Dirac - A Video Codec

Created by the British Broadcasting Corporation.


enc_queue.h
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38
39#ifndef _ENC_QUEUE_H_
40#define _ENC_QUEUE_H_
41
42#include <vector>
43#include <map>
46
47namespace dirac
48{
50
59 class EncQueue{
60 public:
63
65
79 const int xlen,
80 const int ylen,
81 const unsigned int luma_depth,
82 const unsigned int chroma_depth,
83 bool using_ac);
84
86
104 const int numL1,
105 const int L1sep,
106 const int xlen,
107 const int ylen,
108 const unsigned int luma_depth,
109 const unsigned int chroma_depth,
110 bool interlace,
111 bool using_ac);
112
114
118 EncQueue(const EncQueue& cpy);
119
121
125
128
130 EncPicture& GetPicture(const unsigned int pnum );
131
133 const EncPicture& GetPicture(const unsigned int pnum) const;
134
136 EncPicture& GetPicture(const unsigned int pnum, bool& is_present);
137
139 const EncPicture& GetPicture(const unsigned int pnum, bool& is_present) const;
140
142 bool IsPictureAvail(const unsigned int pnum) const;
143
145 std::vector<int> Members() const;
146
148 int Size() const { return m_pic_data.size(); }
149
151
156 void PushPicture(const PictureParams& pp);
157
159
162 void CopyPicture( const EncPicture& picture );
163
165
172 void SetRetiredPictureNum(const int show_pnum, const int current_coded_pnum);
173
175
182 void CleanAll(const int show_pnum, const int current_coded_pnum);
183
185
191 void CleanRetired(const int show_pnum, const int current_coded_pnum);
192
194
198 void Remove(int pnum);
199
200 private:
202
205 void ClearSlot(const unsigned int pos);
206
207 private:
208
209// //! the count of the number of reference pictures in the buffer
210// int m_ref_count;
211
213 std::vector<EncPicture*> m_pic_data;
214
216 std::map<unsigned int,unsigned int> m_pnum_map;
217
218 };
219
220} // namespace dirac
221
222#endif
ChromaFormat
Definition: common_types.h:58
Definition of class SequenceHeaderByteIO.
Definition: accessunit_byteio.h:52
Parameters for initialising picture class objects.
Definition: common.h:533
Definition: enc_picture.h:65
Holds pictures both for reference and to overcome reordering delay.
Definition: enc_queue.h:59
EncQueue()
Default Constructor.
~EncQueue()
Destructor.
std::vector< EncPicture * > m_pic_data
the buffer storing all the values
Definition: enc_queue.h:213
const EncPicture & GetPicture(const unsigned int pnum, bool &is_present) const
Get picture with a given picture number, setting a flag to true if it's there.
std::vector< int > Members() const
Returns a list of member pictures.
std::map< unsigned int, unsigned int > m_pnum_map
the map from picture numbers to position in the buffer
Definition: enc_queue.h:216
bool IsPictureAvail(const unsigned int pnum) const
Return true if picture with the particular picture number is available else return false.
EncPicture & GetPicture(const unsigned int pnum)
Get picture with a given picture number (NOT with a given position in the buffer)
void CopyPicture(const EncPicture &picture)
Put a copy of a new picture into the buffer.
int Size() const
Returns the size of the queue.
Definition: enc_queue.h:148
void Remove(int pnum)
Delete picture.
EncQueue(ChromaFormat cf, const int xlen, const int ylen, const unsigned int luma_depth, const unsigned int chroma_depth, bool using_ac)
Constructor.
EncPicture & GetPicture(const unsigned int pnum, bool &is_present)
Get picture with a given picture number, setting a flag to true if it's there.
EncQueue & operator=(const EncQueue &rhs)
Operator=.
const EncPicture & GetPicture(const unsigned int pnum) const
Get picture with a given picture number (NOT with a given position in the buffer)
EncQueue(const EncQueue &cpy)
Copy constructor.
void PushPicture(const PictureParams &pp)
Put a new picture into the top of the buffer.
void CleanAll(const int show_pnum, const int current_coded_pnum)
Delete all expired pictures.
EncQueue(ChromaFormat cf, const int numL1, const int L1sep, const int xlen, const int ylen, const unsigned int luma_depth, const unsigned int chroma_depth, bool interlace, bool using_ac)
Constructor.
void CleanRetired(const int show_pnum, const int current_coded_pnum)
Delete retired reference pictures and expired non-ref pictures.
void SetRetiredPictureNum(const int show_pnum, const int current_coded_pnum)
Sets the reference picture number that will be cleaned.
void ClearSlot(const unsigned int pos)
Clear internal data slot number pos.

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