public int ff_h264_decode_mb_cavlc(H264Context h)
{
MpegEncContext s = h.s;
int mb_xy;
int partition_count;
int mb_type, cbp;
int dct8x8_allowed = h.pps.transform_8x8_mode;
// DebugTool.dumpDebugFrameData(h, "BEFORE-ff_h264_decode_mb_cavlc");
mb_xy = h.mb_xy = s.mb_x + s.mb_y * s.mb_stride;
//tprintf(s.avctx, "pic:%d mb:%d/%d\n", h.frame_num, s.mb_x, s.mb_y);
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
if (h.slice_type_nos != H264Context.FF_I_TYPE)
{
if (s.mb_skip_run == -1)
s.mb_skip_run = s.gb.get_ue_golomb("mb_skip_run");
if (0 != s.mb_skip_run--)
{
if (h.mb_aff_frame != 0 && (s.mb_y & 1) == 0)
{
if (s.mb_skip_run == 0)
h.mb_mbaff = h.mb_field_decoding_flag = (int)s.gb.get_bits1("mb_mbaff");
}
h.decode_mb_skip();
return 0;
}
}
if (h.mb_aff_frame != 0)
{
if ((s.mb_y & 1) == 0)
h.mb_mbaff = h.mb_field_decoding_flag = (int)s.gb.get_bits1("mb_field_decoding_flag");
}
h.prev_mb_skipped = 0;
mb_type = s.gb.get_ue_golomb("mb_type");
if (h.slice_type_nos == H264Context.FF_B_TYPE)
{
if (mb_type < 23)
{
partition_count = H264Data.b_mb_type_info[mb_type].partition_count;
mb_type = H264Data.b_mb_type_info[mb_type].type;
}
else
{
mb_type -= 23;
// goto decode_intra_mb;
// decode_intra_mb:
if (mb_type > 25)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h.slice_type), s.mb_x, s.mb_y);
return -1;
}
partition_count = 0;
cbp = H264Data.i_mb_type_info[mb_type].cbp;
h.intra16x16_pred_mode = H264Data.i_mb_type_info[mb_type].pred_mode;
mb_type = H264Data.i_mb_type_info[mb_type].type;
}
}
else if (h.slice_type_nos == H264Context.FF_P_TYPE)
{
if (mb_type < 5)
{
partition_count = H264Data.p_mb_type_info[mb_type].partition_count;
mb_type = H264Data.p_mb_type_info[mb_type].type;
}
else
{
mb_type -= 5;
// goto decode_intra_mb;
// decode_intra_mb:
if (mb_type > 25)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h.slice_type), s.mb_x, s.mb_y);
return -1;
}
partition_count = 0;
cbp = H264Data.i_mb_type_info[mb_type].cbp;
h.intra16x16_pred_mode = H264Data.i_mb_type_info[mb_type].pred_mode;
mb_type = H264Data.i_mb_type_info[mb_type].type;
}
}
else
{
//assert(h.slice_type_nos == H264Context.FF_I_TYPE);
if (h.slice_type == H264Context.FF_SI_TYPE && mb_type != 0)
mb_type--;
//decode_intra_mb:
if (mb_type > 25)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h.slice_type), s.mb_x, s.mb_y);
return -1;
}
partition_count = 0;
cbp = H264Data.i_mb_type_info[mb_type].cbp;
h.intra16x16_pred_mode = H264Data.i_mb_type_info[mb_type].pred_mode;
mb_type = H264Data.i_mb_type_info[mb_type].type;
}
if (h.mb_field_decoding_flag != 0)
mb_type |= H264Context.MB_TYPE_INTERLACED;
h.slice_table_base[h.slice_table_offset + mb_xy] = h.slice_num;
if (0 != (mb_type & H264Context.MB_TYPE_INTRA_PCM))
{
int x;
// We assume these blocks are very rare so we do not optimize it.
s.gb.align_get_bits();
// The pixels are stored in the same order as levels in h.mb array.
for (x = 0; x < ((h.sps.chroma_format_idc != 0) ? 384 : 256); x += 2)
{
// Combine 2 byte to get a short.
//((uint8_t*)h.mb)[x]= (int)s.gb.get_bits(8);
int val = (int)s.gb.get_bits(8, "val");
val = val | (((int)s.gb.get_bits(8, "val")) << 8);
h.mb[x / 2] = (short)val;
}
// In deblocking, the quantizer is 0
s.current_picture.qscale_table[mb_xy] = 0;
// All coeffs are present
//memset(h.non_zero_count[mb_xy], 16, 32);
Arrays.Fill(h.non_zero_count[mb_xy], 0, 32, 16);
s.current_picture.mb_type_base[s.current_picture.mb_type_offset + mb_xy] = mb_type;
return 0;
}
if (h.mb_mbaff != 0)
{
h.ref_count[0] <<= 1;
h.ref_count[1] <<= 1;
}
h.fill_decode_neighbors(mb_type);
h.fill_decode_caches(mb_type);
//mb_pred
if (0 != (mb_type & 7))
{
int pred_mode;
// init_top_left_availability(h);
if (0 != (mb_type & H264Context.MB_TYPE_INTRA4x4))
{
int i;
int di = 1;
if (dct8x8_allowed != 0 && s.gb.get_bits1("MB_TYPE_8x8DCT?") != 0)
{
mb_type |= H264Context.MB_TYPE_8x8DCT;
di = 4;
}
// fill_intra4x4_pred_table(h);
for (i = 0; i < 16; i += di)
{
int mode = h.pred_intra_mode(i);
if (0 == s.gb.get_bits1("rem_mode"))
{
int rem_mode = (int)s.gb.get_bits(3, "rem_mode");
mode = rem_mode + ((rem_mode >= mode) ? 1 : 0);
}
if (di == 4)
Rectangle.fill_rectangle_sign(h.intra4x4_pred_mode_cache, H264Context.scan8[i], 2, 2, 8, mode, 1);
else
h.intra4x4_pred_mode_cache[H264Context.scan8[i]] = mode;
}
h.ff_h264_write_back_intra_pred_mode();
if (h.ff_h264_check_intra4x4_pred_mode() < 0)
return -1;
}
else
{
h.intra16x16_pred_mode = h.ff_h264_check_intra_pred_mode(h.intra16x16_pred_mode);
if (h.intra16x16_pred_mode < 0)
return -1;
}
if (h.sps.chroma_format_idc != 0)
{
pred_mode = h.ff_h264_check_intra_pred_mode(s.gb.get_ue_golomb_31("pred_mode"));
if (pred_mode < 0)
return -1;
h.chroma_pred_mode = pred_mode;
}
}
else if (partition_count == 4)
{
int i, j;
int[] sub_partition_count = new int[4];
int list;
int[][] @ref = Arrays.Create<int>(2, 4);
if (h.slice_type_nos == H264Context.FF_B_TYPE)
{
for (i = 0; i < 4; i++)
{
h.sub_mb_type[i] = s.gb.get_ue_golomb_31("sub_mb_type");
if (h.sub_mb_type[i] >= 13)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h.sub_mb_type[i], s.mb_x, s.mb_y);
return -1;
}
sub_partition_count[i] = H264Data.b_sub_mb_type_info[h.sub_mb_type[i]].partition_count;
h.sub_mb_type[i] = H264Data.b_sub_mb_type_info[h.sub_mb_type[i]].type;
}
if (0 != ((h.sub_mb_type[0] | h.sub_mb_type[1] | h.sub_mb_type[2] | h.sub_mb_type[3]) & H264Context.MB_TYPE_DIRECT2))
{
mb_type = h.ff_h264_pred_direct_motion(mb_type);
h.ref_cache[0][H264Context.scan8[4]] =
h.ref_cache[1][H264Context.scan8[4]] =
h.ref_cache[0][H264Context.scan8[12]] =
h.ref_cache[1][H264Context.scan8[12]] = H264Context.PART_NOT_AVAILABLE;
}
}
else
{
//assert(h.slice_type_nos == H264Context.FF_P_TYPE); //FIXME SP correct ?
for (i = 0; i < 4; i++)
{
h.sub_mb_type[i] = s.gb.get_ue_golomb_31("sub_mb_type");
if (h.sub_mb_type[i] >= 4)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h.sub_mb_type[i], s.mb_x, s.mb_y);
return -1;
}
sub_partition_count[i] = H264Data.p_sub_mb_type_info[h.sub_mb_type[i]].partition_count;
h.sub_mb_type[i] = H264Data.p_sub_mb_type_info[h.sub_mb_type[i]].type;
}
}
for (list = 0; list < h.list_count; list++)
{
int ref_count = ((mb_type & H264Context.MB_TYPE_REF0) != 0) ? 1 : (int)h.ref_count[list];
for (i = 0; i < 4; i++)
{
if (0 != (h.sub_mb_type[i] & H264Context.MB_TYPE_DIRECT2)) continue;
if (0 != ((h.sub_mb_type[i]) & (H264Context.MB_TYPE_P0L0 << ((0) + 2 * (list)))))
{
int tmp;
if (ref_count == 1)
{
tmp = 0;
}
else if (ref_count == 2)
{
tmp = (int)s.gb.get_bits1("ref_count?") ^ 1;
}
else
{
tmp = s.gb.get_ue_golomb_31("ref_count?");
if (tmp >= ref_count)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
return -1;
}
}
@ref[list][i] = tmp;
}
else
{
//FIXME
@ref[list][i] = -1;
}
}
}
if (dct8x8_allowed != 0)
dct8x8_allowed = h.get_dct8x8_allowed();
for (list = 0; list < h.list_count; list++)
{
for (i = 0; i < 4; i++)
{
if (0 != (h.sub_mb_type[i] & H264Context.MB_TYPE_DIRECT2))
{
h.ref_cache[list][H264Context.scan8[4 * i]] = h.ref_cache[list][H264Context.scan8[4 * i] + 1];
continue;
}
h.ref_cache[list][H264Context.scan8[4 * i]] = h.ref_cache[list][H264Context.scan8[4 * i] + 1] =
h.ref_cache[list][H264Context.scan8[4 * i] + 8] = h.ref_cache[list][H264Context.scan8[4 * i] + 9] = @ref[list][i];
if (((h.sub_mb_type[i]) & (H264Context.MB_TYPE_P0L0 << ((0) + 2 * (list)))) != 0)
{//IS_DIR(h.sub_mb_type[i], 0, list)){
int sub_mb_type = h.sub_mb_type[i];
int block_width = ((sub_mb_type & (H264Context.MB_TYPE_16x16 | H264Context.MB_TYPE_16x8)) != 0 ? 2 : 1);
for (j = 0; j < sub_partition_count[i]; j++)
{
int mx, my;
int index = 4 * i + block_width * j;
//int16_t (* mv_cache)[2]= &h.mv_cache[list][ H264Context.scan8[index] ];
int[][] mv_cache_base = h.mv_cache[list];
int my_cache_offset = H264Context.scan8[index];
int[] mxmy = new int[2];
h.pred_motion(index, block_width, list, h.ref_cache[list][H264Context.scan8[index]], mxmy);
mx = mxmy[0];
my = mxmy[1];
mx += s.gb.get_se_golomb("mx?");
my += s.gb.get_se_golomb("my?");
//tprintf(s.avctx, "final mv:%d %d\n", mx, my);
if (0 != (sub_mb_type & H264Context.MB_TYPE_16x16))
{
mv_cache_base[my_cache_offset + 1][0] =
mv_cache_base[my_cache_offset + 8][0] = mv_cache_base[my_cache_offset + 9][0] = mx;
mv_cache_base[my_cache_offset + 1][1] =
mv_cache_base[my_cache_offset + 8][1] = mv_cache_base[my_cache_offset + 9][1] = my;
}
else if (0 != (sub_mb_type & H264Context.MB_TYPE_16x8))
{
mv_cache_base[my_cache_offset + 1][0] = mx;
mv_cache_base[my_cache_offset + 1][1] = my;
}
else if (0 != (sub_mb_type & H264Context.MB_TYPE_8x16))
{
mv_cache_base[my_cache_offset + 8][0] = mx;
mv_cache_base[my_cache_offset + 8][1] = my;
}
mv_cache_base[my_cache_offset + 0][0] = mx;
mv_cache_base[my_cache_offset + 0][1] = my;
}
}
else
{
/*
uint32_t *p= (uint32_t *)&h.mv_cache[list][ scan8[4*i] ][0];
p[0] = p[1]=
p[8] = p[9]= 0;
*/
h.mv_cache[list][H264Context.scan8[4 * i] + 0][0] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 1][0] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 8][0] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 9][0] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 0][1] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 1][1] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 8][1] = (short)0;
h.mv_cache[list][H264Context.scan8[4 * i] + 9][1] = (short)0;
}
}
}
}
else if (0 != (mb_type & H264Context.MB_TYPE_DIRECT2))
{
mb_type = h.ff_h264_pred_direct_motion(mb_type);
dct8x8_allowed &= h.sps.direct_8x8_inference_flag;
}
else
{
int list, mx = 0, my = 0, i;
//FIXME we should set ref_idx_l? to 0 if we use that later ...
if (0 != (mb_type & H264Context.MB_TYPE_16x16))
{
for (list = 0; list < h.list_count; list++)
{
int val;
if (((mb_type) & (H264Context.MB_TYPE_P0L0 << ((0) + 2 * (list)))) != 0)
{
if (h.ref_count[list] == 1)
{
val = 0;
}
else if (h.ref_count[list] == 2)
{
val = (int)(s.gb.get_bits1("ref_count?") ^ 1);
}
else
{
val = s.gb.get_ue_golomb_31("ref_count?");
if (val >= h.ref_count[list])
{
//av_log(h.s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
}
}
Rectangle.fill_rectangle_sign(h.ref_cache[list], H264Context.scan8[0], 4, 4, 8, val, 1);
}
}
for (list = 0; list < h.list_count; list++)
{
if (((mb_type) & (H264Context.MB_TYPE_P0L0 << ((0) + 2 * (list)))) != 0)
{
int[] mxmy = new int[] { mx, my };
h.pred_motion(0, 4, list, h.ref_cache[list][H264Context.scan8[0]], mxmy);
mx = mxmy[0];
my = mxmy[1];
mx += s.gb.get_se_golomb("mx?");
my += s.gb.get_se_golomb("my?");
//int val = h.pack16to32(mx,my);
// DebugTool.printDebugString(" ****(1) mx="+mx+", my="+my+", val="+val+"\n");
//tprintf(s.avctx, "final mv:%d %d\n", mx, my);
Rectangle.fill_rectangle_mv_cache(h.mv_cache[list], H264Context.scan8[0], 4, 4, 8, H264Context.pack16to32(mx, my), 4);
}
}
}
else if (0 != (mb_type & H264Context.MB_TYPE_16x8))
{
for (list = 0; list < h.list_count; list++)
{
for (i = 0; i < 2; i++)
{
int val;
if (((mb_type) & (H264Context.MB_TYPE_P0L0 << ((i) + 2 * (list)))) != 0)
{
if (h.ref_count[list] == 1)
{
val = 0;
}
else if (h.ref_count[list] == 2)
{
val = (int)(s.gb.get_bits1("ref_count?") ^ 1);
}
else
{
val = s.gb.get_ue_golomb_31("ref_count?");
if (val >= h.ref_count[list])
{
//av_log(h.s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
}
}
}
else
{
//!!?????????????????????? Need unsigneded??
val = H264Context.LIST_NOT_USED;
} // if
Rectangle.fill_rectangle_sign(h.ref_cache[list], H264Context.scan8[0] + 16 * i, 4, 2, 8, val, 1);
}
}
for (list = 0; list < h.list_count; list++)
{
for (i = 0; i < 2; i++)
{
int val;
if (((mb_type) & (H264Context.MB_TYPE_P0L0 << ((i) + 2 * (list)))) != 0)
{
int[] mxmy = new int[] { mx, my };
h.pred_16x8_motion(8 * i, list, h.ref_cache[list][H264Context.scan8[0] + 16 * i], mxmy);
mx = mxmy[0];
my = mxmy[1];
mx += s.gb.get_se_golomb("mx?");
my += s.gb.get_se_golomb("my?");
//tprintf(s.avctx, "final mv:%d %d\n", mx, my);
val = H264Context.pack16to32(mx, my);
// DebugTool.printDebugString(" ****(2) mx="+mx+", my="+my+", val="+val+"\n");
}
else
val = 0;
Rectangle.fill_rectangle_mv_cache(h.mv_cache[list], H264Context.scan8[0] + 16 * i, 4, 2, 8, val, 4);
}
}
}
else
{
////assert(IS_8X16(mb_type));
for (list = 0; list < h.list_count; list++)
{
for (i = 0; i < 2; i++)
{
int val;
if (((mb_type) & (H264Context.MB_TYPE_P0L0 << ((i) + 2 * (list)))) != 0)
{ //FIXME optimize
if (h.ref_count[list] == 1)
{
val = 0;
}
else if (h.ref_count[list] == 2)
{
val = (int)(s.gb.get_bits1("ref-count?") ^ 1);
}
else
{
val = s.gb.get_ue_golomb_31("ref-count?");
if (val >= h.ref_count[list])
{
//av_log(h.s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
}
}
}
else
{
// !!?????????? Need Unsigned
val = H264Context.LIST_NOT_USED;
} // if
Rectangle.fill_rectangle_sign(h.ref_cache[list], H264Context.scan8[0] + 2 * i, 2, 4, 8, val, 1);
}
}
for (list = 0; list < h.list_count; list++)
{
for (i = 0; i < 2; i++)
{
int val;
if (((mb_type) & (H264Context.MB_TYPE_P0L0 << ((i) + 2 * (list)))) != 0)
{
int[] mxmy = new int[] { mx, my };
h.pred_8x16_motion(i * 4, list, h.ref_cache[list][H264Context.scan8[0] + 2 * i], mxmy);
mx = mxmy[0];
my = mxmy[1];
mx += s.gb.get_se_golomb("mx?");
my += s.gb.get_se_golomb("my?");
//tprintf(s.avctx, "final mv:%d %d\n", mx, my);
val = H264Context.pack16to32(mx, my);
// DebugTool.printDebugString(" ****(3) mx="+mx+", my="+my+", val="+val+"\n");
}
else
val = 0;
Rectangle.fill_rectangle_mv_cache(h.mv_cache[list], H264Context.scan8[0] + 2 * i, 2, 4, 8, val, 4);
}
}
}
}
if (0 != (mb_type & (H264Context.MB_TYPE_16x16 | H264Context.MB_TYPE_16x8 | H264Context.MB_TYPE_8x16 | H264Context.MB_TYPE_8x8)))
h.write_back_motion(mb_type);
if (0 == (mb_type & H264Context.MB_TYPE_INTRA16x16))
{
cbp = s.gb.get_ue_golomb("cbp");
if (cbp > 47)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s.mb_x, s.mb_y);
return -1;
}
if (h.sps.chroma_format_idc != 0)
{
if (0 != (mb_type & H264Context.MB_TYPE_INTRA4x4)) cbp = H264Data.golomb_to_intra4x4_cbp[cbp];
else cbp = H264Data.golomb_to_inter_cbp[cbp];
}
else
{
if (0 != (mb_type & H264Context.MB_TYPE_INTRA4x4)) cbp = golomb_to_intra4x4_cbp_gray[cbp];
else cbp = golomb_to_inter_cbp_gray[cbp];
}
}
if (dct8x8_allowed != 0 && (cbp & 15) != 0 && 0 == (mb_type & 7))
{
mb_type |= (int)(H264Context.MB_TYPE_8x8DCT * s.gb.get_bits1("mb_type"));
}
h.cbp =
h.cbp_table[mb_xy] = cbp;
s.current_picture.mb_type_base[s.current_picture.mb_type_offset + mb_xy] = mb_type;
if (cbp != 0 || 0 != (mb_type & H264Context.MB_TYPE_INTRA16x16))
{
int i8x8, i4x4, chroma_idx;
int dquant;
GetBitContext gb = (((mb_type & 7) != 0) ? h.intra_gb_ptr : h.inter_gb_ptr);
//uint8_t *scan, *scan8x8;
byte[] scan;
byte[] scan8x8;
if (0 != (mb_type & H264Context.MB_TYPE_INTERLACED))
{
scan8x8 = (s.qscale != 0 ? h.field_scan8x8_cavlc : h.field_scan8x8_cavlc_q0);
scan = (s.qscale != 0 ? h.field_scan : h.field_scan_q0);
}
else
{
scan8x8 = (s.qscale != 0 ? h.zigzag_scan8x8_cavlc : h.zigzag_scan8x8_cavlc_q0);
scan = (s.qscale != 0 ? h.zigzag_scan : h.zigzag_scan_q0);
}
dquant = s.gb.get_se_golomb("dquant");
s.qscale += dquant;
if ((/*(unsigned)*/s.qscale) > 51)
{
if (s.qscale < 0) s.qscale += 52;
else s.qscale -= 52;
if ((/*(unsigned)*/s.qscale) > 51)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s.mb_x, s.mb_y);
return -1;
}
}
h.chroma_qp[0] = h.pps.chroma_qp_table[0][s.qscale];
h.chroma_qp[1] = h.pps.chroma_qp_table[1][s.qscale];
if (0 != (mb_type & H264Context.MB_TYPE_INTRA16x16))
{
// Fill 16 uint16_t with 0
Arrays.Fill(h.mb_luma_dc, 0, 16, (short)0);
//AV_ZERO128(h.mb_luma_dc+0);
//AV_ZERO128(h.mb_luma_dc+8);
if (decode_residual(h, h.intra_gb_ptr, h.mb_luma_dc, 0, H264Context.LUMA_DC_BLOCK_INDEX, scan, 0, h.dequant4_coeff[0][s.qscale], 0, 16) < 0)
{
return -1; //FIXME continue if partitioned and other return -1 too
}
//assert((cbp&15) == 0 || (cbp&15) == 15);
if ((cbp & 15) != 0)
{
/////////////////////////////////
for (i8x8 = 0; i8x8 < 4; i8x8++)
{
for (i4x4 = 0; i4x4 < 4; i4x4++)
{
int index = i4x4 + 4 * i8x8;
if (decode_residual(h, h.intra_gb_ptr, h.mb, 16 * index, index, scan, 1, h.dequant4_coeff[0][s.qscale], 0, 15) < 0)
{
return -1;
}
}
}
}
else
{
Rectangle.fill_rectangle_unsign(h.non_zero_count_cache, H264Context.scan8[0], 4, 4, 8, 0, 1);
}
}
else
{
for (i8x8 = 0; i8x8 < 4; i8x8++)
{
if ((cbp & (1 << i8x8)) != 0)
{
if (0 != (mb_type & H264Context.MB_TYPE_8x8DCT))
{
short[] buf_base = h.mb;
int buf_offset = 64 * i8x8;
for (i4x4 = 0; i4x4 < 4; i4x4++)
{
if (decode_residual(h, gb, buf_base, buf_offset, i4x4 + 4 * i8x8, scan8x8, 16 * i4x4,
h.dequant8_coeff[(0 != (mb_type & 7)) ? 0 : 1][s.qscale], 0, 16) < 0)
return -1;
}
int[] nnz_base = h.non_zero_count_cache;
int nnz_offset = H264Context.scan8[4 * i8x8];
nnz_base[nnz_offset + 0] += nnz_base[nnz_offset + 1] + nnz_base[nnz_offset + 8] + nnz_base[nnz_offset + 9];
}
else
{
for (i4x4 = 0; i4x4 < 4; i4x4++)
{
int index = i4x4 + 4 * i8x8;
if (decode_residual(h, gb, h.mb, 16 * index, index, scan, 0, h.dequant4_coeff[(mb_type & 7) != 0 ? 0 : 3][s.qscale], 0, 16) < 0)
{
return -1;
}
}
}
}
else
{
int[] nnz_base = h.non_zero_count_cache;
int nnz_offset = H264Context.scan8[4 * i8x8];
nnz_base[nnz_offset + 0] = nnz_base[nnz_offset + 1] = nnz_base[nnz_offset + 8] = nnz_base[nnz_offset + 9] = 0;
}
}
}
if ((cbp & 0x030) != 0)
{
// Fill 2x4 uint_16t with 0
Arrays.Fill(h.mb_chroma_dc[0], (short)0);
Arrays.Fill(h.mb_chroma_dc[1], (short)0);
//AV_ZERO128(h.mb_chroma_dc);
for (chroma_idx = 0; chroma_idx < 2; chroma_idx++)
{
if (decode_residual(h, gb, h.mb_chroma_dc[chroma_idx], 0, H264Context.CHROMA_DC_BLOCK_INDEX + chroma_idx, H264Data.chroma_dc_scan, 0, null, 0, 4) < 0)
{
// DebugTool.printDebugString("----Error type 16\n");
return -1;
}
}
}
if ((cbp & 0x020) != 0)
{
for (chroma_idx = 0; chroma_idx < 2; chroma_idx++)
{
long[] qmul = h.dequant4_coeff[chroma_idx + 1 + (((mb_type & 7) != 0) ? 0 : 3)][h.chroma_qp[chroma_idx]];
for (i4x4 = 0; i4x4 < 4; i4x4++)
{
int index = 16 + 4 * chroma_idx + i4x4;
if (decode_residual(h, gb, h.mb, 16 * index, index, scan, 1, qmul, 0, 15) < 0)
{
return -1;
}
}
}
}
else
{
int[] nnz = h.non_zero_count_cache;
nnz[H264Context.scan8[16] + 0] = nnz[H264Context.scan8[16] + 1] = nnz[H264Context.scan8[16] + 8] = nnz[H264Context.scan8[16] + 9] =
nnz[H264Context.scan8[20] + 0] = nnz[H264Context.scan8[20] + 1] = nnz[H264Context.scan8[20] + 8] = nnz[H264Context.scan8[20] + 9] = 0;
}
}
else
{
int[] nnz = h.non_zero_count_cache;
Rectangle.fill_rectangle_unsign(nnz, H264Context.scan8[0], 4, 4, 8, 0, 1);
nnz[H264Context.scan8[16] + 0] = nnz[H264Context.scan8[16] + 1] = nnz[H264Context.scan8[16] + 8] = nnz[H264Context.scan8[16] + 9] =
nnz[H264Context.scan8[20] + 0] = nnz[H264Context.scan8[20] + 1] = nnz[H264Context.scan8[20] + 8] = nnz[H264Context.scan8[20] + 9] = 0;
}
s.current_picture.qscale_table[mb_xy] = s.qscale;
h.write_back_non_zero_count();
if (h.mb_mbaff != 0)
{
h.ref_count[0] >>= 1;
h.ref_count[1] >>= 1;
}
// DebugTool.dumpDebugFrameData(h, "AFTER-ff_h264_decode_mb_cavlc");
return 0;
}