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