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| author | Guenter Bartsch <guenter@users.sourceforge.net> | 2001-08-07 23:59:50 +0000 |
|---|---|---|
| committer | Guenter Bartsch <guenter@users.sourceforge.net> | 2001-08-07 23:59:50 +0000 |
| commit | 4c0836e8f1504db9bbb329a1351050a8ff2cf469 (patch) | |
| tree | 5a15df1f39b66be829da3641336d0cac1b846e34 /src/libffmpeg/libavcodec/jrevdct.c | |
| parent | 116de8566118cae73b42132985c174c372ed6c41 (diff) | |
| download | xine-lib-4c0836e8f1504db9bbb329a1351050a8ff2cf469.tar.gz xine-lib-4c0836e8f1504db9bbb329a1351050a8ff2cf469.tar.bz2 | |
latest ffmpeg updates - mmx works\! :-)
CVS patchset: 400
CVS date: 2001/08/07 23:59:50
Diffstat (limited to 'src/libffmpeg/libavcodec/jrevdct.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/jrevdct.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/libffmpeg/libavcodec/jrevdct.c b/src/libffmpeg/libavcodec/jrevdct.c index 2ef40f38e..246f1b190 100644 --- a/src/libffmpeg/libavcodec/jrevdct.c +++ b/src/libffmpeg/libavcodec/jrevdct.c @@ -197,16 +197,18 @@ void j_rev_dct(DCTBLOCK data) register int *idataptr = (int*)dataptr; + /* WARNING: we do the same permutation as MMX idct to simplify the + video core */ d0 = dataptr[0]; - d1 = dataptr[1]; - d2 = dataptr[2]; - d3 = dataptr[3]; - d4 = dataptr[4]; - d5 = dataptr[5]; - d6 = dataptr[6]; + d2 = dataptr[1]; + d4 = dataptr[2]; + d6 = dataptr[3]; + d1 = dataptr[4]; + d3 = dataptr[5]; + d5 = dataptr[6]; d7 = dataptr[7]; - if ((d1 == 0) && (idataptr[1] | idataptr[2] | idataptr[3]) == 0) { + if ((d1 | d2 | d3 | d4 | d5 | d6 | d7) == 0) { /* AC terms all zero */ if (d0) { /* Compute a 32 bit value to assign. */ |