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84 Commits

Author SHA1 Message Date
Paul B Mahol 78c8a76536 avcodec/get_bits: unbreak get_bits_le() with cached reader 2019-04-19 13:58:54 +02:00
Paul B Mahol 562f00ed07 avcodec/utvideodec: use cached bitstream reader everywhere except on x86_32 
From 100x real-time decoding to 138x real-time decoding for 320x240 video.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2018-08-30 12:00:27 +02:00
Michael Niedermayer 47b7c68ae5 avcodec/utvideodec: Set pro flag based on fourcc 
This avoids mixing 8bit variants with pro and 10bit with non pro mode.
Fixes: out of array read
Fixes: poc_03_30.avi

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-04-01 02:58:51 +02:00
Michael Niedermayer 7414d0bda7 avcodec/utvideodec: Check subsample factors 
Fixes: Out of array read
Fixes: heap_poc

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-02-27 12:23:23 +01:00
Michael Niedermayer 76cc0f0f67 avcodec/utvideodec: Add several out of array read related checks 
Fixes: OV_decode_plane.avi

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-02-11 03:04:48 +01:00
Michael Niedermayer 118e1b0b33 avcodec/utvideodec: Fix bytes left check in decode_frame() 
Fixes: out of array read
Fixes: poc-2017.avi

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-02-05 02:54:02 +01:00
Paul B Mahol 92b32664cd avcodec/utvideodec: add support for UMH2, UMY2, UMH4, UMY4, UMRA, UMRG 
These are new modes which are supposed to be more SIMD friendly.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2018-01-02 13:41:49 +01:00
Martin Vignali f2e9156eb6 avcodec/utvideodec : use gradient_pred dsp in interlace decoding 2017-12-19 20:55:08 +01:00
Martin Vignali 630967ef63 avcodec/utvideodec : add SIMD (SSSE3 and AVX2) for gradient_pred 2017-12-09 15:19:03 +01:00
Martin Vignali 9e1c9633cc avcodec/utvideodec : use dsp add_median_pred for second line 
process start of the line in scalar, before call dsp
(dsp need align 16)
 2017-12-09 15:11:12 +01:00
Martin Vignali 9c71473189 libavcodec/utvideo : simplify decode_plane 
the func is only call with step = 1
no need to pass it in the func
 2017-11-07 00:51:17 +01:00
James Almer b428d445a8 Merge commit '7c25523cc8e618e77dc84d960e41e9644eaf8c33' 
* commit '7c25523cc8e618e77dc84d960e41e9644eaf8c33':
  utvideodec: Fix decoding odd sizes with interlaced video with some formats

See 9ef21a897c

Merged-by: James Almer <jamrial@gmail.com>
 2017-10-30 14:25:15 -03:00
Michael Niedermayer 850c6db97d avcodec/utvideodec: Factor multiply out of inner loop 
0.5% faster loop

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-28 14:08:21 +02:00
Michael Niedermayer 5eb4701b7d avcodec/utvideodec: bswap directly without memcpy 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-28 14:08:21 +02:00
Michael Niedermayer 676a589c93 avcodec/utvideodec: enable unchecked bitreader 
inner reader loop becomes 16% faster

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-28 14:08:21 +02:00
Michael Niedermayer 9c604b34d4 avcodec/utvideodec: hardcode vlc bits 
2.5% faster vlc decoding

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-28 14:08:21 +02:00
Michael Niedermayer 1835c5e7a4 avcodec/utvideodec: Move bitstream end check out of inner loop 
This is not needed when the buffer is large enough for the worst case of a line

2% faster vlc reading

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-28 14:08:21 +02:00
Paul B Mahol 4ed7c2bbc3 avcodec/utvideodec: add SIMD for restore_rgb_planes 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-06-27 09:54:10 +02:00
Paul B Mahol 3594788b71 avcodec/utvideodec: decode to GBR(A)P 
This is actually internal utvideo format.
Allows to make use of SIMD for median prediction for rgb(a) formats,
thus speeding up decoding.
Simplifies code, eases further developement and maintenance.

Update FATE because of pixel format switch.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-06-26 20:11:58 +02:00
Paul B Mahol 7c25523cc8 utvideodec: Fix decoding odd sizes with interlaced video with some formats 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-04-25 00:38:07 +02:00
Paul B Mahol 4925537004 avcodec/utvideodec: fix gradient prediction when stride does not match width 
Fixes #6340.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-04-21 21:46:00 +02:00
Paul B Mahol 9ef21a897c avcodec/utvideodec: fix decoding odd sizes with interlaced video with some formats 
Fixes #6316.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-04-21 12:55:30 +02:00
Paul B Mahol 378460fef1 utvideodec: Support for gradient prediction 
Introduced with utvideo 18.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-04-15 15:37:18 +02:00
Paul B Mahol 9227bd8ac2 utvideodec: Reuse the huffyuv add_left 
~10% faster when simd is available.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-04-15 15:37:18 +02:00
Paul B Mahol 4f33d9d41a utvideodec: Support ULY4 and ULH4 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-04-15 15:37:18 +02:00
Paul B Mahol a93faf30d6 utvideodec: Support UQRA and UQRG 2017-04-15 15:37:18 +02:00
Paul B Mahol c523095564 utvideodec: Support UQY2 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-04-13 14:09:07 +02:00
Ganesh Ajjanagadde 1fe858136b utvideodec: Prevent possible signed overflow 
Doing slice_end - slice_start is unsafe and can lead to undefined behavior
until slice_end has been properly sanitized.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanag@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-04-13 13:37:10 +02:00
Paul B Mahol faa94a576f avcodec/utvideodec: add support for gradient prediction 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-04-07 20:11:23 +02:00
Clément Bœsch eed8ccde3e Merge commit '131a85a1fed9966bbd38517f76abfac0237e39dc' 
* commit '131a85a1fed9966bbd38517f76abfac0237e39dc':
  utvideo: Change type of array stride parameters to ptrdiff_t

Merged-by: Clément Bœsch <u@pkh.me>
 2017-03-20 11:33:48 +01:00
Martin Storsjö bc25897630 utvideodec: Add a missing include 
This was missing from 77c23704c7, fixing building.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2017-02-10 09:31:49 +02:00
Derek Buitenhuis 77c23704c7 avcodec: Mark some codecs with threadsafe init as such 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2017-02-09 23:28:18 +01:00
Derek Buitenhuis 91ed4e7196 avcodec: Mark some codecs with threadsafe init as such 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-07 23:31:25 +01:00
Diego Biurrun a25dac976a Use bitstream_init8() where appropriate 2017-02-07 18:27:21 +01:00
James Almer 47f212329e huffyuvdsp: move functions only used by huffyuv from lossless_videodsp 
Signed-off-by: James Almer <jamrial@gmail.com>
 2017-01-12 22:53:05 -03:00
James Almer 5ac1dd8e23 lossless_videodsp: move shared functions from huffyuvdsp 
Several codecs other than huffyuv use them.

Signed-off-by: James Almer <jamrial@gmail.com>
 2017-01-12 22:53:04 -03:00
Paul B Mahol 68e5598e22 avcodec/utvideo: fix mistake using wrong arguments for left and lefttop pixel components 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-12-24 10:59:26 +01:00
Paul B Mahol ea93052db3 avcodec/utvideodec: add SIMD support for median prediction for planar formats 
~10% faster overall.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-12-23 17:44:01 +01:00
Alexandra Hájková 104a4289f9 utvideodec: Convert to the new bitstream reader 2016-11-24 11:22:12 +01:00
Diego Biurrun 131a85a1fe utvideo: Change type of array stride parameters to ptrdiff_t 
ptrdiff_t is the correct type for array strides and similar.
 2016-09-08 13:51:30 +02:00
Paul B Mahol c62cb9bf5a avcodec/utvideodec: add support for ULY4 and ULH4 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-09-04 01:57:50 +02:00
Paul B Mahol 84efdabc94 avcodec/utvideodec: add support for UQRG and UQRA formats 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-06-12 01:07:23 +02:00
Paul B Mahol 3ecc59bc35 avcodec/utvideodec: fix multiple slices for UQY2 and other issues 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-06-11 21:31:49 +02:00
Paul B Mahol 115e63c8d6 avcodec/utvideo: add support for UQY2 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-06-11 18:36:39 +02:00
Ganesh Ajjanagadde e86444b19d lavc/utvideodec: prevent possible signed overflow 
Doing slice_end - slice_start is unsafe and can lead to undefined behavior
until slice_end has been properly sanitized.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanag@gmail.com>
 2016-02-23 20:37:11 -05:00
Michael Niedermayer 29d147c94d Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba' 
* 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>
 2015-07-27 23:15:19 +02:00
Michael Niedermayer 444e9874a7 Merge commit 'def97856de6021965db86c25a732d78689bd6bb0' 
* commit 'def97856de6021965db86c25a732d78689bd6bb0':
  lavc: AV-prefix all codec capabilities

Conflicts:
	cmdutils.c
	ffmpeg.c
	ffplay.c
	libavcodec/8svx.c
	libavcodec/aacenc.c
	libavcodec/ac3dec.c
	libavcodec/adpcm.c
	libavcodec/alac.c
	libavcodec/atrac3plusdec.c
	libavcodec/bink.c
	libavcodec/dnxhddec.c
	libavcodec/dvdec.c
	libavcodec/dvenc.c
	libavcodec/ffv1dec.c
	libavcodec/ffv1enc.c
	libavcodec/fic.c
	libavcodec/flacdec.c
	libavcodec/flacenc.c
	libavcodec/flvdec.c
	libavcodec/fraps.c
	libavcodec/frwu.c
	libavcodec/gifdec.c
	libavcodec/h261dec.c
	libavcodec/hevc.c
	libavcodec/iff.c
	libavcodec/imc.c
	libavcodec/libopenjpegdec.c
	libavcodec/libvo-aacenc.c
	libavcodec/libvorbisenc.c
	libavcodec/libvpxdec.c
	libavcodec/libvpxenc.c
	libavcodec/libx264.c
	libavcodec/mjpegbdec.c
	libavcodec/mjpegdec.c
	libavcodec/mpegaudiodec_float.c
	libavcodec/msmpeg4dec.c
	libavcodec/mxpegdec.c
	libavcodec/nvenc_h264.c
	libavcodec/nvenc_hevc.c
	libavcodec/pngdec.c
	libavcodec/qpeg.c
	libavcodec/ra288.c
	libavcodec/rv10.c
	libavcodec/s302m.c
	libavcodec/sp5xdec.c
	libavcodec/takdec.c
	libavcodec/tiff.c
	libavcodec/tta.c
	libavcodec/utils.c
	libavcodec/v210dec.c
	libavcodec/vp6.c
	libavcodec/vp9.c
	libavcodec/wavpack.c
	libavcodec/yop.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-27 22:50:18 +02:00
Vittorio Giovara 059a934806 lavc: Consistently prefix input buffer defines 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-07-27 15:24:59 +01:00
Vittorio Giovara def97856de lavc: AV-prefix all codec capabilities 
Express bitfields more simply.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-07-27 15:24:58 +01:00
Michael Niedermayer 0ce3a0f9d9 utvideodec: Handle slice_height being zero 
Fixes out of array accesses.

CC: libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Bug-Id: CVE-2014-9604
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2015-03-09 00:51:15 +01:00