private void unrefShortTerm(int shortNo)
{
int ind = SliceDecoder.wrap(firstSliceHeader.frame_num - shortNo,
1 << (firstSliceHeader.sps.log2_max_frame_num_minus4 + 4));
releaseRef(vdecoder.sRefs[ind]);
vdecoder.sRefs[ind] = null;
}
private void convert(int shortNo, int longNo)
{
int ind = SliceDecoder.wrap(firstSliceHeader.frame_num - shortNo,
1 << (firstSliceHeader.sps.log2_max_frame_num_minus4 + 4));
releaseRef(vdecoder.lRefs[longNo]);
vdecoder.lRefs.Add(longNo, vdecoder.sRefs[ind]);
vdecoder.sRefs[ind] = null;
vdecoder.lRefs[(longNo)].setShortTerm(false);
}
private Frame init(int[][] buffer, MemoryStream segment, NALUnit marker)
{
firstNu = marker;
shr = new SliceHeaderReader();
BitReader br = new BitReader(segment.duplicate());
firstSliceHeader = shr.readPart1(br);
activePps = vdecoder.pps[firstSliceHeader.pic_parameter_set_id];
activeSps = vdecoder.sps[activePps.seq_parameter_set_id];
shr.readPart2(firstSliceHeader, marker, activeSps, activePps, br);
int picWidthInMbs = activeSps.pic_width_in_mbs_minus1 + 1;
int picHeightInMbs = Utility.getPicHeightInMbs(activeSps);
int[][] nCoeff = (int[][])Array.CreateInstance(typeof(int), new int[] { picHeightInMbs << 2, picWidthInMbs << 2 }); //new int[picHeightInMbs << 2][picWidthInMbs << 2];
mvs = (int[][][][])Array.CreateInstance(typeof(int), new int[] { 2, picHeightInMbs << 2, picWidthInMbs << 2, 3 }); //new int[2][picHeightInMbs << 2][picWidthInMbs << 2][3];
MBType[] mbTypes = new MBType[picHeightInMbs * picWidthInMbs];
bool[] tr8x8Used = new bool[picHeightInMbs * picWidthInMbs];
int[][] mbQps = (int[][])Array.CreateInstance(typeof(int), new int[] { 3, picHeightInMbs * picWidthInMbs });//new int[3][picHeightInMbs * picWidthInMbs];
SliceHeader[] shs = new SliceHeader[picHeightInMbs * picWidthInMbs];
Frame[][][] refsUsed = new Frame[picHeightInMbs * picWidthInMbs][][];
if (vdecoder.sRefs == null)
{
vdecoder.sRefs = new Frame[1 << (firstSliceHeader.sps.log2_max_frame_num_minus4 + 4)];
vdecoder.lRefs = new Dictionary <int, Frame>();
}
Frame result = createFrame(activeSps, buffer, firstSliceHeader.frame_num, mvs, refsUsed,
vdecoder.poc.calcPOC(firstSliceHeader, firstNu));
decoder = new SliceDecoder(activeSps, activePps, nCoeff, mvs, mbTypes, mbQps, shs, tr8x8Used, refsUsed,
result, vdecoder.sRefs, vdecoder.lRefs);
decoder.setDebug(vdecoder.debug);
filter = new DeblockingFilter(picWidthInMbs, activeSps.bit_depth_chroma_minus8 + 8, nCoeff, mvs, mbTypes,
mbQps, shs, tr8x8Used, refsUsed);
return(result);
}