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when automatically determining FPS/resolution for devices, prioritize FPS rather than resolution

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jp9000 2013-07-07 16:11:15 -07:00
parent a666ebddaa
commit c0438dacb4
3 changed files with 37 additions and 11 deletions
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42
DShowPlugin/DShowPlugin.cpp
View File

@ -499,7 +499,18 @@ struct FPSInfo
List<FPSInterval> supportedIntervals;
};
bool GetClosestResolution(List<MediaOutputInfo> &outputList, SIZE &resolution, UINT64 &frameInterval)
static inline UINT64 GetFrameIntervalDist(UINT64 minInterval, UINT64 maxInterval, UINT64 desiredInterval)
{
INT64 minDist = INT64(minInterval)-INT64(desiredInterval);
INT64 maxDist = INT64(desiredInterval)-INT64(maxInterval);
if (minDist < 0) minDist = 0;
if (maxDist < 0) maxDist = 0;
return UINT64(MAX(minDist, maxDist));
}
bool GetClosestResolutionFPS(List<MediaOutputInfo> &outputList, SIZE &resolution, UINT64 &frameInterval, bool bPrioritizeFPS)
{
LONG width, height;
UINT64 internalFrameInterval = 10000000/UINT64(API->GetMaxFPS());
@ -508,7 +519,8 @@ bool GetClosestResolution(List<MediaOutputInfo> &outputList, SIZE &resolution, U
LONG bestDistance = 0x7FFFFFFF;
SIZE bestSize;
UINT64 maxFrameInterval = 0;
UINT64 bestFrameInterval = 0xFFFFFFFFFFFFFFFFLL;
UINT64 minFrameInterval = 0;
UINT64 bestFrameIntervalDist = 0xFFFFFFFFFFFFFFFFLL;
for(UINT i=0; i<outputList.Num(); i++)
{
@ -535,13 +547,27 @@ bool GetClosestResolution(List<MediaOutputInfo> &outputList, SIZE &resolution, U
break;
LONG totalDist = distHeight+distWidth;
if((totalDist <= bestDistance) || (totalDist == bestDistance && outputInfo.minFrameInterval < bestFrameInterval))
{
UINT64 frameIntervalDist = GetFrameIntervalDist(outputInfo.minFrameInterval,
outputInfo.maxFrameInterval, internalFrameInterval);
bool bBetter;
if (bPrioritizeFPS)
bBetter = (frameIntervalDist != bestFrameIntervalDist) ?
(frameIntervalDist < bestFrameIntervalDist) :
(totalDist < bestDistance);
else
bBetter = (totalDist != bestDistance) ?
(totalDist < bestDistance) :
(frameIntervalDist < bestFrameIntervalDist);
if (bBetter) {
bestDistance = totalDist;
bestSize.cx = outputWidth;
bestSize.cy = outputHeight;
maxFrameInterval = outputInfo.maxFrameInterval;
bestFrameInterval = outputInfo.minFrameInterval;
minFrameInterval = outputInfo.minFrameInterval;
bestFrameIntervalDist = frameIntervalDist;
}
outputHeight += outputInfo.yGranularity;
@ -558,8 +584,8 @@ bool GetClosestResolution(List<MediaOutputInfo> &outputList, SIZE &resolution, U
if(internalFrameInterval > maxFrameInterval)
frameInterval = maxFrameInterval;
else if(internalFrameInterval < bestFrameInterval)
frameInterval = bestFrameInterval;
else if(internalFrameInterval < minFrameInterval)
frameInterval = minFrameInterval;
else
frameInterval = internalFrameInterval;
return true;
@ -1499,7 +1525,7 @@ INT_PTR CALLBACK ConfigureDialogProc(HWND hwnd, UINT message, WPARAM wParam, LPA
SIZE size;
UINT64 frameInterval;
if(GetClosestResolution(configData->outputList, size, frameInterval))
if(GetClosestResolutionFPS(configData->outputList, size, frameInterval, true))
{
String strResolution;
strResolution << UIntString(size.cx) << TEXT("x") << UIntString(size.cy);

2
DShowPlugin/DShowPlugin.h
View File

@ -37,7 +37,7 @@ extern HINSTANCE hinstMain;
IBaseFilter* GetDeviceByValue(const IID &enumType, WSTR lpType, CTSTR lpName, WSTR lpType2=NULL, CTSTR lpName2=NULL);
IPin* GetOutputPin(IBaseFilter *filter, const GUID *majorType);
void GetOutputList(IPin *curPin, List<MediaOutputInfo> &outputInfoList);
bool GetClosestResolution(List<MediaOutputInfo> &outputList, SIZE &resolution, UINT64 &frameInterval);
bool GetClosestResolutionFPS(List<MediaOutputInfo> &outputList, SIZE &resolution, UINT64 &frameInterval, bool bPrioritizeFPS);
extern LocaleStringLookup *pluginLocale;
#define PluginStr(text) pluginLocale->LookupString(TEXT2(text))

2
DShowPlugin/DeviceSource.cpp
View File

@ -311,7 +311,7 @@ bool DeviceSource::LoadFilters()
else
{
SIZE size;
if (!GetClosestResolution(outputList, size, frameInterval))
if (!GetClosestResolutionFPS(outputList, size, frameInterval, true))
{
AppWarning(TEXT("DShowPlugin: Unable to find appropriate resolution"));
renderCX = renderCY = 64;