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path: root/libavcodec/get_bits.h
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2019-04-19avcodec/get_bits: unbreak get_bits_le() with cached readerPaul B Mahol
2019-03-02avcodec/get_bits: add assertion to limit ouptut value of get_bitsMarton Balint
Should fix the following Coverity false positives: Coverity CID #1415651. Coverity CID #1420392. Coverity CID #1420473. Coverity CID #1433770. Coverity CID #1435320. Coverity CID #1439573. Coverity CID #1439580. Coverity CID #1439588. Signed-off-by: Marton Balint <cus@passwd.hu>
2019-03-02avcodec/get_bits: use unsigned integers in show_bits and get_bitsMarton Balint
The return value is also unsigned. Signed-off-by: Marton Balint <cus@passwd.hu>
2018-08-30avcodec/get_bits: actually make cached reader correctly disabledJames Almer
2018-08-30avcodec/get_bits: add cached bitstream readerPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2018-04-07avcodec/get_bits: Document skip_bits_long()Michael Niedermayer
Found-by: Kieran Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-03-26avcodec/get_bits: Make sure the input bitstream with padding can be addressedMichael Niedermayer
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-29avcodec/get_bits: Document the return code of get_vlc2()Michael Niedermayer
Found-by: kierank Reviewed-by: Kieran Kunhya <kieran618@googlemail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-01-11avcodec: add Newtek SpeedHQ decoderSteinar H. Gunderson
This decoder can decode all existing SpeedHQ formats (SHQ0–5, 7, and 9), including correct decoding of the alpha channel. 1080p is decoded in 142 fps on one core of my i7-4600U (2.1 GHz Haswell), about evenly split between bitstream reader and IDCT. There is currently no attempt at slice or frame threading, even though the format trivially supports both. NewTek very helpfully provided a full set of SHQ samples, as well as source code for an SHQ2 encoder (not included) and assistance with understanding some details of the format.
2016-12-18avcodec/get_bits: add av_assert2 to get_bits_long()Paul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-12-04avcodec/get_bits: Fix get_sbits_long(0)Michael Niedermayer
Fixes undefined behavior Fixes: 640889-media Found-by: Matt Wolenetz <wolenetz@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-06-26Merge commit '52567e8198669a1e7493c75771613f87a90466c3'Hendrik Leppkes
* commit '52567e8198669a1e7493c75771613f87a90466c3': get_bits: Drop some TRACE-level debug code Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
2016-06-23Merge commit 'ffa190d0479d2370dd89c95692f822cbff2cc24c'Clément Bœsch
* commit 'ffa190d0479d2370dd89c95692f822cbff2cc24c': Move VLC and RL_VLC_ELEM structure definitions to a separate header Merged-by: Clément Bœsch <u@pkh.me>
2016-06-22lavc/get_bits: add a logging context to check_marker()Clément Bœsch
Based on d338abb664febbc2c7266af7818aab1f12dbc161
2016-06-21Merge commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb'Clément Bœsch
* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb': cosmetics: Fix spelling mistakes Merged-by: Clément Bœsch <u@pkh.me>
2016-05-22get_bits: Drop some TRACE-level debug codeDiego Biurrun
It will not be provided by the new bit reader anyway.
2016-05-17Move VLC and RL_VLC_ELEM structure definitions to a separate headerAlexandra Hájková
Use the newly created vlc.h directly instead of including get_bits when needed. The VLC and RL_VLC_ELEM structures are independent from the bitreader. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2016-05-16Move check_marker() from get_bits to mpeg4videodecAlexandra Hájková
MPEG-4 is the only decoder which uses check_marker(). Signed-off-by: Anton Khirnov <anton@khirnov.net>
2016-05-04cosmetics: Fix spelling mistakesVittorio Giovara
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2016-01-11lavc: Add get_bitsz()Andreas Cadhalpun
get_bit variant supporting 0-bits reads. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2016-01-11get_bits: Support max_depth > 2 in GET_RL_VLC_INTERNALKieran Kunhya
2016-01-03get_bits: add get_bitsz for reading 0-25 bitsAndreas Cadhalpun
This can be used to simplify code in a couple of places. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2015-12-14get_bits: Support max_depth > 2 in GET_RL_VLC_INTERNALKieran Kunhya
2015-07-28Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba'Michael Niedermayer
* commit '059a934806d61f7af9ab3fd9f74994b838ea5eba': lavc: Consistently prefix input buffer defines Conflicts: doc/examples/decoding_encoding.c libavcodec/4xm.c libavcodec/aac_adtstoasc_bsf.c libavcodec/aacdec.c libavcodec/aacenc.c libavcodec/ac3dec.h libavcodec/asvenc.c libavcodec/avcodec.h libavcodec/avpacket.c libavcodec/dvdec.c libavcodec/ffv1enc.c libavcodec/g2meet.c libavcodec/gif.c libavcodec/h264.c libavcodec/h264_mp4toannexb_bsf.c libavcodec/huffyuvdec.c libavcodec/huffyuvenc.c libavcodec/jpeglsenc.c libavcodec/libxvid.c libavcodec/mdec.c libavcodec/motionpixels.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/noise_bsf.c libavcodec/nuv.c libavcodec/nvenc.c libavcodec/options.c libavcodec/parser.c libavcodec/pngenc.c libavcodec/proresenc_kostya.c libavcodec/qsvdec.c libavcodec/svq1enc.c libavcodec/tiffenc.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/utvideoenc.c libavcodec/vc1dec.c libavcodec/wmalosslessdec.c libavformat/adxdec.c libavformat/aiffdec.c libavformat/apc.c libavformat/apetag.c libavformat/avidec.c libavformat/bink.c libavformat/cafdec.c libavformat/flvdec.c libavformat/id3v2.c libavformat/isom.c libavformat/matroskadec.c libavformat/mov.c libavformat/mpc.c libavformat/mpc8.c libavformat/mpegts.c libavformat/mvi.c libavformat/mxfdec.c libavformat/mxg.c libavformat/nutdec.c libavformat/oggdec.c libavformat/oggparsecelt.c libavformat/oggparseflac.c libavformat/oggparseopus.c libavformat/oggparsespeex.c libavformat/omadec.c libavformat/rawdec.c libavformat/riffdec.c libavformat/rl2.c libavformat/rmdec.c libavformat/rtpdec_latm.c libavformat/rtpdec_mpeg4.c libavformat/rtpdec_qdm2.c libavformat/rtpdec_svq3.c libavformat/sierravmd.c libavformat/smacker.c libavformat/smush.c libavformat/spdifenc.c libavformat/takdec.c libavformat/tta.c libavformat/utils.c libavformat/vqf.c libavformat/westwood_vqa.c libavformat/xmv.c libavformat/xwma.c libavformat/yop.c Merged-by: Michael Niedermayer <michael@niedermayer.cc>
2015-07-27lavc: Consistently prefix input buffer definesVittorio Giovara
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-04-20Merge commit '6a85dfc830f51f1f5c2d36d4182d265c1ea3ba25'Michael Niedermayer
* commit '6a85dfc830f51f1f5c2d36d4182d265c1ea3ba25': lavc: Replace av_dlog and tprintf with internal macros Conflicts: libavcodec/aacdec.c libavcodec/audio_frame_queue.c libavcodec/bitstream.c libavcodec/dcadec.c libavcodec/dnxhddec.c libavcodec/dvbsubdec.c libavcodec/dvdec.c libavcodec/dvdsubdec.c libavcodec/get_bits.h libavcodec/gifdec.c libavcodec/h264.h libavcodec/h264_cabac.c libavcodec/h264_cavlc.c libavcodec/h264_loopfilter.c libavcodec/h264_refs.c libavcodec/imc.c libavcodec/interplayvideo.c libavcodec/jpeglsdec.c libavcodec/libopencore-amr.c libavcodec/mjpegdec.c libavcodec/mpeg12dec.c libavcodec/mpegvideo_enc.c libavcodec/mpegvideo_parser.c libavcodec/pngdec.c libavcodec/ratecontrol.c libavcodec/rv10.c libavcodec/svq1dec.c libavcodec/vqavideo.c libavcodec/wmadec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2015-04-19lavc: Replace av_dlog and tprintf with internal macrosVittorio Giovara
2015-04-14avcodec/get_bits: print details of the location of the missing bit in ↵Michael Niedermayer
check_marker() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-03get_bits: remove unused assignmentVittorio Giovara
Bug-Id: CID 1238816
2014-09-05Merge commit 'b574e1e97ea7067a5fcd3876e30a67df0e4e6611'Michael Niedermayer
* commit 'b574e1e97ea7067a5fcd3876e30a67df0e4e6611': get_bits: Add OPEN_READER macro variant w/o size_plus8 Conflicts: libavcodec/get_bits.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-05get_bits: Add OPEN_READER macro variant w/o size_plus8Diego Biurrun
This avoids a trillion warnings from MSVC.
2014-09-03Merge commit '91d305790ea0f6fe0f54b48236da42181c39c18b'Michael Niedermayer
* commit '91d305790ea0f6fe0f54b48236da42181c39c18b': get_bits: Rename HAVE_BITS_REMAINING --> BITS_AVAILABLE Conflicts: libavcodec/golomb.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-02get_bits: Rename HAVE_BITS_REMAINING --> BITS_AVAILABLEDiego Biurrun
The HAVE_ prefix is reserved for macros set by configure.
2014-08-11avcodec/get_bits: add BITS_LEFT() for finding the bits left with an opened ↵Michael Niedermayer
reader Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-16get_bits: remove unused assignmentTimothy Gu
Signed-off-by: Timothy Gu <timothygu99@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-16avcodec/bitstream: try to make vlc init code inherently thread safeMichael Niedermayer
also remove spinlock, it doesnt work on AIX Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-05-10avcodec: better level/index printingMatthew Lindner
2014-05-09avcodec: include GET_RL_VLC() in trace outputMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-04-22Various small spelling fixes.Reimar Döffinger
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2013-10-30avcodec/get_bits: add skip_1stop_8data_bitsMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-09-30skip_bits: dont call UPDATE_CACHEMichael Niedermayer
UPDATE_CACHE isnt needed and can cause segfaults Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-30avcodec/get_bits: place volatile at the right spotMichael Niedermayer
Should fix Ticket2825 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-30avcodec/get_bits: init_state is used for thread sync, make it volatileMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-29avcodec/ff_init_vlc_sparse: use a spinlock for thread syncMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-05get_bits: add get_bits_le()Paul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-06-30get_xbits: assert validity of the number of bitsMichael Niedermayer
similar is already done in the other get_bits() functions Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-20get_bits: Return pointer to buffer that is the result of the alignmentRonald S. Bultje
This allows more transparent mixing of get_bits and whole-byte access without having to touch get_bits internals. Signed-off-by: Martin Storsjö <martin@martin.st>
2013-02-11get_bits: return pointer to buffer that is the result of the alignment.Ronald S. Bultje
This allows more transparent mixing of get_bits and whole-byte access without having to touch get_bits internals. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-22Merge commit '4af5310d29379283553bcd9f541a3f6c317f706e'Michael Niedermayer
* commit '4af5310d29379283553bcd9f541a3f6c317f706e': get_bits/put_bits: K&R formatting cosmetics Conflicts: libavcodec/get_bits.h libavcodec/put_bits.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-21get_bits/put_bits: K&R formatting cosmeticsDiego Biurrun
Signed-off-by: Diego Biurrun <diego@biurrun.de>
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