hxvamain.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 ***** */
- // This module implements primitive functionality of Helix Video Arch
- // required by the Decoder.
- #include "hxvamain.h"
- extern HXVA_FID_TYPES hxva_fid_type[HXVA_NUM_IMAGE_FORMATS + 1] = {
- TYPEENUM(HXVA_FID_UNDEFINED, HXVA_FID_TYPE_UNDEFINED)
- // Init
- TYPEENUM(HXVA_FID_RGB24, HXVA_FID_TYPE_RGB)
- // R 8 bits G 8 Bits B 8 Bits
- TYPEENUM(HXVA_FID_YUV12,HXVA_FID_TYPE_YUV)
- // I420
- // Y plane, U plane Quarter size V plane Quarter size
- TYPEENUM(HXVA_FID_IYUV,HXVA_FID_TYPE_YUV)
- // Same as I420
- TYPEENUM(HXVA_FID_YUY2,HXVA_FID_TYPE_YUV)
- TYPEENUM(HXVA_FID_H261,HXVA_FID_TYPE_DATA)
- TYPEENUM(HXVA_FID_H263,HXVA_FID_TYPE_DATA)
- TYPEENUM(HXVA_FID_H263PLUS,HXVA_FID_TYPE_DATA)
- };
- HXVA_Image_Format::HXVA_Image_Format()
- {
- this->Clear();
- }
- void
- HXVA_Image_Format::Clear()
- {
- fid = HXVA_FID_UNDEFINED;
- dimensions.width = dimensions.height = 0;
- Complete();
- yuv_info.y_pitch = yuv_info.u_pitch = yuv_info.v_pitch = 0;
- }
- void
- HXVA_Image_Format::Complete()
- {
- // rectangle = dimensions;
- rectangle.location.x = rectangle.location.y = 0;
- rectangle.dimensions.height = dimensions.height;
- rectangle.dimensions.width = dimensions.width;
- if (HXVA_FID_Is_YUV(fid))
- {
- // these are defaults.. set actual if different.
- yuv_info.y_pitch = dimensions.width;
- yuv_info.u_pitch = yuv_info.v_pitch = dimensions.width / 2;
- }
- }
- HXVA_Image::HXVA_Image()
- :
- format()
- {
- size = 0;
- sequence_number = 0;
- yuv_info.y_plane = yuv_info.u_plane = yuv_info.v_plane = NULL;
- }
- void
- HXVA_Image::SetBasePointer(void *base)
- {
- if (HXVA_FID_Is_YUV(format.fid))
- {
- if (base)
- {
- yuv_info.y_plane = (UINT8*)base;
- if (format.fid == HXVA_FID_YUV12 || format.fid == HXVA_FID_IYUV)
- {
- yuv_info.u_plane = yuv_info.y_plane +
- (format.yuv_info.y_pitch * format.rectangle.dimensions.height);
- yuv_info.v_plane = yuv_info.u_plane +
- (format.yuv_info.u_pitch * format.rectangle.dimensions.height / 2);
- }
- }
- else
- {
-
- yuv_info.y_plane = yuv_info.u_plane = yuv_info.v_plane = 0;
- }
- }
- else
- data = (UINT8*)base;
- }
- UINT8*
- HXVA_Image::GetBasePointer(void) const
- {
- if (HXVA_FID_Is_YUV(format.fid))
- return yuv_info.y_plane;
- return data;
- }