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authorMichael Niedermayer <michaelni@gmx.at>2002-02-09 17:03:53 +0000
committerMichael Niedermayer <michaelni@gmx.at>2002-02-09 17:03:53 +0000
commitac6a2e4550d27bfd23c0c096b1ee10b1d76de213 (patch)
tree8a91d3bde9e30e67a46cb0a4ea838a7fe1770d3b /postproc/swscale.c
parent81401c1fbc79c3350e91ef15dd25b50afa9e5d4d (diff)
downloadffmpeg-ac6a2e4550d27bfd23c0c096b1ee10b1d76de213.tar.gz
bgr24toY in MMX
Originally committed as revision 4613 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc/swscale.c')
-rw-r--r--postproc/swscale.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/postproc/swscale.c b/postproc/swscale.c
index 511b10c317..dbd381c943 100644
--- a/postproc/swscale.c
+++ b/postproc/swscale.c
@@ -68,6 +68,8 @@ untested special converters
//#undef ARCH_X86
#define DITHER1XBPP
+#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
+
#define RET 0xC3 //near return opcode for X86
#ifdef MP_DEBUG
@@ -178,6 +180,14 @@ static uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
static uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
static uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
+#ifdef FAST_BGR2YV12
+static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000000210041000DULL;
+#else
+static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000020E540830C8BULL;
+#endif
+static const uint64_t bgr2YOffset __attribute__((aligned(8))) = 0x1010101010101010ULL;
+static const uint64_t w1111 __attribute__((aligned(8))) = 0x0001000100010001ULL;
+
// FIXME remove
static uint64_t __attribute__((aligned(8))) asm_yalpha1;
static uint64_t __attribute__((aligned(8))) asm_uvalpha1;