mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 19:50:40 +00:00
422e9c4ce3
As the headers were broken in 0.10.26 the functions weren't really usable back then, so we should advertise them as being there only since 0.10.27. Spotted by Mart Raudsepp.
835 lines
20 KiB
C
835 lines
20 KiB
C
/* GStreamer byte writer
|
|
*
|
|
* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstbytewriter.h"
|
|
#include <string.h>
|
|
|
|
/**
|
|
* SECTION:gstbytewriter
|
|
* @short_description: Writes different integer, string and floating point
|
|
* types to a memory buffer and allows reading
|
|
*
|
|
* #GstByteWriter 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.
|
|
*/
|
|
|
|
/**
|
|
* gst_byte_writer_new:
|
|
*
|
|
* Creates a new, empty #GstByteWriter instance
|
|
*
|
|
* Returns: a new, empty #GstByteWriter instance
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
GstByteWriter *
|
|
gst_byte_writer_new (void)
|
|
{
|
|
GstByteWriter *ret = g_slice_new0 (GstByteWriter);
|
|
|
|
ret->owned = TRUE;
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_new_with_size:
|
|
* @size: Initial size of data
|
|
* @fixed: If %TRUE the data can't be reallocated
|
|
*
|
|
* Creates a new #GstByteWriter instance with the given
|
|
* initial data size.
|
|
*
|
|
* Returns: a new #GstByteWriter instance
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
GstByteWriter *
|
|
gst_byte_writer_new_with_size (guint size, gboolean fixed)
|
|
{
|
|
GstByteWriter *ret = gst_byte_writer_new ();
|
|
|
|
ret->alloc_size = size;
|
|
ret->parent.data = g_malloc (ret->alloc_size);
|
|
ret->fixed = fixed;
|
|
ret->owned = TRUE;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_new_with_data:
|
|
* @data: Memory area for writing
|
|
* @size: Size of @data in bytes
|
|
* @initialized: If %TRUE the complete data can be read from the beginning
|
|
*
|
|
* Creates a new #GstByteWriter instance with the given
|
|
* memory area. If @initialized is %TRUE it is possible to
|
|
* read @size bytes from the #GstByteWriter from the beginning.
|
|
*
|
|
* Returns: a new #GstByteWriter instance
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
GstByteWriter *
|
|
gst_byte_writer_new_with_data (guint8 * data, guint size, gboolean initialized)
|
|
{
|
|
GstByteWriter *ret = gst_byte_writer_new ();
|
|
|
|
ret->parent.data = data;
|
|
ret->parent.size = (initialized) ? size : 0;
|
|
ret->alloc_size = size;
|
|
ret->fixed = TRUE;
|
|
ret->owned = FALSE;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_new_with_buffer:
|
|
* @buffer: Buffer used for writing
|
|
* @initialized: If %TRUE the complete data can be read from the beginning
|
|
*
|
|
* Creates a new #GstByteWriter instance with the given
|
|
* buffer. If @initialized is %TRUE it is possible to
|
|
* read the complete buffer from the #GstByteWriter from the beginning.
|
|
*
|
|
* <note>@buffer must be writable</note>
|
|
*
|
|
* Returns: a new #GstByteWriter instance
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
GstByteWriter *
|
|
gst_byte_writer_new_with_buffer (GstBuffer * buffer, gboolean initialized)
|
|
{
|
|
g_return_val_if_fail (GST_IS_BUFFER (buffer)
|
|
&& gst_buffer_is_writable (buffer), NULL);
|
|
|
|
return gst_byte_writer_new_with_data (GST_BUFFER_DATA (buffer),
|
|
GST_BUFFER_SIZE (buffer), initialized);
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_init:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Initializes @writer to an empty instance
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
void
|
|
gst_byte_writer_init (GstByteWriter * writer)
|
|
{
|
|
g_return_if_fail (writer != NULL);
|
|
|
|
memset (writer, 0, sizeof (GstByteWriter));
|
|
|
|
writer->owned = TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_init_with_size:
|
|
* @writer: #GstByteWriter instance
|
|
* @size: Initial size of data
|
|
* @fixed: If %TRUE the data can't be reallocated
|
|
*
|
|
* Initializes @writer with the given initial data size.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
void
|
|
gst_byte_writer_init_with_size (GstByteWriter * writer, guint size,
|
|
gboolean fixed)
|
|
{
|
|
g_return_if_fail (writer != NULL);
|
|
|
|
gst_byte_writer_init (writer);
|
|
|
|
writer->parent.data = g_malloc (size);
|
|
writer->alloc_size = size;
|
|
writer->fixed = fixed;
|
|
writer->owned = TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_init_with_data:
|
|
* @writer: #GstByteWriter instance
|
|
* @data: Memory area for writing
|
|
* @size: Size of @data in bytes
|
|
* @initialized: If %TRUE the complete data can be read from the beginning
|
|
*
|
|
* Initializes @writer with the given
|
|
* memory area. If @initialized is %TRUE it is possible to
|
|
* read @size bytes from the #GstByteWriter from the beginning.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
void
|
|
gst_byte_writer_init_with_data (GstByteWriter * writer, guint8 * data,
|
|
guint size, gboolean initialized)
|
|
{
|
|
g_return_if_fail (writer != NULL);
|
|
|
|
gst_byte_writer_init (writer);
|
|
|
|
writer->parent.data = data;
|
|
writer->parent.size = (initialized) ? size : 0;
|
|
writer->alloc_size = size;
|
|
writer->fixed = TRUE;
|
|
writer->owned = FALSE;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_init_with_buffer:
|
|
* @writer: #GstByteWriter instance
|
|
* @buffer: Buffer used for writing
|
|
* @initialized: If %TRUE the complete data can be read from the beginning
|
|
*
|
|
* Initializes @writer with the given
|
|
* buffer. If @initialized is %TRUE it is possible to
|
|
* read the complete buffer from the #GstByteWriter from the beginning.
|
|
*
|
|
* <note>@buffer must be writable</note>
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
void
|
|
gst_byte_writer_init_with_buffer (GstByteWriter * writer, GstBuffer * buffer,
|
|
gboolean initialized)
|
|
{
|
|
g_return_if_fail (GST_IS_BUFFER (buffer) && gst_buffer_is_writable (buffer));
|
|
|
|
gst_byte_writer_init_with_data (writer, GST_BUFFER_DATA (buffer),
|
|
GST_BUFFER_SIZE (buffer), initialized);
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_reset:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Resets @writer and frees the data if it's
|
|
* owned by @writer.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
void
|
|
gst_byte_writer_reset (GstByteWriter * writer)
|
|
{
|
|
g_return_if_fail (writer != NULL);
|
|
|
|
if (writer->owned)
|
|
g_free ((guint8 *) writer->parent.data);
|
|
memset (writer, 0, sizeof (GstByteWriter));
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_reset_and_get_data:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Resets @writer and returns the current data.
|
|
*
|
|
* Returns: the current data. g_free() after usage.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
guint8 *
|
|
gst_byte_writer_reset_and_get_data (GstByteWriter * writer)
|
|
{
|
|
guint8 *data;
|
|
|
|
g_return_val_if_fail (writer != NULL, NULL);
|
|
|
|
data = (guint8 *) writer->parent.data;
|
|
if (!writer->owned)
|
|
data = g_memdup (data, writer->parent.size);
|
|
writer->parent.data = NULL;
|
|
gst_byte_writer_reset (writer);
|
|
|
|
return data;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_reset_and_get_buffer:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Resets @writer and returns the current data as buffer.
|
|
*
|
|
* Returns: the current data as buffer. gst_buffer_unref() after usage.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
GstBuffer *
|
|
gst_byte_writer_reset_and_get_buffer (GstByteWriter * writer)
|
|
{
|
|
GstBuffer *buffer;
|
|
|
|
g_return_val_if_fail (writer != NULL, NULL);
|
|
|
|
buffer = gst_buffer_new ();
|
|
GST_BUFFER_SIZE (buffer) = writer->parent.size;
|
|
GST_BUFFER_MALLOCDATA (buffer) = gst_byte_writer_reset_and_get_data (writer);
|
|
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_free:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Frees @writer and all memory allocated by it.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
void
|
|
gst_byte_writer_free (GstByteWriter * writer)
|
|
{
|
|
g_return_if_fail (writer != NULL);
|
|
|
|
gst_byte_writer_reset (writer);
|
|
g_slice_free (GstByteWriter, writer);
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_free_and_get_data:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Frees @writer and all memory allocated by it except
|
|
* the current data, which is returned.
|
|
*
|
|
* Returns: the current data. g_free() after usage.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
guint8 *
|
|
gst_byte_writer_free_and_get_data (GstByteWriter * writer)
|
|
{
|
|
guint8 *data;
|
|
|
|
g_return_val_if_fail (writer != NULL, NULL);
|
|
|
|
data = gst_byte_writer_reset_and_get_data (writer);
|
|
g_slice_free (GstByteWriter, writer);
|
|
|
|
return data;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_free_and_get_buffer:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Frees @writer and all memory allocated by it except
|
|
* the current data, which is returned as #GstBuffer.
|
|
*
|
|
* Returns: the current data as buffer. gst_buffer_unref() after usage.
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
GstBuffer *
|
|
gst_byte_writer_free_and_get_buffer (GstByteWriter * writer)
|
|
{
|
|
GstBuffer *buffer;
|
|
|
|
g_return_val_if_fail (writer != NULL, NULL);
|
|
|
|
buffer = gst_byte_writer_reset_and_get_buffer (writer);
|
|
g_slice_free (GstByteWriter, writer);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_get_remaining:
|
|
* @writer: #GstByteWriter instance
|
|
*
|
|
* Returns the remaining size of data that can still be written. If
|
|
* -1 is returned the remaining size is only limited by system resources.
|
|
*
|
|
* Returns: the remaining size of data that can still be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
guint
|
|
gst_byte_writer_get_remaining (const GstByteWriter * writer)
|
|
{
|
|
g_return_val_if_fail (writer != NULL, -1);
|
|
|
|
if (!writer->fixed)
|
|
return -1;
|
|
else
|
|
return writer->alloc_size - writer->parent.byte;
|
|
}
|
|
|
|
static guint
|
|
_next_pow2 (guint n)
|
|
{
|
|
guint ret = 16;
|
|
|
|
/* We start with 16, smaller allocations make no sense */
|
|
|
|
while (ret < n)
|
|
ret <<= 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_byte_writer_ensure_free_space:
|
|
* @writer: #GstByteWriter instance
|
|
* @size: Number of bytes that should be available
|
|
*
|
|
* Checks if enough free space from the current write cursor is
|
|
* available and reallocates if necessary.
|
|
*
|
|
* Returns: %TRUE if at least @size bytes are still available
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
gboolean
|
|
gst_byte_writer_ensure_free_space (GstByteWriter * writer, guint size)
|
|
{
|
|
guint8 *data;
|
|
|
|
if (G_UNLIKELY (size <= writer->alloc_size - writer->parent.byte))
|
|
return TRUE;
|
|
if (G_UNLIKELY (writer->fixed || !writer->owned))
|
|
return FALSE;
|
|
if (G_UNLIKELY (writer->parent.byte > G_MAXUINT - size))
|
|
return FALSE;
|
|
|
|
writer->alloc_size = _next_pow2 (writer->parent.byte + size);
|
|
data = g_try_realloc ((guint8 *) writer->parent.data, writer->alloc_size);
|
|
if (G_UNLIKELY (data == NULL))
|
|
return FALSE;
|
|
|
|
writer->parent.data = data;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
#define CREATE_WRITE_FUNC(bits,type,name,write_func) \
|
|
gboolean \
|
|
gst_byte_writer_put_##name (GstByteWriter *writer, type val) \
|
|
{ \
|
|
guint8 *write_data; \
|
|
\
|
|
g_return_val_if_fail (writer != NULL, FALSE); \
|
|
\
|
|
if (G_UNLIKELY (!gst_byte_writer_ensure_free_space(writer, bits/8))) \
|
|
return FALSE; \
|
|
\
|
|
write_data = (guint8 *) writer->parent.data + writer->parent.byte; \
|
|
write_func (write_data, val); \
|
|
writer->parent.byte += bits/8; \
|
|
writer->parent.size = MAX (writer->parent.size, writer->parent.byte); \
|
|
\
|
|
return TRUE; \
|
|
}
|
|
|
|
CREATE_WRITE_FUNC (8, guint8, uint8, GST_WRITE_UINT8);
|
|
CREATE_WRITE_FUNC (8, gint8, int8, GST_WRITE_UINT8);
|
|
CREATE_WRITE_FUNC (16, guint16, uint16_le, GST_WRITE_UINT16_LE);
|
|
CREATE_WRITE_FUNC (16, guint16, uint16_be, GST_WRITE_UINT16_BE);
|
|
CREATE_WRITE_FUNC (16, gint16, int16_le, GST_WRITE_UINT16_LE);
|
|
CREATE_WRITE_FUNC (16, gint16, int16_be, GST_WRITE_UINT16_BE);
|
|
CREATE_WRITE_FUNC (24, guint32, uint24_le, GST_WRITE_UINT24_LE);
|
|
CREATE_WRITE_FUNC (24, guint32, uint24_be, GST_WRITE_UINT24_BE);
|
|
CREATE_WRITE_FUNC (24, gint32, int24_le, GST_WRITE_UINT24_LE);
|
|
CREATE_WRITE_FUNC (24, gint32, int24_be, GST_WRITE_UINT24_BE);
|
|
CREATE_WRITE_FUNC (32, guint32, uint32_le, GST_WRITE_UINT32_LE);
|
|
CREATE_WRITE_FUNC (32, guint32, uint32_be, GST_WRITE_UINT32_BE);
|
|
CREATE_WRITE_FUNC (32, gint32, int32_le, GST_WRITE_UINT32_LE);
|
|
CREATE_WRITE_FUNC (32, gint32, int32_be, GST_WRITE_UINT32_BE);
|
|
CREATE_WRITE_FUNC (64, guint64, uint64_le, GST_WRITE_UINT64_LE);
|
|
CREATE_WRITE_FUNC (64, guint64, uint64_be, GST_WRITE_UINT64_BE);
|
|
CREATE_WRITE_FUNC (64, gint64, int64_le, GST_WRITE_UINT64_LE);
|
|
CREATE_WRITE_FUNC (64, gint64, int64_be, GST_WRITE_UINT64_BE);
|
|
|
|
CREATE_WRITE_FUNC (32, gfloat, float32_be, GST_WRITE_FLOAT_BE);
|
|
CREATE_WRITE_FUNC (32, gfloat, float32_le, GST_WRITE_FLOAT_LE);
|
|
CREATE_WRITE_FUNC (64, gdouble, float64_be, GST_WRITE_DOUBLE_BE);
|
|
CREATE_WRITE_FUNC (64, gdouble, float64_le, GST_WRITE_DOUBLE_LE);
|
|
|
|
gboolean
|
|
gst_byte_writer_put_data (GstByteWriter * writer, const guint8 * data,
|
|
guint size)
|
|
{
|
|
g_return_val_if_fail (writer != NULL, FALSE);
|
|
|
|
if (G_UNLIKELY (!gst_byte_writer_ensure_free_space (writer, size)))
|
|
return FALSE;
|
|
|
|
memcpy ((guint8 *) & writer->parent.data[writer->parent.byte], data, size);
|
|
writer->parent.byte += size;
|
|
writer->parent.size = MAX (writer->parent.size, writer->parent.byte);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
gst_byte_writer_fill (GstByteWriter * writer, const guint8 value, guint size)
|
|
{
|
|
g_return_val_if_fail (writer != NULL, FALSE);
|
|
|
|
if (G_UNLIKELY (!gst_byte_writer_ensure_free_space (writer, size)))
|
|
return FALSE;
|
|
|
|
memset ((guint8 *) & writer->parent.data[writer->parent.byte], value, size);
|
|
writer->parent.byte += size;
|
|
writer->parent.size = MAX (writer->parent.size, writer->parent.byte);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#define CREATE_WRITE_STRING_FUNC(bits,type) \
|
|
gboolean \
|
|
gst_byte_writer_put_string_utf##bits (GstByteWriter *writer, const type * data) \
|
|
{ \
|
|
guint size = 0; \
|
|
g_return_val_if_fail (writer != NULL, FALSE); \
|
|
\
|
|
/* endianness does not matter if we are looking for a NUL terminator */ \
|
|
while (data[size] != 0) { \
|
|
/* have prevent overflow */ \
|
|
if (G_UNLIKELY (size == G_MAXUINT)) \
|
|
return FALSE; \
|
|
++size; \
|
|
} \
|
|
++size; \
|
|
\
|
|
if (G_UNLIKELY (!gst_byte_writer_ensure_free_space(writer, size * (bits / 8)))) \
|
|
return FALSE; \
|
|
\
|
|
gst_byte_writer_put_data (writer, (const guint8 *) data, size * (bits / 8)); \
|
|
\
|
|
return TRUE; \
|
|
}
|
|
|
|
CREATE_WRITE_STRING_FUNC (8, gchar);
|
|
CREATE_WRITE_STRING_FUNC (16, guint16);
|
|
CREATE_WRITE_STRING_FUNC (32, guint32);
|
|
/**
|
|
* gst_byte_writer_put_uint8:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned 8 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint16_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned big endian 16 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint24_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned big endian 24 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint32_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned big endian 32 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint64_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned big endian 64 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint16_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned little endian 16 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint24_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned little endian 24 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint32_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned little endian 32 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_uint64_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a unsigned little endian 64 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int8:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed 8 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int16_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed big endian 16 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int24_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed big endian 24 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int32_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed big endian 32 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int64_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed big endian 64 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int16_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed little endian 16 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int24_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed little endian 24 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int32_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed little endian 32 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_int64_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a signed little endian 64 bit integer to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_float32_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a big endian 32 bit float to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.27
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_float64_be:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a big endian 64 bit float to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.27
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_float32_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a little endian 32 bit float to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.27
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_float64_le:
|
|
* @writer: #GstByteWriter instance
|
|
* @val: Value to write
|
|
*
|
|
* Writes a little endian 64 bit float to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.27
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_string_utf8:
|
|
* @writer: #GstByteWriter instance
|
|
* @data: UTF8 string to write
|
|
*
|
|
* Writes a null-terminated UTF8 string to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_string_utf16:
|
|
* @writer: #GstByteWriter instance
|
|
* @data: UTF16 string to write
|
|
*
|
|
* Writes a null-terminated UTF16 string to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_string_utf32:
|
|
* @writer: #GstByteWriter instance
|
|
* @data: UTF32 string to write
|
|
*
|
|
* Writes a null-terminated UTF32 string to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_put_data:
|
|
* @writer: #GstByteWriter instance
|
|
* @data: Data to write
|
|
* @size: Size of @data in bytes
|
|
*
|
|
* Writes @size bytes of @data to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.26
|
|
*/
|
|
/**
|
|
* gst_byte_writer_fill:
|
|
* @writer: #GstByteWriter instance
|
|
* @value: Value to be writen
|
|
* @size: Number of bytes to be writen
|
|
*
|
|
* Writes @size bytes containing @value to @writer.
|
|
*
|
|
* Returns: %TRUE if the value could be written
|
|
*
|
|
* Since: 0.10.27
|
|
*/
|