diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c index 5ca651a8fc..991808f3c9 100644 --- a/libavcodec/indeo3.c +++ b/libavcodec/indeo3.c @@ -32,12 +32,12 @@ typedef struct { - uint8_t *Ybuf; - uint8_t *Ubuf; - uint8_t *Vbuf; - unsigned int the_buf_size; - unsigned short y_w, y_h; - unsigned short uv_w, uv_h; + uint8_t *Ybuf; + uint8_t *Ubuf; + uint8_t *Vbuf; + unsigned int the_buf_size; + unsigned short y_w, y_h; + unsigned short uv_w, uv_h; } YUVBufs; typedef struct Indeo3DecodeContext { @@ -55,983 +55,983 @@ typedef struct Indeo3DecodeContext { } Indeo3DecodeContext; static const uint8_t corrector_type_0[24] = { - 195, 159, 133, 115, 101, 93, 87, 77, - 195, 159, 133, 115, 101, 93, 87, 77, - 128, 79, 79, 79, 79, 79, 79, 79 + 195, 159, 133, 115, 101, 93, 87, 77, + 195, 159, 133, 115, 101, 93, 87, 77, + 128, 79, 79, 79, 79, 79, 79, 79 }; static const uint8_t corrector_type_2[8] = { 9, 7, 6, 8, 5, 4, 3, 2 }; static av_cold int build_modpred(Indeo3DecodeContext *s) { - int i, j; + int i, j; - if (!(s->ModPred = av_malloc(8 * 128))) - return AVERROR(ENOMEM); + if (!(s->ModPred = av_malloc(8 * 128))) + return AVERROR(ENOMEM); - for (i=0; i < 128; ++i) { - s->ModPred[i+0*128] = i > 126 ? 254 : 2*(i + 1 - ((i + 1) % 2)); - s->ModPred[i+1*128] = i == 7 ? 20 : - i == 119 || - i == 120 ? 236 : 2*(i + 2 - ((i + 1) % 3)); - s->ModPred[i+2*128] = i > 125 ? 248 : 2*(i + 2 - ((i + 2) % 4)); - s->ModPred[i+3*128] = 2*(i + 1 - ((i - 3) % 5)); - s->ModPred[i+4*128] = i == 8 ? 20 : 2*(i + 1 - ((i - 3) % 6)); - s->ModPred[i+5*128] = 2*(i + 4 - ((i + 3) % 7)); - s->ModPred[i+6*128] = i > 123 ? 240 : 2*(i + 4 - ((i + 4) % 8)); - s->ModPred[i+7*128] = 2*(i + 5 - ((i + 4) % 9)); - } - - if (!(s->corrector_type = av_malloc(24 * 256))) - return AVERROR(ENOMEM); - - for (i=0; i < 24; ++i) { - for (j=0; j < 256; ++j) { - s->corrector_type[i*256+j] = j < corrector_type_0[i] ? 1 : - j < 248 || (i == 16 && j == 248) ? 0 : - corrector_type_2[j - 248]; + for (i=0; i < 128; ++i) { + s->ModPred[i+0*128] = i > 126 ? 254 : 2*(i + 1 - ((i + 1) % 2)); + s->ModPred[i+1*128] = i == 7 ? 20 : + i == 119 || + i == 120 ? 236 : 2*(i + 2 - ((i + 1) % 3)); + s->ModPred[i+2*128] = i > 125 ? 248 : 2*(i + 2 - ((i + 2) % 4)); + s->ModPred[i+3*128] = 2*(i + 1 - ((i - 3) % 5)); + s->ModPred[i+4*128] = i == 8 ? 20 : 2*(i + 1 - ((i - 3) % 6)); + s->ModPred[i+5*128] = 2*(i + 4 - ((i + 3) % 7)); + s->ModPred[i+6*128] = i > 123 ? 240 : 2*(i + 4 - ((i + 4) % 8)); + s->ModPred[i+7*128] = 2*(i + 5 - ((i + 4) % 9)); + } + + if (!(s->corrector_type = av_malloc(24 * 256))) + return AVERROR(ENOMEM); + + for (i=0; i < 24; ++i) { + for (j=0; j < 256; ++j) { + s->corrector_type[i*256+j] = j < corrector_type_0[i] ? 1 : + j < 248 || (i == 16 && j == 248) ? 0 : + corrector_type_2[j - 248]; + } } - } return 0; } static void iv_Decode_Chunk(Indeo3DecodeContext *s, uint8_t *cur, - uint8_t *ref, int width, int height, const uint8_t *buf1, - long fflags2, const uint8_t *hdr, - const uint8_t *buf2, int min_width_160); + uint8_t *ref, int width, int height, const uint8_t *buf1, + long fflags2, const uint8_t *hdr, + const uint8_t *buf2, int min_width_160); /* ---------------------------------------------------------------------- */ static av_cold int iv_alloc_frames(Indeo3DecodeContext *s) { - int luma_width, luma_height, luma_pixels, chroma_width, chroma_height, - chroma_pixels, i; - unsigned int bufsize; + int luma_width, luma_height, luma_pixels, chroma_width, chroma_height, + chroma_pixels, i; + unsigned int bufsize; - luma_width = (s->width + 3) & (~3); - luma_height = (s->height + 3) & (~3); - chroma_width = ((luma_width >> 2) + 3) & (~3); - chroma_height = ((luma_height>> 2) + 3) & (~3); - luma_pixels = luma_width * luma_height; - chroma_pixels = chroma_width * chroma_height; + luma_width = (s->width + 3) & (~3); + luma_height = (s->height + 3) & (~3); + chroma_width = ((luma_width >> 2) + 3) & (~3); + chroma_height = ((luma_height>> 2) + 3) & (~3); + luma_pixels = luma_width * luma_height; + chroma_pixels = chroma_width * chroma_height; - bufsize = luma_pixels * 2 + luma_width * 3 + - (chroma_pixels + chroma_width) * 4; + bufsize = luma_pixels * 2 + luma_width * 3 + + (chroma_pixels + chroma_width) * 4; - if(!(s->buf = av_malloc(bufsize))) - return AVERROR(ENOMEM); - s->iv_frame[0].y_w = s->iv_frame[1].y_w = luma_width; - s->iv_frame[0].y_h = s->iv_frame[1].y_h = luma_height; - s->iv_frame[0].uv_w = s->iv_frame[1].uv_w = chroma_width; - s->iv_frame[0].uv_h = s->iv_frame[1].uv_h = chroma_height; - s->iv_frame[0].the_buf_size = bufsize; + if(!(s->buf = av_malloc(bufsize))) + return AVERROR(ENOMEM); + s->iv_frame[0].y_w = s->iv_frame[1].y_w = luma_width; + s->iv_frame[0].y_h = s->iv_frame[1].y_h = luma_height; + s->iv_frame[0].uv_w = s->iv_frame[1].uv_w = chroma_width; + s->iv_frame[0].uv_h = s->iv_frame[1].uv_h = chroma_height; + s->iv_frame[0].the_buf_size = bufsize; - s->iv_frame[0].Ybuf = s->buf + luma_width; - i = luma_pixels + luma_width * 2; - s->iv_frame[1].Ybuf = s->buf + i; - i += (luma_pixels + luma_width); - s->iv_frame[0].Ubuf = s->buf + i; - i += (chroma_pixels + chroma_width); - s->iv_frame[1].Ubuf = s->buf + i; - i += (chroma_pixels + chroma_width); - s->iv_frame[0].Vbuf = s->buf + i; - i += (chroma_pixels + chroma_width); - s->iv_frame[1].Vbuf = s->buf + i; + s->iv_frame[0].Ybuf = s->buf + luma_width; + i = luma_pixels + luma_width * 2; + s->iv_frame[1].Ybuf = s->buf + i; + i += (luma_pixels + luma_width); + s->iv_frame[0].Ubuf = s->buf + i; + i += (chroma_pixels + chroma_width); + s->iv_frame[1].Ubuf = s->buf + i; + i += (chroma_pixels + chroma_width); + s->iv_frame[0].Vbuf = s->buf + i; + i += (chroma_pixels + chroma_width); + s->iv_frame[1].Vbuf = s->buf + i; - for(i = 1; i <= luma_width; i++) - s->iv_frame[0].Ybuf[-i] = s->iv_frame[1].Ybuf[-i] = - s->iv_frame[0].Ubuf[-i] = 0x80; + for(i = 1; i <= luma_width; i++) + s->iv_frame[0].Ybuf[-i] = s->iv_frame[1].Ybuf[-i] = + s->iv_frame[0].Ubuf[-i] = 0x80; - for(i = 1; i <= chroma_width; i++) { - s->iv_frame[1].Ubuf[-i] = 0x80; - s->iv_frame[0].Vbuf[-i] = 0x80; - s->iv_frame[1].Vbuf[-i] = 0x80; - s->iv_frame[1].Vbuf[chroma_pixels+i-1] = 0x80; - } + for(i = 1; i <= chroma_width; i++) { + s->iv_frame[1].Ubuf[-i] = 0x80; + s->iv_frame[0].Vbuf[-i] = 0x80; + s->iv_frame[1].Vbuf[-i] = 0x80; + s->iv_frame[1].Vbuf[chroma_pixels+i-1] = 0x80; + } - return 0; + return 0; } /* ---------------------------------------------------------------------- */ static av_cold void iv_free_func(Indeo3DecodeContext *s) { - av_free(s->buf); - av_free(s->ModPred); - av_free(s->corrector_type); + av_free(s->buf); + av_free(s->ModPred); + av_free(s->corrector_type); } /* ---------------------------------------------------------------------- */ static unsigned long iv_decode_frame(Indeo3DecodeContext *s, const uint8_t *buf, int buf_size) { - unsigned int hdr_width, hdr_height, - chroma_width, chroma_height; - unsigned long fflags1, fflags2, fflags3, offs1, offs2, offs3, offs; - const uint8_t *hdr_pos, *buf_pos; + unsigned int hdr_width, hdr_height, + chroma_width, chroma_height; + unsigned long fflags1, fflags2, fflags3, offs1, offs2, offs3, offs; + const uint8_t *hdr_pos, *buf_pos; - buf_pos = buf; - buf_pos += 18; + buf_pos = buf; + buf_pos += 18; - fflags1 = bytestream_get_le16(&buf_pos); - fflags3 = bytestream_get_le32(&buf_pos); - fflags2 = *buf_pos++; - buf_pos += 3; - hdr_height = bytestream_get_le16(&buf_pos); - hdr_width = bytestream_get_le16(&buf_pos); + fflags1 = bytestream_get_le16(&buf_pos); + fflags3 = bytestream_get_le32(&buf_pos); + fflags2 = *buf_pos++; + buf_pos += 3; + hdr_height = bytestream_get_le16(&buf_pos); + hdr_width = bytestream_get_le16(&buf_pos); - if(avcodec_check_dimensions(NULL, hdr_width, hdr_height)) - return -1; + if(avcodec_check_dimensions(NULL, hdr_width, hdr_height)) + return -1; - chroma_height = ((hdr_height >> 2) + 3) & 0x7ffc; - chroma_width = ((hdr_width >> 2) + 3) & 0x7ffc; - offs1 = bytestream_get_le32(&buf_pos); - offs2 = bytestream_get_le32(&buf_pos); - offs3 = bytestream_get_le32(&buf_pos); - buf_pos += 4; - hdr_pos = buf_pos; - if(fflags3 == 0x80) return 4; + chroma_height = ((hdr_height >> 2) + 3) & 0x7ffc; + chroma_width = ((hdr_width >> 2) + 3) & 0x7ffc; + offs1 = bytestream_get_le32(&buf_pos); + offs2 = bytestream_get_le32(&buf_pos); + offs3 = bytestream_get_le32(&buf_pos); + buf_pos += 4; + hdr_pos = buf_pos; + if(fflags3 == 0x80) return 4; - if(fflags1 & 0x200) { - s->cur_frame = s->iv_frame + 1; - s->ref_frame = s->iv_frame; - } else { - s->cur_frame = s->iv_frame; - s->ref_frame = s->iv_frame + 1; - } + if(fflags1 & 0x200) { + s->cur_frame = s->iv_frame + 1; + s->ref_frame = s->iv_frame; + } else { + s->cur_frame = s->iv_frame; + s->ref_frame = s->iv_frame + 1; + } - buf_pos = buf + 16 + offs1; - offs = bytestream_get_le32(&buf_pos); + buf_pos = buf + 16 + offs1; + offs = bytestream_get_le32(&buf_pos); - iv_Decode_Chunk(s, s->cur_frame->Ybuf, s->ref_frame->Ybuf, hdr_width, - hdr_height, buf_pos + offs * 2, fflags2, hdr_pos, buf_pos, - FFMIN(hdr_width, 160)); + iv_Decode_Chunk(s, s->cur_frame->Ybuf, s->ref_frame->Ybuf, hdr_width, + hdr_height, buf_pos + offs * 2, fflags2, hdr_pos, buf_pos, + FFMIN(hdr_width, 160)); - if (!(s->avctx->flags & CODEC_FLAG_GRAY)) - { + if (!(s->avctx->flags & CODEC_FLAG_GRAY)) + { - buf_pos = buf + 16 + offs2; - offs = bytestream_get_le32(&buf_pos); + buf_pos = buf + 16 + offs2; + offs = bytestream_get_le32(&buf_pos); - iv_Decode_Chunk(s, s->cur_frame->Vbuf, s->ref_frame->Vbuf, chroma_width, - chroma_height, buf_pos + offs * 2, fflags2, hdr_pos, buf_pos, - FFMIN(chroma_width, 40)); + iv_Decode_Chunk(s, s->cur_frame->Vbuf, s->ref_frame->Vbuf, chroma_width, + chroma_height, buf_pos + offs * 2, fflags2, hdr_pos, buf_pos, + FFMIN(chroma_width, 40)); - buf_pos = buf + 16 + offs3; - offs = bytestream_get_le32(&buf_pos); + buf_pos = buf + 16 + offs3; + offs = bytestream_get_le32(&buf_pos); - iv_Decode_Chunk(s, s->cur_frame->Ubuf, s->ref_frame->Ubuf, chroma_width, - chroma_height, buf_pos + offs * 2, fflags2, hdr_pos, buf_pos, - FFMIN(chroma_width, 40)); + iv_Decode_Chunk(s, s->cur_frame->Ubuf, s->ref_frame->Ubuf, chroma_width, + chroma_height, buf_pos + offs * 2, fflags2, hdr_pos, buf_pos, + FFMIN(chroma_width, 40)); - } + } - return 8; + return 8; } typedef struct { - long xpos; - long ypos; - long width; - long height; - long split_flag; - long split_direction; - long usl7; + long xpos; + long ypos; + long width; + long height; + long split_flag; + long split_direction; + long usl7; } ustr_t; /* ---------------------------------------------------------------------- */ #define LV1_CHECK(buf1,rle_v3,lv1,lp2) \ - if((lv1 & 0x80) != 0) { \ - if(rle_v3 != 0) \ - rle_v3 = 0; \ - else { \ - rle_v3 = 1; \ - buf1 -= 2; \ - } \ - } \ - lp2 = 4; + if((lv1 & 0x80) != 0) { \ + if(rle_v3 != 0) \ + rle_v3 = 0; \ + else { \ + rle_v3 = 1; \ + buf1 -= 2; \ + } \ + } \ + lp2 = 4; #define RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3) \ - if(rle_v3 == 0) { \ - rle_v2 = *buf1; \ - rle_v1 = 1; \ - if(rle_v2 > 32) { \ - rle_v2 -= 32; \ - rle_v1 = 0; \ - } \ - rle_v3 = 1; \ - } \ - buf1--; + if(rle_v3 == 0) { \ + rle_v2 = *buf1; \ + rle_v1 = 1; \ + if(rle_v2 > 32) { \ + rle_v2 -= 32; \ + rle_v1 = 0; \ + } \ + rle_v3 = 1; \ + } \ + buf1--; #define LP2_CHECK(buf1,rle_v3,lp2) \ - if(lp2 == 0 && rle_v3 != 0) \ - rle_v3 = 0; \ - else { \ - buf1--; \ - rle_v3 = 1; \ - } + if(lp2 == 0 && rle_v3 != 0) \ + rle_v3 = 0; \ + else { \ + buf1--; \ + rle_v3 = 1; \ + } #define RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2) \ - rle_v2--; \ - if(rle_v2 == 0) { \ - rle_v3 = 0; \ - buf1 += 2; \ - } \ - lp2 = 4; + rle_v2--; \ + if(rle_v2 == 0) { \ + rle_v3 = 0; \ + buf1 += 2; \ + } \ + lp2 = 4; static void iv_Decode_Chunk(Indeo3DecodeContext *s, - uint8_t *cur, uint8_t *ref, int width, int height, - const uint8_t *buf1, long fflags2, const uint8_t *hdr, - const uint8_t *buf2, int min_width_160) + uint8_t *cur, uint8_t *ref, int width, int height, + const uint8_t *buf1, long fflags2, const uint8_t *hdr, + const uint8_t *buf2, int min_width_160) { - uint8_t bit_buf; - unsigned long bit_pos, lv, lv1, lv2; - long *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]; - ustr_t 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; + uint8_t bit_buf; + unsigned long bit_pos, lv, lv1, lv2; + long *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]; + ustr_t 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; + 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; + 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; + strip = strip_tbl; - for(region_160_width = 0; region_160_width < (width - min_width_160); region_160_width += min_width_160); + 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; + 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; + bit_pos = 0; - rle_v1 = rle_v2 = rle_v3 = 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++; - memcpy(strip, strip-1, sizeof(ustr_t)); - 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++; - memcpy(strip, strip-1, sizeof(ustr_t)); - 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; + while(strip >= strip_tbl) { + if(bit_pos <= 0) { + bit_pos = 8; + bit_buf = *buf1++; } - } else if(cmd != 1) - return; - } else { - k = *buf1 >> 4; - j = *buf1 & 0x0f; - buf1++; - lv = j + fflags2; - 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]; + bit_pos -= 2; + cmd = (bit_buf >> bit_pos) & 0x03; + + if(cmd == 0) { + strip++; + memcpy(strip, strip-1, sizeof(ustr_t)); + 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++; + memcpy(strip, strip-1, sizeof(ustr_t)); + 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; + } } - } - if(k == 1 || k == 4) { - lv = (hdr[j] & 0xf) + fflags2; - correction_type_sp[0] = s->corrector_type + (lv << 8); - correction_lp[0] = correction + (lv << 8); - lv = (hdr[j] >> 4) + fflags2; - 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); - } + cur_frm_pos = cur + width * strip->ypos + strip->xpos; - 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((blks_width = strip->width) < 0) + blks_width += 3; + blks_width >>= 2; + blks_height = strip->height; - switch(correction_type_sp[0][k]) { - case 0: - *cur_lp = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); - lp2++; - break; - case 1: - res = ((le2me_16(((unsigned short *)(ref_lp))[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1; - ((unsigned short *)cur_lp)[0] = le2me_16(res); - res = ((le2me_16(((unsigned short *)(ref_lp))[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1; - ((unsigned short *)cur_lp)[1] = le2me_16(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(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(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; + if(cmd == 2) { + if(bit_pos <= 0) { + bit_pos = 8; + bit_buf = *buf1++; } - cur_frm_pos += ((width - blks_width) * 4); - ref_frm_pos += ((width - blks_width) * 4); - } - break; + bit_pos -= 2; + cmd = (bit_buf >> bit_pos) & 0x03; - 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]] = le2me_32(((le2me_32(*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] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); - lp2++; - break; - - case 1: - res = ((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1; - ((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res); - res = ((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1; - ((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(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; + 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; } - } - - 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) { -#ifdef WORDS_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]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1); - cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][*buf1]) << 1); - cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1); - cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1); - cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1); - cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1); - cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1); - cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1); - cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); - cur_lp[width_tbl[1]] = le2me_32(((le2me_32(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)(((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + lv1) << 1); - ((unsigned short *)cur_lp)[0] = le2me_16(res); - res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + lv2) << 1); - ((unsigned short *)cur_lp)[1] = le2me_16(res); - res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]]) >> 1) + lv1) << 1); - ((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res); - res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]+1]) >> 1) + lv2) << 1); - ((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(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; - } - } - - if(strip < strip_tbl) - 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 if(cmd != 1) + return; } else { - strip->ypos += strip->height; - strip->height = (strip-1)->height - strip->height; + k = *buf1 >> 4; + j = *buf1 & 0x0f; + buf1++; + lv = j + fflags2; + + 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) + fflags2; + correction_type_sp[0] = s->corrector_type + (lv << 8); + correction_lp[0] = correction + (lv << 8); + lv = (hdr[j] >> 4) + fflags2; + 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]; + + switch(correction_type_sp[0][k]) { + case 0: + *cur_lp = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); + lp2++; + break; + case 1: + res = ((le2me_16(((unsigned short *)(ref_lp))[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1; + ((unsigned short *)cur_lp)[0] = le2me_16(res); + res = ((le2me_16(((unsigned short *)(ref_lp))[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1; + ((unsigned short *)cur_lp)[1] = le2me_16(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]] = le2me_32(((le2me_32(*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] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); + lp2++; + break; + + case 1: + res = ((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1; + ((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res); + res = ((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1; + ((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(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) { +#ifdef WORDS_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]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1); + cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][*buf1]) << 1); + cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1); + cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1); + cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1); + cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1); + cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1); + cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1); + cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(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] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1); + cur_lp[width_tbl[1]] = le2me_32(((le2me_32(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)(((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + lv1) << 1); + ((unsigned short *)cur_lp)[0] = le2me_16(res); + res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + lv2) << 1); + ((unsigned short *)cur_lp)[1] = le2me_16(res); + res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]]) >> 1) + lv1) << 1); + ((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res); + res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]+1]) >> 1) + lv2) << 1); + ((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(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; + } + } + + if(strip < strip_tbl) + 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; + } } - break; - } } - } } static av_cold int indeo3_decode_init(AVCodecContext *avctx) @@ -1045,9 +1045,9 @@ static av_cold int indeo3_decode_init(AVCodecContext *avctx) avctx->pix_fmt = PIX_FMT_YUV410P; if (!(ret = build_modpred(s))) - ret = iv_alloc_frames(s); + ret = iv_alloc_frames(s); if (ret) - iv_free_func(s); + iv_free_func(s); return ret; } @@ -1074,28 +1074,28 @@ static int indeo3_decode_frame(AVCodecContext *avctx, src = s->cur_frame->Ybuf; dest = s->frame.data[0]; for (y = 0; y < s->height; y++) { - memcpy(dest, src, s->cur_frame->y_w); - src += s->cur_frame->y_w; - dest += s->frame.linesize[0]; + memcpy(dest, src, s->cur_frame->y_w); + src += s->cur_frame->y_w; + dest += s->frame.linesize[0]; } if (!(s->avctx->flags & CODEC_FLAG_GRAY)) { - src = s->cur_frame->Ubuf; - dest = s->frame.data[1]; - for (y = 0; y < s->height / 4; y++) { - memcpy(dest, src, s->cur_frame->uv_w); - src += s->cur_frame->uv_w; - dest += s->frame.linesize[1]; - } + src = s->cur_frame->Ubuf; + dest = s->frame.data[1]; + for (y = 0; y < s->height / 4; y++) { + memcpy(dest, src, s->cur_frame->uv_w); + src += s->cur_frame->uv_w; + dest += s->frame.linesize[1]; + } - src = s->cur_frame->Vbuf; - dest = s->frame.data[2]; - for (y = 0; y < s->height / 4; y++) { - memcpy(dest, src, s->cur_frame->uv_w); - src += s->cur_frame->uv_w; - dest += s->frame.linesize[2]; - } + src = s->cur_frame->Vbuf; + dest = s->frame.data[2]; + for (y = 0; y < s->height / 4; y++) { + memcpy(dest, src, s->cur_frame->uv_w); + src += s->cur_frame->uv_w; + dest += s->frame.linesize[2]; + } } *data_size=sizeof(AVFrame);