dpb.h

Nokia H.264/AVC Encoder/Decoder Usage Manual

/*
COPYRIGHT, LICENSE AND WARRANTY INFORMATION

This software module has been originally developed by Nokia Corporation. 

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(hereinafter Licensee) comply with all the terms and conditions of this 
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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.

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patent nor other intellectual property right of Nokia licensed under this 
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needed, if any. For example, if patent licenses  are required, it is 
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the Licensee intellectual property rights that, but for a license, would 
be infringed by the Software against  
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        to the Software from Nokia; or 
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        or b,  
which suit or claim is related to the Software or use thereof.

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OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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in all copies and derivative works of the Software or substantial 
portions thereof.
*/



#ifndef _DPB_H_
#define _DPB_H_


#include "globals.h"
#include "framebuffer.h"


#define DPB_ERR_MEM_ALLOC          -3
#define DPB_ERR_PICTURE_NOT_FOUND  -2
#define DPB_ERROR                  -1
#define DPB_OK                      0


#define DPB_MAX_SIZE  16


typedef struct _dpb_s {
  int size;
  frmBuf_s *buffers[DPB_MAX_SIZE];

  int fullness;
  int maxNumRefFrames;
  int numShortTermPics;
  int numLongTermPics;

  int maxLongTermFrameIdx;

} dpb_s;



dpb_s *dpbOpen();

void dpbClose(dpb_s *dpb);

void dpbSetSize(dpb_s *dpb, int dpbSize);

frmBuf_s *dpbGetNextOutputPic(dpb_s *dpb, int *dpbHasIDRorMMCO5);

int dpbStorePicture(dpb_s *dpb, frmBuf_s *currPic, frmBuf_s *outputQueue[]);

void dpbUpdatePicNums(dpb_s *dpb, int32 frameNum, int32 maxFrameNum);

void dpbMarkAllPicsAsNonRef(dpb_s *dpb);

void dpbMarkLowestShortTermPicAsNonRef(dpb_s *dpb);

int dpbMarkShortTermPicAsNonRef(dpb_s *dpb, int32 picNum);

int dpbMarkLongTermPicAsNonRef(dpb_s *dpb, int longTermPicNum);

void dpbVerifyLongTermFrmIdx(dpb_s *dpb, int longTermFrmIdx);

int dpbMarkShortTermPicAsLongTerm(dpb_s *dpb, int32 picNum, int longTermFrmIdx);

void dpbSetMaxLongTermFrameIdx(dpb_s *dpb, int maxLongTermFrmIdxPlus1);


#endif