|
sl@0
|
1 |
// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
2 |
// All rights reserved.
|
|
sl@0
|
3 |
// This component and the accompanying materials are made available
|
|
sl@0
|
4 |
// under the terms of "Eclipse Public License v1.0"
|
|
sl@0
|
5 |
// which accompanies this distribution, and is available
|
|
sl@0
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
7 |
//
|
|
sl@0
|
8 |
// Initial Contributors:
|
|
sl@0
|
9 |
// Nokia Corporation - initial contribution.
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// Contributors:
|
|
sl@0
|
12 |
//
|
|
sl@0
|
13 |
// Description:
|
|
sl@0
|
14 |
//
|
|
sl@0
|
15 |
|
|
sl@0
|
16 |
#include "MmfBtPcm16ToPcm16HwDevice.h"
|
|
sl@0
|
17 |
#include "../../MmfBtFileDependencyUtil.h"
|
|
sl@0
|
18 |
|
|
sl@0
|
19 |
/**
|
|
sl@0
|
20 |
*
|
|
sl@0
|
21 |
* Returns the created hw device for passing audio through audio.
|
|
sl@0
|
22 |
* for the wins implementation this would always be pcm16 although
|
|
sl@0
|
23 |
* this is effectively a null hw device that will pass any datatype through
|
|
sl@0
|
24 |
* @return "CMMFPcm16ToPcm16HwDevice"
|
|
sl@0
|
25 |
*
|
|
sl@0
|
26 |
*/
|
|
sl@0
|
27 |
CMMFPcm16ToPcm16HwDevice* CMMFPcm16ToPcm16HwDevice::NewL()
|
|
sl@0
|
28 |
{
|
|
sl@0
|
29 |
CMMFPcm16ToPcm16HwDevice* self = new (ELeave) CMMFPcm16ToPcm16HwDevice();
|
|
sl@0
|
30 |
CleanupStack::PushL(self);
|
|
sl@0
|
31 |
self->ConstructL();
|
|
sl@0
|
32 |
CleanupStack::Pop(self);
|
|
sl@0
|
33 |
return self;
|
|
sl@0
|
34 |
}
|
|
sl@0
|
35 |
|
|
sl@0
|
36 |
/**
|
|
sl@0
|
37 |
*
|
|
sl@0
|
38 |
* Second phase constructor.
|
|
sl@0
|
39 |
*
|
|
sl@0
|
40 |
*/
|
|
sl@0
|
41 |
void CMMFPcm16ToPcm16HwDevice::ConstructL()
|
|
sl@0
|
42 |
{
|
|
sl@0
|
43 |
iCodec = new (ELeave) CMMFPcm16ToPcm16Codec();
|
|
sl@0
|
44 |
static_cast<CMMFPcm16ToPcm16Codec*>(iCodec)->SetHwDevice(this);
|
|
sl@0
|
45 |
}
|
|
sl@0
|
46 |
|
|
sl@0
|
47 |
/**
|
|
sl@0
|
48 |
*
|
|
sl@0
|
49 |
* ~CMMFPcm16ToPcm16HwDevice
|
|
sl@0
|
50 |
*
|
|
sl@0
|
51 |
**/
|
|
sl@0
|
52 |
CMMFPcm16ToPcm16HwDevice::~CMMFPcm16ToPcm16HwDevice()
|
|
sl@0
|
53 |
{
|
|
sl@0
|
54 |
}
|
|
sl@0
|
55 |
|
|
sl@0
|
56 |
/**
|
|
sl@0
|
57 |
*
|
|
sl@0
|
58 |
* Codec
|
|
sl@0
|
59 |
* @return CMMFSwCodec&
|
|
sl@0
|
60 |
**/
|
|
sl@0
|
61 |
CMMFSwCodec& CMMFPcm16ToPcm16HwDevice::Codec()
|
|
sl@0
|
62 |
{
|
|
sl@0
|
63 |
return *iCodec;
|
|
sl@0
|
64 |
}
|
|
sl@0
|
65 |
|
|
sl@0
|
66 |
|
|
sl@0
|
67 |
|
|
sl@0
|
68 |
|
|
sl@0
|
69 |
|
|
sl@0
|
70 |
/**
|
|
sl@0
|
71 |
*
|
|
sl@0
|
72 |
* ProcessL
|
|
sl@0
|
73 |
* @param aSrc Source Buffer
|
|
sl@0
|
74 |
* @param aDest Destintion Buffer
|
|
sl@0
|
75 |
* @return CMMFSwCodec::TCodecProcessResult
|
|
sl@0
|
76 |
*
|
|
sl@0
|
77 |
**/
|
|
sl@0
|
78 |
CMMFSwCodec::TCodecProcessResult CMMFPcm16ToPcm16Codec::ProcessL(const CMMFBuffer& /*aSource*/, CMMFBuffer& /*aDest*/)
|
|
sl@0
|
79 |
{//no processing required for null codec
|
|
sl@0
|
80 |
User::Leave(KErrNotSupported);
|
|
sl@0
|
81 |
//to keep compiler happy
|
|
sl@0
|
82 |
TCodecProcessResult result;
|
|
sl@0
|
83 |
result.iCodecProcessStatus = TCodecProcessResult::EEndOfData;
|
|
sl@0
|
84 |
result.iSrcBytesProcessed = 0;
|
|
sl@0
|
85 |
result.iDstBytesAdded = 0;
|
|
sl@0
|
86 |
return result;
|
|
sl@0
|
87 |
};
|
|
sl@0
|
88 |
|
|
sl@0
|
89 |
|
|
sl@0
|
90 |
TUint CMMFPcm16ToPcm16Codec::SourceBufferSize()
|
|
sl@0
|
91 |
{
|
|
sl@0
|
92 |
if (!iBufferSize)
|
|
sl@0
|
93 |
iBufferSize = iHwDevice->CalculateBufferSize();
|
|
sl@0
|
94 |
return iBufferSize;
|
|
sl@0
|
95 |
}
|
|
sl@0
|
96 |
|
|
sl@0
|
97 |
|
|
sl@0
|
98 |
TUint CMMFPcm16ToPcm16Codec::SinkBufferSize()
|
|
sl@0
|
99 |
{
|
|
sl@0
|
100 |
if (!iBufferSize)
|
|
sl@0
|
101 |
iBufferSize = iHwDevice->CalculateBufferSize();
|
|
sl@0
|
102 |
return iBufferSize;
|
|
sl@0
|
103 |
}
|
|
sl@0
|
104 |
|
|
sl@0
|
105 |
void CMMFPcm16ToPcm16Codec::SetHwDevice(CMMFPcm16ToPcm16HwDevice* aHwDevice)
|
|
sl@0
|
106 |
{
|
|
sl@0
|
107 |
iHwDevice = aHwDevice;
|
|
sl@0
|
108 |
}
|
|
sl@0
|
109 |
|
|
sl@0
|
110 |
TUint CMMFPcm16ToPcm16HwDevice::CalculateBufferSize()
|
|
sl@0
|
111 |
{
|
|
sl@0
|
112 |
TUint sampleRate = 0;
|
|
sl@0
|
113 |
TUint channels = 0;
|
|
sl@0
|
114 |
TInt useBufferOfSize = 0;
|
|
sl@0
|
115 |
TInt minBufferSize = 0;
|
|
sl@0
|
116 |
TInt maxBufferSize = 0;
|
|
sl@0
|
117 |
|
|
sl@0
|
118 |
if (iPlayCustomInterface)
|
|
sl@0
|
119 |
{
|
|
sl@0
|
120 |
sampleRate = iSampleRate;
|
|
sl@0
|
121 |
channels = iChannels;
|
|
sl@0
|
122 |
/* if ((sampleRate) && (channels))
|
|
sl@0
|
123 |
{
|
|
sl@0
|
124 |
RMdaDevSound::TSoundFormatsSupportedBuf playFormatsSupported;
|
|
sl@0
|
125 |
if (iDataPath->Device().Handle())
|
|
sl@0
|
126 |
{
|
|
sl@0
|
127 |
iDataPath->Device().PlayFormatsSupported(playFormatsSupported);
|
|
sl@0
|
128 |
minBufferSize = playFormatsSupported().iMinBufferSize;
|
|
sl@0
|
129 |
maxBufferSize = playFormatsSupported().iMaxBufferSize;
|
|
sl@0
|
130 |
}
|
|
sl@0
|
131 |
else
|
|
sl@0
|
132 |
{//try to get handle
|
|
sl@0
|
133 |
TInt err = iDataPath->Device().Open();
|
|
sl@0
|
134 |
if (err == KErrNone)
|
|
sl@0
|
135 |
{
|
|
sl@0
|
136 |
iDataPath->Device().PlayFormatsSupported(playFormatsSupported);
|
|
sl@0
|
137 |
minBufferSize = playFormatsSupported().iMinBufferSize;
|
|
sl@0
|
138 |
maxBufferSize = playFormatsSupported().iMaxBufferSize;
|
|
sl@0
|
139 |
iDataPath->Device().Close();
|
|
sl@0
|
140 |
}
|
|
sl@0
|
141 |
}
|
|
sl@0
|
142 |
}
|
|
sl@0
|
143 |
*/ }
|
|
sl@0
|
144 |
if ((iRecordCustomInterface) && (!sampleRate) && (!channels))
|
|
sl@0
|
145 |
{ //must be record
|
|
sl@0
|
146 |
sampleRate = iSampleRate;
|
|
sl@0
|
147 |
channels = iChannels;
|
|
sl@0
|
148 |
/* if ((sampleRate) && (channels))
|
|
sl@0
|
149 |
{//get max and min supported buffer sizes supported by hw
|
|
sl@0
|
150 |
RMdaDevSound::TSoundFormatsSupportedBuf recordFormatsSupported;
|
|
sl@0
|
151 |
if (iDataPath->Device().Handle())
|
|
sl@0
|
152 |
{
|
|
sl@0
|
153 |
iDataPath->Device().RecordFormatsSupported(recordFormatsSupported);
|
|
sl@0
|
154 |
minBufferSize = recordFormatsSupported().iMinBufferSize;
|
|
sl@0
|
155 |
maxBufferSize = recordFormatsSupported().iMaxBufferSize;
|
|
sl@0
|
156 |
}
|
|
sl@0
|
157 |
else
|
|
sl@0
|
158 |
{//try to get handle
|
|
sl@0
|
159 |
TInt err = iDataPath->Device().Open();
|
|
sl@0
|
160 |
if (err == KErrNone)
|
|
sl@0
|
161 |
{
|
|
sl@0
|
162 |
iDataPath->Device().RecordFormatsSupported(recordFormatsSupported);
|
|
sl@0
|
163 |
minBufferSize = recordFormatsSupported().iMinBufferSize;
|
|
sl@0
|
164 |
maxBufferSize = recordFormatsSupported().iMaxBufferSize;
|
|
sl@0
|
165 |
iDataPath->Device().Close();
|
|
sl@0
|
166 |
}
|
|
sl@0
|
167 |
}
|
|
sl@0
|
168 |
}
|
|
sl@0
|
169 |
*/ }
|
|
sl@0
|
170 |
// else convert so not applicable
|
|
sl@0
|
171 |
|
|
sl@0
|
172 |
if ((sampleRate) && (channels))
|
|
sl@0
|
173 |
{
|
|
sl@0
|
174 |
// Buffer size = (SampleRate * BytesPerSample * Channels) / 4
|
|
sl@0
|
175 |
useBufferOfSize = ((sampleRate * 2 * channels)/KDevSoundFramesPerSecond + (KDevSoundDeltaFrameSize-1)) &~ (KDevSoundDeltaFrameSize-1);
|
|
sl@0
|
176 |
//clamp buffer to desired limits
|
|
sl@0
|
177 |
if(useBufferOfSize < KDevSoundMinFrameSize)
|
|
sl@0
|
178 |
useBufferOfSize = KDevSoundMinFrameSize;
|
|
sl@0
|
179 |
else if(useBufferOfSize > KDevSoundMaxFrameSize)
|
|
sl@0
|
180 |
useBufferOfSize = KDevSoundMaxFrameSize;
|
|
sl@0
|
181 |
|
|
sl@0
|
182 |
//clamp buffer to limits of hardware
|
|
sl@0
|
183 |
if (maxBufferSize)
|
|
sl@0
|
184 |
{//buffer size limits have been set by sound driver
|
|
sl@0
|
185 |
//check we are within the limits
|
|
sl@0
|
186 |
if(useBufferOfSize < minBufferSize)
|
|
sl@0
|
187 |
useBufferOfSize = minBufferSize;
|
|
sl@0
|
188 |
else if(useBufferOfSize > maxBufferSize)
|
|
sl@0
|
189 |
useBufferOfSize = maxBufferSize;
|
|
sl@0
|
190 |
}
|
|
sl@0
|
191 |
}
|
|
sl@0
|
192 |
else
|
|
sl@0
|
193 |
{
|
|
sl@0
|
194 |
useBufferOfSize = KPCM16ToPCM16BufferSize;
|
|
sl@0
|
195 |
}
|
|
sl@0
|
196 |
|
|
sl@0
|
197 |
return useBufferOfSize;
|
|
sl@0
|
198 |
}
|