static void iv_Decode_Chunk(Indeo3DecodeContext *s, uint8_t *cur, uint8_t *ref, int width, int height, const uint8_t *buf1, int cb_offset, const uint8_t *hdr, const uint8_t *buf2, int min_width_160) { uint8_t bit_buf; unsigned int bit_pos, lv, lv1, lv2; int *width_tbl, width_tbl_arr[10]; const signed char *ref_vectors; uint8_t *cur_frm_pos, *ref_frm_pos, *cp, *cp2; uint32_t *cur_lp, *ref_lp; const uint32_t *correction_lp[2], *correctionloworder_lp[2], *correctionhighorder_lp[2]; uint8_t *correction_type_sp[2]; struct ustr strip_tbl[20], *strip; int i, j, k, lp1, lp2, flag1, cmd, blks_width, blks_height, region_160_width, rle_v1, rle_v2, rle_v3; unsigned short res; bit_buf = 0; ref_vectors = NULL; width_tbl = width_tbl_arr + 1; i = (width < 0 ? width + 3 : width)/4; for(j = -1; j < 8; j++) width_tbl[j] = i * j; strip = strip_tbl; for(region_160_width = 0; region_160_width < (width - min_width_160); region_160_width += min_width_160); strip->ypos = strip->xpos = 0; for(strip->width = min_width_160; width > strip->width; strip->width *= 2); strip->height = height; strip->split_direction = 0; strip->split_flag = 0; strip->usl7 = 0; bit_pos = 0; rle_v1 = rle_v2 = rle_v3 = 0; while(strip >= strip_tbl) { if(bit_pos <= 0) { bit_pos = 8; bit_buf = *buf1++; } bit_pos -= 2; cmd = (bit_buf >> bit_pos) & 0x03; if(cmd == 0) { strip++; if(strip >= strip_tbl + FF_ARRAY_ELEMS(strip_tbl)) { av_log(s->avctx, AV_LOG_WARNING, "out of range strip\n"); break; } memcpy(strip, strip-1, sizeof(*strip)); strip->split_flag = 1; strip->split_direction = 0; strip->height = (strip->height > 8 ? ((strip->height+8)>>4)<<3 : 4); continue; } else if(cmd == 1) { strip++; if(strip >= strip_tbl + FF_ARRAY_ELEMS(strip_tbl)) { av_log(s->avctx, AV_LOG_WARNING, "out of range strip\n"); break; } memcpy(strip, strip-1, sizeof(*strip)); strip->split_flag = 1; strip->split_direction = 1; strip->width = (strip->width > 8 ? ((strip->width+8)>>4)<<3 : 4); continue; } else if(cmd == 2) { if(strip->usl7 == 0) { strip->usl7 = 1; ref_vectors = NULL; continue; } } else if(cmd == 3) { if(strip->usl7 == 0) { strip->usl7 = 1; ref_vectors = (const signed char*)buf2 + (*buf1 * 2); buf1++; continue; } } cur_frm_pos = cur + width * strip->ypos + strip->xpos; if((blks_width = strip->width) < 0) blks_width += 3; blks_width >>= 2; blks_height = strip->height; if(ref_vectors != NULL) { ref_frm_pos = ref + (ref_vectors[0] + strip->ypos) * width + ref_vectors[1] + strip->xpos; } else ref_frm_pos = cur_frm_pos - width_tbl[4]; if(cmd == 2) { if(bit_pos <= 0) { bit_pos = 8; bit_buf = *buf1++; } bit_pos -= 2; cmd = (bit_buf >> bit_pos) & 0x03; if(cmd == 0 || ref_vectors != NULL) { for(lp1 = 0; lp1 < blks_width; lp1++) { for(i = 0, j = 0; i < blks_height; i++, j += width_tbl[1]) ((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)ref_frm_pos)[j]; cur_frm_pos += 4; ref_frm_pos += 4; } } else if(cmd != 1) return; } else { k = *buf1 >> 4; j = *buf1 & 0x0f; buf1++; lv = j + cb_offset; if((lv - 8) <= 7 && (k == 0 || k == 3 || k == 10)) { cp2 = s->ModPred + ((lv - 8) << 7); cp = ref_frm_pos; for(i = 0; i < blks_width << 2; i++) { int v = *cp >> 1; *(cp++) = cp2[v]; } } if(k == 1 || k == 4) { lv = (hdr[j] & 0xf) + cb_offset; correction_type_sp[0] = s->corrector_type + (lv << 8); correction_lp[0] = correction + (lv << 8); lv = (hdr[j] >> 4) + cb_offset; correction_lp[1] = correction + (lv << 8); correction_type_sp[1] = s->corrector_type + (lv << 8); } else { correctionloworder_lp[0] = correctionloworder_lp[1] = correctionloworder + (lv << 8); correctionhighorder_lp[0] = correctionhighorder_lp[1] = correctionhighorder + (lv << 8); correction_type_sp[0] = correction_type_sp[1] = s->corrector_type + (lv << 8); correction_lp[0] = correction_lp[1] = correction + (lv << 8); } switch(k) { case 1: case 0: /********** CASE 0 **********/ for( ; blks_height > 0; blks_height -= 4) { for(lp1 = 0; lp1 < blks_width; lp1++) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2]; ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2]; if ((uint8_t *)cur_lp >= cur_end-3) break; switch(correction_type_sp[0][k]) { case 0: *cur_lp = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); lp2++; break; case 1: res = ((av_le2ne16(((unsigned short *)(ref_lp))[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1; ((unsigned short *)cur_lp)[0] = av_le2ne16(res); res = ((av_le2ne16(((unsigned short *)(ref_lp))[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1; ((unsigned short *)cur_lp)[1] = av_le2ne16(res); buf1++; lp2++; break; case 2: if(lp2 == 0) { for(i = 0, j = 0; i < 2; i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; lp2 += 2; } break; case 3: if(lp2 < 2) { for(i = 0, j = 0; i < (3 - lp2); i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; lp2 = 3; } break; case 8: if(lp2 == 0) { RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) if(rle_v1 == 1 || ref_vectors != NULL) { for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; } RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) break; } else { rle_v1 = 1; rle_v2 = *buf1 - 1; } case 5: LP2_CHECK(buf1,rle_v3,lp2) case 4: for(i = 0, j = 0; i < (4 - lp2); i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; lp2 = 4; break; case 7: if(rle_v3 != 0) rle_v3 = 0; else { buf1--; rle_v3 = 1; } case 6: if(ref_vectors != NULL) { for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; } lp2 = 4; break; case 9: lv1 = *buf1++; lv = (lv1 & 0x7F) << 1; lv += (lv << 8); lv += (lv << 16); for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = lv; LV1_CHECK(buf1,rle_v3,lv1,lp2) break; default: return; } } cur_frm_pos += 4; ref_frm_pos += 4; } cur_frm_pos += ((width - blks_width) * 4); ref_frm_pos += ((width - blks_width) * 4); } break; case 4: case 3: /********** CASE 3 **********/ if(ref_vectors != NULL) return; flag1 = 1; for( ; blks_height > 0; blks_height -= 8) { for(lp1 = 0; lp1 < blks_width; lp1++) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; ref_lp = ((uint32_t *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1]; switch(correction_type_sp[lp2 & 0x01][k]) { case 0: cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); if(lp2 > 0 || flag1 == 0 || strip->ypos != 0) cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; else cur_lp[0] = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); lp2++; break; case 1: res = ((av_le2ne16(((unsigned short *)ref_lp)[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1; ((unsigned short *)cur_lp)[width_tbl[2]] = av_le2ne16(res); res = ((av_le2ne16(((unsigned short *)ref_lp)[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1; ((unsigned short *)cur_lp)[width_tbl[2]+1] = av_le2ne16(res); if(lp2 > 0 || flag1 == 0 || strip->ypos != 0) cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; else cur_lp[0] = cur_lp[width_tbl[1]]; buf1++; lp2++; break; case 2: if(lp2 == 0) { for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = *ref_lp; lp2 += 2; } break; case 3: if(lp2 < 2) { for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1]) cur_lp[j] = *ref_lp; lp2 = 3; } break; case 6: lp2 = 4; break; case 7: if(rle_v3 != 0) rle_v3 = 0; else { buf1--; rle_v3 = 1; } lp2 = 4; break; case 8: if(lp2 == 0) { RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) if(rle_v1 == 1) { for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; } RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) break; } else { rle_v2 = (*buf1) - 1; rle_v1 = 1; } case 5: LP2_CHECK(buf1,rle_v3,lp2) case 4: for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1]) cur_lp[j] = *ref_lp; lp2 = 4; break; case 9: av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n"); lv1 = *buf1++; lv = (lv1 & 0x7F) << 1; lv += (lv << 8); lv += (lv << 16); for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = lv; LV1_CHECK(buf1,rle_v3,lv1,lp2) break; default: return; } } cur_frm_pos += 4; } cur_frm_pos += (((width * 2) - blks_width) * 4); flag1 = 0; } break; case 10: /********** CASE 10 **********/ if(ref_vectors == NULL) { flag1 = 1; for( ; blks_height > 0; blks_height -= 8) { for(lp1 = 0; lp1 < blks_width; lp1 += 2) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; ref_lp = ((uint32_t *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1]; lv1 = ref_lp[0]; lv2 = ref_lp[1]; if(lp2 == 0 && flag1 != 0) { #if HAVE_BIGENDIAN lv1 = lv1 & 0xFF00FF00; lv1 = (lv1 >> 8) | lv1; lv2 = lv2 & 0xFF00FF00; lv2 = (lv2 >> 8) | lv2; #else lv1 = lv1 & 0x00FF00FF; lv1 = (lv1 << 8) | lv1; lv2 = lv2 & 0x00FF00FF; lv2 = (lv2 << 8) | lv2; #endif } switch(correction_type_sp[lp2 & 0x01][k]) { case 0: cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1); cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(lv2) >> 1) + correctionhighorder_lp[lp2 & 0x01][k]) << 1); if(lp2 > 0 || strip->ypos != 0 || flag1 == 0) { cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE; } else { cur_lp[0] = cur_lp[width_tbl[1]]; cur_lp[1] = cur_lp[width_tbl[1]+1]; } lp2++; break; case 1: cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][*buf1]) << 1); cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(lv2) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1); if(lp2 > 0 || strip->ypos != 0 || flag1 == 0) { cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE; } else { cur_lp[0] = cur_lp[width_tbl[1]]; cur_lp[1] = cur_lp[width_tbl[1]+1]; } buf1++; lp2++; break; case 2: if(lp2 == 0) { if(flag1 != 0) { for(i = 0, j = width_tbl[1]; i < 3; i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE; } else { for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } } lp2 += 2; } break; case 3: if(lp2 < 2) { if(lp2 == 0 && flag1 != 0) { for(i = 0, j = width_tbl[1]; i < 5; i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE; } else { for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } } lp2 = 3; } break; case 8: if(lp2 == 0) { RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) if(rle_v1 == 1) { if(flag1 != 0) { for(i = 0, j = width_tbl[1]; i < 7; i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE; } else { for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } } } RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) break; } else { rle_v1 = 1; rle_v2 = (*buf1) - 1; } case 5: LP2_CHECK(buf1,rle_v3,lp2) case 4: if(lp2 == 0 && flag1 != 0) { for(i = 0, j = width_tbl[1]; i < 7; i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE; cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE; } else { for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1]) { cur_lp[j] = lv1; cur_lp[j+1] = lv2; } } lp2 = 4; break; case 6: lp2 = 4; break; case 7: if(lp2 == 0) { if(rle_v3 != 0) rle_v3 = 0; else { buf1--; rle_v3 = 1; } lp2 = 4; } break; case 9: av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n"); lv1 = *buf1; lv = (lv1 & 0x7F) << 1; lv += (lv << 8); lv += (lv << 16); for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) cur_lp[j] = lv; LV1_CHECK(buf1,rle_v3,lv1,lp2) break; default: return; } } cur_frm_pos += 8; } cur_frm_pos += (((width * 2) - blks_width) * 4); flag1 = 0; } } else { for( ; blks_height > 0; blks_height -= 8) { for(lp1 = 0; lp1 < blks_width; lp1 += 2) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2 * 2]; switch(correction_type_sp[lp2 & 0x01][k]) { case 0: lv1 = correctionloworder_lp[lp2 & 0x01][k]; lv2 = correctionhighorder_lp[lp2 & 0x01][k]; cur_lp[0] = av_le2ne32(((av_le2ne32(ref_lp[0]) >> 1) + lv1) << 1); cur_lp[1] = av_le2ne32(((av_le2ne32(ref_lp[1]) >> 1) + lv2) << 1); cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1); cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1); lp2++; break; case 1: lv1 = correctionloworder_lp[lp2 & 0x01][*buf1++]; lv2 = correctionloworder_lp[lp2 & 0x01][k]; cur_lp[0] = av_le2ne32(((av_le2ne32(ref_lp[0]) >> 1) + lv1) << 1); cur_lp[1] = av_le2ne32(((av_le2ne32(ref_lp[1]) >> 1) + lv2) << 1); cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1); cur_lp[width_tbl[1]+1] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1); lp2++; break; case 2: if(lp2 == 0) { for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) { cur_lp[j] = ref_lp[j]; cur_lp[j+1] = ref_lp[j+1]; } lp2 += 2; } break; case 3: if(lp2 < 2) { for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1]) { cur_lp[j] = ref_lp[j]; cur_lp[j+1] = ref_lp[j+1]; } lp2 = 3; } break; case 8: if(lp2 == 0) { RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) { ((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)ref_frm_pos)[j]; ((uint32_t *)cur_frm_pos)[j+1] = ((uint32_t *)ref_frm_pos)[j+1]; } RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) break; } else { rle_v1 = 1; rle_v2 = (*buf1) - 1; } case 5: case 7: LP2_CHECK(buf1,rle_v3,lp2) case 6: case 4: for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1]) { cur_lp[j] = ref_lp[j]; cur_lp[j+1] = ref_lp[j+1]; } lp2 = 4; break; case 9: av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n"); lv1 = *buf1; lv = (lv1 & 0x7F) << 1; lv += (lv << 8); lv += (lv << 16); for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) ((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)cur_frm_pos)[j+1] = lv; LV1_CHECK(buf1,rle_v3,lv1,lp2) break; default: return; } } cur_frm_pos += 8; ref_frm_pos += 8; } cur_frm_pos += (((width * 2) - blks_width) * 4); ref_frm_pos += (((width * 2) - blks_width) * 4); } } break; case 11: /********** CASE 11 **********/ if(ref_vectors == NULL) return; for( ; blks_height > 0; blks_height -= 8) { for(lp1 = 0; lp1 < blks_width; lp1++) { for(lp2 = 0; lp2 < 4; ) { k = *buf1++; cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2]; ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2 * 2]; switch(correction_type_sp[lp2 & 0x01][k]) { case 0: cur_lp[0] = av_le2ne32(((av_le2ne32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); cur_lp[width_tbl[1]] = av_le2ne32(((av_le2ne32(ref_lp[width_tbl[1]]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); lp2++; break; case 1: lv1 = (unsigned short)(correction_lp[lp2 & 0x01][*buf1++]); lv2 = (unsigned short)(correction_lp[lp2 & 0x01][k]); res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[0]) >> 1) + lv1) << 1); ((unsigned short *)cur_lp)[0] = av_le2ne16(res); res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[1]) >> 1) + lv2) << 1); ((unsigned short *)cur_lp)[1] = av_le2ne16(res); res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[width_tbl[2]]) >> 1) + lv1) << 1); ((unsigned short *)cur_lp)[width_tbl[2]] = av_le2ne16(res); res = (unsigned short)(((av_le2ne16(((unsigned short *)ref_lp)[width_tbl[2]+1]) >> 1) + lv2) << 1); ((unsigned short *)cur_lp)[width_tbl[2]+1] = av_le2ne16(res); lp2++; break; case 2: if(lp2 == 0) { for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; lp2 += 2; } break; case 3: if(lp2 < 2) { for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; lp2 = 3; } break; case 8: if(lp2 == 0) { RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) break; } else { rle_v1 = 1; rle_v2 = (*buf1) - 1; } case 5: case 7: LP2_CHECK(buf1,rle_v3,lp2) case 4: case 6: for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1]) cur_lp[j] = ref_lp[j]; lp2 = 4; break; case 9: av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n"); lv1 = *buf1++; lv = (lv1 & 0x7F) << 1; lv += (lv << 8); lv += (lv << 16); for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) cur_lp[j] = lv; LV1_CHECK(buf1,rle_v3,lv1,lp2) break; default: return; } } cur_frm_pos += 4; ref_frm_pos += 4; } cur_frm_pos += (((width * 2) - blks_width) * 4); ref_frm_pos += (((width * 2) - blks_width) * 4); } break; default: return; } } for( ; strip >= strip_tbl; strip--) { if(strip->split_flag != 0) { strip->split_flag = 0; strip->usl7 = (strip-1)->usl7; if(strip->split_direction) { strip->xpos += strip->width; strip->width = (strip-1)->width - strip->width; if(region_160_width <= strip->xpos && width < strip->width + strip->xpos) strip->width = width - strip->xpos; } else { strip->ypos += strip->height; strip->height = (strip-1)->height - strip->height; } break; } } } }