libavcodec/indeo3.c:251: error: Integer Overflow L2
  ([1, +oo] - 2):unsigned32.

libavcodec/indeo3.c:241:5: <LHS trace>
239.     strip->usl7 = 0;
240. 
241.     bit_pos = 0;
         ^
242. 
243.     rle_v1 = rle_v2 = rle_v3 = 0;

libavcodec/indeo3.c:241:5: Assignment
239.     strip->usl7 = 0;
240. 
241.     bit_pos = 0;
         ^
242. 
243.     rle_v1 = rle_v2 = rle_v3 = 0;

libavcodec/indeo3.c:251:9: Binary operation: ([1, +oo] - 2):unsigned32
249.         }
250. 
251.         bit_pos -= 2;
             ^
252.         cmd = (bit_buf >> bit_pos) & 0x03;
253. 

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