mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-07-10 08:35:58 +00:00
Code Issues 1 Projects Releases Wiki Activity

qtdemux: map some atomparser functions to their new bytereader equivalents

Browse source 
Now that GstByteReader has unchecked and inlined variants as well, map
atomparser functions to their respective bytereader equivalents.
This commit is contained in:
Tim-Philipp Müller 2009-09-24 13:20:50 +01:00
parent 0f197776e1
commit fab4113c24
1 changed files with 26 additions and 78 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

104
gst/qtdemux/qtatomparser.h
View file

@ -26,24 +26,9 @@
typedef GstByteReader QtAtomParser;
static inline void
qt_atom_parser_init (QtAtomParser * parser, const guint8 * data, guint size)
{
gst_byte_reader_init (parser, data, size);
}
static inline guint
qt_atom_parser_get_remaining (QtAtomParser * parser)
{
return parser->size - parser->byte;
}
static inline gboolean
qt_atom_parser_has_remaining (QtAtomParser * parser, guint64 min_remaining)
{
return G_LIKELY (parser->size >= min_remaining) &&
G_LIKELY ((parser->size - min_remaining) >= parser->byte);
}
#define qt_atom_parser_init gst_byte_reader_init
#define qt_atom_parser_get_remaining gst_byte_reader_get_remaining
#define qt_atom_parser_has_remaining gst_byte_reader_has_remaining
static inline gboolean
qt_atom_parser_has_chunks (QtAtomParser * parser, guint32 n_chunks,
@ -54,65 +39,34 @@ qt_atom_parser_has_chunks (QtAtomParser * parser, guint32 n_chunks,
return qt_atom_parser_has_remaining (parser, (guint64) n_chunks * chunk_size);
}
static inline gboolean
qt_atom_parser_skip (QtAtomParser * parser, guint nbytes)
{
if (G_UNLIKELY (qt_atom_parser_get_remaining (parser) < nbytes))
return FALSE;
#define qt_atom_parser_skip gst_byte_reader_skip
#define qt_atom_parser_skip_unchecked gst_byte_reader_skip_unchecked
parser->byte += nbytes;
return TRUE;
}
#define qt_atom_parser_get_uint8 gst_byte_reader_get_uint8
#define qt_atom_parser_get_uint16 gst_byte_reader_get_uint16_be
#define qt_atom_parser_get_uint24 gst_byte_reader_get_uint24_be
#define qt_atom_parser_get_uint32 gst_byte_reader_get_uint32_be
#define qt_atom_parser_get_uint64 gst_byte_reader_get_uint64_be
static inline void
qt_atom_parser_skip_unchecked (QtAtomParser * parser, guint nbytes)
{
parser->byte += nbytes;
}
#define qt_atom_parser_peek_uint8 gst_byte_reader_peek_uint8
#define qt_atom_parser_peek_uint16 gst_byte_reader_peek_uint16_be
#define qt_atom_parser_peek_uint24 gst_byte_reader_peek_uint24_be
#define qt_atom_parser_peek_uint32 gst_byte_reader_peek_uint32_be
#define qt_atom_parser_peek_uint64 gst_byte_reader_peek_uint64_be
#ifndef GST_READ_UINT8_BE
#define GST_READ_UINT8_BE GST_READ_UINT8
#endif
#define qt_atom_parser_get_uint8_unchecked gst_byte_reader_get_uint8_unchecked
#define qt_atom_parser_get_uint16_unchecked gst_byte_reader_get_uint16_be_unchecked
#define qt_atom_parser_get_uint24_unchecked gst_byte_reader_get_uint24_be_unchecked
#define qt_atom_parser_get_uint32_unchecked gst_byte_reader_get_uint32_be_unchecked
#define qt_atom_parser_get_uint64_unchecked gst_byte_reader_get_uint64_be_unchecked
#define _QT_ATOM_PARSER_GET_PEEK_BITS(bits,typebits) \
static inline gboolean \
qt_atom_parser_get_uint##bits (QtAtomParser * parser, guint##typebits * val) \
{ \
if (G_UNLIKELY (qt_atom_parser_get_remaining (parser) < (bits / 8))) \
return FALSE; \
*val = GST_READ_UINT##bits##_BE (parser->data + parser->byte); \
parser->byte += bits / 8; \
return TRUE; \
} \
\
static inline gboolean \
qt_atom_parser_peek_uint##bits (QtAtomParser * parser, guint##typebits * val) \
{ \
if (G_UNLIKELY (qt_atom_parser_get_remaining (parser) < (bits / 8))) \
return FALSE; \
*val = GST_READ_UINT##bits##_BE (parser->data + parser->byte); \
return TRUE; \
} \
\
static inline guint##typebits \
qt_atom_parser_get_uint##bits##_unchecked (QtAtomParser * parser) \
{ \
guint##typebits val = GST_READ_UINT##bits##_BE (parser->data + parser->byte); \
parser->byte += bits / 8; \
return val; \
} \
\
static inline guint##typebits \
qt_atom_parser_peek_uint##bits##_unchecked (QtAtomParser * parser) \
{ \
return GST_READ_UINT##bits##_BE (parser->data + parser->byte); \
}
#define qt_atom_parser_peek_uint8_unchecked gst_byte_reader_peek_uint8_unchecked
#define qt_atom_parser_peek_uint16_unchecked gst_byte_reader_peek_uint16_be_unchecked
#define qt_atom_parser_peek_uint24_unchecked gst_byte_reader_peek_uint24_be_unchecked
#define qt_atom_parser_peek_uint32_unchecked gst_byte_reader_peek_uint32_be_unchecked
#define qt_atom_parser_peek_uint64_unchecked gst_byte_reader_peek_uint64_be_unchecked
_QT_ATOM_PARSER_GET_PEEK_BITS(8,8);
_QT_ATOM_PARSER_GET_PEEK_BITS(16,16);
_QT_ATOM_PARSER_GET_PEEK_BITS(24,32);
_QT_ATOM_PARSER_GET_PEEK_BITS(32,32);
_QT_ATOM_PARSER_GET_PEEK_BITS(64,64);
#define qt_atom_parser_peek_bytes_unchecked gst_byte_reader_peek_data_unchecked
static inline gboolean
qt_atom_parser_peek_sub (QtAtomParser * parser, guint offset, guint size,
@ -164,12 +118,6 @@ qt_atom_parser_get_offset_unchecked (QtAtomParser * parser, guint off_size)
}
}
static inline guint8 *
qt_atom_parser_peek_bytes_unchecked (QtAtomParser * parser)
{
return (guint8 *) parser->data + parser->byte;
}
static inline gboolean
qt_atom_parser_get_fourcc (QtAtomParser * parser, guint32 * fourcc)
{