summaryrefslogtreecommitdiff
path: root/libavcodec/mlpdsp.c
Commit message (Collapse)AuthorAgeFilesLines
* avcodec/mlpdsp: Fix signed integer overflow, 2nd tryMichael Niedermayer2017-11-271-1/+1
| | | | | | | | | | The outputted bits should match what is used in the lossless check Fixes: runtime error: signed integer overflow: -538697856 * 256 cannot be represented in type 'int' Fixes: 4326/clusterfuzz-testcase-minimized-5689449645080576 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mlpdsp: Fix undefined shift ff_mlp_pack_output()Michael Niedermayer2017-11-181-1/+1
| | | | | | | | Fixes: runtime error: left shift of negative value -7862264 Fixes: 4074/clusterfuzz-testcase-minimized-4516104123711488 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mlpdsp: Fix runtime error: signed integer overflow: -24419392 * 128 ↵Michael Niedermayer2017-05-211-1/+1
| | | | | | | | | cannot be represented in type 'int' Fixes: 1711/clusterfuzz-testcase-minimized-5248503515185152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mlp: Fix multiple runtime error: left shift of negative value -1Michael Niedermayer2017-05-131-2/+2
| | | | | | | Fixes: 1512/clusterfuzz-testcase-minimized-4713846423945216 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* truehd: break out part of output_data into platform-specific callback.Ben Avison2014-03-261-0/+38
| | | | | | | Verified with profiling that this doesn't have a measurable effect upon overall performance. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* truehd: break out part of rematrix_channels into platform-specific callback.Ben Avison2014-03-261-0/+33
| | | | | | | Verified with profiling that this doesn't have a measurable effect upon overall performance. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* truehd: add hand-scheduled ARM asm version of mlp_filter_channel.Ben Avison2014-03-261-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Profiling results for overall audio decode and the mlp_filter_channel(_arm) function in particular are as follows: Before After Mean StdDev Mean StdDev Confidence Change 6:2 total 380.4 22.0 370.8 17.0 87.4% +2.6% (insignificant) 6:2 function 60.7 7.2 36.6 8.1 100.0% +65.8% 8:2 total 357.0 17.5 343.2 19.0 97.8% +4.0% (insignificant) 8:2 function 60.3 8.8 37.3 3.8 100.0% +61.8% 6:6 total 717.2 23.2 658.4 15.7 100.0% +8.9% 6:6 function 140.4 12.9 81.5 9.2 100.0% +72.4% 8:8 total 981.9 16.2 896.2 24.5 100.0% +9.6% 8:8 function 193.4 15.0 103.3 11.5 100.0% +87.2% Experiments with adding preload instructions to this function yielded no useful benefit, so these have not been included. The assembly version has also been tested with a fuzz tester to ensure that any combinations of inputs not exercised by my available test streams still generate mathematically identical results to the C version. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* Merge commit '6fee1b90ce3bf4fbdfde7016e0890057c9000487'Michael Niedermayer2013-05-051-1/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '6fee1b90ce3bf4fbdfde7016e0890057c9000487': avcodec: Add av_cold attributes to init functions missing them Conflicts: libavcodec/aacpsy.c libavcodec/atrac3.c libavcodec/dvdsubdec.c libavcodec/ffv1.c libavcodec/ffv1enc.c libavcodec/h261enc.c libavcodec/h264_parser.c libavcodec/h264dsp.c libavcodec/h264pred.c libavcodec/libschroedingerenc.c libavcodec/libxvid_rc.c libavcodec/mpeg12.c libavcodec/mpeg12enc.c libavcodec/proresdsp.c libavcodec/rangecoder.c libavcodec/videodsp.c libavcodec/x86/proresdsp_init.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * avcodec: Add av_cold attributes to init functions missing themDiego Biurrun2013-05-041-1/+2
| |
* | Merge commit '088f38a4f9f54bb923405c67c9e72d96d90aa284'Michael Niedermayer2013-05-011-5/+5
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | * commit '088f38a4f9f54bb923405c67c9e72d96d90aa284': avcodec: Drop unnecessary ff_ name prefixes from static functions Conflicts: libavcodec/ass.c libavcodec/h264_parser.c libavcodec/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * avcodec: Drop unnecessary ff_ name prefixes from static functionsDiego Biurrun2013-04-301-5/+5
| |
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2012-10-111-3/+4
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: mlpdsp: adding missing file dsputil: split out mlp dsp function sh4: add required #include, fix build averror: make error values proper negative values build: do not use LIB as variable name build: whitespace cosmetics build: remove single-use variable THIS_LIB Conflicts: libavutil/error.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * dsputil: split out mlp dsp functionLuca Barbato2012-10-111-3/+4
| |
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2011-06-081-1/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: (28 commits) Remove some non-compiling debug messages. ffplay: Fix non-compiling debug printf and replace it by av_dlog. H264: x86 predict init cosmetics. ac3enc: Fix linking of AC-3 encoder without the E-AC-3 encoder. Move E-AC-3 encoder functions to a separate eac3enc.c file. ac3enc: remove convenience macro, #define DEBUG ac3enc: remove unused #define vc1: re-initialize tables after width/height change. APIchanges: fill-in git commit hash for av_get_bytes_per_sample() addition samplefmt: add av_get_bytes_per_sample() iirfilter: fix biquad filter coefficients. swscale: remove duplicate conversion routine in swScale(). swscale: add yuv2planar/packed function typedefs. swscale: integrate yuv2nv12X_C into yuv2yuvX() function pointers. swscale: reindent x86 init code. swscale: extract SWS_FULL_CHR_H_INT conditional into init code. swscale: cosmetics. swscale: remove alp/chr/lumSrcOffset. swscale: un-special-case yuv2yuvX16_c(). shorten: Remove stray DEBUG #define and corresponding av_dlog statement. ... Conflicts: doc/APIchanges libavcodec/ac3enc.c libavutil/avutil.h libavutil/samplefmt.c libswscale/swscale.c libswscale/swscale_internal.h libswscale/x86/swscale_template.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * Drop unnecessary directory prefixes from #include directives.Diego Biurrun2011-06-071-1/+1
| |
| * Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-191-4/+4
|/ | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* Move prototypes for various dsputil init functions to dsputil.hMåns Rullgård2010-03-061-2/+0
| | | | Originally committed as revision 22261 to svn://svn.ffmpeg.org/ffmpeg/trunk
* mlp: Re-enable x86-optimized DSP functions.Ramiro Polla2009-05-251-0/+4
| | | | Originally committed as revision 18936 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Revert part of r18903:Ramiro Polla2009-05-231-4/+0
| | | | | | | | | | | | MLP DSP functions x86-optimized. 12.59% overall speedup in x86_32 9.98% overall speedup in x86_64 compared to gcc 4.3.3 It breaks on x86_64 with PIC because the MANGLE macro appends (%%rip), which is not wanted for labels. Originally committed as revision 18904 to svn://svn.ffmpeg.org/ffmpeg/trunk
* MLP DSP functions x86-optimized.Ramiro Polla2009-05-231-0/+4
| | | | | | | | 12.59% overall speedup in x86_32 9.98% overall speedup in x86_64 compared to gcc 4.3.3 Originally committed as revision 18903 to svn://svn.ffmpeg.org/ffmpeg/trunk
* mlp: Simplify adressing of state and coeffs arrays for both filters by makingRamiro Polla2009-05-151-2/+6
| | | | | | the arrays sequential. Originally committed as revision 18841 to svn://svn.ffmpeg.org/ffmpeg/trunk
* mlp: include mlp.h and use MAX_CHANNELS instead of hardcoding value 8.Ramiro Polla2009-05-151-1/+2
| | | | Originally committed as revision 18840 to svn://svn.ffmpeg.org/ffmpeg/trunk
* mlpdec: Move MLP's filter_channel() to dsputils.Ramiro Polla2009-04-301-0/+56
Originally committed as revision 18721 to svn://svn.ffmpeg.org/ffmpeg/trunk
View Lorry Controller Status