hxh263d.cpp
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 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
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (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.
- *
- * 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;
- }