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* Drop unnecessary av_unused attributes.Diego Biurrun2014-09-05
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* Remove a number of unnecessary dsputil.h #includesDiego Biurrun2014-04-04
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* vp56data: Move all shared enum/struct declarations to common headerDiego Biurrun2013-08-15
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* vp56: Use hpeldsp instead of dsputil for half-pel functionsRonald S. Bultje2013-04-19
| | | | | | This makes vp5 and vp6 independent of dsputil. Signed-off-by: Martin Storsjö <martin@martin.st>
* vp3: Use full transpose for all IDCTsRonald S. Bultje2013-04-15
| | | | | | | | | | | This way, the special IDCT permutations are no longer needed. This is similar to how H264 does it, and removes the dsputil dependency imposed by the scantable code. Also remove the unused type == 0 cases from the plain C version of the idct. Signed-off-by: Martin Storsjö <martin@martin.st>
* lavc decoders: work with refcounted frames.Anton Khirnov2013-03-08
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* dsputil: Separate h264chromaDiego Biurrun2013-02-06
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* Drop DCTELEM typedefDiego Biurrun2013-01-22
| | | | | | It does not help as an abstraction and adds dsputil dependencies. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* lavc: introduce VideoDSPContextRonald S. Bultje2012-12-20
| | | | | | | | Move some functions from dsputil. The idea is that videodsp contains functions that are useful for a large and varied set of video decoders. Currently, it contains emulated_edge_mc() and prefetch(). Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* vp56: make parse_header return standard error codesLuca Barbato2012-12-14
| | | | | | Returning 0 for failure is misleading. CC: libav-stable@libav.org
* lavc: fix decode_frame() third parameter semantics for video decodersAnton Khirnov2012-12-04
| | | | It's got_frame, not data size
* Give all anonymously typedeffed structs in headers a nameDiego Biurrun2012-10-06
| | | | Anonymous structs cannot be forward declared and have no benefit.
* vp56: Don't use DECLARE_ALIGN on a typedef nameDerek Buitenhuis2012-08-27
| | | | | | | | | | | | Instead, use it on the first member, since by definition, if any member is aligned, the whole struct must be, in order to maintain that alignment. Fixes compilation with some finicky compilers. Idea for fix from Måns Rullgård. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* vp3: move idct and loop filter pointers to new vp3dsp contextMans Rullgard2012-07-18
| | | | | | | | This moves all VP3-specific function pointers from dsputil to a new vp3dsp context. There is no reason to ever use the VP3 IDCT where an MPEG2 IDCT is expected or vice versa. Signed-off-by: Mans Rullgard <mans@mansr.com>
* vp56: Drop unnecessary cabac.h #include.Diego Biurrun2012-01-07
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* vp6: Check for huffman tree build errorsLaurent Aimar2011-10-07
| | | | Signed-off-by: Janne Grunau <janne-libav@jannau.net>
* doxygen: do not include license boilerplate in Doxygen documentationDiego Biurrun2011-07-15
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* Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-19
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* ARM optimised vp56_rac_get_prob()Mans Rullgard2011-02-11
| | | | | | Approximately 3% faster on Cortex-A8. Signed-off-by: Mans Rullgard <mans@mansr.com>
* VP5/6/8: ~7% faster arithmetic decodingJason Garrett-Glaser2010-08-12
| | | | | | | Grab from the bitstream in 16-bit chunks instead of 8-bit chunks. TODO: grab in 32-bit chunks on 64-bit systems. Originally committed as revision 24783 to svn://svn.ffmpeg.org/ffmpeg/trunk
* VP5/6/8: eliminate CABAC dependencyJason Garrett-Glaser2010-08-04
| | | | | | | Create a custom table for VP5/6/8's renorm to avoid depending on H.264's. Saves one instruction in the arithmetic decoder as well. Originally committed as revision 24701 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Silence unused function warnings in vp56.hJason Garrett-Glaser2010-08-03
| | | | Originally committed as revision 24684 to svn://svn.ffmpeg.org/ffmpeg/trunk
* VP5/6/8: tweak some arithcoder inliningJason Garrett-Glaser2010-08-03
| | | | | | | Always inline the arithmetic coder, except in the case of header-parsing stuff, in which case don't inline it at all to save code size. Originally committed as revision 24677 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Reindent after last commit.Alex Converse2010-07-28
| | | | Originally committed as revision 24562 to svn://svn.ffmpeg.org/ffmpeg/trunk
* ff_prefix non static vp56 functions.Alex Converse2010-07-28
| | | | Originally committed as revision 24561 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Inline asm for VP56 arith coderEli Friedman2010-07-23
| | | | | | | | | This is a lot more reliable to get cmov rather than trying to trick gcc into generating it, useful since it's 2% faster overall. Patch by Eli Friedman <eli.friedman at gmail> Originally committed as revision 24471 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Decode DCT tokens by branching to a different code path for each branchDavid Conrad2010-07-23
| | | | | | | | | | on the huffman tree, instead of traversing the tree in a while loop. Based on the similar optimization in libvpx's detokenize.c 10% faster at normal bitrates, and 30% faster for high-bitrate intra-only Originally committed as revision 24468 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Move renormalization of the VP56 arith decoder to before decoding a bitDavid Conrad2010-07-23
| | | | | | | No difference at the moment, but allows a future branchy variant of vp56_rac_get_prob to be significantly faster Originally committed as revision 24467 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Split renorm of vp56 arith decoder to its own functionDavid Conrad2010-07-23
| | | | Originally committed as revision 24466 to svn://svn.ffmpeg.org/ffmpeg/trunk
* vp56's arith decoder's code_word is only 16 bits, no need for unsigned longDavid Conrad2010-07-23
| | | | Originally committed as revision 24465 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Much faster VP8 mv and mode predictionJason Garrett-Glaser2010-07-22
| | | | Originally committed as revision 24412 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Convert vp56_mv to 16-bit.Jason Garrett-Glaser2010-07-22
| | | | | | | Saves nothing except a bit of memory/cache now, but will allow future optimizations. Originally committed as revision 24411 to svn://svn.ffmpeg.org/ffmpeg/trunk
* cosmetic: improve comment breaking at 80 colsAurelien Jacobs2010-07-01
| | | | Originally committed as revision 23938 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Eliminate another redundant instruction in vp56/8 arithcoderJason Garrett-Glaser2010-06-30
| | | | | | | | | | | | | Necessary because of this GCC bug: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44474 To do this, convert some, but not all (!) of the variables in VP56RangeCoder into local variables. If we convert c->high into a local variable, gcc gets the stupids and refuses to use a conditional move for the unpredictable main branch. TODO: dispense with this bullshit and write an asm version. Originally committed as revision 23924 to svn://svn.ffmpeg.org/ffmpeg/trunk
* CMOV-ify vp56 arithcoderJason Garrett-Glaser2010-06-30
| | | | | | | | | This incantation causes gcc 4.3 to generate cmov on x86, a vastly better option than a completely unpredictable branch. Hopefully this carries over to newer versions and other CPUs with conditionals. ~5 cycles saved per call on a Core i7. Originally committed as revision 23921 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Optimize vp56 arithmetic decoderJason Garrett-Glaser2010-06-30
| | | | | | Negate "bits" to eliminate a negate in cache refilling. Originally committed as revision 23920 to svn://svn.ffmpeg.org/ffmpeg/trunk
* renormalize VP5/6/7/8 range coder without loopStefan Gehrer2010-06-30
| | | | Originally committed as revision 23915 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Native VP8 decoder.David Conrad2010-06-22
| | | | | | Patch by David Conrad <lessen42 gmail com> and myself. Originally committed as revision 23719 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Change a / 256 into a >> 8.Ronald S. Bultje2010-06-22
| | | | Originally committed as revision 23718 to svn://svn.ffmpeg.org/ffmpeg/trunk
* VP56: move vp56_edge_filter to new VP56DSPContextMåns Rullgård2010-04-30
| | | | | | | | | | Using macro templates allows the vp[56]_adjust functions to be inlined instead of called through function pointers. The new function pointers enable optimised implementations of the filters. 4% faster VP6 decoding on Cortex-A8. Originally committed as revision 22992 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Remove explicit filename from Doxygen @file commands.Diego Biurrun2010-04-20
| | | | | | | | Passing an explicit filename to this command is only necessary if the documentation in the @file block refers to a file different from the one the block resides in. Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Remove DECLARE_ALIGNED_{8,16} macrosMåns Rullgård2010-03-06
| | | | | | | These macros are redundant. All uses are replaced with the generic DECLARE_ALIGNED macro instead. Originally committed as revision 22233 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Make VP5 and VP6 decoders output a qscale table to allow for more automaticReimar Döffinger2010-01-29
| | | | | | post-processing, and add a new FF_QSCALE_TYPE_VP56 for this. Originally committed as revision 21529 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Move array specifiers outside DECLARE_ALIGNED() invocationsMåns Rullgård2010-01-22
| | | | Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk
* vp56dec: ensure range coder won't read past the end of input bufferAurelien Jacobs2009-07-05
| | | | Originally committed as revision 19348 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Rename bitstream.h to get_bits.h.Stefano Sabatini2009-04-13
| | | | Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
* fix vp5/vp6 decoding by using new prototype for decode functionAurelien Jacobs2009-04-07
| | | | Originally committed as revision 18352 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Use full internal pathname in doxygen @file directives.Diego Biurrun2009-02-01
| | | | | | | Otherwise doxygen complains about ambiguous filenames when files exist under the same name in different subdirectories. Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
* rename Vp56Model to VP56Model for consistencyAurelien Jacobs2008-12-12
| | | | Originally committed as revision 16073 to svn://svn.ffmpeg.org/ffmpeg/trunk
* cosmetics: vertical alignmentAurelien Jacobs2008-12-11
| | | | Originally committed as revision 16069 to svn://svn.ffmpeg.org/ffmpeg/trunk
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