1 files changed, 54 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p10/src_gcc/omxVCM4P10_TransformDequantChromaDCFromPair_s.S b/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p10/src_gcc/omxVCM4P10_TransformDequantChromaDCFromPair_s.S
new file mode 100644
index 0000000..28a89cb
--- /dev/null
+++ b/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p10/src_gcc/omxVCM4P10_TransformDequantChromaDCFromPair_s.S
@@ -0,0 +1,54 @@
+/*
+ * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
+ *
+ */
+
+    .eabi_attribute 24, 1
+    .eabi_attribute 25, 1
+
+    .arm
+    .fpu neon
+    .text
+
+    .global omxVCM4P10_TransformDequantChromaDCFromPair
+    .func   omxVCM4P10_TransformDequantChromaDCFromPair
+omxVCM4P10_TransformDequantChromaDCFromPair:
+    push    {r4-r10, lr}
+    ldr     r9, [r0,#0]
+    vmov.i16    d0, #0
+    mov     r8, #0x1f
+    vst1.16    {d0}, [r1]
+    ldrb    r6, [r9], #1
+unpackLoop:
+    tst     r6, #0x10
+    ldrnesb r5, [r9, #1]
+    ldrneb  r4, [r9], #2
+    and     r7, r8, r6, lsl #1
+    ldreqsb r4, [r9], #1
+    orrne   r4, r4, r5, lsl #8
+    tst     r6, #0x20
+    ldreqb  r6, [r9], #1
+    strh    r4, [r1, r7]
+    beq     unpackLoop
+    ldmia   r1, {r3, r4}
+    str     r9, [r0, #0]
+    ldr     r5, =armVCM4P10_QPDivTable
+    ldr     r6, =armVCM4P10_VMatrixQPModTable
+    saddsubx        r3, r3, r3
+    saddsubx        r4, r4, r4
+    ldrsb   r9, [r5, r2]
+    ldrsb   r2, [r6, r2]
+    sadd16  r5, r3, r4
+    ssub16  r6, r3, r4
+    lsl     r2, r2, r9
+    vmov    d0, r5, r6
+    vrev32.16  d0, d0
+    vdup.16    d1, r2
+    vmull.s16   q1, d0, d1
+    vshrn.i32   d2, q1, #1
+    vst1.16    {d2}, [r1]
+    mov     r0, #0
+    pop     {r4-r10, pc}
+    .endfunc
+
+    .end