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Commit Graph

10 Commits (4dc18c78cd1872a6de0b9640a4c5eca35f5dfbfd)

Author	SHA1	Message	Date
Ramiro Polla	d4d09c8e42	lavc/aarch64/fdct: add neon-optimized fdct for aarch64 ... The code is imported from libjpeg-turbo-3.0.1. The neon registers used have been changed to avoid modifying v8-v15. Reviewed-by: Martin Storsjö <martin@martin.st>	6 months ago
Andreas Rheinhardt	8387241975	avcodec/dct: Move fdct function declarations to fdctdsp.h ... It is the more proper place for them given that this is the only API using them. Also use a forward-declaration of AVCodecContext in fdctdsp.h to avoid including avcodec.h in jfdct(fst|int).c. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>	1 year ago
Andreas Rheinhardt	40e6575aa3	all: Replace if (ARCH_FOO) checks by #if ARCH_FOO ... 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>	2 years ago
Michael Niedermayer	bb852f0066	avcodec/fdctdsp: use the 10bit code for 9 bit too ... 9bit is currently not used Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Diego Biurrun	1274ea8dba	Split off floating point AAN (I)DCT into separate components	10 years ago
Diego Biurrun	2b8b0da09c	fdctdsp: cosmetics: Drop one unnecessary if-block level	10 years ago
Diego Biurrun	a9aee08d90	dsputil: Split off FDCT bits into their own context	11 years ago