diff options
Diffstat (limited to 'libavcodec/cbs_h265_syntax_template.c')
| -rw-r--r-- | libavcodec/cbs_h265_syntax_template.c | 957 |
1 files changed, 837 insertions, 120 deletions
diff --git a/libavcodec/cbs_h265_syntax_template.c b/libavcodec/cbs_h265_syntax_template.c index a194887d76..f1e1bb0e7e 100644 --- a/libavcodec/cbs_h265_syntax_template.c +++ b/libavcodec/cbs_h265_syntax_template.c @@ -1,28 +1,28 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ static int FUNC(rbsp_trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw) { int err; - av_unused int one = 1, zero = 0; - xu(1, rbsp_stop_one_bit, one, 1, 1); + + fixed(1, rbsp_stop_one_bit, 1); while (byte_alignment(rw) != 0) - xu(1, rbsp_alignment_zero_bit, zero, 0, 0); + fixed(1, rbsp_alignment_zero_bit, 0); return 0; } @@ -50,10 +50,10 @@ static int FUNC(nal_unit_header)(CodedBitstreamContext *ctx, RWContext *rw, static int FUNC(byte_alignment)(CodedBitstreamContext *ctx, RWContext *rw) { int err; - av_unused int one = 1, zero = 0; - xu(1, alignment_bit_equal_to_one, one, 1, 1); + + fixed(1, alignment_bit_equal_to_one, 1); while (byte_alignment(rw) != 0) - xu(1, alignment_bit_equal_to_zero, zero, 0, 0); + fixed(1, alignment_bit_equal_to_zero, 0); return 0; } @@ -64,23 +64,23 @@ static int FUNC(extension_data)(CodedBitstreamContext *ctx, RWContext *rw, int err; size_t k; #ifdef READ - BitstreamContext start; + GetBitContext start; uint8_t bit; start = *rw; for (k = 0; cbs_h2645_read_more_rbsp_data(rw); k++) - bitstream_skip(rw, 1); + skip_bits(rw, 1); current->bit_length = k; if (k > 0) { *rw = start; allocate(current->data, (current->bit_length + 7) / 8); for (k = 0; k < current->bit_length; k++) { - xu(1, extension_data, bit, 0, 1); + xu(1, extension_data, bit, 0, 1, 0); current->data[k / 8] |= bit << (7 - k % 8); } } #else for (k = 0; k < current->bit_length; k++) - xu(1, extension_data, current->data[k / 8] >> (7 - k % 8), 0, 1); + xu(1, extension_data, current->data[k / 8] >> (7 - k % 8), 0, 1, 0); #endif return 0; } @@ -90,7 +90,6 @@ static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw, int profile_present_flag, int max_num_sub_layers_minus1) { - av_unused unsigned int zero = 0; int err, i, j; if (profile_present_flag) { @@ -99,7 +98,7 @@ static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw, u(5, general_profile_idc, 0, 31); for (j = 0; j < 32; j++) - flag(general_profile_compatibility_flag[j]); + flags(general_profile_compatibility_flag[j], 1, j); flag(general_progressive_source_flag); flag(general_interlaced_source_flag); @@ -125,15 +124,20 @@ static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw, if (profile_compatible(5) || profile_compatible(9) || profile_compatible(10)) { flag(general_max_14bit_constraint_flag); - xu(24, general_reserved_zero_33bits, zero, 0, 0); - xu(9, general_reserved_zero_33bits, zero, 0, 0); + fixed(24, general_reserved_zero_33bits, 0); + fixed( 9, general_reserved_zero_33bits, 0); } else { - xu(24, general_reserved_zero_34bits, zero, 0, 0); - xu(10, general_reserved_zero_34bits, zero, 0, 0); + fixed(24, general_reserved_zero_34bits, 0); + fixed(10, general_reserved_zero_34bits, 0); } + } else if (profile_compatible(2)) { + fixed(7, general_reserved_zero_7bits, 0); + flag(general_one_picture_only_constraint_flag); + fixed(24, general_reserved_zero_35bits, 0); + fixed(11, general_reserved_zero_35bits, 0); } else { - xu(24, general_reserved_zero_43bits, zero, 0, 0); - xu(19, general_reserved_zero_43bits, zero, 0, 0); + fixed(24, general_reserved_zero_43bits, 0); + fixed(19, general_reserved_zero_43bits, 0); } if (profile_compatible(1) || profile_compatible(2) || @@ -141,7 +145,7 @@ static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw, profile_compatible(5) || profile_compatible(9)) { flag(general_inbld_flag); } else { - xu(1, general_reserved_zero_bit, zero, 0, 0); + fixed(1, general_reserved_zero_bit, 0); } #undef profile_compatible } @@ -149,22 +153,74 @@ static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw, u(8, general_level_idc, 0, 255); for (i = 0; i < max_num_sub_layers_minus1; i++) { - flag(sub_layer_profile_present_flag[i]); - flag(sub_layer_level_present_flag[i]); + flags(sub_layer_profile_present_flag[i], 1, i); + flags(sub_layer_level_present_flag[i], 1, i); } if (max_num_sub_layers_minus1 > 0) { - for (i = max_num_sub_layers_minus1; i < 8; i++) { - av_unused int zero = 0; - xu(2, reserved_zero_2bits, zero, 0, 0); - } + for (i = max_num_sub_layers_minus1; i < 8; i++) + fixed(2, reserved_zero_2bits, 0); } for (i = 0; i < max_num_sub_layers_minus1; i++) { - if (current->sub_layer_profile_present_flag[i]) - return AVERROR_PATCHWELCOME; + if (current->sub_layer_profile_present_flag[i]) { + us(2, sub_layer_profile_space[i], 0, 0, 1, i); + flags(sub_layer_tier_flag[i], 1, i); + us(5, sub_layer_profile_idc[i], 0, 31, 1, i); + + for (j = 0; j < 32; j++) + flags(sub_layer_profile_compatibility_flag[i][j], 2, i, j); + + flags(sub_layer_progressive_source_flag[i], 1, i); + flags(sub_layer_interlaced_source_flag[i], 1, i); + flags(sub_layer_non_packed_constraint_flag[i], 1, i); + flags(sub_layer_frame_only_constraint_flag[i], 1, i); + +#define profile_compatible(x) (current->sub_layer_profile_idc[i] == (x) || \ + current->sub_layer_profile_compatibility_flag[i][x]) + if (profile_compatible(4) || profile_compatible(5) || + profile_compatible(6) || profile_compatible(7) || + profile_compatible(8) || profile_compatible(9) || + profile_compatible(10)) { + flags(sub_layer_max_12bit_constraint_flag[i], 1, i); + flags(sub_layer_max_10bit_constraint_flag[i], 1, i); + flags(sub_layer_max_8bit_constraint_flag[i], 1, i); + flags(sub_layer_max_422chroma_constraint_flag[i], 1, i); + flags(sub_layer_max_420chroma_constraint_flag[i], 1, i); + flags(sub_layer_max_monochrome_constraint_flag[i], 1, i); + flags(sub_layer_intra_constraint_flag[i], 1, i); + flags(sub_layer_one_picture_only_constraint_flag[i], 1, i); + flags(sub_layer_lower_bit_rate_constraint_flag[i], 1, i); + + if (profile_compatible(5)) { + flags(sub_layer_max_14bit_constraint_flag[i], 1, i); + fixed(24, sub_layer_reserved_zero_33bits, 0); + fixed( 9, sub_layer_reserved_zero_33bits, 0); + } else { + fixed(24, sub_layer_reserved_zero_34bits, 0); + fixed(10, sub_layer_reserved_zero_34bits, 0); + } + } else if (profile_compatible(2)) { + fixed(7, sub_layer_reserved_zero_7bits, 0); + flags(sub_layer_one_picture_only_constraint_flag[i], 1, i); + fixed(24, sub_layer_reserved_zero_43bits, 0); + fixed(11, sub_layer_reserved_zero_43bits, 0); + } else { + fixed(24, sub_layer_reserved_zero_43bits, 0); + fixed(19, sub_layer_reserved_zero_43bits, 0); + } + + if (profile_compatible(1) || profile_compatible(2) || + profile_compatible(3) || profile_compatible(4) || + profile_compatible(5) || profile_compatible(9)) { + flags(sub_layer_inbld_flag[i], 1, i); + } else { + fixed(1, sub_layer_reserved_zero_bit, 0); + } +#undef profile_compatible + } if (current->sub_layer_level_present_flag[i]) - return AVERROR_PATCHWELCOME; + us(8, sub_layer_level_idc[i], 0, 255, 1, i); } return 0; @@ -183,13 +239,13 @@ static int FUNC(sub_layer_hrd_parameters)(CodedBitstreamContext *ctx, RWContext current = &hrd->vcl_sub_layer_hrd_parameters[sub_layer_id]; for (i = 0; i <= hrd->cpb_cnt_minus1[sub_layer_id]; i++) { - ue(bit_rate_value_minus1[i], 0, UINT32_MAX - 1); - ue(cpb_size_value_minus1[i], 0, UINT32_MAX - 1); + ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i); + ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i); if (hrd->sub_pic_hrd_params_present_flag) { - ue(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1); - ue(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1); + ues(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i); + ues(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i); } - flag(cbr_flag[i]); + flags(cbr_flag[i], 1, i); } return 0; @@ -233,21 +289,21 @@ static int FUNC(hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw, } for (i = 0; i <= max_num_sub_layers_minus1; i++) { - flag(fixed_pic_rate_general_flag[i]); + flags(fixed_pic_rate_general_flag[i], 1, i); if (!current->fixed_pic_rate_general_flag[i]) - flag(fixed_pic_rate_within_cvs_flag[i]); + flags(fixed_pic_rate_within_cvs_flag[i], 1, i); else infer(fixed_pic_rate_within_cvs_flag[i], 1); if (current->fixed_pic_rate_within_cvs_flag[i]) { - ue(elemental_duration_in_tc_minus1[i], 0, 2047); + ues(elemental_duration_in_tc_minus1[i], 0, 2047, 1, i); infer(low_delay_hrd_flag[i], 0); } else - flag(low_delay_hrd_flag[i]); + flags(low_delay_hrd_flag[i], 1, i); if (!current->low_delay_hrd_flag[i]) - ue(cpb_cnt_minus1[i], 0, 31); + ues(cpb_cnt_minus1[i], 0, 31, 1, i); else infer(cpb_cnt_minus1[i], 0); @@ -386,10 +442,7 @@ static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw, return AVERROR_INVALIDDATA; } - { - av_unused uint16_t ffff = 0xffff; - xu(16, vps_reserved_0xffff_16bits, ffff, 0xffff, 0xffff); - } + fixed(16, vps_reserved_0xffff_16bits, 0xffff); CHECK(FUNC(profile_tier_level)(ctx, rw, ¤t->profile_tier_level, 1, current->vps_max_sub_layers_minus1)); @@ -398,9 +451,12 @@ static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw, for (i = (current->vps_sub_layer_ordering_info_present_flag ? 0 : current->vps_max_sub_layers_minus1); i <= current->vps_max_sub_layers_minus1; i++) { - ue(vps_max_dec_pic_buffering_minus1[i], 0, HEVC_MAX_DPB_SIZE - 1); - ue(vps_max_num_reorder_pics[i], 0, current->vps_max_dec_pic_buffering_minus1[i]); - ue(vps_max_latency_increase_plus1[i], 0, UINT32_MAX - 1); + ues(vps_max_dec_pic_buffering_minus1[i], + 0, HEVC_MAX_DPB_SIZE - 1, 1, i); + ues(vps_max_num_reorder_pics[i], + 0, current->vps_max_dec_pic_buffering_minus1[i], 1, i); + ues(vps_max_latency_increase_plus1[i], + 0, UINT32_MAX - 1, 1, i); } if (!current->vps_sub_layer_ordering_info_present_flag) { for (i = 0; i < current->vps_max_sub_layers_minus1; i++) { @@ -417,7 +473,7 @@ static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw, ue(vps_num_layer_sets_minus1, 0, HEVC_MAX_LAYER_SETS - 1); for (i = 1; i <= current->vps_num_layer_sets_minus1; i++) { for (j = 0; j <= current->vps_max_layer_id; j++) - flag(layer_id_included_flag[i][j]); + flags(layer_id_included_flag[i][j], 2, i, j); } for (j = 0; j <= current->vps_max_layer_id; j++) infer(layer_id_included_flag[0][j], j == 0); @@ -431,11 +487,11 @@ static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw, ue(vps_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1); ue(vps_num_hrd_parameters, 0, current->vps_num_layer_sets_minus1 + 1); for (i = 0; i < current->vps_num_hrd_parameters; i++) { - ue(hrd_layer_set_idx[i], - current->vps_base_layer_internal_flag ? 0 : 1, - current->vps_num_layer_sets_minus1); + ues(hrd_layer_set_idx[i], + current->vps_base_layer_internal_flag ? 0 : 1, + current->vps_num_layer_sets_minus1, 1, i); if (i > 0) - flag(cprms_present_flag[i]); + flags(cprms_present_flag[i], 1, i); else infer(cprms_present_flag[0], 1); @@ -489,9 +545,9 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw, (current->abs_delta_rps_minus1 + 1); for (j = 0; j <= num_delta_pocs; j++) { - flag(used_by_curr_pic_flag[j]); + flags(used_by_curr_pic_flag[j], 1, j); if (!current->used_by_curr_pic_flag[j]) - flag(use_delta_flag[j]); + flags(use_delta_flag[j], 1, j); else infer(use_delta_flag[j], 1); } @@ -586,13 +642,13 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw, ue(num_positive_pics, 0, 15 - current->num_negative_pics); for (i = 0; i < current->num_negative_pics; i++) { - ue(delta_poc_s0_minus1[i], 0, INT16_MAX); - flag(used_by_curr_pic_s0_flag[i]); + ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i); + flags(used_by_curr_pic_s0_flag[i], 1, i); } for (i = 0; i < current->num_positive_pics; i++) { - ue(delta_poc_s1_minus1[i], 0, INT16_MAX); - flag(used_by_curr_pic_s1_flag[i]); + ues(delta_poc_s1_minus1[i], 0, INT16_MAX, 1, i); + flags(used_by_curr_pic_s1_flag[i], 1, i); } } @@ -607,18 +663,21 @@ static int FUNC(scaling_list_data)(CodedBitstreamContext *ctx, RWContext *rw, for (sizeId = 0; sizeId < 4; sizeId++) { for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) { - flag(scaling_list_pred_mode_flag[sizeId][matrixId]); + flags(scaling_list_pred_mode_flag[sizeId][matrixId], + 2, sizeId, matrixId); if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) { - ue(scaling_list_pred_matrix_id_delta[sizeId][matrixId], - 0, sizeId == 3 ? matrixId / 3 : matrixId); + ues(scaling_list_pred_matrix_id_delta[sizeId][matrixId], + 0, sizeId == 3 ? matrixId / 3 : matrixId, + 2, sizeId, matrixId); } else { n = FFMIN(64, 1 << (4 + (sizeId << 1))); - if (sizeId > 1) - se(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247); + if (sizeId > 1) { + ses(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247, + 2, sizeId - 2, matrixId); + } for (i = 0; i < n; i++) { - xse(scaling_list_delta_coeff, - current->scaling_list_delta_coeff[sizeId][matrixId][i], - -128, +127); + ses(scaling_list_delta_coeff[sizeId][matrixId][i], + -128, +127, 3, sizeId, matrixId, i); } } } @@ -664,8 +723,8 @@ static int FUNC(sps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw, int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8 : current->bit_depth_chroma_minus8 + 8; for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++) - u(bit_depth, sps_palette_predictor_initializers[comp][i], - 0, (1 << bit_depth) - 1); + us(bit_depth, sps_palette_predictor_initializers[comp][i], + 0, MAX_UINT_BITS(bit_depth), 2, comp, i); } } } @@ -748,9 +807,12 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, for (i = (current->sps_sub_layer_ordering_info_present_flag ? 0 : current->sps_max_sub_layers_minus1); i <= current->sps_max_sub_layers_minus1; i++) { - ue(sps_max_dec_pic_buffering_minus1[i], 0, HEVC_MAX_DPB_SIZE - 1); - ue(sps_max_num_reorder_pics[i], 0, current->sps_max_dec_pic_buffering_minus1[i]); - ue(sps_max_latency_increase_plus1[i], 0, UINT32_MAX - 1); + ues(sps_max_dec_pic_buffering_minus1[i], + 0, HEVC_MAX_DPB_SIZE - 1, 1, i); + ues(sps_max_num_reorder_pics[i], + 0, current->sps_max_dec_pic_buffering_minus1[i], 1, i); + ues(sps_max_latency_increase_plus1[i], + 0, UINT32_MAX - 1, 1, i); } if (!current->sps_sub_layer_ordering_info_present_flag) { for (i = 0; i < current->sps_max_sub_layers_minus1; i++) { @@ -825,10 +887,10 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, if (current->long_term_ref_pics_present_flag) { ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS); for (i = 0; i < current->num_long_term_ref_pics_sps; i++) { - u(current->log2_max_pic_order_cnt_lsb_minus4 + 4, - lt_ref_pic_poc_lsb_sps[i], - 0, (1 << (current->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1); - flag(used_by_curr_pic_lt_sps_flag[i]); + us(current->log2_max_pic_order_cnt_lsb_minus4 + 4, + lt_ref_pic_poc_lsb_sps[i], + 0, MAX_UINT_BITS(current->log2_max_pic_order_cnt_lsb_minus4 + 4), 1, i); + flags(used_by_curr_pic_lt_sps_flag[i], 1, i); } } @@ -845,7 +907,7 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, flag(sps_multilayer_extension_flag); flag(sps_3d_extension_flag); flag(sps_scc_extension_flag); - u(4, sps_extension_4bits, 0, (1 << 4) - 1); + u(4, sps_extension_4bits, 0, MAX_UINT_BITS(4)); } if (current->sps_range_extension_flag) @@ -872,7 +934,7 @@ static int FUNC(pps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw, int err, i; if (current->transform_skip_enabled_flag) - ue(log2_max_transform_skip_block_size_minus2, 0, 4); + ue(log2_max_transform_skip_block_size_minus2, 0, 3); flag(cross_component_prediction_enabled_flag); flag(chroma_qp_offset_list_enabled_flag); @@ -881,8 +943,8 @@ static int FUNC(pps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw, 0, sps->log2_diff_max_min_luma_coding_block_size); ue(chroma_qp_offset_list_len_minus1, 0, 5); for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) { - se(cb_qp_offset_list[i], -12, +12); - se(cr_qp_offset_list[i], -12, +12); + ses(cb_qp_offset_list[i], -12, +12, 1, i); + ses(cr_qp_offset_list[i], -12, +12, 1, i); } } @@ -924,8 +986,8 @@ static int FUNC(pps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw, int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8 : current->chroma_bit_depth_entry_minus8 + 8; for (i = 0; i < current->pps_num_palette_predictor_initializer; i++) - u(bit_depth, pps_palette_predictor_initializers[comp][i], - 0, (1 << bit_depth) - 1); + us(bit_depth, pps_palette_predictor_initializers[comp][i], + 0, MAX_UINT_BITS(bit_depth), 2, comp, i); } } } @@ -991,9 +1053,9 @@ static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw, flag(uniform_spacing_flag); if (!current->uniform_spacing_flag) { for (i = 0; i < current->num_tile_columns_minus1; i++) - ue(column_width_minus1[i], 0, sps->pic_width_in_luma_samples); + ues(column_width_minus1[i], 0, sps->pic_width_in_luma_samples, 1, i); for (i = 0; i < current->num_tile_rows_minus1; i++) - ue(row_height_minus1[i], 0, sps->pic_height_in_luma_samples); + ues(row_height_minus1[i], 0, sps->pic_height_in_luma_samples, 1, i); } flag(loop_filter_across_tiles_enabled_flag); } else { @@ -1038,7 +1100,7 @@ static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw, flag(pps_multilayer_extension_flag); flag(pps_3d_extension_flag); flag(pps_scc_extension_flag); - u(4, pps_extension_4bits, 0, (1 << 4) - 1); + u(4, pps_extension_4bits, 0, MAX_UINT_BITS(4)); } if (current->pps_range_extension_flag) CHECK(FUNC(pps_range_extension)(ctx, rw, current)); @@ -1084,14 +1146,14 @@ static int FUNC(ref_pic_lists_modification)(CodedBitstreamContext *ctx, RWContex flag(ref_pic_list_modification_flag_l0); if (current->ref_pic_list_modification_flag_l0) { for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) - u(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1); + us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i); } if (current->slice_type == HEVC_SLICE_B) { flag(ref_pic_list_modification_flag_l1); if (current->ref_pic_list_modification_flag_l1) { for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) - u(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1); + us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i); } } @@ -1115,14 +1177,14 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw, for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) { if (1 /* is not same POC and same layer_id */) - flag(luma_weight_l0_flag[i]); + flags(luma_weight_l0_flag[i], 1, i); else infer(luma_weight_l0_flag[i], 0); } if (chroma) { for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) { if (1 /* is not same POC and same layer_id */) - flag(chroma_weight_l0_flag[i]); + flags(chroma_weight_l0_flag[i], 1, i); else infer(chroma_weight_l0_flag[i], 0); } @@ -1130,20 +1192,20 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw, for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) { if (current->luma_weight_l0_flag[i]) { - se(delta_luma_weight_l0[i], -128, +127); - se(luma_offset_l0[i], - -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)), - ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1)); + ses(delta_luma_weight_l0[i], -128, +127, 1, i); + ses(luma_offset_l0[i], + -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)), + ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i); } else { infer(delta_luma_weight_l0[i], 0); infer(luma_offset_l0[i], 0); } if (current->chroma_weight_l0_flag[i]) { for (j = 0; j < 2; j++) { - se(delta_chroma_weight_l0[i][j], -128, +127); - se(chroma_offset_l0[i][j], - -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)), - ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1)); + ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j); + ses(chroma_offset_l0[i][j], + -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)), + ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j); } } else { for (j = 0; j < 2; j++) { @@ -1156,14 +1218,14 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw, if (current->slice_type == HEVC_SLICE_B) { for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) { if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */) - flag(luma_weight_l1_flag[i]); + flags(luma_weight_l1_flag[i], 1, i); else infer(luma_weight_l1_flag[i], 0); } if (chroma) { for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) { if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */) - flag(chroma_weight_l1_flag[i]); + flags(chroma_weight_l1_flag[i], 1, i); else infer(chroma_weight_l1_flag[i], 0); } @@ -1171,20 +1233,20 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw, for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) { if (current->luma_weight_l1_flag[i]) { - se(delta_luma_weight_l1[i], -128, +127); - se(luma_offset_l1[i], - -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)), - ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1)); + ses(delta_luma_weight_l1[i], -128, +127, 1, i); + ses(luma_offset_l1[i], + -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)), + ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i); } else { infer(delta_luma_weight_l1[i], 0); infer(luma_offset_l1[i], 0); } if (current->chroma_weight_l1_flag[i]) { for (j = 0; j < 2; j++) { - se(delta_chroma_weight_l1[i][j], -128, +127); - se(chroma_offset_l1[i][j], - -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)), - ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1)); + ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j); + ses(chroma_offset_l1[i][j], + -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)), + ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j); } } else { for (j = 0; j < 2; j++) { @@ -1259,7 +1321,7 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw, if (!current->dependent_slice_segment_flag) { for (i = 0; i < pps->num_extra_slice_header_bits; i++) - flag(slice_reserved_flag[i]); + flags(slice_reserved_flag[i], 1, i); ue(slice_type, 0, 2); @@ -1274,7 +1336,7 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw, const H265RawSTRefPicSet *rps; u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, slice_pic_order_cnt_lsb, - 0, (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1); + 0, MAX_UINT_BITS(sps->log2_max_pic_order_cnt_lsb_minus4 + 4)); flag(short_term_ref_pic_set_sps_flag); if (!current->short_term_ref_pic_set_sps_flag) { @@ -1315,20 +1377,20 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw, current->num_long_term_pics; i++) { if (i < current->num_long_term_sps) { if (sps->num_long_term_ref_pics_sps > 1) - u(idx_size, lt_idx_sps[i], - 0, sps->num_long_term_ref_pics_sps - 1); + us(idx_size, lt_idx_sps[i], + 0, sps->num_long_term_ref_pics_sps - 1, 1, i); if (sps->used_by_curr_pic_lt_sps_flag[current->lt_idx_sps[i]]) ++num_pic_total_curr; } else { - u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i], - 0, (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1); - flag(used_by_curr_pic_lt_flag[i]); + us(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i], + 0, MAX_UINT_BITS(sps->log2_max_pic_order_cnt_lsb_minus4 + 4), 1, i); + flags(used_by_curr_pic_lt_flag[i], 1, i); if (current->used_by_curr_pic_lt_flag[i]) ++num_pic_total_curr; } - flag(delta_poc_msb_present_flag[i]); + flags(delta_poc_msb_present_flag[i], 1, i); if (current->delta_poc_msb_present_flag[i]) - ue(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1); + ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i); else infer(delta_poc_msb_cycle_lt[i], 0); } @@ -1486,18 +1548,673 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw, if (current->num_entry_point_offsets > 0) { ue(offset_len_minus1, 0, 31); for (i = 0; i < current->num_entry_point_offsets; i++) - u(current->offset_len_minus1 + 1, entry_point_offset_minus1[i], - 0, (1 << (current->offset_len_minus1 + 1)) - 1); + us(current->offset_len_minus1 + 1, entry_point_offset_minus1[i], + 0, MAX_UINT_BITS(current->offset_len_minus1 + 1), 1, i); } } if (pps->slice_segment_header_extension_present_flag) { ue(slice_segment_header_extension_length, 0, 256); for (i = 0; i < current->slice_segment_header_extension_length; i++) - u(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff); + us(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff, 1, i); } CHECK(FUNC(byte_alignment)(ctx, rw)); return 0; } + +static int FUNC(sei_buffering_period)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIBufferingPeriod *current, + uint32_t *payload_size) +{ + CodedBitstreamH265Context *h265 = ctx->priv_data; + const H265RawSPS *sps; + const H265RawHRDParameters *hrd; + int err, i, length; + +#ifdef READ + int start_pos, end_pos, bits_left; + start_pos = get_bits_count(rw); +#endif + + HEADER("Buffering Period"); + + ue(bp_seq_parameter_set_id, 0, HEVC_MAX_SPS_COUNT - 1); + + sps = h265->sps[current->bp_seq_parameter_set_id]; + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n", + current->bp_seq_parameter_set_id); + return AVERROR_INVALIDDATA; + } + h265->active_sps = sps; + + if (!sps->vui_parameters_present_flag || + !sps->vui.vui_hrd_parameters_present_flag) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires " + "HRD parameters to be present in SPS.\n"); + return AVERROR_INVALIDDATA; + } + hrd = &sps->vui.hrd_parameters; + if (!hrd->nal_hrd_parameters_present_flag && + !hrd->vcl_hrd_parameters_present_flag) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires " + "NAL or VCL HRD parameters to be present.\n"); + return AVERROR_INVALIDDATA; + } + + if (!hrd->sub_pic_hrd_params_present_flag) + flag(irap_cpb_params_present_flag); + else + infer(irap_cpb_params_present_flag, 0); + if (current->irap_cpb_params_present_flag) { + length = hrd->au_cpb_removal_delay_length_minus1 + 1; + u(length, cpb_delay_offset, 0, MAX_UINT_BITS(length)); + length = hrd->dpb_output_delay_length_minus1 + 1; + u(length, dpb_delay_offset, 0, MAX_UINT_BITS(length)); + } else { + infer(cpb_delay_offset, 0); + infer(dpb_delay_offset, 0); + } + + flag(concatenation_flag); + + length = hrd->au_cpb_removal_delay_length_minus1 + 1; + u(length, au_cpb_removal_delay_delta_minus1, 0, MAX_UINT_BITS(length)); + + if (hrd->nal_hrd_parameters_present_flag) { + for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) { + length = hrd->initial_cpb_removal_delay_length_minus1 + 1; + + us(length, nal_initial_cpb_removal_delay[i], + 0, MAX_UINT_BITS(length), 1, i); + us(length, nal_initial_cpb_removal_offset[i], + 0, MAX_UINT_BITS(length), 1, i); + + if (hrd->sub_pic_hrd_params_present_flag || + current->irap_cpb_params_present_flag) { + us(length, nal_initial_alt_cpb_removal_delay[i], + 0, MAX_UINT_BITS(length), 1, i); + us(length, nal_initial_alt_cpb_removal_offset[i], + 0, MAX_UINT_BITS(length), 1, i); + } + } + } + if (hrd->vcl_hrd_parameters_present_flag) { + for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) { + length = hrd->initial_cpb_removal_delay_length_minus1 + 1; + + us(length, vcl_initial_cpb_removal_delay[i], + 0, MAX_UINT_BITS(length), 1, i); + us(length, vcl_initial_cpb_removal_offset[i], + 0, MAX_UINT_BITS(length), 1, i); + + if (hrd->sub_pic_hrd_params_present_flag || + current->irap_cpb_params_present_flag) { + us(length, vcl_initial_alt_cpb_removal_delay[i], + 0, MAX_UINT_BITS(length), 1, i); + us(length, vcl_initial_alt_cpb_removal_offset[i], + 0, MAX_UINT_BITS(length), 1, i); + } + } + } + +#ifdef READ + // payload_extension_present() - true if we are before the last 1-bit + // in the payload structure, which must be in the last byte. + end_pos = get_bits_count(rw); + bits_left = *payload_size * 8 - (end_pos - start_pos); + if (bits_left > 0 && + (bits_left > 7 || ff_ctz(show_bits(rw, bits_left)) < bits_left - 1)) + flag(use_alt_cpb_params_flag); + else + infer(use_alt_cpb_params_flag, 0); +#else + if (current->use_alt_cpb_params_flag) + flag(use_alt_cpb_params_flag); +#endif + + return 0; +} + +static int FUNC(sei_pic_timing)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIPicTiming *current) +{ + CodedBitstreamH265Context *h265 = ctx->priv_data; + const H265RawSPS *sps; + const H265RawHRDParameters *hrd; + int err, expected_source_scan_type, i, length; + + HEADER("Picture Timing"); + + sps = h265->active_sps; + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "No active SPS for pic_timing.\n"); + return AVERROR_INVALIDDATA; + } + + expected_source_scan_type = 2 - + 2 * sps->profile_tier_level.general_interlaced_source_flag - + sps->profile_tier_level.general_progressive_source_flag; + + if (sps->vui.frame_field_info_present_flag) { + u(4, pic_struct, 0, 12); + u(2, source_scan_type, + expected_source_scan_type >= 0 ? expected_source_scan_type : 0, + expected_source_scan_type >= 0 ? expected_source_scan_type : 2); + flag(duplicate_flag); + } else { + infer(pic_struct, 0); + infer(source_scan_type, + expected_source_scan_type >= 0 ? expected_source_scan_type : 2); + infer(duplicate_flag, 0); + } + + if (sps->vui_parameters_present_flag && + sps->vui.vui_hrd_parameters_present_flag) + hrd = &sps->vui.hrd_parameters; + else + hrd = NULL; + if (hrd && (hrd->nal_hrd_parameters_present_flag || + hrd->vcl_hrd_parameters_present_flag)) { + length = hrd->au_cpb_removal_delay_length_minus1 + 1; + u(length, au_cpb_removal_delay_minus1, 0, MAX_UINT_BITS(length)); + + length = hrd->dpb_output_delay_length_minus1 + 1; + u(length, pic_dpb_output_delay, 0, MAX_UINT_BITS(length)); + + if (hrd->sub_pic_hrd_params_present_flag) { + length = hrd->dpb_output_delay_du_length_minus1 + 1; + u(length, pic_dpb_output_du_delay, 0, MAX_UINT_BITS(length)); + } + + if (hrd->sub_pic_hrd_params_present_flag && + hrd->sub_pic_cpb_params_in_pic_timing_sei_flag) { + // Each decoding unit must contain at least one slice segment. + ue(num_decoding_units_minus1, 0, HEVC_MAX_SLICE_SEGMENTS); + flag(du_common_cpb_removal_delay_flag); + + length = hrd->du_cpb_removal_delay_increment_length_minus1 + 1; + if (current->du_common_cpb_removal_delay_flag) + u(length, du_common_cpb_removal_delay_increment_minus1, + 0, MAX_UINT_BITS(length)); + + for (i = 0; i <= current->num_decoding_units_minus1; i++) { + ues(num_nalus_in_du_minus1[i], + 0, HEVC_MAX_SLICE_SEGMENTS, 1, i); + if (!current->du_common_cpb_removal_delay_flag && + i < current->num_decoding_units_minus1) + us(length, du_cpb_removal_delay_increment_minus1[i], + 0, MAX_UINT_BITS(length), 1, i); + } + } + } + + return 0; +} + +static int FUNC(sei_pan_scan_rect)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIPanScanRect *current) +{ + int err, i; + + HEADER("Pan-Scan Rectangle"); + + ue(pan_scan_rect_id, 0, UINT32_MAX - 1); + flag(pan_scan_rect_cancel_flag); + + if (!current->pan_scan_rect_cancel_flag) { + ue(pan_scan_cnt_minus1, 0, 2); + + for (i = 0; i <= current->pan_scan_cnt_minus1; i++) { + ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i); + ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i); + ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i); + ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i); + } + + flag(pan_scan_rect_persistence_flag); + } + + return 0; +} + +static int FUNC(sei_user_data_registered)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIUserDataRegistered *current, + uint32_t *payload_size) +{ + int err, i, j; + + HEADER("User Data Registered ITU-T T.35"); + + u(8, itu_t_t35_country_code, 0x00, 0xff); + if (current->itu_t_t35_country_code != 0xff) + i = 1; + else { + u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff); + i = 2; + } + +#ifdef READ + if (*payload_size < i) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Invalid SEI user data registered payload.\n"); + return AVERROR_INVALIDDATA; + } + current->data_length = *payload_size - i; +#else + *payload_size = i + current->data_length; +#endif + + allocate(current->data, current->data_length); + for (j = 0; j < current->data_length; j++) + xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j); + + return 0; +} + +static int FUNC(sei_user_data_unregistered)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIUserDataUnregistered *current, + uint32_t *payload_size) +{ + int err, i; + + HEADER("User Data Unregistered"); + +#ifdef READ + if (*payload_size < 16) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "Invalid SEI user data unregistered payload.\n"); + return AVERROR_INVALIDDATA; + } + current->data_length = *payload_size - 16; +#else + *payload_size = 16 + current->data_length; +#endif + + for (i = 0; i < 16; i++) + us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i); + + allocate(current->data, current->data_length); + + for (i = 0; i < current->data_length; i++) + xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i); + + return 0; +} + +static int FUNC(sei_recovery_point)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIRecoveryPoint *current) +{ + int err; + + HEADER("Recovery Point"); + + se(recovery_poc_cnt, -32768, 32767); + + flag(exact_match_flag); + flag(broken_link_flag); + + return 0; +} + +static int FUNC(sei_display_orientation)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIDisplayOrientation *current) +{ + int err; + + HEADER("Display Orientation"); + + flag(display_orientation_cancel_flag); + if (!current->display_orientation_cancel_flag) { + flag(hor_flip); + flag(ver_flip); + u(16, anticlockwise_rotation, 0, 65535); + flag(display_orientation_persistence_flag); + } + + return 0; +} + +static int FUNC(sei_active_parameter_sets)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIActiveParameterSets *current) +{ + CodedBitstreamH265Context *h265 = ctx->priv_data; + const H265RawVPS *vps; + int err, i; + + HEADER("Active Parameter Sets"); + + u(4, active_video_parameter_set_id, 0, HEVC_MAX_VPS_COUNT); + vps = h265->vps[current->active_video_parameter_set_id]; + if (!vps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available for active " + "parameter sets.\n", current->active_video_parameter_set_id); + return AVERROR_INVALIDDATA; + } + h265->active_vps = vps; + + flag(self_contained_cvs_flag); + flag(no_parameter_set_update_flag); + + ue(num_sps_ids_minus1, 0, HEVC_MAX_SPS_COUNT - 1); + for (i = 0; i <= current->num_sps_ids_minus1; i++) + ues(active_seq_parameter_set_id[i], 0, HEVC_MAX_SPS_COUNT - 1, 1, i); + + for (i = vps->vps_base_layer_internal_flag; + i <= FFMIN(62, vps->vps_max_layers_minus1); i++) { + ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i); + + if (i == 0) + h265->active_sps = h265->sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]]; + } + + return 0; +} + +static int FUNC(sei_decoded_picture_hash)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIDecodedPictureHash *current) +{ + CodedBitstreamH265Context *h265 = ctx->priv_data; + const H265RawSPS *sps = h265->active_sps; + int err, c, i; + + HEADER("Decoded Picture Hash"); + + if (!sps) { + av_log(ctx->log_ctx, AV_LOG_ERROR, + "No active SPS for decoded picture hash.\n"); + return AVERROR_INVALIDDATA; + } + + u(8, hash_type, 0, 2); + + for (c = 0; c < (sps->chroma_format_idc == 0 ? 1 : 3); c++) { + if (current->hash_type == 0) { + for (i = 0; i < 16; i++) + us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i); + } else if (current->hash_type == 1) { + us(16, picture_crc[c], 0x0000, 0xffff, 1, c); + } else if (current->hash_type == 2) { + us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c); + } + } + + return 0; +} + +static int FUNC(sei_time_code)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEITimeCode *current) +{ + int err, i; + + HEADER("Time Code"); + + u(2, num_clock_ts, 1, 3); + + for (i = 0; i < current->num_clock_ts; i++) { + flags(clock_timestamp_flag[i], 1, i); + + if (current->clock_timestamp_flag[i]) { + flags(units_field_based_flag[i], 1, i); + us(5, counting_type[i], 0, 6, 1, i); + flags(full_timestamp_flag[i], 1, i); + flags(discontinuity_flag[i], 1, i); + flags(cnt_dropped_flag[i], 1, i); + + us(9, n_frames[i], 0, MAX_UINT_BITS(9), 1, i); + + if (current->full_timestamp_flag[i]) { + us(6, seconds_value[i], 0, 59, 1, i); + us(6, minutes_value[i], 0, 59, 1, i); + us(5, hours_value[i], 0, 23, 1, i); + } else { + flags(seconds_flag[i], 1, i); + if (current->seconds_flag[i]) { + us(6, seconds_value[i], 0, 59, 1, i); + flags(minutes_flag[i], 1, i); + if (current->minutes_flag[i]) { + us(6, minutes_value[i], 0, 59, 1, i); + flags(hours_flag[i], 1, i); + if (current->hours_flag[i]) + us(5, hours_value[i], 0, 23, 1, i); + } + } + } + + us(5, time_offset_length[i], 0, 31, 1, i); + if (current->time_offset_length[i] > 0) + us(current->time_offset_length[i], time_offset_value[i], + 0, MAX_UINT_BITS(current->time_offset_length[i]), 1, i); + } + } + + return 0; +} + +static int FUNC(sei_mastering_display)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIMasteringDisplayColourVolume *current) +{ + int err, c; + + HEADER("Mastering Display Colour Volume"); + + for (c = 0; c < 3; c++) { + us(16, display_primaries_x[c], 0, 50000, 1, c); + us(16, display_primaries_y[c], 0, 50000, 1, c); + } + + u(16, white_point_x, 0, 50000); + u(16, white_point_y, 0, 50000); + + u(32, max_display_mastering_luminance, + 1, MAX_UINT_BITS(32)); + u(32, min_display_mastering_luminance, + 0, current->max_display_mastering_luminance - 1); + + return 0; +} + +static int FUNC(sei_content_light_level)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIContentLightLevelInfo *current) +{ + int err; + + HEADER("Content Light Level"); + + u(16, max_content_light_level, 0, MAX_UINT_BITS(16)); + u(16, max_pic_average_light_level, 0, MAX_UINT_BITS(16)); + + return 0; +} + +static int FUNC(sei_alternative_transfer_characteristics)(CodedBitstreamContext *ctx, + RWContext *rw, + H265RawSEIAlternativeTransferCharacteristics *current) +{ + int err; + + HEADER("Alternative Transfer Characteristics"); + + u(8, preferred_transfer_characteristics, 0, 255); + + return 0; +} + +static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEIPayload *current, int prefix) +{ + int err, i; + int start_position, end_position; + +#ifdef READ + start_position = get_bits_count(rw); +#else + start_position = put_bits_count(rw); +#endif + + switch (current->payload_type) { +#define SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid) do { \ + if (prefix && !prefix_valid) { \ + av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \ + "as prefix SEI!\n", #name); \ + return AVERROR_INVALIDDATA; \ + } \ + if (!prefix && !suffix_valid) { \ + av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \ + "as suffix SEI!\n", #name); \ + return AVERROR_INVALIDDATA; \ + } \ + } while (0) +#define SEI_TYPE_N(type, prefix_valid, suffix_valid, name) \ + case HEVC_SEI_TYPE_ ## type: \ + SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \ + CHECK(FUNC(sei_ ## name)(ctx, rw, ¤t->payload.name)); \ + break +#define SEI_TYPE_S(type, prefix_valid, suffix_valid, name) \ + case HEVC_SEI_TYPE_ ## type: \ + SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \ + CHECK(FUNC(sei_ ## name)(ctx, rw, ¤t->payload.name, \ + ¤t->payload_size)); \ + break + + SEI_TYPE_S(BUFFERING_PERIOD, 1, 0, buffering_period); + SEI_TYPE_N(PICTURE_TIMING, 1, 0, pic_timing); + SEI_TYPE_N(PAN_SCAN_RECT, 1, 0, pan_scan_rect); + SEI_TYPE_S(USER_DATA_REGISTERED_ITU_T_T35, + 1, 1, user_data_registered); + SEI_TYPE_S(USER_DATA_UNREGISTERED, 1, 1, user_data_unregistered); + SEI_TYPE_N(RECOVERY_POINT, 1, 0, recovery_point); + SEI_TYPE_N(DISPLAY_ORIENTATION, 1, 0, display_orientation); + SEI_TYPE_N(ACTIVE_PARAMETER_SETS, 1, 0, active_parameter_sets); + SEI_TYPE_N(DECODED_PICTURE_HASH, 0, 1, decoded_picture_hash); + SEI_TYPE_N(TIME_CODE, 1, 0, time_code); + SEI_TYPE_N(MASTERING_DISPLAY_INFO, 1, 0, mastering_display); + SEI_TYPE_N(CONTENT_LIGHT_LEVEL_INFO, 1, 0, content_light_level); + SEI_TYPE_N(ALTERNATIVE_TRANSFER_CHARACTERISTICS, + 1, 0, alternative_transfer_characteristics); + +#undef SEI_TYPE + default: + { +#ifdef READ + current->payload.other.data_length = current->payload_size; +#endif + allocate(current->payload.other.data, current->payload.other.data_length); + + for (i = 0; i < current->payload_size; i++) + xu(8, payload_byte[i], current->payload.other.data[i], 0, 255, + 1, i); + } + } + + if (byte_alignment(rw)) { + fixed(1, bit_equal_to_one, 1); + while (byte_alignment(rw)) + fixed(1, bit_equal_to_zero, 0); + } + +#ifdef READ + end_position = get_bits_count(rw); + if (end_position < start_position + 8 * current->payload_size) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: " + "header %"PRIu32" bits, actually %d bits.\n", + 8 * current->payload_size, + end_position - start_position); + return AVERROR_INVALIDDATA; + } +#else + end_position = put_bits_count(rw); + current->payload_size = (end_position - start_position) >> 3; +#endif + + return 0; +} + +static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw, + H265RawSEI *current, int prefix) +{ + int err, k; + + if (prefix) + HEADER("Prefix Supplemental Enhancement Information"); + else + HEADER("Suffix Supplemental Enhancement Information"); + + CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header, + prefix ? HEVC_NAL_SEI_PREFIX + : HEVC_NAL_SEI_SUFFIX)); + +#ifdef READ + for (k = 0; k < H265_MAX_SEI_PAYLOADS; k++) { + uint32_t payload_type = 0; + uint32_t payload_size = 0; + uint32_t tmp; + + while (show_bits(rw, 8) == 0xff) { + fixed(8, ff_byte, 0xff); + payload_type += 255; + } + xu(8, last_payload_type_byte, tmp, 0, 254, 0); + payload_type += tmp; + + while (show_bits(rw, 8) == 0xff) { + fixed(8, ff_byte, 0xff); + payload_size += 255; + } + xu(8, last_payload_size_byte, tmp, 0, 254, 0); + payload_size += tmp; + + current->payload[k].payload_type = payload_type; + current->payload[k].payload_size = payload_size; + + CHECK(FUNC(sei_payload)(ctx, rw, ¤t->payload[k], prefix)); + + if (!cbs_h2645_read_more_rbsp_data(rw)) + break; + } + if (k >= H265_MAX_SEI_PAYLOADS) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in " + "SEI message: found %d.\n", k); + return AVERROR_INVALIDDATA; + } + current->payload_count = k + 1; +#else + for (k = 0; k < current->payload_count; k++) { + PutBitContext start_state; + uint32_t tmp; + int need_size, i; + + // Somewhat clumsy: we write the payload twice when + // we don't know the size in advance. This will mess + // with trace output, but is otherwise harmless. + start_state = *rw; + need_size = !current->payload[k].payload_size; + for (i = 0; i < 1 + need_size; i++) { + *rw = start_state; + + tmp = current->payload[k].payload_type; + while (tmp >= 255) { + fixed(8, ff_byte, 0xff); + tmp -= 255; + } + xu(8, last_payload_type_byte, tmp, 0, 254, 0); + + tmp = current->payload[k].payload_size; + while (tmp >= 255) { + fixed(8, ff_byte, 0xff); + tmp -= 255; + } + xu(8, last_payload_size_byte, tmp, 0, 254, 0); + + CHECK(FUNC(sei_payload)(ctx, rw, ¤t->payload[k], prefix)); + } + } +#endif + + CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); + + return 0; +} |