private void writeDecRefPicMarking(SliceHeader sliceHeader, bool idrSlice, BitWriter writer)
{
if (idrSlice)
{
RefPicMarkingIDR drpmidr = sliceHeader.refPicMarkingIDR;
CAVLCWriter.writeBool(writer, drpmidr.isDiscardDecodedPics(), "SH: no_output_of_prior_pics_flag");
CAVLCWriter.writeBool(writer, drpmidr.isUseForlongTerm(), "SH: long_term_reference_flag");
}
else
{
CAVLCWriter.writeBool(writer, sliceHeader.refPicMarkingNonIDR != null, "SH: adaptive_ref_pic_marking_mode_flag");
if (sliceHeader.refPicMarkingNonIDR != null)
{
RefPicMarking drpmidr = sliceHeader.refPicMarkingNonIDR;
foreach (var mmop in drpmidr.getInstructions())
{
switch (mmop.getType())
{
case RefPicMarking.InstrType.REMOVE_SHORT:
CAVLCWriter.writeUE(writer, 1, "SH: memory_management_control_operation");
CAVLCWriter.writeUE(writer, mmop.getArg1() - 1, "SH: difference_of_pic_nums_minus1");
break;
case RefPicMarking.InstrType.REMOVE_LONG:
CAVLCWriter.writeUE(writer, 2, "SH: memory_management_control_operation");
CAVLCWriter.writeUE(writer, mmop.getArg1(), "SH: long_term_pic_num");
break;
case RefPicMarking.InstrType.CONVERT_INTO_LONG:
CAVLCWriter.writeUE(writer, 3, "SH: memory_management_control_operation");
CAVLCWriter.writeUE(writer, mmop.getArg1() - 1, "SH: difference_of_pic_nums_minus1");
CAVLCWriter.writeUE(writer, mmop.getArg2(), "SH: long_term_frame_idx");
break;
case RefPicMarking.InstrType.TRUNK_LONG:
CAVLCWriter.writeUE(writer, 4, "SH: memory_management_control_operation");
CAVLCWriter.writeUE(writer, mmop.getArg1() + 1, "SH: max_long_term_frame_idx_plus1");
break;
case RefPicMarking.InstrType.CLEAR:
CAVLCWriter.writeUE(writer, 5, "SH: memory_management_control_operation");
break;
case RefPicMarking.InstrType.MARK_LONG:
CAVLCWriter.writeUE(writer, 6, "SH: memory_management_control_operation");
CAVLCWriter.writeUE(writer, mmop.getArg1(), "SH: long_term_frame_idx");
break;
}
}
CAVLCWriter.writeUE(writer, 0, "SH: memory_management_control_operation");
}
}
}
public void performIDRMarking(RefPicMarkingIDR refPicMarkingIDR, Frame picture)
{
clearAll();
vdecoder.pictureBuffer.Clear();
Frame saved = saveRef(picture);
if (refPicMarkingIDR.isUseForlongTerm())
{
vdecoder.lRefs.Add(0, saved);
saved.setShortTerm(false);
}
else
{
vdecoder.sRefs[firstSliceHeader.frame_num] = saved;
}
}