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qtdemux: map some atomparser functions to their new bytereader equivalents

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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
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104
gst/qtdemux/qtatomparser.h
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@ -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)
{