Revert "libvpx: Pull from upstream"

source/libvpx/vp9/encoder/vp9_lookahead.c

Index: source/libvpx/vp9/encoder/vp9_lookahead.c
diff --git a/source/libvpx/vp9/encoder/vp9_lookahead.c b/source/libvpx/vp9/encoder/vp9_lookahead.c
index b8e2ca88c8c2f175612ed781c1e5cd65efa168a2..708072ee2cb3fe5dc8cccd2e3072350d20233913 100644
--- a/source/libvpx/vp9/encoder/vp9_lookahead.c
+++ b/source/libvpx/vp9/encoder/vp9_lookahead.c
@@ -90,40 +90,19 @@ struct lookahead_ctx *vp9_lookahead_init(unsigned int width,
 #define USE_PARTIAL_COPY 0
 
 int vp9_lookahead_push(struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG   *src,
-                       int64_t ts_start, int64_t ts_end,
-#if CONFIG_VP9_HIGHBITDEPTH
-                       int use_highbitdepth,
-#endif
-                       unsigned int flags) {
+                       int64_t ts_start, int64_t ts_end, unsigned int flags) {
   struct lookahead_entry *buf;
 #if USE_PARTIAL_COPY
   int row, col, active_end;
   int mb_rows = (src->y_height + 15) >> 4;
   int mb_cols = (src->y_width + 15) >> 4;
 #endif
-  int width = src->y_crop_width;
-  int height = src->y_crop_height;
-  int uv_width = src->uv_crop_width;
-  int uv_height = src->uv_crop_height;
-  int subsampling_x = src->subsampling_x;
-  int subsampling_y = src->subsampling_y;
-  int larger_dimensions, new_dimensions;
 
   if (ctx->sz + 1  + MAX_PRE_FRAMES > ctx->max_sz)
     return 1;
   ctx->sz++;
   buf = pop(ctx, &ctx->write_idx);
 
-  new_dimensions = width != buf->img.y_crop_width ||
-                   height != buf->img.y_crop_height ||
-                   uv_width != buf->img.uv_crop_width ||
-                   uv_height != buf->img.uv_crop_height;
-  larger_dimensions = width > buf->img.y_width ||
-                      height > buf->img.y_height ||
-                      uv_width > buf->img.uv_width ||
-                      uv_height > buf->img.uv_height;
-  assert(!larger_dimensions || new_dimensions);
-
 #if USE_PARTIAL_COPY
   // TODO(jkoleszar): This is disabled for now, as
   // vp9_copy_and_extend_frame_with_rect is not subsampling/alpha aware.
@@ -132,7 +111,7 @@ int vp9_lookahead_push(struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG   *src,
   // 1. Lookahead queue has has size of 1.
   // 2. Active map is provided.
   // 3. This is not a key frame, golden nor altref frame.
-  if (!new_dimensions && ctx->max_sz == 1 && active_map && !flags) {
+  if (ctx->max_sz == 1 && active_map && !flags) {
     for (row = 0; row < mb_rows; ++row) {
       col = 0;
 
@@ -168,32 +147,11 @@ int vp9_lookahead_push(struct lookahead_ctx *ctx, YV12_BUFFER_CONFIG   *src,
       active_map += mb_cols;
     }
   } else {
-#endif
-    if (larger_dimensions) {
-      YV12_BUFFER_CONFIG new_img;
-      memset(&new_img, 0, sizeof(new_img));
-      if (vp9_alloc_frame_buffer(&new_img,
-                                 width, height, subsampling_x, subsampling_y,
-#if CONFIG_VP9_HIGHBITDEPTH
-                                 use_highbitdepth,
-#endif
-                                 VP9_ENC_BORDER_IN_PIXELS,
-                                 0))
-          return 1;
-      vp9_free_frame_buffer(&buf->img);
-      buf->img = new_img;
-    } else if (new_dimensions) {
-      buf->img.y_crop_width = src->y_crop_width;
-      buf->img.y_crop_height = src->y_crop_height;
-      buf->img.uv_crop_width = src->uv_crop_width;
-      buf->img.uv_crop_height = src->uv_crop_height;
-      buf->img.subsampling_x = src->subsampling_x;
-      buf->img.subsampling_y = src->subsampling_y;
-    }
-    // Partial copy not implemented yet
     vp9_copy_and_extend_frame(src, &buf->img);
-#if USE_PARTIAL_COPY
   }
+#else
+  // Partial copy not implemented yet
+  vp9_copy_and_extend_frame(src, &buf->img);
 #endif
 
   buf->ts_start = ts_start;