FFmpeg

Commit Graph

Author	SHA1	Message	Date
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>	6 years ago
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>	7 years ago
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>	7 years ago
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>	7 years ago
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>	7 years ago
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>	7 years ago
Martin Vignali	f2e9156eb6	avcodec/utvideodec : use gradient_pred dsp in interlace decoding	7 years ago
Martin Vignali	630967ef63	avcodec/utvideodec : add SIMD (SSSE3 and AVX2) for gradient_pred	7 years ago
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)	7 years ago
Martin Vignali	9c71473189	libavcodec/utvideo : simplify decode_plane the func is only call with step = 1 no need to pass it in the func	7 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
Paul B Mahol	4ed7c2bbc3	avcodec/utvideodec: add SIMD for restore_rgb_planes Signed-off-by: Paul B Mahol <onemda@gmail.com>	8 years ago
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>	8 years ago
Luca Barbato	73fc82f343	vlc: Add header #include when the types are used Do not rely on indirectly including it from bitstream.h. Signed-off-by: Diego Biurrun <diego@biurrun.de>	8 years ago
Paul B Mahol	b812db66af	utvideodec: Fix gradient prediction when stride does not match width Signed-off-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
Paul B Mahol	a93faf30d6	utvideodec: Support UQRA and UQRG	8 years ago
Paul B Mahol	c523095564	utvideodec: Support UQY2 Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	8 years ago
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>	8 years ago
Paul B Mahol	faa94a576f	avcodec/utvideodec: add support for gradient prediction Signed-off-by: Paul B Mahol <onemda@gmail.com>	8 years ago
Martin Storsjö	bc25897630	utvideodec: Add a missing include This was missing from `77c23704c7`, fixing building. Signed-off-by: Martin Storsjö <martin@martin.st>	8 years ago
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>	8 years ago
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>	8 years ago
Diego Biurrun	a25dac976a	Use bitstream_init8() where appropriate	8 years ago
James Almer	47f212329e	huffyuvdsp: move functions only used by huffyuv from lossless_videodsp Signed-off-by: James Almer <jamrial@gmail.com>	8 years ago
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>	8 years ago
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>	8 years ago
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>	8 years ago
Alexandra Hájková	104a4289f9	utvideodec: Convert to the new bitstream reader	8 years ago
Diego Biurrun	131a85a1fe	utvideo: Change type of array stride parameters to ptrdiff_t ptrdiff_t is the correct type for array strides and similar.	8 years ago
Paul B Mahol	c62cb9bf5a	avcodec/utvideodec: add support for ULY4 and ULH4 Signed-off-by: Paul B Mahol <onemda@gmail.com>	8 years ago
Paul B Mahol	84efdabc94	avcodec/utvideodec: add support for UQRG and UQRA formats Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
Paul B Mahol	3ecc59bc35	avcodec/utvideodec: fix multiple slices for UQY2 and other issues Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
Paul B Mahol	115e63c8d6	avcodec/utvideo: add support for UQY2 Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
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>	9 years ago
Vittorio Giovara	059a934806	lavc: Consistently prefix input buffer defines Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Vittorio Giovara	def97856de	lavc: AV-prefix all codec capabilities Express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
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>	10 years ago
Michael Niedermayer	3881606240	avcodec/utvideodec: Fix handling of slice_height=0 Fixes out of array accesses Fixes: asan_heap-oob_25bcd7e_3783_cov_3553517262_utvideo_rgba_median.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	48efe9ec86	avcodec/utvideodec: Fix undefined behavior in shift Fixes: asan_heap-oob_2573085_3783_utvideo_rgba_median.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	7656c4c6e6	avcodec/utvideodec: fix assumtation that slice_height >= 1 Fixes out of array read Fixes: asan_heap-oob_2573085_3783_utvideo_rgba_median.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago

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83 Commits (dfb5046cf33b0cdb7d2b780d8d32e72b98a5914c)