39 #define MB_INTRA_VLC_BITS 9
44 { 0, 1, 2, 4, 8, 16, 32, 64, 128 },
45 { 0, 1, 3, 7, 15, 31, 63, 127, 255 },
72 int topleft_mb_pos, top_mb_pos;
73 int stride_y, fieldtx = 0;
89 v_dist = (16 - fieldtx) >> (fieldtx == 0);
114 v_dist = fieldtx ? 15 : 8;
136 #define inc_blk_idx(idx) do { \
138 if (idx >= v->n_allocated_blks) \
159 #define GET_MQUANT() \
160 if (v->dquantfrm) { \
162 if (v->dqprofile == DQPROFILE_ALL_MBS) { \
163 if (v->dqbilevel) { \
164 mquant = (get_bits1(gb)) ? v->altpq : v->pq; \
166 mqdiff = get_bits(gb, 3); \
168 mquant = v->pq + mqdiff; \
170 mquant = get_bits(gb, 5); \
173 if (v->dqprofile == DQPROFILE_SINGLE_EDGE) \
174 edges = 1 << v->dqsbedge; \
175 else if (v->dqprofile == DQPROFILE_DOUBLE_EDGES) \
176 edges = (3 << v->dqsbedge) % 15; \
177 else if (v->dqprofile == DQPROFILE_FOUR_EDGES) \
179 if ((edges&1) && !s->mb_x) \
181 if ((edges&2) && s->first_slice_line) \
183 if ((edges&4) && s->mb_x == (s->mb_width - 1)) \
185 if ((edges&8) && s->mb_y == (s->mb_height - 1)) \
187 if (!mquant || mquant > 31) { \
188 av_log(v->s.avctx, AV_LOG_ERROR, \
189 "Overriding invalid mquant %d\n", mquant); \
201 #define GET_MVDATA(_dmv_x, _dmv_y) \
202 index = 1 + get_vlc2(gb, ff_vc1_mv_diff_vlc[s->mv_table_index].table, \
203 VC1_MV_DIFF_VLC_BITS, 2); \
211 _dmv_x = _dmv_y = 0; \
212 } else if (index == 35) { \
213 _dmv_x = get_bits(gb, v->k_x - 1 + s->quarter_sample); \
214 _dmv_y = get_bits(gb, v->k_y - 1 + s->quarter_sample); \
215 } else if (index == 36) { \
220 index1 = index % 6; \
221 _dmv_x = offset_table[1][index1]; \
222 val = size_table[index1] - (!s->quarter_sample && index1 == 5); \
224 val = get_bits(gb, val); \
225 sign = 0 - (val & 1); \
226 _dmv_x = (sign ^ ((val >> 1) + _dmv_x)) - sign; \
229 index1 = index / 6; \
230 _dmv_y = offset_table[1][index1]; \
231 val = size_table[index1] - (!s->quarter_sample && index1 == 5); \
233 val = get_bits(gb, val); \
234 sign = 0 - (val & 1); \
235 _dmv_y = (sign ^ ((val >> 1) + _dmv_y)) - sign; \
240 int *dmv_y,
int *pred_flag)
243 int extend_x, extend_y;
263 *pred_flag = *dmv_y & 1;
264 *dmv_y = (*dmv_y + (*dmv_y & 1)) >> 1;
269 index1 = (index + 1) % 9;
271 val =
get_bits(gb, index1 + extend_x);
272 sign = 0 - (val & 1);
273 *dmv_x = (sign ^ ((val >> 1) +
offset_table[extend_x][index1])) - sign;
276 index1 = (index + 1) / 9;
279 sign = 0 - (val & 1);
283 if (v->
numref && pred_flag)
284 *pred_flag = index1 & 1;
291 int direct,
int mode)
317 int16_t **dc_val_ptr,
int *dir_ptr)
321 static const uint16_t dcpred[32] = {
322 -1, 1024, 512, 341, 256, 205, 171, 146, 128,
323 114, 102, 93, 85, 79, 73, 68, 64,
324 60, 57, 54, 51, 49, 47, 45, 43,
325 41, 39, 38, 37, 35, 34, 33
339 b = dc_val[ - 1 -
wrap];
342 if (pq < 9 || !overlap) {
345 b = a = dcpred[scale];
346 if (s->
mb_x == 0 && (n != 1 && n != 3))
347 b = c = dcpred[scale];
352 if (s->
mb_x == 0 && (n != 1 && n != 3))
356 if (abs(a - b) <= abs(b - c)) {
365 *dc_val_ptr = &dc_val[0];
382 int a_avail,
int c_avail,
383 int16_t **dc_val_ptr,
int *dir_ptr)
394 if (dqscale_index < 0)
404 b = dc_val[ - 1 -
wrap];
407 if (c_avail && (n != 1 && n != 3)) {
412 if (a_avail && (n != 2 && n != 3)) {
417 if (a_avail && c_avail && (n != 3)) {
428 if (c_avail && (!a_avail || abs(a - b) <= abs(b - c))) {
431 }
else if (a_avail) {
440 *dc_val_ptr = &dc_val[0];
489 int *
value,
int codingset)
539 *value = (level ^ -sign) + sign;
550 int coded,
int codingset)
557 int16_t *ac_val, *ac_val2;
571 const int m = (v->
pq == 1 || v->
pq == 2) ? 3 - v->
pq : 0;
572 if (dcdiff == 119 ) {
576 dcdiff = (dcdiff <<
m) +
get_bits(gb, m) - ((1 <<
m) - 1);
591 block[0] = dcdiff * scale;
606 int last = 0, skip,
value;
623 block[zz_table[i++]] =
value;
635 for (k = 1; k < 8; k++)
636 block[k << sh] += ac_val[k];
639 for (k = 1; k < 8; k++) {
645 for (k = 1; k < 64; k++)
649 block[k] += (block[k] < 0) ? -v->
pq : v->
pq;
655 memset(ac_val2, 0, 16 * 2);
667 memcpy(ac_val2, ac_val, 8 * 2);
668 for (k = 1; k < 8; k++) {
669 block[k << sh] = ac_val[k] * scale;
671 block[k << sh] += (block[k << sh] < 0) ? -v->
pq : v->
pq;
690 int coded,
int codingset,
int mquant)
696 int16_t *dc_val =
NULL;
697 int16_t *ac_val, *ac_val2;
716 const int m = (mquant == 1 || mquant == 2) ? 3 - mquant : 0;
717 if (dcdiff == 119 ) {
721 dcdiff = (dcdiff <<
m) +
get_bits(gb, m) - ((1 <<
m) - 1);
736 block[0] = dcdiff * scale;
739 if (!a_avail && !c_avail)
742 scale = mquant * 2 + ((mquant == v->
pq) ? v->
halfpq : 0);
754 else if (dc_pred_dir) {
757 else if (c_avail && mb_pos)
762 else if (a_avail && mb_pos >= s->
mb_stride)
770 int last = 0, skip,
value;
795 block[zz_table[i++]] =
value;
808 if (q2 && q1 != q2) {
809 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
812 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
813 for (k = 1; k < 8; k++)
814 block[k << sh] += (ac_val[k] * q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
816 for (k = 1; k < 8; k++)
817 block[k << sh] += ac_val[k];
821 for (k = 1; k < 8; k++) {
827 for (k = 1; k < 64; k++)
831 block[k] += (block[k] < 0) ? -mquant : mquant;
837 memset(ac_val2, 0, 16 * 2);
849 memcpy(ac_val2, ac_val, 8 * 2);
850 if (q2 && q1 != q2) {
851 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
852 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
855 for (k = 1; k < 8; k++)
856 ac_val2[k] = (ac_val2[k] * q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
858 for (k = 1; k < 8; k++) {
859 block[k << sh] = ac_val2[k] * scale;
861 block[k << sh] += (block[k << sh] < 0) ? -mquant : mquant;
865 if (use_pred) i = 63;
880 int coded,
int mquant,
int codingset)
886 int16_t *dc_val =
NULL;
887 int16_t *ac_val, *ac_val2;
898 mquant = av_clip_uintp2(mquant, 5);
915 const int m = (mquant == 1 || mquant == 2) ? 3 - mquant : 0;
916 if (dcdiff == 119 ) {
920 dcdiff = (dcdiff <<
m) +
get_bits(gb, m) - ((1 <<
m) - 1);
942 if (!a_avail) dc_pred_dir = 1;
943 if (!c_avail) dc_pred_dir = 0;
944 if (!a_avail && !c_avail) use_pred = 0;
948 scale = mquant * 2 + v->
halfpq;
956 if (dc_pred_dir && c_avail && mb_pos)
958 if (!dc_pred_dir && a_avail && mb_pos >= s->
mb_stride)
960 if ( dc_pred_dir && n == 1)
962 if (!dc_pred_dir && n == 2)
967 int last = 0, skip,
value;
992 if (q2 && q1 != q2) {
993 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
994 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
999 for (k = 1; k < 8; k++)
1002 for (k = 1; k < 8; k++)
1007 for (k = 1; k < 8; k++)
1010 for (k = 1; k < 8; k++)
1016 for (k = 1; k < 8; k++) {
1022 for (k = 1; k < 64; k++)
1026 block[k] += (block[k] < 0) ? -mquant : mquant;
1029 if (use_pred) i = 63;
1033 memset(ac_val2, 0, 16 * 2);
1036 memcpy(ac_val2, ac_val, 8 * 2);
1037 if (q2 && q1 != q2) {
1038 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
1039 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
1042 for (k = 1; k < 8; k++)
1043 ac_val2[k] = (ac_val2[k] * q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
1048 memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
1049 if (q2 && q1 != q2) {
1050 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
1051 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
1054 for (k = 1; k < 8; k++)
1055 ac_val2[k + 8] = (ac_val2[k + 8] * q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
1063 for (k = 1; k < 8; k++) {
1069 for (k = 1; k < 8; k++) {
1070 block[k << v->
top_blk_sh] = ac_val2[k + 8] * scale;
1086 int mquant,
int ttmb,
int first_block,
1087 uint8_t *dst,
int linesize,
int skip_block,
1094 int scale, off, idx, last, skip,
value;
1095 int ttblk = ttmb & 7;
1107 && ((v->
ttmbf || (ttmb != -1 && (ttmb & 8) && !first_block))
1117 scale = 2 * mquant + ((v->
pq == mquant) ? v->
halfpq : 0);
1142 block[idx] = value * scale;
1144 block[idx] += (block[idx] < 0) ? -mquant : mquant;
1156 pat = ~subblkpat & 0xF;
1157 for (j = 0; j < 4; j++) {
1158 last = subblkpat & (1 << (3 - j));
1160 off = (j & 1) * 4 + (j & 2) * 16;
1170 block[idx + off] = value * scale;
1172 block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
1174 if (!(subblkpat & (1 << (3 - j))) && !skip_block) {
1183 pat = ~((subblkpat & 2) * 6 + (subblkpat & 1) * 3) & 0xF;
1184 for (j = 0; j < 2; j++) {
1185 last = subblkpat & (1 << (1 - j));
1194 idx = v->
zz_8x4[i++] + off;
1197 block[idx] = value * scale;
1199 block[idx] += (block[idx] < 0) ? -mquant : mquant;
1201 if (!(subblkpat & (1 << (1 - j))) && !skip_block) {
1210 pat = ~(subblkpat * 5) & 0xF;
1211 for (j = 0; j < 2; j++) {
1212 last = subblkpat & (1 << (1 - j));
1221 idx = v->
zz_4x8[i++] + off;
1224 block[idx] = value * scale;
1226 block[idx] += (block[idx] < 0) ? -mquant : mquant;
1228 if (!(subblkpat & (1 << (1 - j))) && !skip_block) {
1238 *ttmb_out |= ttblk << (n * 4);
1256 int ttmb = v->
ttfrm;
1258 int mb_has_coeffs = 1;
1262 int first_block = 1;
1264 int skipped, fourmv;
1265 int block_cbp = 0, pat, block_tt = 0, block_intra = 0;
1290 if (s->
mb_intra && !mb_has_coeffs) {
1294 }
else if (mb_has_coeffs) {
1310 for (i = 0; i < 6; i++) {
1313 val = ((cbp >> (5 - i)) & 1);
1314 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1321 if (i == 1 || i == 3 || s->
mb_x)
1330 for (j = 0; j < 64; j++)
1331 s->
block[i][j] <<= 1;
1333 s->
dest[dst_idx] + off,
1342 block_cbp |= 0xF << (i << 2);
1343 block_intra |= 1 << i;
1348 block_cbp |= pat << (i << 2);
1349 if (!v->
ttmbf && ttmb < 8)
1356 for (i = 0; i < 6; i++) {
1367 int intra_count = 0, coded_inter = 0;
1368 int is_intra[6], is_coded[6];
1371 for (i = 0; i < 6; i++) {
1372 val = ((cbp >> (5 - i)) & 1);
1387 is_coded[i] = mb_has_coeffs;
1390 is_intra[i] = (intra_count >= 3);
1397 coded_inter = !is_intra[i] & is_coded[i];
1401 if (!intra_count && !coded_inter)
1408 for (i = 0; i < 6; i++)
1421 if (!v->
ttmbf && coded_inter)
1423 for (i = 0; i < 6; i++) {
1425 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1432 if (i == 1 || i == 3 || s->
mb_x)
1441 for (j = 0; j < 64; j++)
1442 s->
block[i][j] <<= 1;
1444 s->
dest[dst_idx] + off,
1453 block_cbp |= 0xF << (i << 2);
1454 block_intra |= 1 << i;
1455 }
else if (is_coded[i]) {
1457 first_block, s->
dest[dst_idx] + off,
1461 block_cbp |= pat << (i << 2);
1462 if (!v->
ttmbf && ttmb < 8)
1470 for (i = 0; i < 6; i++) {
1474 for (i = 0; i < 4; i++) {
1500 int ttmb = v->
ttfrm;
1502 int mb_has_coeffs = 1;
1505 int first_block = 1;
1507 int skipped, fourmv = 0, twomv = 0;
1508 int block_cbp = 0, pat, block_tt = 0;
1509 int idx_mbmode = 0, mvbp;
1510 int stride_y, fieldtx;
1554 for (i = 0; i < 4; i++) {
1572 for (i = 0; i < 6; i++) {
1577 val = ((cbp >> (5 - i)) & 1);
1580 if (i == 1 || i == 3 || s->
mb_x)
1589 off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->
linesize : (i & 1) * 8 + 4 * (i & 2) * s->
linesize;
1595 s->
dest[dst_idx] + off,
1613 for (i = 0; i < 6; i++)
1620 for (i = 0; i < 4; i++) {
1622 if (mvbp & (8 >> i))
1657 if (!v->
ttmbf && cbp)
1659 for (i = 0; i < 6; i++) {
1662 val = ((cbp >> (5 - i)) & 1);
1664 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1666 off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->
linesize));
1669 first_block, s->
dest[dst_idx] + off,
1672 block_cbp |= pat << (i << 2);
1673 if (!v->
ttmbf && ttmb < 8)
1681 for (i = 0; i < 6; i++) {
1707 int ttmb = v->
ttfrm;
1709 int mb_has_coeffs = 1;
1712 int first_block = 1;
1715 int block_cbp = 0, pat, block_tt = 0;
1721 if (idx_mbmode <= 1) {
1733 mb_has_coeffs = idx_mbmode & 1;
1737 for (i = 0; i < 6; i++) {
1742 val = ((cbp >> (5 - i)) & 1);
1745 if (i == 1 || i == 3 || s->
mb_x)
1753 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1755 s->
dest[dst_idx] + off,
1763 for (i = 0; i < 6; i++)
1765 if (idx_mbmode <= 5) {
1766 dmv_x = dmv_y = pred_flag = 0;
1767 if (idx_mbmode & 1) {
1772 mb_has_coeffs = !(idx_mbmode & 2);
1775 for (i = 0; i < 4; i++) {
1776 dmv_x = dmv_y = pred_flag = 0;
1783 mb_has_coeffs = idx_mbmode & 1;
1791 if (!v->
ttmbf && cbp) {
1795 for (i = 0; i < 6; i++) {
1798 val = ((cbp >> (5 - i)) & 1);
1799 off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->
linesize;
1802 first_block, s->
dest[dst_idx] + off,
1806 block_cbp |= pat << (i << 2);
1807 if (!v->
ttmbf && ttmb < 8)
1828 int ttmb = v->
ttfrm;
1829 int mb_has_coeffs = 0;
1832 int first_block = 1;
1834 int skipped, direct;
1835 int dmv_x[2], dmv_y[2];
1850 dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0;
1851 for (i = 0; i < 6; i++) {
1860 dmv_x[1] = dmv_x[0];
1861 dmv_y[1] = dmv_y[0];
1874 dmv_x[0] = dmv_y[0] = 0;
1878 for (i = 0; i < 6; i++)
1885 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1895 dmv_x[0] = dmv_y[0] = dmv_x[1] = dmv_y[1] = 0;
1897 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1899 if (!mb_has_coeffs && !s->
mb_intra) {
1902 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1905 if (s->
mb_intra && !mb_has_coeffs) {
1914 if (!mb_has_coeffs) {
1917 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1923 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1935 for (i = 0; i < 6; i++) {
1938 val = ((cbp >> (5 - i)) & 1);
1939 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1946 if (i == 1 || i == 3 || s->
mb_x)
1955 for (j = 0; j < 64; j++)
1956 s->
block[i][j] <<= 1;
1958 s->
dest[dst_idx] + off,
1963 first_block, s->
dest[dst_idx] + off,
1966 if (!v->
ttmbf && ttmb < 8)
1983 int ttmb = v->
ttfrm;
1984 int mb_has_coeffs = 0;
1986 int first_block = 1;
1989 int dmv_x[2], dmv_y[2], pred_flag[2];
1997 if (idx_mbmode <= 1) {
2009 mb_has_coeffs = idx_mbmode & 1;
2013 for (i = 0; i < 6; i++) {
2018 val = ((cbp >> (5 - i)) & 1);
2021 if (i == 1 || i == 3 || s->
mb_x)
2030 for (j = 0; j < 64; j++)
2031 s->
block[i][j] <<= 1;
2032 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
2034 s->
dest[dst_idx] + off,
2042 for (i = 0; i < 6; i++)
2048 if (idx_mbmode <= 5) {
2050 dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0;
2051 pred_flag[0] = pred_flag[1] = 0;
2076 dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
2077 dmv_x[1] = dmv_y[1] = pred_flag[0] = 0;
2085 mb_has_coeffs = !(idx_mbmode & 2);
2091 for (i = 0; i < 4; i++) {
2092 dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
2093 dmv_x[1] = dmv_y[1] = pred_flag[1] = 0;
2103 mb_has_coeffs = idx_mbmode & 1;
2111 if (!v->
ttmbf && cbp) {
2115 for (i = 0; i < 6; i++) {
2118 val = ((cbp >> (5 - i)) & 1);
2119 off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->
linesize;
2122 first_block, s->
dest[dst_idx] + off,
2125 if (!v->
ttmbf && ttmb < 8)
2143 int ttmb = v->
ttfrm;
2145 int mb_has_coeffs = 1;
2148 int first_block = 1;
2150 int skipped, direct, twomv = 0;
2151 int block_cbp = 0, pat, block_tt = 0;
2152 int idx_mbmode = 0, mvbp;
2153 int stride_y, fieldtx;
2199 for (i = 1; i < 4; i += 2) {
2206 for (i = 1; i < 4; i++) {
2216 for (i = 0; i < 4; i++) {
2236 for (i = 0; i < 6; i++) {
2241 val = ((cbp >> (5 - i)) & 1);
2244 if (i == 1 || i == 3 || s->
mb_x)
2254 off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->
linesize : (i & 1) * 8 + 4 * (i & 2) * s->
linesize;
2260 s->
dest[dst_idx] + off,
2296 for (i = 0; i < 6; i++)
2303 for (i = 0; i < 4; i++) {
2315 for (i = 0; i < 4; i++) {
2318 val = ((mvbp >> (3 - i)) & 1);
2361 for (i = 0; i < 2; i++) {
2391 for (i = 0; i < 2; i++) {
2401 if (!v->
ttmbf && cbp)
2403 for (i = 0; i < 6; i++) {
2406 val = ((cbp >> (5 - i)) & 1);
2408 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
2410 off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->
linesize));
2413 first_block, s->
dest[dst_idx] + off,
2416 block_cbp |= pat << (i << 2);
2417 if (!v->
ttmbf && ttmb < 8)
2425 for (i = 0; i < 6; i++) {
2447 for (i = 0; i < 2; i++) {
2459 for (i = 0; i < 2; i++) {
2529 dst[0] = s->
dest[0];
2530 dst[1] = dst[0] + 8;
2532 dst[3] = dst[2] + 8;
2533 dst[4] = s->
dest[1];
2534 dst[5] = s->
dest[2];
2546 for (k = 0; k < 6; k++) {
2547 val = ((cbp >> (5 - k)) & 1);
2554 cbp |= val << (5 - k);
2563 for (j = 0; j < 64; j++)
2564 s->
block[k][j] <<= 1;
2570 for (j = 0; j < 64; j++)
2705 for (k = 0; k < 6; k++) {
2706 val = ((cbp >> (5 - k)) & 1);
2713 cbp |= val << (5 - k);
2824 if (apply_loop_filter) {
in the bitstream is reported as 00b
const int ff_vc1_ttblk_to_tt[3][8]
Table for conversion between TTBLK and TTMB.
void(* put_signed_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size)
#define VC1_TTBLK_VLC_BITS
void(* vc1_h_overlap)(uint8_t *src, int stride)
void ff_vc1_pred_mv(VC1Context *v, int n, int dmv_x, int dmv_y, int mv1, int r_x, int r_y, uint8_t *is_intra, int pred_flag, int dir)
Predict and set motion vector.
const char const char void * val
discard all frames except keyframes
void ff_init_block_index(MpegEncContext *s)
#define VC1_IF_MBMODE_VLC_BITS
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define VC1_ICBPCY_VLC_BITS
int k_x
Number of bits for MVs (depends on MV range)
void(* vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block)
int start_mb_y
start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y) ...
const uint8_t * y_dc_scale_table
qscale -> y_dc_scale table
void(* vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block)
void(* clear_block)(int16_t *block)
int mv_type_is_raw
mv type mb plane is not coded
uint8_t dmvrange
Frame decoding info for interlaced picture.
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
#define AV_LOG_WARNING
Something somehow does not look correct.
static const uint8_t vc1_index_decode_table[AC_MODES][185][2]
int end_mb_y
end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y) ...
int16_t(*[3] ac_val)[16]
used for mpeg4 AC prediction, all 3 arrays must be continuous
static const int vc1_last_decode_table[AC_MODES]
int tt_index
Index for Transform Type tables (to decode TTMB)
#define VC1_2REF_MVDATA_VLC_BITS
void(* clear_blocks)(int16_t *blocks)
uint8_t rangeredfrm
Frame decoding info for S/M profiles only.
int field_picture
whether or not the picture was encoded in separate fields
static int ff_vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n, int a_avail, int c_avail, int16_t **dc_val_ptr, int *dir_ptr)
Get predicted DC value prediction dir: left=0, top=1.
uint8_t zz_8x8[4][64]
Zigzag table for TT_8x8, permuted for IDCT.
static void vc1_put_signed_blocks_clamped(VC1Context *v)
static int vc1_decode_p_block(VC1Context *v, int16_t block[64], int n, int mquant, int ttmb, int first_block, uint8_t *dst, int linesize, int skip_block, int *ttmb_out)
Decode P block.
static const uint8_t q1[256]
int end_mb_x
Horizontal macroblock limit (used only by mss2)
static int vc1_i_pred_dc(MpegEncContext *s, int overlap, int pq, int n, int16_t **dc_val_ptr, int *dir_ptr)
Get predicted DC value for I-frames only prediction dir: left=0, top=1.
static int vc1_decode_p_mb(VC1Context *v)
Decode one P-frame MB.
const uint8_t ff_vc1_adv_interlaced_4x8_zz[32]
#define VC1_4MV_BLOCK_PATTERN_VLC_BITS
#define av_assert0(cond)
assert() equivalent, that is always enabled.
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
uint8_t * acpred_plane
AC prediction flags bitplane.
void ff_vc1_pred_b_mv_intfi(VC1Context *v, int n, int *dmv_x, int *dmv_y, int mv1, int *pred_flag)
void(* vc1_inv_trans_8x8)(int16_t *b)
static av_cold int end(AVCodecContext *avctx)
int y_ac_table_index
Luma index from AC2FRM element.
int c_ac_table_index
AC coding set indexes.
const int ff_vc1_ac_sizes[AC_MODES]
void(* put_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size)
void(* vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block)
int ttfrm
Transform type info present at frame level.
static void vc1_decode_b_mb_intfi(VC1Context *v)
Decode one B-frame MB (in interlaced field B picture)
Picture current_picture
copy of the current picture structure.
int codingset2
index of current table set from 11.8 to use for chroma block decoding
int16_t bfraction
Relative position % anchors=> how to scale MVs.
int profile
Sequence header data for all Profiles TODO: choose between ints, uint8_ts and monobit flags...
static const uint8_t offset_table[2][9]
static int get_bits_count(const GetBitContext *s)
uint8_t * forward_mb_plane
bitplane for "forward" MBs
int mb_height
number of MBs horizontally & vertically
static void vc1_decode_skip_blocks(VC1Context *v)
static const uint8_t size_table[6]
uint8_t * over_flags_plane
Overflags bitplane.
static void ff_update_block_index(MpegEncContext *s)
uint8_t ttmbf
Transform type flag.
int k_y
Number of bits for MVs (depends on MV range)
static void scale_mv(AVSContext *h, int *d_x, int *d_y, cavs_vector *src, int distp)
static int get_bits_left(GetBitContext *gb)
int16_t * dc_val[3]
used for mpeg4 DC prediction, all 3 arrays must be continuous
int dmb_is_raw
direct mb plane is raw
const uint8_t ff_vc1_simple_progressive_4x4_zz[16]
void(* vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block)
#define VC1_CBPCY_P_VLC_BITS
static void vc1_decode_b_mb(VC1Context *v)
Decode one B-frame MB (in Main profile)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int overlap
overlapped transforms in use
in the bitstream is reported as 11b
static int vc1_decode_b_mb_intfr(VC1Context *v)
Decode one B-frame MB (in interlaced frame B picture)
void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v)
void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy, int status)
Add a slice.
static int vc1_decode_i_block_adv(VC1Context *v, int16_t block[64], int n, int coded, int codingset, int mquant)
Decode intra block in intra frames - should be faster than decode_intra_block.
void(* vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block)
void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
Do motion compensation for 4-MV interlaced frame chroma macroblock (both U and V) ...
static const struct endianess table[]
int quarter_sample
1->qpel, 0->half pel ME/MC
void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
Do motion compensation for 4-MV macroblock - both chroma blocks.
void(* add_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size)
Libavcodec external API header.
const uint8_t * zz_8x4
Zigzag scan table for TT_8x4 coding mode.
int res_rtm_flag
reserved, set to 1
void(* vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block)
uint8_t * blk_mv_type
0: frame MV, 1: field MV (interlaced frame)
const uint8_t ff_vc1_adv_interlaced_8x4_zz[32]
static void vc1_decode_b_blocks(VC1Context *v)
const uint8_t * zz_4x8
Zigzag scan table for TT_4x8 coding mode.
void ff_vc1_decode_blocks(VC1Context *v)
static int vc1_decode_p_mb_intfr(VC1Context *v)
#define MB_INTRA_VLC_BITS
int field_mode
1 for interlaced field pictures
#define VC1_SUBBLKPAT_VLC_BITS
uint8_t * mbskip_table
used to avoid copy if macroblock skipped (for black regions for example) and used for b-frame encodin...
int16_t(*[2] motion_val)[2]
GLsizei GLboolean const GLfloat * value
Picture * current_picture_ptr
pointer to the current picture
void ff_vc1_loop_filter_iblk_delayed(VC1Context *v, int pq)
static void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mode)
Reconstruct motion vector for B-frame and do motion compensation.
static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE(*table)[2], int bits, int max_depth)
Parse a vlc code.
int block_last_index[12]
last non zero coefficient in block
int16_t(* luma_mv_base)[2]
int block_index[6]
index to current MB in block based arrays with edges
VLC * cbpcy_vlc
CBPCY VLC table.
static int decode210(GetBitContext *gb)
static const float pred[4]
void ff_vc1_loop_filter_iblk(VC1Context *v, int pq)
int first_slice_line
used in mpeg4 too to handle resync markers
static void apply_loop_filter(Vp3DecodeContext *s, int plane, int ystart, int yend)
int top_blk_sh
Either 3 or 0, positions of l/t in blk[].
void ff_vc1_mc_1mv(VC1Context *v, int dir)
Do motion compensation over 1 macroblock Mostly adapted hpel_motion and qpel_motion from mpegvideo...
ptrdiff_t linesize
line size, in bytes, may be different from width
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static const uint8_t vc1_delta_run_table[AC_MODES][57]
#define GET_MVDATA(_dmv_x, _dmv_y)
Get MV differentials.
uint8_t * coded_block
used for coded block pattern prediction (msmpeg4v3, wmv1)
void ff_vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mvtype)
const uint8_t ff_vc1_mbmode_intfrp[2][15][4]
static unsigned int get_bits1(GetBitContext *s)
static void vc1_decode_i_blocks_adv(VC1Context *v)
Decode blocks of I-frame for advanced profile.
int fmb_is_raw
forward mb plane is raw
#define VC1_2MV_BLOCK_PATTERN_VLC_BITS
static int vc1_coded_block_pred(MpegEncContext *s, int n, uint8_t **coded_block_ptr)
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
int skip_is_raw
skip mb plane is not coded
static av_always_inline void get_mvdata_interlaced(VC1Context *v, int *dmv_x, int *dmv_y, int *pred_flag)
int ff_intrax8_decode_picture(IntraX8Context *const w, int dquant, int quant_offset)
Decode single IntraX8 frame.
uint8_t * direct_mb_plane
bitplane for "direct" MBs
static const uint8_t vc1_last_delta_run_table[AC_MODES][10]
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
uint8_t * mv_type_mb_plane
bitplane for mv_type == (4MV)
void ff_vc1_apply_p_loop_filter(VC1Context *v)
int numref
number of past field pictures used as reference
const int32_t ff_vc1_dqscale[63]
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
const uint8_t * c_dc_scale_table
qscale -> c_dc_scale table
int mv[2][4][2]
motion vectors for a macroblock first coordinate : 0 = forward 1 = backward second " : depend...
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
in the bitstream is reported as 10b
Picture * next_picture_ptr
pointer to the next picture (for bidir pred)
struct AVCodecContext * avctx
void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
Do motion compensation for 4-MV macroblock - luminance block.
static int vc1_decode_p_mb_intfi(VC1Context *v)
#define GET_MQUANT()
Get macroblock-level quantizer scale.
int pqindex
raw pqindex used in coding set selection
static const uint8_t vc1_last_delta_level_table[AC_MODES][44]
#define VC1_1REF_MVDATA_VLC_BITS
static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, int *value, int codingset)
Decode one AC coefficient.
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
#define CODEC_FLAG_GRAY
Only decode/encode grayscale.
#define VC1_TTMB_VLC_BITS
static int get_unary(GetBitContext *gb, int stop, int len)
Get unary code of limited length.
static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n, int coded, int mquant, int codingset)
Decode intra block in inter frames - more generic version than vc1_decode_i_block.
enum FrameCodingMode fcm
Frame decoding info for Advanced profile.
Picture last_picture
copy of the previous picture structure.
uint8_t dquantfrm
pquant parameters
const uint8_t ff_vc1_adv_interlaced_4x4_zz[16]
enum AVDiscard skip_loop_filter
Skip loop filtering for selected frames.
int * ttblk
Transform type at the block level.
VLC ff_vc1_ac_coeff_table[8]
void ff_vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y, int mvn, int r_x, int r_y, uint8_t *is_intra, int dir)
Predict and set motion vector for interlaced frame picture MBs.
#define VC1_INTFR_4MV_MBMODE_VLC_BITS
static void vc1_decode_p_blocks(VC1Context *v)
uint8_t pquantizer
Uniform (over sequence) quantizer in use.
static int vc1_decode_i_block(VC1Context *v, int16_t block[64], int n, int coded, int codingset)
Decode intra block in intra frames - should be faster than decode_intra_block.
void ff_vc1_interp_mc(VC1Context *v)
Motion compensation for direct or interpolated blocks in B-frames.
int16_t(* block)[64]
points to one of the following blocks
static int decode012(GetBitContext *gb)
VLC_TYPE(* table)[2]
code, bits
Picture next_picture
copy of the next picture structure.
int flags
AVCodecContext.flags (HQ, MV4, ...)
uint32_t * mb_type
types and macros are defined in mpegutils.h
static void vc1_decode_i_blocks(VC1Context *v)
Decode blocks of I-frame.
int codingset
index of current table set from 11.8 to use for luma block decoding
#define VC1_INTFR_NON4MV_MBMODE_VLC_BITS
void(* vc1_v_overlap)(uint8_t *src, int stride)
VLC ff_msmp4_dc_luma_vlc[2]
VLC ff_vc1_subblkpat_vlc[3]
uint8_t halfpq
Uniform quant over image and qp+.5.
static const uint8_t vc1_delta_level_table[AC_MODES][31]
void(* vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block)
static void init_block_index(VC1Context *v)
VLC ff_msmp4_dc_chroma_vlc[2]