ByteWriter

Object Hierarchy:

Description:

[ CCode ( cname = "GstByteWriter" , free_function = "gst_byte_writer_free" , has_type_id = false ) ]
[ Compact ]
[ GIR ( name = "ByteWriter" ) ]
public class ByteWriter

ByteWriter provides a byte writer and reader that can write/read different integer and floating point types to/from a memory buffer.

It provides functions for writing/reading signed/unsigned, little/big endian integers of 8, 16, 24, 32 and 64 bits and functions for reading little/big endian floating points numbers of 32 and 64 bits. It also provides functions to write/read NUL-terminated strings in various character encodings.

Namespace: Gst.Base

Package: gstreamer-base-1.0

Content:

Creation methods:

public ByteWriter ()
Creates a new, empty ByteWriter instance
public ByteWriter.with_data (uint8[] data, bool initialized)
Creates a new ByteWriter instance with the given memory area.
public ByteWriter.with_size (uint size, bool fixed)
Creates a new ByteWriter instance with the given initial data size.

Methods:

public bool ensure_free_space (uint size)
Checks if enough free space from the current write cursor is available and reallocates if necessary.
public bool fill (uint8 value, uint size)
Writes size bytes containing value to this.
public void free ()
Frees this and all memory allocated by it.
public Buffer free_and_get_buffer ()
Frees this and all memory allocated by it except the current data, which is returned as Buffer.
public uint8 free_and_get_data ()
Frees this and all memory allocated by it except the current data, which is returned.
public uint get_remaining ()
Returns the remaining size of data that can still be written.
public void init ()
Initializes this to an empty instance
public void init_with_data (uint8[] data, bool initialized)
Initializes this with the given memory area.
public void init_with_size (uint size, bool fixed)
Initializes this with the given initial data size.
public bool put_buffer (Buffer buffer, size_t offset, ssize_t size)
Writes size bytes of data to this.
public bool put_data (uint8[] data)
Writes data.length bytes of data to this.
public bool put_float32_be (float val)
Writes a big endian 32 bit float to this.
public bool put_float32_le (float val)
Writes a little endian 32 bit float to this .
public bool put_float64_be (double val)
Writes a big endian 64 bit float to this.
public bool put_float64_le (double val)
Writes a little endian 64 bit float to this .
public bool put_int16_be (int16 val)
Writes a signed big endian 16 bit integer to this .
public bool put_int16_le (int16 val)
Writes a signed little endian 16 bit integer to this.
public bool put_int24_be (int32 val)
Writes a signed big endian 24 bit integer to this .
public bool put_int24_le (int32 val)
Writes a signed little endian 24 bit integer to this.
public bool put_int32_be (int32 val)
Writes a signed big endian 32 bit integer to this .
public bool put_int32_le (int32 val)
Writes a signed little endian 32 bit integer to this.
public bool put_int64_be (int64 val)
Writes a signed big endian 64 bit integer to this .
public bool put_int64_le (int64 val)
Writes a signed little endian 64 bit integer to this.
public bool put_int8 (int8 val)
Writes a signed 8 bit integer to this.
public bool put_string_utf16 (uint16[] data)
Writes a NUL-terminated UTF16 string to this (including the terminator).
public bool put_string_utf32 (uint32[] data)
Writes a NUL-terminated UTF32 string to this (including the terminator).
public bool put_string_utf8 (string data)
Writes a NUL-terminated UTF8 string to this (including the terminator).
public bool put_uint16_be (uint16 val)
Writes a unsigned big endian 16 bit integer to this.
public bool put_uint16_le (uint16 val)
Writes a unsigned little endian 16 bit integer to this.
public bool put_uint24_be (uint32 val)
Writes a unsigned big endian 24 bit integer to this.
public bool put_uint24_le (uint32 val)
Writes a unsigned little endian 24 bit integer to this.
public bool put_uint32_be (uint32 val)
Writes a unsigned big endian 32 bit integer to this.
public bool put_uint32_le (uint32 val)
Writes a unsigned little endian 32 bit integer to this.
public bool put_uint64_be (uint64 val)
Writes a unsigned big endian 64 bit integer to this.
public bool put_uint64_le (uint64 val)
Writes a unsigned little endian 64 bit integer to this.
public bool put_uint8 (uint8 val)
Writes a unsigned 8 bit integer to this.
public void reset ()
Resets this and frees the data if it's owned by this.
public Buffer reset_and_get_buffer ()
Resets this and returns the current data as buffer.
public uint8[] reset_and_get_data ()
Resets this and returns the current data.

Fields:

public bool @owned
public uint alloc_size
public bool fixed
public unowned ByteReader parent