mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 07:38:25 -05:00
1427 lines
47 KiB
C
Executable File
1427 lines
47 KiB
C
Executable File
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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static int FUNC(rbsp_trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw)
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{
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int err;
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fixed(1, rbsp_stop_one_bit, 1);
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while (byte_alignment(rw) != 0)
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fixed(1, rbsp_alignment_zero_bit, 0);
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return 0;
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}
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static int FUNC(nal_unit_header)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawNALUnitHeader *current,
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uint32_t valid_type_mask)
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{
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int err;
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fixed(1, forbidden_zero_bit, 0);
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ub(2, nal_ref_idc);
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ub(5, nal_unit_type);
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if (!(1 << current->nal_unit_type & valid_type_mask)) {
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av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid NAL unit type %d.\n",
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current->nal_unit_type);
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return AVERROR_INVALIDDATA;
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}
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if (current->nal_unit_type == 14 ||
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current->nal_unit_type == 20 ||
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current->nal_unit_type == 21) {
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if (current->nal_unit_type != 21)
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flag(svc_extension_flag);
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else
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flag(avc_3d_extension_flag);
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if (current->svc_extension_flag) {
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av_log(ctx->log_ctx, AV_LOG_ERROR, "SVC not supported.\n");
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return AVERROR_PATCHWELCOME;
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} else if (current->avc_3d_extension_flag) {
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av_log(ctx->log_ctx, AV_LOG_ERROR, "3DAVC not supported.\n");
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return AVERROR_PATCHWELCOME;
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} else {
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av_log(ctx->log_ctx, AV_LOG_ERROR, "MVC not supported.\n");
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return AVERROR_PATCHWELCOME;
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}
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}
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return 0;
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}
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static int FUNC(scaling_list)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawScalingList *current,
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int size_of_scaling_list)
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{
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int err, i, scale;
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scale = 8;
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for (i = 0; i < size_of_scaling_list; i++) {
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ses(delta_scale[i], -128, +127, 1, i);
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scale = (scale + current->delta_scale[i] + 256) % 256;
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if (scale == 0)
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break;
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}
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return 0;
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}
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static int FUNC(hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawHRD *current)
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{
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int err, i;
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ue(cpb_cnt_minus1, 0, 31);
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ub(4, bit_rate_scale);
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ub(4, cpb_size_scale);
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for (i = 0; i <= current->cpb_cnt_minus1; i++) {
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ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
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ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
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flags(cbr_flag[i], 1, i);
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}
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ub(5, initial_cpb_removal_delay_length_minus1);
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ub(5, cpb_removal_delay_length_minus1);
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ub(5, dpb_output_delay_length_minus1);
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ub(5, time_offset_length);
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return 0;
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}
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static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawVUI *current, H264RawSPS *sps)
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{
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int err;
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flag(aspect_ratio_info_present_flag);
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if (current->aspect_ratio_info_present_flag) {
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ub(8, aspect_ratio_idc);
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if (current->aspect_ratio_idc == 255) {
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ub(16, sar_width);
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ub(16, sar_height);
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}
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} else {
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infer(aspect_ratio_idc, 0);
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}
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flag(overscan_info_present_flag);
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if (current->overscan_info_present_flag)
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flag(overscan_appropriate_flag);
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flag(video_signal_type_present_flag);
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if (current->video_signal_type_present_flag) {
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ub(3, video_format);
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flag(video_full_range_flag);
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flag(colour_description_present_flag);
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if (current->colour_description_present_flag) {
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ub(8, colour_primaries);
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ub(8, transfer_characteristics);
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ub(8, matrix_coefficients);
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} else {
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infer(colour_primaries, 2);
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infer(transfer_characteristics, 2);
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infer(matrix_coefficients, 2);
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}
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} else {
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infer(video_format, 5);
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infer(video_full_range_flag, 0);
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infer(colour_primaries, 2);
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infer(transfer_characteristics, 2);
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infer(matrix_coefficients, 2);
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}
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flag(chroma_loc_info_present_flag);
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if (current->chroma_loc_info_present_flag) {
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ue(chroma_sample_loc_type_top_field, 0, 5);
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ue(chroma_sample_loc_type_bottom_field, 0, 5);
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} else {
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infer(chroma_sample_loc_type_top_field, 0);
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infer(chroma_sample_loc_type_bottom_field, 0);
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}
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flag(timing_info_present_flag);
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if (current->timing_info_present_flag) {
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u(32, num_units_in_tick, 1, UINT32_MAX);
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u(32, time_scale, 1, UINT32_MAX);
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flag(fixed_frame_rate_flag);
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} else {
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infer(fixed_frame_rate_flag, 0);
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}
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flag(nal_hrd_parameters_present_flag);
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if (current->nal_hrd_parameters_present_flag)
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CHECK(FUNC(hrd_parameters)(ctx, rw, ¤t->nal_hrd_parameters));
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flag(vcl_hrd_parameters_present_flag);
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if (current->vcl_hrd_parameters_present_flag)
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CHECK(FUNC(hrd_parameters)(ctx, rw, ¤t->vcl_hrd_parameters));
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if (current->nal_hrd_parameters_present_flag ||
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current->vcl_hrd_parameters_present_flag)
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flag(low_delay_hrd_flag);
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else
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infer(low_delay_hrd_flag, 1 - current->fixed_frame_rate_flag);
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flag(pic_struct_present_flag);
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flag(bitstream_restriction_flag);
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if (current->bitstream_restriction_flag) {
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flag(motion_vectors_over_pic_boundaries_flag);
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ue(max_bytes_per_pic_denom, 0, 16);
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ue(max_bits_per_mb_denom, 0, 16);
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// The current version of the standard constrains this to be in
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// [0,15], but older versions allow 16.
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ue(log2_max_mv_length_horizontal, 0, 16);
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ue(log2_max_mv_length_vertical, 0, 16);
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ue(max_num_reorder_frames, 0, H264_MAX_DPB_FRAMES);
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ue(max_dec_frame_buffering, 0, H264_MAX_DPB_FRAMES);
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} else {
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infer(motion_vectors_over_pic_boundaries_flag, 1);
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infer(max_bytes_per_pic_denom, 2);
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infer(max_bits_per_mb_denom, 1);
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infer(log2_max_mv_length_horizontal, 15);
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infer(log2_max_mv_length_vertical, 15);
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if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
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sps->profile_idc == 100 || sps->profile_idc == 110 ||
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sps->profile_idc == 122 || sps->profile_idc == 244) &&
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sps->constraint_set3_flag) {
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infer(max_num_reorder_frames, 0);
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infer(max_dec_frame_buffering, 0);
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} else {
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infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
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infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
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}
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}
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return 0;
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}
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static int FUNC(vui_parameters_default)(CodedBitstreamContext *ctx,
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RWContext *rw, H264RawVUI *current,
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H264RawSPS *sps)
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{
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infer(aspect_ratio_idc, 0);
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infer(video_format, 5);
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infer(video_full_range_flag, 0);
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infer(colour_primaries, 2);
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infer(transfer_characteristics, 2);
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infer(matrix_coefficients, 2);
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infer(chroma_sample_loc_type_top_field, 0);
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infer(chroma_sample_loc_type_bottom_field, 0);
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infer(fixed_frame_rate_flag, 0);
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infer(low_delay_hrd_flag, 1);
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infer(pic_struct_present_flag, 0);
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infer(motion_vectors_over_pic_boundaries_flag, 1);
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infer(max_bytes_per_pic_denom, 2);
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infer(max_bits_per_mb_denom, 1);
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infer(log2_max_mv_length_horizontal, 15);
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infer(log2_max_mv_length_vertical, 15);
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if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
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sps->profile_idc == 100 || sps->profile_idc == 110 ||
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sps->profile_idc == 122 || sps->profile_idc == 244) &&
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sps->constraint_set3_flag) {
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infer(max_num_reorder_frames, 0);
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infer(max_dec_frame_buffering, 0);
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} else {
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infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
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infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
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}
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return 0;
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}
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static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawSPS *current)
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{
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int err, i;
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HEADER("Sequence Parameter Set");
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CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
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1 << H264_NAL_SPS));
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ub(8, profile_idc);
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flag(constraint_set0_flag);
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flag(constraint_set1_flag);
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flag(constraint_set2_flag);
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flag(constraint_set3_flag);
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flag(constraint_set4_flag);
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flag(constraint_set5_flag);
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u(2, reserved_zero_2bits, 0, 0);
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ub(8, level_idc);
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ue(seq_parameter_set_id, 0, 31);
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if (current->profile_idc == 100 || current->profile_idc == 110 ||
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current->profile_idc == 122 || current->profile_idc == 244 ||
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current->profile_idc == 44 || current->profile_idc == 83 ||
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current->profile_idc == 86 || current->profile_idc == 118 ||
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current->profile_idc == 128 || current->profile_idc == 138) {
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ue(chroma_format_idc, 0, 3);
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if (current->chroma_format_idc == 3)
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flag(separate_colour_plane_flag);
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else
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infer(separate_colour_plane_flag, 0);
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ue(bit_depth_luma_minus8, 0, 6);
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ue(bit_depth_chroma_minus8, 0, 6);
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flag(qpprime_y_zero_transform_bypass_flag);
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flag(seq_scaling_matrix_present_flag);
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if (current->seq_scaling_matrix_present_flag) {
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for (i = 0; i < ((current->chroma_format_idc != 3) ? 8 : 12); i++) {
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flags(seq_scaling_list_present_flag[i], 1, i);
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if (current->seq_scaling_list_present_flag[i]) {
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if (i < 6)
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CHECK(FUNC(scaling_list)(ctx, rw,
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¤t->scaling_list_4x4[i],
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16));
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else
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CHECK(FUNC(scaling_list)(ctx, rw,
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¤t->scaling_list_8x8[i - 6],
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64));
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}
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}
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}
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} else {
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infer(chroma_format_idc, current->profile_idc == 183 ? 0 : 1);
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infer(separate_colour_plane_flag, 0);
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infer(bit_depth_luma_minus8, 0);
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infer(bit_depth_chroma_minus8, 0);
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}
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ue(log2_max_frame_num_minus4, 0, 12);
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ue(pic_order_cnt_type, 0, 2);
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if (current->pic_order_cnt_type == 0) {
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ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
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} else if (current->pic_order_cnt_type == 1) {
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flag(delta_pic_order_always_zero_flag);
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se(offset_for_non_ref_pic, INT32_MIN + 1, INT32_MAX);
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se(offset_for_top_to_bottom_field, INT32_MIN + 1, INT32_MAX);
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ue(num_ref_frames_in_pic_order_cnt_cycle, 0, 255);
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for (i = 0; i < current->num_ref_frames_in_pic_order_cnt_cycle; i++)
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ses(offset_for_ref_frame[i], INT32_MIN + 1, INT32_MAX, 1, i);
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}
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ue(max_num_ref_frames, 0, H264_MAX_DPB_FRAMES);
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flag(gaps_in_frame_num_allowed_flag);
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ue(pic_width_in_mbs_minus1, 0, H264_MAX_MB_WIDTH);
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ue(pic_height_in_map_units_minus1, 0, H264_MAX_MB_HEIGHT);
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flag(frame_mbs_only_flag);
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if (!current->frame_mbs_only_flag)
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flag(mb_adaptive_frame_field_flag);
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flag(direct_8x8_inference_flag);
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flag(frame_cropping_flag);
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if (current->frame_cropping_flag) {
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ue(frame_crop_left_offset, 0, H264_MAX_WIDTH);
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ue(frame_crop_right_offset, 0, H264_MAX_WIDTH);
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ue(frame_crop_top_offset, 0, H264_MAX_HEIGHT);
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ue(frame_crop_bottom_offset, 0, H264_MAX_HEIGHT);
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}
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flag(vui_parameters_present_flag);
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if (current->vui_parameters_present_flag)
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CHECK(FUNC(vui_parameters)(ctx, rw, ¤t->vui, current));
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else
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CHECK(FUNC(vui_parameters_default)(ctx, rw, ¤t->vui, current));
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CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
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return 0;
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}
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static int FUNC(sps_extension)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawSPSExtension *current)
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{
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int err;
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HEADER("Sequence Parameter Set Extension");
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CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
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1 << H264_NAL_SPS_EXT));
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ue(seq_parameter_set_id, 0, 31);
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ue(aux_format_idc, 0, 3);
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if (current->aux_format_idc != 0) {
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int bits;
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ue(bit_depth_aux_minus8, 0, 4);
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flag(alpha_incr_flag);
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bits = current->bit_depth_aux_minus8 + 9;
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ub(bits, alpha_opaque_value);
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ub(bits, alpha_transparent_value);
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}
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flag(additional_extension_flag);
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CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
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return 0;
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}
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static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw,
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H264RawPPS *current)
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{
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CodedBitstreamH264Context *h264 = ctx->priv_data;
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const H264RawSPS *sps;
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int err, i;
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HEADER("Picture Parameter Set");
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CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
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1 << H264_NAL_PPS));
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ue(pic_parameter_set_id, 0, 255);
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ue(seq_parameter_set_id, 0, 31);
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sps = h264->sps[current->seq_parameter_set_id];
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if (!sps) {
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av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
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current->seq_parameter_set_id);
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return AVERROR_INVALIDDATA;
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}
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flag(entropy_coding_mode_flag);
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flag(bottom_field_pic_order_in_frame_present_flag);
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ue(num_slice_groups_minus1, 0, 7);
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if (current->num_slice_groups_minus1 > 0) {
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unsigned int pic_size;
|
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int iGroup;
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pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
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(sps->pic_height_in_map_units_minus1 + 1);
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ue(slice_group_map_type, 0, 6);
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if (current->slice_group_map_type == 0) {
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for (iGroup = 0; iGroup <= current->num_slice_groups_minus1; iGroup++)
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ues(run_length_minus1[iGroup], 0, pic_size - 1, 1, iGroup);
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} else if (current->slice_group_map_type == 2) {
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for (iGroup = 0; iGroup < current->num_slice_groups_minus1; iGroup++) {
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ues(top_left[iGroup], 0, pic_size - 1, 1, iGroup);
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ues(bottom_right[iGroup],
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current->top_left[iGroup], pic_size - 1, 1, iGroup);
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}
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} else if (current->slice_group_map_type == 3 ||
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current->slice_group_map_type == 4 ||
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current->slice_group_map_type == 5) {
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flag(slice_group_change_direction_flag);
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ue(slice_group_change_rate_minus1, 0, pic_size - 1);
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} else if (current->slice_group_map_type == 6) {
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ue(pic_size_in_map_units_minus1, pic_size - 1, pic_size - 1);
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allocate(current->slice_group_id,
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current->pic_size_in_map_units_minus1 + 1);
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for (i = 0; i <= current->pic_size_in_map_units_minus1; i++)
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us(av_log2(2 * current->num_slice_groups_minus1 + 1),
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slice_group_id[i], 0, current->num_slice_groups_minus1, 1, i);
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}
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}
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|
|
ue(num_ref_idx_l0_default_active_minus1, 0, 31);
|
|
ue(num_ref_idx_l1_default_active_minus1, 0, 31);
|
|
|
|
flag(weighted_pred_flag);
|
|
u(2, weighted_bipred_idc, 0, 2);
|
|
|
|
se(pic_init_qp_minus26, -26 - 6 * sps->bit_depth_luma_minus8, +25);
|
|
se(pic_init_qs_minus26, -26, +25);
|
|
se(chroma_qp_index_offset, -12, +12);
|
|
|
|
flag(deblocking_filter_control_present_flag);
|
|
flag(constrained_intra_pred_flag);
|
|
flag(redundant_pic_cnt_present_flag);
|
|
|
|
if (more_rbsp_data(current->more_rbsp_data))
|
|
{
|
|
flag(transform_8x8_mode_flag);
|
|
|
|
flag(pic_scaling_matrix_present_flag);
|
|
if (current->pic_scaling_matrix_present_flag) {
|
|
for (i = 0; i < 6 + (((sps->chroma_format_idc != 3) ? 2 : 6) *
|
|
current->transform_8x8_mode_flag); i++) {
|
|
flags(pic_scaling_list_present_flag[i], 1, i);
|
|
if (current->pic_scaling_list_present_flag[i]) {
|
|
if (i < 6)
|
|
CHECK(FUNC(scaling_list)(ctx, rw,
|
|
¤t->scaling_list_4x4[i],
|
|
16));
|
|
else
|
|
CHECK(FUNC(scaling_list)(ctx, rw,
|
|
¤t->scaling_list_8x8[i - 6],
|
|
64));
|
|
}
|
|
}
|
|
}
|
|
|
|
se(second_chroma_qp_index_offset, -12, +12);
|
|
} else {
|
|
infer(transform_8x8_mode_flag, 0);
|
|
infer(pic_scaling_matrix_present_flag, 0);
|
|
infer(second_chroma_qp_index_offset, current->chroma_qp_index_offset);
|
|
}
|
|
|
|
CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_buffering_period)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIBufferingPeriod *current)
|
|
{
|
|
CodedBitstreamH264Context *h264 = ctx->priv_data;
|
|
const H264RawSPS *sps;
|
|
int err, i, length;
|
|
|
|
HEADER("Buffering Period");
|
|
|
|
ue(seq_parameter_set_id, 0, 31);
|
|
|
|
sps = h264->sps[current->seq_parameter_set_id];
|
|
if (!sps) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
|
|
current->seq_parameter_set_id);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
h264->active_sps = sps;
|
|
|
|
if (sps->vui.nal_hrd_parameters_present_flag) {
|
|
for (i = 0; i <= sps->vui.nal_hrd_parameters.cpb_cnt_minus1; i++) {
|
|
length = sps->vui.nal_hrd_parameters.initial_cpb_removal_delay_length_minus1 + 1;
|
|
xu(length, initial_cpb_removal_delay[SchedSelIdx],
|
|
current->nal.initial_cpb_removal_delay[i],
|
|
1, MAX_UINT_BITS(length), 1, i);
|
|
xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
|
|
current->nal.initial_cpb_removal_delay_offset[i],
|
|
0, MAX_UINT_BITS(length), 1, i);
|
|
}
|
|
}
|
|
|
|
if (sps->vui.vcl_hrd_parameters_present_flag) {
|
|
for (i = 0; i <= sps->vui.vcl_hrd_parameters.cpb_cnt_minus1; i++) {
|
|
length = sps->vui.vcl_hrd_parameters.initial_cpb_removal_delay_length_minus1 + 1;
|
|
xu(length, initial_cpb_removal_delay[SchedSelIdx],
|
|
current->vcl.initial_cpb_removal_delay[i],
|
|
1, MAX_UINT_BITS(length), 1, i);
|
|
xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
|
|
current->vcl.initial_cpb_removal_delay_offset[i],
|
|
0, MAX_UINT_BITS(length), 1, i);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_pic_timestamp)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIPicTimestamp *current,
|
|
const H264RawSPS *sps)
|
|
{
|
|
uint8_t time_offset_length;
|
|
int err;
|
|
|
|
u(2, ct_type, 0, 2);
|
|
flag(nuit_field_based_flag);
|
|
u(5, counting_type, 0, 6);
|
|
flag(full_timestamp_flag);
|
|
flag(discontinuity_flag);
|
|
flag(cnt_dropped_flag);
|
|
ub(8, n_frames);
|
|
if (current->full_timestamp_flag) {
|
|
u(6, seconds_value, 0, 59);
|
|
u(6, minutes_value, 0, 59);
|
|
u(5, hours_value, 0, 23);
|
|
} else {
|
|
flag(seconds_flag);
|
|
if (current->seconds_flag) {
|
|
u(6, seconds_value, 0, 59);
|
|
flag(minutes_flag);
|
|
if (current->minutes_flag) {
|
|
u(6, minutes_value, 0, 59);
|
|
flag(hours_flag);
|
|
if (current->hours_flag)
|
|
u(5, hours_value, 0, 23);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (sps->vui.nal_hrd_parameters_present_flag)
|
|
time_offset_length = sps->vui.nal_hrd_parameters.time_offset_length;
|
|
else if (sps->vui.vcl_hrd_parameters_present_flag)
|
|
time_offset_length = sps->vui.vcl_hrd_parameters.time_offset_length;
|
|
else
|
|
time_offset_length = 24;
|
|
|
|
if (time_offset_length > 0)
|
|
ib(time_offset_length, time_offset);
|
|
else
|
|
infer(time_offset, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_pic_timing)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIPicTiming *current)
|
|
{
|
|
CodedBitstreamH264Context *h264 = ctx->priv_data;
|
|
const H264RawSPS *sps;
|
|
int err;
|
|
|
|
HEADER("Picture Timing");
|
|
|
|
sps = h264->active_sps;
|
|
if (!sps) {
|
|
// If there is exactly one possible SPS but it is not yet active
|
|
// then just assume that it should be the active one.
|
|
int i, k = -1;
|
|
for (i = 0; i < H264_MAX_SPS_COUNT; i++) {
|
|
if (h264->sps[i]) {
|
|
if (k >= 0) {
|
|
k = -1;
|
|
break;
|
|
}
|
|
k = i;
|
|
}
|
|
}
|
|
if (k >= 0)
|
|
sps = h264->sps[k];
|
|
}
|
|
if (!sps) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR,
|
|
"No active SPS for pic_timing.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
if (sps->vui.nal_hrd_parameters_present_flag ||
|
|
sps->vui.vcl_hrd_parameters_present_flag) {
|
|
const H264RawHRD *hrd;
|
|
|
|
if (sps->vui.nal_hrd_parameters_present_flag)
|
|
hrd = &sps->vui.nal_hrd_parameters;
|
|
else if (sps->vui.vcl_hrd_parameters_present_flag)
|
|
hrd = &sps->vui.vcl_hrd_parameters;
|
|
else {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR,
|
|
"No HRD parameters for pic_timing.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
ub(hrd->cpb_removal_delay_length_minus1 + 1, cpb_removal_delay);
|
|
ub(hrd->dpb_output_delay_length_minus1 + 1, dpb_output_delay);
|
|
}
|
|
|
|
if (sps->vui.pic_struct_present_flag) {
|
|
static const uint8_t num_clock_ts[9] = {
|
|
1, 1, 1, 2, 2, 3, 3, 2, 3
|
|
};
|
|
int i;
|
|
|
|
u(4, pic_struct, 0, 8);
|
|
if (current->pic_struct > 8)
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
for (i = 0; i < num_clock_ts[current->pic_struct]; i++) {
|
|
flags(clock_timestamp_flag[i], 1, i);
|
|
if (current->clock_timestamp_flag[i])
|
|
CHECK(FUNC(sei_pic_timestamp)(ctx, rw,
|
|
¤t->timestamp[i], sps));
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_pan_scan_rect)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIPanScanRect *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);
|
|
}
|
|
|
|
ue(pan_scan_rect_repetition_period, 0, 16384);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_user_data_registered)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIUserDataRegistered *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,
|
|
H264RawSEIUserDataUnregistered *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,
|
|
H264RawSEIRecoveryPoint *current)
|
|
{
|
|
int err;
|
|
|
|
HEADER("Recovery Point");
|
|
|
|
ue(recovery_frame_cnt, 0, 65535);
|
|
flag(exact_match_flag);
|
|
flag(broken_link_flag);
|
|
u(2, changing_slice_group_idc, 0, 2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_display_orientation)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIDisplayOrientation *current)
|
|
{
|
|
int err;
|
|
|
|
HEADER("Display Orientation");
|
|
|
|
flag(display_orientation_cancel_flag);
|
|
if (!current->display_orientation_cancel_flag) {
|
|
flag(hor_flip);
|
|
flag(ver_flip);
|
|
ub(16, anticlockwise_rotation);
|
|
ue(display_orientation_repetition_period, 0, 16384);
|
|
flag(display_orientation_extension_flag);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_mastering_display_colour_volume)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIMasteringDisplayColourVolume *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_alternative_transfer_characteristics)(CodedBitstreamContext *ctx,
|
|
RWContext *rw,
|
|
H264RawSEIAlternativeTransferCharacteristics *current)
|
|
{
|
|
int err;
|
|
|
|
HEADER("Alternative Transfer Characteristics");
|
|
|
|
ub(8, preferred_transfer_characteristics);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEIPayload *current)
|
|
{
|
|
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) {
|
|
case H264_SEI_TYPE_BUFFERING_PERIOD:
|
|
CHECK(FUNC(sei_buffering_period)
|
|
(ctx, rw, ¤t->payload.buffering_period));
|
|
break;
|
|
case H264_SEI_TYPE_PIC_TIMING:
|
|
CHECK(FUNC(sei_pic_timing)
|
|
(ctx, rw, ¤t->payload.pic_timing));
|
|
break;
|
|
case H264_SEI_TYPE_PAN_SCAN_RECT:
|
|
CHECK(FUNC(sei_pan_scan_rect)
|
|
(ctx, rw, ¤t->payload.pan_scan_rect));
|
|
break;
|
|
case H264_SEI_TYPE_FILLER_PAYLOAD:
|
|
{
|
|
for (i = 0; i < current->payload_size; i++)
|
|
fixed(8, ff_byte, 0xff);
|
|
}
|
|
break;
|
|
case H264_SEI_TYPE_USER_DATA_REGISTERED:
|
|
CHECK(FUNC(sei_user_data_registered)
|
|
(ctx, rw, ¤t->payload.user_data_registered, ¤t->payload_size));
|
|
break;
|
|
case H264_SEI_TYPE_USER_DATA_UNREGISTERED:
|
|
CHECK(FUNC(sei_user_data_unregistered)
|
|
(ctx, rw, ¤t->payload.user_data_unregistered, ¤t->payload_size));
|
|
break;
|
|
case H264_SEI_TYPE_RECOVERY_POINT:
|
|
CHECK(FUNC(sei_recovery_point)
|
|
(ctx, rw, ¤t->payload.recovery_point));
|
|
break;
|
|
case H264_SEI_TYPE_DISPLAY_ORIENTATION:
|
|
CHECK(FUNC(sei_display_orientation)
|
|
(ctx, rw, ¤t->payload.display_orientation));
|
|
break;
|
|
case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
|
|
CHECK(FUNC(sei_mastering_display_colour_volume)
|
|
(ctx, rw, ¤t->payload.mastering_display_colour_volume));
|
|
break;
|
|
case H264_SEI_TYPE_ALTERNATIVE_TRANSFER:
|
|
CHECK(FUNC(sei_alternative_transfer_characteristics)
|
|
(ctx, rw, ¤t->payload.alternative_transfer_characteristics));
|
|
break;
|
|
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.other.data_length; 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) / 8;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSEI *current)
|
|
{
|
|
int err, k;
|
|
|
|
HEADER("Supplemental Enhancement Information");
|
|
|
|
CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
|
|
1 << H264_NAL_SEI));
|
|
|
|
#ifdef READ
|
|
for (k = 0; k < H264_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;
|
|
|
|
current->payload_count++;
|
|
CHECK(FUNC(sei_payload)(ctx, rw, ¤t->payload[k]));
|
|
|
|
if (!cbs_h2645_read_more_rbsp_data(rw))
|
|
break;
|
|
}
|
|
if (k >= H264_MAX_SEI_PAYLOADS) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in "
|
|
"SEI message: found %d.\n", k);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
#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]));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(aud)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawAUD *current)
|
|
{
|
|
int err;
|
|
|
|
HEADER("Access Unit Delimiter");
|
|
|
|
CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
|
|
1 << H264_NAL_AUD));
|
|
|
|
ub(3, primary_pic_type);
|
|
|
|
CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(ref_pic_list_modification)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSliceHeader *current)
|
|
{
|
|
CodedBitstreamH264Context *h264 = ctx->priv_data;
|
|
const H264RawSPS *sps = h264->active_sps;
|
|
int err, i, mopn;
|
|
|
|
if (current->slice_type % 5 != 2 &&
|
|
current->slice_type % 5 != 4) {
|
|
flag(ref_pic_list_modification_flag_l0);
|
|
if (current->ref_pic_list_modification_flag_l0) {
|
|
for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
|
|
xue(modification_of_pic_nums_idc,
|
|
current->rplm_l0[i].modification_of_pic_nums_idc, 0, 3, 0);
|
|
|
|
mopn = current->rplm_l0[i].modification_of_pic_nums_idc;
|
|
if (mopn == 3)
|
|
break;
|
|
|
|
if (mopn == 0 || mopn == 1)
|
|
xue(abs_diff_pic_num_minus1,
|
|
current->rplm_l0[i].abs_diff_pic_num_minus1,
|
|
0, (1 + current->field_pic_flag) *
|
|
(1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
|
|
else if (mopn == 2)
|
|
xue(long_term_pic_num,
|
|
current->rplm_l0[i].long_term_pic_num,
|
|
0, sps->max_num_ref_frames - 1, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (current->slice_type % 5 == 1) {
|
|
flag(ref_pic_list_modification_flag_l1);
|
|
if (current->ref_pic_list_modification_flag_l1) {
|
|
for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
|
|
xue(modification_of_pic_nums_idc,
|
|
current->rplm_l1[i].modification_of_pic_nums_idc, 0, 3, 0);
|
|
|
|
mopn = current->rplm_l1[i].modification_of_pic_nums_idc;
|
|
if (mopn == 3)
|
|
break;
|
|
|
|
if (mopn == 0 || mopn == 1)
|
|
xue(abs_diff_pic_num_minus1,
|
|
current->rplm_l1[i].abs_diff_pic_num_minus1,
|
|
0, (1 + current->field_pic_flag) *
|
|
(1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
|
|
else if (mopn == 2)
|
|
xue(long_term_pic_num,
|
|
current->rplm_l1[i].long_term_pic_num,
|
|
0, sps->max_num_ref_frames - 1, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSliceHeader *current)
|
|
{
|
|
CodedBitstreamH264Context *h264 = ctx->priv_data;
|
|
const H264RawSPS *sps = h264->active_sps;
|
|
int chroma;
|
|
int err, i, j;
|
|
|
|
ue(luma_log2_weight_denom, 0, 7);
|
|
|
|
chroma = !sps->separate_colour_plane_flag && sps->chroma_format_idc != 0;
|
|
if (chroma)
|
|
ue(chroma_log2_weight_denom, 0, 7);
|
|
|
|
for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
|
|
flags(luma_weight_l0_flag[i], 1, i);
|
|
if (current->luma_weight_l0_flag[i]) {
|
|
ses(luma_weight_l0[i], -128, +127, 1, i);
|
|
ses(luma_offset_l0[i], -128, +127, 1, i);
|
|
}
|
|
if (chroma) {
|
|
flags(chroma_weight_l0_flag[i], 1, i);
|
|
if (current->chroma_weight_l0_flag[i]) {
|
|
for (j = 0; j < 2; j++) {
|
|
ses(chroma_weight_l0[i][j], -128, +127, 2, i, j);
|
|
ses(chroma_offset_l0[i][j], -128, +127, 2, i, j);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (current->slice_type % 5 == 1) {
|
|
for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
|
|
flags(luma_weight_l1_flag[i], 1, i);
|
|
if (current->luma_weight_l1_flag[i]) {
|
|
ses(luma_weight_l1[i], -128, +127, 1, i);
|
|
ses(luma_offset_l1[i], -128, +127, 1, i);
|
|
}
|
|
if (chroma) {
|
|
flags(chroma_weight_l1_flag[i], 1, i);
|
|
if (current->chroma_weight_l1_flag[i]) {
|
|
for (j = 0; j < 2; j++) {
|
|
ses(chroma_weight_l1[i][j], -128, +127, 2, i, j);
|
|
ses(chroma_offset_l1[i][j], -128, +127, 2, i, j);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(dec_ref_pic_marking)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSliceHeader *current, int idr_pic_flag)
|
|
{
|
|
CodedBitstreamH264Context *h264 = ctx->priv_data;
|
|
const H264RawSPS *sps = h264->active_sps;
|
|
int err, i;
|
|
uint32_t mmco;
|
|
|
|
if (idr_pic_flag) {
|
|
flag(no_output_of_prior_pics_flag);
|
|
flag(long_term_reference_flag);
|
|
} else {
|
|
flag(adaptive_ref_pic_marking_mode_flag);
|
|
if (current->adaptive_ref_pic_marking_mode_flag) {
|
|
for (i = 0; i < H264_MAX_MMCO_COUNT; i++) {
|
|
xue(memory_management_control_operation,
|
|
current->mmco[i].memory_management_control_operation,
|
|
0, 6, 0);
|
|
|
|
mmco = current->mmco[i].memory_management_control_operation;
|
|
if (mmco == 0)
|
|
break;
|
|
|
|
if (mmco == 1 || mmco == 3)
|
|
xue(difference_of_pic_nums_minus1,
|
|
current->mmco[i].difference_of_pic_nums_minus1,
|
|
0, INT32_MAX, 0);
|
|
if (mmco == 2)
|
|
xue(long_term_pic_num,
|
|
current->mmco[i].long_term_pic_num,
|
|
0, sps->max_num_ref_frames - 1, 0);
|
|
if (mmco == 3 || mmco == 6)
|
|
xue(long_term_frame_idx,
|
|
current->mmco[i].long_term_frame_idx,
|
|
0, sps->max_num_ref_frames - 1, 0);
|
|
if (mmco == 4)
|
|
xue(max_long_term_frame_idx_plus1,
|
|
current->mmco[i].max_long_term_frame_idx_plus1,
|
|
0, sps->max_num_ref_frames, 0);
|
|
}
|
|
if (i == H264_MAX_MMCO_COUNT) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many "
|
|
"memory management control operations.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawSliceHeader *current)
|
|
{
|
|
CodedBitstreamH264Context *h264 = ctx->priv_data;
|
|
const H264RawSPS *sps;
|
|
const H264RawPPS *pps;
|
|
int err;
|
|
int idr_pic_flag;
|
|
int slice_type_i, slice_type_p, slice_type_b;
|
|
int slice_type_si, slice_type_sp;
|
|
|
|
HEADER("Slice Header");
|
|
|
|
CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
|
|
1 << H264_NAL_SLICE |
|
|
1 << H264_NAL_IDR_SLICE |
|
|
1 << H264_NAL_AUXILIARY_SLICE));
|
|
|
|
if (current->nal_unit_header.nal_unit_type == H264_NAL_AUXILIARY_SLICE) {
|
|
if (!h264->last_slice_nal_unit_type) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "Auxiliary slice "
|
|
"is not decodable without the main picture "
|
|
"in the same access unit.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
idr_pic_flag = h264->last_slice_nal_unit_type == H264_NAL_IDR_SLICE;
|
|
} else {
|
|
idr_pic_flag = current->nal_unit_header.nal_unit_type == H264_NAL_IDR_SLICE;
|
|
}
|
|
|
|
ue(first_mb_in_slice, 0, H264_MAX_MB_PIC_SIZE - 1);
|
|
ue(slice_type, 0, 9);
|
|
|
|
slice_type_i = current->slice_type % 5 == 2;
|
|
slice_type_p = current->slice_type % 5 == 0;
|
|
slice_type_b = current->slice_type % 5 == 1;
|
|
slice_type_si = current->slice_type % 5 == 4;
|
|
slice_type_sp = current->slice_type % 5 == 3;
|
|
|
|
if (idr_pic_flag && !(slice_type_i || slice_type_si)) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid slice type %d "
|
|
"for IDR picture.\n", current->slice_type);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
ue(pic_parameter_set_id, 0, 255);
|
|
|
|
pps = h264->pps[current->pic_parameter_set_id];
|
|
if (!pps) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
|
|
current->pic_parameter_set_id);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
h264->active_pps = pps;
|
|
|
|
sps = h264->sps[pps->seq_parameter_set_id];
|
|
if (!sps) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
|
|
pps->seq_parameter_set_id);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
h264->active_sps = sps;
|
|
|
|
if (sps->separate_colour_plane_flag)
|
|
u(2, colour_plane_id, 0, 2);
|
|
|
|
ub(sps->log2_max_frame_num_minus4 + 4, frame_num);
|
|
|
|
if (!sps->frame_mbs_only_flag) {
|
|
flag(field_pic_flag);
|
|
if (current->field_pic_flag)
|
|
flag(bottom_field_flag);
|
|
else
|
|
infer(bottom_field_flag, 0);
|
|
} else {
|
|
infer(field_pic_flag, 0);
|
|
infer(bottom_field_flag, 0);
|
|
}
|
|
|
|
if (idr_pic_flag)
|
|
ue(idr_pic_id, 0, 65535);
|
|
|
|
if (sps->pic_order_cnt_type == 0) {
|
|
ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, pic_order_cnt_lsb);
|
|
if (pps->bottom_field_pic_order_in_frame_present_flag &&
|
|
!current->field_pic_flag)
|
|
se(delta_pic_order_cnt_bottom, INT32_MIN + 1, INT32_MAX);
|
|
|
|
} else if (sps->pic_order_cnt_type == 1) {
|
|
if (!sps->delta_pic_order_always_zero_flag) {
|
|
se(delta_pic_order_cnt[0], INT32_MIN + 1, INT32_MAX);
|
|
if (pps->bottom_field_pic_order_in_frame_present_flag &&
|
|
!current->field_pic_flag)
|
|
se(delta_pic_order_cnt[1], INT32_MIN + 1, INT32_MAX);
|
|
else
|
|
infer(delta_pic_order_cnt[1], 0);
|
|
} else {
|
|
infer(delta_pic_order_cnt[0], 0);
|
|
infer(delta_pic_order_cnt[1], 0);
|
|
}
|
|
}
|
|
|
|
if (pps->redundant_pic_cnt_present_flag)
|
|
ue(redundant_pic_cnt, 0, 127);
|
|
else
|
|
infer(redundant_pic_cnt, 0);
|
|
|
|
if (current->nal_unit_header.nal_unit_type != H264_NAL_AUXILIARY_SLICE
|
|
&& !current->redundant_pic_cnt)
|
|
h264->last_slice_nal_unit_type =
|
|
current->nal_unit_header.nal_unit_type;
|
|
|
|
if (slice_type_b)
|
|
flag(direct_spatial_mv_pred_flag);
|
|
|
|
if (slice_type_p || slice_type_sp || slice_type_b) {
|
|
flag(num_ref_idx_active_override_flag);
|
|
if (current->num_ref_idx_active_override_flag) {
|
|
ue(num_ref_idx_l0_active_minus1, 0, 31);
|
|
if (slice_type_b)
|
|
ue(num_ref_idx_l1_active_minus1, 0, 31);
|
|
} else {
|
|
infer(num_ref_idx_l0_active_minus1,
|
|
pps->num_ref_idx_l0_default_active_minus1);
|
|
infer(num_ref_idx_l1_active_minus1,
|
|
pps->num_ref_idx_l1_default_active_minus1);
|
|
}
|
|
}
|
|
|
|
if (current->nal_unit_header.nal_unit_type == 20 ||
|
|
current->nal_unit_header.nal_unit_type == 21) {
|
|
av_log(ctx->log_ctx, AV_LOG_ERROR, "MVC / 3DAVC not supported.\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
} else {
|
|
CHECK(FUNC(ref_pic_list_modification)(ctx, rw, current));
|
|
}
|
|
|
|
if ((pps->weighted_pred_flag && (slice_type_p || slice_type_sp)) ||
|
|
(pps->weighted_bipred_idc == 1 && slice_type_b)) {
|
|
CHECK(FUNC(pred_weight_table)(ctx, rw, current));
|
|
}
|
|
|
|
if (current->nal_unit_header.nal_ref_idc != 0) {
|
|
CHECK(FUNC(dec_ref_pic_marking)(ctx, rw, current, idr_pic_flag));
|
|
}
|
|
|
|
if (pps->entropy_coding_mode_flag &&
|
|
!slice_type_i && !slice_type_si) {
|
|
ue(cabac_init_idc, 0, 2);
|
|
}
|
|
|
|
se(slice_qp_delta, - 51 - 6 * sps->bit_depth_luma_minus8,
|
|
+ 51 + 6 * sps->bit_depth_luma_minus8);
|
|
if (slice_type_sp || slice_type_si) {
|
|
if (slice_type_sp)
|
|
flag(sp_for_switch_flag);
|
|
se(slice_qs_delta, -51, +51);
|
|
}
|
|
|
|
if (pps->deblocking_filter_control_present_flag) {
|
|
ue(disable_deblocking_filter_idc, 0, 2);
|
|
if (current->disable_deblocking_filter_idc != 1) {
|
|
se(slice_alpha_c0_offset_div2, -6, +6);
|
|
se(slice_beta_offset_div2, -6, +6);
|
|
} else {
|
|
infer(slice_alpha_c0_offset_div2, 0);
|
|
infer(slice_beta_offset_div2, 0);
|
|
}
|
|
} else {
|
|
infer(disable_deblocking_filter_idc, 0);
|
|
infer(slice_alpha_c0_offset_div2, 0);
|
|
infer(slice_beta_offset_div2, 0);
|
|
}
|
|
|
|
if (pps->num_slice_groups_minus1 > 0 &&
|
|
pps->slice_group_map_type >= 3 &&
|
|
pps->slice_group_map_type <= 5) {
|
|
unsigned int pic_size, max, bits;
|
|
|
|
pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
|
|
(sps->pic_height_in_map_units_minus1 + 1);
|
|
max = (pic_size + pps->slice_group_change_rate_minus1) /
|
|
(pps->slice_group_change_rate_minus1 + 1);
|
|
bits = av_ceil_log2(max + 1);
|
|
|
|
u(bits, slice_group_change_cycle, 0, max);
|
|
}
|
|
|
|
if (pps->entropy_coding_mode_flag) {
|
|
while (byte_alignment(rw))
|
|
fixed(1, cabac_alignment_one_bit, 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(filler)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawFiller *current)
|
|
{
|
|
int err;
|
|
|
|
HEADER("Filler Data");
|
|
|
|
CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header,
|
|
1 << H264_NAL_FILLER_DATA));
|
|
|
|
#ifdef READ
|
|
while (show_bits(rw, 8) == 0xff) {
|
|
fixed(8, ff_byte, 0xff);
|
|
++current->filler_size;
|
|
}
|
|
#else
|
|
{
|
|
uint32_t i;
|
|
for (i = 0; i < current->filler_size; i++)
|
|
fixed(8, ff_byte, 0xff);
|
|
}
|
|
#endif
|
|
|
|
CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int FUNC(end_of_sequence)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawNALUnitHeader *current)
|
|
{
|
|
HEADER("End of Sequence");
|
|
|
|
return FUNC(nal_unit_header)(ctx, rw, current,
|
|
1 << H264_NAL_END_SEQUENCE);
|
|
}
|
|
|
|
static int FUNC(end_of_stream)(CodedBitstreamContext *ctx, RWContext *rw,
|
|
H264RawNALUnitHeader *current)
|
|
{
|
|
HEADER("End of Stream");
|
|
|
|
return FUNC(nal_unit_header)(ctx, rw, current,
|
|
1 << H264_NAL_END_STREAM);
|
|
}
|