30 #define CABAC_MAX_BIN 31
198 110, 110, 124, 125, 140, 153, 125, 127, 140, 109, 111, 143, 127, 111,
201 110, 110, 124, 125, 140, 153, 125, 127, 140, 109, 111, 143, 127, 111,
206 111, 111, 125, 110, 110, 94, 124, 108, 124, 107, 125, 141, 179, 153,
207 125, 107, 125, 141, 179, 153, 125, 107, 125, 141, 179, 153, 125, 140,
208 139, 182, 182, 152, 136, 152, 136, 153, 136, 139, 111, 136, 139, 111,
211 140, 92, 137, 138, 140, 152, 138, 139, 153, 74, 149, 92, 139, 107,
212 122, 152, 140, 179, 166, 182, 140, 227, 122, 197,
214 138, 153, 136, 167, 152, 152,
216 154, 154, 154, 154, 154, 154, 154, 154,
275 125, 110, 94, 110, 95, 79, 125, 111, 110, 78, 110, 111, 111, 95,
278 125, 110, 94, 110, 95, 79, 125, 111, 110, 78, 110, 111, 111, 95,
283 155, 154, 139, 153, 139, 123, 123, 63, 153, 166, 183, 140, 136, 153,
284 154, 166, 183, 140, 136, 153, 154, 166, 183, 140, 136, 153, 154, 170,
285 153, 123, 123, 107, 121, 107, 121, 167, 151, 183, 140, 151, 183, 140,
288 154, 196, 196, 167, 154, 152, 167, 182, 182, 134, 149, 136, 153, 121,
289 136, 137, 169, 194, 166, 167, 154, 167, 137, 182,
291 107, 167, 91, 122, 107, 167,
293 154, 154, 154, 154, 154, 154, 154, 154,
352 125, 110, 124, 110, 95, 94, 125, 111, 111, 79, 125, 126, 111, 111,
355 125, 110, 124, 110, 95, 94, 125, 111, 111, 79, 125, 126, 111, 111,
360 170, 154, 139, 153, 139, 123, 123, 63, 124, 166, 183, 140, 136, 153,
361 154, 166, 183, 140, 136, 153, 154, 166, 183, 140, 136, 153, 154, 170,
362 153, 138, 138, 122, 121, 122, 121, 167, 151, 183, 140, 151, 183, 140,
365 154, 196, 167, 167, 154, 152, 167, 182, 182, 134, 149, 136, 153, 121,
366 136, 122, 169, 208, 166, 167, 154, 152, 167, 182,
368 107, 167, 91, 107, 107, 167,
370 154, 154, 154, 154, 154, 154, 154, 154,
407 { 0, 1, 2, 3, 16, 17, 18, 19, },
408 { 4, 5, 6, 7, 20, 21, 22, 23, },
409 { 8, 9, 10, 11, 24, 25, 26, 27, },
410 { 12, 13, 14, 15, 28, 29, 30, 31, },
411 { 32, 33, 34, 35, 48, 49, 50, 51, },
412 { 36, 37, 38, 39, 52, 53, 54, 55, },
413 { 40, 41, 42, 43, 56, 57, 58, 59, },
414 { 44, 45, 46, 47, 60, 61, 62, 63, },
490 { 0, 2, 5, 9, 14, 20, 27, 35, },
491 { 1, 4, 8, 13, 19, 26, 34, 42, },
492 { 3, 7, 12, 18, 25, 33, 41, 48, },
493 { 6, 11, 17, 24, 32, 40, 47, 53, },
494 { 10, 16, 23, 31, 39, 46, 52, 57, },
495 { 15, 22, 30, 38, 45, 51, 56, 60, },
496 { 21, 29, 37, 44, 50, 55, 59, 62, },
497 { 28, 36, 43, 49, 54, 58, 61, 63, },
540 int m = (init_value >> 4) * 5 - 45;
541 int n = ((init_value & 15) << 3) - 16;
542 int pre = 2 * (((m * av_clip(s->
sh.
slice_qp, 0, 51)) >> 4) +
n) - 127;
546 pre = 124 + (pre & 1);
550 for (i = 0; i < 4; i++)
598 #define GET_CABAC(ctx) get_cabac(&s->HEVClc->cc, &s->HEVClc->cabac_state[ctx])
620 for (i = 0; i < 4; i++)
682 if (prefix_val >= 5) {
685 suffix_val += 1 << k;
694 return prefix_val + suffix_val;
725 int inc = 0, depth_left = 0, depth_top = 0;
736 inc += (depth_left > ct_depth);
737 inc += (depth_top > ct_depth);
751 if (log2_cb_size == 3)
802 for (i = 0; i < 4; i++)
836 if (nPbW + nPbH == 12)
847 int max = num_ref_idx_lx - 1;
848 int max_ctx =
FFMIN(max, 2);
947 int log2_size,
int *last_scx_prefix,
int *last_scy_prefix)
950 int max = (log2_size << 1) - 1;
951 int ctx_offset, ctx_shift;
954 ctx_offset = 3 * (log2_size - 2) + ((log2_size - 1) >> 2);
955 ctx_shift = (log2_size + 1) >> 2;
958 ctx_shift = log2_size - 2;
963 *last_scx_prefix = i;
969 *last_scy_prefix = i;
973 int last_significant_coeff_prefix)
976 int length = (last_significant_coeff_prefix >> 1) - 1;
979 for (i = 1; i <
length; i++)
988 inc =
FFMIN(ctx_cg, 1) + (c_idx>0 ? 2 : 0);
995 int inc = ctx_idx_map[(y_c << 2) + x_c] + offset;
1025 int last_coeff_abs_level_remaining;
1035 for (i = 0; i < rc_rice_param; i++)
1037 last_coeff_abs_level_remaining = (prefix << rc_rice_param) + suffix;
1039 int prefix_minus3 = prefix - 3;
1040 for (i = 0; i < prefix_minus3 + rc_rice_param; i++)
1042 last_coeff_abs_level_remaining = (((1 << prefix_minus3) + 3 - 1)
1043 << rc_rice_param) + suffix;
1045 return last_coeff_abs_level_remaining;
1053 for (i = 0; i < nb; i++)
1059 int log2_trafo_size,
enum ScanType scan_idx,
1062 #define GET_COORD(offset, n) \
1064 x_c = (x_cg << 2) + scan_x_off[n]; \
1065 y_c = (y_cg << 2) + scan_y_off[n]; \
1068 int transform_skip_flag = 0;
1070 int last_significant_coeff_x, last_significant_coeff_y;
1074 int greater1_ctx = 1;
1076 int num_last_subset;
1077 int x_cg_last_sig, y_cg_last_sig;
1079 const uint8_t *scan_x_cg, *scan_y_cg, *scan_x_off, *scan_y_off;
1087 uint8_t significant_coeff_group_flag[8][8] = {{0}};
1088 int explicit_rdpcm_flag = 0;
1089 int explicit_rdpcm_dir_flag;
1091 int trafo_size = 1 << log2_trafo_size;
1093 int qp,
shift,add,scale,scale_m;
1094 const uint8_t level_scale[] = { 40, 45, 51, 57, 64, 72 };
1100 memset(coeffs, 0, trafo_size * trafo_size *
sizeof(int16_t));
1104 static const int qp_c[] = { 29, 30, 31, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37 };
1106 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
1107 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
1108 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
1109 4, 5, 0, 1, 2, 3, 4, 5, 0, 1
1113 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
1114 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
1115 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10,
1116 10, 10, 11, 11, 11, 11, 11, 11, 12, 12
1118 int qp_y = lc->
qp_y;
1121 log2_trafo_size <= s->pps->log2_max_transform_skip_block_size) {
1144 qp = qp_c[qp_i - 30];
1156 add = 1 << (shift-1);
1157 scale = level_scale[rem6[qp]] << (div6[qp]);
1166 matrix_id = 3 * matrix_id + c_idx;
1168 scale_matrix = sl->
sl[log2_trafo_size - 2][matrix_id];
1169 if (log2_trafo_size >= 4)
1170 dc_scale = sl->
sl_dc[log2_trafo_size - 4][matrix_id];
1182 if (explicit_rdpcm_flag) {
1188 &last_significant_coeff_x, &last_significant_coeff_y);
1190 if (last_significant_coeff_x > 3) {
1192 last_significant_coeff_x = (1 << ((last_significant_coeff_x >> 1) - 1)) *
1193 (2 + (last_significant_coeff_x & 1)) +
1197 if (last_significant_coeff_y > 3) {
1199 last_significant_coeff_y = (1 << ((last_significant_coeff_y >> 1) - 1)) *
1200 (2 + (last_significant_coeff_y & 1)) +
1205 FFSWAP(
int, last_significant_coeff_x, last_significant_coeff_y);
1207 x_cg_last_sig = last_significant_coeff_x >> 2;
1208 y_cg_last_sig = last_significant_coeff_y >> 2;
1212 int last_x_c = last_significant_coeff_x & 3;
1213 int last_y_c = last_significant_coeff_y & 3;
1218 if (trafo_size == 4) {
1221 }
else if (trafo_size == 8) {
1225 }
else if (trafo_size == 16) {
1241 num_coeff =
horiz_scan8x8_inv[last_significant_coeff_y][last_significant_coeff_x];
1248 num_coeff =
horiz_scan8x8_inv[last_significant_coeff_x][last_significant_coeff_y];
1252 num_last_subset = (num_coeff - 1) >> 4;
1254 for (i = num_last_subset; i >= 0; i--) {
1256 int x_cg, y_cg, x_c, y_c, pos;
1257 int implicit_non_zero_coeff = 0;
1258 int64_t trans_coeff_level;
1263 uint8_t significant_coeff_flag_idx[16];
1264 uint8_t nb_significant_coeff_flag = 0;
1266 x_cg = scan_x_cg[i];
1267 y_cg = scan_y_cg[i];
1269 if ((i < num_last_subset) && (i > 0)) {
1271 if (x_cg < (1 << (log2_trafo_size - 2)) - 1)
1272 ctx_cg += significant_coeff_group_flag[x_cg + 1][y_cg];
1273 if (y_cg < (1 << (log2_trafo_size - 2)) - 1)
1274 ctx_cg += significant_coeff_group_flag[x_cg][y_cg + 1];
1276 significant_coeff_group_flag[x_cg][y_cg] =
1278 implicit_non_zero_coeff = 1;
1280 significant_coeff_group_flag[x_cg][y_cg] =
1281 ((x_cg == x_cg_last_sig && y_cg == y_cg_last_sig) ||
1282 (x_cg == 0 && y_cg == 0));
1285 last_scan_pos = num_coeff - offset - 1;
1287 if (i == num_last_subset) {
1288 n_end = last_scan_pos - 1;
1289 significant_coeff_flag_idx[0] = last_scan_pos;
1290 nb_significant_coeff_flag = 1;
1295 if (x_cg < ((1 << log2_trafo_size) - 1) >> 2)
1296 prev_sig = !!significant_coeff_group_flag[x_cg + 1][y_cg];
1297 if (y_cg < ((1 << log2_trafo_size) - 1) >> 2)
1298 prev_sig += (!!significant_coeff_group_flag[x_cg][y_cg + 1] << 1);
1300 if (significant_coeff_group_flag[x_cg][y_cg] && n_end >= 0) {
1301 static const uint8_t ctx_idx_map[] = {
1302 0, 1, 4, 5, 2, 3, 4, 5, 6, 6, 8, 8, 7, 7, 8, 8,
1303 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
1304 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
1305 2, 1, 0, 0, 2, 1, 0, 0, 2, 1, 0, 0, 2, 1, 0, 0,
1306 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
1312 ctx_idx_map_p = (
uint8_t*) &ctx_idx_map[4 * 16];
1316 scf_offset = 14 + 27;
1321 if (log2_trafo_size == 2) {
1322 ctx_idx_map_p = (
uint8_t*) &ctx_idx_map[0];
1324 ctx_idx_map_p = (
uint8_t*) &ctx_idx_map[(prev_sig + 1) << 4];
1326 if ((x_cg > 0 || y_cg > 0))
1328 if (log2_trafo_size == 3) {
1329 scf_offset += (scan_idx ==
SCAN_DIAG) ? 9 : 15;
1334 if (log2_trafo_size == 3)
1341 for (n = n_end; n > 0; n--) {
1342 x_c = scan_x_off[
n];
1343 y_c = scan_y_off[
n];
1345 significant_coeff_flag_idx[nb_significant_coeff_flag] =
n;
1346 nb_significant_coeff_flag++;
1347 implicit_non_zero_coeff = 0;
1350 if (implicit_non_zero_coeff == 0) {
1356 scf_offset = 16 + 27;
1365 scf_offset = 2 + scf_offset;
1369 significant_coeff_flag_idx[nb_significant_coeff_flag] = 0;
1370 nb_significant_coeff_flag++;
1373 significant_coeff_flag_idx[nb_significant_coeff_flag] = 0;
1374 nb_significant_coeff_flag++;
1378 n_end = nb_significant_coeff_flag;
1382 int first_nz_pos_in_cg;
1383 int last_nz_pos_in_cg;
1384 int c_rice_param = 0;
1385 int first_greater1_coeff_idx = -1;
1386 uint8_t coeff_abs_level_greater1_flag[8];
1387 uint16_t coeff_sign_flag;
1394 int ctx_set = (i > 0 && c_idx == 0) ? 2 : 0;
1398 sb_type = 2 * (c_idx == 0 ? 1 : 0);
1400 sb_type = 2 * (c_idx == 0 ? 1 : 0) + 1;
1404 if (!(i == num_last_subset) && greater1_ctx == 0)
1407 last_nz_pos_in_cg = significant_coeff_flag_idx[0];
1409 for (m = 0; m < (n_end > 8 ? 8 : n_end); m++) {
1410 int inc = (ctx_set << 2) + greater1_ctx;
1411 coeff_abs_level_greater1_flag[
m] =
1413 if (coeff_abs_level_greater1_flag[m]) {
1415 if (first_greater1_coeff_idx == -1)
1416 first_greater1_coeff_idx =
m;
1417 }
else if (greater1_ctx > 0 && greater1_ctx < 3) {
1421 first_nz_pos_in_cg = significant_coeff_flag_idx[n_end - 1];
1426 (pred_mode_intra == 10 || pred_mode_intra == 26 )) ||
1427 explicit_rdpcm_flag)
1430 sign_hidden = (last_nz_pos_in_cg - first_nz_pos_in_cg >= 4);
1432 if (first_greater1_coeff_idx != -1) {
1436 coeff_sign_flag =
coeff_sign_flag_decode(s, nb_significant_coeff_flag) << (16 - nb_significant_coeff_flag);
1438 coeff_sign_flag =
coeff_sign_flag_decode(s, nb_significant_coeff_flag - 1) << (16 - (nb_significant_coeff_flag - 1));
1441 for (m = 0; m < n_end; m++) {
1442 n = significant_coeff_flag_idx[
m];
1445 trans_coeff_level = 1 + coeff_abs_level_greater1_flag[
m];
1446 if (trans_coeff_level == ((m == first_greater1_coeff_idx) ? 3 : 2)) {
1449 trans_coeff_level += last_coeff_abs_level_remaining;
1450 if (trans_coeff_level > (3 << c_rice_param))
1453 int c_rice_p_init = lc->
stat_coeff[sb_type] / 4;
1454 if (last_coeff_abs_level_remaining >= (3 << c_rice_p_init))
1456 else if (2 * last_coeff_abs_level_remaining < (1 << c_rice_p_init))
1465 trans_coeff_level = 1 + last_coeff_abs_level_remaining;
1466 if (trans_coeff_level > (3 << c_rice_param))
1469 int c_rice_p_init = lc->
stat_coeff[sb_type] / 4;
1470 if (last_coeff_abs_level_remaining >= (3 << c_rice_p_init))
1472 else if (2 * last_coeff_abs_level_remaining < (1 << c_rice_p_init))
1479 sum_abs += trans_coeff_level;
1480 if (n == first_nz_pos_in_cg && (sum_abs&1))
1481 trans_coeff_level = -trans_coeff_level;
1483 if (coeff_sign_flag >> 15)
1484 trans_coeff_level = -trans_coeff_level;
1485 coeff_sign_flag <<= 1;
1488 if(y_c || x_c || log2_trafo_size < 4) {
1489 switch(log2_trafo_size) {
1490 case 3: pos = (y_c << 3) + x_c;
break;
1491 case 4: pos = ((y_c >> 1) << 3) + (x_c >> 1);
break;
1492 case 5: pos = ((y_c >> 2) << 3) + (x_c >> 2);
break;
1493 default: pos = (y_c << 2) + x_c;
break;
1495 scale_m = scale_matrix[pos];
1500 trans_coeff_level = (trans_coeff_level * (int64_t)scale * (int64_t)scale_m + add) >> shift;
1501 if(trans_coeff_level < 0) {
1502 if((~trans_coeff_level) & 0xFffffffffff8000)
1503 trans_coeff_level = -32768;
1505 if(trans_coeff_level & 0xffffffffffff8000)
1506 trans_coeff_level = 32767;
1509 coeffs[y_c * trafo_size + x_c] = trans_coeff_level;
1516 (pred_mode_intra == 10 || pred_mode_intra == 26))) {
1522 if (transform_skip_flag) {
1524 log2_trafo_size == 2 &&
1527 for (i = 0; i < 8; i++)
1528 FFSWAP(int16_t, coeffs[i], coeffs[16 - i - 1]);
1535 (pred_mode_intra == 10 || pred_mode_intra == 26))) {
1536 int mode = explicit_rdpcm_flag ? explicit_rdpcm_dir_flag : (pred_mode_intra == 26);
1543 int max_xy =
FFMAX(last_significant_coeff_x, last_significant_coeff_y);
1547 int col_limit = last_significant_coeff_x + last_significant_coeff_y + 4;
1549 col_limit =
FFMIN(4, col_limit);
1550 else if (max_xy < 8)
1551 col_limit =
FFMIN(8, col_limit);
1552 else if (max_xy < 12)
1553 col_limit =
FFMIN(24, col_limit);
1554 s->
hevcdsp.
idct[log2_trafo_size-2](coeffs, col_limit);
1561 for (i = 0; i < (trafo_size * trafo_size); i++) {
1582 case 0: lc->
pu.
mvd.
x = 0;
break;
1588 case 0: lc->
pu.
mvd.
y = 0;
break;
static av_always_inline int significant_coeff_group_flag_decode(HEVCContext *s, int c_idx, int ctx_cg)
static av_unused const int8_t num_bins_in_se[]
number of bin by SyntaxElement.
unsigned int log2_min_cb_size
static int shift(int a, int b)
const uint8_t ff_hevc_diag_scan8x8_x[64]
int ff_hevc_split_coding_unit_flag_decode(HEVCContext *s, int ct_depth, int x0, int y0)
uint8_t edge_emu_buffer[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
int transform_skip_rotation_enabled_flag
int16_t x
horizontal component of motion vector
const uint8_t ff_hevc_diag_scan4x4_y[16]
int ff_hevc_cbf_luma_decode(HEVCContext *s, int trafo_depth)
int ff_hevc_sao_offset_sign_decode(HEVCContext *s)
int explicit_rdpcm_enabled_flag
int ff_hevc_merge_flag_decode(HEVCContext *s)
Macro definitions for various function/variable attributes.
void(* idct[4])(int16_t *coeffs, int col_limit)
uint8_t entropy_coding_sync_enabled_flag
int ff_hevc_no_residual_syntax_flag_decode(HEVCContext *s)
static av_always_inline int significant_coeff_flag_decode_0(HEVCContext *s, int c_idx, int offset)
int ff_hevc_split_transform_flag_decode(HEVCContext *s, int log2_trafo_size)
int ff_hevc_sao_merge_flag_decode(HEVCContext *s)
int ff_hevc_rem_intra_luma_pred_mode_decode(HEVCContext *s)
static const uint8_t horiz_scan8x8_inv[8][8]
int ff_hevc_inter_pred_idc_decode(HEVCContext *s, int nPbW, int nPbH)
int ff_hevc_part_mode_decode(HEVCContext *s, int log2_cb_size)
static int explicit_rdpcm_flag_decode(HEVCContext *s, int c_idx)
static void cabac_init_state(HEVCContext *s)
int ff_hevc_prev_intra_luma_pred_flag_decode(HEVCContext *s)
static const uint8_t horiz_scan4x4_y[16]
uint8_t scaling_list_data_present_flag
static int get_bits_count(const GetBitContext *s)
void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size)
int ff_hevc_skip_flag_decode(HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
int ff_hevc_cbf_cb_cr_decode(HEVCContext *s, int trafo_depth)
uint8_t cu_transquant_bypass_flag
static av_unused const uint8_t * skip_bytes(CABACContext *c, int n)
Skip n bytes and reset the decoder.
int ff_hevc_log2_res_scale_abs(HEVCContext *s, int idx)
void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
int ff_hevc_cu_chroma_qp_offset_idx(HEVCContext *s)
static int get_bits_left(GetBitContext *gb)
int ff_hevc_cu_transquant_bypass_flag_decode(HEVCContext *s)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static const uint8_t diag_scan4x4_inv[4][4]
int persistent_rice_adaptation_enabled_flag
coded frame dimension in various units
void(* transform_skip)(int16_t *coeffs, int16_t log2_size)
void(* transform_rdpcm)(int16_t *coeffs, int16_t log2_size, int mode)
static const int elem_offset[sizeof(num_bins_in_se)]
Offset to ctxIdx 0 in init_values and states, indexed by SyntaxElement.
unsigned int log2_ctb_size
void(* transform_add[4])(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride)
static const uint8_t offset[127][2]
uint8_t edge_emu_buffer2[(MAX_PB_SIZE+7)*EDGE_EMU_BUFFER_STRIDE *2]
int ff_hevc_sao_band_position_decode(HEVCContext *s)
static int explicit_rdpcm_dir_flag_decode(HEVCContext *s, int c_idx)
uint8_t tiles_enabled_flag
static const uint8_t diag_scan8x8_inv[8][8]
int ff_hevc_sao_eo_class_decode(HEVCContext *s)
static av_always_inline int abs_mvd_greater1_flag_decode(HEVCContext *s)
int ff_hevc_res_scale_sign_flag(HEVCContext *s, int idx)
uint8_t cabac_state[HEVC_CONTEXTS]
GLsizei GLboolean const GLfloat * value
int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size)
void(* idct_dc[4])(int16_t *coeffs)
static const uint8_t scan_1x1[1]
Context Adaptive Binary Arithmetic Coder inline functions.
uint8_t sign_data_hiding_flag
const uint8_t ff_hevc_diag_scan8x8_y[64]
static av_always_inline int coeff_abs_level_greater1_flag_decode(HEVCContext *s, int c_idx, int inc)
static int av_unused get_cabac_terminate(CABACContext *c)
static av_always_inline int mvd_decode(HEVCContext *s)
int implicit_rdpcm_enabled_flag
static const uint8_t horiz_scan2x2_y[4]
static const uint8_t horiz_scan4x4_x[16]
static av_always_inline int coeff_abs_level_greater2_flag_decode(HEVCContext *s, int c_idx, int inc)
int ff_hevc_merge_idx_decode(HEVCContext *s)
static av_always_inline void last_significant_coeff_xy_prefix_decode(HEVCContext *s, int c_idx, int log2_size, int *last_scx_prefix, int *last_scy_prefix)
uint8_t transform_skip_enabled_flag
static const uint8_t diag_scan2x2_x[4]
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
int ff_hevc_end_of_slice_flag_decode(HEVCContext *s)
static av_always_inline int last_significant_coeff_suffix_decode(HEVCContext *s, int last_significant_coeff_prefix)
enum PredMode pred_mode
PredMode.
int16_t y
vertical component of motion vector
static const uint8_t horiz_scan2x2_x[4]
int transform_skip_context_enabled_flag
int ff_hevc_cu_qp_delta_sign_flag(HEVCContext *s)
static void skip_bits(GetBitContext *s, int n)
const uint8_t ff_hevc_diag_scan4x4_x[16]
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
static const uint8_t rem6[QP_MAX_NUM+1]
uint8_t scaling_list_enable_flag
int ff_hevc_ref_idx_lx_decode(HEVCContext *s, int num_ref_idx_lx)
HEVCLocalContext * HEVClc
static av_always_inline int abs_mvd_greater0_flag_decode(HEVCContext *s)
static const uint8_t diag_scan2x2_inv[2][2]
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int ff_hevc_cu_chroma_qp_offset_flag(HEVCContext *s)
static av_always_inline int get_cabac_bypass_sign(CABACContext *c, int val)
static int av_unused get_cabac_bypass(CABACContext *c)
static void load_states(HEVCContext *s)
static av_always_inline int significant_coeff_flag_decode(HEVCContext *s, int x_c, int y_c, int offset, const uint8_t *ctx_idx_map)
GLint GLenum GLboolean GLsizei stride
int ff_hevc_intra_chroma_pred_mode_decode(HEVCContext *s)
common internal and external API header
static av_always_inline int coeff_sign_flag_decode(HEVCContext *s, uint8_t nb)
#define GET_COORD(offset, n)
int ff_hevc_sao_type_idx_decode(HEVCContext *s)
uint8_t chroma_qp_offset_list_len_minus1
static const uint8_t div6[QP_MAX_NUM+1]
int ff_hevc_pred_mode_decode(HEVCContext *s)
int ff_hevc_mpm_idx_decode(HEVCContext *s)
int ff_hevc_pcm_flag_decode(HEVCContext *s)
void ff_hevc_hls_residual_coding(HEVCContext *s, int x0, int y0, int log2_trafo_size, enum ScanType scan_idx, int c_idx)
static int ff_hevc_transform_skip_flag_decode(HEVCContext *s, int c_idx)
static const uint8_t * align_get_bits(GetBitContext *s)
static void cabac_init_decoder(HEVCContext *s)
#define FFSWAP(type, a, b)
static const uint8_t init_values[3][HEVC_CONTEXTS]
Indexed by init_type.
int ff_hevc_sao_offset_abs_decode(HEVCContext *s)
static av_always_inline int coeff_abs_level_remaining_decode(HEVCContext *s, int rc_rice_param)
static void cabac_reinit(HEVCLocalContext *lc)
static av_always_inline int mvd_sign_flag_decode(HEVCContext *s)
int ff_hevc_cu_qp_delta_abs(HEVCContext *s)
static const uint8_t diag_scan2x2_y[4]
void(* idct_4x4_luma)(int16_t *coeffs)
int ff_hevc_mvp_lx_flag_decode(HEVCContext *s)
#define SAMPLE_CTB(tab, x, y)