hxh263d.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxh263d.cpp,v 1.2.40.1 2004/07/09 01:56:11 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #define INITGUID
- #include "hxtypes.h"
- #include "ihxpckts.h"
- #include "hxvamain.h"
- #include "h263vdec.h"
- #include "hxcinst.h"
- #include "hvviddec.h"
- //#define DEBUG_WRITEIO
- #ifdef DEBUG_WRITEIO // writes the input packets and output yuv
- #include "iowriter.h"
- YUVFileWriter *writer = 0;
- #endif
- HX_RESULT HXEXPORT
- HXVtoYUV420Init(HXV10_INIT *pHxvInit, void **decoderState)
- {
- HX_RESULT result;
- HX_RESULT ps = HXR_OK;
- VvVideoDecoderFilter * decFlt=0;
- HXVA_Image_Format in_format;
- HXVA_Image_Format out_format;
- if (!pHxvInit || !decoderState)
- return HXR_POINTER;
- in_format.fid = HXVA_FID_H263PLUS;
- in_format.dimensions.width = pHxvInit->pels;
- in_format.dimensions.height = pHxvInit->lines;
- in_format.Complete();
- out_format.fid = HXVA_FID_YUV12;
- out_format.dimensions = in_format.dimensions;
- out_format.Complete();
-
- // CreateInstance
- decFlt = VvVideoDecoderFilter::CreateInstance(ps);
- if(!decFlt || ps!=HXR_OK)
- return HXR_OUTOFMEMORY;
-
- ps = HXR_OK;
- ps = decFlt->StartStreaming(in_format, out_format);
- if(ps != HXR_OK)
- {
- decFlt->StopStreaming();
- delete decFlt;
- return HXR_INVALID_PARAMETER;
- }
- *decoderState = decFlt;
- #ifdef DEBUG_WRITEIO
- BOOL failed;
- if(!writer)
- {
- writer = new YUVFileWriter("c:\out.yuv", out_format, failed);
- if(!failed)
- writer->Open();
- }
- #endif
- return HXR_OK;
- }
- HX_RESULT HXEXPORT
- HXVtoYUV420Free(void *global)
- {
- ((VvVideoDecoderFilter *)(global))->StopStreaming();
- delete (VvVideoDecoderFilter *)(global);
- #ifdef DEBUG_WRITEIO
- if(writer)
- {
- writer->Close();
- delete writer;
- }
- #endif
- return HXR_OK;
- }
- HX_RESULT HXEXPORT
- HXVtoYUV420Transform
- (
- UCHAR *pH263Packets,
- UCHAR *pDecodedFrameBuffer,
- void *pInputParams,
- void *pOutputParams,
- void *global
- )
- {
- HX_RESULT result;
- HX_RESULT ps;
- HXVA_Image src;
- HXVA_Image dst;
- INT32 temporal_offset = 0;
- ULONG32 flags = 0;
- ULONG32 notes = 0;
- VvVideoDecoderFilter *decFlt;
-
- decFlt = (VvVideoDecoderFilter *)(global);
- H263DecoderInParams * pH263In = (H263DecoderInParams *)pInputParams;
- H263DecoderOutParams * pH263Out = (H263DecoderOutParams *)pOutputParams;
- if (decFlt==0 || !pH263In || !pH263Out)
- return HXR_POINTER;
- pH263Out->numFrames = 0; // Until we learn otherwise
- pH263Out->notes = 0;
- pH263Out->timestamp = 0;
-
- src.format = decFlt->m_input_format;
- src.size = pH263In->dataLength;
- src.sequence_number = pH263In->timestamp; // presentation time
- src.SetBasePointer(pH263Packets);
- dst.format = decFlt->m_output_format;
- dst.size = 0;
- dst.sequence_number = src.sequence_number;
- dst.SetBasePointer(pDecodedFrameBuffer);
- ps = decFlt->Receive( src, dst);
- if(ps!=HXR_OK)
- {
- pH263Out->numFrames = 1;
- pH263Out->notes |= RV_DECODE_DONT_DRAW;
- pH263Out->width = decFlt->m_output_format.dimensions.width;
- pH263Out->height = decFlt->m_output_format.dimensions.height;
- if(dst.size == 0)
- {
- dst.size = (pH263Out->width * pH263Out->height);
- dst.size += (dst.size >> 1);
- }
- // Assign the presentation time for the display frame
- pH263Out->timestamp = dst.sequence_number++;
- return HXR_OK;
- }
- // Assign the number of frames out
- pH263Out->numFrames = 1;
- pH263Out->notes = 0;
- pH263Out->width = decFlt->m_output_format.dimensions.width;
- pH263Out->height = decFlt->m_output_format.dimensions.height;
- if(dst.size == 0)
- {
- dst.size = (pH263Out->width * pH263Out->height);
- dst.size += (dst.size >> 1);
- }
- // Assign the presentation time for the display frame
- pH263Out->timestamp = dst.sequence_number++;
- #ifdef DEBUG_WRITEIO
- if (writer && !(notes & RV_DECODE_DONT_DRAW))
- {
- writer->Write(dst);
- }
- #endif
- return HXR_OK;
- }