1 files changed, 1231 insertions, 0 deletions
diff --git a/gst/flacparse/gstbytereader.c b/gst/flacparse/gstbytereader.c
new file mode 100644
index 00000000..cb91ea79
--- /dev/null
+++ b/gst/flacparse/gstbytereader.c
@@ -0,0 +1,1231 @@
+/* GStreamer
+ *
+ * Copyright (C) 2008 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 "gstbytereader.h"
+
+#include <string.h>
+
+/**
+ * SECTION:gstbytereader
+ * @short_description: Reads different integer and floating point types from a memory buffer
+ *
+ * #GstByteReader provides a byte reader that can read different integer and
+ * floating point types from a memory buffer. It provides functions for 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.
+ */
+
+
+/* Copied from gst/floatcast/floatcast.h as this is in gst-plugins-base */
+
+inline static gdouble
+GDOUBLE_SWAP_LE_BE (gdouble in)
+{
+  union
+  {
+    guint64 i;
+    gdouble d;
+  } u;
+
+  u.d = in;
+  u.i = GUINT64_SWAP_LE_BE (u.i);
+  return u.d;
+}
+
+inline static gfloat
+GFLOAT_SWAP_LE_BE (gfloat in)
+{
+  union
+  {
+    guint32 i;
+    gfloat f;
+  } u;
+
+  u.f = in;
+  u.i = GUINT32_SWAP_LE_BE (u.i);
+  return u.f;
+}
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define GFLOAT_TO_LE(val)    ((gfloat) (val))
+#define GFLOAT_TO_BE(val)    (GFLOAT_SWAP_LE_BE (val))
+#define GDOUBLE_TO_LE(val)   ((gdouble) (val))
+#define GDOUBLE_TO_BE(val)   (GDOUBLE_SWAP_LE_BE (val))
+
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+#define GFLOAT_TO_LE(val)    (GFLOAT_SWAP_LE_BE (val))
+#define GFLOAT_TO_BE(val)    ((gfloat) (val))
+#define GDOUBLE_TO_LE(val)   (GDOUBLE_SWAP_LE_BE (val))
+#define GDOUBLE_TO_BE(val)   ((gdouble) (val))
+
+#else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+#error unknown ENDIAN type
+#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+
+#define GFLOAT_FROM_LE(val)  (GFLOAT_TO_LE (val))
+#define GFLOAT_FROM_BE(val)  (GFLOAT_TO_BE (val))
+#define GDOUBLE_FROM_LE(val) (GDOUBLE_TO_LE (val))
+#define GDOUBLE_FROM_BE(val) (GDOUBLE_TO_BE (val))
+
+
+/**
+ * gst_byte_reader_new:
+ * @data: Data from which the #GstByteReader should read
+ * @size: Size of @data in bytes
+ *
+ * Create a new #GstByteReader instance, which will read from @data.
+ *
+ * Returns: a new #GstByteReader instance
+ *
+ * Since: 0.10.22
+ */
+GstByteReader *
+gst_byte_reader_new (const guint8 * data, guint size)
+{
+  GstByteReader *ret = g_slice_new0 (GstByteReader);
+
+  ret->data = data;
+  ret->size = size;
+
+  return ret;
+}
+
+/**
+ * gst_byte_reader_new_from_buffer:
+ * @buffer: Buffer from which the #GstByteReader should read
+ *
+ * Create a new #GstByteReader instance, which will read from the
+ * #GstBuffer @buffer.
+ *
+ * Returns: a new #GstByteReader instance
+ *
+ * Since: 0.10.22
+ */
+GstByteReader *
+gst_byte_reader_new_from_buffer (const GstBuffer * buffer)
+{
+  g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
+
+  return gst_byte_reader_new (GST_BUFFER_DATA (buffer),
+      GST_BUFFER_SIZE (buffer));
+}
+
+/**
+ * gst_byte_reader_free:
+ * @reader: a #GstByteReader instance
+ *
+ * Frees a #GstByteReader instance, which was previously allocated by
+ * gst_byte_reader_new() or gst_byte_reader_new_from_buffer().
+ * 
+ * Since: 0.10.22
+ */
+void
+gst_byte_reader_free (GstByteReader * reader)
+{
+  g_return_if_fail (reader != NULL);
+
+  g_slice_free (GstByteReader, reader);
+}
+
+/**
+ * gst_byte_reader_init:
+ * @reader: a #GstByteReader instance
+ * @data: Data from which the #GstByteReader should read
+ * @size: Size of @data in bytes
+ *
+ * Initializes a #GstByteReader instance to read from @data. This function
+ * can be called on already initialized instances.
+ * 
+ * Since: 0.10.22
+ */
+void
+gst_byte_reader_init (GstByteReader * reader, const guint8 * data, guint size)
+{
+  g_return_if_fail (reader != NULL);
+
+  reader->data = data;
+  reader->size = size;
+  reader->byte = 0;
+}
+
+/**
+ * gst_byte_reader_init:
+ * @reader: a #GstByteReader instance
+ * @buffer: Buffer from which the #GstByteReader should read
+ *
+ * Initializes a #GstByteReader instance to read from @buffer. This function
+ * can be called on already initialized instances.
+ * 
+ * Since: 0.10.22
+ */
+void
+gst_byte_reader_init_from_buffer (GstByteReader * reader,
+    const GstBuffer * buffer)
+{
+  g_return_if_fail (GST_IS_BUFFER (buffer));
+
+  gst_byte_reader_init (reader, GST_BUFFER_DATA (buffer),
+      GST_BUFFER_SIZE (buffer));
+}
+
+/**
+ * gst_byte_reader_set_pos:
+ * @reader: a #GstByteReader instance
+ * @pos: The new position in bytes
+ *
+ * Sets the new position of a #GstByteReader instance to @pos in bytes.
+ *
+ * Returns: %TRUE if the position could be set successfully, %FALSE
+ * otherwise.
+ * 
+ * Since: 0.10.22
+ */
+gboolean
+gst_byte_reader_set_pos (GstByteReader * reader, guint pos)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+
+  if (pos > reader->size)
+    return FALSE;
+
+  reader->byte = pos;
+
+  return TRUE;
+}
+
+/**
+ * gst_byte_reader_get_pos:
+ * @reader: a #GstByteReader instance
+ *
+ * Returns the current position of a #GstByteReader instance in bytes.
+ *
+ * Returns: The current position of @reader in bytes.
+ * 
+ * Since: 0.10.22
+ */
+guint
+gst_byte_reader_get_pos (const GstByteReader * reader)
+{
+  g_return_val_if_fail (reader != NULL, 0);
+
+  return reader->byte;
+}
+
+/**
+ * gst_byte_reader_get_remaining:
+ * @reader: a #GstByteReader instance
+ *
+ * Returns the remaining number of bytes of a #GstByteReader instance.
+ *
+ * Returns: The remaining number of bytes of @reader instance.
+ * 
+ * Since: 0.10.22
+ */
+guint
+gst_byte_reader_get_remaining (const GstByteReader * reader)
+{
+  g_return_val_if_fail (reader != NULL, 0);
+
+  return reader->size - reader->byte;
+}
+
+/**
+ * gst_byte_reader_skip:
+ * @reader: a #GstByteReader instance
+ * @nbytes: the number of bytes to skip
+ *
+ * Skips @nbytes bytes of the #GstByteReader instance.
+ *
+ * Returns: %TRUE if @nbytes bytes could be skipped, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+gboolean
+gst_byte_reader_skip (GstByteReader * reader, guint nbytes)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+
+  if (gst_byte_reader_get_remaining (reader) < nbytes)
+    return FALSE;
+
+  reader->byte += nbytes;
+
+  return TRUE;
+}
+
+/**
+ * gst_byte_reader_get_uint8:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint8 to store the result
+ *
+ * Read an unsigned 8 bit integer into @val and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int8:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint8 to store the result
+ *
+ * Read a signed 8 bit integer into @val and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint8:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint8 to store the result
+ *
+ * Read a signed 8 bit integer into @val but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int8:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint8 to store the result
+ *
+ * Read a signed 8 bit integer into @val but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint16_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint16 to store the result
+ *
+ * Read an unsigned 16 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int16_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint16 to store the result
+ *
+ * Read a signed 16 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint16_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint16 to store the result
+ *
+ * Read a signed 16 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int16_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint16 to store the result
+ *
+ * Read a signed 16 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint16_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint16 to store the result
+ *
+ * Read an unsigned 16 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int16_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint16 to store the result
+ *
+ * Read a signed 16 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint16_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint16 to store the result
+ *
+ * Read a signed 16 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int16_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint16 to store the result
+ *
+ * Read a signed 16 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint24_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read an unsigned 24 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int24_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 24 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint24_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read a signed 24 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int24_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 24 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint24_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read an unsigned 24 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int24_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 24 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint24_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read a signed 24 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int24_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 24 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+
+/**
+ * gst_byte_reader_get_uint32_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read an unsigned 32 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int32_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 32 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint32_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read a signed 32 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int32_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 32 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint32_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read an unsigned 32 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int32_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 32 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint32_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint32 to store the result
+ *
+ * Read a signed 32 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int32_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint32 to store the result
+ *
+ * Read a signed 32 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint64_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint64 to store the result
+ *
+ * Read an unsigned 64 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int64_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint64 to store the result
+ *
+ * Read a signed 64 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint64_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint64 to store the result
+ *
+ * Read a signed 64 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int64_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint64 to store the result
+ *
+ * Read a signed 64 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_uint64_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint64 to store the result
+ *
+ * Read an unsigned 64 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_int64_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint64 to store the result
+ *
+ * Read a signed 64 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_uint64_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #guint64 to store the result
+ *
+ * Read a signed 64 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_int64_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gint64 to store the result
+ *
+ * Read a signed 64 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+#define GST_BYTE_READER_READ_INTS(bits) \
+gboolean \
+gst_byte_reader_get_uint##bits##_le (GstByteReader *reader, guint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_LE (&reader->data[reader->byte]); \
+  reader->byte += bits / 8; \
+  return TRUE; \
+} \
+\
+gboolean \
+gst_byte_reader_get_uint##bits##_be (GstByteReader *reader, guint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_BE (&reader->data[reader->byte]); \
+  reader->byte += bits / 8; \
+  return TRUE; \
+} \
+\
+gboolean \
+gst_byte_reader_get_int##bits##_le (GstByteReader *reader, gint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_LE (&reader->data[reader->byte]); \
+  reader->byte += bits / 8; \
+  return TRUE; \
+} \
+\
+gboolean \
+gst_byte_reader_get_int##bits##_be (GstByteReader *reader, gint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_BE (&reader->data[reader->byte]); \
+  reader->byte += bits / 8; \
+  return TRUE; \
+} \
+gboolean \
+gst_byte_reader_peek_uint##bits##_le (GstByteReader *reader, guint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_LE (&reader->data[reader->byte]); \
+  return TRUE; \
+} \
+\
+gboolean \
+gst_byte_reader_peek_uint##bits##_be (GstByteReader *reader, guint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_BE (&reader->data[reader->byte]); \
+  return TRUE; \
+} \
+\
+gboolean \
+gst_byte_reader_peek_int##bits##_le (GstByteReader *reader, gint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_LE (&reader->data[reader->byte]); \
+  return TRUE; \
+} \
+\
+gboolean \
+gst_byte_reader_peek_int##bits##_be (GstByteReader *reader, gint##bits *val) \
+{ \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  *val = GST_READ_UINT##bits##_BE (&reader->data[reader->byte]); \
+  return TRUE; \
+}
+
+
+GST_BYTE_READER_READ_INTS (16);
+GST_BYTE_READER_READ_INTS (32);
+GST_BYTE_READER_READ_INTS (64);
+
+gboolean
+gst_byte_reader_get_uint8 (GstByteReader * reader, guint8 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 1 > reader->size)
+    return FALSE;
+
+  *val = GST_READ_UINT8 (&reader->data[reader->byte]);
+  reader->byte++;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_get_int8 (GstByteReader * reader, gint8 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 1 > reader->size)
+    return FALSE;
+
+  *val = GST_READ_UINT8 (&reader->data[reader->byte]);
+  reader->byte++;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_peek_uint8 (GstByteReader * reader, guint8 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 1 > reader->size)
+    return FALSE;
+
+  *val = GST_READ_UINT8 (&reader->data[reader->byte]);
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_peek_int8 (GstByteReader * reader, gint8 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 1 > reader->size)
+    return FALSE;
+
+  *val = GST_READ_UINT8 (&reader->data[reader->byte]);
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_get_uint24_le (GstByteReader * reader, guint32 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  *val =
+      (reader->data[reader->byte] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte + 2] << 16));
+  reader->byte += 3;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_get_uint24_be (GstByteReader * reader, guint32 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  *val =
+      (reader->data[reader->byte + 2] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte] << 16));
+  reader->byte += 3;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_get_int24_le (GstByteReader * reader, gint32 * val)
+{
+  guint32 ret;
+
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  ret =
+      (reader->data[reader->byte] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte + 2] << 16));
+
+  if (ret & 0x00800000)
+    ret |= 0xff000000;
+
+  reader->byte += 3;
+
+  *val = ret;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_get_int24_be (GstByteReader * reader, gint32 * val)
+{
+  guint32 ret;
+
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  ret =
+      (reader->data[reader->byte + 2] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte] << 16));
+  if (ret & 0x00800000)
+    ret |= 0xff000000;
+
+  reader->byte += 3;
+
+  *val = ret;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_peek_uint24_le (GstByteReader * reader, guint32 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  *val =
+      (reader->data[reader->byte] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte + 2] << 16));
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_peek_uint24_be (GstByteReader * reader, guint32 * val)
+{
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  *val =
+      (reader->data[reader->byte + 2] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte] << 16));
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_peek_int24_le (GstByteReader * reader, gint32 * val)
+{
+  guint32 ret;
+
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  ret =
+      (reader->data[reader->byte] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte + 2] << 16));
+
+  if (ret & 0x00800000)
+    ret |= 0xff000000;
+
+  *val = ret;
+  return TRUE;
+}
+
+gboolean
+gst_byte_reader_peek_int24_be (GstByteReader * reader, gint32 * val)
+{
+  guint32 ret;
+
+  g_return_val_if_fail (reader != NULL, FALSE);
+  g_return_val_if_fail (val != NULL, FALSE);
+
+  if (reader->byte + 3 > reader->size)
+    return FALSE;
+
+  ret =
+      (reader->data[reader->byte + 2] | (reader->data[reader->byte +
+              1] << 8) | (reader->data[reader->byte] << 16));
+  if (ret & 0x00800000)
+    ret |= 0xff000000;
+
+  *val = ret;
+  return TRUE;
+}
+
+/**
+ * gst_byte_reader_get_float32_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gfloat to store the result
+ *
+ * Read a 32 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_float32_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gfloat to store the result
+ *
+ * Read a 32 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_float32_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gfloat to store the result
+ *
+ * Read a 32 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_float32_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gfloat to store the result
+ *
+ * Read a 32 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_float64_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gdouble to store the result
+ *
+ * Read a 64 bit little endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_float64_le:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gdouble to store the result
+ *
+ * Read a 64 bit little endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_get_float64_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gdouble to store the result
+ *
+ * Read a 64 bit big endian integer into @val
+ * and update the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+/**
+ * gst_byte_reader_peek_float64_be:
+ * @reader: a #GstByteReader instance
+ * @val: Pointer to a #gdouble to store the result
+ *
+ * Read a 64 bit big endian integer into @val
+ * but keep the current position.
+ *
+ * Returns: %TRUE if successful, %FALSE otherwise.
+ * 
+ * Since: 0.10.22
+ */
+
+#define GST_BYTE_READER_READ_FLOATS(bits, type, TYPE) \
+gboolean \
+gst_byte_reader_get_float##bits##_le (GstByteReader *reader, g##type *val) \
+{ \
+  g##type ret; \
+  \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  memcpy (&ret, &reader->data[reader->byte], bits / 8); \
+  *val = G##TYPE##_FROM_LE (ret); \
+  reader->byte += bits / 8; \
+  return TRUE; \
+} \
+gboolean \
+gst_byte_reader_get_float##bits##_be (GstByteReader *reader, g##type *val) \
+{ \
+  g##type ret; \
+  \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  memcpy (&ret, &reader->data[reader->byte], bits / 8); \
+  *val = G##TYPE##_FROM_BE (ret); \
+  reader->byte += bits / 8; \
+  return TRUE; \
+} \
+gboolean \
+gst_byte_reader_peek_float##bits##_le (GstByteReader *reader, g##type *val) \
+{ \
+  g##type ret; \
+  \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  memcpy (&ret, &reader->data[reader->byte], bits / 8); \
+  *val = G##TYPE##_FROM_LE (ret); \
+  return TRUE; \
+} \
+gboolean \
+gst_byte_reader_peek_float##bits##_be (GstByteReader *reader, g##type *val) \
+{ \
+  g##type ret; \
+  \
+  g_return_val_if_fail (reader != NULL, FALSE); \
+  g_return_val_if_fail (val != NULL, FALSE); \
+  \
+  if (reader->byte + bits / 8 > reader->size) \
+    return FALSE; \
+  \
+  memcpy (&ret, &reader->data[reader->byte], bits / 8); \
+  *val = G##TYPE##_FROM_BE (ret); \
+  return TRUE; \
+}
+
+GST_BYTE_READER_READ_FLOATS (32, float, FLOAT);
+GST_BYTE_READER_READ_FLOATS (64, double, DOUBLE);