summaryrefslogtreecommitdiff
path: root/apps/codecs/libwmapro/libavutil/mem.h
diff options
context:
space:
mode:
authorMohamed Tarek <mt@rockbox.org>2010-04-30 11:11:56 +0000
committerMohamed Tarek <mt@rockbox.org>2010-04-30 11:11:56 +0000
commitcf43e5083b9e0f87de262ea31fd8067225ebfcda (patch)
tree073e6f4cd9561564d85e410a35432e1f4ead5b11 /apps/codecs/libwmapro/libavutil/mem.h
parentbc3c5c16571487bf71fed8c22b30ee40481e156e (diff)
downloadrockbox-cf43e5083b9e0f87de262ea31fd8067225ebfcda.tar.gz
rockbox-cf43e5083b9e0f87de262ea31fd8067225ebfcda.zip
Add libwmapro to apps/codecs. These files comprise a set of unmodified files needed from ffmpeg's libavcodec and libavutil to compile and use the wma pro decoder standalone. The files were taken from ffmpeg's svn r22886 dated 15 April 2010.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25763 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libwmapro/libavutil/mem.h')
-rw-r--r--apps/codecs/libwmapro/libavutil/mem.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/apps/codecs/libwmapro/libavutil/mem.h b/apps/codecs/libwmapro/libavutil/mem.h
new file mode 100644
index 0000000000..fffbb872ae
--- /dev/null
+++ b/apps/codecs/libwmapro/libavutil/mem.h
@@ -0,0 +1,125 @@
1/*
2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg 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 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22 * @file libavutil/mem.h
23 * memory handling functions
24 */
25
26#ifndef AVUTIL_MEM_H
27#define AVUTIL_MEM_H
28
29#include "attributes.h"
30
31#if defined(__ICC) || defined(__SUNPRO_C)
32 #define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
33 #define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v
34#elif defined(__TI_COMPILER_VERSION__)
35 #define DECLARE_ALIGNED(n,t,v) \
36 AV_PRAGMA(DATA_ALIGN(v,n)) \
37 t __attribute__((aligned(n))) v
38 #define DECLARE_ASM_CONST(n,t,v) \
39 AV_PRAGMA(DATA_ALIGN(v,n)) \
40 static const t __attribute__((aligned(n))) v
41#elif defined(__GNUC__)
42 #define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
43 #define DECLARE_ASM_CONST(n,t,v) static const t attribute_used __attribute__ ((aligned (n))) v
44#elif defined(_MSC_VER)
45 #define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v
46 #define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v
47#else
48 #define DECLARE_ALIGNED(n,t,v) t v
49 #define DECLARE_ASM_CONST(n,t,v) static const t v
50#endif
51
52#if AV_GCC_VERSION_AT_LEAST(3,1)
53 #define av_malloc_attrib __attribute__((__malloc__))
54#else
55 #define av_malloc_attrib
56#endif
57
58#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,3)
59 #define av_alloc_size(n) __attribute__((alloc_size(n)))
60#else
61 #define av_alloc_size(n)
62#endif
63
64/**
65 * Allocates a block of size bytes with alignment suitable for all
66 * memory accesses (including vectors if available on the CPU).
67 * @param size Size in bytes for the memory block to be allocated.
68 * @return Pointer to the allocated block, NULL if the block cannot
69 * be allocated.
70 * @see av_mallocz()
71 */
72void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1);
73
74/**
75 * Allocates or reallocates a block of memory.
76 * If ptr is NULL and size > 0, allocates a new block. If
77 * size is zero, frees the memory block pointed to by ptr.
78 * @param size Size in bytes for the memory block to be allocated or
79 * reallocated.
80 * @param ptr Pointer to a memory block already allocated with
81 * av_malloc(z)() or av_realloc() or NULL.
82 * @return Pointer to a newly reallocated block or NULL if the block
83 * cannot be reallocated or the function is used to free the memory block.
84 * @see av_fast_realloc()
85 */
86void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2);
87
88/**
89 * Frees a memory block which has been allocated with av_malloc(z)() or
90 * av_realloc().
91 * @param ptr Pointer to the memory block which should be freed.
92 * @note ptr = NULL is explicitly allowed.
93 * @note It is recommended that you use av_freep() instead.
94 * @see av_freep()
95 */
96void av_free(void *ptr);
97
98/**
99 * Allocates a block of size bytes with alignment suitable for all
100 * memory accesses (including vectors if available on the CPU) and
101 * zeroes all the bytes of the block.
102 * @param size Size in bytes for the memory block to be allocated.
103 * @return Pointer to the allocated block, NULL if it cannot be allocated.
104 * @see av_malloc()
105 */
106void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1);
107
108/**
109 * Duplicates the string s.
110 * @param s string to be duplicated
111 * @return Pointer to a newly allocated string containing a
112 * copy of s or NULL if the string cannot be allocated.
113 */
114char *av_strdup(const char *s) av_malloc_attrib;
115
116/**
117 * Frees a memory block which has been allocated with av_malloc(z)() or
118 * av_realloc() and set the pointer pointing to it to NULL.
119 * @param ptr Pointer to the pointer to the memory block which should
120 * be freed.
121 * @see av_free()
122 */
123void av_freep(void *ptr);
124
125#endif /* AVUTIL_MEM_H */