public static int GetDefaultNumberOfRefFrames(int oPreset, int oTuningMode, X264Device oDevice, int iLevel, int hRes, int vRes)
{
int iDefaultSetting = 1;
switch (oPreset)
{
case 0:
case 1:
case 2: iDefaultSetting = 1; break;
case 3:
case 4: iDefaultSetting = 2; break;
case 5: iDefaultSetting = 3; break;
case 6: iDefaultSetting = 5; break;
case 7: iDefaultSetting = 8; break;
case 8:
case 9: iDefaultSetting = 16; break;
}
if (oTuningMode == 1 && iDefaultSetting > 1) // animation
iDefaultSetting *= 2;
if (iDefaultSetting > 16)
iDefaultSetting = 16;
if (oDevice != null && oDevice.ReferenceFrames > -1)
iDefaultSetting = Math.Min(oDevice.ReferenceFrames, iDefaultSetting);
if (iLevel > -1 && hRes > 0 && vRes > 0)
{
int iMaxRefForLevel = GetMaxRefForLevel(iLevel, hRes, vRes);
if (iMaxRefForLevel > -1 && iMaxRefForLevel < iDefaultSetting)
iDefaultSetting = iMaxRefForLevel;
}
return iDefaultSetting;
}
public static int GetDefaultNumberOfBFrames(int oPresetLevel, int oTuningMode, int oAVCProfile, X264Device oDevice)
{
int iDefaultSetting = 0;
if (oAVCProfile == 0) // baseline
return iDefaultSetting;
switch (oPresetLevel)
{
case 0: iDefaultSetting = 0; break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7: iDefaultSetting = 3; break;
case 8: iDefaultSetting = 8; break;
case 9: iDefaultSetting = 16; break;
}
if (oTuningMode == 1) // animation
iDefaultSetting += 2;
if (iDefaultSetting > 16)
iDefaultSetting = 16;
if (oDevice != null && oDevice.BFrames > -1)
return Math.Min(oDevice.BFrames, iDefaultSetting);
return iDefaultSetting;
}
public static int GetDefaultNumberOfRefFrames(int oPreset, int oTuningMode, X264Device oDevice, int iLevel, int hRes, int vRes)
{
int iDefaultSetting = 1;
switch (oPreset)
{
case 0:
case 1:
case 2: iDefaultSetting = 1; break;
case 3:
case 4: iDefaultSetting = 2; break;
case 5: iDefaultSetting = 3; break;
case 6: iDefaultSetting = 5; break;
case 7: iDefaultSetting = 8; break;
case 8:
case 9: iDefaultSetting = 16; break;
}
if (oTuningMode == 1 && iDefaultSetting > 1) // animation
{
iDefaultSetting *= 2;
}
if (iDefaultSetting > 16)
{
iDefaultSetting = 16;
}
if (oDevice != null && oDevice.ReferenceFrames > -1)
{
iDefaultSetting = Math.Min(oDevice.ReferenceFrames, iDefaultSetting);
}
if (iLevel > -1 && hRes > 0 && vRes > 0)
{
int iMaxRefForLevel = GetMaxRefForLevel(iLevel, hRes, vRes);
if (iMaxRefForLevel > -1 && iMaxRefForLevel < iDefaultSetting)
{
iDefaultSetting = iMaxRefForLevel;
}
}
return(iDefaultSetting);
}
private static int GetBPyramid(X264Profile inProfile, X264Device device)
{
int bPyramid = inProfile.BPyramid;
if (device.BluRay && inProfile.BPyramid > 1)
{
bPyramid = 1;
}
if (device.BPyramid > -1 && bPyramid != device.BPyramid)
{
bPyramid = device.BPyramid;
}
return bPyramid;
}
private static int GetBFrames(X264Profile inProfile, X264Device device)
{
int numBframes = inProfile.NumBFrames;
if (device.BFrames > -1 && inProfile.NumBFrames > device.BFrames)
{
numBframes = device.BFrames;
}
return numBframes;
}
private static bool GetAud(X264Profile inProfile, X264Device device)
{
bool aud = inProfile.UseAccessUnitDelimiters || device.BluRay && inProfile.UseAccessUnitDelimiters == false;
return aud;
}
private static int GetWeightp(X264Profile inProfile, X264Device device)
{
int weightP = inProfile.PFrameWeightedPrediction;
if (device.BluRay && weightP > 1)
{
weightP = 1;
}
return weightP;
}
private static int GetVBVMaxrate(X264Profile inProfile, X264Device device)
{
int vbvMaxRate = inProfile.VBVMaxRate;
if (device.VBVMaxrate > -1 && (vbvMaxRate > device.VBVMaxrate || vbvMaxRate == 0))
{
vbvMaxRate = device.VBVMaxrate;
}
return vbvMaxRate;
}
public static int GetDefaultNumberOfRefFrames(int oPreset, int oTuningMode, X264Device oDevice)
{
return(GetDefaultNumberOfRefFrames(oPreset, oTuningMode, oDevice, -1, -1, -1));
}
private static int GetSlices(X264Profile inProfile, X264Device device)
{
int numSlices = inProfile.NumSlices;
if (device.BluRay && numSlices != 4)
{
numSlices = 4;
}
return numSlices;
}
private static int GetRefFrames(int hRes, int vRes, X264Profile inProfile, X264Device device)
{
int refFrames = inProfile.NumRefFrames;
if (device.ReferenceFrames > -1 && refFrames > device.ReferenceFrames)
{
refFrames = device.ReferenceFrames;
}
int iMaxRefForLevel = X264Settings.GetMaxRefForLevel(inProfile.AVCLevel, hRes, vRes);
if (iMaxRefForLevel > -1 && iMaxRefForLevel < refFrames)
{
refFrames = iMaxRefForLevel;
}
return refFrames;
}
private static int GetNalHrd(X264Profile inProfile, X264Device device)
{
int nalHrd = inProfile.HRDInfo;
if (device.BluRay && nalHrd < 1)
{
nalHrd = 1;
}
return nalHrd;
}
private static int GetMinKeyInt(int fpsN, int fpsD, int minGop, int maxGop, X264Device device, int gopCalculation)
{
int keyInt = 0;
double fps = (double)fpsN / fpsD;
if (gopCalculation == 1) // calculate min-keyint based on 25fps
keyInt = (int)(minGop / 25.0 * fps);
int maxValue = maxGop / 2 + 1;
if (device.MaxGOP > -1 && minGop > maxValue)
{
int Default = maxGop / 10;
keyInt = Default;
}
return keyInt;
}
private static int GetKeyInt(int fpsN, int fpsD, int maxGop, X264Device device, int gopCalculation)
{
int keyInt = 0;
if (gopCalculation == 1)// calculate min-keyint based on 25fps
keyInt = (int)Math.Round(maxGop / 25.0 * (fpsN / (double)fpsD), 0);
int fps = (int)Math.Round((decimal)fpsN / fpsD, 0);
if (device.MaxGOP > -1 && maxGop > fps * device.MaxGOP)
{
keyInt = fps * device.MaxGOP;
}
return keyInt;
}
public static int GetDefaultNumberOfRefFrames(int oPreset, int oTuningMode, X264Device oDevice)
{
return GetDefaultNumberOfRefFrames(oPreset, oTuningMode, oDevice, -1, -1, -1);
}
private static int GetVBVBufsize(X264Profile inProfile, X264Device device)
{
int vbvBufSize = inProfile.VBVBufSize;
if (device.VBVBufsize > -1 && (vbvBufSize > device.VBVBufsize || vbvBufSize == 0))
{
vbvBufSize = device.VBVBufsize;
}
return vbvBufSize;
}
public static int GetDefaultNumberOfBFrames(int oPresetLevel, int oTuningMode, int oAVCProfile, X264Device oDevice)
{
int iDefaultSetting = 0;
if (oAVCProfile == 0) // baseline
{
return(iDefaultSetting);
}
switch (oPresetLevel)
{
case 0: iDefaultSetting = 0; break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7: iDefaultSetting = 3; break;
case 8: iDefaultSetting = 8; break;
case 9: iDefaultSetting = 16; break;
}
if (oTuningMode == 1) // animation
{
iDefaultSetting += 2;
}
if (iDefaultSetting > 16)
{
iDefaultSetting = 16;
}
if (oDevice != null && oDevice.BFrames > -1)
{
return(Math.Min(oDevice.BFrames, iDefaultSetting));
}
return(iDefaultSetting);
}
