Commit Graph

1949 Commits

Author SHA1 Message Date
Anton Mitrofanov
8c75ba55a4 x86inc: warn if XOP integer FMA instruction emulation is impossible
Emulation requires a temporary register if arguments 1 and 4 are the same; this
doesn't obey the semantics of the original instruction, so we can't emulate
that in x86inc.

Also add pmacsdql emulation.

Signed-off-by: Henrik Gramner <henrik@gramner.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-08-11 11:02:27 +02:00
James Almer
3e853ff7ac des: extend av_des_init() doxy
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-07-31 09:04:12 +02:00
James Almer
d9e8b47e31 des: add av_des_alloc()
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-07-31 09:04:12 +02:00
James Almer
5d8bea3bb2 xtea: add av_xtea_alloc()
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-07-31 09:04:12 +02:00
James Almer
b469832de9 rc4: extend av_rc4_init() doxy
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-07-31 09:04:12 +02:00
James Almer
ae365453c3 rc4: add av_rc4_alloc()
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-07-31 09:04:12 +02:00
James Almer
7a7df34c91 blowfish: add av_blowfish_alloc()
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-07-31 09:04:09 +02:00
James Almer
6877537ff3 hmac: add missing version bump and APIChanges entry
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
2015-07-30 16:40:26 +03:00
James Almer
e59f7cd89e fate: add test vectors for HMAC SHA and SHA-2
Also replace custom tests for MD5 with those published in RFC 2202

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
2015-07-29 22:09:16 +03:00
James Almer
7e38340b83 hmac: add support for SHA-2
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
2015-07-29 22:09:16 +03:00
Luca Barbato
219b39a71a parseutil: Use non ambiguous aliases for uhd
uhd1 and uhd2 would be ambigous.
2015-07-21 11:43:44 +02:00
Luca Barbato
e93ca480c9 parseutil: Add more resolution aliases
Add DCI 2k and 4k and uhd1 and uhd2.
2015-07-20 04:05:48 +02:00
Henrik Gramner
d1a6cb195f x86: Serialize rdtsc in read_time()
Improves the accuracy of measurements, especially in short sections.

To quote the Intel 64 and IA-32 Architectures Software Developer's Manual:
"The RDTSC instruction is not a serializing instruction. It does not necessarily
wait until all previous instructions have been executed before reading the counter.
Similarly, subsequent instructions may begin execution before the read operation
is performed. If software requires RDTSC to be executed only after all previous
instructions have completed locally, it can either use RDTSCP (if the processor
supports that instruction) or execute the sequence LFENCE;RDTSC."

SSE2 is a requirement for lfence so only use it on SSE2-capable systems.
Prefer lfence;rdtsc over rdtscp since rdtscp is supported on fewer systems.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-07-09 00:10:13 +02:00
Vittorio Giovara
832129431f lavu: Add version information for av_version_info()
Move the APIchange entry at the top.
2015-07-03 14:30:11 +01:00
wm4
1316df7aa9 lavu: add an API function to return the Libav version string
This returns something like "v12_dev0-1332-g333a27c". This is much more
useful than the individual library versions, of which there are too
many, and which are very hard to map back to releases or git commits.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
2015-07-02 23:22:53 +02:00
Luca Barbato
a6f19d6a9f configure: Support MSVC 2015
The C runtime C99 compatibility had been improved a lot and it now
rejects some of the compatibility defines provided for the older
versions.

Many thanks to Ray for the time spent testing.

Bug-Id: 864
CC: libav-stable@libav.org
2015-06-08 13:27:49 +02:00
James Almer
d68c05380c x86: check for AV_CPU_FLAG_AVXSLOW where useful
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-31 12:07:11 +02:00
James Almer
cae3985120 x86: Add helper macros to check for slow cpuflags
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-31 12:07:11 +02:00
James Almer
f7cafb5d02 x86: add AV_CPU_FLAG_AVXSLOW flag
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-31 12:07:11 +02:00
Luca Barbato
d0bf20a4f2 ppc: vsx: Implement diff_pixels and get_pixels
Use a macro to abstract the endianness.
2015-05-31 12:07:11 +02:00
Luca Barbato
eecd29b3fd ppc: vsx: Implement float_dsp 2015-05-31 12:07:11 +02:00
Luca Barbato
7d07ee5a9b ppc: cpu: Add support for VSX and POWER8 extensions 2015-05-31 12:07:11 +02:00
Luca Barbato
da60b99a88 ppc: Restrict some Altivec implementations to Big Endian
In Little Endian the vec_ld/vec_st operations work as
expected only for byte-vectors.
2015-05-31 12:07:11 +02:00
Luca Barbato
3058872c29 ppc: Clarify and extend the cpuid check
Add POWER entries.
2015-05-31 12:07:10 +02:00
Luca Barbato
baa94563fe ppc: linux: Check altivec using the auxv
Should prevent trying to use altivec when it is disabled by the kernel.
2015-05-31 12:07:10 +02:00
Luca Barbato
72cebae0d9 ppc: avutil: Use the abriged vector types 2015-05-31 12:07:10 +02:00
Luca Barbato
254eb5b6fa ppc: avutil: Drop a potentially dangerous workaround
The compiler is free to optimize such expressions in any sort of way.
2015-05-31 12:07:10 +02:00
wm4
a64a5773ea pixfmt: remove misleading and broken documentation
This was probably broken some time ago. The breakage is now part of the
ABI. For example, we have:

    AV_PIX_FMT_XYZ12BE
    AV_PIX_FMT_NV16
    AV_PIX_FMT_NV20LE

AV_PIX_FMT_NV20LE is wrong. It has the value 113, but as little-endian
format it should be even. This must have been quite obvious when these
formats were added (because of the AV_PIX_FMT_XYZ12BE entry), but
nobody cared or knew about this.

The future libavutil major bump will also break this additionally,
because disabling FF_API_VDPAU will remove an odd number of entries from
the middle of the enum.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-28 18:40:40 +02:00
Timothy Gu
dd4d709be7 x86inc: Clear __SECT__
Silences warning(s) like:

    libavcodec/x86/fft.asm:93: warning: section flags ignored on
    section redeclaration

The cause of this warning is that because `struc` and `endstruc`
attempts to revert to the previous section state [1].

The section state is stored in the macro __SECT__, defined by
x86inc.asm to be `.note.GNU-stack ...`, through the `SECTION`
directive [2].

Thus, the `.note.GNU-stack` section is defined twice
(once in x86inc.asm, once during `endstruc`), causing the warning.

That is the first part of the commit: using the primitive `[section]` format
for .note.GNU-stack etc., which does not update `__SECT__` [2].

That fixes only half of the problem. Even without any `SECTION` directives,
`__SECT__` is predefined as `.text`, which conflicting with the later
`SECTION_TEXT` (which expands to `.text align=16`).

[1]: http://www.nasm.us/doc/nasmdoc6.html#section-6.4
[2]: http://www.nasm.us/doc/nasmdoc6.html#section-6.3

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-28 11:40:15 +02:00
Steve Lhomme
d8039ef8d2 D3D11va: add a Direct3D11 video decoder similar to DXVA2
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-25 11:47:08 +02:00
Vittorio Giovara
eaa2d123f0 log: Print a full backtrace along with error messages under Valgrind
Useful to understand where and in what execution state a certain message
is generated. It is enabled only when optimizations are disabled, since
function names are not printed otherwise.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-04-20 19:20:57 +01:00
James Almer
a1d58e3b38 avutil: remove pointless bmi1 define
Signed-off-by: James Almer <jamrial@gmail.com>
2015-04-19 23:45:35 +01:00
Vittorio Giovara
c253340ae6 log: Introduce a more verbose debug level
And deprecate av_dlog macro.
2015-04-19 12:41:59 +01:00
Luca Barbato
27f2746282 parseutils: Make av_small_strptime public
And use it in libavformat.

Based on a similar patch by Stefano Sabatini <stefasab@gmail.com>.
2015-04-07 12:36:11 +02:00
Luca Barbato
108f2f381a parseutils: Extend small_strptime to be used in avformat
The strptime implementation is supposed to support whitespace and %T.
2015-04-06 18:09:03 +02:00
wm4
c48456166e lavc: add MMAL hardware decoder wrapper
Based on a patch by Rodger Combs.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-03-29 09:55:20 +02:00
Vittorio Giovara
312a9ef04b pixfmt: Update documentation with prefixed pixel formats 2015-03-23 20:53:28 +00:00
Vittorio Giovara
592a04054e pixdesc: Replace a few leftover instances of non AV-prefixed flags 2015-03-23 20:53:28 +00:00
Vittorio Giovara
e4fe535d12 mov: Write the display matrix in order
This will allow to copy the matrix as is and it is just cleaner to keep
the matrix in the same order specified by the mov standard (which is
also explicitly described in the documentation).

In order to preserve compatibility, flip the angle sign in the display API
av_display_rotation_set() and av_display_rotation_get(), and improve the
documentation mentioning the rotation direction.
2015-03-23 20:53:28 +00:00
Martin Storsjö
58a840e215 Replace a few leftover instances of enum PixelFormat with enum AVPixelFormat
Signed-off-by: Martin Storsjö <martin@martin.st>
2015-03-17 23:53:33 +02:00
Martin Storsjö
dcae2e32f7 arm: Suppress tags about used cpu arch and extensions
When all the codepaths using manually set .arch/.fpu code is
behind runtime detection, the elf attributes should be suppressed.

This allows tools to know that the final built binary doesn't
strictly require these extensions.

Signed-off-by: Martin Storsjö <martin@martin.st>
2015-03-07 17:10:08 +02:00
Peter Meerwald
76ce9bd8e2 libavutil: Add ARM av_clip_intp2_arm
add ARM code for implementing av_clip_intp2 using the ssat instruction

on Cortex-A8, av_clip_intp2_arm() is faster than av_clip_intp2_c() and
the generic av_clip(), about -19%

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-02-21 00:54:40 +01:00
Peter Meerwald
bf07d813f6 libavutil: Add av_clip_intp2
there already is a function, av_clip_uintp2() that clips a signed integer
to an unsigned power-of-two range, i.e. 0,2^p-1

this patch adds a function av_clip_intp2() that clips a signed integer
to a signed power-of-two range, i.e. -(2^p),(2^p-1)

the new function can be used as a special case for av_clip(), e.g.
av_clip(x, -8192, 8191) can be rewritten as av_clip_intp2(x, 13)

there are ARM instructions, usat and ssat resp., which map nicely to these
functions (see next patch)

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-02-21 00:54:40 +01:00
Anton Khirnov
5b1d9ceec7 pixfmt: add a pixel format for QSV hwaccel 2015-02-19 15:07:21 +01:00
Diego Biurrun
bf704132a5 Don't anonymously typedef structs 2015-02-14 10:13:49 -08:00
Anton Khirnov
0232ba62a2 frame: clarify buf documentation
Mention explicitly that the array must be filled contiguously.
2015-02-08 21:28:31 +01:00
Rémi Denis-Courmont
6039248018 mem: fix pointer pointer aliasing violations
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>
2015-02-01 02:28:40 +01:00
Luca Barbato
1279221cc4 lavu: Check av_dict_set allocations
Bug-Id: CID 1257772
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-01-29 14:59:57 +00:00
Anton Khirnov
728685f37a Add a side data type for audio service type.
Currently, audio service type is a field in AVCodecContext. However,
side data is more appropriate for this kind of information.
2015-01-27 09:17:48 +01:00
Paul B Mahol
0e6c7dfa65 lavu: add planar 16 bit and 8 bit rgb with alpha
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-01-14 17:17:24 +01:00