/*COPYRIGHT, LICENSE AND WARRANTY INFORMATIONThis software module has been originally developed by Nokia Corporation. Provided that a person, entity or a company willing to use the Software (hereinafter Licensee) comply with all the terms and conditions of this Statement and subject to the limitations set forth in this Statement Nokia grants to such Licensee a non-exclusive, sub-licensable, worldwide, limited license under copyrights owned by Nokia to use the Software for the sole purpose of creating, manufacturing, selling, marketing, or  distributing (including the right to make modifications to the Software) a fully compliant decoder implementation (hereinafter "Decoder") of ITU-T Recommendation H.264 / ISO/IEC International Standard 14496-10 and an encoder implementation producing output that is decodable with the Decoder.Nokia retains the ownership of copyrights to the Software. There is no patent nor other intellectual property right of Nokia licensed under this Statement (except the copyright license above). Licensee hereby assumes sole responsibility to secure any other intellectual property rights needed, if any. For example, if patent licenses  are required, it is their responsibility to acquire the license before utilizing the Software.The license by Nokia is subject to that the Licensee grants to Nokia the non-exclusive, worldwide, royalty-free, perpetual and irrevocable covenant that the Licensee(s) shall not bring a suit before any court or administrative agency or otherwise assert a claim for infringement under the Licensee intellectual property rights that, but for a license, would be infringed by the Software against     (a)  Nokia or Nokia's Affiliate; or     (b)  other recipient of a license and covenant not to sue with respect         to the Software from Nokia; or    (c)  contractor, customer or distributor of a party listed above in a         or b,  which suit or claim is related to the Software or use thereof.The Licensee(s) further agrees to grant a reciprocal license to Nokia (as granted by Nokia to the Licensee(s) on the modifications made by Licensee(s) to the Software. THE SOFTWARE IS PROVIDED "AS IS" AND THE ORIGINAL DEVELOPER DISCLAIMS ANY AND ALL WARRANTIES WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. THOSE INTENDING TO USE THE SOFTWARE ARE EXPRESSLY ADVISED THAT ITS USE MAY INFRINGE EXISTING PATENTS AND BE SUBJECT TO ROYALTY PAYMENTS TO PATENT OWNERS. ANYONE USING THE SOFTWARE ON THE BASIS OF THIS LICENSE AGREES TO OBTAIN THE NECESSARY PERMISSIONS FROM ANY AND ALL APPLICABLE PATENT OWNERS FOR SUCH USE.IN NO EVENT SHALL THE ORIGINAL DEVELOPER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.This copyright, license and warranty information notice must be retained in all copies and derivative works of the Software or substantial portions thereof.*/#ifndef _DPB_H_#define _DPB_H_#include "globals.h"#include "RefFrame.h"#include "encparams.h"typedef struct _reorderCommand_s {  int idc;  int absDiffPicNumMinus1;  int longTermPicNum;} reorderCommand_s;typedef struct _dpbBuf_s{  int codedFrmNum;                    // index of the frame encoded  int frameNum;                       // frame number for short term reference  int prevRefFrameNum;                // frame number of last reference frame  int maxFrameNum;                    // max value current frame number can have  int picHasMMCO5; /* the previous decoded picture in decoding order included a memory_management_control_operation equal to 5 */  int prevPicHasMMCO5; /* the previous decoded picture in decoding order included a memory_management_control_operation equal to 5 */  unsigned int frameNumOffset;  unsigned int prevFrameNumOffset;  int maxNumRefFrms;                  // max number of reference frames allowed  int numRefFrms;                     // number of reference frames available  int numShorts;                      // number of short-term reference frames  int numLongs;                       // number of long-term reference frames  int actualNumRefFrms;  int idxOldest;                      // index to the oldest short term ref  int ltrIdr;                         // indicate IDR will become a long term ref  refFrmBuf_s *refFrmArr;             // The physical memory is allocated here  refFrmBuf_s **refPicList0;          // The refPicList0  refFrmBuf_s **refPicListNormalOrder;// Reference frame pointer array in normal order  reorderCommand_s *reorderCmds;  MMCO_s *mmcoList;} dpbBuf_s;void dpbInitialize(dpbBuf_s    *dpbBuf,                    encParams_s *pEncPar);void dpbRelease(dpbBuf_s *dpbBuf, int low_complex_prof3);void dbpBeforeEncodeFrame(dpbBuf_s *dpbBuf,                           int      nalRefIdc,                          int      idrFlag,                          int      ltrCandidate);int dpbGetReorderCommands(dpbBuf_s *dpbBuf);void dpbRefListNormalOrder(dpbBuf_s *dpbBuf);void dpbRefListReorder(dpbBuf_s *dpbBuf);void dpbUpdate(dpbBuf_s *dpbBuf,                frmBuf_s *recoFrame,               int      nalRefIdc,               int      idrFlag,               int      low_complex_prof3               );#endif  // _DPB_H_