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* blowfish: add av_blowfish_alloc()James Almer2015-07-31
| | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Anton Khirnov <anton@khirnov.net>
* hmac: add missing version bump and APIChanges entryJames Almer2015-07-30
| | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Martin Storsjö <martin@martin.st>
* fate: add test vectors for HMAC SHA and SHA-2James Almer2015-07-29
| | | | | | | 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>
* hmac: add support for SHA-2James Almer2015-07-29
| | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Martin Storsjö <martin@martin.st>
* parseutil: Use non ambiguous aliases for uhdLuca Barbato2015-07-21
| | | | uhd1 and uhd2 would be ambigous.
* parseutil: Add more resolution aliasesLuca Barbato2015-07-20
| | | | Add DCI 2k and 4k and uhd1 and uhd2.
* x86: Serialize rdtsc in read_time()Henrik Gramner2015-07-09
| | | | | | | | | | | | | | | | | 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>
* lavu: Add version information for av_version_info()Vittorio Giovara2015-07-03
| | | | Move the APIchange entry at the top.
* lavu: add an API function to return the Libav version stringwm42015-07-02
| | | | | | | | 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>
* configure: Support MSVC 2015Luca Barbato2015-06-08
| | | | | | | | | | | 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
* x86: check for AV_CPU_FLAG_AVXSLOW where usefulJames Almer2015-05-31
| | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* x86: Add helper macros to check for slow cpuflagsJames Almer2015-05-31
| | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* x86: add AV_CPU_FLAG_AVXSLOW flagJames Almer2015-05-31
| | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* ppc: vsx: Implement diff_pixels and get_pixelsLuca Barbato2015-05-31
| | | | Use a macro to abstract the endianness.
* ppc: vsx: Implement float_dspLuca Barbato2015-05-31
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* ppc: cpu: Add support for VSX and POWER8 extensionsLuca Barbato2015-05-31
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* ppc: Restrict some Altivec implementations to Big EndianLuca Barbato2015-05-31
| | | | | In Little Endian the vec_ld/vec_st operations work as expected only for byte-vectors.
* ppc: Clarify and extend the cpuid checkLuca Barbato2015-05-31
| | | | Add POWER entries.
* ppc: linux: Check altivec using the auxvLuca Barbato2015-05-31
| | | | Should prevent trying to use altivec when it is disabled by the kernel.
* ppc: avutil: Use the abriged vector typesLuca Barbato2015-05-31
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* ppc: avutil: Drop a potentially dangerous workaroundLuca Barbato2015-05-31
| | | | The compiler is free to optimize such expressions in any sort of way.
* pixfmt: remove misleading and broken documentationwm42015-05-28
| | | | | | | | | | | | | | | | | | | | 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>
* x86inc: Clear __SECT__Timothy Gu2015-05-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* D3D11va: add a Direct3D11 video decoder similar to DXVA2Steve Lhomme2015-05-25
| | | | Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* log: Print a full backtrace along with error messages under ValgrindVittorio Giovara2015-04-20
| | | | | | | | 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>
* avutil: remove pointless bmi1 defineJames Almer2015-04-19
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
* log: Introduce a more verbose debug levelVittorio Giovara2015-04-19
| | | | And deprecate av_dlog macro.
* parseutils: Make av_small_strptime publicLuca Barbato2015-04-07
| | | | | | And use it in libavformat. Based on a similar patch by Stefano Sabatini <stefasab@gmail.com>.
* parseutils: Extend small_strptime to be used in avformatLuca Barbato2015-04-06
| | | | The strptime implementation is supposed to support whitespace and %T.
* lavc: add MMAL hardware decoder wrapperwm42015-03-29
| | | | | | Based on a patch by Rodger Combs. Signed-off-by: Anton Khirnov <anton@khirnov.net>
* pixfmt: Update documentation with prefixed pixel formatsVittorio Giovara2015-03-23
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* pixdesc: Replace a few leftover instances of non AV-prefixed flagsVittorio Giovara2015-03-23
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* mov: Write the display matrix in orderVittorio Giovara2015-03-23
| | | | | | | | | | 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.
* Replace a few leftover instances of enum PixelFormat with enum AVPixelFormatMartin Storsjö2015-03-17
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* arm: Suppress tags about used cpu arch and extensionsMartin Storsjö2015-03-07
| | | | | | | | | | 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>
* libavutil: Add ARM av_clip_intp2_armPeter Meerwald2015-02-21
| | | | | | | | | | 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>
* libavutil: Add av_clip_intp2Peter Meerwald2015-02-21
| | | | | | | | | | | | | | | | | 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>
* pixfmt: add a pixel format for QSV hwaccelAnton Khirnov2015-02-19
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* Don't anonymously typedef structsDiego Biurrun2015-02-14
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* frame: clarify buf documentationAnton Khirnov2015-02-08
| | | | Mention explicitly that the array must be filled contiguously.
* mem: fix pointer pointer aliasing violationsRémi Denis-Courmont2015-02-01
| | | | | | | | | 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>
* lavu: Check av_dict_set allocationsLuca Barbato2015-01-29
| | | | | Bug-Id: CID 1257772 Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* Add a side data type for audio service type.Anton Khirnov2015-01-27
| | | | | Currently, audio service type is a field in AVCodecContext. However, side data is more appropriate for this kind of information.
* lavu: add planar 16 bit and 8 bit rgb with alphaPaul B Mahol2015-01-14
| | | | Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* imgutils: create misc functions for dealing with buffersStefano Sabatini2015-01-14
| | | | | | | | | | | | | | | | | Move the lavc/imgconvert functions and rename them as follows: avpicture_get_size -> av_image_get_buffer_size() avpicture_fill -> av_image_fill_arrays() avpicture_layout -> av_image_copy_to_buffer() The new functions have an align parameter, which allows to define the linesize alignment assumed in the buffer (which is set or read). The names of the functions are consistent with the lavu/samples API (av_samples_get_buffer_size(), av_samples_fill_arrays()). A redundant check has been dropped from av_image_fill_arrays(). Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* opt: check memory allocationVittorio Giovara2015-01-05
| | | | | CC: libav-stable@libav.org Bug-Id: CID 1257771
* check memory errors from av_strdup()Vittorio Giovara2014-12-18
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* lavu: Refactor side data wipingLuca Barbato2014-12-18
| | | | | | | | And make sure the nb_side_data field is reset as well. Based on an initial patch from wm4 <nfxjfg@googlemail.com>. CC: libav-stable@libav.org
* thread: use "" instead of <> for including the w32pthreads wrapperAnton Khirnov2014-12-14
| | | | Found-by: Dave Yeo <dave.r.yeo@gmail.com>
* aarch64: Use .data.rel.ro for const data with relocationsMartin Storsjö2014-12-09
| | | | | | | This reverts commit c00365b46d464ce47716315c1801818d811bdb9a in addition to using a different section. Signed-off-by: Martin Storsjö <martin@martin.st>
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