infmt.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 ***** */
- #include "hxtypes.h"
- #include "hlxclib/string.h"
- #include "ciddefs.h"
- #include "infmt.h"
- static const int cidI420[] = {CID_I420, CID_YV12, CID_YUY2, CID_UYVY};
- static const int cidYV12[] = {CID_YV12, CID_I420, CID_YUY2, CID_UYVY};
- static const int cidYVU9[] = {CID_YVU9, CID_YVU9, CID_YVU9, CID_YVU9};
- static const int cidYUY2[] = {CID_YUY2, CID_UYVY, CID_YV12, CID_I420};
- static const int cidUYVY[] = {CID_UYVY, CID_YUY2, CID_YV12, CID_I420};
- static const int cidXING[] = {CID_YV12, CID_YUY2, CID_UYVY, CID_I420};
- CYUVInputFormatMngr::CYUVInputFormatMngr()
- : m_nNumFormats(0)
- {
- memset(m_aFormats, 0, sizeof(m_aFormats));
- m_nNumFormats = 6;
- // Add defaults
- m_aFormats[0].nInput = CID_I420;
- SetDefaultOutputPriority(CID_I420);
- m_aFormats[1].nInput = CID_YV12;
- SetDefaultOutputPriority(CID_YV12);
- // We have no color converts for this format
- m_aFormats[2].nInput = CID_YVU9;
- SetDefaultOutputPriority(CID_YVU9);
- m_aFormats[3].nInput = CID_YUY2;
- SetDefaultOutputPriority(CID_YUY2);
- m_aFormats[4].nInput = CID_UYVY;
- SetDefaultOutputPriority(CID_UYVY);
- m_aFormats[5].nInput = CID_XING;
- SetDefaultOutputPriority(CID_XING);
- }
- CYUVInputFormatMngr::~CYUVInputFormatMngr()
- {
- }
- BOOL CYUVInputFormatMngr::AddFormat(int nIn, int* pList, int nEntries)
- {
- if (m_nNumFormats >= MAX_INPUT_FORMATS)
- return FALSE;
- m_aFormats[m_nNumFormats].nInput = nIn;
- m_aFormats[m_nNumFormats].nNumOutPuts = 0;
-
- nEntries = min(nEntries, MAX_OUTPUT_FORMATS);
- int nIndex = GetFormatIndex(nIn);
- for (int i=0; i<nEntries; i++)
- m_aFormats[nIndex].aOutputs[i] = pList[i];
- m_aFormats[nIndex].nNumOutPuts = nEntries;
- ++m_nNumFormats;
-
- return TRUE;
- }
- BOOL CYUVInputFormatMngr::IsFormatSupported(int nIn)
- {
- int nIndex = GetFormatIndex(nIn);
- if (nIndex >= 0 && m_aFormats[nIndex].nNumOutPuts)
- return TRUE;
- else
- return FALSE;
- }
- int CYUVInputFormatMngr::GetOutputFormat(int nIn, int nOutputIndex)
- {
- int nFormatIndex = GetFormatIndex(nIn);
- if (nFormatIndex < 0 || nFormatIndex >= MAX_INPUT_FORMATS)
- return -1;
- if (nOutputIndex >= m_aFormats[nFormatIndex].nNumOutPuts)
- return -1;
- return m_aFormats[nFormatIndex].aOutputs[nOutputIndex];
- }
- void CYUVInputFormatMngr::SetOutputPriority(int nIn, int* pList, int nEntries)
- {
- int nFormat = GetFormatIndex(nIn);
- if (nFormat < 0)
- return;
- nEntries = min(nEntries, MAX_OUTPUT_FORMATS);
- for (int i=0; i<nEntries; i++)
- m_aFormats[nFormat].aOutputs[i] = pList[i];
- m_aFormats[nFormat].nNumOutPuts =
- max(m_aFormats[nFormat].nNumOutPuts, nEntries);
- }
- int CYUVInputFormatMngr::GetFormatIndex(int nIn)
- {
- int nRet = -1;
- for (int i=0; i<m_nNumFormats; i++)
- {
- if (m_aFormats[i].nInput == nIn)
- {
- nRet = i;
- break;
- }
- }
- return nRet;
- }
- void CYUVInputFormatMngr::SetDefaultOutputPriority(int nIn)
- {
- int nFormat = GetFormatIndex(nIn);
- if (nFormat < 0)
- return;
- const int* pList = NULL;
- int nCount = 4;
- switch (nIn)
- {
- case CID_I420: pList = cidI420; break;
- case CID_YV12: pList = cidYV12; break;
- case CID_YVU9: pList = cidYVU9; nCount = 1; break;
- case CID_YUY2: pList = cidYUY2; break;
- case CID_UYVY: pList = cidUYVY; break;
- case CID_XING: pList = cidXING; nCount = 3; break;
- }
- m_aFormats[nFormat].nNumOutPuts = nCount;
- for (int i=0; i<nCount; i++)
- m_aFormats[nFormat].aOutputs[i] = pList[i];
- }