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path: root/libavcodec/idctdsp.c
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2022-10-24avcodec/idctdsp: Move ScanTable to mpegvideoAndreas Rheinhardt
Only used there. Reviewed-by: Peter Ross <pross@xvid.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-24avcodec/idctdsp: Add function to apply permutation to arrayAndreas Rheinhardt
It is the part of ff_init_scantable() that is used by all users of said function. Reviewed-by: Peter Ross <pross@xvid.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-09-28lavc/idctdsp: RISC-V V put_pixels_clamped functionRémi Denis-Courmont
2022-06-15all: Replace if (ARCH_FOO) checks by #if ARCH_FOOAndreas Rheinhardt
This is more spec-compliant because it does not rely on dead-code elimination by the compiler. Especially MSVC has problems with this, as can be seen in https://ffmpeg.org/pipermail/ffmpeg-devel/2022-May/296373.html or https://ffmpeg.org/pipermail/ffmpeg-devel/2022-May/297022.html This commit does not eliminate every instance where we rely on dead code elimination: It only tackles branching to the initialization of arch-specific dsp code, not e.g. all uses of CONFIG_ and HAVE_ checks. But maybe it is already enough to compile FFmpeg with MSVC with whole-programm-optimizations enabled (if one does not disable too many components). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-03-16configure: Use a separate config_components.h header for $ALL_COMPONENTSMartin Storsjö
This avoids unnecessary rebuilds of most source files if only the list of enabled components has changed, but not the other properties of the build, set in config.h. Signed-off-by: Martin Storsjö <martin@martin.st>
2022-02-15lavc: deprecate FF_IDCT_NONEAnton Khirnov
It was only used by XvMC.
2022-02-13avcodec/idctdsp: Constify the permutation parameter of ff_init_scantableAndreas Rheinhardt
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-01-04avcodec: [loongarch] Optimize idctdstp with LASX.Hao Chen
./ffmpeg -i 8_mpeg4_1080p_24fps_12Mbps.avi -f rawvideo -y /dev/null -an before:433fps after :552fps Reviewed-by: 殷时友 <yinshiyou-hf@loongson.cn> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-05-30avcodec/idctdsp: Clear idct/idct_add for studio profileMichael Niedermayer
This does not leave them "as before" which may be a value from a previous profile Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-05-30avcodec/idctdsp: Transmit studio_profile to init instead of using ↵Michael Niedermayer
AVCodecContext profile These 2 fields are not always the same, it is simpler to always use the same field for detecting studio profile Fixes: null pointer dereference Fixes: ffmpeg_crash_3.avi Found-by: Thuan Pham <thuanpv@comp.nus.edu.sg>, Marcel Böhme, Andrew Santosa and Alexandru RazvanCaciulescu with AFLSmart Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-04-02mpeg4video: Add support for MPEG-4 Simple Studio Profile.Kieran Kunhya
This is a profile supporting > 8-bit video and has a higher quality DCT
2018-04-02simple_idct: Template functions to support an input bitdepth parameterKieran Kunhya
2017-10-12Fix visual glitch with XvMC, caused by wrong idct permutation.Ivan Kalvachev
In the past XvMC forced simple_idct since it was using FF_IDCT_PERM_NONE. However now we have SIMD variants of simple_idct that are using FF_IDCT_PERM_TRANSPOSE and if they are selected XvMC would get coefficients in the wrong order. The patch creates new FF_IDCT_NONE that is used only for this kind of hardware decoding and that fallbacks to the old C only simple idct. Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-04-06jrev/xvid: hardcode use of C put/add_pixels_clamped.Ronald S. Bultje
This removes the last use of the ff_put/add_pixels_clamped global function pointers, and as such they are removed. This patch has a negative effect on performance on MIPS, since there's a SIMD-optimized put/add_pixels_clamped, but no xvid or jrev. From a code maintenance point of view, that is probably acceptable. Because the global function pointers are removed, this fixes the following tsan warnings when running e.g. fate-dnxhr-parse: WARNING: ThreadSanitizer: data race (pid=29917) Write of size 8 at 0x0000025b12d8 by thread T2 (mutexes: write M1543): #0 ff_idctdsp_init src/libavcodec/idctdsp.c:313 (ffmpeg+0x00000044b68e) [..] Previous write of size 8 at 0x0000025b12d8 by thread T1 (mutexes: write M1541): #0 ff_idctdsp_init src/libavcodec/idctdsp.c:313 (ffmpeg+0x00000044b68e)
2017-03-21Merge commit '2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428'James Almer
* commit '2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428': idct: Change type of array stride parameters to ptrdiff_t Merged-by: James Almer <jamrial@gmail.com>
2017-03-16lavc/aarch64: add ff_simple_idct{,_add,_put}_neon functionsMatthieu Bouron
2016-09-29idct: Change type of array stride parameters to ptrdiff_tDiego Biurrun
ptrdiff_t is the correct type for array strides and similar.
2015-07-07avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for idctdsp functionsShivraj Patil
This patch adds MSA (MIPS-SIMD-Arch) optimizations for idctdsp functions in new file idctdsp_msa.c and simple_idct_msa.c Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-12-20avcodec/idctdsp: use the 10bit code for 9 bit tooMichael Niedermayer
9bit is currently not used Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-25avcodec/idctdsp: change {put,add}_pixels_clamped to ptrdiff_t line_sizeJames Almer
Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: James Almer <jamrial@gmail.com>
2014-09-08Merge commit '1274ea8dbaec44355bde07f6bb31fec0c4e6fd2d'Michael Niedermayer
* commit '1274ea8dbaec44355bde07f6bb31fec0c4e6fd2d': Split off floating point AAN (I)DCT into separate components Conflicts: configure libavcodec/Makefile libavcodec/dct-test.c libavcodec/idctdsp.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-08Split off floating point AAN (I)DCT into separate componentsDiego Biurrun
2014-09-03avcodec/idctdsp: Initialize ff_put/add_pixels_clamped correctly so that the ↵Michael Niedermayer
optimized functions are also used Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-03Merge commit '95c0cec03acec0a80cc1c7db48f3b2355d9e767b'Michael Niedermayer
* commit '95c0cec03acec0a80cc1c7db48f3b2355d9e767b': idctdsp: Add global function pointers for {add|put}_pixels_clamped functions Conflicts: libavcodec/arm/idctdsp_init_arm.c libavcodec/dct.h libavcodec/idctdsp.c libavcodec/jrevdct.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-03idctdsp: Add global function pointers for {add|put}_pixels_clamped functionsDiego Biurrun
These function pointers already existed in the ARM code. Adding them globally allows calls to the function pointers to access arch-optimized versions of the functions transparently.
2014-08-27Merge commit 'dcb7c868ec7af7d3a138b3254ef2e08f074d8ec5'Michael Niedermayer
* commit 'dcb7c868ec7af7d3a138b3254ef2e08f074d8ec5': cosmetics: Make naming scheme of Xvid IDCT consistent with other IDCTs Conflicts: libavcodec/mpeg4videodec.c libavcodec/x86/Makefile libavcodec/x86/dct-test.c libavcodec/x86/xvididct_sse2.c libavcodec/xvididct.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-13avcodec/idctdsp: make add/put_pixels_clamped_c internal functionsJames Almer
This reduces code duplication and differences with the fork. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-11avcodec/idctdsp: move add/put_pixels_clamped_c to headerMichael Niedermayer
This allows sharing them with the xvid IDCT Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-10avcodec: remove deprecated use of FF_IDCT_XVIDMMXMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit eedc3f36532e4c6de782fe1c2dc59d192418a8fc) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-08Merge commit '6f1960ab71b4f18551243ce22d01913108265233'Michael Niedermayer
* commit '6f1960ab71b4f18551243ce22d01913108265233': idct: cosmetics: Drop one unnecessary if-block level Conflicts: libavcodec/idctdsp.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-08idct: cosmetics: Drop one unnecessary if-block levelDiego Biurrun
2014-08-01Merge commit 'a786c8259dafeca9744252230b5d78f67810770c'Michael Niedermayer
* commit 'a786c8259dafeca9744252230b5d78f67810770c': idct: Split off Xvid IDCT Conflicts: libavcodec/Makefile libavcodec/mpeg4videodec.c libavcodec/x86/Makefile libavcodec/x86/idctdsp_init.c This split is somewhat restructured leaving the xvid IDCT available outside mpeg4 if manually selected. The code also could not be merged unchanged as it conflicted with a bugfix in FFmpeg Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-19Merge commit '8b0dd4942aac320d1ca3c40fa7ea1be342c71273'Michael Niedermayer
* commit '8b0dd4942aac320d1ca3c40fa7ea1be342c71273': idctdsp: prettyprinting cosmetics Conflicts: libavcodec/idctdsp.c libavcodec/ppc/idctdsp.c libavcodec/x86/idctdsp_init.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-19Merge commit 'b4987f72197e0c62cf2633bf835a9c32d2a445ae'Michael Niedermayer
* commit 'b4987f72197e0c62cf2633bf835a9c32d2a445ae': idct: Convert IDCT permutation #defines to an enum Conflicts: libavcodec/idctdsp.c libavcodec/x86/cavsdsp.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-18idctdsp: prettyprinting cosmeticsDiego Biurrun
2014-07-18idct: Convert IDCT permutation #defines to an enumDiego Biurrun
Also rename the enum values to be consistent with other DCT permutations.
2014-07-09alpha/idctdsp: move idct init code out of dsputilJames Almer
Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01Merge commit 'e3fcb14347466095839c2a3c47ebecff02da891e'Michael Niedermayer
* commit 'e3fcb14347466095839c2a3c47ebecff02da891e': dsputil: Split off IDCT bits into their own context Conflicts: configure libavcodec/aic.c libavcodec/arm/Makefile libavcodec/arm/dsputil_init_arm.c libavcodec/arm/dsputil_init_armv6.c libavcodec/asvdec.c libavcodec/dnxhdenc.c libavcodec/dsputil.c libavcodec/dvdec.c libavcodec/dxva2_mpeg2.c libavcodec/intrax8.c libavcodec/mdec.c libavcodec/mjpegdec.c libavcodec/mjpegenc_common.h libavcodec/mpegvideo.c libavcodec/ppc/dsputil_altivec.h libavcodec/ppc/dsputil_ppc.c libavcodec/ppc/idctdsp.c libavcodec/x86/Makefile libavcodec/x86/dsputil_init.c libavcodec/x86/dsputil_mmx.c libavcodec/x86/dsputil_x86.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-30dsputil: Split off IDCT bits into their own contextDiego Biurrun
    generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 01:44:24 +0300