gecko/media/libvpx/variance-invoke.patch

# HG changeset patch
# Parent f294d64ffb01bf6d8190377708405bf5f4fe30fa
# User Timothy B. Terriberry <tterribe@vt.edu>
Bug 730907 - Use VARIANCE_INVOKE in multiframe_quality_enhance_block()

diff --git a/media/libvpx/vp8/common/postproc.c b/media/libvpx/vp8/common/postproc.c
--- a/media/libvpx/vp8/common/postproc.c
+++ b/media/libvpx/vp8/common/postproc.c
@@ -706,17 +706,18 @@ static void multiframe_quality_enhance_b
     unsigned char *u,
     unsigned char *v,
     int y_stride,
     int uv_stride,
     unsigned char *yd,
     unsigned char *ud,
     unsigned char *vd,
     int yd_stride,
-    int uvd_stride
+    int uvd_stride,
+    vp8_variance_rtcd_vtable_t *rtcd
 )
 {
     static const unsigned char VP8_ZEROS[16]=
     {
          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
     };
     int blksizeby2 = blksize >> 1;
     int qdiff = qcurr - qprev;
@@ -727,28 +728,28 @@ static void multiframe_quality_enhance_b
     unsigned char *up;
     unsigned char *udp;
     unsigned char *vp;
     unsigned char *vdp;
 
     unsigned int act, sse, sad, thr;
     if (blksize == 16)
     {
-        act = (vp8_variance_var16x16(yd, yd_stride, VP8_ZEROS, 0, &sse)+128)>>8;
-        sad = (vp8_variance_sad16x16(y, y_stride, yd, yd_stride, 0)+128)>>8;
+        act = (VARIANCE_INVOKE(rtcd, var16x16)(yd, yd_stride, VP8_ZEROS, 0, &sse)+128)>>8;
+        sad = (VARIANCE_INVOKE(rtcd, sad16x16)(y, y_stride, yd, yd_stride, 0)+128)>>8;
     }
     else if (blksize == 8)
     {
-        act = (vp8_variance_var8x8(yd, yd_stride, VP8_ZEROS, 0, &sse)+32)>>6;
-        sad = (vp8_variance_sad8x8(y, y_stride, yd, yd_stride, 0)+32)>>6;
+        act = (VARIANCE_INVOKE(rtcd, var8x8)(yd, yd_stride, VP8_ZEROS, 0, &sse)+32)>>6;
+        sad = (VARIANCE_INVOKE(rtcd, sad8x8)(y, y_stride, yd, yd_stride, 0)+32)>>6;
     }
     else
     {
-        act = (vp8_variance_var4x4(yd, yd_stride, VP8_ZEROS, 0, &sse)+8)>>4;
-        sad = (vp8_variance_sad4x4(y, y_stride, yd, yd_stride, 0)+8)>>4;
+        act = (VARIANCE_INVOKE(rtcd, var4x4)(yd, yd_stride, VP8_ZEROS, 0, &sse)+8)>>4;
+        sad = (VARIANCE_INVOKE(rtcd, sad4x4)(y, y_stride, yd, yd_stride, 0)+8)>>4;
     }
     /* thr = qdiff/8 + log2(act) + log4(qprev) */
     thr = (qdiff>>3);
     while (act>>=1) thr++;
     while (qprev>>=2) thr++;
     if (sad < thr)
     {
         static const int roundoff = (1 << (MFQE_PRECISION - 1));
@@ -859,33 +860,35 @@ void vp8_multiframe_quality_enhance
                                                              u_ptr + 4*(i*show->uv_stride+j),
                                                              v_ptr + 4*(i*show->uv_stride+j),
                                                              show->y_stride,
                                                              show->uv_stride,
                                                              yd_ptr + 8*(i*dest->y_stride+j),
                                                              ud_ptr + 4*(i*dest->uv_stride+j),
                                                              vd_ptr + 4*(i*dest->uv_stride+j),
                                                              dest->y_stride,
-                                                             dest->uv_stride);
+                                                             dest->uv_stride,
+                                                             &cm->rtcd.variance);
                 }
                 else
                 {
                     multiframe_quality_enhance_block(16,
                                                      qcurr,
                                                      qprev,
                                                      y_ptr,
                                                      u_ptr,
                                                      v_ptr,
                                                      show->y_stride,
                                                      show->uv_stride,
                                                      yd_ptr,
                                                      ud_ptr,
                                                      vd_ptr,
                                                      dest->y_stride,
-                                                     dest->uv_stride);
+                                                     dest->uv_stride,
+                                                     &cm->rtcd.variance);
 
                 }
             }
             else
             {
                 vp8_recon_copy16x16(y_ptr, show->y_stride, yd_ptr, dest->y_stride);
                 vp8_recon_copy8x8(u_ptr, show->uv_stride, ud_ptr, dest->uv_stride);
                 vp8_recon_copy8x8(v_ptr, show->uv_stride, vd_ptr, dest->uv_stride);