summaryrefslogtreecommitdiff
path: root/packages/mplayer/files/yuv.S
diff options
context:
space:
mode:
authorGregoire Gentil <gregoire@gentil.com>2008-11-23 22:59:23 +0100
committerKoen Kooi <koen@openembedded.org>2008-11-23 22:59:23 +0100
commit59f5a9c741bba79e6ebf8e6527142aeeb8ea9236 (patch)
treef587ca00c136e4873a7d71c426f0848fa9443fe4 /packages/mplayer/files/yuv.S
parenta989a5ab47bc885c1f3b7436c0ad1b41f42ec8cb (diff)
mplayer svn: add vo_omapfb for the overlay found in omap2/omap3 chips
Diffstat (limited to 'packages/mplayer/files/yuv.S')
-rw-r--r--packages/mplayer/files/yuv.S119
1 files changed, 119 insertions, 0 deletions
diff --git a/packages/mplayer/files/yuv.S b/packages/mplayer/files/yuv.S
new file mode 100644
index 0000000000..3eaf284a61
--- /dev/null
+++ b/packages/mplayer/files/yuv.S
@@ -0,0 +1,119 @@
+/*
+ Copyright (C) 2008 Mans Rullgard
+
+ Permission is hereby granted, free of charge, to any person
+ obtaining a copy of this software and associated documentation
+ files (the "Software"), to deal in the Software without
+ restriction, including without limitation the rights to use, copy,
+ modify, merge, publish, distribute, sublicense, and/or sell copies
+ of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ DEALINGS IN THE SOFTWARE.
+ */
+
+ .fpu neon
+ .text
+
+@ yuv420_to_yuv422(uint8_t *yuv, uint8_t *y, uint8_t *u, uint8_t *v,
+@ int w, int h, int yw, int cw, int dw)
+
+#define yuv r0
+#define y r1
+#define u r2
+#define v r3
+#define w r4
+#define h r5
+#define yw r6
+#define cw r7
+#define dw r8
+
+#define tyuv r9
+#define ty r10
+#define tu r11
+#define tv r12
+#define i lr
+
+ .global yuv420_to_yuv422
+ .func yuv420_to_yuv422
+yuv420_to_yuv422:
+ push {r4-r11,lr}
+ add r4, sp, #36
+ ldm r4, {r4-r8}
+ dmb
+1:
+ mov tu, u
+ mov tv, v
+ vld1.64 {d2}, [u,:64], cw @ u0
+ vld1.64 {d3}, [v,:64], cw @ v0
+ mov tyuv, yuv
+ mov ty, y
+ vzip.8 d2, d3 @ u0v0
+ mov i, #16
+2:
+ pld [y, #64]
+ vld1.64 {d0, d1}, [y,:128], yw @ y0
+ pld [u, #64]
+ subs i, i, #4
+ vld1.64 {d6}, [u,:64], cw @ u2
+ pld [y, #64]
+ vld1.64 {d4, d5}, [y,:128], yw @ y1
+ pld [v, #64]
+ vld1.64 {d7}, [v,:64], cw @ v2
+ pld [y, #64]
+ vld1.64 {d16,d17}, [y,:128], yw @ y2
+ vzip.8 d6, d7 @ u2v2
+ pld [u, #64]
+ vld1.64 {d22}, [u,:64], cw @ u4
+ pld [v, #64]
+ vld1.64 {d23}, [v,:64], cw @ v4
+ pld [y, #64]
+ vld1.64 {d20,d21}, [y,:128], yw @ y3
+ vmov q9, q3 @ u2v2
+ vzip.8 d22, d23 @ u4v4
+ vrhadd.u8 q3, q1, q3 @ u1v1
+ vzip.8 q0, q1 @ y0u0y0v0
+ vmov q12, q11 @ u4v4
+ vzip.8 q2, q3 @ y1u1y1v1
+ vrhadd.u8 q11, q9, q11 @ u3v3
+ vst1.64 {d0-d3}, [yuv,:128], dw @ y0u0y0v0
+ vzip.8 q8, q9 @ y2u2y2v2
+ vst1.64 {d4-d7}, [yuv,:128], dw @ y1u1y1v1
+ vzip.8 q10, q11 @ y3u3y3v3
+ vst1.64 {d16-d19}, [yuv,:128], dw @ y2u2y2v2
+ vmov q1, q12
+ vst1.64 {d20-d23}, [yuv,:128], dw @ y3u3y3v3
+ bgt 2b
+
+ subs w, w, #16
+ add yuv, tyuv, #32
+ add y, ty, #16
+ add u, tu, #8
+ add v, tv, #8
+ bgt 1b
+
+ ldr w, [sp, #36]
+ subs h, h, #16
+ add yuv, yuv, dw, lsl #4
+ sub yuv, yuv, w, lsl #1
+ add y, y, yw, lsl #4
+ sub y, y, w
+ add u, u, cw, lsl #3
+ sub u, u, w, asr #1
+ add v, v, cw, lsl #3
+ sub v, v, w, asr #1
+ bgt 1b
+
+ pop {r4-r11,pc}
+ .endfunc
+