34 #define BITSTREAM_READER_LE 50 {8, {0, 4, 5, 4, 4, 4, 6, 6}},
51 {12, {0, 2, 2, 3, 3, 3, 3, 5, 3, 2, 2, 2}},
52 {12, {0, 2, 3, 4, 3, 3, 3, 3, 4, 3, 2, 2}},
53 {12, {0, 3, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2}},
54 {13, {0, 4, 4, 3, 3, 3, 3, 2, 3, 3, 2, 1, 1}},
55 {9, {0, 4, 4, 4, 4, 3, 3, 3, 2}},
56 {10, {0, 4, 4, 4, 4, 3, 3, 2, 2, 2}},
57 {12, {0, 4, 4, 4, 3, 3, 2, 3, 2, 2, 2, 2}}
62 {10, {1, 2, 3, 4, 4, 7, 5, 5, 4, 1}},
63 {11, {2, 3, 4, 4, 4, 7, 5, 4, 3, 3, 2}},
64 {12, {2, 4, 5, 5, 5, 5, 6, 4, 4, 3, 1, 1}},
65 {13, {3, 3, 4, 4, 5, 6, 6, 4, 4, 3, 2, 1, 1}},
66 {11, {3, 4, 4, 5, 5, 5, 6, 5, 4, 2, 2}},
67 {13, {3, 4, 5, 5, 5, 5, 6, 4, 3, 3, 2, 1, 1}},
68 {13, {3, 4, 5, 5, 5, 6, 5, 4, 3, 3, 2, 1, 1}},
69 {9, {3, 4, 4, 5, 5, 5, 6, 5, 5}}
76 ptrdiff_t pitch,
int mc_type);
78 const int16_t *ref_buf2,
79 ptrdiff_t pitch,
int mc_type,
int mc_type2);
82 int offs,
int mv_x,
int mv_y,
int mv_x2,
int mv_y2,
83 int mc_type,
int mc_type2)
85 int ref_offs = offs + mv_y * band->
pitch + mv_x;
88 int ref_size = (mc_type > 1) * band->
pitch + (mc_type & 1);
93 av_assert0(buf_size - min_size - ref_size >= ref_offs);
99 int ref_offs2 = offs + mv_y2 * band->
pitch + mv_x2;
100 int ref_size2 = (mc_type2 > 1) * band->
pitch + (mc_type2 & 1);
101 if (offs < 0 || ref_offs2 < 0 || !band->b_ref_buf)
103 if (buf_size - min_size - ref_size2 < ref_offs2)
108 band->
pitch, mc_type2);
110 mc_avg(band->
buf + offs, band->
ref_buf + ref_offs,
146 int pos,
i, j, codes_per_row, prefix, not_last_row;
147 uint16_t codewords[256];
152 for (i = 0; i < cb->
num_rows; i++) {
153 codes_per_row = 1 << cb->
xbits[
i];
154 not_last_row = (i != cb->
num_rows - 1);
155 prefix = ((1 <<
i) - 1) << (cb->
xbits[
i] + not_last_row);
157 for (j = 0; j < codes_per_row; j++) {
161 bits[
pos] = i + cb->
xbits[
i] + not_last_row;
165 codewords[
pos] =
inv_bits((prefix | j), bits[pos]);
182 static int initialized_vlcs = 0;
184 if (initialized_vlcs)
186 for (i = 0; i < 8; i++) {
187 ivi_mb_vlc_tabs[
i].
table = table_data + i * 2 * 8192;
190 &ivi_mb_vlc_tabs[i], 1);
191 ivi_blk_vlc_tabs[
i].
table = table_data + (i * 2 + 1) * 8192;
194 &ivi_blk_vlc_tabs[i], 1);
196 initialized_vlcs = 1;
233 huff_tab->
tab = (which_tab) ? &ivi_blk_vlc_tabs[7]
234 : &ivi_mb_vlc_tabs [7];
247 for (i = 0; i < new_huff.
num_rows; i++)
262 "Error while initializing custom vlc table!\n");
269 huff_tab->
tab = (which_tab) ? &ivi_blk_vlc_tabs[huff_tab->
tab_sel]
270 : &ivi_mb_vlc_tabs [huff_tab->
tab_sel];
285 for (p = 0; p < 3; p++) {
287 for (b = 0; b < planes[p].
num_bands; b++) {
288 av_freep(&planes[p].bands[b].bufs[0]);
289 av_freep(&planes[p].bands[b].bufs[1]);
290 av_freep(&planes[p].bands[b].bufs[2]);
291 av_freep(&planes[p].bands[b].bufs[3]);
293 if (planes[p].bands[b].blk_vlc.cust_tab.table)
296 av_freep(&planes[p].bands[b].tiles[t].mbs);
297 av_freep(&planes[p].bands[b].tiles);
308 uint32_t b_width, b_height, align_fac, width_aligned,
309 height_aligned, buf_size;
328 for (p = 0; p < 3; p++) {
330 if (!planes[p].
bands)
337 : (planes[p].
width + 1) >> 1;
339 : (planes[p].
height + 1) >> 1;
343 align_fac = p ? 8 : 16;
344 width_aligned =
FFALIGN(b_width , align_fac);
345 height_aligned =
FFALIGN(b_height, align_fac);
346 buf_size = width_aligned * height_aligned *
sizeof(int16_t);
348 for (b = 0; b < planes[p].
num_bands; b++) {
349 band = &planes[p].
bands[
b];
352 band->
width = b_width;
354 band->
pitch = width_aligned;
355 band->
aheight = height_aligned;
370 int p,
int b,
int t_height,
int t_width)
375 for (y = 0; y < band->
height; y += t_height) {
376 for (x = 0; x < band->
width; x += t_width) {
409 int tile_width,
int tile_height)
411 int p,
b, x_tiles, y_tiles, t_width, t_height, ret;
414 for (p = 0; p < 3; p++) {
415 t_width = !p ? tile_width : (tile_width + 3) >> 2;
416 t_height = !p ? tile_height : (tile_height + 3) >> 2;
418 if (!p && planes[0].num_bands == 4) {
419 if (t_width % 2 || t_height % 2) {
426 if(t_width<=0 || t_height<=0)
429 for (b = 0; b < planes[p].
num_bands; b++) {
430 band = &planes[p].
bands[
b];
453 p, b, t_height, t_width);
493 band->
pitch, blk_size);
501 int mv_x2,
int mv_y2,
502 int *prev_dc,
int is_intra,
503 int mc_type,
int mc_type2,
504 uint32_t
quant,
int offs,
511 uint32_t sym = 0, lo, hi, q;
514 int num_coeffs = blk_size * blk_size;
515 int col_mask = blk_size - 1;
521 if (min_size > buf_size)
530 memset(trvec, 0, num_coeffs *
sizeof(trvec[0]));
532 memset(col_flags, 0,
sizeof(col_flags));
533 while (scan_pos <= num_coeffs) {
557 if (scan_pos >= num_coeffs || scan_pos < 0)
559 pos = band->
scan[scan_pos];
562 ff_dlog(avctx,
"Val = 0 encountered!\n");
566 val = val * q +
FFSIGN(val) * (((q ^ 1) - 1) >> 1);
569 col_flags[pos & col_mask] |= !!
val;
572 if (scan_pos < 0 || scan_pos >= num_coeffs && sym != rvmap->
eob_sym)
577 *prev_dc += trvec[0];
579 col_flags[0] |= !!*prev_dc;
589 band->
pitch, col_flags);
593 return ivi_mc(band, mc, mc_avg, offs, mv_x, mv_y, mv_x2, mv_y2,
612 int mbn,
blk, num_blocks, blk_size, ret, is_intra;
613 int mc_type = 0, mc_type2 = -1;
614 int mv_x = 0, mv_y = 0, mv_x2 = 0, mv_y2 = 0;
616 uint32_t cbp,
quant, buf_offs;
626 num_blocks = (band->
mb_size != blk_size) ? 4 : 1;
639 for (mbn = 0, mb = tile->
mbs; mbn < tile->num_MBs; mb++, mbn++) {
640 is_intra = !mb->
type;
646 quant = av_clip_uintp2(quant, 5);
648 quant = av_clip(quant, 0, 23);
652 quant = scale_tab[
quant];
660 mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
661 mc_type2 = ((mv_y2 & 1) << 1) | (mv_x2 & 1);
672 int dmv_x, dmv_y, cx, cy;
679 if (mb->
xpos + dmv_x < 0 ||
681 mb->
ypos + dmv_y < 0 ||
686 if (mb->
type == 2 || mb->
type == 3) {
687 int dmv_x, dmv_y, cx, cy;
694 if (mb->
xpos + dmv_x < 0 ||
696 mb->
ypos + dmv_y < 0 ||
703 for (blk = 0; blk < num_blocks; blk++) {
706 buf_offs += blk_size;
707 }
else if (blk == 2) {
708 buf_offs -= blk_size;
709 buf_offs += blk_size * band->
pitch;
714 mc_avg_with_delta_func,
715 mv_x, mv_y, mv_x2, mv_y2,
717 mc_type, mc_type2, quant,
723 int min_size = (blk_size - 1) * band->
pitch + blk_size;
725 if (min_size > buf_size)
735 ret =
ivi_mc(band, mc_no_delta_func, mc_avg_no_delta_func,
736 buf_offs, mv_x, mv_y, mv_x2, mv_y2,
764 int x, y, need_mc, mbn,
blk, num_blocks, mv_x, mv_y, mc_type;
765 int offs, mb_offset, row_offset, ret;
774 int pitch = band->
pitch;
778 "parameters %d in ivi_process_empty_tile()\n",
783 offs = tile->
ypos * pitch + tile->
xpos;
786 row_offset = mb_size * pitch;
789 for (y = tile->
ypos; y < (tile->
ypos + tile->
height); y += mb_size) {
792 for (x = tile->
xpos; x < xend; x += mb_size) {
821 int dmv_x, dmv_y, cx, cy;
823 dmv_x = mb->
mv_x >> is_halfpel;
824 dmv_y = mb->
mv_y >> is_halfpel;
825 cx = mb->
mv_x & is_halfpel;
826 cy = mb->
mv_y & is_halfpel;
828 if ( mb->
xpos + dmv_x < 0
829 || mb->
xpos + dmv_x + mb_size + cx > pitch
830 || mb->
ypos + dmv_y < 0
831 || mb->
ypos + dmv_y + mb_size + cy > band->
aheight) {
841 mb_offset += mb_size;
847 num_blocks = (mb_size != band->
blk_size) ? 4 : 1;
851 for (mbn = 0, mb = tile->
mbs; mbn < tile->num_MBs; mb++, mbn++) {
857 mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
862 for (blk = 0; blk < num_blocks; blk++) {
865 ret =
ivi_mc(band, mc_no_delta_func, 0, offs,
866 mv_x, mv_y, 0, 0, mc_type, -1);
875 for (y = 0; y < tile->
height; y++) {
876 memcpy(dst, src, tile->
width*
sizeof(band->
buf[0]));
887 static uint16_t ivi_calc_band_checksum(
const IVIBandDesc *band)
895 for (y = 0; y < band->
height; src += band->
pitch, y++)
896 for (x = 0; x < band->
width; x++)
921 for (y = 0; y < plane->
height; y++) {
924 for (x = 0; x <
w; x++) {
925 int t = src[x] + 128;
930 for (x = 0; x <
w; x++)
931 dst[x] = av_clip_uint8(src[x] + 128);
943 return band->
bufs[
i];
957 int result,
i, t, idx1, idx2,
pos;
993 for (i = 0; i < band->
num_corr; i++) {
994 idx1 = band->
corr[i * 2];
995 idx2 = band->
corr[i * 2 + 1];
1007 tile = &band->
tiles[t];
1020 ff_dlog(avctx,
"Empty tile encountered!\n");
1036 "Corrupted tile data encountered!\n");
1042 "Tile data_size mismatch!\n");
1053 for (i = band->
num_corr-1; i >= 0; i--) {
1054 idx1 = band->
corr[i*2];
1055 idx2 = band->
corr[i*2+1];
1066 uint16_t chksum = ivi_calc_band_checksum(band);
1069 "Band checksum mismatch! Plane %d, band %d, " 1070 "received: %"PRIx32
", calculated: %"PRIx16
"\n",
1087 int buf_size = avpkt->
size;
1099 "Error while decoding picture header: %d\n", result);
1130 for (p = 0; p < 3; p++) {
1135 "Error while decoding band: %d, plane: %d\n", b, p);
1145 for (p = 0; p < 3; p++) {
1247 0, 8, 16, 24, 32, 40, 48, 56,
1248 1, 9, 17, 25, 33, 41, 49, 57,
1249 2, 10, 18, 26, 34, 42, 50, 58,
1250 3, 11, 19, 27, 35, 43, 51, 59,
1251 4, 12, 20, 28, 36, 44, 52, 60,
1252 5, 13, 21, 29, 37, 45, 53, 61,
1253 6, 14, 22, 30, 38, 46, 54, 62,
1254 7, 15, 23, 31, 39, 47, 55, 63
1258 0, 1, 2, 3, 4, 5, 6, 7,
1259 8, 9, 10, 11, 12, 13, 14, 15,
1260 16, 17, 18, 19, 20, 21, 22, 23,
1261 24, 25, 26, 27, 28, 29, 30, 31,
1262 32, 33, 34, 35, 36, 37, 38, 39,
1263 40, 41, 42, 43, 44, 45, 46, 47,
1264 48, 49, 50, 51, 52, 53, 54, 55,
1265 56, 57, 58, 59, 60, 61, 62, 63
1269 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
1281 {1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 1, 3, 3,
1282 1, 1, 2, 2, 1, 1, 4, 4, 1, 1, 1, 1, 2, 2, 5, 5,
1283 1, 1, 3, 3, 1, 1, 6, 6, 1, 2, 1, 2, 7, 7, 1, 1,
1284 8, 8, 1, 1, 4, 2, 1, 4, 2, 1, 3, 3, 1, 1, 1, 9,
1285 9, 1, 2, 1, 2, 1, 5, 5, 1, 1, 10, 10, 1, 1, 3, 3,
1286 2, 2, 1, 1, 11, 11, 6, 4, 4, 1, 6, 1, 2, 1, 2, 12,
1287 8, 1, 12, 7, 8, 7, 1, 16, 1, 16, 1, 3, 3, 13, 1, 13,
1288 2, 2, 1, 15, 1, 5, 14, 15, 1, 5, 14, 1, 17, 8, 17, 8,
1289 1, 4, 4, 2, 2, 1, 25, 25, 24, 24, 1, 3, 1, 3, 1, 8,
1290 6, 7, 6, 1, 18, 8, 18, 1, 7, 23, 2, 2, 23, 1, 1, 21,
1291 22, 9, 9, 22, 19, 1, 21, 5, 19, 5, 1, 33, 20, 33, 20, 8,
1292 4, 4, 1, 32, 2, 2, 8, 3, 32, 26, 3, 1, 7, 7, 26, 6,
1293 1, 6, 1, 1, 16, 1, 10, 1, 10, 2, 16, 29, 28, 2, 29, 28,
1294 1, 27, 5, 8, 5, 27, 1, 8, 3, 7, 3, 31, 41, 31, 1, 41,
1295 6, 1, 6, 7, 4, 4, 1, 1, 2, 1, 2, 11, 34, 30, 11, 1,
1296 30, 15, 15, 34, 36, 40, 36, 40, 35, 35, 37, 37, 39, 39, 38, 38},
1299 { 1, -1, 0, 2, -2, 0, 3, -3, 1, -1, 4, -4, 5, -5, 1, -1,
1300 6, -6, 2, -2, 7, -7, 1, -1, 8, -8, 9, -9, 3, -3, 1, -1,
1301 10, -10, 2, -2, 11, -11, 1, -1, 12, 4, -12, -4, 1, -1, 13, -13,
1302 1, -1, 14, -14, 2, 5, 15, -2, -5, -15, -3, 3, 16, -16, 17, 1,
1303 -1, -17, 6, 18, -6, -18, 2, -2, 19, -19, 1, -1, 20, -20, 4, -4,
1304 7, -7, 21, -21, 1, -1, 2, 3, -3, 22, -2, -22, 8, 23, -8, 1,
1305 2, -23, -1, 2, -2, -2, 24, 1, -24, -1, 25, 5, -5, 1, -25, -1,
1306 9, -9, 26, 1, -26, 3, 1, -1, 27, -3, -1, -27, 1, 3, -1, -3,
1307 28, -4, 4, 10, -10, -28, 1, -1, 1, -1, 29, 6, -29, -6, 30, -4,
1308 3, 3, -3, -30, 1, 4, -1, 31, -3, 1, 11, -11, -1, -31, 32, -1,
1309 -1, 2, -2, 1, 1, -32, 1, 4, -1, -4, 33, -1, 1, 1, -1, 5,
1310 5, -5, -33, -1, -12, 12, -5, -7, 1, 1, 7, 34, 4, -4, -1, 4,
1311 -34, -4, 35, 36, -2, -35, -2, -36, 2, 13, 2, -1, 1, -13, 1, -1,
1312 37, 1, -5, 6, 5, -1, 38, -6, -8, 5, 8, -1, 1, 1, -37, -1,
1313 5, 39, -5, -5, 6, -6, -38, -39, -14, 40, 14, 2, 1, 1, -2, -40,
1314 -1, -2, 2, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, -1}
1320 {0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 8, 6, 8, 7,
1321 7, 9, 9, 10, 10, 11, 11, 1, 12, 1, 12, 13, 13, 16, 14, 16,
1322 14, 15, 15, 17, 17, 18, 0, 18, 19, 20, 21, 19, 22, 21, 20, 22,
1323 25, 24, 2, 25, 24, 23, 23, 2, 26, 28, 26, 28, 29, 27, 29, 27,
1324 33, 33, 1, 32, 1, 3, 32, 30, 36, 3, 36, 30, 31, 31, 35, 34,
1325 37, 41, 34, 35, 37, 4, 41, 4, 49, 8, 8, 49, 40, 38, 5, 38,
1326 40, 39, 5, 39, 42, 43, 42, 7, 57, 6, 43, 44, 6, 50, 7, 44,
1327 57, 48, 50, 48, 45, 45, 46, 47, 51, 46, 47, 58, 1, 51, 58, 1,
1328 52, 59, 53, 9, 52, 55, 55, 59, 53, 56, 54, 56, 54, 9, 64, 64,
1329 60, 63, 60, 63, 61, 62, 61, 62, 2, 10, 2, 10, 11, 1, 11, 13,
1330 12, 1, 12, 13, 16, 16, 8, 8, 14, 3, 3, 15, 14, 15, 4, 4,
1331 1, 17, 17, 5, 1, 7, 7, 5, 6, 1, 2, 2, 6, 22, 1, 25,
1332 21, 22, 8, 24, 1, 21, 25, 24, 8, 18, 18, 23, 9, 20, 23, 33,
1333 29, 33, 20, 1, 19, 1, 29, 36, 9, 36, 19, 41, 28, 57, 32, 3,
1334 28, 3, 1, 27, 49, 49, 1, 32, 26, 26, 2, 4, 4, 7, 57, 41,
1335 2, 7, 10, 5, 37, 16, 10, 27, 8, 8, 13, 16, 37, 13, 1, 5},
1338 {0, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1,
1339 -1, 1, -1, 1, -1, 1, -1, 2, 1, -2, -1, 1, -1, 1, 1, -1,
1340 -1, 1, -1, 1, -1, 1, 0, -1, 1, 1, 1, -1, 1, -1, -1, -1,
1341 1, 1, 2, -1, -1, 1, -1, -2, 1, 1, -1, -1, 1, 1, -1, -1,
1342 1, -1, 3, 1, -3, 2, -1, 1, 1, -2, -1, -1, -1, 1, 1, 1,
1343 1, 1, -1, -1, -1, 2, -1, -2, 1, 2, -2, -1, 1, 1, 2, -1,
1344 -1, 1, -2, -1, 1, 1, -1, 2, 1, 2, -1, 1, -2, -1, -2, -1,
1345 -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, 4, -1, -1, -4,
1346 1, 1, 1, 2, -1, -1, 1, -1, -1, 1, -1, -1, 1, -2, 1, -1,
1347 1, 1, -1, -1, 1, 1, -1, -1, 3, 2, -3, -2, 2, 5, -2, 2,
1348 2, -5, -2, -2, -2, 2, -3, 3, 2, 3, -3, 2, -2, -2, 3, -3,
1349 6, 2, -2, 3, -6, 3, -3, -3, 3, 7, -4, 4, -3, 2, -7, 2,
1350 2, -2, -4, 2, 8, -2, -2, -2, 4, 2, -2, 2, 3, 2, -2, -2,
1351 2, 2, -2, -8, -2, 9, -2, 2, -3, -2, 2, -2, 2, 2, 2, 4,
1352 -2, -4, 10, 2, 2, -2, -9, -2, 2, -2, 5, 4, -4, 4, -2, 2,
1353 -5, -4, -3, 4, 2, -3, 3, -2, -5, 5, 3, 3, -2, -3, -10, -4}
1359 {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 0, 1, 1, 5, 5,
1360 2, 2, 6, 6, 7, 7, 1, 8, 1, 8, 3, 3, 9, 9, 1, 2,
1361 2, 1, 4, 10, 4, 10, 11, 11, 1, 5, 12, 12, 1, 5, 13, 13,
1362 3, 3, 6, 6, 2, 2, 14, 14, 16, 16, 15, 7, 15, 8, 8, 7,
1363 1, 1, 17, 17, 4, 4, 1, 1, 18, 18, 2, 2, 5, 5, 25, 3,
1364 9, 3, 25, 9, 19, 24, 19, 24, 1, 21, 20, 1, 21, 22, 20, 22,
1365 23, 23, 8, 6, 33, 6, 8, 33, 7, 7, 26, 26, 1, 32, 1, 32,
1366 28, 4, 28, 10, 29, 27, 27, 10, 41, 4, 29, 2, 2, 41, 36, 31,
1367 49, 31, 34, 30, 34, 36, 30, 35, 1, 49, 11, 5, 35, 11, 1, 3,
1368 3, 5, 37, 37, 8, 40, 8, 40, 12, 12, 42, 42, 1, 38, 16, 57,
1369 1, 6, 16, 39, 38, 6, 7, 7, 13, 13, 39, 43, 2, 43, 57, 2,
1370 50, 9, 44, 9, 50, 4, 15, 48, 44, 4, 1, 15, 48, 14, 14, 1,
1371 45, 45, 8, 3, 5, 8, 51, 47, 3, 46, 46, 47, 5, 51, 1, 17,
1372 17, 58, 1, 58, 2, 52, 52, 2, 53, 7, 59, 6, 6, 56, 53, 55,
1373 7, 55, 1, 54, 59, 56, 54, 10, 1, 10, 4, 60, 1, 60, 8, 4,
1374 8, 64, 64, 61, 1, 63, 3, 63, 62, 61, 5, 11, 5, 3, 11, 62},
1377 { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 0, 3, -3, 1, -1,
1378 2, -2, 1, -1, 1, -1, 4, 1, -4, -1, 2, -2, 1, -1, 5, 3,
1379 -3, -5, 2, 1, -2, -1, 1, -1, 6, 2, 1, -1, -6, -2, 1, -1,
1380 3, -3, 2, -2, 4, -4, 1, -1, 1, -1, 1, 2, -1, 2, -2, -2,
1381 7, -7, 1, -1, 3, -3, 8, -8, 1, -1, 5, -5, 3, -3, 1, 4,
1382 2, -4, -1, -2, 1, 1, -1, -1, 9, 1, 1, -9, -1, 1, -1, -1,
1383 1, -1, 3, -3, 1, 3, -3, -1, 3, -3, 1, -1, 10, 1, -10, -1,
1384 1, 4, -1, 2, 1, -1, 1, -2, 1, -4, -1, 6, -6, -1, 1, 1,
1385 1, -1, 1, 1, -1, -1, -1, 1, 11, -1, -2, 4, -1, 2, -11, 5,
1386 -5, -4, -1, 1, 4, 1, -4, -1, -2, 2, 1, -1, 12, 1, -2, 1,
1387 -12, 4, 2, 1, -1, -4, 4, -4, 2, -2, -1, 1, 7, -1, -1, -7,
1388 -1, -3, 1, 3, 1, 5, 2, 1, -1, -5, 13, -2, -1, 2, -2, -13,
1389 1, -1, 5, 6, 5, -5, 1, 1, -6, 1, -1, -1, -5, -1, 14, 2,
1390 -2, 1, -14, -1, 8, 1, -1, -8, 1, 5, 1, 5, -5, 1, -1, 1,
1391 -5, -1, 15, 1, -1, -1, -1, 3, -15, -3, 6, 1, 16, -1, 6, -6,
1392 -6, 1, -1, 1, -16, 1, 7, -1, 1, -1, -6, -3, 6, -7, 3, -1}
1398 {0, 1, 1, 2, 2, 3, 3, 4, 4, 1, 1, 5, 5, 6, 6, 7,
1399 7, 8, 8, 9, 9, 2, 2, 10, 10, 1, 1, 11, 11, 12, 12, 3,
1400 3, 13, 13, 0, 14, 14, 16, 15, 16, 15, 4, 4, 17, 1, 17, 1,
1401 5, 5, 18, 18, 2, 2, 6, 6, 8, 19, 7, 8, 7, 19, 20, 20,
1402 21, 21, 22, 24, 22, 24, 23, 23, 1, 1, 25, 25, 3, 3, 26, 26,
1403 9, 9, 27, 27, 28, 28, 33, 29, 4, 33, 29, 1, 4, 1, 32, 32,
1404 2, 2, 31, 10, 30, 10, 30, 31, 34, 34, 5, 5, 36, 36, 35, 41,
1405 35, 11, 41, 11, 37, 1, 8, 8, 37, 6, 1, 6, 40, 7, 7, 40,
1406 12, 38, 12, 39, 39, 38, 49, 13, 49, 13, 3, 42, 3, 42, 16, 16,
1407 43, 43, 14, 14, 1, 1, 44, 15, 44, 15, 2, 2, 57, 48, 50, 48,
1408 57, 50, 4, 45, 45, 4, 46, 47, 47, 46, 1, 51, 1, 17, 17, 51,
1409 8, 9, 9, 5, 58, 8, 58, 5, 52, 52, 55, 56, 53, 56, 55, 59,
1410 59, 53, 54, 1, 6, 54, 7, 7, 6, 1, 2, 3, 2, 3, 64, 60,
1411 60, 10, 10, 64, 61, 62, 61, 63, 1, 63, 62, 1, 18, 24, 18, 4,
1412 25, 4, 8, 21, 21, 1, 24, 22, 25, 22, 8, 11, 19, 11, 23, 1,
1413 20, 23, 19, 20, 5, 12, 5, 1, 16, 2, 12, 13, 2, 13, 1, 16},
1416 { 0, 1, -1, 1, -1, 1, -1, 1, -1, 2, -2, 1, -1, 1, -1, 1,
1417 -1, 1, -1, 1, -1, 2, -2, 1, -1, 3, -3, 1, -1, 1, -1, 2,
1418 -2, 1, -1, 0, 1, -1, 1, 1, -1, -1, 2, -2, 1, 4, -1, -4,
1419 2, -2, 1, -1, -3, 3, 2, -2, 2, 1, 2, -2, -2, -1, 1, -1,
1420 1, -1, 1, 1, -1, -1, 1, -1, 5, -5, 1, -1, 3, -3, 1, -1,
1421 2, -2, 1, -1, 1, -1, 1, 1, 3, -1, -1, 6, -3, -6, -1, 1,
1422 4, -4, 1, 2, 1, -2, -1, -1, 1, -1, 3, -3, 1, -1, 1, 1,
1423 -1, 2, -1, -2, 1, 7, -3, 3, -1, 3, -7, -3, 1, -3, 3, -1,
1424 2, 1, -2, 1, -1, -1, 1, 2, -1, -2, -4, -1, 4, 1, 2, -2,
1425 1, -1, -2, 2, 8, -8, -1, 2, 1, -2, -5, 5, 1, -1, -1, 1,
1426 -1, 1, 4, -1, 1, -4, -1, -1, 1, 1, 9, 1, -9, 2, -2, -1,
1427 -4, 3, -3, -4, -1, 4, 1, 4, 1, -1, 1, -1, 1, 1, -1, 1,
1428 -1, -1, -1, 10, 4, 1, 4, -4, -4, -10, 6, 5, -6, -5, 1, -1,
1429 1, 3, -3, -1, 1, -1, -1, -1, 11, 1, 1, -11, -2, -2, 2, 5,
1430 -2, -5, -5, 2, -2, 12, 2, -2, 2, 2, 5, -3, -2, 3, -2, -12,
1431 -2, 2, 2, 2, -5, 3, 5, 13, -3, 7, -3, -3, -7, 3, -13, 3}
1437 {0, 1, 1, 1, 2, 2, 1, 3, 3, 1, 1, 1, 4, 4, 1, 5,
1438 2, 1, 5, 2, 1, 1, 6, 6, 1, 1, 1, 1, 1, 7, 3, 1,
1439 2, 3, 0, 1, 2, 7, 1, 1, 1, 8, 1, 1, 8, 1, 1, 1,
1440 9, 1, 9, 1, 2, 1, 1, 2, 1, 1, 10, 4, 1, 10, 1, 4,
1441 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 2, 1, 5, 1, 1, 1,
1442 2, 5, 1, 11, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1443 2, 1, 6, 1, 6, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 12,
1444 3, 1, 12, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1,
1445 4, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 1, 2, 1,
1446 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 5,
1447 1, 1, 1, 1, 1, 7, 1, 7, 1, 1, 2, 3, 1, 1, 1, 1,
1448 5, 1, 1, 1, 1, 1, 1, 2, 13, 1, 1, 1, 1, 1, 1, 1,
1449 1, 1, 1, 1, 1, 1, 1, 1, 13, 2, 1, 1, 4, 1, 1, 1,
1450 3, 1, 6, 1, 1, 1, 14, 1, 1, 1, 1, 1, 14, 6, 1, 1,
1451 1, 1, 15, 2, 4, 1, 2, 3, 15, 1, 1, 1, 8, 1, 1, 8,
1452 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1},
1455 { 0, 1, -1, 2, 1, -1, -2, 1, -1, 3, -3, 4, 1, -1, -4, 1,
1456 2, 5, -1, -2, -5, 6, 1, -1, -6, 7, -7, 8, -8, 1, 2, 9,
1457 3, -2, 0, -9, -3, -1, 10, -10, 11, 1, -11, 12, -1, -12, 13, -13,
1458 1, 14, -1, -14, 4, 15, -15, -4, 16, -16, 1, 2, 17, -1, -17, -2,
1459 18, -18, 19, -19, 20, 3, -20, 21, -21, -3, 5, 22, 2, -22, -23, 23,
1460 -5, -2, 24, 1, -24, -1, 25, -25, 26, -26, -27, 27, 28, 29, -28, -29,
1461 6, 30, 2, -31, -2, -30, 31, -6, -32, 32, 33, -33, 34, -35, -34, 1,
1462 4, -36, -1, 35, 37, 36, 7, -37, 38, -4, -38, 39, 41, 40, -40, -39,
1463 3, 42, -43, -41, -7, -42, 43, -3, 44, -44, 45, -45, 46, 47, 8, -47,
1464 -48, -46, 50, -50, 48, 49, 51, -49, 52, -52, 5, -51, -8, -53, 53, 3,
1465 -56, 56, 55, 54, -54, 2, 60, -2, -55, 58, 9, -5, 59, 57, -57, -63,
1466 -3, -58, -60, -61, 61, -59, -62, -9, 1, 64, 62, 69, -64, 63, 65, -67,
1467 -68, 66, -65, 68, -66, -69, 67, -70, -1, 10, 71, -71, 4, 73, 72, 70,
1468 6, -76, -3, 74, -78, -74, 1, 78, 80, -72, -75, 76, -1, 3, -73, 79,
1469 75, 77, 1, 11, -4, -79, -10, -6, -1, -77, -83, -80, 2, 81, -84, -2,
1470 83, -81, 82, -82, 84, -87, -86, 85, -11, -85, 86, -89, 87, -88, 88, 89}
1476 {1, 1, 0, 2, 1, 2, 1, 3, 3, 1, 1, 4, 4, 2, 2, 1,
1477 1, 5, 5, 6, 1, 6, 1, 7, 7, 3, 3, 2, 8, 2, 8, 1,
1478 1, 0, 9, 9, 1, 1, 10, 4, 10, 4, 11, 11, 2, 1, 2, 1,
1479 12, 12, 3, 3, 1, 1, 13, 5, 5, 13, 14, 1, 1, 14, 2, 2,
1480 6, 6, 15, 1, 1, 15, 16, 4, 7, 16, 4, 7, 1, 1, 3, 3,
1481 8, 8, 2, 2, 1, 1, 17, 17, 1, 1, 18, 18, 5, 5, 2, 2,
1482 1, 1, 9, 19, 9, 19, 20, 3, 3, 20, 1, 10, 21, 1, 10, 4,
1483 4, 21, 22, 6, 6, 22, 1, 1, 23, 24, 2, 2, 23, 24, 11, 1,
1484 1, 11, 7, 25, 7, 1, 1, 25, 8, 8, 3, 26, 3, 1, 12, 2,
1485 2, 26, 1, 12, 5, 5, 27, 4, 1, 4, 1, 27, 28, 1, 28, 13,
1486 1, 13, 2, 29, 2, 1, 32, 6, 1, 30, 14, 29, 14, 6, 3, 31,
1487 3, 1, 30, 1, 32, 31, 33, 9, 33, 1, 1, 7, 9, 7, 2, 2,
1488 1, 1, 4, 36, 34, 4, 5, 10, 10, 5, 34, 1, 1, 35, 8, 8,
1489 36, 3, 35, 1, 15, 3, 2, 1, 16, 15, 16, 2, 37, 1, 37, 1,
1490 1, 1, 6, 6, 38, 1, 38, 11, 1, 39, 39, 40, 11, 2, 41, 4,
1491 40, 1, 2, 4, 1, 1, 1, 41, 3, 1, 3, 1, 5, 7, 5, 7},
1494 { 1, -1, 0, 1, 2, -1, -2, 1, -1, 3, -3, 1, -1, 2, -2, 4,
1495 -4, 1, -1, 1, 5, -1, -5, 1, -1, 2, -2, 3, 1, -3, -1, 6,
1496 -6, 0, 1, -1, 7, -7, 1, 2, -1, -2, 1, -1, 4, 8, -4, -8,
1497 1, -1, 3, -3, 9, -9, 1, 2, -2, -1, 1, 10, -10, -1, 5, -5,
1498 2, -2, 1, 11, -11, -1, 1, 3, 2, -1, -3, -2, 12, -12, 4, -4,
1499 2, -2, -6, 6, 13, -13, 1, -1, 14, -14, 1, -1, 3, -3, 7, -7,
1500 15, -15, 2, 1, -2, -1, 1, 5, -5, -1, -16, 2, 1, 16, -2, 4,
1501 -4, -1, 1, 3, -3, -1, 17, -17, 1, 1, -8, 8, -1, -1, 2, 18,
1502 -18, -2, 3, 1, -3, 19, -19, -1, 3, -3, 6, 1, -6, 20, 2, 9,
1503 -9, -1, -20, -2, 4, -4, 1, -5, 21, 5, -21, -1, 1, -22, -1, 2,
1504 22, -2, 10, 1, -10, 23, 1, 4, -23, 1, 2, -1, -2, -4, -7, 1,
1505 7, -24, -1, 24, -1, -1, 1, 3, -1, -25, 25, 4, -3, -4, 11, -11,
1506 26, -26, 6, 1, 1, -6, -5, -3, 3, 5, -1, -27, 27, 1, 4, -4,
1507 -1, -8, -1, 28, 2, 8, -12, -28, -2, -2, 2, 12, -1, 29, 1, -29,
1508 30, -30, 5, -5, 1, -31, -1, 3, 31, -1, 1, 1, -3, -13, 1, -7,
1509 -1, -32, 13, 7, 32, 33, -33, -1, -9, -34, 9, 34, -6, 5, 6, -5}
1515 {1, 1, 0, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 0, 2, 2,
1516 4, 1, 4, 1, 1, 1, 5, 5, 1, 1, 6, 6, 2, 2, 1, 1,
1517 3, 3, 7, 7, 1, 1, 8, 8, 1, 1, 2, 2, 1, 9, 1, 9,
1518 4, 4, 10, 1, 1, 10, 1, 1, 11, 11, 3, 3, 1, 2, 1, 2,
1519 1, 1, 12, 12, 5, 5, 1, 1, 13, 1, 1, 13, 2, 2, 1, 1,
1520 6, 6, 1, 1, 4, 14, 4, 14, 3, 1, 3, 1, 1, 1, 15, 7,
1521 15, 2, 2, 7, 1, 1, 1, 8, 1, 8, 16, 16, 1, 1, 1, 1,
1522 2, 1, 1, 2, 1, 1, 3, 5, 5, 3, 4, 1, 1, 4, 1, 1,
1523 17, 17, 9, 1, 1, 9, 2, 2, 1, 1, 10, 10, 1, 6, 1, 1,
1524 6, 18, 1, 1, 18, 1, 1, 1, 2, 2, 3, 1, 3, 1, 1, 1,
1525 4, 1, 19, 1, 19, 7, 1, 1, 20, 1, 4, 20, 1, 7, 11, 2,
1526 1, 11, 21, 2, 8, 5, 1, 8, 1, 5, 21, 1, 1, 1, 22, 1,
1527 1, 22, 1, 1, 3, 3, 1, 23, 2, 12, 24, 1, 1, 2, 1, 1,
1528 12, 23, 1, 1, 24, 1, 1, 1, 4, 1, 1, 1, 2, 1, 6, 6,
1529 4, 2, 1, 1, 1, 1, 1, 1, 1, 14, 13, 3, 1, 25, 9, 25,
1530 14, 1, 9, 3, 13, 1, 1, 1, 1, 1, 10, 1, 1, 2, 10, 2},
1533 {-20, -1, 0, 2, -2, 1, -1, 3, -3, 1, -1, 4, -4, 0, 2, -2,
1534 1, 5, -1, -5, 6, -6, 1, -1, 7, -7, 1, -1, 3, -3, 8, -8,
1535 2, -2, 1, -1, 9, -9, 1, -1, 10, -10, 4, -4, 11, 1, -11, -1,
1536 2, -2, 1, 12, -12, -1, 13, -13, 1, -1, 3, -3, 14, 5, -14, -5,
1537 -15, 15, -1, 1, 2, -2, 16, -16, 1, 17, -17, -1, 6, -6, 18, -18,
1538 2, -2, -19, 19, -3, 1, 3, -1, 4, 20, -4, 1, -21, 21, 1, 2,
1539 -1, -7, 7, -2, 22, -22, 23, 2, -23, -2, 1, -1, -24, 24, -25, 25,
1540 -8, -26, 26, 8, -27, 27, 5, 3, -3, -5, -4, 28, -28, 4, 29, -29,
1541 1, -1, -2, -30, 30, 2, 9, -9, -31, 31, 2, -2, -32, 3, 32, -33,
1542 -3, 1, 33, -34, -1, 34, -35, 35, -10, 10, -6, 36, 6, -36, 37, -37,
1543 -5, 38, 1, -38, -1, 3, 39, -39, -1, 40, 5, 1, -40, -3, 2, -11,
1544 -41, -2, 1, 11, -3, -4, 41, 3, 42, 4, -1, -43, -42, 43, 1, -44,
1545 45, -1, 44, -45, -7, 7, -46, 1, -12, 2, 1, -47, 46, 12, 47, 48,
1546 -2, -1, -48, 49, -1, -50, -49, 50, -6, -51, 51, 52, -13, 53, -4, 4,
1547 6, 13, -53, -52, -54, 55, 54, -55, -56, -2, 2, -8, 56, 1, -3, -1,
1548 2, 58, 3, 8, -2, 57, -58, -60, -59, -57, -3, 60, 59, -14, 3, 14}
1554 {1, 1, 0, 2, 2, 1, 1, 3, 3, 4, 4, 5, 5, 1, 1, 6,
1555 6, 2, 2, 7, 7, 8, 8, 1, 1, 3, 3, 9, 9, 10, 10, 1,
1556 1, 2, 2, 4, 4, 11, 0, 11, 12, 12, 13, 13, 1, 1, 5, 5,
1557 14, 14, 15, 16, 15, 16, 3, 3, 1, 6, 1, 6, 2, 2, 7, 7,
1558 8, 8, 17, 17, 1, 1, 4, 4, 18, 18, 2, 2, 1, 19, 1, 20,
1559 19, 20, 21, 21, 3, 3, 22, 22, 5, 5, 24, 1, 1, 23, 9, 23,
1560 24, 9, 2, 2, 10, 1, 1, 10, 6, 6, 25, 4, 4, 25, 7, 7,
1561 26, 8, 1, 8, 3, 1, 26, 3, 11, 11, 27, 27, 2, 28, 1, 2,
1562 28, 1, 12, 12, 5, 5, 29, 13, 13, 29, 32, 1, 1, 33, 31, 30,
1563 32, 4, 30, 33, 4, 31, 3, 14, 1, 1, 3, 34, 34, 2, 2, 14,
1564 6, 6, 35, 36, 35, 36, 1, 15, 1, 16, 16, 15, 7, 9, 7, 9,
1565 37, 8, 8, 37, 1, 1, 39, 2, 38, 39, 2, 40, 5, 38, 40, 5,
1566 3, 3, 4, 4, 10, 10, 1, 1, 1, 1, 41, 2, 41, 2, 6, 6,
1567 1, 1, 11, 42, 11, 43, 3, 42, 3, 17, 4, 43, 1, 17, 7, 1,
1568 8, 44, 4, 7, 44, 5, 8, 2, 5, 1, 2, 48, 45, 1, 12, 45,
1569 12, 48, 13, 13, 1, 9, 9, 46, 1, 46, 47, 47, 49, 18, 18, 49},
1572 { 1, -1, 0, 1, -1, 2, -2, 1, -1, 1, -1, 1, -1, 3, -3, 1,
1573 -1, -2, 2, 1, -1, 1, -1, 4, -4, -2, 2, 1, -1, 1, -1, 5,
1574 -5, -3, 3, 2, -2, 1, 0, -1, 1, -1, 1, -1, 6, -6, 2, -2,
1575 1, -1, 1, 1, -1, -1, -3, 3, 7, 2, -7, -2, -4, 4, 2, -2,
1576 2, -2, 1, -1, 8, -8, 3, -3, 1, -1, -5, 5, 9, 1, -9, 1,
1577 -1, -1, 1, -1, -4, 4, 1, -1, 3, -3, 1, -10, 10, 1, 2, -1,
1578 -1, -2, 6, -6, 2, 11, -11, -2, 3, -3, 1, -4, 4, -1, 3, -3,
1579 1, 3, 12, -3, -5, -12, -1, 5, 2, -2, 1, -1, -7, 1, 13, 7,
1580 -1, -13, 2, -2, 4, -4, 1, 2, -2, -1, 1, 14, -14, 1, 1, 1,
1581 -1, -5, -1, -1, 5, -1, -6, 2, -15, 15, 6, 1, -1, -8, 8, -2,
1582 -4, 4, 1, 1, -1, -1, 16, 2, -16, -2, 2, -2, 4, 3, -4, -3,
1583 -1, -4, 4, 1, -17, 17, -1, -9, 1, 1, 9, 1, -5, -1, -1, 5,
1584 -7, 7, 6, -6, 3, -3, 18, -18, 19, -19, 1, -10, -1, 10, -5, 5,
1585 20, -20, -3, 1, 3, 1, 8, -1, -8, 2, 7, -1, -21, -2, 5, 21,
1586 5, -1, -7, -5, 1, -6, -5, -11, 6, 22, 11, 1, 1, -22, -3, -1,
1587 3, -1, 3, -3, -23, 4, -4, 1, 23, -1, 1, -1, 1, -2, 2, -1}
1593 {1, 1, 1, 1, 0, 2, 2, 1, 1, 3, 3, 0, 1, 1, 2, 2,
1594 4, 4, 1, 1, 5, 5, 1, 1, 2, 2, 3, 3, 6, 6, 1, 1,
1595 7, 7, 8, 1, 8, 2, 2, 1, 4, 4, 1, 3, 1, 3, 9, 9,
1596 2, 2, 1, 5, 1, 5, 10, 10, 1, 1, 11, 11, 3, 6, 3, 4,
1597 4, 6, 2, 2, 1, 12, 1, 12, 7, 13, 7, 13, 1, 1, 8, 8,
1598 2, 2, 14, 14, 16, 15, 16, 5, 5, 1, 3, 15, 1, 3, 4, 4,
1599 1, 1, 17, 17, 2, 2, 6, 6, 1, 18, 1, 18, 22, 21, 22, 21,
1600 25, 24, 25, 19, 9, 20, 9, 23, 19, 24, 20, 3, 23, 7, 3, 1,
1601 1, 7, 28, 26, 29, 5, 28, 26, 5, 8, 29, 4, 8, 27, 2, 2,
1602 4, 27, 1, 1, 10, 36, 10, 33, 33, 36, 30, 1, 32, 32, 1, 30,
1603 6, 31, 31, 35, 3, 6, 11, 11, 3, 2, 35, 2, 34, 1, 34, 1,
1604 37, 37, 12, 7, 12, 5, 41, 5, 4, 7, 1, 8, 13, 4, 1, 41,
1605 13, 38, 8, 38, 9, 1, 40, 40, 9, 1, 39, 2, 2, 49, 39, 42,
1606 3, 3, 14, 16, 49, 14, 16, 42, 43, 43, 6, 6, 15, 1, 1, 15,
1607 44, 44, 1, 1, 50, 48, 4, 5, 4, 7, 5, 2, 10, 10, 48, 7,
1608 50, 45, 2, 1, 45, 8, 8, 1, 46, 46, 3, 47, 47, 3, 1, 1},
1611 { 1, -1, 2, -2, 0, 1, -1, 3, -3, 1, -1, 0, 4, -4, 2, -2,
1612 1, -1, 5, -5, 1, -1, 6, -6, 3, -3, 2, -2, 1, -1, 7, -7,
1613 1, -1, 1, 8, -1, 4, -4, -8, 2, -2, 9, 3, -9, -3, 1, -1,
1614 5, -5, 10, 2, -10, -2, 1, -1, 11, -11, 1, -1, -4, 2, 4, 3,
1615 -3, -2, 6, -6, 12, 1, -12, -1, 2, 1, -2, -1, 13, -13, 2, -2,
1616 7, -7, 1, -1, 1, 1, -1, 3, -3, 14, 5, -1, -14, -5, 4, -4,
1617 15, -15, 1, -1, 8, -8, -3, 3, 16, 1, -16, -1, 1, 1, -1, -1,
1618 1, 1, -1, 1, 2, 1, -2, 1, -1, -1, -1, 6, -1, 3, -6, 17,
1619 -17, -3, 1, 1, 1, 4, -1, -1, -4, 3, -1, 5, -3, -1, -9, 9,
1620 -5, 1, 18, -18, 2, 1, -2, 1, -1, -1, 1, 19, -1, 1, -19, -1,
1621 4, 1, -1, 1, 7, -4, -2, 2, -7, 10, -1, -10, 1, 20, -1, -20,
1622 1, -1, 2, 4, -2, 5, 1, -5, 6, -4, 21, 4, 2, -6, -21, -1,
1623 -2, 1, -4, -1, -3, 22, -1, 1, 3, -22, -1, 11, -11, 1, 1, 1,
1624 8, -8, 2, 2, -1, -2, -2, -1, 1, -1, -5, 5, 2, 23, -23, -2,
1625 1, -1, 24, -24, -1, -1, 7, 6, -7, 5, -6, 12, -3, 3, 1, -5,
1626 1, 1, -12, 25, -1, -5, 5, -25, -1, 1, 9, 1, -1, -9, 26, -26}
#define IVI_NUM_TILES(stride, tile_size)
calculate number of tiles in a stride
int is_empty
= 1 if this band doesn't contain any data
const uint8_t ff_ivi_direct_scan_4x4[16]
uint8_t type
macroblock type: 0 - INTRA, 1 - INTER
int num_MBs
number of macroblocks in this tile
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static const IVIHuffDesc ivi_mb_huff_desc[8]
These are 2x8 predefined Huffman codebooks for coding macroblock/block signals.
static av_always_inline void mv_scale(Mv *dst, Mv *src, int td, int tb)
This structure describes decoded (raw) audio or video data.
macroblock/block huffman table descriptor
int(* is_nonnull_frame)(struct IVI45DecContext *ctx)
InvTransformPtr * inv_transform
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
static int ivi_decode_coded_blocks(GetBitContext *gb, const IVIBandDesc *band, ivi_mc_func mc, ivi_mc_avg_func mc_avg, int mv_x, int mv_y, int mv_x2, int mv_y2, int *prev_dc, int is_intra, int mc_type, int mc_type2, uint32_t quant, int offs, AVCodecContext *avctx)
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
static int ivi_huff_desc_cmp(const IVIHuffDesc *desc1, const IVIHuffDesc *desc2)
#define IVI_MBs_PER_TILE(tile_width, tile_height, mb_size)
calculate number of macroblocks in a tile
const uint8_t ff_reverse[256]
#define avpriv_request_sample(...)
int8_t b_mv_y
second motion vector (y component)
av_cold int ff_ivi_decode_close(AVCodecContext *avctx)
Close Indeo5 decoder and clean up its context.
#define IVI_VLC_BITS
max number of bits of the ivi's huffman codes
int num_tiles
number of tiles in this band
int dst_buf
buffer index for the currently decoded frame
int16_t * ref_buf
pointer to the reference frame buffer (for motion compensation)
uint8_t eob_sym
end of block symbol
int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
int16_t * buf
pointer to the output buffer for this band
DSP functions (inverse transforms, motion compensations, wavelet recomposition) for Indeo Video Inter...
IVITile * tiles
array of tile descriptors
void(* ivi_mc_avg_func)(int16_t *buf, const int16_t *ref_buf1, const int16_t *ref_buf2, ptrdiff_t pitch, int mc_type, int mc_type2)
int is_halfpel
precision of the motion compensation: 0 - fullpel, 1 - halfpel
int(* decode_pic_hdr)(struct IVI45DecContext *ctx, AVCodecContext *avctx)
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
Move everything contained in src to dst and reset src.
int plane
plane number this band belongs to
int bufsize
band buffer size in bytes
#define init_vlc(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, codes, codes_wrap, codes_size, flags)
static const IVIHuffDesc ivi_blk_huff_desc[8]
static block huffman tables
void(* switch_buffers)(struct IVI45DecContext *ctx)
Macro definitions for various function/variable attributes.
void ff_ivi_mc_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, ptrdiff_t pitch, int mc_type)
motion compensation without adding delta
RVMapDesc * rv_map
ptr to the RLE table for this band
int8_t b_mv_x
second motion vector (x component)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
static double cb(void *priv, double x, double y)
void ff_ivi_recompose53(const IVIPlaneDesc *plane, uint8_t *dst, const ptrdiff_t dst_pitch)
5/3 wavelet recomposition filter for Indeo5
ptrdiff_t pitch
pitch associated with the buffers above
static int ivi_dec_tile_data_size(GetBitContext *gb)
VLC * tab
index of one of the predefined tables or "7" for custom one
const uint8_t * frame_data
input frame data pointer
const uint16_t * inter_base
quantization matrix for inter blocks
const uint8_t * data_ptr
ptr to the first byte of the band data
static void * prepare_buf(IVI45DecContext *ctx, IVIBandDesc *band, int i)
void ff_ivi_mc_avg_8x8_no_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, ptrdiff_t pitch, int mc_type, int mc_type2)
motion compensation without adding delta for B-frames
void ff_ivi_mc_4x4_delta(int16_t *buf, const int16_t *ref_buf, ptrdiff_t pitch, int mc_type)
4x4 block motion compensation with adding delta
int inherit_mv
tells if motion vector is inherited from reference macroblock
static int ivi_init_tiles(const IVIBandDesc *band, IVITile *ref_tile, int p, int b, int t_height, int t_width)
static int ivi_mc(const IVIBandDesc *band, ivi_mc_func mc, ivi_mc_avg_func mc_avg, int offs, int mv_x, int mv_y, int mv_x2, int mv_y2, int mc_type, int mc_type2)
int16_t * bufs[4]
array of pointers to the band buffers
const uint8_t ff_ivi_vertical_scan_8x8[64]
Scan patterns shared between indeo4 and indeo5.
static int get_bits_count(const GetBitContext *s)
uint8_t cbp
coded block pattern
int qdelta_present
tells if Qdelta signal is present in the bitstream (Indeo5 only)
#define IVI5_IS_PROTECTED
bitstream reader API header.
static VLC_TYPE table_data[117592][2]
int(* decode_band_hdr)(struct IVI45DecContext *ctx, IVIBandDesc *band, AVCodecContext *avctx)
IVIPlaneDesc planes[3]
color planes
const uint16_t * intra_base
quantization matrix for intra blocks
IVIHuffDesc cust_desc
pointer to the table associated with tab_sel
static int get_bits_left(GetBitContext *gb)
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t corr[61 *2]
rvmap correction pairs
RVMapDesc rvmap_tabs[9]
local corrected copy of the static rvmap tables
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes, int tile_width, int tile_height)
Initialize tile and macroblock descriptors.
int ref_buf
inter frame reference buffer index
DCTransformPtr * dc_transform
This file contains structures and macros shared by both Indeo4 and Indeo5 decoders.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
void ff_ivi_mc_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, ptrdiff_t pitch, int mc_type)
4x4 block motion compensation without adding delta
int64_t max_pixels
The number of pixels per image to maximally accept.
static int ivi_decode_blocks(GetBitContext *gb, const IVIBandDesc *band, IVITile *tile, AVCodecContext *avctx)
static int decode_band(IVI45DecContext *ctx, IVIBandDesc *band, AVCodecContext *avctx)
Decode an Indeo 4 or 5 band.
uint8_t esc_sym
escape symbol
static int ivi_create_huff_from_desc(const IVIHuffDesc *cb, VLC *vlc, int flag)
void ff_ivi_mc_8x8_delta(int16_t *buf, const int16_t *ref_buf, ptrdiff_t pitch, int mc_type)
8x8 block motion compensation with adding delta
static int ivi_dc_transform(const IVIBandDesc *band, int *prev_dc, int buf_offs, int blk_size)
static uint16_t inv_bits(uint16_t val, int nbits)
Reverse "nbits" bits of the value "val" and return the result in the least significant bits...
run-value (RLE) table descriptor
static VLC ivi_blk_vlc_tabs[8]
static block Huffman tables
int inherit_qdelta
tells if quantiser delta is inherited from reference macroblock
static const struct @315 planes[]
uint8_t num_bands
number of bands this plane subdivided into
const uint8_t ff_ivi_horizontal_scan_8x8[64]
const RVMapDesc ff_ivi_rvmap_tabs[9]
Run-value (RLE) tables.
IVIMbInfo * mbs
array of macroblock descriptors
int16_t * b_ref_buf
pointer to the second reference frame buffer (for motion compensation)
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
void ff_ivi_mc_avg_8x8_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, ptrdiff_t pitch, int mc_type, int mc_type2)
8x8 block motion compensation with adding delta
const uint8_t * inter_scale
quantization coefficient for inter blocks
static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE(*table)[2], int bits, int max_depth)
Parse a vlc code.
int ff_ivi_dec_huff_desc(GetBitContext *gb, int desc_coded, int which_tab, IVIHuffTab *huff_tab, AVCodecContext *avctx)
Decode a huffman codebook descriptor from the bitstream and select specified huffman table...
static volatile int checksum
static void ivi_huff_desc_copy(IVIHuffDesc *dst, const IVIHuffDesc *src)
int8_t q_delta
quant delta
uint32_t frame_size
frame size in bytes
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static VLC ivi_mb_vlc_tabs[8]
static macroblock Huffman tables
IVIHuffTab mb_vlc
current macroblock table descriptor
int is_2d_trans
1 indicates that the two-dimensional inverse transform is used
Libavcodec external API header.
int glob_quant
quant base for this band
typedef void(RENAME(mix_any_func_type))
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
void ff_ivi_recompose_haar(const IVIPlaneDesc *plane, uint8_t *dst, const ptrdiff_t dst_pitch)
Haar wavelet recomposition filter for Indeo 4.
av_cold int ff_ivi_init_planes(AVCodecContext *avctx, IVIPlaneDesc *planes, const IVIPicConfig *cfg, int is_indeo4)
Initialize planes (prepares descriptors, allocates buffers etc).
main external API structure.
int aheight
aligned band height
int is_empty
= 1 if this tile doesn't contain any data
static const float bands[]
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
int num_corr
number of correction entries
static int ivi_scale_mv(int mv, int mv_scale)
scale motion vector
information for Indeo tile
static int ivi_process_empty_tile(AVCodecContext *avctx, const IVIBandDesc *band, IVITile *tile, int32_t mv_scale)
Handle empty tiles by performing data copying and motion compensation respectively.
static unsigned int get_bits1(GetBitContext *s)
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
IVIBandDesc * bands
array of band descriptors
int32_t checksum
for debug purposes
int rvmap_sel
rvmap table selector
int8_t mv_x
motion vector (x component)
int8_t mv_y
motion vector (y component)
#define IVI_TOSIGNED(val)
convert unsigned values into signed ones (the sign is in the LSB)
int mb_size
macroblock size
static av_cold void ivi_free_buffers(IVIPlaneDesc *planes)
huffman codebook descriptor
IVIMbInfo * ref_mbs
ptr to the macroblock descriptors of the reference tile
static void ivi_output_plane(IVIPlaneDesc *plane, uint8_t *dst, ptrdiff_t dst_pitch)
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
void(* ivi_mc_func)(int16_t *buf, const int16_t *ref_buf, ptrdiff_t pitch, int mc_type)
IVIHuffTab blk_vlc
current block table descriptor
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
common internal api header.
void ff_ivi_mc_avg_4x4_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, ptrdiff_t pitch, int mc_type, int mc_type2)
4x4 block motion compensation with adding delta
#define INIT_VLC_USE_NEW_STATIC
VLC cust_tab
custom Huffman codebook descriptor
int av_image_check_size2(unsigned int w, unsigned int h, int64_t max_pixels, enum AVPixelFormat pix_fmt, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of a plane of an image with...
const uint8_t * scan
ptr to the scan pattern
uint8_t has_transp
transparency mode status: 1 - enabled
VLC_TYPE(* table)[2]
code, bits
static const uint8_t * align_get_bits(GetBitContext *s)
void ff_ivi_mc_avg_4x4_no_delta(int16_t *buf, const int16_t *ref_buf, const int16_t *ref_buf2, ptrdiff_t pitch, int mc_type, int mc_type2)
4x4 block motion compensation without adding delta for B-frames
int(* decode_mb_info)(struct IVI45DecContext *ctx, IVIBandDesc *band, IVITile *tile, AVCodecContext *avctx)
information for Indeo macroblock (16x16, 8x8 or 4x4)
IVIHuffTab blk_vlc
vlc table for decoding block data
av_cold void ff_ivi_init_static_vlc(void)
Initialize static codes used for macroblock and block decoding.
const uint8_t * intra_scale
quantization coefficient for intra blocks
color plane (luma or chroma) information
#define FFSWAP(type, a, b)
uint32_t buf_offs
address in the output buffer for this mb
int b_ref_buf
second reference frame buffer index
information for Indeo wavelet band
static double val(void *priv, double ch)
This structure stores compressed data.
void ff_free_vlc(VLC *vlc)
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
int data_size
size of the data in bytes