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bitreader/bytereader: API: Add gst_(bit|byte)_reader_get_size()

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... and GST_(BYTE|BIT)_READER() casts.
This commit is contained in:
Sebastian Dröge 2009-10-03 15:57:07 +02:00
parent c7438c738b
commit f4c12be109
4 changed files with 54 additions and 0 deletions
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18
libs/gst/base/gstbitreader.c
View file

@ -197,6 +197,24 @@ gst_bit_reader_get_remaining (const GstBitReader * reader)
return reader->size * 8 - (reader->byte * 8 + reader->bit);
}
/**
* gst_bit_reader_get_size:
* @reader: a #GstBitReader instance
*
* Returns the total number of bits of a #GstBitReader instance.
*
* Returns: The total number of bits of @reader instance.
*
* Since: 0.10.25
*/
guint
gst_bit_reader_get_size (const GstBitReader * reader)
{
g_return_val_if_fail (reader != NULL, 0);
return reader->size * 8;
}
/**
* gst_bit_reader_skip:
* @reader: a #GstBitReader instance

4
libs/gst/base/gstbitreader.h
View file

@ -27,6 +27,8 @@
G_BEGIN_DECLS
#define GST_BIT_READER(reader) ((GstBitReader *) (reader))
/**
* GstBitReader:
* @data: Data from which the bit reader will read
@ -56,6 +58,8 @@ gboolean gst_bit_reader_set_pos (GstBitReader *reader, guint pos);
guint gst_bit_reader_get_pos (const GstBitReader *reader);
guint gst_bit_reader_get_remaining (const GstBitReader *reader);
guint gst_bit_reader_get_size (const GstBitReader *reader);
gboolean gst_bit_reader_skip (GstBitReader *reader, guint nbits);
gboolean gst_bit_reader_skip_to_byte (GstBitReader *reader);

19
libs/gst/base/gstbytereader.c
View file

@ -202,7 +202,26 @@ gst_byte_reader_get_remaining (const GstByteReader * reader)
return _gst_byte_reader_get_remaining_inline (reader);
}
/**
* gst_byte_reader_get_size:
* @reader: a #GstByteReader instance
*
* Returns the total number of bytes of a #GstByteReader instance.
*
* Returns: The total number of bytes of @reader instance.
*
* Since: 0.10.25
*/
guint
gst_byte_reader_get_size (const GstByteReader * reader)
{
g_return_val_if_fail (reader != NULL, 0);
return _gst_byte_reader_get_size_inline (reader);
}
#define gst_byte_reader_get_remaining _gst_byte_reader_get_remaining_inline
#define gst_byte_reader_get_size _gst_byte_reader_get_size_inline
/**
* gst_byte_reader_skip:

13
libs/gst/base/gstbytereader.h
View file

@ -26,6 +26,8 @@
G_BEGIN_DECLS
#define GST_BYTE_READER(reader) ((GstByteReader *) (reader))
/**
* GstByteReader:
* @data: Data from which the bit reader will read
@ -53,6 +55,8 @@ gboolean gst_byte_reader_set_pos (GstByteReader *reader, guint pos);
guint gst_byte_reader_get_pos (const GstByteReader *reader);
guint gst_byte_reader_get_remaining (const GstByteReader *reader);
guint gst_byte_reader_get_size (const GstByteReader *reader);
gboolean gst_byte_reader_skip (GstByteReader *reader, guint nbytes);
gboolean gst_byte_reader_get_uint8 (GstByteReader *reader, guint8 *val);
@ -254,6 +258,12 @@ _gst_byte_reader_get_remaining_inline (const GstByteReader * reader)
return reader->size - reader->byte;
}
static inline guint
_gst_byte_reader_get_size_inline (const GstByteReader * reader)
{
return reader->size;
}
#define __GST_BYTE_READER_GET_PEEK_BITS_INLINE(bits,type,name) \
\
static inline gboolean \
@ -311,6 +321,9 @@ __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gdouble,float64_be)
#define gst_byte_reader_get_remaining(reader) \
_gst_byte_reader_get_remaining_inline(reader)
#define gst_byte_reader_get_size(reader) \
_gst_byte_reader_get_size_inline(reader)
/* we use defines here so we can add the G_LIKELY() */
#define gst_byte_reader_get_uint8(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint8_inline(reader,val))