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);
116 v_dist = fieldtx ? 15 : 8;
140 #define inc_blk_idx(idx) do { \
142 if (idx >= v->n_allocated_blks) \
163 #define GET_MQUANT() \
164 if (v->dquantfrm) { \
166 if (v->dqprofile == DQPROFILE_ALL_MBS) { \
167 if (v->dqbilevel) { \
168 mquant = (get_bits1(gb)) ? v->altpq : v->pq; \
170 mqdiff = get_bits(gb, 3); \
172 mquant = v->pq + mqdiff; \
174 mquant = get_bits(gb, 5); \
177 if (v->dqprofile == DQPROFILE_SINGLE_EDGE) \
178 edges = 1 << v->dqsbedge; \
179 else if (v->dqprofile == DQPROFILE_DOUBLE_EDGES) \
180 edges = (3 << v->dqsbedge) % 15; \
181 else if (v->dqprofile == DQPROFILE_FOUR_EDGES) \
183 if ((edges&1) && !s->mb_x) \
185 if ((edges&2) && s->first_slice_line) \
187 if ((edges&4) && s->mb_x == (s->mb_width - 1)) \
189 if ((edges&8) && s->mb_y == (s->mb_height - 1)) \
191 if (!mquant || mquant > 31) { \
192 av_log(v->s.avctx, AV_LOG_ERROR, \
193 "Overriding invalid mquant %d\n", mquant); \
205 #define GET_MVDATA(_dmv_x, _dmv_y) \
206 index = 1 + get_vlc2(gb, ff_vc1_mv_diff_vlc[s->mv_table_index].table, \
207 VC1_MV_DIFF_VLC_BITS, 2); \
215 _dmv_x = _dmv_y = 0; \
216 } else if (index == 35) { \
217 _dmv_x = get_bits(gb, v->k_x - 1 + s->quarter_sample); \
218 _dmv_y = get_bits(gb, v->k_y - 1 + s->quarter_sample); \
219 } else if (index == 36) { \
224 index1 = index % 6; \
225 _dmv_x = offset_table[1][index1]; \
226 val = size_table[index1] - (!s->quarter_sample && index1 == 5); \
228 val = get_bits(gb, val); \
229 sign = 0 - (val & 1); \
230 _dmv_x = (sign ^ ((val >> 1) + _dmv_x)) - sign; \
233 index1 = index / 6; \
234 _dmv_y = offset_table[1][index1]; \
235 val = size_table[index1] - (!s->quarter_sample && index1 == 5); \
237 val = get_bits(gb, val); \
238 sign = 0 - (val & 1); \
239 _dmv_y = (sign ^ ((val >> 1) + _dmv_y)) - sign; \
244 int *dmv_y,
int *pred_flag)
247 int extend_x, extend_y;
267 *pred_flag = *dmv_y & 1;
268 *dmv_y = (*dmv_y + (*dmv_y & 1)) >> 1;
273 index1 = (index + 1) % 9;
275 val =
get_bits(gb, index1 + extend_x);
276 sign = 0 - (val & 1);
277 *dmv_x = (sign ^ ((val >> 1) +
offset_table[extend_x][index1])) - sign;
280 index1 = (index + 1) / 9;
283 sign = 0 - (val & 1);
287 if (v->
numref && pred_flag)
288 *pred_flag = index1 & 1;
295 int direct,
int mode)
321 int16_t **dc_val_ptr,
int *dir_ptr)
325 static const uint16_t dcpred[32] = {
326 -1, 1024, 512, 341, 256, 205, 171, 146, 128,
327 114, 102, 93, 85, 79, 73, 68, 64,
328 60, 57, 54, 51, 49, 47, 45, 43,
329 41, 39, 38, 37, 35, 34, 33
343 b = dc_val[ - 1 -
wrap];
346 if (pq < 9 || !overlap) {
349 b = a = dcpred[scale];
350 if (s->
mb_x == 0 && (n != 1 && n != 3))
351 b = c = dcpred[scale];
356 if (s->
mb_x == 0 && (n != 1 && n != 3))
360 if (abs(a - b) <= abs(b - c)) {
369 *dc_val_ptr = &dc_val[0];
386 int a_avail,
int c_avail,
387 int16_t **dc_val_ptr,
int *dir_ptr)
398 if (dqscale_index < 0)
408 b = dc_val[ - 1 -
wrap];
411 if (c_avail && (n != 1 && n != 3)) {
416 if (a_avail && (n != 2 && n != 3)) {
421 if (a_avail && c_avail && (n != 3)) {
432 if (c_avail && (!a_avail || abs(a - b) <= abs(b - c))) {
435 }
else if (a_avail) {
444 *dc_val_ptr = &dc_val[0];
493 int *
value,
int codingset)
547 *value = (level ^ -sign) + sign;
560 int coded,
int codingset)
567 int16_t *ac_val, *ac_val2;
581 const int m = (v->
pq == 1 || v->
pq == 2) ? 3 - v->
pq : 0;
582 if (dcdiff == 119 ) {
586 dcdiff = (dcdiff <<
m) +
get_bits(gb, m) - ((1 <<
m) - 1);
601 block[0] = dcdiff * scale;
616 int last = 0, skip,
value;
635 block[zz_table[i++]] =
value;
647 for (k = 1; k < 8; k++)
648 block[k << sh] += ac_val[k];
651 for (k = 1; k < 8; k++) {
657 for (k = 1; k < 64; k++)
661 block[k] += (block[k] < 0) ? -v->
pq : v->
pq;
667 memset(ac_val2, 0, 16 * 2);
679 memcpy(ac_val2, ac_val, 8 * 2);
680 for (k = 1; k < 8; k++) {
681 block[k << sh] = ac_val[k] * scale;
683 block[k << sh] += (block[k << sh] < 0) ? -v->
pq : v->
pq;
702 int coded,
int codingset,
int mquant)
708 int16_t *dc_val =
NULL;
709 int16_t *ac_val, *ac_val2;
728 const int m = (mquant == 1 || mquant == 2) ? 3 - mquant : 0;
729 if (dcdiff == 119 ) {
733 dcdiff = (dcdiff <<
m) +
get_bits(gb, m) - ((1 <<
m) - 1);
748 block[0] = dcdiff * scale;
751 if (!a_avail && !c_avail)
754 scale = mquant * 2 + ((mquant == v->
pq) ? v->
halfpq : 0);
766 else if (dc_pred_dir) {
769 else if (c_avail && mb_pos)
774 else if (a_avail && mb_pos >= s->
mb_stride)
782 int last = 0, skip,
value;
809 block[zz_table[i++]] =
value;
822 if (q2 && q1 != q2) {
823 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
826 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
827 for (k = 1; k < 8; k++)
828 block[k << sh] += (
int)(ac_val[k] * (unsigned)q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
830 for (k = 1; k < 8; k++)
831 block[k << sh] += ac_val[k];
835 for (k = 1; k < 8; k++) {
841 for (k = 1; k < 64; k++)
845 block[k] += (block[k] < 0) ? -mquant : mquant;
851 memset(ac_val2, 0, 16 * 2);
863 memcpy(ac_val2, ac_val, 8 * 2);
864 if (q2 && q1 != q2) {
865 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
866 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
869 for (k = 1; k < 8; k++)
870 ac_val2[k] = (
int)(ac_val2[k] * q2 * (unsigned)
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
872 for (k = 1; k < 8; k++) {
873 block[k << sh] = ac_val2[k] * scale;
875 block[k << sh] += (block[k << sh] < 0) ? -mquant : mquant;
879 if (use_pred) i = 63;
894 int coded,
int mquant,
int codingset)
900 int16_t *dc_val =
NULL;
901 int16_t *ac_val, *ac_val2;
912 mquant = av_clip_uintp2(mquant, 5);
929 const int m = (mquant == 1 || mquant == 2) ? 3 - mquant : 0;
930 if (dcdiff == 119 ) {
934 dcdiff = (dcdiff <<
m) +
get_bits(gb, m) - ((1 <<
m) - 1);
956 if (!a_avail) dc_pred_dir = 1;
957 if (!c_avail) dc_pred_dir = 0;
958 if (!a_avail && !c_avail) use_pred = 0;
962 scale = mquant * 2 + v->
halfpq;
970 if (dc_pred_dir && c_avail && mb_pos)
972 if (!dc_pred_dir && a_avail && mb_pos >= s->
mb_stride)
974 if (dc_pred_dir && n == 1)
976 if (!dc_pred_dir && n == 2)
981 int last = 0, skip,
value;
1008 if (q2 && q1 != q2) {
1009 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
1010 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
1015 for (k = 1; k < 8; k++)
1018 for (k = 1; k < 8; k++)
1023 for (k = 1; k < 8; k++)
1026 for (k = 1; k < 8; k++)
1032 for (k = 1; k < 8; k++) {
1038 for (k = 1; k < 64; k++)
1042 block[k] += (block[k] < 0) ? -mquant : mquant;
1045 if (use_pred) i = 63;
1049 memset(ac_val2, 0, 16 * 2);
1052 memcpy(ac_val2, ac_val, 8 * 2);
1053 if (q2 && q1 != q2) {
1054 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
1055 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
1058 for (k = 1; k < 8; k++)
1059 ac_val2[k] = (ac_val2[k] * q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
1064 memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
1065 if (q2 && q1 != q2) {
1066 q1 = q1 * 2 + ((q1 == v->
pq) ? v->
halfpq : 0) - 1;
1067 q2 = q2 * 2 + ((q2 == v->
pq) ? v->
halfpq : 0) - 1;
1070 for (k = 1; k < 8; k++)
1071 ac_val2[k + 8] = (ac_val2[k + 8] * q2 *
ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
1079 for (k = 1; k < 8; k++) {
1085 for (k = 1; k < 8; k++) {
1086 block[k << v->
top_blk_sh] = ac_val2[k + 8] * scale;
1102 int mquant,
int ttmb,
int first_block,
1103 uint8_t *dst,
int linesize,
int skip_block,
1110 int scale, off, idx, last, skip,
value;
1111 int ttblk = ttmb & 7;
1123 && ((v->
ttmbf || (ttmb != -1 && (ttmb & 8) && !first_block))
1133 scale = 2 * mquant + ((v->
pq == mquant) ? v->
halfpq : 0);
1160 block[idx] = value * scale;
1162 block[idx] += (block[idx] < 0) ? -mquant : mquant;
1174 pat = ~subblkpat & 0xF;
1175 for (j = 0; j < 4; j++) {
1176 last = subblkpat & (1 << (3 - j));
1178 off = (j & 1) * 4 + (j & 2) * 16;
1190 block[idx + off] = value * scale;
1192 block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
1194 if (!(subblkpat & (1 << (3 - j))) && !skip_block) {
1203 pat = ~((subblkpat & 2) * 6 + (subblkpat & 1) * 3) & 0xF;
1204 for (j = 0; j < 2; j++) {
1205 last = subblkpat & (1 << (1 - j));
1216 idx = v->
zz_8x4[i++] + off;
1219 block[idx] = value * scale;
1221 block[idx] += (block[idx] < 0) ? -mquant : mquant;
1223 if (!(subblkpat & (1 << (1 - j))) && !skip_block) {
1232 pat = ~(subblkpat * 5) & 0xF;
1233 for (j = 0; j < 2; j++) {
1234 last = subblkpat & (1 << (1 - j));
1245 idx = v->
zz_4x8[i++] + off;
1248 block[idx] = value * scale;
1250 block[idx] += (block[idx] < 0) ? -mquant : mquant;
1252 if (!(subblkpat & (1 << (1 - j))) && !skip_block) {
1262 *ttmb_out |= ttblk << (n * 4);
1280 int ttmb = v->
ttfrm;
1282 int mb_has_coeffs = 1;
1286 int first_block = 1;
1288 int skipped, fourmv;
1289 int block_cbp = 0, pat, block_tt = 0, block_intra = 0;
1314 if (s->
mb_intra && !mb_has_coeffs) {
1318 }
else if (mb_has_coeffs) {
1334 for (i = 0; i < 6; i++) {
1337 val = ((cbp >> (5 - i)) & 1);
1338 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1345 if (i == 1 || i == 3 || s->
mb_x)
1354 for (j = 0; j < 64; j++)
1355 s->
block[i][j] <<= 1;
1357 s->
dest[dst_idx] + off,
1366 block_cbp |= 0xF << (i << 2);
1367 block_intra |= 1 << i;
1372 block_cbp |= pat << (i << 2);
1373 if (!v->
ttmbf && ttmb < 8)
1380 for (i = 0; i < 6; i++) {
1391 int intra_count = 0, coded_inter = 0;
1392 int is_intra[6], is_coded[6];
1395 for (i = 0; i < 6; i++) {
1396 val = ((cbp >> (5 - i)) & 1);
1411 is_coded[i] = mb_has_coeffs;
1414 is_intra[i] = (intra_count >= 3);
1421 coded_inter = !is_intra[i] & is_coded[i];
1425 if (!intra_count && !coded_inter)
1432 for (i = 0; i < 6; i++)
1445 if (!v->
ttmbf && coded_inter)
1447 for (i = 0; i < 6; i++) {
1449 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1456 if (i == 1 || i == 3 || s->
mb_x)
1465 for (j = 0; j < 64; j++)
1466 s->
block[i][j] <<= 1;
1468 s->
dest[dst_idx] + off,
1477 block_cbp |= 0xF << (i << 2);
1478 block_intra |= 1 << i;
1479 }
else if (is_coded[i]) {
1481 first_block, s->
dest[dst_idx] + off,
1485 block_cbp |= pat << (i << 2);
1486 if (!v->
ttmbf && ttmb < 8)
1494 for (i = 0; i < 6; i++) {
1498 for (i = 0; i < 4; i++) {
1524 int ttmb = v->
ttfrm;
1526 int mb_has_coeffs = 1;
1529 int first_block = 1;
1531 int skipped, fourmv = 0, twomv = 0;
1532 int block_cbp = 0, pat, block_tt = 0;
1533 int idx_mbmode = 0, mvbp;
1534 int stride_y, fieldtx;
1578 for (i = 0; i < 4; i++) {
1596 for (i = 0; i < 6; i++) {
1601 val = ((cbp >> (5 - i)) & 1);
1604 if (i == 1 || i == 3 || s->
mb_x)
1614 off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->
linesize : (i & 1) * 8 + 4 * (i & 2) * s->
linesize;
1620 s->
dest[dst_idx] + off,
1638 for (i = 0; i < 6; i++)
1645 for (i = 0; i < 4; i++) {
1647 if (mvbp & (8 >> i))
1682 if (!v->
ttmbf && cbp)
1684 for (i = 0; i < 6; i++) {
1687 val = ((cbp >> (5 - i)) & 1);
1689 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1691 off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->
linesize));
1694 first_block, s->
dest[dst_idx] + off,
1697 block_cbp |= pat << (i << 2);
1698 if (!v->
ttmbf && ttmb < 8)
1706 for (i = 0; i < 6; i++) {
1732 int ttmb = v->
ttfrm;
1734 int mb_has_coeffs = 1;
1737 int first_block = 1;
1740 int block_cbp = 0, pat, block_tt = 0;
1746 if (idx_mbmode <= 1) {
1758 mb_has_coeffs = idx_mbmode & 1;
1762 for (i = 0; i < 6; i++) {
1767 val = ((cbp >> (5 - i)) & 1);
1770 if (i == 1 || i == 3 || s->
mb_x)
1778 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1780 s->
dest[dst_idx] + off,
1788 for (i = 0; i < 6; i++)
1790 if (idx_mbmode <= 5) {
1791 dmv_x = dmv_y = pred_flag = 0;
1792 if (idx_mbmode & 1) {
1797 mb_has_coeffs = !(idx_mbmode & 2);
1800 for (i = 0; i < 4; i++) {
1801 dmv_x = dmv_y = pred_flag = 0;
1808 mb_has_coeffs = idx_mbmode & 1;
1816 if (!v->
ttmbf && cbp) {
1820 for (i = 0; i < 6; i++) {
1823 val = ((cbp >> (5 - i)) & 1);
1824 off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->
linesize;
1827 first_block, s->
dest[dst_idx] + off,
1831 block_cbp |= pat << (i << 2);
1832 if (!v->
ttmbf && ttmb < 8)
1853 int ttmb = v->
ttfrm;
1854 int mb_has_coeffs = 0;
1857 int first_block = 1;
1859 int skipped, direct;
1860 int dmv_x[2], dmv_y[2];
1875 dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0;
1876 for (i = 0; i < 6; i++) {
1885 dmv_x[1] = dmv_x[0];
1886 dmv_y[1] = dmv_y[0];
1899 dmv_x[0] = dmv_y[0] = 0;
1903 for (i = 0; i < 6; i++)
1910 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1920 dmv_x[0] = dmv_y[0] = dmv_x[1] = dmv_y[1] = 0;
1922 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1924 if (!mb_has_coeffs && !s->
mb_intra) {
1927 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1930 if (s->
mb_intra && !mb_has_coeffs) {
1939 if (!mb_has_coeffs) {
1942 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1948 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
1960 for (i = 0; i < 6; i++) {
1963 val = ((cbp >> (5 - i)) & 1);
1964 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
1971 if (i == 1 || i == 3 || s->
mb_x)
1980 for (j = 0; j < 64; j++)
1981 s->
block[i][j] *= 2;
1983 s->
dest[dst_idx] + off,
1988 first_block, s->
dest[dst_idx] + off,
1991 if (!v->
ttmbf && ttmb < 8)
2008 int ttmb = v->
ttfrm;
2009 int mb_has_coeffs = 0;
2011 int first_block = 1;
2014 int dmv_x[2], dmv_y[2], pred_flag[2];
2022 if (idx_mbmode <= 1) {
2034 mb_has_coeffs = idx_mbmode & 1;
2038 for (i = 0; i < 6; i++) {
2043 val = ((cbp >> (5 - i)) & 1);
2046 if (i == 1 || i == 3 || s->
mb_x)
2055 for (j = 0; j < 64; j++)
2056 s->
block[i][j] <<= 1;
2057 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
2059 s->
dest[dst_idx] + off,
2067 for (i = 0; i < 6; i++)
2073 if (idx_mbmode <= 5) {
2075 dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0;
2076 pred_flag[0] = pred_flag[1] = 0;
2101 dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
2102 dmv_x[1] = dmv_y[1] = pred_flag[0] = 0;
2110 mb_has_coeffs = !(idx_mbmode & 2);
2116 for (i = 0; i < 4; i++) {
2117 dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
2118 dmv_x[1] = dmv_y[1] = pred_flag[1] = 0;
2128 mb_has_coeffs = idx_mbmode & 1;
2136 if (!v->
ttmbf && cbp) {
2140 for (i = 0; i < 6; i++) {
2143 val = ((cbp >> (5 - i)) & 1);
2144 off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->
linesize;
2147 first_block, s->
dest[dst_idx] + off,
2150 if (!v->
ttmbf && ttmb < 8)
2168 int ttmb = v->
ttfrm;
2170 int mb_has_coeffs = 1;
2173 int first_block = 1;
2175 int skipped, direct, twomv = 0;
2176 int block_cbp = 0, pat, block_tt = 0;
2177 int idx_mbmode = 0, mvbp;
2178 int stride_y, fieldtx;
2224 for (i = 1; i < 4; i += 2) {
2231 for (i = 1; i < 4; i++) {
2241 for (i = 0; i < 4; i++) {
2261 for (i = 0; i < 6; i++) {
2266 val = ((cbp >> (5 - i)) & 1);
2269 if (i == 1 || i == 3 || s->
mb_x)
2279 off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->
linesize : (i & 1) * 8 + 4 * (i & 2) * s->
linesize;
2285 s->
dest[dst_idx] + off,
2321 for (i = 0; i < 6; i++)
2328 for (i = 0; i < 4; i++) {
2340 for (i = 0; i < 4; i++) {
2343 val = ((mvbp >> (3 - i)) & 1);
2386 for (i = 0; i < 2; i++) {
2416 for (i = 0; i < 2; i++) {
2426 if (!v->
ttmbf && cbp)
2428 for (i = 0; i < 6; i++) {
2431 val = ((cbp >> (5 - i)) & 1);
2433 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->
linesize);
2435 off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->
linesize));
2438 first_block, s->
dest[dst_idx] + off,
2441 block_cbp |= pat << (i << 2);
2442 if (!v->
ttmbf && ttmb < 8)
2450 for (i = 0; i < 6; i++) {
2472 for (i = 0; i < 2; i++) {
2484 for (i = 0; i < 2; i++) {
2554 dst[0] = s->
dest[0];
2555 dst[1] = dst[0] + 8;
2557 dst[3] = dst[2] + 8;
2558 dst[4] = s->
dest[1];
2559 dst[5] = s->
dest[2];
2571 for (k = 0; k < 6; k++) {
2572 val = ((cbp >> (5 - k)) & 1);
2579 cbp |= val << (5 - k);
2588 for (j = 0; j < 64; j++)
2589 s->
block[k][j] <<= 1;
2595 for (j = 0; j < 64; j++)
2730 for (k = 0; k < 6; k++) {
2731 val = ((cbp >> (5 - k)) & 1);
2738 cbp |= val << (5 - k);
2849 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.
#define AV_CODEC_FLAG_GRAY
Only decode/encode grayscale.
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 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 flags
AV_CODEC_FLAG_*.
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.
static int vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, int *value, int codingset)
Decode one AC coefficient.
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
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
#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.
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]