bytereader: add unchecked and inline versions of the float getters/peekers

API: gst_byte_reader_get_float*_unchecked()
This commit is contained in:
Tim-Philipp Müller 2009-09-04 17:15:35 +01:00
parent 31ab124487
commit 4c103b00b5
4 changed files with 158 additions and 84 deletions

View file

@ -508,6 +508,16 @@ gst_byte_reader_peek_uint32_le_unchecked
gst_byte_reader_peek_uint64_be_unchecked
gst_byte_reader_peek_uint64_le_unchecked
gst_byte_reader_get_float32_le_unchecked
gst_byte_reader_get_float32_be_unchecked
gst_byte_reader_get_float64_le_unchecked
gst_byte_reader_get_float64_be_unchecked
gst_byte_reader_peek_float32_le_unchecked
gst_byte_reader_peek_float32_be_unchecked
gst_byte_reader_peek_float64_le_unchecked
gst_byte_reader_peek_float64_be_unchecked
gst_byte_reader_dup_data_unchecked
gst_byte_reader_get_data_unchecked
gst_byte_reader_peek_data_unchecked

View file

@ -505,6 +505,104 @@ gint64 gst_byte_reader_get_int64_be_unchecked (GstByteReader * reader);
gint64 gst_byte_reader_peek_int64_le_unchecked (GstByteReader * reader);
gint64 gst_byte_reader_peek_int64_be_unchecked (GstByteReader * reader);
/**
* gst_byte_reader_get_float32_le_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 32 bit little endian float without checking if there is enough
* data available and update the current position.
*
* Returns: floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_peek_float32_le_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 32 bit little endian float without checking if there is enough
* data available, but keep the current position.
*
* Returns: floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_get_float32_be_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 32 bit big endian float without checking if there is enough
* data available and update the current position.
*
* Returns: floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_peek_float32_be_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 32 bit big endian float without checking if there is enough
* data available, but keep the current position.
*
* Returns: floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_get_float64_le_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 64 bit little endian float without checking if there is enough
* data available and update the current position.
*
* Returns: double precision floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_peek_float64_le_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 64 bit little endian float without checking if there is enough
* data available, but keep the current position.
*
* Returns: double precision floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_get_float64_be_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 64 bit big endian float without checking if there is enough
* data available and update the current position.
*
* Returns: double precision floating point value read
*
* Since: 0.10.25
*/
/**
* gst_byte_reader_peek_float64_be_unchecked:
* @reader: a #GstByteReader instance
*
* Read a 64 bit big endian float without checking if there is enough
* data available, but keep the current position.
*
* Returns: double precision floating point value read
*
* Since: 0.10.25
*/
gfloat gst_byte_reader_get_float32_le_unchecked (GstByteReader * reader);
gfloat gst_byte_reader_get_float32_be_unchecked (GstByteReader * reader);
gdouble gst_byte_reader_get_float64_le_unchecked (GstByteReader * reader);
gdouble gst_byte_reader_get_float64_be_unchecked (GstByteReader * reader);
gfloat gst_byte_reader_peek_float32_le_unchecked (GstByteReader * reader);
gfloat gst_byte_reader_peek_float32_be_unchecked (GstByteReader * reader);
gdouble gst_byte_reader_peek_float64_le_unchecked (GstByteReader * reader);
gdouble gst_byte_reader_peek_float64_be_unchecked (GstByteReader * reader);
/**
* gst_byte_reader_peek_data_unchecked:

View file

@ -693,7 +693,7 @@ gst_byte_reader_skip (GstByteReader * reader, guint nbytes)
* Since: 0.10.22
*/
#define GST_BYTE_READER_PEEK_GET_INTS(bits,type,name) \
#define GST_BYTE_READER_PEEK_GET(bits,type,name) \
gboolean \
gst_byte_reader_get_##name (GstByteReader * reader, type * val) \
{ \
@ -712,28 +712,28 @@ gst_byte_reader_peek_##name (GstByteReader * reader, type * val) \
return _gst_byte_reader_peek_##name##_inline (reader, val); \
}
GST_BYTE_READER_PEEK_GET_INTS(8,guint8,uint8)
GST_BYTE_READER_PEEK_GET_INTS(8,gint8,int8)
GST_BYTE_READER_PEEK_GET(8,guint8,uint8)
GST_BYTE_READER_PEEK_GET(8,gint8,int8)
GST_BYTE_READER_PEEK_GET_INTS(16,guint16,uint16_le)
GST_BYTE_READER_PEEK_GET_INTS(16,guint16,uint16_be)
GST_BYTE_READER_PEEK_GET_INTS(16,gint16,int16_le)
GST_BYTE_READER_PEEK_GET_INTS(16,gint16,int16_be)
GST_BYTE_READER_PEEK_GET(16,guint16,uint16_le)
GST_BYTE_READER_PEEK_GET(16,guint16,uint16_be)
GST_BYTE_READER_PEEK_GET(16,gint16,int16_le)
GST_BYTE_READER_PEEK_GET(16,gint16,int16_be)
GST_BYTE_READER_PEEK_GET_INTS(24,guint32,uint24_le)
GST_BYTE_READER_PEEK_GET_INTS(24,guint32,uint24_be)
GST_BYTE_READER_PEEK_GET_INTS(24,gint32,int24_le)
GST_BYTE_READER_PEEK_GET_INTS(24,gint32,int24_be)
GST_BYTE_READER_PEEK_GET(24,guint32,uint24_le)
GST_BYTE_READER_PEEK_GET(24,guint32,uint24_be)
GST_BYTE_READER_PEEK_GET(24,gint32,int24_le)
GST_BYTE_READER_PEEK_GET(24,gint32,int24_be)
GST_BYTE_READER_PEEK_GET_INTS(32,guint32,uint32_le)
GST_BYTE_READER_PEEK_GET_INTS(32,guint32,uint32_be)
GST_BYTE_READER_PEEK_GET_INTS(32,gint32,int32_le)
GST_BYTE_READER_PEEK_GET_INTS(32,gint32,int32_be)
GST_BYTE_READER_PEEK_GET(32,guint32,uint32_le)
GST_BYTE_READER_PEEK_GET(32,guint32,uint32_be)
GST_BYTE_READER_PEEK_GET(32,gint32,int32_le)
GST_BYTE_READER_PEEK_GET(32,gint32,int32_be)
GST_BYTE_READER_PEEK_GET_INTS(64,guint64,uint64_le)
GST_BYTE_READER_PEEK_GET_INTS(64,guint64,uint64_be)
GST_BYTE_READER_PEEK_GET_INTS(64,gint64,int64_le)
GST_BYTE_READER_PEEK_GET_INTS(64,gint64,int64_be)
GST_BYTE_READER_PEEK_GET(64,guint64,uint64_le)
GST_BYTE_READER_PEEK_GET(64,guint64,uint64_be)
GST_BYTE_READER_PEEK_GET(64,gint64,int64_le)
GST_BYTE_READER_PEEK_GET(64,gint64,int64_be)
/**
* gst_byte_reader_get_float32_le:
@ -839,60 +839,10 @@ GST_BYTE_READER_PEEK_GET_INTS(64,gint64,int64_be)
* 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_return_val_if_fail (reader != NULL, FALSE); \
g_return_val_if_fail (val != NULL, FALSE); \
\
if (gst_byte_reader_get_remaining (reader) < bits / 8) \
return FALSE; \
\
*val = GST_READ_##TYPE##_LE (&reader->data[reader->byte]); \
reader->byte += bits / 8; \
return TRUE; \
} \
gboolean \
gst_byte_reader_get_float##bits##_be (GstByteReader *reader, g##type *val) \
{ \
g_return_val_if_fail (reader != NULL, FALSE); \
g_return_val_if_fail (val != NULL, FALSE); \
\
if (gst_byte_reader_get_remaining (reader) < bits / 8) \
return FALSE; \
\
*val = GST_READ_##TYPE##_BE (&reader->data[reader->byte]); \
reader->byte += bits / 8; \
return TRUE; \
} \
gboolean \
gst_byte_reader_peek_float##bits##_le (GstByteReader *reader, g##type *val) \
{ \
g_return_val_if_fail (reader != NULL, FALSE); \
g_return_val_if_fail (val != NULL, FALSE); \
\
if (gst_byte_reader_get_remaining (reader) < bits / 8) \
return FALSE; \
\
*val = GST_READ_##TYPE##_LE (&reader->data[reader->byte]); \
return TRUE; \
} \
gboolean \
gst_byte_reader_peek_float##bits##_be (GstByteReader *reader, g##type *val) \
{ \
g_return_val_if_fail (reader != NULL, FALSE); \
g_return_val_if_fail (val != NULL, FALSE); \
\
if (gst_byte_reader_get_remaining (reader) < bits / 8) \
return FALSE; \
\
*val = GST_READ_##TYPE##_BE (&reader->data[reader->byte]); \
return TRUE; \
}
GST_BYTE_READER_READ_FLOATS (32, float, FLOAT);
GST_BYTE_READER_READ_FLOATS (64, double, DOUBLE);
GST_BYTE_READER_PEEK_GET(32,gfloat,float32_le)
GST_BYTE_READER_PEEK_GET(32,gfloat,float32_be)
GST_BYTE_READER_PEEK_GET(64,gdouble,float64_le)
GST_BYTE_READER_PEEK_GET(64,gdouble,float64_be)
/**
* gst_byte_reader_get_data:

View file

@ -217,6 +217,11 @@ __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,guint64,uint64_be,UINT64_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gint64,int64_le,UINT64_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gint64,int64_be,UINT64_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gfloat,float32_le,FLOAT_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gfloat,float32_be,FLOAT_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gdouble,float64_le,DOUBLE_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gdouble,float64_be,DOUBLE_BE,/* */)
#undef __GET_PEEK_BITS_UNCHECKED
static inline const guint8 *
@ -294,6 +299,11 @@ __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,guint64,uint64_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gint64,int64_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gint64,int64_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gfloat,float32_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gfloat,float32_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gdouble,float64_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gdouble,float64_be)
#undef __GST_BYTE_READER_GET_PEEK_BITS_INLINE
#ifndef GST_BYTE_READER_DISABLE_INLINES
@ -376,19 +386,25 @@ __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gint64,int64_be)
#define gst_byte_reader_peek_int64_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int64_be_inline(reader,val))
#define gst_byte_reader_get_float32_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_float32_le_inline(reader,val))
#define gst_byte_reader_get_float32_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_float32_be_inline(reader,val))
#define gst_byte_reader_get_float64_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_float64_le_inline(reader,val))
#define gst_byte_reader_get_float64_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_float64_be_inline(reader,val))
#define gst_byte_reader_peek_float32_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_float32_le_inline(reader,val))
#define gst_byte_reader_peek_float32_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_float32_be_inline(reader,val))
#define gst_byte_reader_peek_float64_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_float64_le_inline(reader,val))
#define gst_byte_reader_peek_float64_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_float64_be_inline(reader,val))
#endif /* GST_BYTE_READER_DISABLE_INLINES */
// FIXME:
//gboolean gst_byte_reader_get_float32_le (GstByteReader *reader, gfloat *val);
//gboolean gst_byte_reader_get_float32_be (GstByteReader *reader, gfloat *val);
//gboolean gst_byte_reader_get_float64_le (GstByteReader *reader, gdouble *val);
//gboolean gst_byte_reader_get_float64_be (GstByteReader *reader, gdouble *val);
//gboolean gst_byte_reader_peek_float32_le (GstByteReader *reader, gfloat *val);
//gboolean gst_byte_reader_peek_float32_be (GstByteReader *reader, gfloat *val);
//gboolean gst_byte_reader_peek_float64_le (GstByteReader *reader, gdouble *val);
//gboolean gst_byte_reader_peek_float64_be (GstByteReader *reader, gdouble *val);
static inline gboolean
_gst_byte_reader_dup_data_inline (GstByteReader * reader, guint size, guint8 ** val)
{