--- a/gstreamer_core/libs/gst/base/gstbitreader.c	Tue Aug 31 15:30:33 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,440 +0,0 @@
-/* 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 "gstbitreader.h"
-
-#include <string.h>
-
-/**
- * SECTION:gstbitreader
- * @short_description: Reads any number of bits from a memory buffer
- *
- * #GstBitReader provides a bit reader that can read any number of bits
- * from a memory buffer. It provides functions for reading any number of bits
- * into 8, 16, 32 and 64 bit variables.
- */
-
-/**
- * gst_bit_reader_new:
- * @data: Data from which the #GstBitReader should read
- * @size: Size of @data in bytes
- *
- * Create a new #GstBitReader instance, which will read from @data.
- *
- * Returns: a new #GstBitReader instance
- *
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-GstBitReader *
-gst_bit_reader_new (const guint8 * data, guint size)
-{
-  GstBitReader *ret = g_slice_new0 (GstBitReader);
-
-  ret->data = data;
-  ret->size = size;
-
-  return ret;
-}
-
-/**
- * gst_bit_reader_new_from_buffer:
- * @buffer: Buffer from which the #GstBitReader should read
- *
- * Create a new #GstBitReader instance, which will read from the
- * #GstBuffer @buffer.
- *
- * Returns: a new #GstBitReader instance
- *
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-GstBitReader *
-gst_bit_reader_new_from_buffer (const GstBuffer * buffer)
-{
-  g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
-
-  return gst_bit_reader_new (GST_BUFFER_DATA (buffer),
-      GST_BUFFER_SIZE (buffer));
-}
-
-/**
- * gst_bit_reader_free:
- * @reader: a #GstBitReader instance
- *
- * Frees a #GstBitReader instance, which was previously allocated by
- * gst_bit_reader_new() or gst_bit_reader_new_from_buffer().
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-void
-gst_bit_reader_free (GstBitReader * reader)
-{
-  g_return_if_fail (reader != NULL);
-
-  g_slice_free (GstBitReader, reader);
-}
-
-/**
- * gst_bit_reader_init:
- * @reader: a #GstBitReader instance
- * @data: Data from which the #GstBitReader should read
- * @size: Size of @data in bytes
- *
- * Initializes a #GstBitReader instance to read from @data. This function
- * can be called on already initialized instances.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-void
-gst_bit_reader_init (GstBitReader * reader, const guint8 * data, guint size)
-{
-  g_return_if_fail (reader != NULL);
-
-  reader->data = data;
-  reader->size = size;
-  reader->byte = reader->bit = 0;
-}
-
-/**
- * gst_bit_reader_init_from_buffer:
- * @reader: a #GstBitReader instance
- * @buffer: Buffer from which the #GstBitReader should read
- *
- * Initializes a #GstBitReader instance to read from @buffer. This function
- * can be called on already initialized instances.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-void
-gst_bit_reader_init_from_buffer (GstBitReader * reader,
-    const GstBuffer * buffer)
-{
-  g_return_if_fail (GST_IS_BUFFER (buffer));
-
-  gst_bit_reader_init (reader, GST_BUFFER_DATA (buffer),
-      GST_BUFFER_SIZE (buffer));
-}
-
-/**
- * gst_bit_reader_set_pos:
- * @reader: a #GstBitReader instance
- * @pos: The new position in bits
- *
- * Sets the new position of a #GstBitReader instance to @pos in bits.
- *
- * Returns: %TRUE if the position could be set successfully, %FALSE
- * otherwise.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-gboolean
-gst_bit_reader_set_pos (GstBitReader * reader, guint pos)
-{
-  g_return_val_if_fail (reader != NULL, FALSE);
-
-  if (pos > reader->size * 8)
-    return FALSE;
-
-  reader->byte = pos / 8;
-  reader->bit = pos % 8;
-
-  return TRUE;
-}
-
-/**
- * gst_bit_reader_get_pos:
- * @reader: a #GstBitReader instance
- *
- * Returns the current position of a #GstBitReader instance in bits.
- *
- * Returns: The current position of @reader in bits.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-guint
-gst_bit_reader_get_pos (const GstBitReader * reader)
-{
-  g_return_val_if_fail (reader != NULL, 0);
-
-  return reader->byte * 8 + reader->bit;
-}
-
-/**
- * gst_bit_reader_get_remaining:
- * @reader: a #GstBitReader instance
- *
- * Returns the remaining number of bits of a #GstBitReader instance.
- *
- * Returns: The remaining number of bits of @reader instance.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-guint
-gst_bit_reader_get_remaining (const GstBitReader * reader)
-{
-  g_return_val_if_fail (reader != NULL, 0);
-
-  return reader->size * 8 - (reader->byte * 8 + reader->bit);
-}
-
-/**
- * gst_bit_reader_skip:
- * @reader: a #GstBitReader instance
- * @nbits: the number of bits to skip
- *
- * Skips @nbits bits of the #GstBitReader instance.
- *
- * Returns: %TRUE if @nbits bits could be skipped, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-gboolean
-gst_bit_reader_skip (GstBitReader * reader, guint nbits)
-{
-  g_return_val_if_fail (reader != NULL, FALSE);
-
-  if (gst_bit_reader_get_remaining (reader) < nbits)
-    return FALSE;
-
-  reader->bit += nbits;
-  reader->byte += reader->bit / 8;
-  reader->bit = reader->bit % 8;
-
-  return TRUE;
-}
-
-/**
- * gst_bit_reader_skip_to_byte:
- * @reader: a #GstBitReader instance
- *
- * Skips until the next byte.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-#ifdef __SYMBIAN32__
-EXPORT_C
-#endif
-
-gboolean
-gst_bit_reader_skip_to_byte (GstBitReader * reader)
-{
-  g_return_val_if_fail (reader != NULL, FALSE);
-
-  if (reader->byte > reader->size)
-    return FALSE;
-
-  if (reader->bit) {
-    reader->bit = 0;
-    reader->byte++;
-  }
-
-  return TRUE;
-}
-
-/**
- * gst_bit_reader_get_bits_uint8:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint8 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val and update the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_get_bits_uint16:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint16 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val and update the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_get_bits_uint32:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint32 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val and update the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_get_bits_uint64:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint64 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val and update the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_peek_bits_uint8:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint8 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val but keep the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_peek_bits_uint16:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint16 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val but keep the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_peek_bits_uint32:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint32 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val but keep the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-/**
- * gst_bit_reader_peek_bits_uint64:
- * @reader: a #GstBitReader instance
- * @val: Pointer to a #guint64 to store the result
- * @nbits: number of bits to read
- *
- * Read @nbits bits into @val but keep the current position.
- *
- * Returns: %TRUE if successful, %FALSE otherwise.
- * 
- * Since: 0.10.22
- */
-
-#define GST_BIT_READER_READ_BITS(bits) \
-__declspec(dllexport) gboolean \
-gst_bit_reader_get_bits_uint##bits (GstBitReader *reader, guint##bits *val, guint nbits) \
-{ \
-  guint##bits ret = 0; \
-  \
-  g_return_val_if_fail (reader != NULL, FALSE); \
-  g_return_val_if_fail (val != NULL, FALSE); \
-  g_return_val_if_fail (nbits <= bits, FALSE); \
-  \
-  if (reader->byte * 8 + reader->bit + nbits > reader->size * 8) \
-    return FALSE; \
-  \
-  while (nbits > 0) { \
-    guint toread = MIN (nbits, 8 - reader->bit); \
-    \
-    ret <<= toread; \
-    ret |= (reader->data[reader->byte] & (0xff >> reader->bit)) >> (8 - toread - reader->bit); \
-    \
-    reader->bit += toread; \
-    if (reader->bit >= 8) { \
-      reader->byte++; \
-      reader->bit = 0; \
-    } \
-    nbits -= toread; \
-  } \
-  \
-  *val = ret; \
-  return TRUE; \
-} \
-\
-__declspec(dllexport) gboolean \
-gst_bit_reader_peek_bits_uint##bits (const GstBitReader *reader, guint##bits *val, guint nbits) \
-{ \
-  GstBitReader tmp; \
-  \
-  g_return_val_if_fail (reader != NULL, FALSE); \
-  tmp = *reader; \
-  return gst_bit_reader_get_bits_uint##bits (&tmp, val, nbits); \
-}
-
-GST_BIT_READER_READ_BITS (8);
-GST_BIT_READER_READ_BITS (16);
-GST_BIT_READER_READ_BITS (32);
-GST_BIT_READER_READ_BITS (64);