Removing vp9_swap_yv12_buffer function and corresponding files.

Adding static swap_yv12 function to vp9_firstpass.c.

Change-Id: I7da9caab9720498db4a74c627901bf37816ed06c

vp9/common/vp9_swapyv12buffer.c

@@ -1,32 +0,0 @@
-/*
- *  Copyright (c) 2010 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/common/vp9_swapyv12buffer.h"
-
-void vp9_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame,
-                          YV12_BUFFER_CONFIG *last_frame) {
-  uint8_t *temp;
-
-  temp = last_frame->buffer_alloc;
-  last_frame->buffer_alloc = new_frame->buffer_alloc;
-  new_frame->buffer_alloc = temp;
-
-  temp = last_frame->y_buffer;
-  last_frame->y_buffer = new_frame->y_buffer;
-  new_frame->y_buffer = temp;
-
-  temp = last_frame->u_buffer;
-  last_frame->u_buffer = new_frame->u_buffer;
-  new_frame->u_buffer = temp;
-
-  temp = last_frame->v_buffer;
-  last_frame->v_buffer = new_frame->v_buffer;
-  new_frame->v_buffer = temp;
-}

vp9/common/vp9_swapyv12buffer.h

@@ -1,19 +0,0 @@
-/*
- *  Copyright (c) 2010 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.
- */
-
-#ifndef VP9_COMMON_VP9_SWAPYV12BUFFER_H_
-#define VP9_COMMON_VP9_SWAPYV12BUFFER_H_
-
-#include "vpx_scale/yv12config.h"
-
-void vp9_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame,
-                          YV12_BUFFER_CONFIG *last_frame);
-
-#endif  // VP9_COMMON_VP9_SWAPYV12BUFFER_H_

vp9/decoder/vp9_onyxd_if.c

@@ -21,8 +21,6 @@
 #include "vpx_mem/vpx_mem.h"
 #include "vp9/common/vp9_alloccommon.h"
 #include "vp9/common/vp9_loopfilter.h"
-#include "vp9/common/vp9_swapyv12buffer.h"
-
 #include "vp9/common/vp9_quant_common.h"
 #include "vpx_scale/vpx_scale.h"
 #include "vp9/common/vp9_systemdependent.h"

vp9/encoder/vp9_firstpass.c

@@ -22,7 +22,7 @@
 #include "vp9/common/vp9_extend.h"
 #include "vp9/common/vp9_systemdependent.h"
 #include "vpx_mem/vpx_mem.h"
-#include "vp9/common/vp9_swapyv12buffer.h"
+#include "vpx_scale/yv12config.h"
 #include <stdio.h>
 #include "vp9/encoder/vp9_quantize.h"
 #include "vp9/encoder/vp9_rdopt.h"
@@ -52,6 +52,12 @@
 #define POW1 (double)cpi->oxcf.two_pass_vbrbias/100.0
 #define POW2 (double)cpi->oxcf.two_pass_vbrbias/100.0
 
+static void swap_yv12(YV12_BUFFER_CONFIG *a, YV12_BUFFER_CONFIG *b) {
+  YV12_BUFFER_CONFIG temp = *a;
+  *a = *b;
+  *b = temp;
+}
+
 static void find_next_key_frame(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame);
 
 static int select_cq_level(int qindex) {
@@ -444,13 +450,13 @@ void vp9_first_pass(VP9_COMP *cpi) {
   MACROBLOCKD *const xd = &x->e_mbd;
 
   int recon_yoffset, recon_uvoffset;
-  YV12_BUFFER_CONFIG *lst_yv12 =
+  const int lst_yv12_idx = cm->ref_frame_map[cpi->lst_fb_idx];
-      &cm->yv12_fb[cm->ref_frame_map[cpi->lst_fb_idx]];
+  const int gld_yv12_idx = cm->ref_frame_map[cpi->gld_fb_idx];
-  YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
+  YV12_BUFFER_CONFIG *const lst_yv12 = &cm->yv12_fb[lst_yv12_idx];
-  YV12_BUFFER_CONFIG *gld_yv12 =
+  YV12_BUFFER_CONFIG *const new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
-      &cm->yv12_fb[cm->ref_frame_map[cpi->gld_fb_idx]];
+  YV12_BUFFER_CONFIG *const gld_yv12 = &cm->yv12_fb[gld_yv12_idx];
-  int recon_y_stride = lst_yv12->y_stride;
+  const int recon_y_stride = lst_yv12->y_stride;
-  int recon_uv_stride = lst_yv12->uv_stride;
+  const int recon_uv_stride = lst_yv12->uv_stride;
   int64_t intra_error = 0;
   int64_t coded_error = 0;
   int64_t sr_coded_error = 0;
@@ -772,14 +778,13 @@ void vp9_first_pass(VP9_COMP *cpi) {
     cpi->twopass.sr_update_lag++;
 
   // swap frame pointers so last frame refers to the frame we just compressed
-  vp9_swap_yv12_buffer(lst_yv12, new_yv12);
+  swap_yv12(lst_yv12, new_yv12);
+
   vp8_yv12_extend_frame_borders(lst_yv12);
 
   // Special case for the first frame. Copy into the GF buffer as a second reference.
-  if (cm->current_video_frame == 0) {
+  if (cm->current_video_frame == 0)
     vp8_yv12_copy_frame(lst_yv12, gld_yv12);
-  }
-
 
   // use this to see what the first pass reconstruction looks like
   if (0) {

vp9/encoder/vp9_onyx_if.c

@@ -32,7 +32,6 @@
 #include "vp9/common/vp9_postproc.h"
 #endif
 #include "vpx_mem/vpx_mem.h"
-#include "vp9/common/vp9_swapyv12buffer.h"
 #include "vpx_ports/vpx_timer.h"
 
 #include "vp9/common/vp9_seg_common.h"

vp9/encoder/vp9_temporal_filter.c

@@ -26,7 +26,6 @@
 #include "vp9/common/vp9_quant_common.h"
 #include "vp9/encoder/vp9_segmentation.h"
 #include "vpx_mem/vpx_mem.h"
-#include "vp9/common/vp9_swapyv12buffer.h"
 #include "vpx_ports/vpx_timer.h"
 
 #define ALT_REF_MC_ENABLED 1    // dis/enable MC in AltRef filtering

vp9/vp9_common.mk

@@ -56,7 +56,6 @@ VP9_COMMON_SRCS-yes += common/vp9_sadmxn.h
 VP9_COMMON_SRCS-yes += common/vp9_subpelvar.h
 VP9_COMMON_SRCS-yes += common/vp9_seg_common.h
 VP9_COMMON_SRCS-yes += common/vp9_seg_common.c
-VP9_COMMON_SRCS-yes += common/vp9_swapyv12buffer.h
 VP9_COMMON_SRCS-yes += common/vp9_systemdependent.h
 VP9_COMMON_SRCS-yes += common/vp9_textblit.h
 VP9_COMMON_SRCS-yes += common/vp9_tile_common.h
@@ -74,7 +73,6 @@ VP9_COMMON_SRCS-yes += common/vp9_quant_common.c
 VP9_COMMON_SRCS-yes += common/vp9_recon.c
 VP9_COMMON_SRCS-yes += common/vp9_reconinter.c
 VP9_COMMON_SRCS-yes += common/vp9_reconintra.c
-VP9_COMMON_SRCS-yes += common/vp9_swapyv12buffer.c
 VP9_COMMON_SRCS-$(CONFIG_POSTPROC_VISUALIZER) += common/vp9_textblit.c
 VP9_COMMON_SRCS-yes += common/vp9_treecoder.c
 VP9_COMMON_SRCS-$(CONFIG_IMPLICIT_SEGMENTATION) += common/vp9_implicit_segmentation.c