mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-08-03 20:25:07 +00:00
Code Issues 1 Projects Releases Wiki Activity
gstreamer/libs/gst/base/gstbytereader.h
Tim-Philipp Müller 7e2ace8618 base: GST_EXPORT -> GST_BASE_API 
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 00:46:00 +00:00

682 lines
25 KiB
C
Raw Blame History

/* GStreamer byte reader
*
* Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>.
* Copyright (C) 2009 Tim-Philipp Müller <tim centricular net>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_BYTE_READER_H__
#define __GST_BYTE_READER_H__
#include <gst/gst.h>
#include <gst/base/base-prelude.h>
G_BEGIN_DECLS
#define GST_BYTE_READER(reader) ((GstByteReader *) (reader))
/**
* GstByteReader:
* @data: (array length=size): Data from which the bit reader will
* read
* @size: Size of @data in bytes
* @byte: Current byte position
*
* A byte reader instance.
*/
typedef struct {
const guint8 *data;
guint size;
guint byte; /* Byte position */
/* < private > */
gpointer _gst_reserved[GST_PADDING];
} GstByteReader;
GST_BASE_API
GstByteReader * gst_byte_reader_new (const guint8 *data, guint size) G_GNUC_MALLOC;
GST_BASE_API
void gst_byte_reader_free (GstByteReader *reader);
GST_BASE_API
void gst_byte_reader_init (GstByteReader *reader, const guint8 *data, guint size);
GST_BASE_API
gboolean gst_byte_reader_peek_sub_reader (GstByteReader * reader,
GstByteReader * sub_reader,
guint size);
GST_BASE_API
gboolean gst_byte_reader_get_sub_reader (GstByteReader * reader,
GstByteReader * sub_reader,
guint size);
GST_BASE_API
gboolean gst_byte_reader_set_pos (GstByteReader *reader, guint pos);
GST_BASE_API
guint gst_byte_reader_get_pos (const GstByteReader *reader);
GST_BASE_API
guint gst_byte_reader_get_remaining (const GstByteReader *reader);
GST_BASE_API
guint gst_byte_reader_get_size (const GstByteReader *reader);
GST_BASE_API
gboolean gst_byte_reader_skip (GstByteReader *reader, guint nbytes);
GST_BASE_API
gboolean gst_byte_reader_get_uint8 (GstByteReader *reader, guint8 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int8 (GstByteReader *reader, gint8 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint16_le (GstByteReader *reader, guint16 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int16_le (GstByteReader *reader, gint16 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint16_be (GstByteReader *reader, guint16 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int16_be (GstByteReader *reader, gint16 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint24_le (GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int24_le (GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint24_be (GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int24_be (GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint32_le (GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int32_le (GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint32_be (GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int32_be (GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint64_le (GstByteReader *reader, guint64 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int64_le (GstByteReader *reader, gint64 *val);
GST_BASE_API
gboolean gst_byte_reader_get_uint64_be (GstByteReader *reader, guint64 *val);
GST_BASE_API
gboolean gst_byte_reader_get_int64_be (GstByteReader *reader, gint64 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint8 (const GstByteReader *reader, guint8 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int8 (const GstByteReader *reader, gint8 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint16_le (const GstByteReader *reader, guint16 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int16_le (const GstByteReader *reader, gint16 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint16_be (const GstByteReader *reader, guint16 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int16_be (const GstByteReader *reader, gint16 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint24_le (const GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int24_le (const GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint24_be (const GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int24_be (const GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint32_le (const GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int32_le (const GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint32_be (const GstByteReader *reader, guint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int32_be (const GstByteReader *reader, gint32 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint64_le (const GstByteReader *reader, guint64 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int64_le (const GstByteReader *reader, gint64 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_uint64_be (const GstByteReader *reader, guint64 *val);
GST_BASE_API
gboolean gst_byte_reader_peek_int64_be (const GstByteReader *reader, gint64 *val);
GST_BASE_API
gboolean gst_byte_reader_get_float32_le (GstByteReader *reader, gfloat *val);
GST_BASE_API
gboolean gst_byte_reader_get_float32_be (GstByteReader *reader, gfloat *val);
GST_BASE_API
gboolean gst_byte_reader_get_float64_le (GstByteReader *reader, gdouble *val);
GST_BASE_API
gboolean gst_byte_reader_get_float64_be (GstByteReader *reader, gdouble *val);
GST_BASE_API
gboolean gst_byte_reader_peek_float32_le (const GstByteReader *reader, gfloat *val);
GST_BASE_API
gboolean gst_byte_reader_peek_float32_be (const GstByteReader *reader, gfloat *val);
GST_BASE_API
gboolean gst_byte_reader_peek_float64_le (const GstByteReader *reader, gdouble *val);
GST_BASE_API
gboolean gst_byte_reader_peek_float64_be (const GstByteReader *reader, gdouble *val);
GST_BASE_API
gboolean gst_byte_reader_dup_data (GstByteReader * reader, guint size, guint8 ** val);
GST_BASE_API
gboolean gst_byte_reader_get_data (GstByteReader * reader, guint size, const guint8 ** val);
GST_BASE_API
gboolean gst_byte_reader_peek_data (const GstByteReader * reader, guint size, const guint8 ** val);
#define gst_byte_reader_dup_string(reader,str) \
gst_byte_reader_dup_string_utf8(reader,str)
GST_BASE_API
gboolean gst_byte_reader_dup_string_utf8 (GstByteReader * reader, gchar ** str);
GST_BASE_API
gboolean gst_byte_reader_dup_string_utf16 (GstByteReader * reader, guint16 ** str);
GST_BASE_API
gboolean gst_byte_reader_dup_string_utf32 (GstByteReader * reader, guint32 ** str);
#define gst_byte_reader_skip_string(reader) \
gst_byte_reader_skip_string_utf8(reader)
GST_BASE_API
gboolean gst_byte_reader_skip_string_utf8 (GstByteReader * reader);
GST_BASE_API
gboolean gst_byte_reader_skip_string_utf16 (GstByteReader * reader);
GST_BASE_API
gboolean gst_byte_reader_skip_string_utf32 (GstByteReader * reader);
#define gst_byte_reader_get_string(reader,str) \
gst_byte_reader_get_string_utf8(reader,str)
#define gst_byte_reader_peek_string(reader,str) \
gst_byte_reader_peek_string_utf8(reader,str)
GST_BASE_API
gboolean gst_byte_reader_get_string_utf8 (GstByteReader * reader, const gchar ** str);
GST_BASE_API
gboolean gst_byte_reader_peek_string_utf8 (const GstByteReader * reader, const gchar ** str);
GST_BASE_API
guint gst_byte_reader_masked_scan_uint32 (const GstByteReader * reader,
guint32 mask,
guint32 pattern,
guint offset,
guint size);
GST_BASE_API
guint gst_byte_reader_masked_scan_uint32_peek (const GstByteReader * reader,
guint32 mask,
guint32 pattern,
guint offset,
guint size,
guint32 * value);
/**
* GST_BYTE_READER_INIT:
* @data: Data from which the #GstByteReader should read
* @size: Size of @data in bytes
*
* A #GstByteReader must be initialized with this macro, before it can be
* used. This macro can used be to initialize a variable, but it cannot
* be assigned to a variable. In that case you have to use
* gst_byte_reader_init().
*/
#define GST_BYTE_READER_INIT(data, size) {data, size, 0}
/* unchecked variants */
static inline void
gst_byte_reader_skip_unchecked (GstByteReader * reader, guint nbytes)
{
reader->byte += nbytes;
}
#define __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(bits,type,lower,upper,adj) \
\
static inline type \
gst_byte_reader_peek_##lower##_unchecked (const GstByteReader * reader) \
{ \
type val = (type) GST_READ_##upper (reader->data + reader->byte); \
adj \
return val; \
} \
\
static inline type \
gst_byte_reader_get_##lower##_unchecked (GstByteReader * reader) \
{ \
type val = gst_byte_reader_peek_##lower##_unchecked (reader); \
reader->byte += bits / 8; \
return val; \
}
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(8,guint8,uint8,UINT8,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(8,gint8,int8,UINT8,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,guint16,uint16_le,UINT16_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,guint16,uint16_be,UINT16_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,gint16,int16_le,UINT16_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,gint16,int16_be,UINT16_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,guint32,uint32_le,UINT32_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,guint32,uint32_be,UINT32_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gint32,int32_le,UINT32_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gint32,int32_be,UINT32_BE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,guint32,uint24_le,UINT24_LE,/* */)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,guint32,uint24_be,UINT24_BE,/* */)
/* fix up the sign for 24-bit signed ints stored in 32-bit signed ints */
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,gint32,int24_le,UINT24_LE,
if (val & 0x00800000) val |= 0xff000000;)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,gint32,int24_be,UINT24_BE,
if (val & 0x00800000) val |= 0xff000000;)
__GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,guint64,uint64_le,UINT64_LE,/* */)
__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 *
gst_byte_reader_peek_data_unchecked (const GstByteReader * reader)
{
return (const guint8 *) (reader->data + reader->byte);
}
static inline const guint8 *
gst_byte_reader_get_data_unchecked (GstByteReader * reader, guint size)
{
const guint8 *data;
data = gst_byte_reader_peek_data_unchecked (reader);
gst_byte_reader_skip_unchecked (reader, size);
return data;
}
static inline guint8 *
gst_byte_reader_dup_data_unchecked (GstByteReader * reader, guint size)
{
gconstpointer data = gst_byte_reader_get_data_unchecked (reader, size);
return (guint8 *) g_memdup (data, size);
}
/* Unchecked variants that should not be used */
static inline guint
_gst_byte_reader_get_pos_unchecked (const GstByteReader * reader)
{
return reader->byte;
}
static inline guint
_gst_byte_reader_get_remaining_unchecked (const GstByteReader * reader)
{
return reader->size - reader->byte;
}
static inline guint
_gst_byte_reader_get_size_unchecked (const GstByteReader * reader)
{
return reader->size;
}
/* inlined variants (do not use directly) */
static inline guint
_gst_byte_reader_get_remaining_inline (const GstByteReader * reader)
{
g_return_val_if_fail (reader != NULL, 0);
return _gst_byte_reader_get_remaining_unchecked (reader);
}
static inline guint
_gst_byte_reader_get_size_inline (const GstByteReader * reader)
{
g_return_val_if_fail (reader != NULL, 0);
return _gst_byte_reader_get_size_unchecked (reader);
}
#define __GST_BYTE_READER_GET_PEEK_BITS_INLINE(bits,type,name) \
\
static inline gboolean \
_gst_byte_reader_peek_##name##_inline (const GstByteReader * reader, type * val) \
{ \
g_return_val_if_fail (reader != NULL, FALSE); \
g_return_val_if_fail (val != NULL, FALSE); \
\
if (_gst_byte_reader_get_remaining_unchecked (reader) < (bits / 8)) \
return FALSE; \
\
*val = gst_byte_reader_peek_##name##_unchecked (reader); \
return TRUE; \
} \
\
static inline gboolean \
_gst_byte_reader_get_##name##_inline (GstByteReader * reader, type * val) \
{ \
g_return_val_if_fail (reader != NULL, FALSE); \
g_return_val_if_fail (val != NULL, FALSE); \
\
if (_gst_byte_reader_get_remaining_unchecked (reader) < (bits / 8)) \
return FALSE; \
\
*val = gst_byte_reader_get_##name##_unchecked (reader); \
return TRUE; \
}
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(8,guint8,uint8)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(8,gint8,int8)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,guint16,uint16_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,guint16,uint16_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,gint16,int16_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,gint16,int16_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,guint32,uint32_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,guint32,uint32_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gint32,int32_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gint32,int32_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,guint32,uint24_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,guint32,uint24_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,gint32,int24_le)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,gint32,int24_be)
__GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,guint64,uint64_le)
__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
#define gst_byte_reader_init(reader,data,size) \
_gst_byte_reader_init_inline(reader,data,size)
#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)
#define gst_byte_reader_get_pos(reader) \
_gst_byte_reader_get_pos_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))
#define gst_byte_reader_get_int8(reader,val) \
G_LIKELY(_gst_byte_reader_get_int8_inline(reader,val))
#define gst_byte_reader_get_uint16_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint16_le_inline(reader,val))
#define gst_byte_reader_get_int16_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_int16_le_inline(reader,val))
#define gst_byte_reader_get_uint16_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint16_be_inline(reader,val))
#define gst_byte_reader_get_int16_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_int16_be_inline(reader,val))
#define gst_byte_reader_get_uint24_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint24_le_inline(reader,val))
#define gst_byte_reader_get_int24_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_int24_le_inline(reader,val))
#define gst_byte_reader_get_uint24_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint24_be_inline(reader,val))
#define gst_byte_reader_get_int24_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_int24_be_inline(reader,val))
#define gst_byte_reader_get_uint32_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint32_le_inline(reader,val))
#define gst_byte_reader_get_int32_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_int32_le_inline(reader,val))
#define gst_byte_reader_get_uint32_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint32_be_inline(reader,val))
#define gst_byte_reader_get_int32_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_int32_be_inline(reader,val))
#define gst_byte_reader_get_uint64_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint64_le_inline(reader,val))
#define gst_byte_reader_get_int64_le(reader,val) \
G_LIKELY(_gst_byte_reader_get_int64_le_inline(reader,val))
#define gst_byte_reader_get_uint64_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_uint64_be_inline(reader,val))
#define gst_byte_reader_get_int64_be(reader,val) \
G_LIKELY(_gst_byte_reader_get_int64_be_inline(reader,val))
#define gst_byte_reader_peek_uint8(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint8_inline(reader,val))
#define gst_byte_reader_peek_int8(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int8_inline(reader,val))
#define gst_byte_reader_peek_uint16_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint16_le_inline(reader,val))
#define gst_byte_reader_peek_int16_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int16_le_inline(reader,val))
#define gst_byte_reader_peek_uint16_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint16_be_inline(reader,val))
#define gst_byte_reader_peek_int16_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int16_be_inline(reader,val))
#define gst_byte_reader_peek_uint24_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint24_le_inline(reader,val))
#define gst_byte_reader_peek_int24_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int24_le_inline(reader,val))
#define gst_byte_reader_peek_uint24_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint24_be_inline(reader,val))
#define gst_byte_reader_peek_int24_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int24_be_inline(reader,val))
#define gst_byte_reader_peek_uint32_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint32_le_inline(reader,val))
#define gst_byte_reader_peek_int32_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int32_le_inline(reader,val))
#define gst_byte_reader_peek_uint32_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint32_be_inline(reader,val))
#define gst_byte_reader_peek_int32_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int32_be_inline(reader,val))
#define gst_byte_reader_peek_uint64_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint64_le_inline(reader,val))
#define gst_byte_reader_peek_int64_le(reader,val) \
G_LIKELY(_gst_byte_reader_peek_int64_le_inline(reader,val))
#define gst_byte_reader_peek_uint64_be(reader,val) \
G_LIKELY(_gst_byte_reader_peek_uint64_be_inline(reader,val))
#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 */
static inline void
_gst_byte_reader_init_inline (GstByteReader * reader, const guint8 * data, guint size)
{
g_return_if_fail (reader != NULL);
reader->data = data;
reader->size = size;
reader->byte = 0;
}
static inline gboolean
_gst_byte_reader_peek_sub_reader_inline (GstByteReader * reader,
GstByteReader * sub_reader, guint size)
{
g_return_val_if_fail (reader != NULL, FALSE);
g_return_val_if_fail (sub_reader != NULL, FALSE);
if (_gst_byte_reader_get_remaining_unchecked (reader) < size)
return FALSE;
sub_reader->data = reader->data + reader->byte;
sub_reader->byte = 0;
sub_reader->size = size;
return TRUE;
}
static inline gboolean
_gst_byte_reader_get_sub_reader_inline (GstByteReader * reader,
GstByteReader * sub_reader, guint size)
{
if (!_gst_byte_reader_peek_sub_reader_inline (reader, sub_reader, size))
return FALSE;
gst_byte_reader_skip_unchecked (reader, size);
return TRUE;
}
static inline gboolean
_gst_byte_reader_dup_data_inline (GstByteReader * reader, guint size, guint8 ** val)
{
g_return_val_if_fail (reader != NULL, FALSE);
g_return_val_if_fail (val != NULL, FALSE);
if (G_UNLIKELY (size > reader->size || _gst_byte_reader_get_remaining_unchecked (reader) < size))
return FALSE;
*val = gst_byte_reader_dup_data_unchecked (reader, size);
return TRUE;
}
static inline gboolean
_gst_byte_reader_get_data_inline (GstByteReader * reader, guint size, const guint8 ** val)
{
g_return_val_if_fail (reader != NULL, FALSE);
g_return_val_if_fail (val != NULL, FALSE);
if (G_UNLIKELY (size > reader->size || _gst_byte_reader_get_remaining_unchecked (reader) < size))
return FALSE;
*val = gst_byte_reader_get_data_unchecked (reader, size);
return TRUE;
}
static inline gboolean
_gst_byte_reader_peek_data_inline (const GstByteReader * reader, guint size, const guint8 ** val)
{
g_return_val_if_fail (reader != NULL, FALSE);
g_return_val_if_fail (val != NULL, FALSE);
if (G_UNLIKELY (size > reader->size || _gst_byte_reader_get_remaining_unchecked (reader) < size))
return FALSE;
*val = gst_byte_reader_peek_data_unchecked (reader);
return TRUE;
}
static inline guint
_gst_byte_reader_get_pos_inline (const GstByteReader * reader)
{
g_return_val_if_fail (reader != NULL, 0);
return _gst_byte_reader_get_pos_unchecked (reader);
}
static inline gboolean
_gst_byte_reader_skip_inline (GstByteReader * reader, guint nbytes)
{
g_return_val_if_fail (reader != NULL, FALSE);
if (G_UNLIKELY (_gst_byte_reader_get_remaining_unchecked (reader) < nbytes))
return FALSE;
reader->byte += nbytes;
return TRUE;
}
#ifndef GST_BYTE_READER_DISABLE_INLINES
#define gst_byte_reader_dup_data(reader,size,val) \
G_LIKELY(_gst_byte_reader_dup_data_inline(reader,size,val))
#define gst_byte_reader_get_data(reader,size,val) \
G_LIKELY(_gst_byte_reader_get_data_inline(reader,size,val))
#define gst_byte_reader_peek_data(reader,size,val) \
G_LIKELY(_gst_byte_reader_peek_data_inline(reader,size,val))
#define gst_byte_reader_skip(reader,nbytes) \
G_LIKELY(_gst_byte_reader_skip_inline(reader,nbytes))
#endif /* GST_BYTE_READER_DISABLE_INLINES */
G_END_DECLS
#endif /* __GST_BYTE_READER_H__ */
Reference in a new issue View git blame Copy permalink