| /* |
| * DSP functions for Indeo Video Interactive codecs (Indeo4 and Indeo5) |
| * |
| * Copyright (c) 2009-2011 Maxim Poliakovski |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * DSP functions (inverse transforms, motion compensation, wavelet recompostions) |
| * for Indeo Video Interactive codecs. |
| */ |
| |
| #include "avcodec.h" |
| #include "ivi.h" |
| #include "ivi_dsp.h" |
| |
| void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst, |
| const int dst_pitch) |
| { |
| int x, y, indx; |
| int32_t p0, p1, p2, p3, tmp0, tmp1, tmp2; |
| int32_t b0_1, b0_2, b1_1, b1_2, b1_3, b2_1, b2_2, b2_3, b2_4, b2_5, b2_6; |
| int32_t b3_1, b3_2, b3_3, b3_4, b3_5, b3_6, b3_7, b3_8, b3_9; |
| int32_t pitch, back_pitch; |
| const short *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr; |
| const int num_bands = 4; |
| |
| /* all bands should have the same pitch */ |
| pitch = plane->bands[0].pitch; |
| |
| /* pixels at the position "y-1" will be set to pixels at the "y" for the 1st iteration */ |
| back_pitch = 0; |
| |
| /* get pointers to the wavelet bands */ |
| b0_ptr = plane->bands[0].buf; |
| b1_ptr = plane->bands[1].buf; |
| b2_ptr = plane->bands[2].buf; |
| b3_ptr = plane->bands[3].buf; |
| |
| for (y = 0; y < plane->height; y += 2) { |
| |
| if (y+2 >= plane->height) |
| pitch= 0; |
| /* load storage variables with values */ |
| if (num_bands > 0) { |
| b0_1 = b0_ptr[0]; |
| b0_2 = b0_ptr[pitch]; |
| } |
| |
| if (num_bands > 1) { |
| b1_1 = b1_ptr[back_pitch]; |
| b1_2 = b1_ptr[0]; |
| b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch]; |
| } |
| |
| if (num_bands > 2) { |
| b2_2 = b2_ptr[0]; // b2[x, y ] |
| b2_3 = b2_2; // b2[x+1,y ] = b2[x,y] |
| b2_5 = b2_ptr[pitch]; // b2[x ,y+1] |
| b2_6 = b2_5; // b2[x+1,y+1] = b2[x,y+1] |
| } |
| |
| if (num_bands > 3) { |
| b3_2 = b3_ptr[back_pitch]; // b3[x ,y-1] |
| b3_3 = b3_2; // b3[x+1,y-1] = b3[x ,y-1] |
| b3_5 = b3_ptr[0]; // b3[x ,y ] |
| b3_6 = b3_5; // b3[x+1,y ] = b3[x ,y ] |
| b3_8 = b3_2 - b3_5*6 + b3_ptr[pitch]; |
| b3_9 = b3_8; |
| } |
| |
| for (x = 0, indx = 0; x < plane->width; x+=2, indx++) { |
| if (x+2 >= plane->width) { |
| b0_ptr --; |
| b1_ptr --; |
| b2_ptr --; |
| b3_ptr --; |
| } |
| |
| /* some values calculated in the previous iterations can */ |
| /* be reused in the next ones, so do appropriate copying */ |
| b2_1 = b2_2; // b2[x-1,y ] = b2[x, y ] |
| b2_2 = b2_3; // b2[x ,y ] = b2[x+1,y ] |
| b2_4 = b2_5; // b2[x-1,y+1] = b2[x ,y+1] |
| b2_5 = b2_6; // b2[x ,y+1] = b2[x+1,y+1] |
| b3_1 = b3_2; // b3[x-1,y-1] = b3[x ,y-1] |
| b3_2 = b3_3; // b3[x ,y-1] = b3[x+1,y-1] |
| b3_4 = b3_5; // b3[x-1,y ] = b3[x ,y ] |
| b3_5 = b3_6; // b3[x ,y ] = b3[x+1,y ] |
| b3_7 = b3_8; // vert_HPF(x-1) |
| b3_8 = b3_9; // vert_HPF(x ) |
| |
| p0 = p1 = p2 = p3 = 0; |
| |
| /* process the LL-band by applying LPF both vertically and horizontally */ |
| if (num_bands > 0) { |
| tmp0 = b0_1; |
| tmp2 = b0_2; |
| b0_1 = b0_ptr[indx+1]; |
| b0_2 = b0_ptr[pitch+indx+1]; |
| tmp1 = tmp0 + b0_1; |
| |
| p0 = tmp0 << 4; |
| p1 = tmp1 << 3; |
| p2 = (tmp0 + tmp2) << 3; |
| p3 = (tmp1 + tmp2 + b0_2) << 2; |
| } |
| |
| /* process the HL-band by applying HPF vertically and LPF horizontally */ |
| if (num_bands > 1) { |
| tmp0 = b1_2; |
| tmp1 = b1_1; |
| b1_2 = b1_ptr[indx+1]; |
| b1_1 = b1_ptr[back_pitch+indx+1]; |
| |
| tmp2 = tmp1 - tmp0*6 + b1_3; |
| b1_3 = b1_1 - b1_2*6 + b1_ptr[pitch+indx+1]; |
| |
| p0 += (tmp0 + tmp1) << 3; |
| p1 += (tmp0 + tmp1 + b1_1 + b1_2) << 2; |
| p2 += tmp2 << 2; |
| p3 += (tmp2 + b1_3) << 1; |
| } |
| |
| /* process the LH-band by applying LPF vertically and HPF horizontally */ |
| if (num_bands > 2) { |
| b2_3 = b2_ptr[indx+1]; |
| b2_6 = b2_ptr[pitch+indx+1]; |
| |
| tmp0 = b2_1 + b2_2; |
| tmp1 = b2_1 - b2_2*6 + b2_3; |
| |
| p0 += tmp0 << 3; |
| p1 += tmp1 << 2; |
| p2 += (tmp0 + b2_4 + b2_5) << 2; |
| p3 += (tmp1 + b2_4 - b2_5*6 + b2_6) << 1; |
| } |
| |
| /* process the HH-band by applying HPF both vertically and horizontally */ |
| if (num_bands > 3) { |
| b3_6 = b3_ptr[indx+1]; // b3[x+1,y ] |
| b3_3 = b3_ptr[back_pitch+indx+1]; // b3[x+1,y-1] |
| |
| tmp0 = b3_1 + b3_4; |
| tmp1 = b3_2 + b3_5; |
| tmp2 = b3_3 + b3_6; |
| |
| b3_9 = b3_3 - b3_6*6 + b3_ptr[pitch+indx+1]; |
| |
| p0 += (tmp0 + tmp1) << 2; |
| p1 += (tmp0 - tmp1*6 + tmp2) << 1; |
| p2 += (b3_7 + b3_8) << 1; |
| p3 += b3_7 - b3_8*6 + b3_9; |
| } |
| |
| /* output four pixels */ |
| dst[x] = av_clip_uint8((p0 >> 6) + 128); |
| dst[x+1] = av_clip_uint8((p1 >> 6) + 128); |
| dst[dst_pitch+x] = av_clip_uint8((p2 >> 6) + 128); |
| dst[dst_pitch+x+1] = av_clip_uint8((p3 >> 6) + 128); |
| }// for x |
| |
| dst += dst_pitch << 1; |
| |
| back_pitch = -pitch; |
| |
| b0_ptr += pitch + 1; |
| b1_ptr += pitch + 1; |
| b2_ptr += pitch + 1; |
| b3_ptr += pitch + 1; |
| } |
| } |
| |
| void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst, |
| const int dst_pitch) |
| { |
| int x, y, indx, b0, b1, b2, b3, p0, p1, p2, p3; |
| const short *b0_ptr, *b1_ptr, *b2_ptr, *b3_ptr; |
| int32_t pitch; |
| |
| /* all bands should have the same pitch */ |
| pitch = plane->bands[0].pitch; |
| |
| /* get pointers to the wavelet bands */ |
| b0_ptr = plane->bands[0].buf; |
| b1_ptr = plane->bands[1].buf; |
| b2_ptr = plane->bands[2].buf; |
| b3_ptr = plane->bands[3].buf; |
| |
| for (y = 0; y < plane->height; y += 2) { |
| for (x = 0, indx = 0; x < plane->width; x += 2, indx++) { |
| /* load coefficients */ |
| b0 = b0_ptr[indx]; //should be: b0 = (num_bands > 0) ? b0_ptr[indx] : 0; |
| b1 = b1_ptr[indx]; //should be: b1 = (num_bands > 1) ? b1_ptr[indx] : 0; |
| b2 = b2_ptr[indx]; //should be: b2 = (num_bands > 2) ? b2_ptr[indx] : 0; |
| b3 = b3_ptr[indx]; //should be: b3 = (num_bands > 3) ? b3_ptr[indx] : 0; |
| |
| /* haar wavelet recomposition */ |
| p0 = (b0 + b1 + b2 + b3 + 2) >> 2; |
| p1 = (b0 + b1 - b2 - b3 + 2) >> 2; |
| p2 = (b0 - b1 + b2 - b3 + 2) >> 2; |
| p3 = (b0 - b1 - b2 + b3 + 2) >> 2; |
| |
| /* bias, convert and output four pixels */ |
| dst[x] = av_clip_uint8(p0 + 128); |
| dst[x + 1] = av_clip_uint8(p1 + 128); |
| dst[dst_pitch + x] = av_clip_uint8(p2 + 128); |
| dst[dst_pitch + x + 1] = av_clip_uint8(p3 + 128); |
| }// for x |
| |
| dst += dst_pitch << 1; |
| |
| b0_ptr += pitch; |
| b1_ptr += pitch; |
| b2_ptr += pitch; |
| b3_ptr += pitch; |
| }// for y |
| } |
| |
| /** butterfly operation for the inverse Haar transform */ |
| #define IVI_HAAR_BFLY(s1, s2, o1, o2, t) \ |
| t = ((s1) - (s2)) >> 1;\ |
| o1 = ((s1) + (s2)) >> 1;\ |
| o2 = (t);\ |
| |
| /** inverse 8-point Haar transform */ |
| #define INV_HAAR8(s1, s5, s3, s7, s2, s4, s6, s8,\ |
| d1, d2, d3, d4, d5, d6, d7, d8,\ |
| t0, t1, t2, t3, t4, t5, t6, t7, t8) {\ |
| t1 = (s1) << 1; t5 = (s5) << 1;\ |
| IVI_HAAR_BFLY(t1, t5, t1, t5, t0); IVI_HAAR_BFLY(t1, s3, t1, t3, t0);\ |
| IVI_HAAR_BFLY(t5, s7, t5, t7, t0); IVI_HAAR_BFLY(t1, s2, t1, t2, t0);\ |
| IVI_HAAR_BFLY(t3, s4, t3, t4, t0); IVI_HAAR_BFLY(t5, s6, t5, t6, t0);\ |
| IVI_HAAR_BFLY(t7, s8, t7, t8, t0);\ |
| d1 = COMPENSATE(t1);\ |
| d2 = COMPENSATE(t2);\ |
| d3 = COMPENSATE(t3);\ |
| d4 = COMPENSATE(t4);\ |
| d5 = COMPENSATE(t5);\ |
| d6 = COMPENSATE(t6);\ |
| d7 = COMPENSATE(t7);\ |
| d8 = COMPENSATE(t8); } |
| |
| /** inverse 4-point Haar transform */ |
| #define INV_HAAR4(s1, s3, s5, s7, d1, d2, d3, d4, t0, t1, t2, t3, t4) {\ |
| IVI_HAAR_BFLY(s1, s3, t0, t1, t4);\ |
| IVI_HAAR_BFLY(t0, s5, t2, t3, t4);\ |
| d1 = COMPENSATE(t2);\ |
| d2 = COMPENSATE(t3);\ |
| IVI_HAAR_BFLY(t1, s7, t2, t3, t4);\ |
| d3 = COMPENSATE(t2);\ |
| d4 = COMPENSATE(t3); } |
| |
| void ff_ivi_inverse_haar_8x8(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int i, shift, sp1, sp2, sp3, sp4; |
| const int32_t *src; |
| int32_t *dst; |
| int tmp[64]; |
| int t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| |
| /* apply the InvHaar8 to all columns */ |
| #define COMPENSATE(x) (x) |
| src = in; |
| dst = tmp; |
| for (i = 0; i < 8; i++) { |
| if (flags[i]) { |
| /* pre-scaling */ |
| shift = !(i & 4); |
| sp1 = src[ 0] << shift; |
| sp2 = src[ 8] << shift; |
| sp3 = src[16] << shift; |
| sp4 = src[24] << shift; |
| INV_HAAR8( sp1, sp2, sp3, sp4, |
| src[32], src[40], src[48], src[56], |
| dst[ 0], dst[ 8], dst[16], dst[24], |
| dst[32], dst[40], dst[48], dst[56], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } else |
| dst[ 0] = dst[ 8] = dst[16] = dst[24] = |
| dst[32] = dst[40] = dst[48] = dst[56] = 0; |
| |
| src++; |
| dst++; |
| } |
| #undef COMPENSATE |
| |
| /* apply the InvHaar8 to all rows */ |
| #define COMPENSATE(x) (x) |
| src = tmp; |
| for (i = 0; i < 8; i++) { |
| if ( !src[0] && !src[1] && !src[2] && !src[3] |
| && !src[4] && !src[5] && !src[6] && !src[7]) { |
| memset(out, 0, 8 * sizeof(out[0])); |
| } else { |
| INV_HAAR8(src[0], src[1], src[2], src[3], |
| src[4], src[5], src[6], src[7], |
| out[0], out[1], out[2], out[3], |
| out[4], out[5], out[6], out[7], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } |
| src += 8; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_row_haar8(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int i; |
| int t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| |
| /* apply the InvHaar8 to all rows */ |
| #define COMPENSATE(x) (x) |
| for (i = 0; i < 8; i++) { |
| if ( !in[0] && !in[1] && !in[2] && !in[3] |
| && !in[4] && !in[5] && !in[6] && !in[7]) { |
| memset(out, 0, 8 * sizeof(out[0])); |
| } else { |
| INV_HAAR8(in[0], in[1], in[2], in[3], |
| in[4], in[5], in[6], in[7], |
| out[0], out[1], out[2], out[3], |
| out[4], out[5], out[6], out[7], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } |
| in += 8; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_col_haar8(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int i; |
| int t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| |
| /* apply the InvHaar8 to all columns */ |
| #define COMPENSATE(x) (x) |
| for (i = 0; i < 8; i++) { |
| if (flags[i]) { |
| INV_HAAR8(in[ 0], in[ 8], in[16], in[24], |
| in[32], in[40], in[48], in[56], |
| out[0 * pitch], out[1 * pitch], |
| out[2 * pitch], out[3 * pitch], |
| out[4 * pitch], out[5 * pitch], |
| out[6 * pitch], out[7 * pitch], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } else |
| out[0 * pitch] = out[1 * pitch] = |
| out[2 * pitch] = out[3 * pitch] = |
| out[4 * pitch] = out[5 * pitch] = |
| out[6 * pitch] = out[7 * pitch] = 0; |
| |
| in++; |
| out++; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_inverse_haar_4x4(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int i, shift, sp1, sp2; |
| const int32_t *src; |
| int32_t *dst; |
| int tmp[16]; |
| int t0, t1, t2, t3, t4; |
| |
| /* apply the InvHaar4 to all columns */ |
| #define COMPENSATE(x) (x) |
| src = in; |
| dst = tmp; |
| for (i = 0; i < 4; i++) { |
| if (flags[i]) { |
| /* pre-scaling */ |
| shift = !(i & 2); |
| sp1 = src[0] << shift; |
| sp2 = src[4] << shift; |
| INV_HAAR4( sp1, sp2, src[8], src[12], |
| dst[0], dst[4], dst[8], dst[12], |
| t0, t1, t2, t3, t4); |
| } else |
| dst[0] = dst[4] = dst[8] = dst[12] = 0; |
| |
| src++; |
| dst++; |
| } |
| #undef COMPENSATE |
| |
| /* apply the InvHaar8 to all rows */ |
| #define COMPENSATE(x) (x) |
| src = tmp; |
| for (i = 0; i < 4; i++) { |
| if (!src[0] && !src[1] && !src[2] && !src[3]) { |
| memset(out, 0, 4 * sizeof(out[0])); |
| } else { |
| INV_HAAR4(src[0], src[1], src[2], src[3], |
| out[0], out[1], out[2], out[3], |
| t0, t1, t2, t3, t4); |
| } |
| src += 4; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_row_haar4(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int i; |
| int t0, t1, t2, t3, t4; |
| |
| /* apply the InvHaar4 to all rows */ |
| #define COMPENSATE(x) (x) |
| for (i = 0; i < 4; i++) { |
| if (!in[0] && !in[1] && !in[2] && !in[3]) { |
| memset(out, 0, 4 * sizeof(out[0])); |
| } else { |
| INV_HAAR4(in[0], in[1], in[2], in[3], |
| out[0], out[1], out[2], out[3], |
| t0, t1, t2, t3, t4); |
| } |
| in += 4; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_col_haar4(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int i; |
| int t0, t1, t2, t3, t4; |
| |
| /* apply the InvHaar8 to all columns */ |
| #define COMPENSATE(x) (x) |
| for (i = 0; i < 4; i++) { |
| if (flags[i]) { |
| INV_HAAR4(in[0], in[4], in[8], in[12], |
| out[0 * pitch], out[1 * pitch], |
| out[2 * pitch], out[3 * pitch], |
| t0, t1, t2, t3, t4); |
| } else |
| out[0 * pitch] = out[1 * pitch] = |
| out[2 * pitch] = out[3 * pitch] = 0; |
| |
| in++; |
| out++; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_dc_haar_2d(const int32_t *in, int16_t *out, uint32_t pitch, |
| int blk_size) |
| { |
| int x, y; |
| int16_t dc_coeff; |
| |
| dc_coeff = (*in + 0) >> 3; |
| |
| for (y = 0; y < blk_size; out += pitch, y++) { |
| for (x = 0; x < blk_size; x++) |
| out[x] = dc_coeff; |
| } |
| } |
| |
| /** butterfly operation for the inverse slant transform */ |
| #define IVI_SLANT_BFLY(s1, s2, o1, o2, t) \ |
| t = (s1) - (s2);\ |
| o1 = (s1) + (s2);\ |
| o2 = (t);\ |
| |
| /** This is a reflection a,b = 1/2, 5/4 for the inverse slant transform */ |
| #define IVI_IREFLECT(s1, s2, o1, o2, t) \ |
| t = (((s1) + (s2)*2 + 2) >> 2) + (s1);\ |
| o2 = (((s1)*2 - (s2) + 2) >> 2) - (s2);\ |
| o1 = (t);\ |
| |
| /** This is a reflection a,b = 1/2, 7/8 for the inverse slant transform */ |
| #define IVI_SLANT_PART4(s1, s2, o1, o2, t) \ |
| t = (s2) + (((s1)*4 - (s2) + 4) >> 3);\ |
| o2 = (s1) + ((-(s1) - (s2)*4 + 4) >> 3);\ |
| o1 = (t);\ |
| |
| /** inverse slant8 transform */ |
| #define IVI_INV_SLANT8(s1, s4, s8, s5, s2, s6, s3, s7,\ |
| d1, d2, d3, d4, d5, d6, d7, d8,\ |
| t0, t1, t2, t3, t4, t5, t6, t7, t8) {\ |
| IVI_SLANT_PART4(s4, s5, t4, t5, t0);\ |
| \ |
| IVI_SLANT_BFLY(s1, t5, t1, t5, t0); IVI_SLANT_BFLY(s2, s6, t2, t6, t0);\ |
| IVI_SLANT_BFLY(s7, s3, t7, t3, t0); IVI_SLANT_BFLY(t4, s8, t4, t8, t0);\ |
| \ |
| IVI_SLANT_BFLY(t1, t2, t1, t2, t0); IVI_IREFLECT (t4, t3, t4, t3, t0);\ |
| IVI_SLANT_BFLY(t5, t6, t5, t6, t0); IVI_IREFLECT (t8, t7, t8, t7, t0);\ |
| IVI_SLANT_BFLY(t1, t4, t1, t4, t0); IVI_SLANT_BFLY(t2, t3, t2, t3, t0);\ |
| IVI_SLANT_BFLY(t5, t8, t5, t8, t0); IVI_SLANT_BFLY(t6, t7, t6, t7, t0);\ |
| d1 = COMPENSATE(t1);\ |
| d2 = COMPENSATE(t2);\ |
| d3 = COMPENSATE(t3);\ |
| d4 = COMPENSATE(t4);\ |
| d5 = COMPENSATE(t5);\ |
| d6 = COMPENSATE(t6);\ |
| d7 = COMPENSATE(t7);\ |
| d8 = COMPENSATE(t8);} |
| |
| /** inverse slant4 transform */ |
| #define IVI_INV_SLANT4(s1, s4, s2, s3, d1, d2, d3, d4, t0, t1, t2, t3, t4) {\ |
| IVI_SLANT_BFLY(s1, s2, t1, t2, t0); IVI_IREFLECT (s4, s3, t4, t3, t0);\ |
| \ |
| IVI_SLANT_BFLY(t1, t4, t1, t4, t0); IVI_SLANT_BFLY(t2, t3, t2, t3, t0);\ |
| d1 = COMPENSATE(t1);\ |
| d2 = COMPENSATE(t2);\ |
| d3 = COMPENSATE(t3);\ |
| d4 = COMPENSATE(t4);} |
| |
| void ff_ivi_inverse_slant_8x8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
| { |
| int i; |
| const int32_t *src; |
| int32_t *dst; |
| int tmp[64]; |
| int t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| |
| #define COMPENSATE(x) (x) |
| src = in; |
| dst = tmp; |
| for (i = 0; i < 8; i++) { |
| if (flags[i]) { |
| IVI_INV_SLANT8(src[0], src[8], src[16], src[24], src[32], src[40], src[48], src[56], |
| dst[0], dst[8], dst[16], dst[24], dst[32], dst[40], dst[48], dst[56], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } else |
| dst[0] = dst[8] = dst[16] = dst[24] = dst[32] = dst[40] = dst[48] = dst[56] = 0; |
| |
| src++; |
| dst++; |
| } |
| #undef COMPENSATE |
| |
| #define COMPENSATE(x) (((x) + 1)>>1) |
| src = tmp; |
| for (i = 0; i < 8; i++) { |
| if (!src[0] && !src[1] && !src[2] && !src[3] && !src[4] && !src[5] && !src[6] && !src[7]) { |
| memset(out, 0, 8*sizeof(out[0])); |
| } else { |
| IVI_INV_SLANT8(src[0], src[1], src[2], src[3], src[4], src[5], src[6], src[7], |
| out[0], out[1], out[2], out[3], out[4], out[5], out[6], out[7], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } |
| src += 8; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_inverse_slant_4x4(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
| { |
| int i; |
| const int32_t *src; |
| int32_t *dst; |
| int tmp[16]; |
| int t0, t1, t2, t3, t4; |
| |
| #define COMPENSATE(x) (x) |
| src = in; |
| dst = tmp; |
| for (i = 0; i < 4; i++) { |
| if (flags[i]) { |
| IVI_INV_SLANT4(src[0], src[4], src[8], src[12], |
| dst[0], dst[4], dst[8], dst[12], |
| t0, t1, t2, t3, t4); |
| } else |
| dst[0] = dst[4] = dst[8] = dst[12] = 0; |
| |
| src++; |
| dst++; |
| } |
| #undef COMPENSATE |
| |
| #define COMPENSATE(x) (((x) + 1)>>1) |
| src = tmp; |
| for (i = 0; i < 4; i++) { |
| if (!src[0] && !src[1] && !src[2] && !src[3]) { |
| out[0] = out[1] = out[2] = out[3] = 0; |
| } else { |
| IVI_INV_SLANT4(src[0], src[1], src[2], src[3], |
| out[0], out[1], out[2], out[3], |
| t0, t1, t2, t3, t4); |
| } |
| src += 4; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_dc_slant_2d(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
| { |
| int x, y; |
| int16_t dc_coeff; |
| |
| dc_coeff = (*in + 1) >> 1; |
| |
| for (y = 0; y < blk_size; out += pitch, y++) { |
| for (x = 0; x < blk_size; x++) |
| out[x] = dc_coeff; |
| } |
| } |
| |
| void ff_ivi_row_slant8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
| { |
| int i; |
| int t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| |
| #define COMPENSATE(x) (((x) + 1)>>1) |
| for (i = 0; i < 8; i++) { |
| if (!in[0] && !in[1] && !in[2] && !in[3] && !in[4] && !in[5] && !in[6] && !in[7]) { |
| memset(out, 0, 8*sizeof(out[0])); |
| } else { |
| IVI_INV_SLANT8( in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7], |
| out[0], out[1], out[2], out[3], out[4], out[5], out[6], out[7], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } |
| in += 8; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_dc_row_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
| { |
| int x, y; |
| int16_t dc_coeff; |
| |
| dc_coeff = (*in + 1) >> 1; |
| |
| for (x = 0; x < blk_size; x++) |
| out[x] = dc_coeff; |
| |
| out += pitch; |
| |
| for (y = 1; y < blk_size; out += pitch, y++) { |
| for (x = 0; x < blk_size; x++) |
| out[x] = 0; |
| } |
| } |
| |
| void ff_ivi_col_slant8(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
| { |
| int i, row2, row4, row8; |
| int t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| |
| row2 = pitch << 1; |
| row4 = pitch << 2; |
| row8 = pitch << 3; |
| |
| #define COMPENSATE(x) (((x) + 1)>>1) |
| for (i = 0; i < 8; i++) { |
| if (flags[i]) { |
| IVI_INV_SLANT8(in[0], in[8], in[16], in[24], in[32], in[40], in[48], in[56], |
| out[0], out[pitch], out[row2], out[row2 + pitch], out[row4], |
| out[row4 + pitch], out[row4 + row2], out[row8 - pitch], |
| t0, t1, t2, t3, t4, t5, t6, t7, t8); |
| } else { |
| out[0] = out[pitch] = out[row2] = out[row2 + pitch] = out[row4] = |
| out[row4 + pitch] = out[row4 + row2] = out[row8 - pitch] = 0; |
| } |
| |
| in++; |
| out++; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_dc_col_slant(const int32_t *in, int16_t *out, uint32_t pitch, int blk_size) |
| { |
| int x, y; |
| int16_t dc_coeff; |
| |
| dc_coeff = (*in + 1) >> 1; |
| |
| for (y = 0; y < blk_size; out += pitch, y++) { |
| out[0] = dc_coeff; |
| for (x = 1; x < blk_size; x++) |
| out[x] = 0; |
| } |
| } |
| |
| void ff_ivi_row_slant4(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
| { |
| int i; |
| int t0, t1, t2, t3, t4; |
| |
| #define COMPENSATE(x) (((x) + 1)>>1) |
| for (i = 0; i < 4; i++) { |
| if (!in[0] && !in[1] && !in[2] && !in[3]) { |
| memset(out, 0, 4*sizeof(out[0])); |
| } else { |
| IVI_INV_SLANT4( in[0], in[1], in[2], in[3], |
| out[0], out[1], out[2], out[3], |
| t0, t1, t2, t3, t4); |
| } |
| in += 4; |
| out += pitch; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_col_slant4(const int32_t *in, int16_t *out, uint32_t pitch, const uint8_t *flags) |
| { |
| int i, row2; |
| int t0, t1, t2, t3, t4; |
| |
| row2 = pitch << 1; |
| |
| #define COMPENSATE(x) (((x) + 1)>>1) |
| for (i = 0; i < 4; i++) { |
| if (flags[i]) { |
| IVI_INV_SLANT4(in[0], in[4], in[8], in[12], |
| out[0], out[pitch], out[row2], out[row2 + pitch], |
| t0, t1, t2, t3, t4); |
| } else { |
| out[0] = out[pitch] = out[row2] = out[row2 + pitch] = 0; |
| } |
| |
| in++; |
| out++; |
| } |
| #undef COMPENSATE |
| } |
| |
| void ff_ivi_put_pixels_8x8(const int32_t *in, int16_t *out, uint32_t pitch, |
| const uint8_t *flags) |
| { |
| int x, y; |
| |
| for (y = 0; y < 8; out += pitch, in += 8, y++) |
| for (x = 0; x < 8; x++) |
| out[x] = in[x]; |
| } |
| |
| void ff_ivi_put_dc_pixel_8x8(const int32_t *in, int16_t *out, uint32_t pitch, |
| int blk_size) |
| { |
| int y; |
| |
| out[0] = in[0]; |
| memset(out + 1, 0, 7*sizeof(out[0])); |
| out += pitch; |
| |
| for (y = 1; y < 8; out += pitch, y++) |
| memset(out, 0, 8*sizeof(out[0])); |
| } |
| |
| #define IVI_MC_TEMPLATE(size, suffix, OP) \ |
| static void ivi_mc_ ## size ##x## size ## suffix(int16_t *buf, \ |
| uint32_t dpitch, \ |
| const int16_t *ref_buf, \ |
| uint32_t pitch, int mc_type) \ |
| { \ |
| int i, j; \ |
| const int16_t *wptr; \ |
| \ |
| switch (mc_type) { \ |
| case 0: /* fullpel (no interpolation) */ \ |
| for (i = 0; i < size; i++, buf += dpitch, ref_buf += pitch) { \ |
| for (j = 0; j < size; j++) {\ |
| OP(buf[j], ref_buf[j]); \ |
| } \ |
| } \ |
| break; \ |
| case 1: /* horizontal halfpel interpolation */ \ |
| for (i = 0; i < size; i++, buf += dpitch, ref_buf += pitch) \ |
| for (j = 0; j < size; j++) \ |
| OP(buf[j], (ref_buf[j] + ref_buf[j+1]) >> 1); \ |
| break; \ |
| case 2: /* vertical halfpel interpolation */ \ |
| wptr = ref_buf + pitch; \ |
| for (i = 0; i < size; i++, buf += dpitch, wptr += pitch, ref_buf += pitch) \ |
| for (j = 0; j < size; j++) \ |
| OP(buf[j], (ref_buf[j] + wptr[j]) >> 1); \ |
| break; \ |
| case 3: /* vertical and horizontal halfpel interpolation */ \ |
| wptr = ref_buf + pitch; \ |
| for (i = 0; i < size; i++, buf += dpitch, wptr += pitch, ref_buf += pitch) \ |
| for (j = 0; j < size; j++) \ |
| OP(buf[j], (ref_buf[j] + ref_buf[j+1] + wptr[j] + wptr[j+1]) >> 2); \ |
| break; \ |
| } \ |
| } \ |
| \ |
| void ff_ivi_mc_ ## size ##x## size ## suffix(int16_t *buf, const int16_t *ref_buf, \ |
| uint32_t pitch, int mc_type) \ |
| { \ |
| ivi_mc_ ## size ##x## size ## suffix(buf, pitch, ref_buf, pitch, mc_type); \ |
| } \ |
| |
| #define IVI_MC_AVG_TEMPLATE(size, suffix, OP) \ |
| void ff_ivi_mc_avg_ ## size ##x## size ## suffix(int16_t *buf, \ |
| const int16_t *ref_buf, \ |
| const int16_t *ref_buf2, \ |
| uint32_t pitch, \ |
| int mc_type, int mc_type2) \ |
| { \ |
| int16_t tmp[size * size]; \ |
| int i, j; \ |
| \ |
| ivi_mc_ ## size ##x## size ## _no_delta(tmp, size, ref_buf, pitch, mc_type); \ |
| ivi_mc_ ## size ##x## size ## _delta(tmp, size, ref_buf2, pitch, mc_type2); \ |
| for (i = 0; i < size; i++, buf += pitch) { \ |
| for (j = 0; j < size; j++) {\ |
| OP(buf[j], tmp[i * size + j] >> 1); \ |
| } \ |
| } \ |
| } \ |
| |
| #define OP_PUT(a, b) (a) = (b) |
| #define OP_ADD(a, b) (a) += (b) |
| |
| IVI_MC_TEMPLATE(8, _no_delta, OP_PUT) |
| IVI_MC_TEMPLATE(8, _delta, OP_ADD) |
| IVI_MC_TEMPLATE(4, _no_delta, OP_PUT) |
| IVI_MC_TEMPLATE(4, _delta, OP_ADD) |
| IVI_MC_AVG_TEMPLATE(8, _no_delta, OP_PUT) |
| IVI_MC_AVG_TEMPLATE(8, _delta, OP_ADD) |
| IVI_MC_AVG_TEMPLATE(4, _no_delta, OP_PUT) |
| IVI_MC_AVG_TEMPLATE(4, _delta, OP_ADD) |
