| Commit message (Collapse) | Author | Age | Files | Lines |
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This can avoid OOM for min_size close to FFmpeg's arbitrary alloc limits.
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* commit '04b0f0e371ff81b682274b574fb465ba4395c09f':
mem: uninline av_malloc(z)_array()
Merged-by: James Almer <jamrial@gmail.com>
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Inlining public functions hardcodes their implementation into the ABI,
so it should be avoided unless there is a very good reason for it. No
such reason exists in this case.
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* commit '4fb311c804098d78e5ce5f527f9a9c37536d3a08':
Drop memalign hack
Merged, as this may indeed be uneeded since
46e3936fb04d06550151e667357065e3f646da1a.
Merged-by: Clément Bœsch <u@pkh.me>
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It no longer serves a useful purpose.
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The header is not installed and the macro isn't used outside libavutil,
so it is obviously privat to libavutil. Make the name reflect that.
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The original code assumes av_realloc() will free ptr if size is zero.
The assumes is incorrect now.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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internal.h is difficult to use due to circular dependancies
mem.h is a public header ff_* is not public
Alternative solutions probably are possible too
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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the string length is not constrained to INT_MAX
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This is similar to 60392480181f24ebf3ab48d8ac3614705de90152
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '60392480181f24ebf3ab48d8ac3614705de90152':
mem: fix pointer pointer aliasing violations
Conflicts:
libavutil/mem.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This uses explicit memory copying to read and write pointer to pointers
of arbitrary object types. This works provided that the architecture
uses the same representation for all pointer types (the previous code
made that assumption already anyway).
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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* commit '8ddc32629a6d6be77256694c9e322dde134609f3':
mem: add av_strndup() for duplicating substrings
Conflicts:
libavutil/mem.c
libavutil/mem.h
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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av_dynarray_add_nofree function have similar functionality
as existing av_dynarray_add, but it doesn't deallocate memory
on fails.
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'cce3e0a49f0dd030262c28d9c53de0bd2fd909c4':
Move av_fast_{m,re}alloc from lavc to lavu.
Conflicts:
libavcodec/avcodec.h
libavcodec/utils.c
libavutil/mem.c
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
mem: Make av_strdup allocate using av_realloc
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This makes sure that pointers from av_strdup are reallocable,
which is used in av_dict_set if the AV_DICT_APPEND flag is set.
Nothing should rely on pointers from av_strdup being aligned.
Signed-off-by: Martin Storsjö <martin@martin.st>
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* commit '67e285ceca1cb602a5ab87010b30d904527924fe':
mem: Handle av_reallocp(..., 0) properly
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Previously this did a double free (and returned an error).
Reported-by: Justin Ruggles
Signed-off-by: Martin Storsjö <martin@martin.st>
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* commit '3feb3d6ce4be0a09a9f8f13d613bed25b523b6e7':
mem: Introduce av_reallocp
Conflicts:
doc/APIchanges
libavutil/mem.c
libavutil/mem.h
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'c3e6e8f06c42499bd020fd0b37f9542150e6067b':
mem: Do not check unsigned values for negative size
Conflicts:
libavutil/mem.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'b634b36fcebfe16b837b6c4044f5d5cb99a75040':
mem: Improve documentation wording and spelling
Conflicts:
libavutil/mem.c
libavutil/mem.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes return code and later null pointer dereference
Found-by: Laurent Butti <laurentb@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '3b4feac1ec14f861bdd7f494f288f4d8dd7f449e':
movenc: Keep track of the allocated size for the cluster array
mem: Add av_realloc_array and av_reallocp_array
Conflicts:
doc/APIchanges
libavformat/movenc.c
libavutil/mem.c
libavutil/mem.h
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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These help avoiding overflows and simplify error handling.
Signed-off-by: Martin Storsjö <martin@martin.st>
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Based on a patch by Clément Bœsch.
See thread:
From: Clément Bœsch <ubitux@gmail.com>
Subject: [FFmpeg-devel] [PATCH 1/5] lavu: add av_dynarray_alloc_elem().
Date: Sun, 14 Apr 2013 03:07:54 +0200
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Allow single-place definition of constant used to fill poisoned memory.
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Also extend documentation accordingly.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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The function is documented in mem.h.
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Credits to Khusraw of bttr-software.de forum.
Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
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* commit 'f935aca44c674d30e3ed940ef73bbad1228a5855':
av_memcpy_backptr: avoid an infinite loop for back = 0
4xm: check the return value of read_huffman_tables().
Conflicts:
libavcodec/4xm.c
libavutil/mem.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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CC:libav-stable@libav.org
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These can detect some kinds of memory and or pointer corruptions
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Idea-by: wanzhang
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'cb45553f577f8e0ebfe05d3287e1b6fa5859b967':
Remove pointless #undefs of previously forbidden functions.
fate: Add dependencies for bmp, cdxl, dfa, mp3
Conflicts:
doc/examples/muxing.c
libavfilter/filtfmts.c
libavutil/des.c
libavutil/eval.c
libavutil/log.c
libavutil/parseutils.c
tests/fate/mp3.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '4a606c830ae664013cea33800094d4d0f4ec62da':
av_memcpy_backptr: optimise some special cases
mpegvideo: simplify dxy calculation in hpel_motion()
build: add rules to generate preprocessed source files
Conflicts:
Makefile
libavutil/mem.c
library.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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