SeqParameterSetpublic class SeqParameterSet extends BitstreamElement | Sequence Parameter Set structure of h264 bitstream
capable to serialize and deserialize with CAVLC bitstream |
| Fields Summary |
|---|
| public int | pic_order_cnt_type | | public boolean | field_pic_flag | | public boolean | delta_pic_order_always_zero_flag | | public boolean | weighted_pred_flag | | public int | weighted_bipred_idc | | public boolean | entropy_coding_mode_flag | | public boolean | mb_adaptive_frame_field_flag | | public boolean | direct_8x8_inference_flag | | public ChromaFormat | chroma_format_idc | | public int | log2_max_frame_num_minus4 | | public int | log2_max_pic_order_cnt_lsb_minus4 | | public int | pic_height_in_map_units_minus1 | | public int | pic_width_in_mbs_minus1 | | public int | bit_depth_luma_minus8 | | public int | bit_depth_chroma_minus8 | | public boolean | qpprime_y_zero_transform_bypass_flag | | public int | profile_idc | | public boolean | constraint_set_0_flag | | public boolean | constraint_set_1_flag | | public boolean | constraint_set_2_flag | | public boolean | constraint_set_3_flag | | public int | level_idc | | public int | seq_parameter_set_id | | public boolean | residual_color_transform_flag | | public int | offset_for_non_ref_pic | | public int | offset_for_top_to_bottom_field | | public int | num_ref_frames | | public boolean | gaps_in_frame_num_value_allowed_flag | | public boolean | frame_mbs_only_flag | | public boolean | frame_cropping_flag | | public int | frame_crop_left_offset | | public int | frame_crop_right_offset | | public int | frame_crop_top_offset | | public int | frame_crop_bottom_offset | | public int[] | offsetForRefFrame | | public VUIParameters | vuiParams | | public ScalingMatrix | scalingMatrix | | public int | num_ref_frames_in_pic_order_cnt_cycle |
| Methods Summary |
|---|
| private static VUIParameters | ReadVUIParameters(com.googlecode.mp4parser.h264.read.CAVLCReader reader)
VUIParameters vuip = new VUIParameters();
vuip.aspect_ratio_info_present_flag = reader
.readBool("VUI: aspect_ratio_info_present_flag");
if (vuip.aspect_ratio_info_present_flag) {
vuip.aspect_ratio = AspectRatio.fromValue((int) reader.readNBit(8,
"VUI: aspect_ratio"));
if (vuip.aspect_ratio == AspectRatio.Extended_SAR) {
vuip.sar_width = (int) reader.readNBit(16, "VUI: sar_width");
vuip.sar_height = (int) reader.readNBit(16, "VUI: sar_height");
}
}
vuip.overscan_info_present_flag = reader
.readBool("VUI: overscan_info_present_flag");
if (vuip.overscan_info_present_flag) {
vuip.overscan_appropriate_flag = reader
.readBool("VUI: overscan_appropriate_flag");
}
vuip.video_signal_type_present_flag = reader
.readBool("VUI: video_signal_type_present_flag");
if (vuip.video_signal_type_present_flag) {
vuip.video_format = (int) reader.readNBit(3, "VUI: video_format");
vuip.video_full_range_flag = reader
.readBool("VUI: video_full_range_flag");
vuip.colour_description_present_flag = reader
.readBool("VUI: colour_description_present_flag");
if (vuip.colour_description_present_flag) {
vuip.colour_primaries = (int) reader.readNBit(8,
"VUI: colour_primaries");
vuip.transfer_characteristics = (int) reader.readNBit(8,
"VUI: transfer_characteristics");
vuip.matrix_coefficients = (int) reader.readNBit(8,
"VUI: matrix_coefficients");
}
}
vuip.chroma_loc_info_present_flag = reader
.readBool("VUI: chroma_loc_info_present_flag");
if (vuip.chroma_loc_info_present_flag) {
vuip.chroma_sample_loc_type_top_field = reader
.readUE("VUI chroma_sample_loc_type_top_field");
vuip.chroma_sample_loc_type_bottom_field = reader
.readUE("VUI chroma_sample_loc_type_bottom_field");
}
vuip.timing_info_present_flag = reader
.readBool("VUI: timing_info_present_flag");
if (vuip.timing_info_present_flag) {
vuip.num_units_in_tick = (int) reader.readNBit(32,
"VUI: num_units_in_tick");
vuip.time_scale = (int) reader.readNBit(32, "VUI: time_scale");
vuip.fixed_frame_rate_flag = reader
.readBool("VUI: fixed_frame_rate_flag");
}
boolean nal_hrd_parameters_present_flag = reader
.readBool("VUI: nal_hrd_parameters_present_flag");
if (nal_hrd_parameters_present_flag)
vuip.nalHRDParams = readHRDParameters(reader);
boolean vcl_hrd_parameters_present_flag = reader
.readBool("VUI: vcl_hrd_parameters_present_flag");
if (vcl_hrd_parameters_present_flag)
vuip.vclHRDParams = readHRDParameters(reader);
if (nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag) {
vuip.low_delay_hrd_flag = reader
.readBool("VUI: low_delay_hrd_flag");
}
vuip.pic_struct_present_flag = reader
.readBool("VUI: pic_struct_present_flag");
boolean bitstream_restriction_flag = reader
.readBool("VUI: bitstream_restriction_flag");
if (bitstream_restriction_flag) {
vuip.bitstreamRestriction = new VUIParameters.BitstreamRestriction();
vuip.bitstreamRestriction.motion_vectors_over_pic_boundaries_flag = reader
.readBool("VUI: motion_vectors_over_pic_boundaries_flag");
vuip.bitstreamRestriction.max_bytes_per_pic_denom = reader
.readUE("VUI max_bytes_per_pic_denom");
vuip.bitstreamRestriction.max_bits_per_mb_denom = reader
.readUE("VUI max_bits_per_mb_denom");
vuip.bitstreamRestriction.log2_max_mv_length_horizontal = reader
.readUE("VUI log2_max_mv_length_horizontal");
vuip.bitstreamRestriction.log2_max_mv_length_vertical = reader
.readUE("VUI log2_max_mv_length_vertical");
vuip.bitstreamRestriction.num_reorder_frames = reader
.readUE("VUI num_reorder_frames");
vuip.bitstreamRestriction.max_dec_frame_buffering = reader
.readUE("VUI max_dec_frame_buffering");
}
return vuip;
| | public static com.googlecode.mp4parser.h264.model.SeqParameterSet | read(java.io.InputStream is)
CAVLCReader reader = new CAVLCReader(is);
SeqParameterSet sps = new SeqParameterSet();
sps.profile_idc = (int) reader.readNBit(8, "SPS: profile_idc");
sps.constraint_set_0_flag = reader
.readBool("SPS: constraint_set_0_flag");
sps.constraint_set_1_flag = reader
.readBool("SPS: constraint_set_1_flag");
sps.constraint_set_2_flag = reader
.readBool("SPS: constraint_set_2_flag");
sps.constraint_set_3_flag = reader
.readBool("SPS: constraint_set_3_flag");
reader.readNBit(4, "SPS: reserved_zero_4bits");
sps.level_idc = (int) reader.readNBit(8, "SPS: level_idc");
sps.seq_parameter_set_id = reader.readUE("SPS: seq_parameter_set_id");
if (sps.profile_idc == 100 || sps.profile_idc == 110
|| sps.profile_idc == 122 || sps.profile_idc == 144) {
sps.chroma_format_idc = ChromaFormat.fromId(reader
.readUE("SPS: chroma_format_idc"));
if (sps.chroma_format_idc == ChromaFormat.YUV_444) {
sps.residual_color_transform_flag = reader
.readBool("SPS: residual_color_transform_flag");
}
sps.bit_depth_luma_minus8 = reader
.readUE("SPS: bit_depth_luma_minus8");
sps.bit_depth_chroma_minus8 = reader
.readUE("SPS: bit_depth_chroma_minus8");
sps.qpprime_y_zero_transform_bypass_flag = reader
.readBool("SPS: qpprime_y_zero_transform_bypass_flag");
boolean seqScalingMatrixPresent = reader
.readBool("SPS: seq_scaling_matrix_present_lag");
if (seqScalingMatrixPresent) {
readScalingListMatrix(reader, sps);
}
} else {
sps.chroma_format_idc = ChromaFormat.YUV_420;
}
sps.log2_max_frame_num_minus4 = reader
.readUE("SPS: log2_max_frame_num_minus4");
sps.pic_order_cnt_type = reader.readUE("SPS: pic_order_cnt_type");
if (sps.pic_order_cnt_type == 0) {
sps.log2_max_pic_order_cnt_lsb_minus4 = reader
.readUE("SPS: log2_max_pic_order_cnt_lsb_minus4");
} else if (sps.pic_order_cnt_type == 1) {
sps.delta_pic_order_always_zero_flag = reader
.readBool("SPS: delta_pic_order_always_zero_flag");
sps.offset_for_non_ref_pic = reader
.readSE("SPS: offset_for_non_ref_pic");
sps.offset_for_top_to_bottom_field = reader
.readSE("SPS: offset_for_top_to_bottom_field");
sps.num_ref_frames_in_pic_order_cnt_cycle = reader
.readUE("SPS: num_ref_frames_in_pic_order_cnt_cycle");
sps.offsetForRefFrame = new int[sps.num_ref_frames_in_pic_order_cnt_cycle];
for (int i = 0; i < sps.num_ref_frames_in_pic_order_cnt_cycle; i++) {
sps.offsetForRefFrame[i] = reader
.readSE("SPS: offsetForRefFrame [" + i + "]");
}
}
sps.num_ref_frames = reader.readUE("SPS: num_ref_frames");
sps.gaps_in_frame_num_value_allowed_flag = reader
.readBool("SPS: gaps_in_frame_num_value_allowed_flag");
sps.pic_width_in_mbs_minus1 = reader
.readUE("SPS: pic_width_in_mbs_minus1");
sps.pic_height_in_map_units_minus1 = reader
.readUE("SPS: pic_height_in_map_units_minus1");
sps.frame_mbs_only_flag = reader.readBool("SPS: frame_mbs_only_flag");
if (!sps.frame_mbs_only_flag) {
sps.mb_adaptive_frame_field_flag = reader
.readBool("SPS: mb_adaptive_frame_field_flag");
}
sps.direct_8x8_inference_flag = reader
.readBool("SPS: direct_8x8_inference_flag");
sps.frame_cropping_flag = reader.readBool("SPS: frame_cropping_flag");
if (sps.frame_cropping_flag) {
sps.frame_crop_left_offset = reader
.readUE("SPS: frame_crop_left_offset");
sps.frame_crop_right_offset = reader
.readUE("SPS: frame_crop_right_offset");
sps.frame_crop_top_offset = reader
.readUE("SPS: frame_crop_top_offset");
sps.frame_crop_bottom_offset = reader
.readUE("SPS: frame_crop_bottom_offset");
}
boolean vui_parameters_present_flag = reader
.readBool("SPS: vui_parameters_present_flag");
if (vui_parameters_present_flag)
sps.vuiParams = ReadVUIParameters(reader);
reader.readTrailingBits();
return sps;
| | private static HRDParameters | readHRDParameters(com.googlecode.mp4parser.h264.read.CAVLCReader reader)
HRDParameters hrd = new HRDParameters();
hrd.cpb_cnt_minus1 = reader.readUE("SPS: cpb_cnt_minus1");
hrd.bit_rate_scale = (int) reader.readNBit(4, "HRD: bit_rate_scale");
hrd.cpb_size_scale = (int) reader.readNBit(4, "HRD: cpb_size_scale");
hrd.bit_rate_value_minus1 = new int[hrd.cpb_cnt_minus1 + 1];
hrd.cpb_size_value_minus1 = new int[hrd.cpb_cnt_minus1 + 1];
hrd.cbr_flag = new boolean[hrd.cpb_cnt_minus1 + 1];
for (int SchedSelIdx = 0; SchedSelIdx <= hrd.cpb_cnt_minus1; SchedSelIdx++) {
hrd.bit_rate_value_minus1[SchedSelIdx] = reader
.readUE("HRD: bit_rate_value_minus1");
hrd.cpb_size_value_minus1[SchedSelIdx] = reader
.readUE("HRD: cpb_size_value_minus1");
hrd.cbr_flag[SchedSelIdx] = reader.readBool("HRD: cbr_flag");
}
hrd.initial_cpb_removal_delay_length_minus1 = (int) reader.readNBit(5,
"HRD: initial_cpb_removal_delay_length_minus1");
hrd.cpb_removal_delay_length_minus1 = (int) reader.readNBit(5,
"HRD: cpb_removal_delay_length_minus1");
hrd.dpb_output_delay_length_minus1 = (int) reader.readNBit(5,
"HRD: dpb_output_delay_length_minus1");
hrd.time_offset_length = (int) reader.readNBit(5,
"HRD: time_offset_length");
return hrd;
| | private static void | readScalingListMatrix(com.googlecode.mp4parser.h264.read.CAVLCReader reader, com.googlecode.mp4parser.h264.model.SeqParameterSet sps)
sps.scalingMatrix = new ScalingMatrix();
for (int i = 0; i < 8; i++) {
boolean seqScalingListPresentFlag = reader
.readBool("SPS: seqScalingListPresentFlag");
if (seqScalingListPresentFlag) {
sps.scalingMatrix.ScalingList4x4 = new ScalingList[8];
sps.scalingMatrix.ScalingList8x8 = new ScalingList[8];
if (i < 6) {
sps.scalingMatrix.ScalingList4x4[i] = ScalingList.read(
reader, 16);
} else {
sps.scalingMatrix.ScalingList8x8[i - 6] = ScalingList.read(
reader, 64);
}
}
}
| | public java.lang.String | toString()
return "SeqParameterSet{ " +
"\n pic_order_cnt_type=" + pic_order_cnt_type +
", \n field_pic_flag=" + field_pic_flag +
", \n delta_pic_order_always_zero_flag=" + delta_pic_order_always_zero_flag +
", \n weighted_pred_flag=" + weighted_pred_flag +
", \n weighted_bipred_idc=" + weighted_bipred_idc +
", \n entropy_coding_mode_flag=" + entropy_coding_mode_flag +
", \n mb_adaptive_frame_field_flag=" + mb_adaptive_frame_field_flag +
", \n direct_8x8_inference_flag=" + direct_8x8_inference_flag +
", \n chroma_format_idc=" + chroma_format_idc +
", \n log2_max_frame_num_minus4=" + log2_max_frame_num_minus4 +
", \n log2_max_pic_order_cnt_lsb_minus4=" + log2_max_pic_order_cnt_lsb_minus4 +
", \n pic_height_in_map_units_minus1=" + pic_height_in_map_units_minus1 +
", \n pic_width_in_mbs_minus1=" + pic_width_in_mbs_minus1 +
", \n bit_depth_luma_minus8=" + bit_depth_luma_minus8 +
", \n bit_depth_chroma_minus8=" + bit_depth_chroma_minus8 +
", \n qpprime_y_zero_transform_bypass_flag=" + qpprime_y_zero_transform_bypass_flag +
", \n profile_idc=" + profile_idc +
", \n constraint_set_0_flag=" + constraint_set_0_flag +
", \n constraint_set_1_flag=" + constraint_set_1_flag +
", \n constraint_set_2_flag=" + constraint_set_2_flag +
", \n constraint_set_3_flag=" + constraint_set_3_flag +
", \n level_idc=" + level_idc +
", \n seq_parameter_set_id=" + seq_parameter_set_id +
", \n residual_color_transform_flag=" + residual_color_transform_flag +
", \n offset_for_non_ref_pic=" + offset_for_non_ref_pic +
", \n offset_for_top_to_bottom_field=" + offset_for_top_to_bottom_field +
", \n num_ref_frames=" + num_ref_frames +
", \n gaps_in_frame_num_value_allowed_flag=" + gaps_in_frame_num_value_allowed_flag +
", \n frame_mbs_only_flag=" + frame_mbs_only_flag +
", \n frame_cropping_flag=" + frame_cropping_flag +
", \n frame_crop_left_offset=" + frame_crop_left_offset +
", \n frame_crop_right_offset=" + frame_crop_right_offset +
", \n frame_crop_top_offset=" + frame_crop_top_offset +
", \n frame_crop_bottom_offset=" + frame_crop_bottom_offset +
", \n offsetForRefFrame=" + offsetForRefFrame +
", \n vuiParams=" + vuiParams +
", \n scalingMatrix=" + scalingMatrix +
", \n num_ref_frames_in_pic_order_cnt_cycle=" + num_ref_frames_in_pic_order_cnt_cycle +
'}";
| | public void | write(java.io.OutputStream out)
CAVLCWriter writer = new CAVLCWriter(out);
writer.writeNBit(profile_idc, 8, "SPS: profile_idc");
writer.writeBool(constraint_set_0_flag, "SPS: constraint_set_0_flag");
writer.writeBool(constraint_set_1_flag, "SPS: constraint_set_1_flag");
writer.writeBool(constraint_set_2_flag, "SPS: constraint_set_2_flag");
writer.writeBool(constraint_set_3_flag, "SPS: constraint_set_3_flag");
writer.writeNBit(0, 4, "SPS: reserved");
writer.writeNBit(level_idc, 8, "SPS: level_idc");
writer.writeUE(seq_parameter_set_id, "SPS: seq_parameter_set_id");
if (profile_idc == 100 || profile_idc == 110 || profile_idc == 122
|| profile_idc == 144) {
writer.writeUE(chroma_format_idc.getId(), "SPS: chroma_format_idc");
if (chroma_format_idc == ChromaFormat.YUV_444) {
writer.writeBool(residual_color_transform_flag,
"SPS: residual_color_transform_flag");
}
writer.writeUE(bit_depth_luma_minus8, "SPS: ");
writer.writeUE(bit_depth_chroma_minus8, "SPS: ");
writer.writeBool(qpprime_y_zero_transform_bypass_flag,
"SPS: qpprime_y_zero_transform_bypass_flag");
writer.writeBool(scalingMatrix != null, "SPS: ");
if (scalingMatrix != null) {
for (int i = 0; i < 8; i++) {
if (i < 6) {
writer.writeBool(
scalingMatrix.ScalingList4x4[i] != null,
"SPS: ");
if (scalingMatrix.ScalingList4x4[i] != null) {
scalingMatrix.ScalingList4x4[i].write(writer);
}
} else {
writer.writeBool(
scalingMatrix.ScalingList8x8[i - 6] != null,
"SPS: ");
if (scalingMatrix.ScalingList8x8[i - 6] != null) {
scalingMatrix.ScalingList8x8[i - 6].write(writer);
}
}
}
}
}
writer.writeUE(log2_max_frame_num_minus4,
"SPS: log2_max_frame_num_minus4");
writer.writeUE(pic_order_cnt_type, "SPS: pic_order_cnt_type");
if (pic_order_cnt_type == 0) {
writer.writeUE(log2_max_pic_order_cnt_lsb_minus4,
"SPS: log2_max_pic_order_cnt_lsb_minus4");
} else if (pic_order_cnt_type == 1) {
writer.writeBool(delta_pic_order_always_zero_flag,
"SPS: delta_pic_order_always_zero_flag");
writer.writeSE(offset_for_non_ref_pic,
"SPS: offset_for_non_ref_pic");
writer.writeSE(offset_for_top_to_bottom_field,
"SPS: offset_for_top_to_bottom_field");
writer.writeUE(offsetForRefFrame.length, "SPS: ");
for (int i = 0; i < offsetForRefFrame.length; i++)
writer.writeSE(offsetForRefFrame[i], "SPS: ");
}
writer.writeUE(num_ref_frames, "SPS: num_ref_frames");
writer.writeBool(gaps_in_frame_num_value_allowed_flag,
"SPS: gaps_in_frame_num_value_allowed_flag");
writer.writeUE(pic_width_in_mbs_minus1, "SPS: pic_width_in_mbs_minus1");
writer.writeUE(pic_height_in_map_units_minus1,
"SPS: pic_height_in_map_units_minus1");
writer.writeBool(frame_mbs_only_flag, "SPS: frame_mbs_only_flag");
if (!frame_mbs_only_flag) {
writer.writeBool(mb_adaptive_frame_field_flag,
"SPS: mb_adaptive_frame_field_flag");
}
writer.writeBool(direct_8x8_inference_flag,
"SPS: direct_8x8_inference_flag");
writer.writeBool(frame_cropping_flag, "SPS: frame_cropping_flag");
if (frame_cropping_flag) {
writer.writeUE(frame_crop_left_offset,
"SPS: frame_crop_left_offset");
writer.writeUE(frame_crop_right_offset,
"SPS: frame_crop_right_offset");
writer.writeUE(frame_crop_top_offset, "SPS: frame_crop_top_offset");
writer.writeUE(frame_crop_bottom_offset,
"SPS: frame_crop_bottom_offset");
}
writer.writeBool(vuiParams != null, "SPS: ");
if (vuiParams != null)
writeVUIParameters(vuiParams, writer);
writer.writeTrailingBits();
| | private void | writeHRDParameters(HRDParameters hrd, com.googlecode.mp4parser.h264.write.CAVLCWriter writer)
writer.writeUE(hrd.cpb_cnt_minus1, "HRD: cpb_cnt_minus1");
writer.writeNBit(hrd.bit_rate_scale, 4, "HRD: bit_rate_scale");
writer.writeNBit(hrd.cpb_size_scale, 4, "HRD: cpb_size_scale");
for (int SchedSelIdx = 0; SchedSelIdx <= hrd.cpb_cnt_minus1; SchedSelIdx++) {
writer.writeUE(hrd.bit_rate_value_minus1[SchedSelIdx], "HRD: ");
writer.writeUE(hrd.cpb_size_value_minus1[SchedSelIdx], "HRD: ");
writer.writeBool(hrd.cbr_flag[SchedSelIdx], "HRD: ");
}
writer.writeNBit(hrd.initial_cpb_removal_delay_length_minus1, 5,
"HRD: initial_cpb_removal_delay_length_minus1");
writer.writeNBit(hrd.cpb_removal_delay_length_minus1, 5,
"HRD: cpb_removal_delay_length_minus1");
writer.writeNBit(hrd.dpb_output_delay_length_minus1, 5,
"HRD: dpb_output_delay_length_minus1");
writer.writeNBit(hrd.time_offset_length, 5, "HRD: time_offset_length");
| | private void | writeVUIParameters(VUIParameters vuip, com.googlecode.mp4parser.h264.write.CAVLCWriter writer)
writer.writeBool(vuip.aspect_ratio_info_present_flag,
"VUI: aspect_ratio_info_present_flag");
if (vuip.aspect_ratio_info_present_flag) {
writer.writeNBit(vuip.aspect_ratio.getValue(), 8,
"VUI: aspect_ratio");
if (vuip.aspect_ratio == AspectRatio.Extended_SAR) {
writer.writeNBit(vuip.sar_width, 16, "VUI: sar_width");
writer.writeNBit(vuip.sar_height, 16, "VUI: sar_height");
}
}
writer.writeBool(vuip.overscan_info_present_flag,
"VUI: overscan_info_present_flag");
if (vuip.overscan_info_present_flag) {
writer.writeBool(vuip.overscan_appropriate_flag,
"VUI: overscan_appropriate_flag");
}
writer.writeBool(vuip.video_signal_type_present_flag,
"VUI: video_signal_type_present_flag");
if (vuip.video_signal_type_present_flag) {
writer.writeNBit(vuip.video_format, 3, "VUI: video_format");
writer.writeBool(vuip.video_full_range_flag,
"VUI: video_full_range_flag");
writer.writeBool(vuip.colour_description_present_flag,
"VUI: colour_description_present_flag");
if (vuip.colour_description_present_flag) {
writer.writeNBit(vuip.colour_primaries, 8,
"VUI: colour_primaries");
writer.writeNBit(vuip.transfer_characteristics, 8,
"VUI: transfer_characteristics");
writer.writeNBit(vuip.matrix_coefficients, 8,
"VUI: matrix_coefficients");
}
}
writer.writeBool(vuip.chroma_loc_info_present_flag,
"VUI: chroma_loc_info_present_flag");
if (vuip.chroma_loc_info_present_flag) {
writer.writeUE(vuip.chroma_sample_loc_type_top_field,
"VUI: chroma_sample_loc_type_top_field");
writer.writeUE(vuip.chroma_sample_loc_type_bottom_field,
"VUI: chroma_sample_loc_type_bottom_field");
}
writer.writeBool(vuip.timing_info_present_flag,
"VUI: timing_info_present_flag");
if (vuip.timing_info_present_flag) {
writer.writeNBit(vuip.num_units_in_tick, 32,
"VUI: num_units_in_tick");
writer.writeNBit(vuip.time_scale, 32, "VUI: time_scale");
writer.writeBool(vuip.fixed_frame_rate_flag,
"VUI: fixed_frame_rate_flag");
}
writer.writeBool(vuip.nalHRDParams != null, "VUI: ");
if (vuip.nalHRDParams != null) {
writeHRDParameters(vuip.nalHRDParams, writer);
}
writer.writeBool(vuip.vclHRDParams != null, "VUI: ");
if (vuip.vclHRDParams != null) {
writeHRDParameters(vuip.vclHRDParams, writer);
}
if (vuip.nalHRDParams != null || vuip.vclHRDParams != null) {
writer
.writeBool(vuip.low_delay_hrd_flag,
"VUI: low_delay_hrd_flag");
}
writer.writeBool(vuip.pic_struct_present_flag,
"VUI: pic_struct_present_flag");
writer.writeBool(vuip.bitstreamRestriction != null, "VUI: ");
if (vuip.bitstreamRestriction != null) {
writer
.writeBool(
vuip.bitstreamRestriction.motion_vectors_over_pic_boundaries_flag,
"VUI: motion_vectors_over_pic_boundaries_flag");
writer.writeUE(vuip.bitstreamRestriction.max_bytes_per_pic_denom,
"VUI: max_bytes_per_pic_denom");
writer.writeUE(vuip.bitstreamRestriction.max_bits_per_mb_denom,
"VUI: max_bits_per_mb_denom");
writer.writeUE(
vuip.bitstreamRestriction.log2_max_mv_length_horizontal,
"VUI: log2_max_mv_length_horizontal");
writer.writeUE(
vuip.bitstreamRestriction.log2_max_mv_length_vertical,
"VUI: log2_max_mv_length_vertical");
writer.writeUE(vuip.bitstreamRestriction.num_reorder_frames,
"VUI: num_reorder_frames");
writer.writeUE(vuip.bitstreamRestriction.max_dec_frame_buffering,
"VUI: max_dec_frame_buffering");
}
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