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-rw-r--r--vp8/common/arm/reconintra4x4_arm.c408
1 files changed, 408 insertions, 0 deletions
diff --git a/vp8/common/arm/reconintra4x4_arm.c b/vp8/common/arm/reconintra4x4_arm.c
new file mode 100644
index 000000000..334d35236
--- /dev/null
+++ b/vp8/common/arm/reconintra4x4_arm.c
@@ -0,0 +1,408 @@
+/*
+ * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license and patent
+ * grant that can be found in the LICENSE file in the root of the source
+ * tree. All contributing project authors may be found in the AUTHORS
+ * file in the root of the source tree.
+ */
+
+
+#include "vpx_ports/config.h"
+#include "recon.h"
+#include "vpx_mem/vpx_mem.h"
+#include "reconintra.h"
+
+void vp8_predict_intra4x4(BLOCKD *x,
+ int b_mode,
+ unsigned char *predictor)
+{
+ int i, r, c;
+
+ unsigned char *Above = *(x->base_dst) + x->dst - x->dst_stride;
+ unsigned char Left[4];
+ unsigned char top_left = Above[-1];
+
+ Left[0] = (*(x->base_dst))[x->dst - 1];
+ Left[1] = (*(x->base_dst))[x->dst - 1 + x->dst_stride];
+ Left[2] = (*(x->base_dst))[x->dst - 1 + 2 * x->dst_stride];
+ Left[3] = (*(x->base_dst))[x->dst - 1 + 3 * x->dst_stride];
+
+ switch (b_mode)
+ {
+ case B_DC_PRED:
+ {
+ int expected_dc = 0;
+
+ for (i = 0; i < 4; i++)
+ {
+ expected_dc += Above[i];
+ expected_dc += Left[i];
+ }
+
+ expected_dc = (expected_dc + 4) >> 3;
+
+ for (r = 0; r < 4; r++)
+ {
+ for (c = 0; c < 4; c++)
+ {
+ predictor[c] = expected_dc;
+ }
+
+ predictor += 16;
+ }
+ }
+ break;
+ case B_TM_PRED:
+ {
+ // prediction similar to true_motion prediction
+ for (r = 0; r < 4; r++)
+ {
+ for (c = 0; c < 4; c++)
+ {
+ int pred = Above[c] - top_left + Left[r];
+
+ if (pred < 0)
+ pred = 0;
+
+ if (pred > 255)
+ pred = 255;
+
+ predictor[c] = pred;
+ }
+
+ predictor += 16;
+ }
+ }
+ break;
+
+ case B_VE_PRED:
+ {
+
+ unsigned int ap[4];
+ ap[0] = (top_left + 2 * Above[0] + Above[1] + 2) >> 2;
+ ap[1] = (Above[0] + 2 * Above[1] + Above[2] + 2) >> 2;
+ ap[2] = (Above[1] + 2 * Above[2] + Above[3] + 2) >> 2;
+ ap[3] = (Above[2] + 2 * Above[3] + Above[4] + 2) >> 2;
+
+ for (r = 0; r < 4; r++)
+ {
+ for (c = 0; c < 4; c++)
+ {
+
+ predictor[c] = ap[c];
+ }
+
+ predictor += 16;
+ }
+
+ }
+ break;
+
+
+ case B_HE_PRED:
+ {
+
+ unsigned int lp[4];
+ lp[0] = (top_left + 2 * Left[0] + Left[1] + 2) >> 2;
+ lp[1] = (Left[0] + 2 * Left[1] + Left[2] + 2) >> 2;
+ lp[2] = (Left[1] + 2 * Left[2] + Left[3] + 2) >> 2;
+ lp[3] = (Left[2] + 2 * Left[3] + Left[3] + 2) >> 2;
+
+ for (r = 0; r < 4; r++)
+ {
+ for (c = 0; c < 4; c++)
+ {
+ predictor[c] = lp[r];
+ }
+
+ predictor += 16;
+ }
+ }
+ break;
+ case B_LD_PRED:
+ {
+ unsigned char *ptr = Above;
+ predictor[0 * 16 + 0] = (ptr[0] + ptr[1] * 2 + ptr[2] + 2) >> 2;
+ predictor[0 * 16 + 1] =
+ predictor[1 * 16 + 0] = (ptr[1] + ptr[2] * 2 + ptr[3] + 2) >> 2;
+ predictor[0 * 16 + 2] =
+ predictor[1 * 16 + 1] =
+ predictor[2 * 16 + 0] = (ptr[2] + ptr[3] * 2 + ptr[4] + 2) >> 2;
+ predictor[0 * 16 + 3] =
+ predictor[1 * 16 + 2] =
+ predictor[2 * 16 + 1] =
+ predictor[3 * 16 + 0] = (ptr[3] + ptr[4] * 2 + ptr[5] + 2) >> 2;
+ predictor[1 * 16 + 3] =
+ predictor[2 * 16 + 2] =
+ predictor[3 * 16 + 1] = (ptr[4] + ptr[5] * 2 + ptr[6] + 2) >> 2;
+ predictor[2 * 16 + 3] =
+ predictor[3 * 16 + 2] = (ptr[5] + ptr[6] * 2 + ptr[7] + 2) >> 2;
+ predictor[3 * 16 + 3] = (ptr[6] + ptr[7] * 2 + ptr[7] + 2) >> 2;
+
+ }
+ break;
+ case B_RD_PRED:
+ {
+
+ unsigned char pp[9];
+
+ pp[0] = Left[3];
+ pp[1] = Left[2];
+ pp[2] = Left[1];
+ pp[3] = Left[0];
+ pp[4] = top_left;
+ pp[5] = Above[0];
+ pp[6] = Above[1];
+ pp[7] = Above[2];
+ pp[8] = Above[3];
+
+ predictor[3 * 16 + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
+ predictor[3 * 16 + 1] =
+ predictor[2 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
+ predictor[3 * 16 + 2] =
+ predictor[2 * 16 + 1] =
+ predictor[1 * 16 + 0] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
+ predictor[3 * 16 + 3] =
+ predictor[2 * 16 + 2] =
+ predictor[1 * 16 + 1] =
+ predictor[0 * 16 + 0] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
+ predictor[2 * 16 + 3] =
+ predictor[1 * 16 + 2] =
+ predictor[0 * 16 + 1] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
+ predictor[1 * 16 + 3] =
+ predictor[0 * 16 + 2] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
+ predictor[0 * 16 + 3] = (pp[6] + pp[7] * 2 + pp[8] + 2) >> 2;
+
+ }
+ break;
+ case B_VR_PRED:
+ {
+
+ unsigned char pp[9];
+
+ pp[0] = Left[3];
+ pp[1] = Left[2];
+ pp[2] = Left[1];
+ pp[3] = Left[0];
+ pp[4] = top_left;
+ pp[5] = Above[0];
+ pp[6] = Above[1];
+ pp[7] = Above[2];
+ pp[8] = Above[3];
+
+
+ predictor[3 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
+ predictor[2 * 16 + 0] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
+ predictor[3 * 16 + 1] =
+ predictor[1 * 16 + 0] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
+ predictor[2 * 16 + 1] =
+ predictor[0 * 16 + 0] = (pp[4] + pp[5] + 1) >> 1;
+ predictor[3 * 16 + 2] =
+ predictor[1 * 16 + 1] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
+ predictor[2 * 16 + 2] =
+ predictor[0 * 16 + 1] = (pp[5] + pp[6] + 1) >> 1;
+ predictor[3 * 16 + 3] =
+ predictor[1 * 16 + 2] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
+ predictor[2 * 16 + 3] =
+ predictor[0 * 16 + 2] = (pp[6] + pp[7] + 1) >> 1;
+ predictor[1 * 16 + 3] = (pp[6] + pp[7] * 2 + pp[8] + 2) >> 2;
+ predictor[0 * 16 + 3] = (pp[7] + pp[8] + 1) >> 1;
+
+ }
+ break;
+ case B_VL_PRED:
+ {
+
+ unsigned char *pp = Above;
+
+ predictor[0 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
+ predictor[1 * 16 + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
+ predictor[2 * 16 + 0] =
+ predictor[0 * 16 + 1] = (pp[1] + pp[2] + 1) >> 1;
+ predictor[1 * 16 + 1] =
+ predictor[3 * 16 + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
+ predictor[2 * 16 + 1] =
+ predictor[0 * 16 + 2] = (pp[2] + pp[3] + 1) >> 1;
+ predictor[3 * 16 + 1] =
+ predictor[1 * 16 + 2] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
+ predictor[0 * 16 + 3] =
+ predictor[2 * 16 + 2] = (pp[3] + pp[4] + 1) >> 1;
+ predictor[1 * 16 + 3] =
+ predictor[3 * 16 + 2] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
+ predictor[2 * 16 + 3] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
+ predictor[3 * 16 + 3] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
+ }
+ break;
+
+ case B_HD_PRED:
+ {
+ unsigned char pp[9];
+ pp[0] = Left[3];
+ pp[1] = Left[2];
+ pp[2] = Left[1];
+ pp[3] = Left[0];
+ pp[4] = top_left;
+ pp[5] = Above[0];
+ pp[6] = Above[1];
+ pp[7] = Above[2];
+ pp[8] = Above[3];
+
+
+ predictor[3 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
+ predictor[3 * 16 + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
+ predictor[2 * 16 + 0] =
+ predictor[3 * 16 + 2] = (pp[1] + pp[2] + 1) >> 1;
+ predictor[2 * 16 + 1] =
+ predictor[3 * 16 + 3] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
+ predictor[2 * 16 + 2] =
+ predictor[1 * 16 + 0] = (pp[2] + pp[3] + 1) >> 1;
+ predictor[2 * 16 + 3] =
+ predictor[1 * 16 + 1] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
+ predictor[1 * 16 + 2] =
+ predictor[0 * 16 + 0] = (pp[3] + pp[4] + 1) >> 1;
+ predictor[1 * 16 + 3] =
+ predictor[0 * 16 + 1] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
+ predictor[0 * 16 + 2] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
+ predictor[0 * 16 + 3] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
+ }
+ break;
+
+
+ case B_HU_PRED:
+ {
+ unsigned char *pp = Left;
+ predictor[0 * 16 + 0] = (pp[0] + pp[1] + 1) >> 1;
+ predictor[0 * 16 + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
+ predictor[0 * 16 + 2] =
+ predictor[1 * 16 + 0] = (pp[1] + pp[2] + 1) >> 1;
+ predictor[0 * 16 + 3] =
+ predictor[1 * 16 + 1] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
+ predictor[1 * 16 + 2] =
+ predictor[2 * 16 + 0] = (pp[2] + pp[3] + 1) >> 1;
+ predictor[1 * 16 + 3] =
+ predictor[2 * 16 + 1] = (pp[2] + pp[3] * 2 + pp[3] + 2) >> 2;
+ predictor[2 * 16 + 2] =
+ predictor[2 * 16 + 3] =
+ predictor[3 * 16 + 0] =
+ predictor[3 * 16 + 1] =
+ predictor[3 * 16 + 2] =
+ predictor[3 * 16 + 3] = pp[3];
+ }
+ break;
+
+
+ }
+}
+// copy 4 bytes from the above right down so that the 4x4 prediction modes using pixels above and
+// to the right prediction have filled in pixels to use.
+void vp8_intra_prediction_down_copy(MACROBLOCKD *x)
+{
+ unsigned char *above_right = *(x->block[0].base_dst) + x->block[0].dst - x->block[0].dst_stride + 16;
+
+ unsigned int *src_ptr = (unsigned int *)above_right;
+ unsigned int *dst_ptr0 = (unsigned int *)(above_right + 4 * x->block[0].dst_stride);
+ unsigned int *dst_ptr1 = (unsigned int *)(above_right + 8 * x->block[0].dst_stride);
+ unsigned int *dst_ptr2 = (unsigned int *)(above_right + 12 * x->block[0].dst_stride);
+
+ *dst_ptr0 = *src_ptr;
+ *dst_ptr1 = *src_ptr;
+ *dst_ptr2 = *src_ptr;
+}
+
+
+
+/*
+void vp8_recon_intra4x4mb(const vp8_recon_rtcd_vtable_t *rtcd, MACROBLOCKD *x)
+{
+ int i;
+
+ vp8_intra_prediction_down_copy(x);
+
+ for(i=0;i<16;i++)
+ {
+ BLOCKD *b = &x->block[i];
+
+ vp8_predict_intra4x4(b, x->block[i].bmi.mode,x->block[i].predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ }
+
+ vp8_recon_intra_mbuv(x);
+
+}
+*/
+void vp8_recon_intra4x4mb(const vp8_recon_rtcd_vtable_t *rtcd, MACROBLOCKD *x)
+{
+ int i;
+ BLOCKD *b = &x->block[0];
+
+ vp8_intra_prediction_down_copy(x);
+
+ {
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ b += 1;
+
+ vp8_predict_intra4x4(b, b->bmi.mode, b->predictor);
+ RECON_INVOKE(rtcd, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ }
+
+ vp8_recon_intra_mbuv(rtcd, x);
+
+}
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