverEntry(PMCI_AMP_INSTANCE pInstance,
73 ULONG sMessage,
74 ULONG lParam1,
75 ULONG lParam2,
76 ULONG lParam3)
77
78 {
79 LONG lError = VSDERR_SUCCESS;
80
81 if ( sMessage == MCI_SET )
82 {
83 lError = WaveMap( pInstance, lParam1, lParam2 );
84 }
85
86// switch(sMessage)
87// {
88// /*---------------------------------------------------------*
89// * STATUS message received
90// *---------------------------------------------------------*/
91//
92//// case MCI_STATUS:
93//// lError = StatusMap(pInstance, lParam2, lParam3);
94////
95//// break;
96// /*---------------------------------------------------------*
97// * SET message received
98// *---------------------------------------------------------*/
99//
100// case MCI_SET:
101// /*-------------------------------------------------*
102// * Map request to manipulate audio data types
103// *-------------------------------------------------*/
104//
105// lError = WaveMap( pInstance,
106// lParam1,
107// lParam2 );
108// break;
109// /*---------------------------------------------------------*
110// * GETDEVCAPS message received
111// *---------------------------------------------------------*/
112//
113//// case MCI_GETDEVCAPS:
114//// lError = CapsMap( pInstance,
115//// lParam1,
116//// (ULONG *) lParam2,
117//// lParam3 );
118//
119// break;
120// /*---------------------------------------------------------*
121// * MCI_SEQ_STATUS_TEMPO message received
122// *---------------------------------------------------------*/
123//
124//// case MCI_SEQ_STATUS_TEMPO:
125//// lError = VSDERR_UNSUPPORTED_FUNCTION;
126////
127//// break;
128//
129// }
130
131 return(lError);
132 }
133
134
135
136
137/************************ START OF SPECIFICATIONS **************************
138*
139* SUBROUTINE NAME: Wave_Driver
140*
141* FUNCTION: Sets waveform attributes (Sample rate, bits per sample, etc)
142*
143* INPUT: pInstance - pointer to Amp Instance structure
144* lParam1 - pointer to MCI_WAVE_SET_PARMS structure
145*
146* OUTPUT: returns VSDERR_SUCCESS if successful, otherwise it returns an
147* MCI error code.
148*
149* OS/2 CALLS: DosDevIOCtl(), DosOpen(), DosClose(), DosQueryFileInfo()
150* DosAllocSharedMem(), DosFreeMem()
151*
152* C CALLS: None.
153*
154*
155*************************** END OF SPECIFICATIONS *************************/
156
157LONG WaveMap( PMCI_AMP_INSTANCE pInstance,
158 ULONG lParam1,
159 ULONG lParam2)
160
161{
162 LONG lError = VSDERR_SUCCESS;
163
164// ULONG ulResourceDecrease;
165// ULONG ulResourceChange = FALSE;
166// ULONG ulOldResources = pInstance->ulResourcesUsed;
167// ULONG ulOldClass = pInstance->ulClass;
168// ULONG ulMatch;
169
170
171// MCI_AMP_INSTANCE TempAmp;
172
173// MCIDRV_CHANGERESOURCE_PARMS mciChangeResource;
174
175 LPMCI_WAVE_SET_PARMS prWaveSet;
176
177 VSD_AUDIODATATYPE_PARMS AudioDatatype;
178
179
180 prWaveSet = (LPMCI_WAVE_SET_PARMS) lParam2;
181
182
183 AudioDatatype.ulDataType = prWaveSet->wFormatTag;
184 AudioDatatype.ulBitsPerSample = prWaveSet->wBitsPerSample;
185 AudioDatatype.ulSamplingRate = prWaveSet->nSamplesPerSec;
186 AudioDatatype.ulChannels = prWaveSet->nChannels;
187 AudioDatatype.ulFlags = lParam1;
188
189 lError = VSDSetCommand( pInstance, VSD_SETDATATYPE, &AudioDatatype );
190
191 pInstance->sBestFitMode = DATATYPE_WAVEFORM;
192 pInstance->ulBestFitBPS = AudioDatatype.ulBitsPerSample;
193 pInstance->ulBestFitChan = AudioDatatype.ulChannels;
194 pInstance->ulBestFitRate = AudioDatatype.ulSamplingRate;
195
196
197 return(lError);
198
199} /* VSDWave */
200
201
202
203
204///************************ START OF SPECIFICATIONS **************************
205//*
206//* SUBROUTINE NAME: Status_Driver()
207//*
208//* FUNCTION: Sends audio status IOCTL request to PDD
209//*
210//* INPUT: pInstance - pointer to AMP/Mixer instance structure
211//* lParam1 - flag indicating what info to return
212//* lParam2 - pointer to MCI_STATUS_PARMS structure
213//* lParam3 - indicates who made the request (0 - Audio MCD, 1 = AMP)
214//*
215//* OUTPUT: returns VSDERR_SUCCESS if successful, otherwise it returns an
216//* MCI error code.
217//*
218//* OS/2 CALLS: DosDevIOCtl()
219//*
220//* C CALLS: None
221//*
222//* INTERNAL CALLS: MCI_Error()
223//*
224//*************************** END OF SPECIFICATIONS *************************/
225//
226//LONG StatusMap( PMCI_AMP_INSTANCE pInstance,
227// ULONG lParam2,
228// ULONG lParam3)
229//{
230//
231// LONG lError = VSDERR_SUCCESS;
232// LPMCI_STATUS_PARMS prStatusParms;
233//
234//
235// prStatusParms = (LPMCI_STATUS_PARMS) lParam2;
236//
237// /*-----------------------------------------------------------------*
238// * Transfer requested status info to Status Parms structure
239// *-----------------------------------------------------------------*/
240//
241// switch(prStatusParms->dwItem)
242// {
243//
244// case MCI_STATUS_READY:
245// if ( pInstance->ulActive )
246// {
247// prStatusParms->dwReturn = MCI_TRUE;
248// }
249// else
250// {
251// prStatusParms->dwReturn = MCI_FALSE;
252// }
253// lError = MAKEULONG(lError, MCI_TRUE_FALSE_RETURN);
254// break;
255// case MCI_STATUS_CURRENT_TRACK:
256// // return some bogus number to remain compatible
257// // with the redmondians
258// prStatusParms->dwReturn = 1;
259// lError = MAKEULONG(lError, MCI_INTEGER_RETURNED);
260// break;
261//
262// default:
263// lError = VSDERR_INVALID_ITEM_FLAG;
264// prStatusParms->dwReturn = 0L;
265// lError = MAKEULONG(lError, MCI_INTEGER_RETURNED);
266// break;
267// }
268//
269//
270// return(lError);
271//
272///* StatusMap */
273
274// removed because all MCI drivers were updated.
275
276/************************ START OF SPECIFICATIONS **************************
277*
278* SUBROUTINE NAME: DevCaps_Driver
279*
280* FUNCTION: Returns device capabilities
281*
282* INPUT: lParam1 - type of capability
283* lParam2 - pointer to LONG variable to receive capability
284*
285* OUTPUT: returns VSDERR_SUCCESS if successful, otherwise it returns an
286* MCI error code.
287*
288* OS/2 CALLS: None.
289*
290* C CALLS: None.
291*
292* INTERNAL CALLS: None.
293*
294*************************** END OF SPECIFICATIONS *************************/
295
296//LONG CapsMap( PMCI_AMP_INSTANCE pInstance,
297// ULONG lParam1,
298// ULONG *lParam2,
299// ULONG ulCaller )
300//{
301// LONG lError = VSDERR_SUCCESS;
302// MCI_AMP_INSTANCE TempAmp;
303// ULONG ulrc;
304// PMCI_WAVE_GETDEVCAPS_PARMS pAudioCaps;
305//
306//
307//
308//
309// if ( lParam1 == MCI_GETDEVCAPS_CAN_RECORD )
310// {
311// *lParam2 = pInstance->ulCanRecord;
312// ulrc = VSDERR_SUCCESS;
313// }
314// else if (lParam1 == MCI_GETDEVCAPS_WAVE_FORMAT )
315// {
316// pAudioCaps = ( PMCI_WAVE_GETDEVCAPS_PARMS ) *lParam2;
317//
318// memmove ( &TempAmp, pInstance, sizeof( MCI_AMP_INSTANCE ) );
319//
320// TempAmp.lSRate = ( LONG ) pAudioCaps->ulSamplesPerSec;
321// TempAmp.sMode = ( SHORT ) pAudioCaps->ulFormatTag;
322// TempAmp.lBitsPerSRate = ( LONG ) pAudioCaps->ulBitsPerSample;
323// TempAmp.sChannels = ( LONG ) pAudioCaps->ulChannels;
324//
325// if ( pAudioCaps->ulFormatMode == MCI_PLAY )
326// TempAmp.ulOperation = OPERATION_PLAY;
327// else
328// TempAmp.ulOperation = OPERATION_RECORD;
329//
330// /*-----------------------------------------------------------------*
331// * Return the resource class and number of resource units for the
332// * mode that the caller has specified.
333// *-----------------------------------------------------------------*/
334//
335// ulrc = GetClassInformation( &TempAmp );
336//
337// pAudioCaps->ulReturn = !ulrc;
338//
339//
340// } /* wave format request */
341//
342// return ( MAKEULONG(ulrc, MCI_TRUE_FALSE_RETURN) );
343//
344//} /* DevCapsMap */
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