1 /* GStreamer byte reader
3 * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>.
4 * Copyright (C) 2009 Tim-Philipp Müller <tim centricular net>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef __GST_BYTE_READER_H__
23 #define __GST_BYTE_READER_H__
29 #define GST_BYTE_READER(reader) ((GstByteReader *) (reader))
33 * @data: Data from which the bit reader will read
34 * @size: Size of @data in bytes
35 * @byte: Current byte position
37 * A byte reader instance.
43 guint byte; /* Byte position */
46 GstByteReader * gst_byte_reader_new (const guint8 *data, guint size);
47 GstByteReader * gst_byte_reader_new_from_buffer (const GstBuffer *buffer);
48 void gst_byte_reader_free (GstByteReader *reader);
50 void gst_byte_reader_init (GstByteReader *reader, const guint8 *data, guint size);
51 void gst_byte_reader_init_from_buffer (GstByteReader *reader, const GstBuffer *buffer);
53 gboolean gst_byte_reader_set_pos (GstByteReader *reader, guint pos);
55 guint gst_byte_reader_get_pos (const GstByteReader *reader);
56 guint gst_byte_reader_get_remaining (const GstByteReader *reader);
58 guint gst_byte_reader_get_size (const GstByteReader *reader);
60 gboolean gst_byte_reader_skip (GstByteReader *reader, guint nbytes);
62 gboolean gst_byte_reader_get_uint8 (GstByteReader *reader, guint8 *val);
63 gboolean gst_byte_reader_get_int8 (GstByteReader *reader, gint8 *val);
64 gboolean gst_byte_reader_get_uint16_le (GstByteReader *reader, guint16 *val);
65 gboolean gst_byte_reader_get_int16_le (GstByteReader *reader, gint16 *val);
66 gboolean gst_byte_reader_get_uint16_be (GstByteReader *reader, guint16 *val);
67 gboolean gst_byte_reader_get_int16_be (GstByteReader *reader, gint16 *val);
68 gboolean gst_byte_reader_get_uint24_le (GstByteReader *reader, guint32 *val);
69 gboolean gst_byte_reader_get_int24_le (GstByteReader *reader, gint32 *val);
70 gboolean gst_byte_reader_get_uint24_be (GstByteReader *reader, guint32 *val);
71 gboolean gst_byte_reader_get_int24_be (GstByteReader *reader, gint32 *val);
72 gboolean gst_byte_reader_get_uint32_le (GstByteReader *reader, guint32 *val);
73 gboolean gst_byte_reader_get_int32_le (GstByteReader *reader, gint32 *val);
74 gboolean gst_byte_reader_get_uint32_be (GstByteReader *reader, guint32 *val);
75 gboolean gst_byte_reader_get_int32_be (GstByteReader *reader, gint32 *val);
76 gboolean gst_byte_reader_get_uint64_le (GstByteReader *reader, guint64 *val);
77 gboolean gst_byte_reader_get_int64_le (GstByteReader *reader, gint64 *val);
78 gboolean gst_byte_reader_get_uint64_be (GstByteReader *reader, guint64 *val);
79 gboolean gst_byte_reader_get_int64_be (GstByteReader *reader, gint64 *val);
81 gboolean gst_byte_reader_peek_uint8 (GstByteReader *reader, guint8 *val);
82 gboolean gst_byte_reader_peek_int8 (GstByteReader *reader, gint8 *val);
83 gboolean gst_byte_reader_peek_uint16_le (GstByteReader *reader, guint16 *val);
84 gboolean gst_byte_reader_peek_int16_le (GstByteReader *reader, gint16 *val);
85 gboolean gst_byte_reader_peek_uint16_be (GstByteReader *reader, guint16 *val);
86 gboolean gst_byte_reader_peek_int16_be (GstByteReader *reader, gint16 *val);
87 gboolean gst_byte_reader_peek_uint24_le (GstByteReader *reader, guint32 *val);
88 gboolean gst_byte_reader_peek_int24_le (GstByteReader *reader, gint32 *val);
89 gboolean gst_byte_reader_peek_uint24_be (GstByteReader *reader, guint32 *val);
90 gboolean gst_byte_reader_peek_int24_be (GstByteReader *reader, gint32 *val);
91 gboolean gst_byte_reader_peek_uint32_le (GstByteReader *reader, guint32 *val);
92 gboolean gst_byte_reader_peek_int32_le (GstByteReader *reader, gint32 *val);
93 gboolean gst_byte_reader_peek_uint32_be (GstByteReader *reader, guint32 *val);
94 gboolean gst_byte_reader_peek_int32_be (GstByteReader *reader, gint32 *val);
95 gboolean gst_byte_reader_peek_uint64_le (GstByteReader *reader, guint64 *val);
96 gboolean gst_byte_reader_peek_int64_le (GstByteReader *reader, gint64 *val);
97 gboolean gst_byte_reader_peek_uint64_be (GstByteReader *reader, guint64 *val);
98 gboolean gst_byte_reader_peek_int64_be (GstByteReader *reader, gint64 *val);
100 gboolean gst_byte_reader_get_float32_le (GstByteReader *reader, gfloat *val);
101 gboolean gst_byte_reader_get_float32_be (GstByteReader *reader, gfloat *val);
102 gboolean gst_byte_reader_get_float64_le (GstByteReader *reader, gdouble *val);
103 gboolean gst_byte_reader_get_float64_be (GstByteReader *reader, gdouble *val);
105 gboolean gst_byte_reader_peek_float32_le (GstByteReader *reader, gfloat *val);
106 gboolean gst_byte_reader_peek_float32_be (GstByteReader *reader, gfloat *val);
107 gboolean gst_byte_reader_peek_float64_le (GstByteReader *reader, gdouble *val);
108 gboolean gst_byte_reader_peek_float64_be (GstByteReader *reader, gdouble *val);
110 gboolean gst_byte_reader_dup_data (GstByteReader * reader, guint size, guint8 ** val);
111 gboolean gst_byte_reader_get_data (GstByteReader * reader, guint size, const guint8 ** val);
112 gboolean gst_byte_reader_peek_data (GstByteReader * reader, guint size, const guint8 ** val);
114 #define gst_byte_reader_dup_string(reader,str) \
115 gst_byte_reader_dup_string_utf8(reader,str)
117 gboolean gst_byte_reader_dup_string_utf8 (GstByteReader * reader, gchar ** str);
118 gboolean gst_byte_reader_dup_string_utf16 (GstByteReader * reader, guint16 ** str);
119 gboolean gst_byte_reader_dup_string_utf32 (GstByteReader * reader, guint32 ** str);
121 #define gst_byte_reader_skip_string(reader) \
122 gst_byte_reader_skip_string_utf8(reader)
124 gboolean gst_byte_reader_skip_string_utf8 (GstByteReader * reader);
125 gboolean gst_byte_reader_skip_string_utf16 (GstByteReader * reader);
126 gboolean gst_byte_reader_skip_string_utf32 (GstByteReader * reader);
128 #define gst_byte_reader_get_string(reader,str) \
129 gst_byte_reader_get_string_utf8(reader,str)
131 #define gst_byte_reader_peek_string(reader,str) \
132 gst_byte_reader_peek_string_utf8(reader,str)
134 gboolean gst_byte_reader_get_string_utf8 (GstByteReader * reader, const gchar ** str);
135 gboolean gst_byte_reader_peek_string_utf8 (GstByteReader * reader, const gchar ** str);
137 guint gst_byte_reader_masked_scan_uint32 (GstByteReader * reader,
144 * GST_BYTE_READER_INIT:
145 * @data: Data from which the #GstByteReader should read
146 * @size: Size of @data in bytes
148 * A #GstByteReader must be initialized with this macro, before it can be
149 * used. This macro can used be to initialize a variable, but it cannot
150 * be assigned to a variable. In that case you have to use
151 * gst_byte_reader_init().
155 #define GST_BYTE_READER_INIT(data, size) {data, size, 0}
158 * GST_BYTE_READER_INIT_FROM_BUFFER:
159 * @buffer: Buffer from which the #GstByteReader should read
161 * A #GstByteReader must be initialized with this macro, before it can be
162 * used. This macro can used be to initialize a variable, but it cannot
163 * be assigned to a variable. In that case you have to use
164 * gst_byte_reader_init().
168 #define GST_BYTE_READER_INIT_FROM_BUFFER(buffer) {GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), 0}
171 /* unchecked variants */
173 gst_byte_reader_skip_unchecked (GstByteReader * reader, guint nbytes)
175 reader->byte += nbytes;
178 #define __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(bits,type,lower,upper,adj) \
181 gst_byte_reader_peek_##lower##_unchecked (GstByteReader * reader) \
183 type val = (type) GST_READ_##upper (reader->data + reader->byte); \
189 gst_byte_reader_get_##lower##_unchecked (GstByteReader * reader) \
191 type val = gst_byte_reader_peek_##lower##_unchecked (reader); \
192 reader->byte += bits / 8; \
196 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(8,guint8,uint8,UINT8,/* */)
197 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(8,gint8,int8,UINT8,/* */)
199 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,guint16,uint16_le,UINT16_LE,/* */)
200 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,guint16,uint16_be,UINT16_BE,/* */)
201 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,gint16,int16_le,UINT16_LE,/* */)
202 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(16,gint16,int16_be,UINT16_BE,/* */)
204 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,guint32,uint32_le,UINT32_LE,/* */)
205 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,guint32,uint32_be,UINT32_BE,/* */)
206 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gint32,int32_le,UINT32_LE,/* */)
207 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gint32,int32_be,UINT32_BE,/* */)
209 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,guint32,uint24_le,UINT24_LE,/* */)
210 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,guint32,uint24_be,UINT24_BE,/* */)
212 /* fix up the sign for 24-bit signed ints stored in 32-bit signed ints */
213 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,gint32,int24_le,UINT24_LE,
214 if (val & 0x00800000) val |= 0xff000000;)
215 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(24,gint32,int24_be,UINT24_BE,
216 if (val & 0x00800000) val |= 0xff000000;)
218 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,guint64,uint64_le,UINT64_LE,/* */)
219 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,guint64,uint64_be,UINT64_BE,/* */)
220 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gint64,int64_le,UINT64_LE,/* */)
221 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gint64,int64_be,UINT64_BE,/* */)
223 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gfloat,float32_le,FLOAT_LE,/* */)
224 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(32,gfloat,float32_be,FLOAT_BE,/* */)
225 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gdouble,float64_le,DOUBLE_LE,/* */)
226 __GST_BYTE_READER_GET_PEEK_BITS_UNCHECKED(64,gdouble,float64_be,DOUBLE_BE,/* */)
228 #undef __GET_PEEK_BITS_UNCHECKED
230 static inline const guint8 *
231 gst_byte_reader_peek_data_unchecked (GstByteReader * reader)
233 return (const guint8 *) (reader->data + reader->byte);
236 static inline const guint8 *
237 gst_byte_reader_get_data_unchecked (GstByteReader * reader, guint size)
241 data = gst_byte_reader_peek_data_unchecked (reader);
242 gst_byte_reader_skip_unchecked (reader, size);
246 static inline guint8 *
247 gst_byte_reader_dup_data_unchecked (GstByteReader * reader, guint size)
249 return g_memdup (gst_byte_reader_get_data_unchecked (reader, size), size);
252 /* Unchecked variants that should not be used */
254 _gst_byte_reader_get_pos_unchecked (const GstByteReader * reader)
260 _gst_byte_reader_get_remaining_unchecked (const GstByteReader * reader)
262 return reader->size - reader->byte;
266 _gst_byte_reader_get_size_unchecked (const GstByteReader * reader)
271 /* inlined variants (do not use directly) */
274 _gst_byte_reader_get_remaining_inline (const GstByteReader * reader)
276 g_return_val_if_fail (reader != NULL, 0);
278 return _gst_byte_reader_get_remaining_unchecked (reader);
282 _gst_byte_reader_get_size_inline (const GstByteReader * reader)
284 g_return_val_if_fail (reader != NULL, 0);
286 return _gst_byte_reader_get_size_unchecked (reader);
289 #define __GST_BYTE_READER_GET_PEEK_BITS_INLINE(bits,type,name) \
291 static inline gboolean \
292 _gst_byte_reader_peek_##name##_inline (GstByteReader * reader, type * val) \
294 g_return_val_if_fail (reader != NULL, FALSE); \
295 g_return_val_if_fail (val != NULL, FALSE); \
297 if (_gst_byte_reader_get_remaining_unchecked (reader) < (bits / 8)) \
300 *val = gst_byte_reader_peek_##name##_unchecked (reader); \
304 static inline gboolean \
305 _gst_byte_reader_get_##name##_inline (GstByteReader * reader, type * val) \
307 g_return_val_if_fail (reader != NULL, FALSE); \
308 g_return_val_if_fail (val != NULL, FALSE); \
310 if (_gst_byte_reader_get_remaining_unchecked (reader) < (bits / 8)) \
313 *val = gst_byte_reader_get_##name##_unchecked (reader); \
317 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(8,guint8,uint8)
318 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(8,gint8,int8)
320 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,guint16,uint16_le)
321 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,guint16,uint16_be)
322 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,gint16,int16_le)
323 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(16,gint16,int16_be)
325 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,guint32,uint32_le)
326 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,guint32,uint32_be)
327 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gint32,int32_le)
328 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gint32,int32_be)
330 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,guint32,uint24_le)
331 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,guint32,uint24_be)
332 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,gint32,int24_le)
333 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(24,gint32,int24_be)
335 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,guint64,uint64_le)
336 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,guint64,uint64_be)
337 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gint64,int64_le)
338 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gint64,int64_be)
340 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gfloat,float32_le)
341 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(32,gfloat,float32_be)
342 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gdouble,float64_le)
343 __GST_BYTE_READER_GET_PEEK_BITS_INLINE(64,gdouble,float64_be)
345 #undef __GST_BYTE_READER_GET_PEEK_BITS_INLINE
347 #ifndef GST_BYTE_READER_DISABLE_INLINES
349 #define gst_byte_reader_get_remaining(reader) \
350 _gst_byte_reader_get_remaining_inline(reader)
352 #define gst_byte_reader_get_size(reader) \
353 _gst_byte_reader_get_size_inline(reader)
355 #define gst_byte_reader_get_pos(reader) \
356 _gst_byte_reader_get_pos_inline(reader)
358 /* we use defines here so we can add the G_LIKELY() */
359 #define gst_byte_reader_get_uint8(reader,val) \
360 G_LIKELY(_gst_byte_reader_get_uint8_inline(reader,val))
361 #define gst_byte_reader_get_int8(reader,val) \
362 G_LIKELY(_gst_byte_reader_get_int8_inline(reader,val))
363 #define gst_byte_reader_get_uint16_le(reader,val) \
364 G_LIKELY(_gst_byte_reader_get_uint16_le_inline(reader,val))
365 #define gst_byte_reader_get_int16_le(reader,val) \
366 G_LIKELY(_gst_byte_reader_get_int16_le_inline(reader,val))
367 #define gst_byte_reader_get_uint16_be(reader,val) \
368 G_LIKELY(_gst_byte_reader_get_uint16_be_inline(reader,val))
369 #define gst_byte_reader_get_int16_be(reader,val) \
370 G_LIKELY(_gst_byte_reader_get_int16_be_inline(reader,val))
371 #define gst_byte_reader_get_uint24_le(reader,val) \
372 G_LIKELY(_gst_byte_reader_get_uint24_le_inline(reader,val))
373 #define gst_byte_reader_get_int24_le(reader,val) \
374 G_LIKELY(_gst_byte_reader_get_int24_le_inline(reader,val))
375 #define gst_byte_reader_get_uint24_be(reader,val) \
376 G_LIKELY(_gst_byte_reader_get_uint24_be_inline(reader,val))
377 #define gst_byte_reader_get_int24_be(reader,val) \
378 G_LIKELY(_gst_byte_reader_get_int24_be_inline(reader,val))
379 #define gst_byte_reader_get_uint32_le(reader,val) \
380 G_LIKELY(_gst_byte_reader_get_uint32_le_inline(reader,val))
381 #define gst_byte_reader_get_int32_le(reader,val) \
382 G_LIKELY(_gst_byte_reader_get_int32_le_inline(reader,val))
383 #define gst_byte_reader_get_uint32_be(reader,val) \
384 G_LIKELY(_gst_byte_reader_get_uint32_be_inline(reader,val))
385 #define gst_byte_reader_get_int32_be(reader,val) \
386 G_LIKELY(_gst_byte_reader_get_int32_be_inline(reader,val))
387 #define gst_byte_reader_get_uint64_le(reader,val) \
388 G_LIKELY(_gst_byte_reader_get_uint64_le_inline(reader,val))
389 #define gst_byte_reader_get_int64_le(reader,val) \
390 G_LIKELY(_gst_byte_reader_get_int64_le_inline(reader,val))
391 #define gst_byte_reader_get_uint64_be(reader,val) \
392 G_LIKELY(_gst_byte_reader_get_uint64_be_inline(reader,val))
393 #define gst_byte_reader_get_int64_be(reader,val) \
394 G_LIKELY(_gst_byte_reader_get_int64_be_inline(reader,val))
396 #define gst_byte_reader_peek_uint8(reader,val) \
397 G_LIKELY(_gst_byte_reader_peek_uint8_inline(reader,val))
398 #define gst_byte_reader_peek_int8(reader,val) \
399 G_LIKELY(_gst_byte_reader_peek_int8_inline(reader,val))
400 #define gst_byte_reader_peek_uint16_le(reader,val) \
401 G_LIKELY(_gst_byte_reader_peek_uint16_le_inline(reader,val))
402 #define gst_byte_reader_peek_int16_le(reader,val) \
403 G_LIKELY(_gst_byte_reader_peek_int16_le_inline(reader,val))
404 #define gst_byte_reader_peek_uint16_be(reader,val) \
405 G_LIKELY(_gst_byte_reader_peek_uint16_be_inline(reader,val))
406 #define gst_byte_reader_peek_int16_be(reader,val) \
407 G_LIKELY(_gst_byte_reader_peek_int16_be_inline(reader,val))
408 #define gst_byte_reader_peek_uint24_le(reader,val) \
409 G_LIKELY(_gst_byte_reader_peek_uint24_le_inline(reader,val))
410 #define gst_byte_reader_peek_int24_le(reader,val) \
411 G_LIKELY(_gst_byte_reader_peek_int24_le_inline(reader,val))
412 #define gst_byte_reader_peek_uint24_be(reader,val) \
413 G_LIKELY(_gst_byte_reader_peek_uint24_be_inline(reader,val))
414 #define gst_byte_reader_peek_int24_be(reader,val) \
415 G_LIKELY(_gst_byte_reader_peek_int24_be_inline(reader,val))
416 #define gst_byte_reader_peek_uint32_le(reader,val) \
417 G_LIKELY(_gst_byte_reader_peek_uint32_le_inline(reader,val))
418 #define gst_byte_reader_peek_int32_le(reader,val) \
419 G_LIKELY(_gst_byte_reader_peek_int32_le_inline(reader,val))
420 #define gst_byte_reader_peek_uint32_be(reader,val) \
421 G_LIKELY(_gst_byte_reader_peek_uint32_be_inline(reader,val))
422 #define gst_byte_reader_peek_int32_be(reader,val) \
423 G_LIKELY(_gst_byte_reader_peek_int32_be_inline(reader,val))
424 #define gst_byte_reader_peek_uint64_le(reader,val) \
425 G_LIKELY(_gst_byte_reader_peek_uint64_le_inline(reader,val))
426 #define gst_byte_reader_peek_int64_le(reader,val) \
427 G_LIKELY(_gst_byte_reader_peek_int64_le_inline(reader,val))
428 #define gst_byte_reader_peek_uint64_be(reader,val) \
429 G_LIKELY(_gst_byte_reader_peek_uint64_be_inline(reader,val))
430 #define gst_byte_reader_peek_int64_be(reader,val) \
431 G_LIKELY(_gst_byte_reader_peek_int64_be_inline(reader,val))
433 #define gst_byte_reader_get_float32_le(reader,val) \
434 G_LIKELY(_gst_byte_reader_get_float32_le_inline(reader,val))
435 #define gst_byte_reader_get_float32_be(reader,val) \
436 G_LIKELY(_gst_byte_reader_get_float32_be_inline(reader,val))
437 #define gst_byte_reader_get_float64_le(reader,val) \
438 G_LIKELY(_gst_byte_reader_get_float64_le_inline(reader,val))
439 #define gst_byte_reader_get_float64_be(reader,val) \
440 G_LIKELY(_gst_byte_reader_get_float64_be_inline(reader,val))
441 #define gst_byte_reader_peek_float32_le(reader,val) \
442 G_LIKELY(_gst_byte_reader_peek_float32_le_inline(reader,val))
443 #define gst_byte_reader_peek_float32_be(reader,val) \
444 G_LIKELY(_gst_byte_reader_peek_float32_be_inline(reader,val))
445 #define gst_byte_reader_peek_float64_le(reader,val) \
446 G_LIKELY(_gst_byte_reader_peek_float64_le_inline(reader,val))
447 #define gst_byte_reader_peek_float64_be(reader,val) \
448 G_LIKELY(_gst_byte_reader_peek_float64_be_inline(reader,val))
450 #endif /* GST_BYTE_READER_DISABLE_INLINES */
452 static inline gboolean
453 _gst_byte_reader_dup_data_inline (GstByteReader * reader, guint size, guint8 ** val)
455 g_return_val_if_fail (reader != NULL, FALSE);
456 g_return_val_if_fail (val != NULL, FALSE);
458 if (G_UNLIKELY (size > reader->size || _gst_byte_reader_get_remaining_inline (reader) < size))
461 *val = gst_byte_reader_dup_data_unchecked (reader, size);
465 static inline gboolean
466 _gst_byte_reader_get_data_inline (GstByteReader * reader, guint size, const guint8 ** val)
468 g_return_val_if_fail (reader != NULL, FALSE);
469 g_return_val_if_fail (val != NULL, FALSE);
471 if (G_UNLIKELY (size > reader->size || _gst_byte_reader_get_remaining_inline (reader) < size))
474 *val = gst_byte_reader_get_data_unchecked (reader, size);
478 static inline gboolean
479 _gst_byte_reader_peek_data_inline (GstByteReader * reader, guint size, const guint8 ** val)
481 g_return_val_if_fail (reader != NULL, FALSE);
482 g_return_val_if_fail (val != NULL, FALSE);
484 if (G_UNLIKELY (size > reader->size || _gst_byte_reader_get_remaining_inline (reader) < size))
487 *val = gst_byte_reader_peek_data_unchecked (reader);
492 _gst_byte_reader_get_pos_inline (const GstByteReader * reader)
494 g_return_val_if_fail (reader != NULL, 0);
496 return _gst_byte_reader_get_pos_unchecked (reader);
499 static inline gboolean
500 _gst_byte_reader_skip_inline (GstByteReader * reader, guint nbytes)
502 g_return_val_if_fail (reader != NULL, FALSE);
504 if (G_UNLIKELY (_gst_byte_reader_get_remaining_unchecked (reader) < nbytes))
507 reader->byte += nbytes;
511 #ifndef GST_BYTE_READER_DISABLE_INLINES
513 #define gst_byte_reader_dup_data(reader,size,val) \
514 G_LIKELY(_gst_byte_reader_dup_data_inline(reader,size,val))
515 #define gst_byte_reader_get_data(reader,size,val) \
516 G_LIKELY(_gst_byte_reader_get_data_inline(reader,size,val))
517 #define gst_byte_reader_peek_data(reader,size,val) \
518 G_LIKELY(_gst_byte_reader_peek_data_inline(reader,size,val))
519 #define gst_byte_reader_skip(reader,nbytes) \
520 G_LIKELY(_gst_byte_reader_skip_inline(reader,nbytes))
522 #endif /* GST_BYTE_READER_DISABLE_INLINES */
526 #endif /* __GST_BYTE_READER_H__ */