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- /* 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>
- 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;
- GstByteReader * gst_byte_reader_new (const guint8 *data, guint size) G_GNUC_MALLOC;
- void gst_byte_reader_free (GstByteReader *reader);
- void gst_byte_reader_init (GstByteReader *reader, const guint8 *data, guint size);
- gboolean gst_byte_reader_peek_sub_reader (GstByteReader * reader,
- GstByteReader * sub_reader,
- guint size);
- gboolean gst_byte_reader_get_sub_reader (GstByteReader * reader,
- GstByteReader * sub_reader,
- guint size);
- 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);
- gboolean gst_byte_reader_get_int8 (GstByteReader *reader, gint8 *val);
- gboolean gst_byte_reader_get_uint16_le (GstByteReader *reader, guint16 *val);
- gboolean gst_byte_reader_get_int16_le (GstByteReader *reader, gint16 *val);
- gboolean gst_byte_reader_get_uint16_be (GstByteReader *reader, guint16 *val);
- gboolean gst_byte_reader_get_int16_be (GstByteReader *reader, gint16 *val);
- gboolean gst_byte_reader_get_uint24_le (GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_get_int24_le (GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_get_uint24_be (GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_get_int24_be (GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_get_uint32_le (GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_get_int32_le (GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_get_uint32_be (GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_get_int32_be (GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_get_uint64_le (GstByteReader *reader, guint64 *val);
- gboolean gst_byte_reader_get_int64_le (GstByteReader *reader, gint64 *val);
- gboolean gst_byte_reader_get_uint64_be (GstByteReader *reader, guint64 *val);
- gboolean gst_byte_reader_get_int64_be (GstByteReader *reader, gint64 *val);
- gboolean gst_byte_reader_peek_uint8 (const GstByteReader *reader, guint8 *val);
- gboolean gst_byte_reader_peek_int8 (const GstByteReader *reader, gint8 *val);
- gboolean gst_byte_reader_peek_uint16_le (const GstByteReader *reader, guint16 *val);
- gboolean gst_byte_reader_peek_int16_le (const GstByteReader *reader, gint16 *val);
- gboolean gst_byte_reader_peek_uint16_be (const GstByteReader *reader, guint16 *val);
- gboolean gst_byte_reader_peek_int16_be (const GstByteReader *reader, gint16 *val);
- gboolean gst_byte_reader_peek_uint24_le (const GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_peek_int24_le (const GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_peek_uint24_be (const GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_peek_int24_be (const GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_peek_uint32_le (const GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_peek_int32_le (const GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_peek_uint32_be (const GstByteReader *reader, guint32 *val);
- gboolean gst_byte_reader_peek_int32_be (const GstByteReader *reader, gint32 *val);
- gboolean gst_byte_reader_peek_uint64_le (const GstByteReader *reader, guint64 *val);
- gboolean gst_byte_reader_peek_int64_le (const GstByteReader *reader, gint64 *val);
- gboolean gst_byte_reader_peek_uint64_be (const GstByteReader *reader, guint64 *val);
- gboolean gst_byte_reader_peek_int64_be (const GstByteReader *reader, gint64 *val);
- 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 (const GstByteReader *reader, gfloat *val);
- gboolean gst_byte_reader_peek_float32_be (const GstByteReader *reader, gfloat *val);
- gboolean gst_byte_reader_peek_float64_le (const GstByteReader *reader, gdouble *val);
- gboolean gst_byte_reader_peek_float64_be (const GstByteReader *reader, gdouble *val);
- gboolean gst_byte_reader_dup_data (GstByteReader * reader, guint size, guint8 ** val);
- gboolean gst_byte_reader_get_data (GstByteReader * reader, guint size, const guint8 ** val);
- 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)
- gboolean gst_byte_reader_dup_string_utf8 (GstByteReader * reader, gchar ** str);
- gboolean gst_byte_reader_dup_string_utf16 (GstByteReader * reader, guint16 ** str);
- 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)
- gboolean gst_byte_reader_skip_string_utf8 (GstByteReader * reader);
- gboolean gst_byte_reader_skip_string_utf16 (GstByteReader * reader);
- 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)
- gboolean gst_byte_reader_get_string_utf8 (GstByteReader * reader, const gchar ** str);
- gboolean gst_byte_reader_peek_string_utf8 (const GstByteReader * reader, const gchar ** str);
- guint gst_byte_reader_masked_scan_uint32 (const GstByteReader * reader,
- guint32 mask,
- guint32 pattern,
- guint offset,
- guint size);
- 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__ */
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