67 { 0, 1, 2, 3, 16, 17, 18, 19, },
68 { 4, 5, 6, 7, 20, 21, 22, 23, },
69 { 8, 9, 10, 11, 24, 25, 26, 27, },
70 { 12, 13, 14, 15, 28, 29, 30, 31, },
71 { 32, 33, 34, 35, 48, 49, 50, 51, },
72 { 36, 37, 38, 39, 52, 53, 54, 55, },
73 { 40, 41, 42, 43, 56, 57, 58, 59, },
74 { 44, 45, 46, 47, 60, 61, 62, 63, },
94 { 0, 2, 5, 9, 14, 20, 27, 35, },
95 { 1, 4, 8, 13, 19, 26, 34, 42, },
96 { 3, 7, 12, 18, 25, 33, 41, 48, },
97 { 6, 11, 17, 24, 32, 40, 47, 53, },
98 { 10, 16, 23, 31, 39, 46, 52, 57, },
99 { 15, 22, 30, 38, 45, 51, 56, 60, },
100 { 21, 29, 37, 44, 50, 55, 59, 62, },
101 { 28, 36, 43, 49, 54, 58, 61, 63, },
143 int pic_size_in_ctb = ((width >> log2_min_cb_size) + 1) *
144 ((height >> log2_min_cb_size) + 1);
198 uint8_t luma_weight_l0_flag[16];
199 uint8_t chroma_weight_l0_flag[16];
200 uint8_t luma_weight_l1_flag[16];
201 uint8_t chroma_weight_l1_flag[16];
211 if (!luma_weight_l0_flag[i]) {
218 chroma_weight_l0_flag[i] =
get_bits1(gb);
221 chroma_weight_l0_flag[i] = 0;
224 if (luma_weight_l0_flag[i]) {
229 if (chroma_weight_l0_flag[i]) {
230 for (j = 0; j < 2; j++) {
247 if (!luma_weight_l1_flag[i]) {
254 chroma_weight_l1_flag[i] =
get_bits1(gb);
257 chroma_weight_l1_flag[i] = 0;
260 if (luma_weight_l1_flag[i]) {
265 if (chroma_weight_l1_flag[i]) {
266 for (j = 0; j < 2; j++) {
287 int prev_delta_msb = 0;
288 unsigned int nb_sps = 0, nb_sh;
304 for (i = 0; i < rps->
nb_refs; i++) {
321 if (delta_poc_msb_present) {
324 if (i && i != nb_sps)
325 delta += prev_delta_msb;
328 prev_delta_msb =
delta;
339 unsigned int num = 0, den = 0;
376 if (num != 0 && den != 0)
383 #define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL + CONFIG_HEVC_D3D11VA_HWACCEL + CONFIG_HEVC_VDPAU_HWACCEL) 388 #if CONFIG_HEVC_DXVA2_HWACCEL 393 #if CONFIG_HEVC_D3D11VA_HWACCEL 396 #if CONFIG_HEVC_VDPAU_HWACCEL 499 int slice_address_length;
509 "Invalid slice segment address: %u.\n",
558 "Ignoring POC change between slices: %d -> %d\n", s->
poc, poc);
574 int numbits, rps_idx;
582 rps_idx = numbits > 0 ?
get_bits(gb, numbits) : 0;
686 "Invalid collocated_ref_idx: %d.\n",
701 "Invalid number of merging MVP candidates: %d.\n",
718 int deblocking_filter_override_flag = 0;
721 deblocking_filter_override_flag =
get_bits1(gb);
723 if (deblocking_filter_override_flag) {
766 for (i = 0; i < length; i++)
775 "The slice_qp %d is outside the valid range " 800 #define CTB(tab, x, y) ((tab)[(y) * s->ps.sps->ctb_width + (x)]) 802 #define SET_SAO(elem, value) \ 804 if (!sao_merge_up_flag && !sao_merge_left_flag) \ 806 else if (sao_merge_left_flag) \ 807 sao->elem = CTB(s->sao, rx-1, ry).elem; \ 808 else if (sao_merge_up_flag) \ 809 sao->elem = CTB(s->sao, rx, ry-1).elem; \ 817 int sao_merge_left_flag = 0;
818 int sao_merge_up_flag = 0;
829 if (ry > 0 && !sao_merge_left_flag) {
835 for (c_idx = 0; c_idx < 3; c_idx++) {
851 for (i = 0; i < 4; i++)
855 for (i = 0; i < 4; i++) {
864 }
else if (c_idx != 2) {
870 for (i = 0; i < 4; i++) {
886 int log2_trafo_size,
enum ScanType scan_idx,
889 #define GET_COORD(offset, n) \ 891 x_c = (scan_x_cg[offset >> 4] << 2) + scan_x_off[n]; \ 892 y_c = (scan_y_cg[offset >> 4] << 2) + scan_y_off[n]; \ 895 int transform_skip_flag = 0;
897 int last_significant_coeff_x, last_significant_coeff_y;
901 int greater1_ctx = 1;
904 int x_cg_last_sig, y_cg_last_sig;
906 const uint8_t *scan_x_cg, *scan_y_cg, *scan_x_off, *scan_y_off;
916 int trafo_size = 1 << log2_trafo_size;
917 int i, qp, shift, add, scale, scale_m;
918 static const uint8_t level_scale[] = { 40, 45, 51, 57, 64, 72 };
924 static const int qp_c[] = {
925 29, 30, 31, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37
928 static const uint8_t rem6[51 + 2 * 6 + 1] = {
929 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
930 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
931 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
934 static const uint8_t div6[51 + 2 * 6 + 1] = {
935 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
936 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
937 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10,
957 qp = qp_c[qp_i - 30];
963 add = 1 << (shift - 1);
964 scale = level_scale[rem6[qp]] << (div6[qp]);
973 if (log2_trafo_size != 5)
974 matrix_id = 3 * matrix_id + c_idx;
976 scale_matrix = sl->
sl[log2_trafo_size - 2][matrix_id];
977 if (log2_trafo_size >= 4)
978 dc_scale = sl->
sl_dc[log2_trafo_size - 4][matrix_id];
984 log2_trafo_size == 2) {
988 last_significant_coeff_x =
990 last_significant_coeff_y =
993 if (last_significant_coeff_x > 3) {
995 last_significant_coeff_x = (1 << ((last_significant_coeff_x >> 1) - 1)) *
996 (2 + (last_significant_coeff_x & 1)) +
1000 if (last_significant_coeff_y > 3) {
1002 last_significant_coeff_y = (1 << ((last_significant_coeff_y >> 1) - 1)) *
1003 (2 + (last_significant_coeff_y & 1)) +
1008 FFSWAP(
int, last_significant_coeff_x, last_significant_coeff_y);
1010 x_cg_last_sig = last_significant_coeff_x >> 2;
1011 y_cg_last_sig = last_significant_coeff_y >> 2;
1015 int last_x_c = last_significant_coeff_x & 3;
1016 int last_y_c = last_significant_coeff_y & 3;
1021 if (trafo_size == 4) {
1024 }
else if (trafo_size == 8) {
1028 }
else if (trafo_size == 16) {
1044 num_coeff =
horiz_scan8x8_inv[last_significant_coeff_y][last_significant_coeff_x];
1051 num_coeff =
horiz_scan8x8_inv[last_significant_coeff_x][last_significant_coeff_y];
1055 num_last_subset = (num_coeff - 1) >> 4;
1057 for (i = num_last_subset; i >= 0; i--) {
1059 int x_cg, y_cg, x_c, y_c;
1060 int implicit_non_zero_coeff = 0;
1061 int64_t trans_coeff_level;
1063 int offset = i << 4;
1065 uint8_t significant_coeff_flag_idx[16];
1066 uint8_t nb_significant_coeff_flag = 0;
1068 x_cg = scan_x_cg[i];
1069 y_cg = scan_y_cg[i];
1071 if (i < num_last_subset && i > 0) {
1073 if (x_cg < (1 << (log2_trafo_size - 2)) - 1)
1074 ctx_cg += significant_coeff_group_flag[x_cg + 1][y_cg];
1075 if (y_cg < (1 << (log2_trafo_size - 2)) - 1)
1076 ctx_cg += significant_coeff_group_flag[x_cg][y_cg + 1];
1078 significant_coeff_group_flag[x_cg][y_cg] =
1080 implicit_non_zero_coeff = 1;
1082 significant_coeff_group_flag[x_cg][y_cg] =
1083 ((x_cg == x_cg_last_sig && y_cg == y_cg_last_sig) ||
1084 (x_cg == 0 && y_cg == 0));
1087 last_scan_pos = num_coeff - offset - 1;
1089 if (i == num_last_subset) {
1090 n_end = last_scan_pos - 1;
1091 significant_coeff_flag_idx[0] = last_scan_pos;
1092 nb_significant_coeff_flag = 1;
1097 if (x_cg < ((1 << log2_trafo_size) - 1) >> 2)
1098 prev_sig = significant_coeff_group_flag[x_cg + 1][y_cg];
1099 if (y_cg < ((1 << log2_trafo_size) - 1) >> 2)
1100 prev_sig += significant_coeff_group_flag[x_cg][y_cg + 1] << 1;
1102 for (n = n_end; n >= 0; n--) {
1105 if (significant_coeff_group_flag[x_cg][y_cg] &&
1106 (n > 0 || implicit_non_zero_coeff == 0)) {
1111 significant_coeff_flag_idx[nb_significant_coeff_flag] = n;
1112 nb_significant_coeff_flag++;
1113 implicit_non_zero_coeff = 0;
1116 int last_cg = (x_c == (x_cg << 2) && y_c == (y_cg << 2));
1117 if (last_cg && implicit_non_zero_coeff && significant_coeff_group_flag[x_cg][y_cg]) {
1118 significant_coeff_flag_idx[nb_significant_coeff_flag] = n;
1119 nb_significant_coeff_flag++;
1124 n_end = nb_significant_coeff_flag;
1127 int first_nz_pos_in_cg = 16;
1128 int last_nz_pos_in_cg = -1;
1129 int c_rice_param = 0;
1130 int first_greater1_coeff_idx = -1;
1131 uint8_t coeff_abs_level_greater1_flag[16] = { 0 };
1132 uint16_t coeff_sign_flag;
1134 int sign_hidden = 0;
1137 int ctx_set = (i > 0 && c_idx == 0) ? 2 : 0;
1139 if (!(i == num_last_subset) && greater1_ctx == 0)
1142 last_nz_pos_in_cg = significant_coeff_flag_idx[0];
1144 for (m = 0; m < (n_end > 8 ? 8 : n_end); m++) {
1145 int n_idx = significant_coeff_flag_idx[m];
1146 int inc = (ctx_set << 2) + greater1_ctx;
1147 coeff_abs_level_greater1_flag[n_idx] =
1149 if (coeff_abs_level_greater1_flag[n_idx]) {
1151 }
else if (greater1_ctx > 0 && greater1_ctx < 3) {
1155 if (coeff_abs_level_greater1_flag[n_idx] &&
1156 first_greater1_coeff_idx == -1)
1157 first_greater1_coeff_idx = n_idx;
1159 first_nz_pos_in_cg = significant_coeff_flag_idx[n_end - 1];
1160 sign_hidden = last_nz_pos_in_cg - first_nz_pos_in_cg >= 4 &&
1163 if (first_greater1_coeff_idx != -1) {
1169 coeff_sign_flag =
ff_hevc_coeff_sign_flag(s, nb_significant_coeff_flag - 1) << (16 - (nb_significant_coeff_flag - 1));
1172 for (m = 0; m < n_end; m++) {
1173 n = significant_coeff_flag_idx[m];
1175 trans_coeff_level = 1 + coeff_abs_level_greater1_flag[n];
1176 if (trans_coeff_level == ((m < 8) ?
1177 ((n == first_greater1_coeff_idx) ? 3 : 2) : 1)) {
1180 trans_coeff_level += last_coeff_abs_level_remaining;
1181 if ((trans_coeff_level) > (3 * (1 << c_rice_param)))
1182 c_rice_param =
FFMIN(c_rice_param + 1, 4);
1185 sum_abs += trans_coeff_level;
1186 if (n == first_nz_pos_in_cg && ((sum_abs & 1) == 1))
1187 trans_coeff_level = -trans_coeff_level;
1189 if (coeff_sign_flag >> 15)
1190 trans_coeff_level = -trans_coeff_level;
1191 coeff_sign_flag <<= 1;
1194 if (y_c || x_c || log2_trafo_size < 4) {
1196 switch (log2_trafo_size) {
1197 case 3: pos = (y_c << 3) + x_c;
break;
1198 case 4: pos = ((y_c >> 1) << 3) + (x_c >> 1);
break;
1199 case 5: pos = ((y_c >> 2) << 3) + (x_c >> 2);
break;
1200 default: pos = (y_c << 2) + x_c;
1202 scale_m = scale_matrix[pos];
1207 trans_coeff_level = (trans_coeff_level * (int64_t)scale * (int64_t)scale_m + add) >> shift;
1208 if(trans_coeff_level < 0) {
1209 if((~trans_coeff_level) & 0xFffffffffff8000)
1210 trans_coeff_level = -32768;
1212 if (trans_coeff_level & 0xffffffffffff8000)
1213 trans_coeff_level = 32767;
1216 coeffs[y_c * trafo_size + x_c] = trans_coeff_level;
1222 if (transform_skip_flag)
1225 log2_trafo_size == 2)
1228 int max_xy =
FFMAX(last_significant_coeff_x, last_significant_coeff_y);
1232 int col_limit = last_significant_coeff_x + last_significant_coeff_y + 4;
1234 col_limit =
FFMIN(4, col_limit);
1235 else if (max_xy < 8)
1236 col_limit =
FFMIN(8, col_limit);
1237 else if (max_xy < 12)
1238 col_limit =
FFMIN(24, col_limit);
1239 s->
hevcdsp.
idct[log2_trafo_size - 2](coeffs, col_limit);
1247 int xBase,
int yBase,
int cb_xBase,
int cb_yBase,
1248 int log2_cb_size,
int log2_trafo_size,
1249 int blk_idx,
int cbf_luma,
int cbf_cb,
int cbf_cr)
1254 int trafo_size = 1 << log2_trafo_size;
1258 if (log2_trafo_size > 2) {
1259 trafo_size = trafo_size << (s->
ps.
sps->
hshift[1] - 1);
1263 }
else if (blk_idx == 3) {
1266 trafo_size, trafo_size);
1272 if (cbf_luma || cbf_cb || cbf_cr) {
1286 "The cu_qp_delta %d is outside the valid range " 1317 if (log2_trafo_size > 2) {
1322 }
else if (blk_idx == 3) {
1334 int cb_size = 1 << log2_cb_size;
1342 for (j = (y0 >> log2_min_pu_size); j < (y_end >> log2_min_pu_size); j++)
1343 for (i = (x0 >> log2_min_pu_size); i < (x_end >> log2_min_pu_size); i++)
1344 s->
is_pcm[i + j * min_pu_width] = 2;
1348 int xBase,
int yBase,
int cb_xBase,
int cb_yBase,
1349 int log2_cb_size,
int log2_trafo_size,
1350 int trafo_depth,
int blk_idx,
1351 int cbf_cb,
int cbf_cr)
1358 if (trafo_depth == 1)
1364 if (log2_trafo_size <= s->ps.sps->log2_max_trafo_size &&
1366 trafo_depth < lc->cu.max_trafo_depth &&
1380 if (log2_trafo_size > 2 && (trafo_depth == 0 || cbf_cb))
1382 else if (log2_trafo_size > 2 || trafo_depth == 0)
1384 if (log2_trafo_size > 2 && (trafo_depth == 0 || cbf_cr))
1386 else if (log2_trafo_size > 2 || trafo_depth == 0)
1389 if (split_transform_flag) {
1390 const int trafo_size_split = 1 << (log2_trafo_size - 1);
1391 const int x1 = x0 + trafo_size_split;
1392 const int y1 = y0 + trafo_size_split;
1394 #define SUBDIVIDE(x, y, idx) \ 1396 ret = hls_transform_tree(s, x, y, x0, y0, cb_xBase, cb_yBase, log2_cb_size, \ 1397 log2_trafo_size - 1, trafo_depth + 1, idx, \ 1420 log2_cb_size, log2_trafo_size,
1421 blk_idx, cbf_luma, cbf_cb, cbf_cr);
1427 for (i = 0; i < (1 << log2_trafo_size); i += min_tu_size)
1428 for (j = 0; j < (1 << log2_trafo_size); j += min_tu_size) {
1429 int x_tu = (x0 + j) >> log2_min_tu_size;
1430 int y_tu = (y0 + i) >> log2_min_tu_size;
1431 s->
cbf_luma[y_tu * min_tu_width + x_tu] = 1;
1449 int cb_size = 1 << log2_cb_size;
1488 case 0: lc->
pu.
mvd.
x = 0;
break;
1494 case 0: lc->
pu.
mvd.
y = 0;
break;
1513 int block_w,
int block_h,
int pred_idx)
1517 ptrdiff_t srcstride = ref->
linesize[0];
1526 x_off += mv->
x >> 2;
1527 y_off += mv->
y >> 2;
1530 if (x_off < extra_left || y_off < extra_top ||
1534 int offset = extra_top * srcstride + (extra_left << s->
ps.
sps->
pixel_shift);
1535 int buf_offset = extra_top *
1539 edge_emu_stride, srcstride,
1542 x_off - extra_left, y_off - extra_top,
1543 pic_width, pic_height);
1545 srcstride = edge_emu_stride;
1567 int x_off,
int y_off,
int block_w,
int block_h,
int pred_idx)
1572 ptrdiff_t src1stride = ref->
linesize[1];
1573 ptrdiff_t src2stride = ref->
linesize[2];
1580 x_off += mv->
x >> 3;
1581 y_off += mv->
y >> 3;
1597 edge_emu_stride, src1stride,
1601 pic_width, pic_height);
1604 src1stride = edge_emu_stride;
1609 edge_emu_stride, src2stride,
1613 pic_width, pic_height);
1615 src2stride = edge_emu_stride;
1630 int y = (mv->
y >> 2) + y0 + height + 9;
1635 int nPbH,
int log2_cb_size,
int part_idx,
1646 if (inter_pred_idc !=
PRED_L1) {
1654 part_idx, merge_idx, mv, mvp_flag, 0);
1659 if (inter_pred_idc !=
PRED_L0) {
1672 part_idx, merge_idx, mv, mvp_flag, 1);
1680 int log2_cb_size,
int partIdx)
1682 static const int pred_indices[] = {
1683 [4] = 0, [8] = 1, [12] = 2, [16] = 3, [24] = 4, [32] = 5, [48] = 6, [64] = 7,
1685 const int pred_idx = pred_indices[nPbW];
1687 #define POS(c_idx, x, y) \ 1688 &s->frame->data[c_idx][((y) >> s->ps.sps->vshift[c_idx]) * s->frame->linesize[c_idx] + \ 1689 (((x) >> s->ps.sps->hshift[c_idx]) << s->ps.sps->pixel_shift)] 1692 struct MvField current_mv = {{{ 0 }}};
1707 int x_cb = x0 >> log2_min_cb_size;
1708 int y_cb = y0 >> log2_min_cb_size;
1724 partIdx, merge_idx, ¤t_mv);
1727 partIdx, merge_idx, ¤t_mv);
1735 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
1738 ref0 = refPicList[0].
ref[current_mv.
ref_idx[0]];
1744 ref1 = refPicList[1].
ref[current_mv.
ref_idx[1]];
1755 ¤t_mv.
mv[0], x0, y0, nPbW, nPbH, pred_idx);
1768 ¤t_mv.
mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx);
1791 ¤t_mv.
mv[1], x0, y0, nPbW, nPbH, pred_idx);
1805 ¤t_mv.
mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx);
1828 ¤t_mv.
mv[0], x0, y0, nPbW, nPbH, pred_idx);
1830 ¤t_mv.
mv[1], x0, y0, nPbW, nPbH, pred_idx);
1840 tmp, tmp2, tmpstride, nPbH);
1843 tmp, tmp2, tmpstride, nPbH);
1847 ¤t_mv.
mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx);
1849 ¤t_mv.
mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx);
1859 tmpstride, nPbH / 2);
1866 tmpstride, nPbH / 2);
1878 int prev_intra_luma_pred_flag)
1896 int intra_pred_mode;
1901 if ((y0 - 1) < y_ctb)
1904 if (cand_left == cand_up) {
1905 if (cand_left < 2) {
1910 candidate[0] = cand_left;
1911 candidate[1] = 2 + ((cand_left - 2 - 1 + 32) & 31);
1912 candidate[2] = 2 + ((cand_left - 2 + 1) & 31);
1915 candidate[0] = cand_left;
1916 candidate[1] = cand_up;
1926 if (prev_intra_luma_pred_flag) {
1927 intra_pred_mode = candidate[lc->
pu.
mpm_idx];
1929 if (candidate[0] > candidate[1])
1931 if (candidate[0] > candidate[2])
1933 if (candidate[1] > candidate[2])
1937 for (i = 0; i < 3; i++)
1938 if (intra_pred_mode >= candidate[i])
1945 for (i = 0; i < size_in_pus; i++) {
1946 memset(&s->
tab_ipm[(y_pu + i) * min_pu_width + x_pu],
1947 intra_pred_mode, size_in_pus);
1949 for (j = 0; j < size_in_pus; j++) {
1950 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
is_intra = 1;
1951 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
pred_flag[0] = 0;
1952 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
pred_flag[1] = 0;
1953 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
ref_idx[0] = 0;
1954 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
ref_idx[1] = 0;
1955 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
mv[0].x = 0;
1956 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
mv[0].y = 0;
1957 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
mv[1].x = 0;
1958 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].
mv[1].y = 0;
1962 return intra_pred_mode;
1966 int log2_cb_size,
int ct_depth)
1973 for (y = 0; y < length; y++)
1982 static const uint8_t intra_chroma_table[4] = { 0, 26, 10, 1 };
1983 uint8_t prev_intra_luma_pred_flag[4];
1985 int pb_size = (1 << log2_cb_size) >> split;
1986 int side = split + 1;
1990 for (i = 0; i < side; i++)
1991 for (j = 0; j < side; j++)
1994 for (i = 0; i < side; i++) {
1995 for (j = 0; j < side; j++) {
1996 if (prev_intra_luma_pred_flag[2 * i + j])
2003 prev_intra_luma_pred_flag[2 * i + j]);
2008 if (chroma_mode != 4) {
2023 int pb_size = 1 << log2_cb_size;
2031 if (size_in_pus == 0)
2033 for (j = 0; j < size_in_pus; j++) {
2034 memset(&s->
tab_ipm[(y_pu + j) * min_pu_width + x_pu],
INTRA_DC, size_in_pus);
2035 for (k = 0; k < size_in_pus; k++)
2042 int cb_size = 1 << log2_cb_size;
2045 int length = cb_size >> log2_min_cb_size;
2047 int x_cb = x0 >> log2_min_cb_size;
2048 int y_cb = y0 >> log2_min_cb_size;
2058 for (x = 0; x < 4; x++)
2070 x = y_cb * min_cb_width + x_cb;
2071 for (y = 0; y < length; y++) {
2072 memset(&s->
skip_flag[x], skip_flag, length);
2099 log2_cb_size <= s->ps.sps->pcm.log2_max_pcm_cb_size) {
2147 hls_prediction_unit(s, x0 + cb_size / 2, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 3);
2153 int rqt_root_cbf = 1;
2165 log2_cb_size, 0, 0, 0, 0);
2178 x = y_cb * min_cb_width + x_cb;
2179 for (y = 0; y < length; y++) {
2190 int log2_cb_size,
int cb_depth)
2193 const int cb_size = 1 << log2_cb_size;
2197 if (x0 + cb_size <= s->ps.sps->width &&
2198 y0 + cb_size <= s->ps.sps->height &&
2211 const int cb_size_split = cb_size >> 1;
2212 const int x1 = x0 + cb_size_split;
2213 const int y1 = y0 + cb_size_split;
2218 #define SUBDIVIDE(x, y) \ 2220 if (x < s->ps.sps->width && y < s->ps.sps->height) { \ 2221 int ret = hls_coding_quadtree(s, x, y, log2_cb_size, cb_depth);\ 2246 int ctb_addr_in_slice = ctb_addr_rs - s->
sh.
slice_addr;
2251 if (x_ctb == 0 && (y_ctb & (ctb_size - 1)) == 0)
2278 if (!ctb_addr_in_slice)
2280 if (ctb_addr_in_slice < s->ps.sps->ctb_width)
2299 while (more_data && ctb_addr_ts < s->ps.sps->ctb_size) {
2336 for (c_idx = 0; c_idx < 3; c_idx++) {
2344 int len = min_pu_size >> hshift;
2347 for (n = 0; n < (min_pu_size >> vshift); n++) {
2348 memcpy(dst, src, len);
2461 int ctb_addr_ts, ret;
2510 if (s->
max_ra == INT_MAX) {
2532 }
else if (!s->
ref) {
2539 "Non-matching NAL types of the VCL NALUs: %d %d\n",
2549 "Error constructing the reference lists for the current slice.\n");
2574 if (ctb_addr_ts < 0) {
2613 "Error splitting the input into NAL units.\n");
2628 "Error parsing NAL unit #%d.\n", i);
2643 for (i = 0; i < 16; i++)
2644 av_log(log_ctx, level,
"%02"PRIx8, md5[i]);
2673 for (i = 0; frame->
data[i]; i++) {
2681 for (j = 0; j < h; j++) {
2686 (
const uint16_t *) src, w);
2694 if (!memcmp(md5, s->
md5[i], 16)) {
2736 "hardware accelerator failed to decode picture\n");
2953 int i, j, num_arrays, nal_len_size;
2958 nal_len_size = (bytestream2_get_byte(&gb) & 3) + 1;
2959 num_arrays = bytestream2_get_byte(&gb);
2966 for (i = 0; i < num_arrays; i++) {
2967 int type = bytestream2_get_byte(&gb) & 0x3f;
2968 int cnt = bytestream2_get_be16(&gb);
2970 for (j = 0; j < cnt; j++) {
2972 int nalsize = bytestream2_peek_be16(&gb) + 2;
2975 "Invalid NAL unit size in extradata.\n");
2982 "Decoding nal unit %d %d from hvcC failed\n",
3039 memset(s, 0,
sizeof(*s));
3055 #define OFFSET(x) offsetof(HEVCContext, x) 3056 #define PAR (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) 3059 {
"apply_defdispwin",
"Apply default display window from VUI",
OFFSET(apply_defdispwin),
3077 .priv_class = &hevc_decoder_class,
#define EDGE_EMU_BUFFER_STRIDE
static const uint8_t horiz_scan2x2_x[4]
int frame_packing_arrangement_type
unsigned int log2_min_cb_size
int sei_frame_packing_present
frame packing arrangement variables
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int ff_hevc_merge_idx_decode(HEVCContext *s)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
static void chroma_mc(HEVCContext *s, int16_t *dst1, int16_t *dst2, ptrdiff_t dststride, AVFrame *ref, const Mv *mv, int x_off, int y_off, int block_w, int block_h, int pred_idx)
8.5.3.2.2.2 Chroma sample interpolation process
int ff_hevc_frame_nb_refs(HEVCContext *s)
Get the number of candidate references for the current frame.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
static void restore_tqb_pixels(HEVCContext *s)
void(* bswap16_buf)(uint16_t *dst, const uint16_t *src, int len)
static void hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
Views are alternated temporally.
static int get_se_golomb(GetBitContext *gb)
read signed exp golomb code.
int ff_hevc_merge_flag_decode(HEVCContext *s)
int ff_hevc_sao_band_position_decode(HEVCContext *s)
int coded_width
Bitstream width / height, may be different from width/height e.g.
static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref, const Mv *mv, int y0, int height)
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
Views are next to each other, but when upscaling apply a checkerboard pattern.
#define AV_LOG_WARNING
Something somehow does not look correct.
int content_interpretation_type
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth)
void(* put_unweighted_pred_avg[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int height)
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
int16_t x
horizontal component of motion vector
void * hwaccel_picture_private
static int hevc_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
uint8_t intra_split_flag
IntraSplitFlag.
void(* put_hevc_epel[2][2][8])(int16_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int height, int mx, int my, int16_t *mcbuffer)
int rem_intra_luma_pred_mode
enum AVColorRange color_range
MPEG vs JPEG YUV range.
void ff_hevc_luma_mv_merge_mode(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
static int decode_nal_unit(HEVCContext *s, const H2645NAL *nal)
int ff_hevc_significant_coeff_group_flag_decode(HEVCContext *s, int c_idx, int ctx_cg)
const uint8_t ff_hevc_diag_scan4x4_x[16]
void(* put_unweighted_pred[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src, ptrdiff_t srcstride, int height)
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
uint8_t weighted_bipred_flag
int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length, void *logctx, int is_nalff, int nal_length_size, enum AVCodecID codec_id)
Split an input packet into NAL units.
void ff_hevc_unref_frame(HEVCContext *s, HEVCFrame *frame, int flags)
#define DECLARE_ALIGNED(n, t, v)
void(* add_residual[4])(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride)
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
static void intra_prediction_unit(HEVCContext *s, int x0, int y0, int log2_cb_size)
uint8_t seq_loop_filter_across_slices_enabled_flag
uint8_t cabac_init_present_flag
void ff_hevc_hls_filter(HEVCContext *s, int x, int y)
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
Move everything contained in src to dst and reset src.
int ff_hevc_frame_rps(HEVCContext *s)
Construct the reference picture sets for the current frame.
#define FF_ARRAY_ELEMS(a)
int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
int ff_hevc_coeff_abs_level_greater2_flag_decode(HEVCContext *s, int c_idx, int inc)
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
void ff_thread_await_progress(ThreadFrame *f, int n, int field)
Wait for earlier decoding threads to finish reference pictures.
struct HEVCFrame * ref[MAX_REFS]
AVBufferRef * vps_list[MAX_VPS_COUNT]
ShortTermRPS st_rps[MAX_SHORT_TERM_RPS_COUNT]
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
int ff_hevc_sao_type_idx_decode(HEVCContext *s)
uint16_t seq_decode
Sequence counters for decoded and output frames, so that old frames are output first after a POC rese...
static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
enum NALUnitType first_nal_type
Macro definitions for various function/variable attributes.
void(* idct[4])(int16_t *coeffs, int col_limit)
uint8_t entropy_coding_sync_enabled_flag
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
void(* weighted_pred_chroma[8])(uint8_t denom, int16_t wlxFlag, int16_t olxFlag, uint8_t *dst, ptrdiff_t dststride, int16_t *src, ptrdiff_t srcstride, int height)
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
static int hls_slice_data(HEVCContext *s)
const uint8_t ff_hevc_qpel_extra_before[4]
static void hls_sao_param(HEVCContext *s, int rx, int ry)
AVBufferPool * rpl_tab_pool
candidate references for the current frame
struct AVHWAccel * hwaccel
Hardware accelerator in use.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
static void hevc_luma_mv_mpv_mode(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
int ff_hevc_last_significant_coeff_y_prefix_decode(HEVCContext *s, int c_idx, int log2_size)
unsigned int log2_max_trafo_size
struct AVMD5 * av_md5_alloc(void)
int ff_hevc_mpm_idx_decode(HEVCContext *s)
int ff_hevc_coeff_abs_level_greater1_flag_decode(HEVCContext *s, int c_idx, int ctx_set)
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
void(* weighted_pred_avg_chroma[8])(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag, int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst, ptrdiff_t dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int height)
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
static int set_side_data(HEVCContext *s)
uint8_t ctb_up_right_flag
uint8_t vps_timing_info_present_flag
int ff_hevc_abs_mvd_greater0_flag_decode(HEVCContext *s)
static int hls_slice_header(HEVCContext *s)
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
unsigned int log2_min_pcm_cb_size
static int hls_transform_unit(HEVCContext *s, int x0, int y0, int xBase, int yBase, int cb_xBase, int cb_yBase, int log2_cb_size, int log2_trafo_size, int blk_idx, int cbf_luma, int cbf_cb, int cbf_cr)
void ff_h2645_packet_uninit(H2645Packet *pkt)
Free all the allocated memory in the packet.
static int hls_coding_unit(HEVCContext *s, int x0, int y0, int log2_cb_size)
static void luma_mc(HEVCContext *s, int16_t *dst, ptrdiff_t dststride, AVFrame *ref, const Mv *mv, int x_off, int y_off, int block_w, int block_h, int pred_idx)
8.5.3.2.2.1 Luma sample interpolation process
uint8_t scaling_list_data_present_flag
int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
int ff_hevc_decode_nal_sei(HEVCContext *s)
int ff_set_sar(AVCodecContext *avctx, AVRational sar)
Check that the provided sample aspect ratio is valid and set it on the codec context.
#define EPEL_EXTRA_BEFORE
uint8_t loop_filter_disable_flag
int ff_hevc_mvd_decode(HEVCContext *s)
static void print_md5(void *log_ctx, int level, uint8_t md5[16])
int sei_anticlockwise_rotation
void ff_hevc_flush_dpb(HEVCContext *s)
Drop all frames currently in DPB.
void(* weighted_pred_avg[8])(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag, int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst, ptrdiff_t dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int height)
static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb)
uint8_t cu_transquant_bypass_flag
void ff_thread_finish_setup(AVCodecContext *avctx)
If the codec defines update_thread_context(), call this when they are ready for the next thread to st...
static av_unused const uint8_t * skip_bytes(CABACContext *c, int n)
Skip n bytes and reset the decoder.
uint8_t transquant_bypass_enable_flag
int ff_hevc_sao_offset_sign_decode(HEVCContext *s)
int temporal_id
temporal_id_plus1 - 1
#define SET_SAO(elem, value)
void(* put_unweighted_pred_chroma[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src, ptrdiff_t srcstride, int height)
static void hevc_decode_flush(AVCodecContext *avctx)
const AVProfile ff_hevc_profiles[]
int slice_idx
number of the slice being currently decoded
#define BOUNDARY_UPPER_SLICE
static int get_bits_left(GetBitContext *gb)
uint8_t intra_pred_mode[4]
void av_md5_update(AVMD5 *ctx, const uint8_t *src, const int len)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int has_b_frames
Size of the frame reordering buffer in the decoder.
int flags
Additional information about the frame packing.
static av_cold int hevc_init_thread_copy(AVCodecContext *avctx)
void ff_hevc_deblocking_boundary_strengths(HEVCContext *s, int x0, int y0, int log2_trafo_size)
uint8_t slice_initialized
1 if the independent slice segment header was successfully parsed
unsigned int log2_max_poc_lsb
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
AVBufferRef * rpl_tab_buf
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int vui_timing_info_present_flag
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
void(* intra_pred[4])(struct HEVCContext *s, int x0, int y0, int c_idx)
int ff_hevc_compute_poc(HEVCContext *s, int poc_lsb)
Compute POC of the current frame and return it.
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
unsigned int log2_ctb_size
const char * name
Name of the codec implementation.
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
static int verify_md5(HEVCContext *s, AVFrame *frame)
static const AVClass hevc_decoder_class
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
uint8_t max_trafo_depth
MaxTrafoDepth.
uint16_t sequence
A sequence counter, so that old frames are output first after a POC reset.
static char * split(char *message, char delim)
uint8_t tiles_enabled_flag
int eo_class[3]
sao_eo_class
uint32_t vps_num_units_in_tick
static av_cold int hevc_init_context(AVCodecContext *avctx)
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
int ff_hevc_mvd_sign_flag_decode(HEVCContext *s)
void(* put_hevc_qpel[2][2][8])(int16_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int height, int mx, int my, int16_t *mcbuffer)
common internal API header
int16_t mc_buffer[(64+24) *64]
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
uint8_t lists_modification_present_flag
av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
AVBufferRef * tab_mvf_buf
int ff_hevc_coeff_abs_level_remaining(HEVCContext *s, int base_level, int rc_rice_param)
uint8_t type_idx[3]
sao_type_idx
const uint8_t ff_hevc_qpel_extra[4]
int ff_hevc_transform_skip_flag_decode(HEVCContext *s, int c_idx)
const uint8_t ff_hevc_qpel_extra_after[4]
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
int max_transform_hierarchy_depth_inter
static const AVOption options[]
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
int offset_abs[3][4]
sao_offset_abs
int width
picture width / height.
int ff_hevc_output_frame(HEVCContext *s, AVFrame *frame, int flush)
Find next frame in output order and put a reference to it in frame.
static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length)
void ff_hevc_hls_filters(HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
static int luma_intra_pred_mode(HEVCContext *s, int x0, int y0, int pu_size, int prev_intra_luma_pred_flag)
8.4.1
AVBufferRef * pps_list[MAX_PPS_COUNT]
static int set_sps(HEVCContext *s, const HEVCSPS *sps, enum AVPixelFormat pix_fmt)
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
void ff_thread_report_progress(ThreadFrame *f, int n, int field)
Notify later decoding threads when part of their reference picture is ready.
void(* emulated_edge_mc)(uint8_t *buf, const uint8_t *src, ptrdiff_t buf_linesize, ptrdiff_t src_linesize, int block_w, int block_h, int src_x, int src_y, int w, int h)
Copy a rectangular area of samples to a temporary buffer and replicate the border samples...
#define AV_STEREO3D_FLAG_INVERT
Inverted views, Right/Bottom represents the left view.
void(* idct_dc[4])(int16_t *coeffs)
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
uint8_t cu_qp_delta_enabled_flag
uint8_t used_by_curr_pic_lt_sps_flag[32]
static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size)
Context Adaptive Binary Arithmetic Coder inline functions.
void(* put_pcm)(uint8_t *dst, ptrdiff_t stride, int size, GetBitContext *gb, int pcm_bit_depth)
void ff_hevc_set_neighbour_available(HEVCContext *s, int x0, int y0, int nPbW, int nPbH)
uint8_t sign_data_hiding_flag
uint8_t output_flag_present_flag
enum AVPixelFormat pix_fmt
int offset_val[3][5]
SaoOffsetVal.
void av_display_rotation_set(int32_t matrix[9], double angle)
Initialize a transformation matrix describing a pure counterclockwise rotation by the specified angle...
static int hevc_frame_start(HEVCContext *s)
the normal 2^n-1 "JPEG" YUV ranges
if(ac->has_optimized_func)
int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
Select the (possibly hardware accelerated) pixel format.
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
static unsigned get_ue_golomb_long(GetBitContext *gb)
Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth, int x0, int y0)
int colour_description_present_flag
static const int8_t mv[256][2]
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
static void hls_prediction_unit(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int partIdx)
enum AVPixelFormat pix_fmt
int sei_display_orientation_present
display orientation
void ff_hevc_dsp_init(HEVCDSPContext *hevcdsp, int bit_depth)
enum AVStereo3DType type
How views are packed within the video.
#define AV_LOG_INFO
Standard information.
static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
static void pic_arrays_free(HEVCContext *s)
NOTE: Each function hls_foo correspond to the function foo in the specification (HLS stands for High ...
uint8_t transform_skip_enabled_flag
static av_cold int hevc_decode_init(AVCodecContext *avctx)
int ff_hevc_significant_coeff_flag_decode(HEVCContext *s, int c_idx, int x_c, int y_c, int log2_trafo_size, int scan_idx, int prev_sig)
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
int(* end_frame)(AVCodecContext *avctx)
Called at the end of each frame or field picture.
uint8_t is_nalff
this flag is != 0 if bitstream is encapsulated as a format defined in 14496-15
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
AVBufferRef * av_buffer_alloc(int size)
Allocate an AVBuffer of the given size using av_malloc().
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
unsigned int log2_min_pu_size
int ff_hevc_abs_mvd_greater1_flag_decode(HEVCContext *s)
unsigned int sps_id
seq_parameter_set_id
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
main external API structure.
void av_display_matrix_flip(int32_t matrix[9], int hflip, int vflip)
Flip the input matrix horizontally and/or vertically.
static int hevc_decode_extradata(HEVCContext *s)
enum PredMode pred_mode
PredMode.
AVBufferRef * hwaccel_priv_buf
int num_extra_slice_header_bits
uint8_t * data
The data buffer.
int16_t y
vertical component of motion vector
void ff_hevc_clear_refs(HEVCContext *s)
Mark all frames in DPB as unused for reference.
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
void(* transform_4x4_luma)(int16_t *coeffs)
uint8_t num_long_term_ref_pics_sps
void av_md5_init(AVMD5 *ctx)
static void hls_decode_neighbour(HEVCContext *s, int x_ctb, int y_ctb, int ctb_addr_ts)
uint32_t vui_num_units_in_tick
static const AVProfile profiles[]
AVBufferRef * av_buffer_allocz(int size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
uint8_t deblocking_filter_control_present_flag
static void export_stream_params(AVCodecContext *avctx, const HEVCParamSets *ps, const HEVCSPS *sps)
static unsigned int get_bits1(GetBitContext *s)
void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth)
uint8_t * checksum_buf
used on BE to byteswap the lines for checksumming
#define AV_PIX_FMT_YUV420P10
uint8_t sps_temporal_mvp_enabled_flag
Describe the class of an AVClass context structure.
static void skip_bits(GetBitContext *s, int n)
AVFrameSideData * av_frame_new_side_data(AVFrame *frame, enum AVFrameSideDataType type, int size)
Add a new side data to a frame.
void(* weighted_pred[8])(uint8_t denom, int16_t wlxFlag, int16_t olxFlag, uint8_t *dst, ptrdiff_t dststride, int16_t *src, ptrdiff_t srcstride, int height)
const uint8_t ff_hevc_diag_scan8x8_y[64]
void av_buffer_pool_uninit(AVBufferPool **ppool)
Mark the pool as being available for freeing.
static av_always_inline void set_ct_depth(HEVCContext *s, int x0, int y0, int log2_cb_size, int ct_depth)
enum AVColorSpace colorspace
YUV colorspace type.
static void pred_weight_table(HEVCContext *s, GetBitContext *gb)
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
HW acceleration through VDPAU, Picture.data[3] contains a VdpVideoSurface.
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7) *EDGE_EMU_BUFFER_STRIDE *2]
int ff_hevc_sao_eo_class_decode(HEVCContext *s)
static const uint8_t diag_scan2x2_inv[2][2]
#define AV_EF_CRCCHECK
Verify checksums embedded in the bitstream (could be of either encoded or decoded data...
unsigned int log2_min_tb_size
enum PartMode part_mode
PartMode.
uint16_t lt_ref_pic_poc_lsb_sps[32]
int ff_hevc_slice_rpl(HEVCContext *s)
Construct the reference picture list(s) for the current slice.
static const uint8_t horiz_scan4x4_x[16]
enum NALUnitType nal_unit_type
void av_md5_final(AVMD5 *ctx, uint8_t *dst)
int allocate_progress
Whether to allocate progress for frame threading.
uint8_t scaling_list_enable_flag
static void set_deblocking_bypass(HEVCContext *s, int x0, int y0, int log2_cb_size)
static const uint8_t horiz_scan4x4_y[16]
int tc_offset
tc_offset_div2 * 2
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
uint8_t transfer_characteristic
static enum AVPixelFormat pix_fmts[]
uint8_t flags
A combination of HEVC_FRAME_FLAG_*.
Views are on top of each other.
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
int(* decode_slice)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size)
Callback for each slice.
AVStereo3D * av_stereo3d_create_side_data(AVFrame *frame)
Allocate a complete AVFrameSideData and add it to the frame.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx)
uint8_t intra_pred_mode_c
static int hls_coding_quadtree(HEVCContext *s, int x0, int y0, int log2_cb_size, int cb_depth)
the normal 219*2^(n-8) "MPEG" YUV ranges
int(* start_frame)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size)
Called at the beginning of each frame or field picture.
int eos
current packet contains an EOS/EOB NAL
Views are next to each other.
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s)
int max_transform_hierarchy_depth_intra
coded frame dimension in various units
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
Allocate a buffer, reusing the given one if large enough.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static void hls_residual_coding(HEVCContext *s, int x0, int y0, int log2_trafo_size, enum ScanType scan_idx, int c_idx)
common internal and external API header
AVBufferPool * av_buffer_pool_init(int size, AVBufferRef *(*alloc)(int size))
Allocate and initialize a buffer pool.
uint8_t weighted_pred_flag
#define BOUNDARY_LEFT_SLICE
void(* put_unweighted_pred_avg_chroma[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int height)
static av_cold void flush(AVCodecContext *avctx)
Flush (reset) the frame ID after seeking.
int32_t * tab_slice_address
static int hevc_decode_frame(AVCodecContext *avctx, void *data, int *got_output, AVPacket *avpkt)
unsigned int * column_width
ColumnWidth.
static const uint8_t diag_scan2x2_x[4]
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
uint8_t * filter_slice_edges
uint8_t slice_header_extension_present_flag
int ff_hevc_coeff_sign_flag(HEVCContext *s, uint8_t nb)
int nal_length_size
Number of bytes used for nal length (1, 2 or 4)
void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv, int mvp_lx_flag, int LX)
AVBufferPool * tab_mvf_pool
static av_cold int init(AVCodecParserContext *s)
static int hls_transform_tree(HEVCContext *s, int x0, int y0, int xBase, int yBase, int cb_xBase, int cb_yBase, int log2_cb_size, int log2_trafo_size, int trafo_depth, int blk_idx, int cbf_cb, int cbf_cr)
int video_full_range_flag
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
av_cold void ff_bswapdsp_init(BswapDSPContext *c)
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
#define SUBDIVIDE(x, y, idx)
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size)
#define GET_COORD(offset, n)
static const uint8_t horiz_scan8x8_inv[8][8]
int ff_hevc_pred_mode_decode(HEVCContext *s)
struct AVCodecInternal * internal
Private context used for internal data.
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
int key_frame
1 -> keyframe, 0-> not
void ff_hevc_set_qPy(HEVCContext *s, int xC, int yC, int xBase, int yBase, int log2_cb_size)
static const uint8_t diag_scan4x4_inv[4][4]
int ff_hevc_last_significant_coeff_suffix_decode(HEVCContext *s, int last_significant_coeff_prefix)
uint8_t long_term_ref_pics_present_flag
int temporal_id
HEVC only, nuh_temporal_id_plus_1 - 1.
static void * av_mallocz_array(size_t nmemb, size_t size)
int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
static const uint8_t scan_1x1[1]
int ff_hevc_last_significant_coeff_x_prefix_decode(HEVCContext *s, int c_idx, int log2_size)
int diff_cu_qp_delta_depth
void(* dequant)(int16_t *coeffs)
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
int ff_hevc_pcm_flag_decode(HEVCContext *s)
const uint8_t ff_hevc_diag_scan8x8_x[64]
struct HEVCSPS::@21 temporal_layer[MAX_SUB_LAYERS]
HW decoding through Direct3D11, Picture.data[3] contains a ID3D11VideoDecoderOutputView pointer...
uint8_t context_initialized
int video_signal_type_present_flag
#define FFSWAP(type, a, b)
uint8_t deblocking_filter_override_enabled_flag
int beta_offset
beta_offset_div2 * 2
static const uint8_t horiz_scan2x2_y[4]
#define BOUNDARY_LEFT_TILE
static const uint8_t diag_scan2x2_y[4]
int depth
Number of bits in the component.
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
AVPixelFormat
Pixel format.
static av_cold int hevc_decode_free(AVCodecContext *avctx)
This structure stores compressed data.
AVBufferRef * sps_list[MAX_SPS_COUNT]
#define AV_GET_BUFFER_FLAG_REF
The decoder will keep a reference to the frame and may reuse it later.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
static int hevc_ref_frame(HEVCContext *s, HEVCFrame *dst, HEVCFrame *src)
static const uint8_t diag_scan8x8_inv[8][8]
uint8_t separate_colour_plane_flag
output (i.e. cropped) values
const uint8_t ff_hevc_diag_scan4x4_y[16]
static void intra_prediction_unit_default_value(HEVCContext *s, int x0, int y0, int log2_cb_size)
#define SAMPLE_CTB(tab, x, y)
uint8_t dependent_slice_segments_enabled_flag
int offset_sign[3][4]
sao_offset_sign
#define BOUNDARY_UPPER_TILE