shithub: libvpx

Download patch

ref: cb60e66085bbd5e13173c9a64fda0d3d36277d97
parent: 04aa9e28d532e45b85f8a8342b6108124d207eec
parent: 2f31a1644587e53bc7b5381a009e611de94a65f0
author: James Zern <jzern@google.com>
date: Thu Mar 9 17:51:08 EST 2017 

Merge "move vp9_scale_and_extend_frame_c to vp9_frame_scale.c"


--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -2408,44 +2408,6 @@
 }
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 
-void vp9_scale_and_extend_frame_c(const YV12_BUFFER_CONFIG *src,
-                                  YV12_BUFFER_CONFIG *dst) {
-  const int src_w = src->y_crop_width;
-  const int src_h = src->y_crop_height;
-  const int dst_w = dst->y_crop_width;
-  const int dst_h = dst->y_crop_height;
-  const uint8_t *const srcs[3] = { src->y_buffer, src->u_buffer,
-                                   src->v_buffer };
-  const int src_strides[3] = { src->y_stride, src->uv_stride, src->uv_stride };
-  uint8_t *const dsts[3] = { dst->y_buffer, dst->u_buffer, dst->v_buffer };
-  const int dst_strides[3] = { dst->y_stride, dst->uv_stride, dst->uv_stride };
-  const InterpKernel *const kernel = vp9_filter_kernels[EIGHTTAP];
-  int x, y, i;
-
-  for (i = 0; i < MAX_MB_PLANE; ++i) {
-    const int factor = (i == 0 || i == 3 ? 1 : 2);
-    const int src_stride = src_strides[i];
-    const int dst_stride = dst_strides[i];
-    for (y = 0; y < dst_h; y += 16) {
-      const int y_q4 = y * (16 / factor) * src_h / dst_h;
-      for (x = 0; x < dst_w; x += 16) {
-        const int x_q4 = x * (16 / factor) * src_w / dst_w;
-        const uint8_t *src_ptr = srcs[i] +
-                                 (y / factor) * src_h / dst_h * src_stride +
-                                 (x / factor) * src_w / dst_w;
-        uint8_t *dst_ptr = dsts[i] + (y / factor) * dst_stride + (x / factor);
-
-        vpx_scaled_2d(src_ptr, src_stride, dst_ptr, dst_stride,
-                      kernel[x_q4 & 0xf], 16 * src_w / dst_w,
-                      kernel[y_q4 & 0xf], 16 * src_h / dst_h, 16 / factor,
-                      16 / factor);
-      }
-    }
-  }
-
-  vpx_extend_frame_borders(dst);
-}
-
 static int scale_down(VP9_COMP *cpi, int q) {
   RATE_CONTROL *const rc = &cpi->rc;
   GF_GROUP *const gf_group = &cpi->twopass.gf_group;
--- /dev/null
+++ b/vp9/encoder/vp9_frame_scale.c
@@ -1,0 +1,54 @@
+/*
+ *  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "./vp9_rtcd.h"
+#include "./vpx_dsp_rtcd.h"
+#include "./vpx_scale_rtcd.h"
+#include "vp9/common/vp9_blockd.h"
+#include "vpx_dsp/vpx_filter.h"
+#include "vpx_scale/yv12config.h"
+
+void vp9_scale_and_extend_frame_c(const YV12_BUFFER_CONFIG *src,
+                                  YV12_BUFFER_CONFIG *dst) {
+  const int src_w = src->y_crop_width;
+  const int src_h = src->y_crop_height;
+  const int dst_w = dst->y_crop_width;
+  const int dst_h = dst->y_crop_height;
+  const uint8_t *const srcs[3] = { src->y_buffer, src->u_buffer,
+                                   src->v_buffer };
+  const int src_strides[3] = { src->y_stride, src->uv_stride, src->uv_stride };
+  uint8_t *const dsts[3] = { dst->y_buffer, dst->u_buffer, dst->v_buffer };
+  const int dst_strides[3] = { dst->y_stride, dst->uv_stride, dst->uv_stride };
+  const InterpKernel *const kernel = vp9_filter_kernels[EIGHTTAP];
+  int x, y, i;
+
+  for (i = 0; i < MAX_MB_PLANE; ++i) {
+    const int factor = (i == 0 || i == 3 ? 1 : 2);
+    const int src_stride = src_strides[i];
+    const int dst_stride = dst_strides[i];
+    for (y = 0; y < dst_h; y += 16) {
+      const int y_q4 = y * (16 / factor) * src_h / dst_h;
+      for (x = 0; x < dst_w; x += 16) {
+        const int x_q4 = x * (16 / factor) * src_w / dst_w;
+        const uint8_t *src_ptr = srcs[i] +
+                                 (y / factor) * src_h / dst_h * src_stride +
+                                 (x / factor) * src_w / dst_w;
+        uint8_t *dst_ptr = dsts[i] + (y / factor) * dst_stride + (x / factor);
+
+        vpx_scaled_2d(src_ptr, src_stride, dst_ptr, dst_stride,
+                      kernel[x_q4 & 0xf], 16 * src_w / dst_w,
+                      kernel[y_q4 & 0xf], 16 * src_h / dst_h, 16 / factor,
+                      16 / factor);
+      }
+    }
+  }
+
+  vpx_extend_frame_borders(dst);
+}
--- a/vp9/vp9cx.mk
+++ b/vp9/vp9cx.mk
@@ -39,6 +39,7 @@
 VP9_CX_SRCS-yes += encoder/vp9_encodemv.h
 VP9_CX_SRCS-yes += encoder/vp9_extend.h
 VP9_CX_SRCS-yes += encoder/vp9_firstpass.h
+VP9_CX_SRCS-yes += encoder/vp9_frame_scale.c
 VP9_CX_SRCS-yes += encoder/vp9_job_queue.h
 VP9_CX_SRCS-yes += encoder/vp9_lookahead.c
 VP9_CX_SRCS-yes += encoder/vp9_lookahead.h