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The new type is compatible with AV_OPT_TYPE_INT64, but allows to specify
channel layouts using the format accepted by av_get_channel_layout().
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The new syntax is preferred since it allows backward syntax compatibility
with libswr when switching to the new option handling code with
AV_OPT_TYPE_CHANNEL_LAYOUT.
With the new parser the string:
1234
is interpreted as a channel layout mask, rather than as a number of
channels, and thus it's compatible with the current way to set a channel
layout as an integer (e.g. for the icl and ocl options) making use of
integer option values.
ff_get_channel_layout() with compat=0 will be used in the
AV_OPT_TYPE_CHANNEL handler code.
The user is encouraged to switch to the new forward compatible syntax,
which requires to put a trailing "c" when specifying a layout as a number
of channels.
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In particular, do not set default string value by hand and use
av_opt_free() to free context.
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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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Found-by: wm4
Signed-off-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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* qatar/master:
x86: more AVX2 framework
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'c6908d6b4b377a04a5d055ba874bdbcf06c80497':
x86inc: FMA3/4 Support
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '206895708ea2b464755d340e44501daf9a07c310':
x86inc: Remove our FMA4 support
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'c108ba0175d4fc3a3253a8b0f782fbfb96ba5098':
x86inc: Use VEX-encoded instructions in AVX functions
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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This is so we can sync to x264's version of FMA4 support.
This partialy reverts commit 79687079a97a039c325ab79d7a95920d800b791f.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Automatically use VEX-encoding in AVX/AVX2/XOP/FMA3/FMA4
functions for all instructions that exists in a VEX-encoded
version.
This change makes it easier to extend existing code to use AVX2.
Also add support for AVX emulation of a few instructions that
were missing before.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* qatar/master:
x86inc: Remove .rodata kludges
Conflicts:
libavutil/x86/x86inc.asm
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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The Mach-O bug was fixed in yasm 0.8.0 and we don't
support versions that old anymore.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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* commit '3e2fa991db7ef172579422accd61624d52777e5a':
x86inc: remove misaligned cpu flag
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '71155665414b551ad350622d5abed20e58371fbf':
x86inc: various minor backports from x264
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '47f9d7ce5493e119e09d1227d017414feaaf8d97':
x86inc: Check for __OUTPUT_FORMAT__ having a value of "x64"
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'bbe4a6db44f0b55b424a5cc9d3e89cd88e250450':
x86inc: Utilize the shadow space on 64-bit Windows
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '3fb78e99a04d0ed8db834d813d933eb86c37142a':
x86inc: create xm# and ym#, analagous to m#
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '49ebe3f9fe02174ae7e14548001fd146ed375cc2':
x86inc: fix some corner cases of SWAP
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '63f0d623100bdb0c6081456127f4b6713e83d3db':
x86inc: Use SSE instead of SSE2 for copying data
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'ad76e6e7e193b98e7335156422d35467816f9ef1':
x86inc: Set ELF hidden visibility for global constants
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '25cb0c1a1e66edacc1667acf6818f524c0997f10':
x86inc: activate REP_RET automatically
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Prevents a crash if the misaligned exception mask bit is
cleared for some reason.
Misaligned SSE functions are only used on AMD Phenom CPUs
and the benefit is miniscule. They also require modifying
the MXCSR control register and by removing those functions
we can get rid of that complexity altogether.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Small backports that sneaked into other asm commits in x264.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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This is also a valid value for WIN64.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Store XMM6 and XMM7 in the shadow space in functions that
clobbers them. This way we don't have to adjust the stack
pointer as often, reducing the number of instructions as
well as code size.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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For when we want to mix simd sizes within one function.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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SWAP with >=3 named (rather than numbered) args
PERMUTE followed by SWAP with 2 named args
used to produce the wrong permutation
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Reduces code size because movaps/movups is one byte
shorter than movdqa/movdqu.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Now RET checks whether it immediately follows a branch, so the
programmer dosen't have to keep track of that condition. REP_RET
is still needed manually when it's a branch target, but that's
much rarer.
The implementation involves lots of spurious labels, but that's OK
because we strip them.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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See http://en.wikipedia.org/wiki/Graphics_display_resolution
Signed-off-by: Niv Sardi <xaiki@evilgiggle.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
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* commit '4272bb6ef1533846a788c259cc498562d0704444':
doxy: Document avlog
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Provide some information for every function and add a group.
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Success code must be >= 0 and not == 0, consistently with the
implementation.
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Should prevent wrong uses, or at least decrease their chance.
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* commit '80fefbed623491b92fe59ead99225f99c0d0ca08':
x86: cpu: Restore some explanatory comments removed in 7160bb7
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '5ce04c14dd3dd3670cbdba82275a3a72c716ec6f':
Use correct Doxygen syntax
Conflicts:
libavcodec/atrac3.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Decoding time of ped1080p.webm goes from 20.7sec to 11.3sec.
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* commit '38e15df1489d86c016515223ee693e7d0326c56a':
avframe: note that linesize is not the usable data size
Conflicts:
libavutil/frame.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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They were inconsistent (overlapping fields and wrong sizes)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* qatar/master:
avutil: Fix compilation with inline asm disabled on mingw
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'e208e6d209728d332343aa5390ae377ac0a6305c':
lavu: Add interleaved 4:2:2 8/10-bit formats
Conflicts:
doc/APIchanges
libavutil/pixdesc.c
libavutil/pixfmt.h
libavutil/version.h
See: 90ca5a9b5fc3f1484c389a44f40ee1af4b8f435e
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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