|
1 /* |
|
2 * Copyright (c) 2010 Ixonos Plc. |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the "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 * Ixonos Plc |
|
14 * |
|
15 * Description: |
|
16 * H.263 Decoder API implementation class. |
|
17 * |
|
18 */ |
|
19 |
|
20 |
|
21 |
|
22 // INCLUDE FILES |
|
23 #include "vde.h" |
|
24 #include "h263dapi.h" |
|
25 #include "vedh263dimp.h" |
|
26 /* MVE */ |
|
27 #include "MPEG4Transcoder.h" |
|
28 |
|
29 // An assertion macro wrapper to clean up the code a bit |
|
30 #define DLASSERT(x) __ASSERT_DEBUG(x, User::Panic(_L("CVedH263Dec"), EInternalAssertionFailure)) |
|
31 |
|
32 |
|
33 // ============================ MEMBER FUNCTIONS =============================== |
|
34 |
|
35 // ----------------------------------------------------------------------------- |
|
36 // CVedH263DecImp::CVedH263DecImp |
|
37 // C++ default constructor can NOT contain any code, that |
|
38 // might leave. |
|
39 // ----------------------------------------------------------------------------- |
|
40 // |
|
41 CVedH263DecImp::CVedH263DecImp(TSize aFrameSize, TInt /*aNumReferencePictures*/) |
|
42 { |
|
43 iH263dHandle = 0; |
|
44 iFrameSize = aFrameSize; |
|
45 } |
|
46 |
|
47 // ----------------------------------------------------------------------------- |
|
48 // CVedH263DecImp::ConstructL |
|
49 // Symbian 2nd phase constructor can leave. |
|
50 // ----------------------------------------------------------------------------- |
|
51 // |
|
52 void CVedH263DecImp::ConstructL() |
|
53 { |
|
54 |
|
55 // Open a decoder instance |
|
56 h263dOpen_t openParams; |
|
57 openParams.numPreallocatedFrames = 1; |
|
58 openParams.lumWidth = iFrameSize.iWidth; |
|
59 openParams.lumHeight = iFrameSize.iHeight; |
|
60 |
|
61 openParams.fRPS = 0; // reference picture selection mode not in use |
|
62 openParams.numReferenceFrames = 1; |
|
63 openParams.freeSpace = 0; |
|
64 iH263dHandle = h263dOpen(&openParams); |
|
65 if (!iH263dHandle) |
|
66 User::Leave(KErrGeneral); |
|
67 |
|
68 } |
|
69 |
|
70 // ----------------------------------------------------------------------------- |
|
71 // CVedH263DecImp::NewL |
|
72 // Two-phased constructor. |
|
73 // ----------------------------------------------------------------------------- |
|
74 // |
|
75 EXPORT_C CVedH263Dec* CVedH263Dec::NewL(const TSize aFrameSize, const TInt aNumReferencePictures) |
|
76 { |
|
77 |
|
78 CVedH263DecImp* self = new (ELeave) CVedH263DecImp(aFrameSize, aNumReferencePictures); |
|
79 CleanupStack::PushL(self); |
|
80 self->ConstructL(); |
|
81 CleanupStack::Pop(self); |
|
82 return self; |
|
83 } |
|
84 |
|
85 |
|
86 // ----------------------------------------------------------------------------- |
|
87 // CVedH263DecImp::~CVedH263DecImp |
|
88 // Destructor |
|
89 // ----------------------------------------------------------------------------- |
|
90 // |
|
91 CVedH263DecImp::~CVedH263DecImp() |
|
92 { |
|
93 // Close the decoder instance if one has been opened |
|
94 if (iH263dHandle) |
|
95 { |
|
96 h263dClose(iH263dHandle); |
|
97 iH263dHandle = 0; |
|
98 } |
|
99 |
|
100 } |
|
101 |
|
102 |
|
103 // ----------------------------------------------------------------------------- |
|
104 // CVedH263DecImp::SetRendererL |
|
105 // Sets the renderer object which the decoder will use |
|
106 // ----------------------------------------------------------------------------- |
|
107 // |
|
108 void CVedH263DecImp::SetRendererL(MVideoRenderer* /*aRenderer*/) |
|
109 { |
|
110 // this method is not supported any more |
|
111 User::Panic(_L("CVedH263Dec - method not supported"), EInternalAssertionFailure); |
|
112 } |
|
113 |
|
114 // ----------------------------------------------------------------------------- |
|
115 // CVedH263DecImp::SetPostFilterL |
|
116 // Sets the post-filter to be used in decoding |
|
117 // ----------------------------------------------------------------------------- |
|
118 // |
|
119 void CVedH263DecImp::SetPostFilterL(const TPostFilter /*aFilter*/) |
|
120 { |
|
121 // this method is not supported any more |
|
122 User::Panic(_L("CVedH263Dec - method not supported"), EInternalAssertionFailure); |
|
123 } |
|
124 |
|
125 // ----------------------------------------------------------------------------- |
|
126 // CVedH263DecImp::GetYUVFrame |
|
127 // Retrieves the YUV buffer for the last decoded frame |
|
128 // ----------------------------------------------------------------------------- |
|
129 // |
|
130 TUint8* CVedH263DecImp::GetYUVFrame() |
|
131 { |
|
132 // this method is not supported any more |
|
133 User::Panic(_L("CVedH263Dec - method not supported"), EInternalAssertionFailure); |
|
134 |
|
135 return NULL; |
|
136 |
|
137 } |
|
138 |
|
139 // ----------------------------------------------------------------------------- |
|
140 // CVedH263DecImp::GetYUVBuffers |
|
141 // Retrieves the Y/U/V buffers for the given frame |
|
142 // ----------------------------------------------------------------------------- |
|
143 // |
|
144 TInt CVedH263DecImp::GetYUVBuffers(const TAny */*aFrame*/, TUint8*& /*aYFrame*/, TUint8*& /*aUFrame*/, |
|
145 TUint8*& /*aVFrame*/, TSize& /*aFrameSize*/) |
|
146 { |
|
147 // this method is not supported any more |
|
148 User::Panic(_L("CVedH263Dec - method not supported"), EInternalAssertionFailure); |
|
149 return KErrNotSupported; |
|
150 } |
|
151 |
|
152 // ----------------------------------------------------------------------------- |
|
153 // CVedH263DecImp::DecodeFrameL |
|
154 // Decodes / Transcodes a compressed frame |
|
155 // ----------------------------------------------------------------------------- |
|
156 // |
|
157 |
|
158 void CVedH263DecImp::DecodeFrameL(const TPtrC8& aInputBuffer, TPtr8& aOutputBuffer, |
|
159 TBool& aFirstFrame, TInt& aBytesDecoded, |
|
160 vdeDecodeParamters_t *aDecoderInfo) |
|
161 { |
|
162 |
|
163 TInt error = KErrNone; |
|
164 |
|
165 TInt bytesProduced = 0; |
|
166 |
|
167 error = h263dDecodeFrameL(iH263dHandle, (TAny*)aInputBuffer.Ptr(), (TAny*)aOutputBuffer.Ptr(), |
|
168 aInputBuffer.Length(), (TUint8*)&aFirstFrame, &aBytesDecoded, |
|
169 &bytesProduced, aDecoderInfo); |
|
170 |
|
171 aOutputBuffer.SetLength(bytesProduced); |
|
172 |
|
173 switch ( error ) |
|
174 { |
|
175 case H263D_ERROR_NO_INTRA: |
|
176 { |
|
177 User::Leave( EDecoderNoIntra ); |
|
178 } |
|
179 break; |
|
180 case H263D_OK_BUT_FRAME_USELESS: |
|
181 case H263D_OK_BUT_BIT_ERROR: |
|
182 { |
|
183 User::Leave( EDecoderCorrupted ); |
|
184 } |
|
185 break; |
|
186 case H263D_OK: |
|
187 case H263D_OK_EOS: |
|
188 case H263D_OK_BUT_NOT_CODED: |
|
189 { |
|
190 // ok |
|
191 return; |
|
192 } |
|
193 default: |
|
194 { |
|
195 User::Leave(EDecoderFailure); |
|
196 } |
|
197 break; |
|
198 |
|
199 } |
|
200 |
|
201 } |
|
202 |
|
203 |
|
204 // ----------------------------------------------------------------------------- |
|
205 // CVedH263DecImp::DecodeFrameL |
|
206 // Decodes / Transcodes a compressed frame |
|
207 // ----------------------------------------------------------------------------- |
|
208 // |
|
209 void CVedH263DecImp::DecodeFrameL(const TPtrC8& /*aInputBuffer*/, TPtr8& /*aOutputBuffer*/, |
|
210 TBool& /*aFirstFrame*/, TInt& /*aBytesDecoded*/, |
|
211 const TColorEffect /*aColorEffect*/, |
|
212 const TBool /*aGetDecodedFrame*/, TInt /*aFrameOperation*/, |
|
213 TInt* /*aTrP*/, TInt* /*aTrD*/, TInt /*aVideoClipNumber*/, TInt /*aSMSpeed*/, |
|
214 TInt /*aDataFormat*/) |
|
215 { |
|
216 // this method is not supported any more |
|
217 User::Panic(_L("CVedH263Dec - method not supported"), EInternalAssertionFailure); |
|
218 } |
|
219 |
|
220 // ----------------------------------------------------------------------------- |
|
221 // CVedH263DecImp::DecodeFrameL |
|
222 // Decodes a compressed frame |
|
223 // ----------------------------------------------------------------------------- |
|
224 // |
|
225 void CVedH263DecImp::DecodeFrameL(const TPtrC8& /*aInputBuffer*/, TBool& /*aFirstFrame*/, TInt& /*aBytesDecoded*/, |
|
226 TInt /*aDataFormat*/) |
|
227 { |
|
228 // this method is not supported any more |
|
229 User::Panic(_L("CVedH263Dec - method not supported"), EInternalAssertionFailure); |
|
230 } |
|
231 |
|
232 // ----------------------------------------------------------------------------- |
|
233 // CVedH263DecImp::FrameValid |
|
234 // Checks if the given frame is valid |
|
235 // ----------------------------------------------------------------------------- |
|
236 // |
|
237 TBool CVedH263DecImp::FrameValid(const TAny */*aFrame*/) |
|
238 { |
|
239 return ETrue; |
|
240 |
|
241 } |
|
242 |
|
243 // ----------------------------------------------------------------------------- |
|
244 // CVedH263DecImp::FrameRendered |
|
245 // Returns the given frame to the decoder after it is no longer needed |
|
246 // ----------------------------------------------------------------------------- |
|
247 // |
|
248 void CVedH263DecImp::FrameRendered(const TAny */*aFrame*/) |
|
249 { |
|
250 // Return frame to the decoder rendering subsystem |
|
251 } |
|
252 |
|
253 // ----------------------------------------------------------------------------- |
|
254 // CVedH263DecImp::CheckVOSHeaderL |
|
255 // Check and change the VOS header (resync marker bit needs to be set) |
|
256 // ----------------------------------------------------------------------------- |
|
257 // |
|
258 TBool CVedH263DecImp::CheckVOSHeaderL(TPtrC8& aInputBuffer) |
|
259 { |
|
260 return vdtChangeVosHeaderRegResyncL(aInputBuffer, aInputBuffer.Length()); |
|
261 |
|
262 } |
|
263 |
|
264 |
|
265 |
|
266 |
|
267 |
|
268 // End of file |
|
269 |
|
270 |
|
271 |