public override int probe(MemoryStream data)
{
bool avalidSps = false, avalidPps = false, avalidSh = false;
foreach (var nalUnit in Utility.splitFrame(data.duplicate()))
{
NALUnit marker = NALUnit.read(nalUnit);
if (marker.type == NALUnitType.IDR_SLICE || marker.type == NALUnitType.NON_IDR_SLICE)
{
BitReader reader = new BitReader(nalUnit);
avalidSh = validSh(new SliceHeaderReader().readPart1(reader));
break;
}
else if (marker.type == NALUnitType.SPS)
{
avalidSps = validSps(SeqParameterSet.read(nalUnit));
}
else if (marker.type == NALUnitType.PPS)
{
avalidPps = validPps(PictureParameterSet.read(nalUnit));
}
}
return((avalidSh ? 60 : 0) + (avalidSps ? 20 : 0) + (avalidPps ? 20 : 0));
}
public static PictureParameterSet readPPS(System.IO.MemoryStream data)
{
System.IO.MemoryStream input = data.duplicate();
Utility.unescapeNAL(input);
PictureParameterSet pps = PictureParameterSet.read(input);
return(pps);
}
public void addPps(List <MemoryStream> ppsList)
{
foreach (var byteBuffer in ppsList)
{
MemoryStream dup = byteBuffer.duplicate();
Utility.unescapeNAL(dup);
PictureParameterSet p = PictureParameterSet.read(dup);
pps.Add(p.pic_parameter_set_id, p);
}
}
public Frame decodeFrame(List <MemoryStream> nalUnits, int[][] buffer)
{
Frame result = null;
foreach (var nalUnit in nalUnits)
{
NALUnit marker = NALUnit.read(nalUnit);
Utility.unescapeNAL(nalUnit);
switch (marker.type.getValue())
{
case 1:
case 5:
if (result == null)
{
result = init(buffer, nalUnit, marker);
}
decoder.decode(nalUnit, marker);
break;
case 8:
SeqParameterSet _sps = SeqParameterSet.read(nalUnit);
vdecoder.sps.Add(_sps.seq_parameter_set_id, _sps);
break;
case 7:
PictureParameterSet _pps = PictureParameterSet.read(nalUnit);
vdecoder.pps.Add(_pps.pic_parameter_set_id, _pps);
break;
default:
break;
}
}
filter.deblockFrame(result);
updateReferences(result);
return(result);
}