private void ReadUserDataUnregistered(H264Bitstream r, uint length)
{
byte[] b = new byte[16];
for (int index = 0; index < b.Length; ++index)
{
b[index] = (byte)r.ReadBits(8);
}
Guid guid = new Guid(b);
}
internal void ParseAud(IList <byte> buffer)
{
using (H264Bitstream h264Bitstream = new H264Bitstream((IEnumerable <byte>)buffer))
{
h264Bitstream.ReadBits(1);
h264Bitstream.ReadBits(2);
h264Bitstream.ReadBits(5);
h264Bitstream.ReadBits(3);
}
}
internal void ParseSei(ICollection <byte> buffer)
{
using (H264Bitstream r = new H264Bitstream((IEnumerable <byte>)buffer))
{
r.ReadBits(1);
r.ReadBits(2);
r.ReadBits(5);
this._h264Reader.ReadSei(r, buffer);
}
this.CheckConfigure();
}
public void ParsePpsBytes(ICollection <byte> value)
{
if (EnumerableExtensions.SequencesAreEquivalent <byte>((IEnumerable <byte>)value, this._ppsBytes))
{
return;
}
this._ppsBytes = (IEnumerable <byte>)Enumerable.ToArray <byte>((IEnumerable <byte>)value);
using (H264Bitstream r = new H264Bitstream(this._ppsBytes))
this._h264Reader.ReadPps(r);
this.CheckConfigure();
}
internal void ParseSliceHeader(IList <byte> buffer)
{
using (H264Bitstream r = new H264Bitstream((IEnumerable <byte>)buffer))
{
r.ReadBits(1);
r.ReadBits(2);
uint num = r.ReadBits(5);
this._h264Reader.ReadSliceHeader(r, 5 == (int)num);
}
this._h264Reader.TryReparseTimingSei(this);
this.CheckConfigure();
}
private void ParseScalingList(H264Bitstream r, int sizeOfScalingList)
{
int num1 = 8;
int num2 = 8;
for (int index = 0; index < sizeOfScalingList; ++index)
{
if (0 != num2)
{
int num3 = H264BitstreamExtensions.ReadSe(r);
num2 = num1 + num3 + 256 & (int)byte.MaxValue;
bool flag = index == 0 && 0 == num2;
}
num1 = num2 == 0 ? num1 : num2;
}
}
private void ReadScalingList(H264Bitstream r, int sizeOfScalingList)
{
int num1 = 8;
int num2 = 8;
for (int index = 0; index < sizeOfScalingList; ++index)
{
if (num2 != 0)
{
int num3 = H264BitstreamExtensions.ReadSe(r);
num2 = (num1 + num3 + 256) % 256;
bool flag = index == 0 && num2 == 0;
}
num1 = num2 == 0 ? num1 : num2;
}
}
private void ReadHrdParameters(H264Bitstream r)
{
uint num = H264BitstreamExtensions.ReadUe(r);
r.ReadBits(4);
r.ReadBits(4);
for (int index = 0; (long)index <= (long)num; ++index)
{
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
r.ReadBits(1);
}
r.ReadBits(5);
this._cpbRemovalDelayLengthMinus1 = new uint?(r.ReadBits(5));
this._dpbOutputDelayLengthMinus1 = new uint?(r.ReadBits(5));
this._timeOffsetLength = new uint?(r.ReadBits(5));
}
public void ReadSei(H264Bitstream r, ICollection <byte> buffer)
{
uint num = H264BitstreamExtensions.ReadFfSum(r);
uint length = H264BitstreamExtensions.ReadFfSum(r);
if ((int)num != 1)
{
return;
}
if (this._slicePicParameterSetId.HasValue)
{
this.ReadPicTiming(r, length);
}
else
{
if (EnumerableExtensions.SequencesAreEquivalent <byte>((IEnumerable <byte>)buffer, (IEnumerable <byte>) this._timingBytes))
{
return;
}
this._timingBytes = (ICollection <byte>)Enumerable.ToArray <byte>((IEnumerable <byte>)buffer);
}
}
void ReadScalingList(H264Bitstream r, int sizeOfScalingList)
{
var lastScale = 8;
var nextScale = 8;
for (var j = 0; j < sizeOfScalingList; j++)
{
if (nextScale != 0)
{
var delta_scale = r.ReadSe();
nextScale = (lastScale + delta_scale + 256) % 256;
var useDefaultScalingMatrixFlag = (j == 0 && nextScale == 0);
}
var scalingList_j = (nextScale == 0) ? lastScale : nextScale;
lastScale = scalingList_j;
}
}
void ReadHrdParameters(H264Bitstream r)
{
var cpb_cnt_minus1 = r.ReadUe();
var bit_rate_scale = r.ReadBits(4);
var cpb_size_scale = r.ReadBits(4);
for (var SchedSelIdx = 0; SchedSelIdx <= cpb_cnt_minus1; SchedSelIdx++)
{
var bit_rate_value_minus1_SchedSelIdx = r.ReadUe();
var cpb_size_value_minus1_SchedSelIdx = r.ReadUe();
var cbr_flag_SchedSelIdx = r.ReadBits(1);
}
var initial_cpb_removal_delay_length_minus1 = r.ReadBits(5);
var cpb_removal_delay_length_minus1 = r.ReadBits(5);
_cpbRemovalDelayLengthMinus1 = cpb_removal_delay_length_minus1;
var dpb_output_delay_length_minus1 = r.ReadBits(5);
_dpbOutputDelayLengthMinus1 = dpb_output_delay_length_minus1;
var time_offset_length = r.ReadBits(5);
_timeOffsetLength = time_offset_length;
}
// ReSharper disable InconsistentNaming
// ReSharper disable UnusedVariable
void ReadVuiParameters(H264Bitstream r)
{
var aspect_ratio_info_present_flag = r.ReadBits(1);
if (0 != aspect_ratio_info_present_flag)
{
var aspect_ratio_idc = r.ReadBits(8);
const int Extended_SAR = 255;
if (Extended_SAR == aspect_ratio_idc)
{
var sar_width = r.ReadBits(16);
var sar_height = r.ReadBits(16);
}
}
var overscan_info_present_flag = r.ReadBits(1);
if (0 != overscan_info_present_flag)
{
var overscan_appropriate_flag = r.ReadBits(1);
}
var video_signal_type_present_flag = r.ReadBits(1);
if (0 != video_signal_type_present_flag)
{
var video_format = r.ReadBits(3);
var video_full_range_flag = r.ReadBits(1);
var colour_description_present_flag = r.ReadBits(1);
if (0 != colour_description_present_flag)
{
var colour_primaries = r.ReadBits(8);
var transfer_characteristics = r.ReadBits(8);
var matrix_coefficients = r.ReadBits(8);
}
}
var chroma_loc_info_present_flag = r.ReadBits(1);
if (0 != chroma_loc_info_present_flag)
{
var chroma_sample_loc_type_top_field = r.ReadUe();
var chroma_sample_loc_type_bottom_field = r.ReadUe();
}
var timing_info_present_flag = r.ReadBits(1);
if (0 != timing_info_present_flag)
{
var num_units_in_tick = r.ReadBits(32);
_numUnitsInTick = num_units_in_tick;
var time_scale = r.ReadBits(32);
_timeScale = time_scale;
var fixed_frame_rate_flag = r.ReadBits(1);
_fixedFrameRateFlag = 0 != fixed_frame_rate_flag;
}
var nal_hrd_parameters_present_flag = r.ReadBits(1);
_nalHrdParametersPresentFlag = 0 != nal_hrd_parameters_present_flag;
if (0 != nal_hrd_parameters_present_flag)
ReadHrdParameters(r);
var vcl_hrd_parameters_present_flag = r.ReadBits(1);
_vclHrdParametersPresentFlag = 0 != vcl_hrd_parameters_present_flag;
if (0 != vcl_hrd_parameters_present_flag)
ReadHrdParameters(r);
if (0 != nal_hrd_parameters_present_flag || 0 != vcl_hrd_parameters_present_flag)
{
var low_delay_hrd_flag = r.ReadBits(1);
}
var pic_struct_present_flag = r.ReadBits(1);
_picStructPresentFlag = 0 != pic_struct_present_flag;
var bitstream_restriction_flag = r.ReadBits(1);
if (0 != bitstream_restriction_flag)
{
var motion_vectors_over_pic_boundaries_flag = r.ReadBits(1);
var max_bytes_per_pic_denom = r.ReadUe();
var max_bits_per_mb_denom = r.ReadUe();
var log2_max_mv_length_horizontal = r.ReadUe();
var log2_max_mv_length_vertical = r.ReadUe();
var max_num_reorder_frames = r.ReadUe();
var max_dec_frame_buffering = r.ReadUe();
}
}
public void ReadPps(H264Bitstream r)
{
_slicePicParameterSetId = null;
var forbidden_zero_bit = r.ReadBits(1);
var nal_ref_idc = r.ReadBits(2);
var nal_unit_type = r.ReadBits(5);
var pic_parameter_set_id = r.ReadUe();
_picParameterSetId = pic_parameter_set_id;
var seq_parameter_set_id = r.ReadUe();
_ppsSeqParameterSetId = seq_parameter_set_id;
var entropy_coding_mode_flag = r.ReadBits(1);
var bottom_field_pic_order_in_frame_present_flag = r.ReadBits(1);
_bottomFieldPicOrderInFramePresentFlag = bottom_field_pic_order_in_frame_present_flag;
var num_slice_groups_minus1 = r.ReadUe();
if (num_slice_groups_minus1 > 0)
{
var slice_group_map_type = r.ReadUe();
if (0 == slice_group_map_type)
{
for (var iGroup = 0; iGroup <= num_slice_groups_minus1; iGroup++)
{
var run_length_minus1_iGroup = r.ReadUe();
}
}
else if (2 == slice_group_map_type)
{
for (var iGroup = 0; iGroup < num_slice_groups_minus1; iGroup++)
{
var top_left_iGroup = r.ReadUe();
var bottom_right_iGroup = r.ReadUe();
}
}
else if (3 == slice_group_map_type || 4 == slice_group_map_type || 5 == slice_group_map_type)
{
var slice_group_change_direction_flag = r.ReadBits(1);
var slice_group_change_rate_minus1 = r.ReadUe();
}
else if (6 == slice_group_map_type)
{
var nsgBits = GetBitSize(num_slice_groups_minus1);
var pic_size_in_map_units_minus1 = r.ReadUe();
for (var i = 0; i <= pic_size_in_map_units_minus1; i++)
{
var slice_group_id_i = r.ReadBits(nsgBits);
}
}
}
var num_ref_idx_l0_default_active_minus1 = r.ReadUe();
var num_ref_idx_l1_default_active_minus1 = r.ReadUe();
var weighted_pred_flag = r.ReadBits(1);
var weighted_bipred_idc = r.ReadBits(2);
var pic_init_qp_minus26 /* relative to 26 */ = r.ReadSe();
var pic_init_qs_minus26 /* relative to 26 */ = r.ReadSe();
var chroma_qp_index_offset = r.ReadSe();
var deblocking_filter_control_present_flag = r.ReadBits(1);
var constrained_intra_pred_flag = r.ReadBits(1);
var redundant_pic_cnt_present_flag = r.ReadBits(1);
_redundantPicCntPresentFlag = redundant_pic_cnt_present_flag;
if (more_rbsp_data(r))
{
var transform_8x8_mode_flag = r.ReadBits(1);
var pic_scaling_matrix_present_flag = r.ReadBits(1);
if (0 != pic_scaling_matrix_present_flag)
{
for (var i = 0; i < 6 + ((_chromaFormatIdc != 3) ? 2 : 6) * transform_8x8_mode_flag; i++)
{
var pic_scaling_list_present_flag_i = r.ReadBits(1);
if (0 != pic_scaling_list_present_flag_i)
{
if (i < 6)
{
ReadScalingList(r, 16);
//scaling_list(ScalingList4x4[i], 16, UseDefaultScalingMatrix4x4Flag[i]);
}
else
{
ReadScalingList(r, 64);
//scaling_list(ScalingList8x8[i - 6], 64, UseDefaultScalingMatrix8x8Flag[i - 6]);
}
}
}
}
var second_chroma_qp_index_offset = r.ReadSe();
}
}
public void ReadSps(H264Bitstream r)
{
_ppsSeqParameterSetId = null;
uint profile_idc;
uint constraint_sets;
uint level_idc;
uint width;
uint height;
var forbidden_zero_bit = r.ReadBits(1);
var nal_ref_idc = r.ReadBits(2);
var nal_unit_type = r.ReadBits(5);
profile_idc = r.ReadBits(8);
constraint_sets = r.ReadBits(8);
level_idc = r.ReadBits(8);
var seq_parameter_set_id = r.ReadUe();
_seqParameterSetId = seq_parameter_set_id;
if (Array.BinarySearch(ProfileIdcHasChromaFormat, profile_idc) >= 0)
{
var chroma_format_idc = r.ReadUe();
_chromaFormatIdc = chroma_format_idc;
if (3 == chroma_format_idc)
{
var separate_colour_plane_flag = r.ReadBits(1);
_separateColourPlaneFlag = separate_colour_plane_flag;
}
var bit_depth_luma_minus8 = r.ReadUe();
var bit_depth_chroma_minus8 = r.ReadUe();
var qpprime_y_zero_transform_bypass_flag = r.ReadBits(1);
var seq_scaling_matrix_present_flag = r.ReadBits(1);
if (0 != seq_scaling_matrix_present_flag)
{
for (var i = 0; i < (3 != chroma_format_idc ? 8 : 12); ++i)
{
var seq_scaling_list_present_flag = r.ReadBits(1);
if (0 != seq_scaling_list_present_flag)
ParseScalingList(r, i < 6 ? 16 : 64);
}
}
}
var log2_max_frame_num_minus4 = r.ReadUe();
_log2MaxFrameNumMinus4 = log2_max_frame_num_minus4;
var pic_order_cnt_type = r.ReadUe();
_picOrderCntType = pic_order_cnt_type;
if (0 == pic_order_cnt_type)
{
var log2_max_pic_order_cnt_lsb_minus4 = r.ReadUe();
}
else if (1 == pic_order_cnt_type)
{
var delta_pic_order_always_zero_flag = r.ReadBits(1);
_deltaPicOrderAlwaysZeroFlag = delta_pic_order_always_zero_flag;
var offset_for_non_ref_pic = r.ReadSe();
var offset_for_top_to_bottom_field = r.ReadSe();
var num_ref_frames_in_pic_order_cnt_cycle = r.ReadUe();
for (var i = 0; i < num_ref_frames_in_pic_order_cnt_cycle; ++i)
{
var offset_for_ref_frame = r.ReadSe();
}
}
var max_num_ref_frames = r.ReadUe();
var gaps_in_frame_num_value_allowed_flag = r.ReadBits(1);
var pic_width_in_mbs_minus1 = r.ReadUe();
var pic_height_in_map_units_minus1 = r.ReadUe();
var frame_mbs_only_flag = r.ReadBits(1);
_frameMbsOnlyFlag = frame_mbs_only_flag;
if (0 == frame_mbs_only_flag)
{
var mb_adaptive_frame_field_flag = r.ReadBits(1);
}
var direct_8x8_inference_flag = r.ReadBits(1);
var frame_cropping_flag = r.ReadBits(1);
width = ((pic_width_in_mbs_minus1 + 1) * 16);
height = ((2 - frame_mbs_only_flag) * (pic_height_in_map_units_minus1 + 1) * 16);
if (0 != frame_cropping_flag)
{
var frame_crop_left_offset = r.ReadUe();
var frame_crop_right_offset = r.ReadUe();
var frame_crop_top_offset = r.ReadUe();
var frame_crop_bottom_offset = r.ReadUe();
width = width - frame_crop_left_offset * 2 - frame_crop_right_offset * 2;
height = height - (frame_crop_top_offset * 2) - (frame_crop_bottom_offset * 2);
}
var vui_parameters_present_flag = r.ReadBits(1);
if (0 != vui_parameters_present_flag)
{
ReadVuiParameters(r);
}
Height = (int)height;
Width = (int)width;
var profileName = ProfileName(profile_idc, constraint_sets);
Name = String.Format("H.264 \"{0}\" profile, level {1} {2}x{3}",
profileName, level_idc / 10.0, width, height);
}
public void ReadSei(H264Bitstream r, ICollection<byte> buffer)
{
var payloadType = r.ReadFfSum();
var payloadLength = r.ReadFfSum();
// Rec. ITU-T H.264 (04/2013) Section D.1
switch (payloadType)
{
case 1: // pic_timing
if (_slicePicParameterSetId.HasValue)
ReadPicTiming(r, payloadLength);
else if (!buffer.SequencesAreEquivalent(_timingBytes))
_timingBytes = buffer.ToArray();
break;
#if false
case 5: // user_data_unregistered
ReadUserDataUnregistered(r, payloadLength);
break;
#endif
}
}
private void ReadVuiParameters(H264Bitstream r)
{
if (0 != (int)r.ReadBits(1) && (int)byte.MaxValue == (int)r.ReadBits(8))
{
r.ReadBits(16);
r.ReadBits(16);
}
if (0 != (int)r.ReadBits(1))
{
r.ReadBits(1);
}
if (0 != (int)r.ReadBits(1))
{
r.ReadBits(3);
r.ReadBits(1);
if (0 != (int)r.ReadBits(1))
{
r.ReadBits(8);
r.ReadBits(8);
r.ReadBits(8);
}
}
if (0 != (int)r.ReadBits(1))
{
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
}
if (0 != (int)r.ReadBits(1))
{
this._numUnitsInTick = new uint?(r.ReadBits(32));
this._timeScale = new uint?(r.ReadBits(32));
this._fixedFrameRateFlag = new bool?(0 != (int)r.ReadBits(1));
}
uint num1 = r.ReadBits(1);
this._nalHrdParametersPresentFlag = new bool?(0 != (int)num1);
if (0 != (int)num1)
{
this.ReadHrdParameters(r);
}
uint num2 = r.ReadBits(1);
this._vclHrdParametersPresentFlag = new bool?(0 != (int)num2);
if (0 != (int)num2)
{
this.ReadHrdParameters(r);
}
if ((int)num1 != 0 || 0 != (int)num2)
{
r.ReadBits(1);
}
this._picStructPresentFlag = new bool?(0 != (int)r.ReadBits(1));
if (0 == (int)r.ReadBits(1))
{
return;
}
r.ReadBits(1);
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
}
public void ReadSliceHeader(H264Bitstream r, bool IdrPicFlag)
{
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
this._slicePicParameterSetId = new uint?(H264BitstreamExtensions.ReadUe(r));
uint?nullable = this._separateColourPlaneFlag;
if (((int)nullable.GetValueOrDefault() != 1 ? 0 : (nullable.HasValue ? 1 : 0)) != 0)
{
r.ReadBits(2);
}
H264Bitstream h264Bitstream1 = r;
nullable = this._log2MaxFrameNumMinus4;
int count1 = (nullable.HasValue ? (int)nullable.GetValueOrDefault() : 0) + 4;
h264Bitstream1.ReadBits(count1);
uint num1 = 0;
nullable = this._frameMbsOnlyFlag;
if (((int)nullable.GetValueOrDefault() != 0 ? 0 : (nullable.HasValue ? 1 : 0)) != 0)
{
num1 = r.ReadBits(1);
if (0 != (int)num1)
{
r.ReadBits(1);
}
}
this._fieldPicFlag = new bool?(0 != (int)num1);
if (!IdrPicFlag)
{
return;
}
H264BitstreamExtensions.ReadUe(r);
nullable = this._picOrderCntType;
if (((int)nullable.GetValueOrDefault() != 0 ? 0 : (nullable.HasValue ? 1 : 0)) != 0)
{
H264Bitstream h264Bitstream2 = r;
nullable = this._log2MaxFrameNumMinus4;
int count2 = (nullable.HasValue ? (int)nullable.GetValueOrDefault() : 0) + 4;
h264Bitstream2.ReadBits(count2);
nullable = this._bottomFieldPicOrderInFramePresentFlag;
if (((int)nullable.GetValueOrDefault() != 0 ? 1 : (!nullable.HasValue ? 1 : 0)) != 0 && 0 == (int)num1)
{
H264BitstreamExtensions.ReadSe(r);
}
}
nullable = this._picOrderCntType;
int num2;
if (((int)nullable.GetValueOrDefault() != 1 ? 0 : (nullable.HasValue ? 1 : 0)) != 0)
{
nullable = this._deltaPicOrderAlwaysZeroFlag;
num2 = ((int)nullable.GetValueOrDefault() != 0 ? 0 : (nullable.HasValue ? 1 : 0)) == 0 ? 1 : 0;
}
else
{
num2 = 1;
}
if (num2 == 0)
{
H264BitstreamExtensions.ReadSe(r);
nullable = this._bottomFieldPicOrderInFramePresentFlag;
if (((int)nullable.GetValueOrDefault() != 0 ? 1 : (!nullable.HasValue ? 1 : 0)) != 0 && 0 == (int)num1)
{
H264BitstreamExtensions.ReadSe(r);
}
}
nullable = this._redundantPicCntPresentFlag;
if (((int)nullable.GetValueOrDefault() != 0 ? 1 : (!nullable.HasValue ? 1 : 0)) != 0)
{
H264BitstreamExtensions.ReadUe(r);
}
}
void ParseScalingList(H264Bitstream r, int sizeOfScalingList)
{
var lastScale = 8;
var nextScale = 8;
for (var j = 0; j < sizeOfScalingList; ++j)
{
if (0 != nextScale)
{
var delta_scale = r.ReadSe();
nextScale = (lastScale + delta_scale + 256) & 0xff;
var useDefaultScalingMatrixFlag = (0 == j && 0 == nextScale);
}
var scalingList = 0 == nextScale ? lastScale : nextScale;
lastScale = scalingList;
}
}
private void ReadPicTiming(H264Bitstream r, uint length)
{
if (this._nalHrdParametersPresentFlag.HasValue && this._nalHrdParametersPresentFlag.Value || this._vclHrdParametersPresentFlag.HasValue && this._vclHrdParametersPresentFlag.Value)
{
if (!this._cpbRemovalDelayLengthMinus1.HasValue)
{
return;
}
r.ReadBits((int)this._cpbRemovalDelayLengthMinus1.Value + 1);
if (!this._dpbOutputDelayLengthMinus1.HasValue)
{
return;
}
r.ReadBits((int)this._dpbOutputDelayLengthMinus1.Value + 1);
}
if (!this._picStructPresentFlag.HasValue || !this._picStructPresentFlag.Value)
{
return;
}
this._picStruct = new uint?(r.ReadBits(4));
int?numClockTs = this.GetNumClockTs();
if (!numClockTs.HasValue)
{
return;
}
int num1 = numClockTs.Value;
for (int index = 0; index < num1; ++index)
{
if (0 != (int)r.ReadBits(1))
{
r.ReadBits(2);
r.ReadBits(1);
r.ReadBits(5);
uint num2 = r.ReadBits(1);
r.ReadBits(1);
r.ReadBits(1);
r.ReadBits(8);
uint num3;
uint num4;
uint num5;
if (0 != (int)num2)
{
num3 = r.ReadBits(6);
num4 = r.ReadBits(6);
num5 = r.ReadBits(5);
}
else if (0 != (int)r.ReadBits(1))
{
num3 = r.ReadBits(6);
if (0 != (int)r.ReadBits(1))
{
num4 = r.ReadBits(6);
if (0 != (int)r.ReadBits(1))
{
num5 = r.ReadBits(5);
}
}
}
uint?nullable = this._timeOffsetLength;
uint num6 = nullable.HasValue ? nullable.GetValueOrDefault() : 24U;
if (num6 > 0U)
{
H264BitstreamExtensions.ReadSignedBits(r, (int)num6);
}
}
}
}
public void ReadSps(H264Bitstream r)
{
this._ppsSeqParameterSetId = new uint?();
r.ReadBits(1);
r.ReadBits(2);
r.ReadBits(5);
uint profile_idc = r.ReadBits(8);
uint constraint_sets = r.ReadBits(8);
uint num1 = r.ReadBits(8);
this._seqParameterSetId = new uint?(H264BitstreamExtensions.ReadUe(r));
if (Array.BinarySearch <uint>(H264Reader.ProfileIdcHasChromaFormat, profile_idc) >= 0)
{
uint num2 = H264BitstreamExtensions.ReadUe(r);
this._chromaFormatIdc = new uint?(num2);
if (3 == (int)num2)
{
this._separateColourPlaneFlag = new uint?(r.ReadBits(1));
}
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
r.ReadBits(1);
if (0 != (int)r.ReadBits(1))
{
for (int index = 0; index < (3 != (int)num2 ? 8 : 12); ++index)
{
if (0 != (int)r.ReadBits(1))
{
this.ParseScalingList(r, index < 6 ? 16 : 64);
}
}
}
}
this._log2MaxFrameNumMinus4 = new uint?(H264BitstreamExtensions.ReadUe(r));
uint num3 = H264BitstreamExtensions.ReadUe(r);
this._picOrderCntType = new uint?(num3);
if (0 == (int)num3)
{
H264BitstreamExtensions.ReadUe(r);
}
else if (1 == (int)num3)
{
this._deltaPicOrderAlwaysZeroFlag = new uint?(r.ReadBits(1));
H264BitstreamExtensions.ReadSe(r);
H264BitstreamExtensions.ReadSe(r);
uint num2 = H264BitstreamExtensions.ReadUe(r);
for (int index = 0; (long)index < (long)num2; ++index)
{
H264BitstreamExtensions.ReadSe(r);
}
}
H264BitstreamExtensions.ReadUe(r);
r.ReadBits(1);
uint num4 = H264BitstreamExtensions.ReadUe(r);
uint num5 = H264BitstreamExtensions.ReadUe(r);
uint num6 = r.ReadBits(1);
this._frameMbsOnlyFlag = new uint?(num6);
if (0 == (int)num6)
{
r.ReadBits(1);
}
r.ReadBits(1);
uint num7 = r.ReadBits(1);
uint num8 = (uint)(((int)num4 + 1) * 16);
uint num9 = (uint)((2 - (int)num6) * ((int)num5 + 1) * 16);
if (0 != (int)num7)
{
uint num2 = H264BitstreamExtensions.ReadUe(r);
uint num10 = H264BitstreamExtensions.ReadUe(r);
uint num11 = H264BitstreamExtensions.ReadUe(r);
uint num12 = H264BitstreamExtensions.ReadUe(r);
num8 = (uint)((int)num8 - (int)num2 * 2 - (int)num10 * 2);
num9 = (uint)((int)num9 - (int)num11 * 2 - (int)num12 * 2);
}
if (0 != (int)r.ReadBits(1))
{
this.ReadVuiParameters(r);
}
this.Height = new int?((int)num9);
this.Width = new int?((int)num8);
this.Name = string.Format("H.264 \"{0}\" profile, level {1} {2}x{3}", (object)H264Reader.ProfileName(profile_idc, constraint_sets), (object)((double)num1 / 10.0), (object)num8, (object)num9);
}
void ReadUserDataUnregistered(H264Bitstream r, uint length)
{
var buffer = new byte[16];
for (var i = 0; i < buffer.Length; ++i)
buffer[i] = (byte)r.ReadBits(8);
var uuid = new Guid(buffer); // Byte order...?
}
public void ReadSliceHeader(H264Bitstream r, bool IdrPicFlag)
{
var first_mb_in_slice = r.ReadUe();
var slice_type = r.ReadUe();
var pic_parameter_set_id = r.ReadUe();
_slicePicParameterSetId = pic_parameter_set_id;
if (_separateColourPlaneFlag == 1)
{
var colour_plane_id = r.ReadBits(2);
}
var frame_num = r.ReadBits((int)(_log2MaxFrameNumMinus4 ?? 0) + 4);
uint field_pic_flag = 0;
if (0 == _frameMbsOnlyFlag)
{
field_pic_flag = r.ReadBits(1);
if (0 != field_pic_flag)
{
var bottom_field_flag = r.ReadBits(1);
}
}
_fieldPicFlag = 0 != field_pic_flag;
if (IdrPicFlag)
{
var idr_pic_id = r.ReadUe();
if (_picOrderCntType == 0)
{
var pic_order_cnt_lsb = r.ReadBits((int)(_log2MaxFrameNumMinus4 ?? 0) + 4);
if (0 != _bottomFieldPicOrderInFramePresentFlag && 0 == field_pic_flag)
{
var delta_pic_order_cnt_bottom = r.ReadSe();
}
}
if (_picOrderCntType == 1 && 0 == _deltaPicOrderAlwaysZeroFlag)
{
var delta_pic_order_cnt_0 = r.ReadSe();
if (0 != _bottomFieldPicOrderInFramePresentFlag && 0 == field_pic_flag)
{
var delta_pic_order_cnt_1 = r.ReadSe();
}
}
if (0 != _redundantPicCntPresentFlag)
{
var redundant_pic_cnt = r.ReadUe();
}
}
}
void ReadPicTiming(H264Bitstream r, uint length)
{
// Rec. ITU-T H.264 (04/2013) Section D.2.2
var CpbDpbDelaysPresentFlag = (_nalHrdParametersPresentFlag.HasValue && _nalHrdParametersPresentFlag.Value)
|| (_vclHrdParametersPresentFlag.HasValue && _vclHrdParametersPresentFlag.Value);
if (CpbDpbDelaysPresentFlag)
{
if (!_cpbRemovalDelayLengthMinus1.HasValue)
return;
var cpb_removal_delay = r.ReadBits((int)_cpbRemovalDelayLengthMinus1.Value + 1);
if (!_dpbOutputDelayLengthMinus1.HasValue)
return;
var dpb_output_delay = r.ReadBits((int)_dpbOutputDelayLengthMinus1.Value + 1);
}
if (_picStructPresentFlag.HasValue && _picStructPresentFlag.Value)
{
var pic_struct = r.ReadBits(4);
_picStruct = pic_struct;
var nct = GetNumClockTs();
if (!nct.HasValue)
return;
var NumClockTS = nct.Value;
for (var i = 0; i < NumClockTS; i++)
{
var clock_timestamp_flag_i = r.ReadBits(1);
if (0 != clock_timestamp_flag_i)
{
var ct_type = r.ReadBits(2);
var nuit_field_based_flag = r.ReadBits(1);
var counting_type = r.ReadBits(5);
var full_timestamp_flag = r.ReadBits(1);
var discontinuity_flag = r.ReadBits(1);
var cnt_dropped_flag = r.ReadBits(1);
var n_frames = r.ReadBits(8);
if (0 != full_timestamp_flag)
{
var seconds_value /* 0..59 */ = r.ReadBits(6);
var minutes_value /* 0..59 */ = r.ReadBits(6);
var hours_value /* 0..23 */ = r.ReadBits(5);
}
else
{
var seconds_flag = r.ReadBits(1);
if (0 != seconds_flag)
{
var seconds_value /* range 0..59 */ = r.ReadBits(6);
var minutes_flag = r.ReadBits(1);
if (0 != minutes_flag)
{
var minutes_value /* 0..59 */ = r.ReadBits(6);
var hours_flag = r.ReadBits(1);
if (0 != hours_flag)
{
var hours_value /* 0..23 */ = r.ReadBits(5);
}
}
}
}
var time_offset_length = _timeOffsetLength ?? 24;
if (time_offset_length > 0)
{
var time_offset = r.ReadSignedBits((int)time_offset_length);
}
}
}
}
}
public void ReadPps(H264Bitstream r)
{
this._slicePicParameterSetId = new uint?();
r.ReadBits(1);
r.ReadBits(2);
r.ReadBits(5);
this._picParameterSetId = new uint?(H264BitstreamExtensions.ReadUe(r));
this._ppsSeqParameterSetId = new uint?(H264BitstreamExtensions.ReadUe(r));
r.ReadBits(1);
this._bottomFieldPicOrderInFramePresentFlag = new uint?(r.ReadBits(1));
uint num1 = H264BitstreamExtensions.ReadUe(r);
if (num1 > 0U)
{
uint num2 = H264BitstreamExtensions.ReadUe(r);
if (0 == (int)num2)
{
for (int index = 0; (long)index <= (long)num1; ++index)
{
H264BitstreamExtensions.ReadUe(r);
}
}
else if (2 == (int)num2)
{
for (int index = 0; (long)index < (long)num1; ++index)
{
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
}
}
else if (3 == (int)num2 || 4 == (int)num2 || 5 == (int)num2)
{
r.ReadBits(1);
H264BitstreamExtensions.ReadUe(r);
}
else if (6 == (int)num2)
{
int bitSize = H264Reader.GetBitSize(num1);
uint num3 = H264BitstreamExtensions.ReadUe(r);
for (int index = 0; (long)index <= (long)num3; ++index)
{
r.ReadBits(bitSize);
}
}
}
H264BitstreamExtensions.ReadUe(r);
H264BitstreamExtensions.ReadUe(r);
r.ReadBits(1);
r.ReadBits(2);
H264BitstreamExtensions.ReadSe(r);
H264BitstreamExtensions.ReadSe(r);
H264BitstreamExtensions.ReadSe(r);
r.ReadBits(1);
r.ReadBits(1);
this._redundantPicCntPresentFlag = new uint?(r.ReadBits(1));
if (!this.more_rbsp_data(r))
{
return;
}
uint num4 = r.ReadBits(1);
if (0 != (int)r.ReadBits(1))
{
int num2 = 0;
while (true)
{
long num3 = (long)num2;
long num5 = 6;
uint?nullable = this._chromaFormatIdc;
long num6 = (((int)nullable.GetValueOrDefault() != 3 ? 1 : (!nullable.HasValue ? 1 : 0)) != 0 ? 2L : 6L) * (long)num4;
long num7 = num5 + num6;
if (num3 < num7)
{
if (0 != (int)r.ReadBits(1))
{
if (num2 < 6)
{
this.ReadScalingList(r, 16);
}
else
{
this.ReadScalingList(r, 64);
}
}
++num2;
}
else
{
break;
}
}
}
H264BitstreamExtensions.ReadSe(r);
}
bool more_rbsp_data(H264Bitstream r)
{
return r.HasData;
}
private bool more_rbsp_data(H264Bitstream r)
{
return(r.HasData);
}
