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FFmpeg/libavcodec/armv4l

History

Måns Rullgård 77753f874a ARM: fix j_rev_dct_ARM ... This is a bugfix for ARMv4 assembly implementation of 'j_rev_dct' function. The problem was in the incorrect partially empty row detection. Even if the first two coefficients in the row were nonzero, it handled this just like the case with only the first nonzero coefficient. Now this function produces exactly the same output as the stripped down reference C version of 'j_rev_dct' (with the nested checks like 'if (d6) { if (d2) { ...' always evaluated as true, avoiding shortcut branches). Originally committed as revision 15805 to svn://svn.ffmpeg.org/ffmpeg/trunk		16 years ago
..
asm.S	…
dsputil_arm.c	Remove duplicated MM_* macros for CPU capabilities from dsputil.h.	16 years ago
dsputil_arm_s.S	…
dsputil_iwmmxt.c	Remove duplicated MM_* macros for CPU capabilities from dsputil.h.	16 years ago
dsputil_iwmmxt_rnd_template.c	…
dsputil_vfp.S	…
float_arm_vfp.c	…
jrevdct_arm.S	ARM: fix j_rev_dct_ARM	16 years ago
mathops.h	ARM: change MUL16() macro to inline function	16 years ago
mpegvideo_arm.c	…
mpegvideo_armv5te.c	…
mpegvideo_iwmmxt.c	Remove duplicated MM_* macros for CPU capabilities from dsputil.h.	16 years ago
simple_idct_arm.S	…
simple_idct_armv5te.S	…
simple_idct_armv6.S	…