void RequestLinear::insertCacheFrame(int pframe, IScriptEnvironment *env)
{
RFrame *cf;
PVideoFrame nframe;
int first = pframe-clim+1;
start_pos = (start_pos+1)%clim;
if (debug)
{
sprintf(buf, "RequestLinear: cache inserting frame %d\n", pframe);
OutputDebugString(buf);
}
for (int i=0; i<clim; ++i)
{
cf = frames[getCachePos(i)];
if (first+i == pframe && (cf->num != pframe || cf->valid != 1))
{
cf->data = requestFrame(mapn(first+i), env);
cf->num = first+i;
cf->valid = 1;
}
else if (cf->num != first+i)
{
cf->data = nframe; // force release
cf->num = first+i;
cf->valid = 0;
}
}
}
PVideoFrame __stdcall TComb::GetFrame(int n, IScriptEnvironment *env)
{
tdc->resetCacheStart(n - 10, n + 10);
int lc = mode == 2 ? 0x111 : (mode == 1 ? 0x110 : 0x1);
for (int i = -10; i <= 10; ++i)
{
if (tdc->frames[tdc->getCachePos(10 + i)]->fnum != n + i)
insertFrame(child->GetFrame(mapn(n + i), env), 10 + i, n + i, lc, env);
}
if (mode == 0 || mode == 2)
buildDiffMasks(0x1, env);
getAverages(lc, env);
buildOscillationMasks(lc, env);
getFinalMasks(lc, env);
buildFinalFrame(
tdc->frames[tdc->getCachePos(6)]->orig,
tdc->frames[tdc->getCachePos(8)]->orig,
tdc->frames[tdc->getCachePos(10)]->orig,
tdc->frames[tdc->getCachePos(12)]->orig,
tdc->frames[tdc->getCachePos(14)]->orig,
tdc->frames[tdc->getCachePos(10)]->msk2,
tdc->frames[tdc->getCachePos(12)]->msk2,
tdc->frames[tdc->getCachePos(14)]->msk2,
dstPF, lc, env);
PVideoFrame dst = env->NewVideoFrame(vi);
dstPF->copyTo(dst, vi);
return dst;
}
PVideoFrame __stdcall RequestLinear::GetFrame(int n, IScriptEnvironment *env)
{
n = mapn(n);
if (debug)
{
sprintf(buf, "RequestLinear: frame %d -- last_request = %d\n", n, last_request);
OutputDebugString(buf);
}
if (clim <= 0)
{
if (n > last_request && n-last_request <= rlim)
{
for (int i=last_request+1; i<n; ++i)
requestFrame(i, env);
}
else if (n <= last_request && n <= rlim)
{
for (int i=0; i<n; ++i)
requestFrame(i, env);
}
else if (rall)
{
int start = n > last_request ? last_request+1 : 0;
for (int i=start; i<n; ++i)
requestFrame(i, env);
}
else if (elim > 0)
{
for (int i=max(0,n-elim); i<n; ++i)
requestFrame(i, env);
}
last_request = n;
return requestFrame(n, env);
}
if (n > last_request)
{
if (n-last_request <= rlim || rall)
{
for (int i=last_request+1; i<=n; ++i)
insertCacheFrame(i, env);
}
else
{
clearCache(n, env);
for (int i=max(0,n-elim); i<=n; ++i)
insertCacheFrame(i, env);
}
last_request = n;
return findCachedFrame(n, env);
}
if (last_request-n < clim)
return findCachedFrame(n, env);
if (n <= rlim || rall)
{
for (int i=0; i<=n; ++i)
insertCacheFrame(i, env);
}
else
{
clearCache(n, env);
for (int i=max(0,n-elim); i<=n; ++i)
insertCacheFrame(i, env);
}
last_request = n;
return findCachedFrame(n, env);
}