diff options
| author | Vishal Bhoj <vishal.bhoj@linaro.org> | 2011-11-11 18:09:08 +0530 |
|---|---|---|
| committer | Vishal Bhoj <vishal.bhoj@linaro.org> | 2011-11-11 19:15:47 +0530 |
| commit | 120c22ceb513ca37685854e467fb4cb482840d1c (patch) | |
| tree | bea205b17fb99bb2b943dc1c515e1c9400901f8b /libcamera/convert.S | |
| parent | 9f3cf8400b6c7e43b8ca434efb61acdbd42b3fa6 (diff) | |
camera: modified to support recordinglinaro_android_2.3.7linaro_android_2.3.5
The cameraHardware implementation has been
modified for recording and also to support
multipple resolutions.It also has additional
cameraParameters which are tried to access
by linphone application.
Note:Moving ahead we may have to add other
cameraparameters since there are a whole set
of parameters which application can querry
Change-Id: I7e3eee472c9ae0ca330d763b7272081962efb15b
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
Diffstat (limited to 'libcamera/convert.S')
| -rw-r--r-- | libcamera/convert.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libcamera/convert.S b/libcamera/convert.S new file mode 100644 index 0000000..5254a30 --- /dev/null +++ b/libcamera/convert.S @@ -0,0 +1,35 @@ + .arch armv7-a + .fpu neon + .text + + .globl yuyv422_to_yuv420sp + .type yuyv422_to_yuv420sp, STT_FUNC + .func yuyv422_to_yuv420sp +yuyv422_to_yuv420sp: + push {r4-r5,lr} + mul r12, r2, r3 + add r4, r0, r2, lsl #1 @ in_1 + add r5, r1, r2 @ out_1 + add lr, r1, r12 @ out_uv +1: + mov r12, r2 +2: + vld1.8 {q0}, [r0]! + vld1.8 {q1}, [r4]! + vuzp.8 d0, d1 + vuzp.8 d2, d3 + vhadd.u8 d1, d1, d3 + vrev16.8 d1, d1 + vst1.8 {d0}, [r1]! + vst1.8 {d2}, [r5]! + vst1.8 {d1}, [lr]! + subs r12, r12, #8 + bgt 2b + add r0, r0, r2, lsl #1 + add r4, r4, r2, lsl #1 + add r1, r1, r2 + add r5, r5, r2 + subs r3, r3, #2 + bgt 1b + pop {r4-r5,pc} +.endfunc |