e30d6793
 Zou XiKun
v0.0.1
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#include <cuda_runtime.h>
#include "SnapShotFrameCache.h"
void SnapShotFrameCache::init_cache(unsigned int cache_len, unsigned int cache_count)
{
this->cache_len = cache_len;
this->cache_count = cache_count;
alloc();
}
bool SnapShotFrameCache::alloc()
{
for (size_t i = 0; i < cache_count; i++)
{
void * frame = NULL;
auto cudaStatus = cudaMalloc((void**)&frame, cache_len);
if (cudaStatus != cudaSuccess)
{
return false;
}
cache.push(frame);
}
return true;
}
void * SnapShotFrameCache::get_frame()
{
if (cache.empty())
{
alloc();
if (!cache.empty())
{
void * frame = cache.front();
cache.pop();
return frame;
}
else
{
return nullptr;
}
}
else
{
void * frame = cache.front();
cache.pop();
return frame;
}
}
void SnapShotFrameCache::release(void * frame)
{
cache.push(frame);
}
void SnapShotFrameCache::free()
{
while (!cache.empty())
{
void * frame = cache.front();
cudaFree(frame);
cache.pop();
}
}
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