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path: root/libavcodec/cabac.c
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2017-11-13Fix missing used attribute for inline assembly variablesThomas Köppe
Variables used in inline assembly need to be marked with attribute((used)). Static constants already were, via the define of DECLARE_ASM_CONST. But DECLARE_ALIGNED does not add this attribute, and some of the variables defined with it are const only used in inline assembly, and therefore appeared dead. This change adds a macro DECLARE_ASM_ALIGNED that marks variables as used. This change makes FFMPEG work with Clang's ThinLTO. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-10-22doc: fix spelling errorsAndreas Cadhalpun
Thanks to Mathieu Malaterre <malat@debian.org> for reporting the Que/Queue typo. (https://bugs.debian.org/839542) Reviewed-by: Lou Logan <lou@lrcd.com> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-06-21Merge commit '5c31eaa9998b2185e0aa04d11adff128498dc14a'Clément Bœsch
* commit '5c31eaa9998b2185e0aa04d11adff128498dc14a': Remove unnecessary get_bits.h #includes and add missing headers where needed. Merged-by: Clément Bœsch <clement@stupeflix.com>
2016-05-11Merge commit 'd12b5b2f135aade4099f4b26b0fe678656158c13'Derek Buitenhuis
* commit 'd12b5b2f135aade4099f4b26b0fe678656158c13': build: Split test programs off into separate files Some conversions done by: James Almer <jamrial@gmail.com> Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2016-05-04Remove unnecessary get_bits.h #includes and add missing headers where needed.Alexandra Hájková
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2016-02-24Merge commit '29c2d06d67724e994980045afa055c6c34611b30'Derek Buitenhuis
* commit '29c2d06d67724e994980045afa055c6c34611b30': cosmetics: Drop empty comment lines Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2016-02-18cosmetics: Drop empty comment linesDiego Biurrun
2016-01-23fate/cabac: replace uninitialized bytes by random bytesMichael Niedermayer
Fixes valgrind warning Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-01-22cabac: Ensure 2-byte cabac loads are on 2-byte boundryJohn Cox
Ensure that cabac init sets the bitstream pointer to an even value. It is often faster to load from an aligned boundry Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-11-27avcodec/cabac: Check initial cabac decoder stateMichael Niedermayer
Fixes integer overflows Fixes: 1430e9c43fae47a24c179c7c54f94918/signal_sigsegv_421427_2340_591e9810c7b09efe501ad84638c9e9f8.264 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Found-by: xiedingbao (Ticket4727) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-10-10cabac: Make cabac starts hardcodedAnton Khirnov
There's not much reason to generate such a small table at runtime. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2015-10-10Revert "cabac: Allow hardcoding CABAC table."Derek Buitenhuis
This becomes unuseful in the following commit. This reverts commit 092d1977cc7146f20c8db2155e7d648afb300de7. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2015-10-08cabac: Make CABAC states hardcodedAnton Khirnov
There is not much reason to generate such a small table at runtime. Signed-off-by: Derek Buitenhuis <derekb@vimeo.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-04-18avcodec/cabac: remove START/STOP_TIMER debug/benchmark codeMichael Niedermayer
Found-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-04-10cabac-test: Return 1 if there are any errorsTimothy Gu
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-06cabac: Allow hardcoding CABAC table.Reimar Döffinger
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2014-09-06cabac: initialize all of ff_h264_cabac_tables programmatically.Reimar Döffinger
Moves it from .data to .bss, slightly reducing binary size. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2014-01-26Merge commit 'fb0c9d41d685abb58575c5482ca33b8cd457c5ec'Michael Niedermayer
* commit 'fb0c9d41d685abb58575c5482ca33b8cd457c5ec': avutil: remove timer.h include from internal.h Conflicts: libavcodec/ffv1dec.c libavutil/internal.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-01-15cabac: remove leftovers from the cabac encoderJanne Grunau
The cabac encoder was only used by the removed cabac test. Signed-off-by: Janne Grunau <janne-libav@jannau.net>
2013-12-05avcodec/cabac: force get_cabac to be not inlinedMichael Niedermayer
works around bug in gccs inline asm register assignment Fixes Ticket3177 gcc from 4.4 to 4.6 is affected at least, no non affected gccs known clang seems not affected Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-09-25avcodec/cabac: remove h264_lps_stateMichael Niedermayer
The only use case of it was the selftest code, and there the slightly more complex indexing that is needed after its removial doesnt matter. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-09-25Merge commit 'cab8c5f8e140c96ba3725ab709d823abfd1e31a5'Michael Niedermayer
* commit 'cab8c5f8e140c96ba3725ab709d823abfd1e31a5': h264: do not reinitialize the global cabac tables at each slice header See: 1e2e2c8095de2d9ea3259305cfeff28f40e4ca12 Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-09-25Merge commit 'e880418660c80e2f12a123e131975cdb6b12cd13'Michael Niedermayer
* commit 'e880418660c80e2f12a123e131975cdb6b12cd13': cabac: remove write-only h264_mps_state[] Conflicts: libavcodec/cabac.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-09-24h264: do not reinitialize the global cabac tables at each slice headerAnton Khirnov
2013-09-24cabac: remove write-only h264_mps_state[]Anton Khirnov
2013-09-21avcodec: fix duplicate includesMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-13Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: hqdn3d: Fix out of array read in LOWPASS cabac: remove unused argument of ff_init_cabac_states() rawdec: fix a typo -- || instead of | Conflicts: libavcodec/cabac.c libavcodec/h264.c libavfilter/vf_hqdn3d.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-13cabac: remove unused argument of ff_init_cabac_states()Michael Niedermayer
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-11-14Drop broken and unused CABAC test program.Diego Biurrun
2012-08-26h264: ff_init_cabac_states doesnt use its argument thus remove itMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-07-07cabac: use av_assertMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-28h264: use one table instead of several for cabac functionsRoland Scheidegger
The reason is this is easier for PIC code (in particular on darwin...). Keep the old names as pointers (static in cabac_functions.h so gcc knows these are just immediate offsets) so the c code can nicely stay the same (alternatively could use offsets directly in the functions needing the tables). This should produce the same code as before with non-pic and better code (confirmed) with pic. The assembly uses the new table but still won't work for PIC case. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-28h264: (trivial) make ff_h264_lps_state staticRoland Scheidegger
not used outside the cabac test functions (which probably means it's a bad test if it doesn't use the same tables as the real functions?) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-141000l commit forgotten cabac fixMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-14Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: FATE: add tests for targa ARM: fix Thumb-mode simple_idct_arm ARM: 4-byte align start of all asm functions rgb2rgb: rgb12to15() swscale-test: fix stack overread. swscale: fix invalid conversions and memory problems. cabac: split cabac.h into declarations and function definitions cabac: Mark ff_h264_mps_state array as static, it is only used within cabac.c. cabac: Remove ff_h264_lps_state array. Conflicts: libswscale/rgb2rgb.h libswscale/swscale_unscaled.c tests/fate/image.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-13cabac: split cabac.h into declarations and function definitionsDiego Biurrun
This fixes standalone compilation of some decoders with --disable-optimizations. cabac.h defines some inline functions that use symbols from cabac.c. Without optimizations these inline functions are not eliminated and linking fails with references to non-existing symbols. Splitting the inline functions off into their own header and only #including it in the places where the inline functions are used allows #including cabac.h from anywhere without ill effects.
2012-01-13cabac: Mark ff_h264_mps_state array as static, it is only used within cabac.c.Diego Biurrun
2012-01-13cabac: Remove ff_h264_lps_state array.Diego Biurrun
It was only ever used in the cabac test program, but never initialized.
2012-01-10Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: fate: Add tests for more AAC features. aacps: Add missing newline in error message. fate: Add tests for vc1/wmapro in ism. aacdec: Add a fate test for 5.1 channel SBR. aacdec: Turn off PS for multichannel files that use PCE based configs. cabac: remove put_cabac_u/ueg from cabac-test. swscale: RGB4444 and BGR444 input FATE: add test for xWMA demuxer. FATE: add test for SMJPEG demuxer and associated IMA ADPCM audio decoder. mpegaudiodec: optimized iMDCT transform mpegaudiodec: change imdct window arrangment for better pointer alignment mpegaudiodec: move imdct and windowing function to mpegaudiodsp mpegaudiodec: interleave iMDCT buffer to simplify future SIMD implementations swscale: convert yuy2/uyvy/nv12/nv21ToY/UV from inline asm to yasm. FATE: test to exercise WTV demuxer. mjpegdec: K&R formatting cosmetics swscale: K&R formatting cosmetics for code examples swscale: K&R reformatting cosmetics for header files FATE test: cvid-grayscale; ensures that the grayscale Cinepak variant is exercised. Conflicts: libavcodec/cabac.c libavcodec/mjpegdec.c libavcodec/mpegaudiodec.c libavcodec/mpegaudiodsp.c libavcodec/mpegaudiodsp.h libavcodec/mpegaudiodsp_template.c libavcodec/x86/Makefile libavcodec/x86/imdct36_sse.asm libavcodec/x86/mpegaudiodec_mmx.c libswscale/swscale-test.c libswscale/swscale.c libswscale/swscale_internal.h libswscale/x86/swscale_template.c tests/fate/demux.mak tests/fate/microsoft.mak tests/fate/video.mak tests/fate/wma.mak tests/ref/lavfi/pixfmts_scale Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-09cabac: remove put_cabac_u/ueg from cabac-test.Diego Biurrun
The functions are not used in any part of Libav, therefore testing them in the cabac-test is unnecessary. Since this makes them unused, remove the functions.
2012-01-08Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: (29 commits) cabac: Move code only used within the CABAC test program into the test program. vp56: Drop unnecessary cabac.h #include. h264-test: Initialize AVCodecContext.av_class. build: Skip compiling network.h and rtsp.h if networking is not enabled. cosmetics: drop some pointless parentheses Disable annoying warning without changing behavior faq: Solutions for common problems with sample paths when running FATE. avcodec: attempt to clarify the CODEC_CAP_DELAY documentation avcodec: fix avcodec_encode_audio() documentation. FATE: xmv-demux test; exercise the XMV demuxer without decoding the perceptual codecs inside. vqf: recognize more metadata chunks FATE test: BMV demuxer and associated video and audio decoders. FATE: indeo4 video decoder test. FATE: update xxan-wc4 test to a sample with more code coverage. Change the recent h264_mp4toannexb bitstream filter test to output to an elementary stream rather than a program stream. g722enc: validate AVCodecContext.trellis g722enc: set frame_size, and also handle an odd number of input samples g722enc: split encoding into separate functions for trellis vs. no trellis mpegaudiodec: Use clearer pointer math tta: Fix returned error code at EOF ... Conflicts: libavcodec/h264.c libavcodec/indeo3.c libavcodec/interplayvideo.c libavcodec/ivi_common.c libavcodec/libxvidff.c libavcodec/mpegvideo.c libavcodec/ppc/mpegvideo_altivec.c libavcodec/tta.c libavcodec/utils.c libavfilter/vsrc_buffer.c libavformat/Makefile tests/fate/indeo.mak tests/ref/acodec/g722 Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-08cabac: Move code only used within the CABAC test program into the test program.Diego Biurrun
2012-01-05Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: (46 commits) mtv: Make sure audio_subsegments is not 0 v4l2: use V4L2_FMT_FLAG_EMULATED only if it is defined avconv: add symbolic names for -vsync parameters flvdec: Fix compiler warning for uninitialized variables rtsp: Fix compiler warning for uninitialized variable ulti: convert to new bytestream API. swscale: Use standard multiple inclusion guards in ppc/ header files. Place some START_TIMER invocations in separate blocks. v4l2: list available formats v4l2: set the proper codec_tag v4l2: refactor device_open v4l2: simplify away io_method v4l2: cosmetics v4l2: uniform and format options v4l2: do not force interlaced mode avio: exit early in fill_buffer without read_packet vc1dec: fix invalid memory access for small video dimensions rv34: fix invalid memory access for small video dimensions rv34: joint coefficient decoding and dequantization avplay: Don't call avio_set_interrupt_cb(NULL) ... Conflicts: Changelog avconv.c doc/APIchanges doc/indevs.texi libavcodec/adxenc.c libavcodec/dnxhdenc.c libavcodec/h264.c libavdevice/v4l2.c libavformat/flvdec.c libavformat/mtv.c libswscale/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-04cabac: drop unused and disabled get_cabac_u() / get_cabac_ueg() functionsDiego Biurrun
2012-01-04cabac: drop unused STRICT_LIMITS code branchDiego Biurrun
2011-09-10cabac test: Change input to test, so a wider range of states is tested.Michael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-10cabac test: match encode and decode sideMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-10cabac: fix cabac encoderMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-07-17Merge remote-tracking branch 'qatar/master'Michael Niedermayer
* qatar/master: ffmpeg: fix some indentation ffmpeg: fix operation with --disable-avfilter simple_idct: remove disabled code motion_est: remove disabled code vc1: remove disabled code fate: separate lavf-mxf_d10 test from lavf-mxf cabac: Move code only used in the cabac test program to cabac.c. ffplay: warn that -pix_fmt is no longer working, suggest alternative ffplay: warn that -s is no longer working, suggest alternative lavf: rename enc variable in utils.c:has_codec_parameters() lavf: use designated initialisers for all (de)muxers. wav: remove a use of deprecated AV_METADATA_ macro rmdec: remove useless ap parameter from rm_read_header_old() dct-test: remove write-only variable des: fix #if conditional around P_shuffle Use LOCAL_ALIGNED in ff_check_alignment() Conflicts: ffmpeg.c libavformat/avidec.c libavformat/matroskaenc.c libavformat/mp3enc.c libavformat/oggenc.c libavformat/utils.c tests/ref/lavf/mxf Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-07-17cabac: Move code only used in the cabac test program to cabac.c.Diego Biurrun
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