本文整理汇总了C++中CGolombBuffer::GetSize方法的典型用法代码示例。如果您正苦于以下问题：C++ CGolombBuffer::GetSize方法的具体用法？C++ CGolombBuffer::GetSize怎么用？C++ CGolombBuffer::GetSize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CGolombBuffer的用法示例。
在下文中一共展示了CGolombBuffer::GetSize方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
HRESULT CMpeg2DataParser::ParsePAT()
{
HRESULT hr;
CComPtr<ISectionList> pSectionList;
DWORD dwLength;
PSECTION data;
WORD wTSID;
WORD wSectionLength;
CheckNoLog (m_pData->GetSection (PID_PAT, SI_PAT, &m_Filter, 5000, &pSectionList));
CheckNoLog (pSectionList->GetSectionData (0, &dwLength, &data));
CGolombBuffer gb ((BYTE*)data, dwLength);
// program_association_section()
CheckNoLog (ParseSIHeader (gb, SI_PAT, wSectionLength, wTSID));
while (gb.GetSize() - gb.GetPos() > 4) {
WORD program_number = gb.BitRead(16); // program_number
gb.BitRead(3); // reserved
if (program_number==0) {
gb.BitRead(13); // network_PID
} else {
WORD program_map_PID = gb.BitRead(13); // program_map_PID
if (Channels.Lookup(program_number)) {
Channels [program_number].SetPMT (program_map_PID);
ParsePMT (Channels [program_number]);
}
}
}
return S_OK;
}示例2: descriptor
HRESULT CMpeg2DataParser::ParseSDT(ULONG ulFreq)
{
HRESULT hr;
CComPtr<ISectionList> pSectionList;
DWORD dwLength;
PSECTION data;
WORD wTSID;
WORD wONID;
WORD wSectionLength;
CheckNoLog (m_pData->GetSection (PID_SDT, SI_SDT, &m_Filter, 5000, &pSectionList));
CheckNoLog (pSectionList->GetSectionData (0, &dwLength, &data));
CGolombBuffer gb ((BYTE*)data, dwLength);
// service_description_section()
CheckNoLog (ParseSIHeader (gb, SI_SDT, wSectionLength, wTSID));
wONID = gb.BitRead(16); // original_network_id
gb.BitRead(8); // reserved_future_use
while (gb.GetSize() - gb.GetPos() > 4) {
CDVBChannel Channel;
Channel.SetFrequency (ulFreq);
Channel.SetTSID (wTSID);
Channel.SetONID (wONID);
Channel.SetSID (gb.BitRead(16)); // service_id uimsbf
gb.BitRead(6); // reserved_future_use bslbf
gb.BitRead(1); // EIT_schedule_flag bslbf
Channel.SetNowNextFlag(!!gb.BitRead(1)); // EIT_present_following_flag bslbf
gb.BitRead(3); // running_status uimsbf
Channel.SetEncrypted (!!gb.BitRead(1)); // free_CA_mode bslbf
// Descriptors:
BeginEnumDescriptors(gb, nType, nLength) {
switch (nType) {
case DT_SERVICE :
gb.BitRead(8); // service_type
nLength = gb.BitRead(8); // service_provider_name_length
gb.ReadBuffer (DescBuffer, nLength); // service_provider_name
nLength = gb.BitRead(8); // service_name_length
gb.ReadBuffer (DescBuffer, nLength); // service_name
DescBuffer[nLength] = 0;
Channel.SetName (ConvertString (DescBuffer, nLength));
TRACE ("%15S %d\n", Channel.GetName(), Channel.GetSID());
break;
default :
SkipDescriptor (gb, nType, nLength); // descriptor()
break;
}
}
EndEnumDescriptors
if (!Channels.Lookup(Channel.GetSID())) {
Channels [Channel.GetSID()] = Channel;
}
}
return S_OK;
}示例3: ParseAVCHeader
//.........这里部分代码省略.........
h.sar.num = (WORD)gb.BitRead(16); // sar_width
h.sar.den = (WORD)gb.BitRead(16); // sar_height
} else if (aspect_ratio_idc < 17) {
h.sar.num = pixel_aspect[aspect_ratio_idc][0];
h.sar.den = pixel_aspect[aspect_ratio_idc][1];
} else {
return false;
}
} else {
h.sar.num = 1;
h.sar.den = 1;
}
if (gb.BitRead(1)) { // overscan_info_present_flag
gb.BitRead(1); // overscan_appropriate_flag
}
if (gb.BitRead(1)) { // video_signal_type_present_flag
gb.BitRead(3); // video_format
gb.BitRead(1); // video_full_range_flag
if (gb.BitRead(1)) { // colour_description_present_flag
gb.BitRead(8); // colour_primaries
gb.BitRead(8); // transfer_characteristics
gb.BitRead(8); // matrix_coefficients
}
}
if (gb.BitRead(1)) { // chroma_location_info_present_flag
gb.UExpGolombRead(); // chroma_sample_loc_type_top_field
gb.UExpGolombRead(); // chroma_sample_loc_type_bottom_field
}
if (gb.BitRead(1)) { // timing_info_present_flag
__int64 num_units_in_tick = gb.BitRead(32);
__int64 time_scale = gb.BitRead(32);
/*long fixed_frame_rate_flag = */gb.BitRead(1);
// Trick for weird parameters
if ((num_units_in_tick < 1000) || (num_units_in_tick > 1001)) {
if ((time_scale % num_units_in_tick != 0) && ((time_scale*1001) % num_units_in_tick == 0)) {
time_scale = (time_scale * 1001) / num_units_in_tick;
num_units_in_tick = 1001;
} else {
time_scale = (time_scale * 1000) / num_units_in_tick;
num_units_in_tick = 1000;
}
}
time_scale = time_scale / 2; // VUI consider fields even for progressive stream : divide by 2!
if (time_scale) {
h.AvgTimePerFrame = (10000000I64*num_units_in_tick)/time_scale;
}
}
if (fullscan) {
bool nalflag = !!gb.BitRead(1); // nal_hrd_parameters_present_flag
if (nalflag) {
if (HrdParameters(gb) < 0) {
return false;
}
}
bool vlcflag = !!gb.BitRead(1); // vlc_hrd_parameters_present_flag
if (vlcflag) {
if (HrdParameters(gb) < 0) {
return false;
}
}
if (nalflag || vlcflag) {
gb.BitRead(1); // low_delay_hrd_flag
}
gb.BitRead(1); // pic_struct_present_flag
if (gb.BitRead(1)) { // bitstream_restriction_flag
gb.BitRead(1); // motion_vectors_over_pic_boundaries_flag
gb.UExpGolombRead(); // max_bytes_per_pic_denom
gb.UExpGolombRead(); // max_bits_per_mb_denom
gb.UExpGolombRead(); // log2_max_mv_length_horizontal
gb.UExpGolombRead(); // log2_max_mv_length_vertical
UINT64 num_reorder_frames = gb.UExpGolombRead(); // num_reorder_frames
gb.UExpGolombRead(); // max_dec_frame_buffering
if (gb.GetSize() < gb.GetPos()) {
num_reorder_frames = 0;
}
if (num_reorder_frames > 16U) {
return false;
}
}
}
}
if (!h.sar.num) h.sar.num = 1;
if (!h.sar.den) h.sar.den = 1;
unsigned int mb_Width = (unsigned int)pic_width_in_mbs_minus1 + 1;
unsigned int mb_Height = ((unsigned int)pic_height_in_map_units_minus1 + 1) * (2 - !h.interlaced);
BYTE CHROMA444 = (chroma_format_idc == 3);
h.width = 16 * mb_Width - (2u>>CHROMA444) * min(h.crop_right, (8u<<CHROMA444)-1);
if (!h.interlaced) {
h.height = 16 * mb_Height - (2u>>CHROMA444) * min(h.crop_bottom, (8u<<CHROMA444)-1);
} else {