| // Copyright 2023 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| // |
| // SPDX-License-Identifier: Apache-2.0 OR MIT |
| |
| // -------- |
| |
| // Consider the 8×8 = 64 coefficients (1 DC, 63 AC) in a block. The low |
| // frequency ones are in the top-left corner and their offsets into the |
| // this.mcu_blocks[0] array are: |
| // |
| // 0x00 0x01 0x02 0x03 .... .... .... .... // 0x00 is the DC coefficient. |
| // 0x08 0x09 0x0A .... .... .... .... .... |
| // 0x10 0x11 .... .... .... .... .... .... |
| // 0x18 .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // |
| // These are the first 10 coefficients (in zig-zag order), the 10 elements of |
| // each this.block_smoothing_lowest_scan_al[csel] array: |
| // |
| // zig0 zig1 zig5 zig6 .... .... .... .... // zig0 is the DC coefficient. |
| // zig2 zig4 zig7 .... .... .... .... .... |
| // zig3 zig8 .... .... .... .... .... .... |
| // zig9 .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| // .... .... .... .... .... .... .... .... |
| |
| pri func decoder.top_left_quants_has_zero(q: base.u32[..= 3]) base.bool { |
| // Examine the top-left 10 of the 8×8 = 64 quantization factors. |
| return (this.quant_tables[args.q][0x00] == 0) or |
| (this.quant_tables[args.q][0x01] == 0) or |
| (this.quant_tables[args.q][0x02] == 0) or |
| (this.quant_tables[args.q][0x03] == 0) or |
| (this.quant_tables[args.q][0x08] == 0) or |
| (this.quant_tables[args.q][0x09] == 0) or |
| (this.quant_tables[args.q][0x0A] == 0) or |
| (this.quant_tables[args.q][0x10] == 0) or |
| (this.quant_tables[args.q][0x11] == 0) or |
| (this.quant_tables[args.q][0x18] == 0) |
| } |
| |
| pri func decoder.load_mcu_blocks_for_single_component_smooth!(mx: base.u32[..= 0x2000], my: base.u32[..= 0x2000], workbuf: slice base.u8, csel: base.u32[..= 3]) { |
| var stride16 : base.u64[..= 0x10_0080] |
| var offset : base.u64 |
| |
| var dx : base.u32 |
| var dy : base.u32 |
| |
| var mx : base.u32[..= 0x1FFF] |
| var my : base.u32[..= 0x1FFF] |
| |
| var q : base.u8[..= 3] |
| var q_00 : base.u32 |
| var q_xy : base.u32 |
| var al : base.u8[..= 16] |
| var scratch : base.u32 |
| var limit : base.u32 |
| |
| stride16 = (this.components_workbuf_widths[args.csel] * 16) as base.u64 |
| offset = this.components_workbuf_offsets[args.csel | 4] + |
| ((args.mx as base.u64) * 128) + |
| ((args.my as base.u64) * stride16) |
| if offset <= args.workbuf.length() { |
| this.mcu_blocks[.. 1].bulk_load_host_endian!(src: args.workbuf[offset ..]) |
| } |
| |
| dy = 0 |
| while dy < 5 { |
| my = this.block_smoothing_my_max_incl.min(no_more_than: (args.my + dy) ~sat- 2) |
| dx = 0 |
| while dx < 5, |
| inv dy < 5, |
| { |
| mx = this.block_smoothing_mx_max_incl.min(no_more_than: (args.mx + dx) ~sat- 2) |
| |
| offset = this.components_workbuf_offsets[args.csel | 4] + |
| ((mx as base.u64) * 128) + |
| ((my as base.u64) * stride16) |
| if offset <= args.workbuf.length() { |
| assert dx <= (dx + 1) via "a <= (a + b): 0 <= b"() |
| this.block_smoothing_dc_values[dy][dx .. (dx + 1)].bulk_load_host_endian!(src: args.workbuf[offset ..]) |
| } |
| |
| dx += 1 |
| } endwhile |
| dy += 1 |
| } endwhile |
| |
| q = this.components_tq[args.csel] |
| q_00 = this.quant_tables[q][0x00] as base.u32 |
| if q_00 <= 0 { |
| return nothing |
| } |
| |
| // See "Consider the 8×8" above. |
| // |
| // There are two sets of formulae, adjusting 10 or 5 coefficients: |
| // - Major: 0x00, 0x01, 0x02, 0x03, 0x08, 0x09, 0x0A, 0x10, 0x11, 0x18. |
| // zig0, zig1, zig5, zig6, zig2, zig4, zig7, zig3, zig8, zig9. |
| // - Minor: 0x01, 0x02, 0x08, 0x09, 0x10. |
| // zig1, zig5, zig2, zig4, zig3. |
| // |
| // We only do major smoothing (including DC interpolation) if no AC |
| // coefficients are available. |
| if 0 <> (16 & |
| this.block_smoothing_lowest_scan_al[args.csel][1] & |
| this.block_smoothing_lowest_scan_al[args.csel][2] & |
| this.block_smoothing_lowest_scan_al[args.csel][3] & |
| this.block_smoothing_lowest_scan_al[args.csel][4] & |
| this.block_smoothing_lowest_scan_al[args.csel][5] & |
| this.block_smoothing_lowest_scan_al[args.csel][6] & |
| this.block_smoothing_lowest_scan_al[args.csel][7] & |
| this.block_smoothing_lowest_scan_al[args.csel][8] & |
| this.block_smoothing_lowest_scan_al[args.csel][9]) { |
| // Major smoothing. |
| |
| // Offset=0x00 DC coefficient. Weights total to +256: |
| // |
| // -2 -6 -8 -6 -2 |
| // -6 +6 +42 +6 -6 |
| // -8 +42 +152 +42 -8 |
| // -6 +6 +42 +6 -6 |
| // -2 -6 -8 -6 -2 |
| if true { |
| scratch = 0 |
| |
| scratch ~mod+= 0xFFFF_FFFE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0xFFFF_FFF8 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0xFFFF_FFFE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0006 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_002A ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0006 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0xFFFF_FFF8 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_002A ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0098 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_002A ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0xFFFF_FFF8 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0006 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_002A ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0006 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0xFFFF_FFF8 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0xFFFF_FFFA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0xFFFF_FFFE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (1 << 7)) / (1 << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (1 << 7)) / (1 << 8)) |
| } |
| this.mcu_blocks[0][0x00] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x01 AC coefficient. Weights total to zero: |
| // |
| // -1 -1 0 +1 +1 |
| // -3 +13 0 -13 +3 |
| // -3 +38 0 -38 +3 |
| // -3 +13 0 -13 +3 |
| // -1 -1 0 +1 +1 |
| q_xy = this.quant_tables[q][0x01] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x01] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0xFFFF_FFF3 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0026 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0xFFFF_FFDA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0xFFFF_FFF3 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x01] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x02 AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 +2 -5 +2 0 |
| // +1 +7 -14 +7 +1 |
| // 0 +2 -5 +2 0 |
| // 0 0 0 0 0 |
| q_xy = this.quant_tables[q][0x02] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x02] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0xFFFF_FFFB ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0007 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0xFFFF_FFF2 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0007 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0xFFFF_FFFB ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x02] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x03 AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 +1 0 -1 0 |
| // 0 +2 0 -2 0 |
| // 0 +1 0 -1 0 |
| // 0 0 0 0 0 |
| q_xy = this.quant_tables[q][0x03] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x03] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0xFFFF_FFFE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x03] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x08 AC coefficient. Weights total to zero: |
| // |
| // -1 -3 -3 -3 -1 |
| // -1 +13 +38 +13 -1 |
| // 0 0 0 0 0 |
| // +1 -13 -38 -13 +1 |
| // +1 +3 +3 +3 +1 |
| q_xy = this.quant_tables[q][0x08] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x08] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0026 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0xFFFF_FFF3 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0xFFFF_FFDA ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0xFFFF_FFF3 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x08] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x09 AC coefficient. Weights total to zero: |
| // |
| // -1 0 0 0 +1 |
| // 0 +9 0 -9 0 |
| // 0 0 0 0 0 |
| // 0 -9 0 +9 0 |
| // +1 0 0 0 -1 |
| q_xy = this.quant_tables[q][0x09] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x09] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0009 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0xFFFF_FFF7 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0xFFFF_FFF7 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0009 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x09] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x0A AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 +1 -3 +1 0 |
| // 0 0 0 0 0 |
| // 0 -1 +3 -1 0 |
| // 0 0 0 0 0 |
| q_xy = this.quant_tables[q][0x0A] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x0A] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x0A] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x10 AC coefficient. Weights total to zero: |
| // |
| // 0 0 +1 0 0 |
| // 0 +2 +7 +2 0 |
| // 0 -5 -14 -5 0 |
| // 0 +2 +7 +2 0 |
| // 0 0 +1 0 0 |
| q_xy = this.quant_tables[q][0x10] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x10] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0007 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0xFFFF_FFFB ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0xFFFF_FFF2 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0xFFFF_FFFB ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0007 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x10] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x11 AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 +1 0 -1 0 |
| // 0 -3 0 +3 0 |
| // 0 +1 0 -1 0 |
| // 0 0 0 0 0 |
| q_xy = this.quant_tables[q][0x11] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x11] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0xFFFF_FFFD ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0003 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x11] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x18 AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 +1 +2 +1 0 |
| // 0 0 0 0 0 |
| // 0 -1 -2 -1 0 |
| // 0 0 0 0 0 |
| q_xy = this.quant_tables[q][0x18] as base.u32 |
| if (q_xy > 0) and (this.mcu_blocks[0][0x18] == 0) { |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0002 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0xFFFF_FFFE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } else { |
| scratch = 0 ~mod- (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8)) |
| } |
| this.mcu_blocks[0][0x18] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| } else { |
| // Minor smoothing. |
| |
| // Offset=0x01 AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 0 0 0 0 |
| // -7 +50 0 -50 +7 |
| // 0 0 0 0 0 |
| // 0 0 0 0 0 |
| al = this.block_smoothing_lowest_scan_al[args.csel][1] |
| q_xy = this.quant_tables[q][0x01] as base.u32 |
| if (al > 0) and (q_xy > 0) and (this.mcu_blocks[0][0x01] == 0) { |
| limit = ((1 as base.u32) << al) - 1 |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0xFFFF_FFF9 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0032 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0xFFFF_FFCE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0007 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ limit.min(no_more_than: (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } else { |
| scratch = 0 ~mod- limit.min(no_more_than: (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } |
| this.mcu_blocks[0][0x01] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x02 AC coefficient. Weights total to zero: |
| // |
| // 0 0 0 0 0 |
| // 0 0 0 0 0 |
| // -1 +13 -24 +13 -1 |
| // 0 0 0 0 0 |
| // 0 0 0 0 0 |
| al = this.block_smoothing_lowest_scan_al[args.csel][5] |
| q_xy = this.quant_tables[q][0x02] as base.u32 |
| if (al > 0) and (q_xy > 0) and (this.mcu_blocks[0][0x02] == 0) { |
| limit = ((1 as base.u32) << al) - 1 |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0xFFFF_FFE8 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ limit.min(no_more_than: (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } else { |
| scratch = 0 ~mod- limit.min(no_more_than: (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } |
| this.mcu_blocks[0][0x02] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x08 AC coefficient. Weights total to zero: |
| // |
| // 0 0 -7 0 0 |
| // 0 0 +50 0 0 |
| // 0 0 0 0 0 |
| // 0 0 -50 0 0 |
| // 0 0 +7 0 0 |
| al = this.block_smoothing_lowest_scan_al[args.csel][2] |
| q_xy = this.quant_tables[q][0x08] as base.u32 |
| if (al > 0) and (q_xy > 0) and (this.mcu_blocks[0][0x08] == 0) { |
| limit = ((1 as base.u32) << al) - 1 |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0xFFFF_FFF9 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0032 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0xFFFF_FFCE ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0007 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ limit.min(no_more_than: (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } else { |
| scratch = 0 ~mod- limit.min(no_more_than: (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } |
| this.mcu_blocks[0][0x08] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x09 AC coefficient. Weights total to zero: |
| // |
| // 0 -1 0 +1 0 |
| // -1 +10 0 -10 +1 |
| // 0 0 0 0 0 |
| // +1 -10 0 +10 -1 |
| // 0 +1 0 -1 0 |
| al = this.block_smoothing_lowest_scan_al[args.csel][4] |
| q_xy = this.quant_tables[q][0x09] as base.u32 |
| if (al > 0) and (q_xy > 0) and (this.mcu_blocks[0][0x09] == 0) { |
| limit = ((1 as base.u32) << al) - 1 |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_000A ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0xFFFF_FFF6 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0xFFFF_FFF6 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_000A ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0001 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ limit.min(no_more_than: (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } else { |
| scratch = 0 ~mod- limit.min(no_more_than: (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } |
| this.mcu_blocks[0][0x09] = (scratch & 0xFFFF) as base.u16 |
| } |
| |
| // Offset=0x10 AC coefficient. Weights total to zero: |
| // |
| // 0 0 -1 0 0 |
| // 0 0 +13 0 0 |
| // 0 0 -24 0 0 |
| // 0 0 +13 0 0 |
| // 0 0 -1 0 0 |
| al = this.block_smoothing_lowest_scan_al[args.csel][3] |
| q_xy = this.quant_tables[q][0x10] as base.u32 |
| if (al > 0) and (q_xy > 0) and (this.mcu_blocks[0][0x10] == 0) { |
| limit = ((1 as base.u32) << al) - 1 |
| scratch = 0 |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][1]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[0][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][1]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[1][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][1]) |
| scratch ~mod+= 0xFFFF_FFE8 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[2][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][1]) |
| scratch ~mod+= 0x0000_000D ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[3][4]) |
| |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][0]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][1]) |
| scratch ~mod+= 0xFFFF_FFFF ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][2]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][3]) |
| scratch ~mod+= 0x0000_0000 ~mod* this.util.sign_extend_convert_u16_u32(a: this.block_smoothing_dc_values[4][4]) |
| |
| scratch ~mod*= q_00 |
| if scratch < 0x8000_0000 { |
| scratch = 0 ~mod+ limit.min(no_more_than: (((0 ~mod+ scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } else { |
| scratch = 0 ~mod- limit.min(no_more_than: (((0 ~mod- scratch) ~mod+ (q_xy << 7)) / (q_xy << 8))) |
| } |
| this.mcu_blocks[0][0x10] = (scratch & 0xFFFF) as base.u16 |
| } |
| } |
| } |
