Created by the British Broadcasting Corporation.
Represents compressed source-parameter data contained in a sequence header.
#include <displayparams_byteio.h>
Public Member Functions | |
SourceParamsByteIO (SourceParams &src_params, const SourceParams &default_src_params, const ByteIO &stream_data) | |
Constructor for Input/Output. | |
~SourceParamsByteIO () | |
Destructor. | |
void | Input () |
Reads source params information from Dirac byte-format. | |
void | Output () |
Outputs source params information to Dirac byte-format. | |
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ByteIO (bool new_stream=true) | |
Default constructor. | |
ByteIO (const ByteIO &stream_data) | |
Constructor. | |
virtual | ~ByteIO () |
Destructor. | |
virtual void | CollateByteStats (DiracByteStats &dirac_byte_stats) |
Gathers byte-stream statistics. | |
virtual const std::string | GetBytes () |
Get bytes in Dirac-bytestream format. | |
int | GetReadBytePosition () const |
Get position of read stream pointer. | |
virtual int | GetSize () const |
*Gets size (in bytes) | |
void | SetByteParams (const ByteIO &byte_io) |
Copies stream source/destination info. | |
void | ByteAlignOutput () |
Sync input for byte-alignment. | |
void | WriteUint (unsigned int value) |
Ouputs an unsigned integer in interleaved exp Golomb format. | |
void | SetBitsLeft (int left_bits) |
Sets input size in bits. | |
int | BitsLeft (void) |
Sets input size in bits. |
Private Member Functions | |
void | InputFrameSize () |
Reads frame dimensions. | |
void | InputChromaSamplingFormat () |
Reads Chroma Sampling Format. | |
void | InputPixelAspectRatio () |
Reads pixel aspect ratio info. | |
void | InputCleanArea () |
Reads clean-area info. | |
void | InputColourMatrix () |
Reads colour-matrix info. | |
void | InputColourPrimaries () |
Reads primary-colour info. | |
void | InputColourSpecification () |
Reads colour spec info. | |
void | InputFrameRate () |
Reads frame-rate info. | |
void | InputScanFormat () |
Reads Scan info. | |
void | InputSignalRange () |
Reads signal range info. | |
void | InputTransferFunction () |
Reads transfer-function info. | |
void | OutputFrameSize () |
Outputs frame dimensions. | |
void | OutputChromaSamplingFormat () |
Outputs Chroma Sampling Format. | |
void | OutputPixelAspectRatio () |
Outputs pixel aspect ratio info. | |
void | OutputCleanArea () |
Outputs clean-area info. | |
void | OutputColourSpecification () |
Outputs colour spec info. | |
void | OutputFrameRate () |
Outputs frame-rate info. | |
void | OutputScanFormat () |
Outputs Scan info. | |
void | OutputSignalRange () |
Outputs signal range info. |
Private Attributes | |
SourceParams & | m_src_params |
Source parameters for input/ouput. | |
const SourceParams & | m_default_src_params |
Default source parameters. |
Additional Inherited Members | |
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bool | CanRead () const |
bool | GetBit (unsigned char &c, int pos) const |
void | SetBit (unsigned char &c, int pos) const |
void | SetBits (unsigned char &c, unsigned char bits) const |
void | ByteAlignInput () |
Sync input for byte-alignment. | |
bool | ReadBool () |
Reads boolean value. | |
bool | ReadBoolB () |
Reads boolean value - bounded i/o. | |
int | ReadBit () |
Reads next bit. | |
int | ReadBitB () |
Reads next bit - bounded i/o. | |
unsigned int | ReadNBits (int count) |
Reads next 'count' bits. | |
void | InputBytes (char *data, int count) |
Reads from stream. | |
void | FlushInputB () |
Flushes the bounde input. | |
int | ReadSint () |
Reads a signed integer in interleaved exp-Golomb format *return Signed integer read. | |
int | ReadSintB () |
Reads a signed integer in interleaved exp-Golomb format from bounded input *return Signed integer read. | |
unsigned int | ReadUint () |
Reads an unsigned integer in interleaved exp Golomb format. | |
unsigned int | ReadUintB () |
Reads an unsigned integer in interleaved exp Golomb format from bounded input. | |
unsigned int | ReadUintLit (const int byte_size) |
Reads a fixed length unsigned integer from the stream in big endian. | |
unsigned char | InputUnByte () |
Reads a byte from the stream. | |
std::string | InputUnString (const int count) |
Reads a series of bytes from a stream. | |
void | WriteBit (const bool &bit) |
Outputs a bit. | |
int | WriteNBits (unsigned int val) |
Outputs an unsigned integer. | |
void | WriteNBits (unsigned int val, int count) |
Outputs an n bit integer. | |
void | OutputBytes (const std::string &bytes) |
Outputs a series of bytes. | |
void | OutputCurrentByte () |
Outputs current byte contents. | |
void | WriteSint (int val) |
Outputs an integer in Golomb signed integer format. | |
void | WriteUintLit (const unsigned int &value, const int &length) |
Output unsigned int value in big endian format. | |
void | RemoveRedundantBytes (const int count) |
Removes portion of byte-stream no longer required. | |
void | SeekGet (const int offset, std::ios_base::seekdir dir) |
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std::stringstream * | mp_stream |
Input/output steam. |
dirac::SourceParamsByteIO::SourceParamsByteIO | ( | SourceParams & | src_params, |
const SourceParams & | default_src_params, | ||
const ByteIO & | stream_data | ||
) |
src_params | Source parameters |
default_src_params | Default Source parameters |
stream_data | Source/Destination of data |
dirac::SourceParamsByteIO::~SourceParamsByteIO | ( | ) |
void dirac::SourceParamsByteIO::Input | ( | ) |
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void dirac::SourceParamsByteIO::Output | ( | ) |
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© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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