|
1 /* |
|
2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the License "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 #include "shared_sound.h" |
|
19 #include "variant_sound.h" |
|
20 |
|
21 void TimerCallback(TAny* aData) |
|
22 { |
|
23 DDriverSyborgSoundScPdd * soundscpdd = (DDriverSyborgSoundScPdd*) aData; |
|
24 |
|
25 soundscpdd->Callback(soundscpdd->iTransferArray[0].iTransferID, KErrNone, soundscpdd->iTransferArray[0].iNumBytes); |
|
26 |
|
27 } |
|
28 |
|
29 |
|
30 DDriverSyborgSoundScPdd::DDriverSyborgSoundScPdd() : iTimer(TimerCallback,this) |
|
31 { |
|
32 |
|
33 } |
|
34 |
|
35 DDriverSyborgSoundScPdd::~DDriverSyborgSoundScPdd() |
|
36 { |
|
37 iTimer.Cancel(); |
|
38 } |
|
39 |
|
40 |
|
41 TInt DDriverSyborgSoundScPdd::DoCreate() |
|
42 { |
|
43 |
|
44 SetCaps(); |
|
45 |
|
46 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::DoCreate TxPdd"); |
|
47 |
|
48 return KErrNone; |
|
49 } |
|
50 |
|
51 void DDriverSyborgSoundScPdd::GetChunkCreateInfo(TChunkCreateInfo& aChunkCreateInfo) |
|
52 { |
|
53 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::GetChunkCreateInfo TxPdd"); |
|
54 |
|
55 aChunkCreateInfo.iType = TChunkCreateInfo::ESharedKernelMultiple; |
|
56 aChunkCreateInfo.iMapAttr = EMapAttrFullyBlocking; // No caching |
|
57 aChunkCreateInfo.iOwnsMemory = ETrue; // Using RAM pages |
|
58 aChunkCreateInfo.iDestroyedDfc = NULL; // No chunk destroy DFC |
|
59 } |
|
60 |
|
61 void DDriverSyborgSoundScPdd::Caps(TDes8& aCapsBuf) const |
|
62 { |
|
63 |
|
64 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::Caps TxPdd"); |
|
65 |
|
66 // Fill the structure with zeros in case it is a newer version than we know about |
|
67 aCapsBuf.FillZ(aCapsBuf.MaxLength()); |
|
68 |
|
69 // And copy the capabilities into the packaged structure |
|
70 TPtrC8 ptr((const TUint8*) &iCaps, sizeof(iCaps)); |
|
71 aCapsBuf = ptr.Left(Min(ptr.Length(), aCapsBuf.MaxLength())); |
|
72 } |
|
73 |
|
74 TInt DDriverSyborgSoundScPdd::SetConfig(const TDesC8& aConfigBuf) |
|
75 { |
|
76 |
|
77 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::SetConfig TxPdd"); |
|
78 |
|
79 // Read the new configuration from the LDD |
|
80 TCurrentSoundFormatV02 config; |
|
81 TPtr8 ptr((TUint8*) &config, sizeof(config)); |
|
82 Kern::InfoCopy(ptr, aConfigBuf); |
|
83 |
|
84 iConfig = config; |
|
85 |
|
86 return KErrNone; |
|
87 } |
|
88 |
|
89 |
|
90 TInt DDriverSyborgSoundScPdd::SetVolume(TInt aVolume) |
|
91 { |
|
92 |
|
93 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::Setvolume TxPdd"); |
|
94 |
|
95 return KErrNone; |
|
96 } |
|
97 |
|
98 |
|
99 TInt DDriverSyborgSoundScPdd::StartTransfer() |
|
100 { |
|
101 |
|
102 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::starttransfer TxPdd"); |
|
103 |
|
104 //Prepare for transfer |
|
105 return KErrNone; |
|
106 |
|
107 } |
|
108 |
|
109 TInt DDriverSyborgSoundScPdd::CalculateBufferTime(TInt aNumBytes) |
|
110 { |
|
111 |
|
112 TUint samplerate=0; |
|
113 |
|
114 // Let the compiler perform an integer division of rates |
|
115 switch(iConfig.iRate) |
|
116 { |
|
117 case ESoundRate7350Hz: samplerate = 7350; break; |
|
118 case ESoundRate8000Hz: samplerate = 8000; break; |
|
119 case ESoundRate8820Hz: samplerate = 8820; break; |
|
120 case ESoundRate9600Hz: samplerate = 9600; break; |
|
121 case ESoundRate11025Hz: samplerate = 11025; break; |
|
122 case ESoundRate12000Hz: samplerate = 12000; break; |
|
123 case ESoundRate14700Hz: samplerate = 14700; break; |
|
124 case ESoundRate16000Hz: samplerate = 16000; break; |
|
125 case ESoundRate22050Hz: samplerate = 22050; break; |
|
126 case ESoundRate24000Hz: samplerate = 24000; break; |
|
127 case ESoundRate29400Hz: samplerate = 29400; break; |
|
128 case ESoundRate32000Hz: samplerate = 32000; break; |
|
129 case ESoundRate44100Hz: samplerate = 44100; break; |
|
130 case ESoundRate48000Hz: samplerate = 48000; break; |
|
131 } |
|
132 |
|
133 |
|
134 // integer division by number of channels |
|
135 aNumBytes /= iConfig.iChannels; |
|
136 |
|
137 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::iChannels =%d", iConfig.iChannels); |
|
138 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::iEncoding =%d", iConfig.iEncoding); |
|
139 |
|
140 // integer division by bytes per sample |
|
141 switch(iConfig.iEncoding) |
|
142 { |
|
143 case ESoundEncoding8BitPCM: break; |
|
144 case ESoundEncoding16BitPCM: aNumBytes /= 2; break; |
|
145 case ESoundEncoding24BitPCM: aNumBytes /= 3; break; |
|
146 } |
|
147 |
|
148 return (aNumBytes * 1000) / samplerate; //return time in milliseconds |
|
149 |
|
150 |
|
151 } |
|
152 |
|
153 TInt DDriverSyborgSoundScPdd::TransferData(TUint aTransferID, TLinAddr aLinAddr, TPhysAddr /*aPhysAddr*/, TInt aNumBytes) |
|
154 { |
|
155 |
|
156 //function wil get called multiple times while transfer is in progress therefore keep fifo queue of requests |
|
157 TTransferArrayInfo transfer; |
|
158 |
|
159 transfer.iTransferID = aTransferID; |
|
160 transfer.iLinAddr = aLinAddr; |
|
161 transfer.iNumBytes = aNumBytes; |
|
162 |
|
163 //calculate the amount of time required to play/record buffer |
|
164 TInt buffer_play_time = CalculateBufferTime(aNumBytes); |
|
165 TInt timerticks = NKern::TimerTicks(buffer_play_time); |
|
166 transfer.iPlayTime = timerticks; |
|
167 |
|
168 iTransferArray.Append(transfer); |
|
169 |
|
170 //Timer will callback when correct time has elapsed, will return KErrInUse if transfer |
|
171 //already active, this is ok becuase will be started again in callback |
|
172 TInt err = iTimer.OneShot(timerticks, ETrue); |
|
173 |
|
174 |
|
175 return KErrNone; |
|
176 } |
|
177 |
|
178 void DDriverSyborgSoundScPdd::StopTransfer() |
|
179 { |
|
180 // Stop transfer |
|
181 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::stoptransfer TxPdd"); |
|
182 |
|
183 //If timer is currently active then cancel it and call back buffer |
|
184 if(iTimer.Cancel()) |
|
185 { |
|
186 Callback(iTransferArray[0].iTransferID, KErrNone, iTransferArray[0].iNumBytes); |
|
187 } |
|
188 |
|
189 |
|
190 } |
|
191 |
|
192 |
|
193 TInt DDriverSyborgSoundScPdd::PauseTransfer() |
|
194 { |
|
195 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::pausetransfer TxPdd"); |
|
196 //Pause Transfer |
|
197 |
|
198 return KErrNone; |
|
199 } |
|
200 |
|
201 |
|
202 TInt DDriverSyborgSoundScPdd::ResumeTransfer() |
|
203 { |
|
204 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::resumetransfer TxPdd"); |
|
205 //Resume Transfer |
|
206 |
|
207 return KErrNone; |
|
208 } |
|
209 |
|
210 TInt DDriverSyborgSoundScPdd::PowerUp() |
|
211 { |
|
212 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::PowerUp TxPdd"); |
|
213 return KErrNone; |
|
214 } |
|
215 |
|
216 void DDriverSyborgSoundScPdd::PowerDown() |
|
217 { |
|
218 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::Powerdown TxPdd"); |
|
219 } |
|
220 |
|
221 TInt DDriverSyborgSoundScPdd::CustomConfig(TInt /*aFunction*/,TAny* /*aParam*/) |
|
222 { |
|
223 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::customconfig TxPdd"); |
|
224 return KErrNotSupported; |
|
225 } |
|
226 |
|
227 |
|
228 void DDriverSyborgSoundScPdd::Callback(TUint aTransferID, TInt aTransferResult, TInt aBytesTransferred) |
|
229 { |
|
230 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::playcallback TxPdd"); |
|
231 //Callback when Transfer completes or is stopped |
|
232 |
|
233 iTransferArray.Remove(0); |
|
234 |
|
235 if(iUnitType == KSoundScTxUnit0) |
|
236 { |
|
237 Ldd()->PlayCallback(aTransferID, aTransferResult, aBytesTransferred); |
|
238 } |
|
239 else if(iUnitType == KSoundScRxUnit0) |
|
240 { |
|
241 Ldd()->RecordCallback(aTransferID, aTransferResult, aBytesTransferred); |
|
242 } |
|
243 |
|
244 if( iTransferArray.Count()>0) |
|
245 { |
|
246 iTimer.OneShot(iTransferArray[0].iPlayTime, ETrue); |
|
247 } |
|
248 |
|
249 } |
|
250 |
|
251 TDfcQue*DDriverSyborgSoundScPdd::DfcQ() |
|
252 { |
|
253 return iPhysicalDevice->iDfcQ; |
|
254 } |
|
255 |
|
256 |
|
257 TInt DDriverSyborgSoundScPdd::MaxTransferLen() const |
|
258 { |
|
259 |
|
260 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::MaxTransferLen TxPdd"); |
|
261 |
|
262 TInt maxlength = 200*1024; |
|
263 return maxlength; |
|
264 } |
|
265 |
|
266 |
|
267 void DDriverSyborgSoundScPdd::SetCaps() |
|
268 { |
|
269 SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::SetCaps TxPdd"); |
|
270 |
|
271 if(iUnitType == KSoundScTxUnit0) |
|
272 { |
|
273 // The data transfer direction for this unit is play |
|
274 iCaps.iDirection = ESoundDirPlayback; |
|
275 } |
|
276 else if(iUnitType == KSoundScTxUnit0) |
|
277 { |
|
278 // The data transfer direction for this unit is play |
|
279 iCaps.iDirection = ESoundDirRecord; |
|
280 } |
|
281 |
|
282 // This unit supports both mono and stereo |
|
283 iCaps.iChannels = (KSoundMonoChannel | KSoundStereoChannel); |
|
284 |
|
285 // This unit supports only some of the sample rates offered by Symbian OS |
|
286 iCaps.iRates = (KSoundRate8000Hz | KSoundRate11025Hz | KSoundRate12000Hz | KSoundRate16000Hz | |
|
287 KSoundRate22050Hz | KSoundRate24000Hz | KSoundRate32000Hz | KSoundRate44100Hz | |
|
288 KSoundRate48000Hz); |
|
289 |
|
290 // This unit only supports 16bit PCM encoding |
|
291 iCaps.iEncodings = KSoundEncoding16BitPCM; |
|
292 |
|
293 // This unit only supports interleaved data format when playing stereo; that is, a PCM data |
|
294 // stream where the left and right channel samples are interleaved as L-R-L-R-L-R etc. |
|
295 iCaps.iDataFormats = KSoundDataFormatInterleaved; |
|
296 |
|
297 // The iRequestMinSize member is named badly. It is actually the value of which the length samples |
|
298 // must be a multiple of. ie. The sample length % iRequestMinSize must == 0. This value must always |
|
299 // be a power of 2 |
|
300 iCaps.iRequestMinSize = 4; |
|
301 |
|
302 // The logarithm to base 2 of the alignment required for request arguments. DMA requests must be |
|
303 // aligned to a 32 bit boundary |
|
304 iCaps.iRequestAlignment = 2; |
|
305 |
|
306 // This unit is not capable of detecting changes in hardware configuration |
|
307 iCaps.iHwConfigNotificationSupport = EFalse; |
|
308 } |
|
309 |
|
310 |
|
311 |
|
312 |