61 lines
940 B
C++
61 lines
940 B
C++
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#include "MPEGlist.h"
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MPEGlist::MPEGlist()
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{
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size = 0;
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data = 0;
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lock = 0;
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next = 0;
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prev = 0;
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TimeStamp = -1;
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}
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MPEGlist::~MPEGlist()
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{
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if(next) next->prev = prev;
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if(prev) prev->next = next;
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if(data)
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{
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delete[] data;
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data = 0;
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}
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}
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/* Return the next free buffer or allocate a new one if none is empty */
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MPEGlist * MPEGlist::Alloc(Uint32 Buffer_Size)
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{
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MPEGlist * tmp;
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tmp = next;
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next = new MPEGlist;
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next->next = tmp;
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if ( Buffer_Size ) {
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next->data = new Uint8[Buffer_Size];
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if(!next->data)
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{
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fprintf(stderr, "Alloc : Not enough memory\n");
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return(0);
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}
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} else {
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next->data = 0;
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}
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next->size = Buffer_Size;
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next->prev = this;
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return(next);
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}
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/* Lock current buffer */
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void MPEGlist::Lock()
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{
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lock++;
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}
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/* Unlock current buffer */
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void MPEGlist::Unlock()
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{
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if(lock != 0) lock--;
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}
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