shithub: libvpx

Download patch

ref: 180b1804e58f73dc7a3e2b1b3498568511d179de
parent: 4dcbf0a809d63752e784abe19ac2c04c95561235
parent: c147c4d65c9035b2e9efa581e7df3df6b0ef15bb
author: Yunqing Wang <[email protected]>
date: Fri Aug 28 18:23:31 EDT 2015

Merge "vp10 cleanup: remove svc code"

--- a/vp10/encoder/aq_cyclicrefresh.c
+++ b/vp10/encoder/aq_cyclicrefresh.c
@@ -291,7 +291,7 @@
     }
 }
 
-// Set golden frame update interval, for non-svc 1 pass CBR mode.
+// Set golden frame update interval, for 1 pass CBR mode.
 void vp10_cyclic_refresh_set_golden_update(VP10_COMP *const cpi) {
   RATE_CONTROL *const rc = &cpi->rc;
   CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
@@ -484,10 +484,7 @@
   if (cm->current_video_frame == 0)
     cr->low_content_avg = 0.0;
   // Don't apply refresh on key frame or enhancement layer frames.
-  if (!apply_cyclic_refresh ||
-      (cm->frame_type == KEY_FRAME) ||
-      (cpi->svc.temporal_layer_id > 0) ||
-      (cpi->svc.spatial_layer_id > 0)) {
+  if (!apply_cyclic_refresh || cm->frame_type == KEY_FRAME) {
     // Set segmentation map to 0 and disable.
     unsigned char *const seg_map = cpi->segmentation_map;
     memset(seg_map, 0, cm->mi_rows * cm->mi_cols);
--- a/vp10/encoder/aq_cyclicrefresh.h
+++ b/vp10/encoder/aq_cyclicrefresh.h
@@ -61,7 +61,7 @@
 // Update the actual number of blocks that were applied the segment delta q.
 void vp10_cyclic_refresh_postencode(struct VP10_COMP *const cpi);
 
-// Set golden frame update interval, for non-svc 1 pass CBR mode.
+// Set golden frame update interval, for 1 pass CBR mode.
 void vp10_cyclic_refresh_set_golden_update(struct VP10_COMP *const cpi);
 
 // Check if we should not update golden reference, based on past refresh stats.
--- a/vp10/encoder/bitstream.c
+++ b/vp10/encoder/bitstream.c
@@ -996,18 +996,7 @@
   for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
     YV12_BUFFER_CONFIG *cfg = get_ref_frame_buffer(cpi, ref_frame);
 
-    // Set "found" to 0 for temporal svc and for spatial svc key frame
-    if (cpi->use_svc &&
-        ((cpi->svc.number_temporal_layers > 1 &&
-         cpi->oxcf.rc_mode == VPX_CBR) ||
-        (cpi->svc.number_spatial_layers > 1 &&
-         cpi->svc.layer_context[cpi->svc.spatial_layer_id].is_key_frame) ||
-        (is_two_pass_svc(cpi) &&
-         cpi->svc.encode_empty_frame_state == ENCODING &&
-         cpi->svc.layer_context[0].frames_from_key_frame <
-         cpi->svc.number_temporal_layers + 1))) {
-      found = 0;
-    } else if (cfg != NULL) {
+  if (cfg != NULL) {
       found = cm->width == cfg->y_crop_width &&
               cm->height == cfg->y_crop_height;
     }
@@ -1093,14 +1082,6 @@
     write_bitdepth_colorspace_sampling(cm, wb);
     write_frame_size(cm, wb);
   } else {
-    // In spatial svc if it's not error_resilient_mode then we need to code all
-    // visible frames as invisible. But we need to keep the show_frame flag so
-    // that the publisher could know whether it is supposed to be visible.
-    // So we will code the show_frame flag as it is. Then code the intra_only
-    // bit here. This will make the bitstream incompatible. In the player we
-    // will change to show_frame flag to 0, then add an one byte frame with
-    // show_existing_frame flag which tells the decoder which frame we want to
-    // show.
     if (!cm->show_frame)
       vpx_wb_write_bit(wb, cm->intra_only);
 
--- a/vp10/encoder/bitstream.h
+++ b/vp10/encoder/bitstream.h
@@ -22,12 +22,7 @@
 
 static INLINE int vp10_preserve_existing_gf(VP10_COMP *cpi) {
   return !cpi->multi_arf_allowed && cpi->refresh_golden_frame &&
-         cpi->rc.is_src_frame_alt_ref &&
-         (!cpi->use_svc ||      // Add spatial svc base layer case here
-          (is_two_pass_svc(cpi) &&
-           cpi->svc.spatial_layer_id == 0 &&
-           cpi->svc.layer_context[0].gold_ref_idx >=0 &&
-           cpi->oxcf.ss_enable_auto_arf[0]));
+         cpi->rc.is_src_frame_alt_ref;
 }
 
 #ifdef __cplusplus
--- a/vp10/encoder/encodeframe.c
+++ b/vp10/encoder/encodeframe.c
@@ -695,11 +695,7 @@
   s = x->plane[0].src.buf;
   sp = x->plane[0].src.stride;
 
-  if (!is_key_frame && !(is_one_pass_cbr_svc(cpi) &&
-      cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame)) {
-    // In the case of spatial/temporal scalable coding, the assumption here is
-    // that the temporal reference frame will always be of type LAST_FRAME.
-    // TODO(marpan): If that assumption is broken, we need to revisit this code.
+  if (!is_key_frame) {
     MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
     unsigned int uv_sad;
     const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, LAST_FRAME);
@@ -710,13 +706,8 @@
         + (mi_col + 4 < cm->mi_cols) * 2 + (mi_row + 4 < cm->mi_rows);
 
     assert(yv12 != NULL);
+    yv12_g = get_ref_frame_buffer(cpi, GOLDEN_FRAME);
 
-    if (!(is_one_pass_cbr_svc(cpi) && cpi->svc.spatial_layer_id)) {
-      // For now, GOLDEN will not be used for non-zero spatial layers, since
-      // it may not be a temporal reference.
-      yv12_g = get_ref_frame_buffer(cpi, GOLDEN_FRAME);
-    }
-
     if (yv12_g && yv12_g != yv12) {
       vp10_setup_pre_planes(xd, 0, yv12_g, mi_row, mi_col,
                            &cm->frame_refs[GOLDEN_FRAME - 1].sf);
@@ -851,9 +842,7 @@
           }
         }
       }
-      // TODO(marpan): There is an issue with variance based on 4x4 average in
-      // svc mode, don't allow it for now.
-      if (is_key_frame || (low_res && !cpi->use_svc &&
+      if (is_key_frame || (low_res &&
           vt.split[i].split[j].part_variances.none.variance >
           (thresholds[1] << 1))) {
         force_split[split_index] = 0;
--- a/vp10/encoder/encoder.c
+++ b/vp10/encoder/encoder.c
@@ -42,7 +42,6 @@
 #include "vp10/encoder/segmentation.h"
 #include "vp10/encoder/skin_detection.h"
 #include "vp10/encoder/speed_features.h"
-#include "vp10/encoder/svc_layercontext.h"
 #include "vp10/encoder/temporal_filter.h"
 
 #include "./vp10_rtcd.h"
@@ -238,13 +237,11 @@
   if (frame_is_intra_only(cm) || cm->error_resilient_mode) {
     vp10_setup_past_independence(cm);
   } else {
-    if (!cpi->use_svc)
-      cm->frame_context_idx = cpi->refresh_alt_ref_frame;
+    cm->frame_context_idx = cpi->refresh_alt_ref_frame;
   }
 
   if (cm->frame_type == KEY_FRAME) {
-    if (!is_two_pass_svc(cpi))
-      cpi->refresh_golden_frame = 1;
+    cpi->refresh_golden_frame = 1;
     cpi->refresh_alt_ref_frame = 1;
     vp10_zero(cpi->interp_filter_selected);
   } else {
@@ -336,7 +333,6 @@
 
 static void dealloc_compressor_data(VP10_COMP *cpi) {
   VP10_COMMON *const cm = &cpi->common;
-  int i;
 
   vpx_free(cpi->mbmi_ext_base);
   cpi->mbmi_ext_base = NULL;
@@ -393,26 +389,10 @@
 
   vp10_free_pc_tree(&cpi->td);
 
-  for (i = 0; i < cpi->svc.number_spatial_layers; ++i) {
-    LAYER_CONTEXT *const lc = &cpi->svc.layer_context[i];
-    vpx_free(lc->rc_twopass_stats_in.buf);
-    lc->rc_twopass_stats_in.buf = NULL;
-    lc->rc_twopass_stats_in.sz = 0;
-  }
-
   if (cpi->source_diff_var != NULL) {
     vpx_free(cpi->source_diff_var);
     cpi->source_diff_var = NULL;
   }
-
-  for (i = 0; i < MAX_LAG_BUFFERS; ++i) {
-    vpx_free_frame_buffer(&cpi->svc.scaled_frames[i]);
-  }
-  memset(&cpi->svc.scaled_frames[0], 0,
-         MAX_LAG_BUFFERS * sizeof(cpi->svc.scaled_frames[0]));
-
-  vpx_free_frame_buffer(&cpi->svc.empty_frame.img);
-  memset(&cpi->svc.empty_frame, 0, sizeof(cpi->svc.empty_frame));
 }
 
 static void save_coding_context(VP10_COMP *cpi) {
@@ -717,16 +697,9 @@
   int min_log2_tile_cols, max_log2_tile_cols;
   vp10_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols);
 
-  if (is_two_pass_svc(cpi) &&
-      (cpi->svc.encode_empty_frame_state == ENCODING ||
-      cpi->svc.number_spatial_layers > 1)) {
-    cm->log2_tile_cols = 0;
-    cm->log2_tile_rows = 0;
-  } else {
-    cm->log2_tile_cols = clamp(cpi->oxcf.tile_columns,
-                               min_log2_tile_cols, max_log2_tile_cols);
-    cm->log2_tile_rows = cpi->oxcf.tile_rows;
-  }
+  cm->log2_tile_cols = clamp(cpi->oxcf.tile_columns,
+                             min_log2_tile_cols, max_log2_tile_cols);
+  cm->log2_tile_rows = cpi->oxcf.tile_rows;
 }
 
 static void update_frame_size(VP10_COMP *cpi) {
@@ -741,19 +714,6 @@
          cm->mi_rows * cm->mi_cols * sizeof(*cpi->mbmi_ext_base));
 
   set_tile_limits(cpi);
-
-  if (is_two_pass_svc(cpi)) {
-    if (vpx_realloc_frame_buffer(&cpi->alt_ref_buffer,
-                                 cm->width, cm->height,
-                                 cm->subsampling_x, cm->subsampling_y,
-#if CONFIG_VP9_HIGHBITDEPTH
-                                 cm->use_highbitdepth,
-#endif
-                                 VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
-                                 NULL, NULL, NULL))
-      vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                         "Failed to reallocate alt_ref_buffer");
-  }
 }
 
 static void init_buffer_indices(VP10_COMP *cpi) {
@@ -779,23 +739,9 @@
   cm->height = oxcf->height;
   vp10_alloc_compressor_data(cpi);
 
-  cpi->svc.temporal_layering_mode = oxcf->temporal_layering_mode;
-
   // Single thread case: use counts in common.
   cpi->td.counts = &cm->counts;
 
-  // Spatial scalability.
-  cpi->svc.number_spatial_layers = oxcf->ss_number_layers;
-  // Temporal scalability.
-  cpi->svc.number_temporal_layers = oxcf->ts_number_layers;
-
-  if ((cpi->svc.number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) ||
-      ((cpi->svc.number_temporal_layers > 1 ||
-        cpi->svc.number_spatial_layers > 1) &&
-       cpi->oxcf.pass != 1)) {
-    vp10_init_layer_context(cpi);
-  }
-
   // change includes all joint functionality
   vp10_change_config(cpi, oxcf);
 
@@ -1519,15 +1465,6 @@
   }
   update_frame_size(cpi);
 
-  if ((cpi->svc.number_temporal_layers > 1 &&
-      cpi->oxcf.rc_mode == VPX_CBR) ||
-      ((cpi->svc.number_temporal_layers > 1 ||
-        cpi->svc.number_spatial_layers > 1) &&
-       cpi->oxcf.pass != 1)) {
-    vp10_update_layer_context_change_config(cpi,
-                                           (int)cpi->oxcf.target_bandwidth);
-  }
-
   cpi->alt_ref_source = NULL;
   rc->is_src_frame_alt_ref = 0;
 
@@ -1618,7 +1555,6 @@
                   (FRAME_CONTEXT *)vpx_calloc(FRAME_CONTEXTS,
                   sizeof(*cm->frame_contexts)));
 
-  cpi->use_svc = 0;
   cpi->resize_state = 0;
   cpi->resize_avg_qp = 0;
   cpi->resize_buffer_underflow = 0;
@@ -1757,63 +1693,24 @@
     const size_t packet_sz = sizeof(FIRSTPASS_STATS);
     const int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz);
 
-    if (cpi->svc.number_spatial_layers > 1
-        || cpi->svc.number_temporal_layers > 1) {
-      FIRSTPASS_STATS *const stats = oxcf->two_pass_stats_in.buf;
-      FIRSTPASS_STATS *stats_copy[VPX_SS_MAX_LAYERS] = {0};
-      int i;
-
-      for (i = 0; i < oxcf->ss_number_layers; ++i) {
-        FIRSTPASS_STATS *const last_packet_for_layer =
-            &stats[packets - oxcf->ss_number_layers + i];
-        const int layer_id = (int)last_packet_for_layer->spatial_layer_id;
-        const int packets_in_layer = (int)last_packet_for_layer->count + 1;
-        if (layer_id >= 0 && layer_id < oxcf->ss_number_layers) {
-          LAYER_CONTEXT *const lc = &cpi->svc.layer_context[layer_id];
-
-          vpx_free(lc->rc_twopass_stats_in.buf);
-
-          lc->rc_twopass_stats_in.sz = packets_in_layer * packet_sz;
-          CHECK_MEM_ERROR(cm, lc->rc_twopass_stats_in.buf,
-                          vpx_malloc(lc->rc_twopass_stats_in.sz));
-          lc->twopass.stats_in_start = lc->rc_twopass_stats_in.buf;
-          lc->twopass.stats_in = lc->twopass.stats_in_start;
-          lc->twopass.stats_in_end = lc->twopass.stats_in_start
-                                     + packets_in_layer - 1;
-          stats_copy[layer_id] = lc->rc_twopass_stats_in.buf;
-        }
-      }
-
-      for (i = 0; i < packets; ++i) {
-        const int layer_id = (int)stats[i].spatial_layer_id;
-        if (layer_id >= 0 && layer_id < oxcf->ss_number_layers
-            && stats_copy[layer_id] != NULL) {
-          *stats_copy[layer_id] = stats[i];
-          ++stats_copy[layer_id];
-        }
-      }
-
-      vp10_init_second_pass_spatial_svc(cpi);
-    } else {
 #if CONFIG_FP_MB_STATS
-      if (cpi->use_fp_mb_stats) {
-        const size_t psz = cpi->common.MBs * sizeof(uint8_t);
-        const int ps = (int)(oxcf->firstpass_mb_stats_in.sz / psz);
+    if (cpi->use_fp_mb_stats) {
+      const size_t psz = cpi->common.MBs * sizeof(uint8_t);
+      const int ps = (int)(oxcf->firstpass_mb_stats_in.sz / psz);
 
-        cpi->twopass.firstpass_mb_stats.mb_stats_start =
-            oxcf->firstpass_mb_stats_in.buf;
-        cpi->twopass.firstpass_mb_stats.mb_stats_end =
-            cpi->twopass.firstpass_mb_stats.mb_stats_start +
-            (ps - 1) * cpi->common.MBs * sizeof(uint8_t);
-      }
+      cpi->twopass.firstpass_mb_stats.mb_stats_start =
+          oxcf->firstpass_mb_stats_in.buf;
+      cpi->twopass.firstpass_mb_stats.mb_stats_end =
+          cpi->twopass.firstpass_mb_stats.mb_stats_start +
+          (ps - 1) * cpi->common.MBs * sizeof(uint8_t);
+    }
 #endif
 
-      cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
-      cpi->twopass.stats_in = cpi->twopass.stats_in_start;
-      cpi->twopass.stats_in_end = &cpi->twopass.stats_in[packets - 1];
+    cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
+    cpi->twopass.stats_in = cpi->twopass.stats_in_start;
+    cpi->twopass.stats_in_end = &cpi->twopass.stats_in[packets - 1];
 
-      vp10_init_second_pass(cpi);
-    }
+    vp10_init_second_pass(cpi);
   }
 
   vp10_set_speed_features_framesize_independent(cpi);
@@ -2354,11 +2251,7 @@
     pkt.data.psnr.psnr[i] = psnr.psnr[i];
   }
   pkt.kind = VPX_CODEC_PSNR_PKT;
-  if (cpi->use_svc)
-    cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-        cpi->svc.number_temporal_layers].psnr_pkt = pkt.data.psnr;
-  else
-    vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
+  vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
 }
 
 int vp10_use_as_reference(VP10_COMP *cpi, int ref_frame_flags) {
@@ -2687,11 +2580,6 @@
     tmp = cpi->alt_fb_idx;
     cpi->alt_fb_idx = cpi->gld_fb_idx;
     cpi->gld_fb_idx = tmp;
-
-    if (is_two_pass_svc(cpi)) {
-      cpi->svc.layer_context[0].gold_ref_idx = cpi->gld_fb_idx;
-      cpi->svc.layer_context[0].alt_ref_idx = cpi->alt_fb_idx;
-    }
   } else { /* For non key/golden frames */
     if (cpi->refresh_alt_ref_frame) {
       int arf_idx = cpi->alt_fb_idx;
@@ -2863,7 +2751,7 @@
         ++buf->ref_count;
       }
     } else {
-      if (cpi->oxcf.pass != 0 || cpi->use_svc)
+      if (cpi->oxcf.pass != 0)
         cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
     }
   }
@@ -2872,7 +2760,7 @@
 static void release_scaled_references(VP10_COMP *cpi) {
   VP10_COMMON *cm = &cpi->common;
   int i;
-  if (cpi->oxcf.pass == 0 && !cpi->use_svc) {
+  if (cpi->oxcf.pass == 0) {
     // Only release scaled references under certain conditions:
     // if reference will be updated, or if scaled reference has same resolution.
     int refresh[3];
@@ -3106,7 +2994,6 @@
 
   if (oxcf->pass == 0 &&
       oxcf->rc_mode == VPX_CBR &&
-      !cpi->use_svc &&
       oxcf->resize_mode == RESIZE_DYNAMIC) {
       if (cpi->resize_pending == 1) {
         oxcf->scaled_frame_width =
@@ -3129,10 +3016,7 @@
       }
   }
 
-  if ((oxcf->pass == 2) &&
-      (!cpi->use_svc ||
-          (is_two_pass_svc(cpi) &&
-              cpi->svc.encode_empty_frame_state != ENCODING))) {
+  if (oxcf->pass == 2) {
     vp10_set_target_rate(cpi);
   }
 
@@ -3239,10 +3123,9 @@
   vp10_encode_frame(cpi);
 
   // Update some stats from cyclic refresh, and check if we should not update
-  // golden reference, for non-SVC 1 pass CBR.
+  // golden reference, for 1 pass CBR.
   if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
       cm->frame_type != KEY_FRAME &&
-      !cpi->use_svc &&
       (cpi->oxcf.pass == 0 && cpi->oxcf.rc_mode == VPX_CBR))
     vp10_cyclic_refresh_check_golden_update(cpi);
 
@@ -3523,9 +3406,7 @@
   if (gold_is_last)
     flags &= ~VP9_GOLD_FLAG;
 
-  if (cpi->rc.frames_till_gf_update_due == INT_MAX &&
-      (cpi->svc.number_temporal_layers == 1 &&
-       cpi->svc.number_spatial_layers == 1))
+  if (cpi->rc.frames_till_gf_update_due == INT_MAX)
     flags &= ~VP9_GOLD_FLAG;
 
   if (alt_is_last)
@@ -3677,45 +3558,7 @@
       cm->reset_frame_context = 2;
     }
   }
-  if (is_two_pass_svc(cpi) && cm->error_resilient_mode == 0) {
-    // Use context 0 for intra only empty frame, but the last frame context
-    // for other empty frames.
-    if (cpi->svc.encode_empty_frame_state == ENCODING) {
-      if (cpi->svc.encode_intra_empty_frame != 0)
-        cm->frame_context_idx = 0;
-      else
-        cm->frame_context_idx = FRAME_CONTEXTS - 1;
-    } else {
-    cm->frame_context_idx =
-        cpi->svc.spatial_layer_id * cpi->svc.number_temporal_layers +
-        cpi->svc.temporal_layer_id;
-    }
 
-    cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
-
-    // The probs will be updated based on the frame type of its previous
-    // frame if frame_parallel_decoding_mode is 0. The type may vary for
-    // the frame after a key frame in base layer since we may drop enhancement
-    // layers. So set frame_parallel_decoding_mode to 1 in this case.
-    if (cm->frame_parallel_decoding_mode == 0) {
-      if (cpi->svc.number_temporal_layers == 1) {
-        if (cpi->svc.spatial_layer_id == 0 &&
-            cpi->svc.layer_context[0].last_frame_type == KEY_FRAME)
-          cm->frame_parallel_decoding_mode = 1;
-      } else if (cpi->svc.spatial_layer_id == 0) {
-        // Find the 2nd frame in temporal base layer and 1st frame in temporal
-        // enhancement layers from the key frame.
-        int i;
-        for (i = 0; i < cpi->svc.number_temporal_layers; ++i) {
-          if (cpi->svc.layer_context[0].frames_from_key_frame == 1 << i) {
-            cm->frame_parallel_decoding_mode = 1;
-            break;
-          }
-        }
-      }
-    }
-  }
-
   // For 1 pass CBR, check if we are dropping this frame.
   // Never drop on key frame.
   if (oxcf->pass == 0 &&
@@ -3819,8 +3662,7 @@
 
   cm->last_frame_type = cm->frame_type;
 
-  if (!(is_two_pass_svc(cpi) && cpi->svc.encode_empty_frame_state == ENCODING))
-    vp10_rc_postencode_update(cpi, *size);
+  vp10_rc_postencode_update(cpi, *size);
 
 #if 0
   output_frame_level_debug_stats(cpi);
@@ -3852,24 +3694,10 @@
     // Don't increment frame counters if this was an altref buffer
     // update not a real frame
     ++cm->current_video_frame;
-    if (cpi->use_svc)
-      vp10_inc_frame_in_layer(cpi);
   }
   cm->prev_frame = cm->cur_frame;
-
-  if (cpi->use_svc)
-    cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-                           cpi->svc.number_temporal_layers +
-                           cpi->svc.temporal_layer_id].last_frame_type =
-                               cm->frame_type;
 }
 
-static void SvcEncode(VP10_COMP *cpi, size_t *size, uint8_t *dest,
-                      unsigned int *frame_flags) {
-  vp10_rc_get_svc_params(cpi);
-  encode_frame_to_data_rate(cpi, size, dest, frame_flags);
-}
-
 static void Pass0Encode(VP10_COMP *cpi, size_t *size, uint8_t *dest,
                         unsigned int *frame_flags) {
   if (cpi->oxcf.rc_mode == VPX_CBR) {
@@ -3885,8 +3713,7 @@
   cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
 
-  if (!(is_two_pass_svc(cpi) && cpi->svc.encode_empty_frame_state == ENCODING))
-    vp10_twopass_postencode_update(cpi);
+  vp10_twopass_postencode_update(cpi);
 }
 
 static void init_ref_frame_bufs(VP10_COMMON *cm) {
@@ -4113,28 +3940,13 @@
   int arf_src_index;
   int i;
 
-  if (is_two_pass_svc(cpi)) {
-#if CONFIG_SPATIAL_SVC
-    vp10_svc_start_frame(cpi);
-    // Use a small empty frame instead of a real frame
-    if (cpi->svc.encode_empty_frame_state == ENCODING)
-      source = &cpi->svc.empty_frame;
-#endif
-    if (oxcf->pass == 2)
-      vp10_restore_layer_context(cpi);
-  } else if (is_one_pass_cbr_svc(cpi)) {
-    vp10_one_pass_cbr_svc_start_layer(cpi);
-  }
-
   vpx_usec_timer_start(&cmptimer);
 
   vp10_set_high_precision_mv(cpi, ALTREF_HIGH_PRECISION_MV);
 
   // Is multi-arf enabled.
-  // Note that at the moment multi_arf is only configured for 2 pass VBR and
-  // will not work properly with svc.
-  if ((oxcf->pass == 2) && !cpi->use_svc &&
-      (cpi->oxcf.enable_auto_arf > 1))
+  // Note that at the moment multi_arf is only configured for 2 pass VBR
+  if ((oxcf->pass == 2) && (cpi->oxcf.enable_auto_arf > 1))
     cpi->multi_arf_allowed = 1;
   else
     cpi->multi_arf_allowed = 0;
@@ -4142,19 +3954,14 @@
   // Normal defaults
   cm->reset_frame_context = 0;
   cm->refresh_frame_context = 1;
-  if (!is_one_pass_cbr_svc(cpi)) {
-    cpi->refresh_last_frame = 1;
-    cpi->refresh_golden_frame = 0;
-    cpi->refresh_alt_ref_frame = 0;
-  }
 
+  cpi->refresh_last_frame = 1;
+  cpi->refresh_golden_frame = 0;
+  cpi->refresh_alt_ref_frame = 0;
+
   // Should we encode an arf frame.
   arf_src_index = get_arf_src_index(cpi);
 
-  // Skip alt frame if we encode the empty frame
-  if (is_two_pass_svc(cpi) && source != NULL)
-    arf_src_index = 0;
-
   if (arf_src_index) {
     assert(arf_src_index <= rc->frames_to_key);
 
@@ -4161,20 +3968,6 @@
     if ((source = vp10_lookahead_peek(cpi->lookahead, arf_src_index)) != NULL) {
       cpi->alt_ref_source = source;
 
-#if CONFIG_SPATIAL_SVC
-      if (is_two_pass_svc(cpi) && cpi->svc.spatial_layer_id > 0) {
-        int i;
-        // Reference a hidden frame from a lower layer
-        for (i = cpi->svc.spatial_layer_id - 1; i >= 0; --i) {
-          if (oxcf->ss_enable_auto_arf[i]) {
-            cpi->gld_fb_idx = cpi->svc.layer_context[i].alt_ref_idx;
-            break;
-          }
-        }
-      }
-      cpi->svc.layer_context[cpi->svc.spatial_layer_id].has_alt_frame = 1;
-#endif
-
       if (oxcf->arnr_max_frames > 0) {
         // Produce the filtered ARF frame.
         vp10_temporal_filter(cpi, arf_src_index);
@@ -4202,21 +3995,11 @@
     }
 
     // Read in the source frame.
-    if (cpi->use_svc)
-      source = vp10_svc_lookahead_pop(cpi, cpi->lookahead, flush);
-    else
-      source = vp10_lookahead_pop(cpi->lookahead, flush);
+    source = vp10_lookahead_pop(cpi->lookahead, flush);
 
     if (source != NULL) {
       cm->show_frame = 1;
       cm->intra_only = 0;
-      // if the flags indicate intra frame, but if the current picture is for
-      // non-zero spatial layer, it should not be an intra picture.
-      // TODO(Won Kap): this needs to change if per-layer intra frame is
-      // allowed.
-      if ((source->flags & VPX_EFLAG_FORCE_KF) && cpi->svc.spatial_layer_id) {
-        source->flags &= ~(unsigned int)(VPX_EFLAG_FORCE_KF);
-      }
 
       // Check to see if the frame should be encoded as an arf overlay.
       check_src_altref(cpi, source);
@@ -4255,11 +4038,6 @@
     adjust_frame_rate(cpi, source);
   }
 
-  if (is_one_pass_cbr_svc(cpi)) {
-    vp10_update_temporal_layer_framerate(cpi);
-    vp10_restore_layer_context(cpi);
-  }
-
   // Find a free buffer for the new frame, releasing the reference previously
   // held.
   if (cm->new_fb_idx != INVALID_IDX) {
@@ -4272,7 +4050,7 @@
 
   cm->cur_frame = &pool->frame_bufs[cm->new_fb_idx];
 
-  if (!cpi->use_svc && cpi->multi_arf_allowed) {
+  if (cpi->multi_arf_allowed) {
     if (cm->frame_type == KEY_FRAME) {
       init_buffer_indices(cpi);
     } else if (oxcf->pass == 2) {
@@ -4286,24 +4064,18 @@
 
   cpi->frame_flags = *frame_flags;
 
-  if ((oxcf->pass == 2) &&
-      (!cpi->use_svc ||
-          (is_two_pass_svc(cpi) &&
-              cpi->svc.encode_empty_frame_state != ENCODING))) {
+  if (oxcf->pass == 2) {
     vp10_rc_get_second_pass_params(cpi);
   } else if (oxcf->pass == 1) {
     set_frame_size(cpi);
   }
 
-  if (cpi->oxcf.pass != 0 ||
-      cpi->use_svc ||
-      frame_is_intra_only(cm) == 1) {
+  if (cpi->oxcf.pass != 0 || frame_is_intra_only(cm) == 1) {
     for (i = 0; i < MAX_REF_FRAMES; ++i)
       cpi->scaled_ref_idx[i] = INVALID_IDX;
   }
 
-  if (oxcf->pass == 1 &&
-      (!cpi->use_svc || is_two_pass_svc(cpi))) {
+  if (oxcf->pass == 1) {
     const int lossless = is_lossless_requested(oxcf);
 #if CONFIG_VP9_HIGHBITDEPTH
     if (cpi->oxcf.use_highbitdepth)
@@ -4318,11 +4090,8 @@
 #endif  // CONFIG_VP9_HIGHBITDEPTH
     cpi->td.mb.itxm_add = lossless ? vp10_iwht4x4_add : vp10_idct4x4_add;
     vp10_first_pass(cpi, source);
-  } else if (oxcf->pass == 2 &&
-      (!cpi->use_svc || is_two_pass_svc(cpi))) {
+  } else if (oxcf->pass == 2) {
     Pass2Encode(cpi, size, dest, frame_flags);
-  } else if (cpi->use_svc) {
-    SvcEncode(cpi, size, dest, frame_flags);
   } else {
     // One pass encode
     Pass0Encode(cpi, size, dest, frame_flags);
@@ -4340,14 +4109,6 @@
     cpi->droppable = !frame_is_reference(cpi);
   }
 
-  // Save layer specific state.
-  if (is_one_pass_cbr_svc(cpi) ||
-        ((cpi->svc.number_temporal_layers > 1 ||
-          cpi->svc.number_spatial_layers > 1) &&
-         oxcf->pass == 2)) {
-    vp10_save_layer_context(cpi);
-  }
-
   vpx_usec_timer_mark(&cmptimer);
   cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer);
 
@@ -4526,27 +4287,6 @@
   }
 #endif
 
-  if (is_two_pass_svc(cpi)) {
-    if (cpi->svc.encode_empty_frame_state == ENCODING) {
-      cpi->svc.encode_empty_frame_state = ENCODED;
-      cpi->svc.encode_intra_empty_frame = 0;
-    }
-
-    if (cm->show_frame) {
-      ++cpi->svc.spatial_layer_to_encode;
-      if (cpi->svc.spatial_layer_to_encode >= cpi->svc.number_spatial_layers)
-        cpi->svc.spatial_layer_to_encode = 0;
-
-      // May need the empty frame after an visible frame.
-      cpi->svc.encode_empty_frame_state = NEED_TO_ENCODE;
-    }
-  } else if (is_one_pass_cbr_svc(cpi)) {
-    if (cm->show_frame) {
-      ++cpi->svc.spatial_layer_to_encode;
-      if (cpi->svc.spatial_layer_to_encode >= cpi->svc.number_spatial_layers)
-        cpi->svc.spatial_layer_to_encode = 0;
-    }
-  }
   vpx_clear_system_state();
   return 0;
 }
@@ -4637,11 +4377,6 @@
   update_frame_size(cpi);
 
   return 0;
-}
-
-void vp10_set_svc(VP10_COMP *cpi, int use_svc) {
-  cpi->use_svc = use_svc;
-  return;
 }
 
 int64_t vp10_get_y_sse(const YV12_BUFFER_CONFIG *a,
--- a/vp10/encoder/encoder.h
+++ b/vp10/encoder/encoder.h
@@ -33,7 +33,6 @@
 #include "vp10/encoder/ratectrl.h"
 #include "vp10/encoder/rd.h"
 #include "vp10/encoder/speed_features.h"
-#include "vp10/encoder/svc_layercontext.h"
 #include "vp10/encoder/tokenize.h"
 
 #if CONFIG_VP9_TEMPORAL_DENOISING
@@ -116,7 +115,7 @@
 } AQ_MODE;
 
 typedef enum {
-  RESIZE_NONE = 0,    // No frame resizing allowed (except for SVC).
+  RESIZE_NONE = 0,    // No frame resizing allowed.
   RESIZE_FIXED = 1,   // All frames are coded at the specified dimension.
   RESIZE_DYNAMIC = 2  // Coded size of each frame is determined by the codec.
 } RESIZE_TYPE;
@@ -189,16 +188,6 @@
   // END DATARATE CONTROL OPTIONS
   // ----------------------------------------------------------------
 
-  // Spatial and temporal scalability.
-  int ss_number_layers;  // Number of spatial layers.
-  int ts_number_layers;  // Number of temporal layers.
-  // Bitrate allocation for spatial layers.
-  int layer_target_bitrate[VPX_MAX_LAYERS];
-  int ss_target_bitrate[VPX_SS_MAX_LAYERS];
-  int ss_enable_auto_arf[VPX_SS_MAX_LAYERS];
-  // Bitrate allocation (CBR mode) and framerate factor, for temporal layers.
-  int ts_rate_decimator[VPX_TS_MAX_LAYERS];
-
   int enable_auto_arf;
 
   int encode_breakout;  // early breakout : for video conf recommend 800
@@ -239,7 +228,6 @@
   int use_highbitdepth;
 #endif
   vpx_color_space_t color_space;
-  VP9E_TEMPORAL_LAYERING_MODE temporal_layering_mode;
 } VP10EncoderConfig;
 
 static INLINE int is_lossless_requested(const VP10EncoderConfig *cfg) {
@@ -451,10 +439,6 @@
                     // number of MBs in the current frame when the frame is
                     // scaled.
 
-  int use_svc;
-
-  SVC svc;
-
   // Store frame variance info in SOURCE_VAR_BASED_PARTITION search type.
   diff *source_diff_var;
   // The threshold used in SOURCE_VAR_BASED_PARTITION search type.
@@ -546,8 +530,6 @@
 int vp10_set_size_literal(VP10_COMP *cpi, unsigned int width,
                          unsigned int height);
 
-void vp10_set_svc(VP10_COMP *cpi, int use_svc);
-
 int vp10_get_quantizer(struct VP10_COMP *cpi);
 
 static INLINE int frame_is_kf_gf_arf(const VP10_COMP *cpi) {
@@ -624,19 +606,9 @@
 
 void vp10_apply_encoding_flags(VP10_COMP *cpi, vpx_enc_frame_flags_t flags);
 
-static INLINE int is_two_pass_svc(const struct VP10_COMP *const cpi) {
-  return cpi->use_svc && cpi->oxcf.pass != 0;
-}
-
-static INLINE int is_one_pass_cbr_svc(const struct VP10_COMP *const cpi) {
-  return (cpi->use_svc && cpi->oxcf.pass == 0);
-}
-
 static INLINE int is_altref_enabled(const VP10_COMP *const cpi) {
   return cpi->oxcf.mode != REALTIME && cpi->oxcf.lag_in_frames > 0 &&
-         (cpi->oxcf.enable_auto_arf &&
-          (!is_two_pass_svc(cpi) ||
-           cpi->oxcf.ss_enable_auto_arf[cpi->svc.spatial_layer_id]));
+         cpi->oxcf.enable_auto_arf;
 }
 
 static INLINE void set_ref_ptrs(VP10_COMMON *cm, MACROBLOCKD *xd,
--- a/vp10/encoder/ethread.c
+++ b/vp10/encoder/ethread.c
@@ -76,13 +76,6 @@
   if (cpi->num_workers == 0) {
     int allocated_workers = num_workers;
 
-    // While using SVC, we need to allocate threads according to the highest
-    // resolution.
-    if (cpi->use_svc) {
-      int max_tile_cols = get_max_tile_cols(cpi);
-      allocated_workers = VPXMIN(cpi->oxcf.max_threads, max_tile_cols);
-    }
-
     CHECK_MEM_ERROR(cm, cpi->workers,
                     vpx_malloc(allocated_workers * sizeof(*cpi->workers)));
 
--- a/vp10/encoder/firstpass.c
+++ b/vp10/encoder/firstpass.c
@@ -55,7 +55,6 @@
 #define MIN_DECAY_FACTOR    0.01
 #define MIN_KF_BOOST        300
 #define NEW_MV_MODE_PENALTY 32
-#define SVC_FACTOR_PT_LOW   0.45
 #define DARK_THRESH         64
 #define DEFAULT_GRP_WEIGHT  1.0
 #define RC_FACTOR_MIN       0.75
@@ -177,7 +176,6 @@
   section->new_mv_count = 0.0;
   section->count      = 0.0;
   section->duration   = 1.0;
-  section->spatial_layer_id = 0;
 }
 
 static void accumulate_stats(FIRSTPASS_STATS *section,
@@ -184,7 +182,6 @@
                              const FIRSTPASS_STATS *frame) {
   section->frame += frame->frame;
   section->weight += frame->weight;
-  section->spatial_layer_id = frame->spatial_layer_id;
   section->intra_error += frame->intra_error;
   section->coded_error += frame->coded_error;
   section->sr_coded_error += frame->sr_coded_error;
@@ -292,15 +289,7 @@
 }
 
 void vp10_end_first_pass(VP10_COMP *cpi) {
-  if (is_two_pass_svc(cpi)) {
-    int i;
-    for (i = 0; i < cpi->svc.number_spatial_layers; ++i) {
-      output_stats(&cpi->svc.layer_context[i].twopass.total_stats,
-                   cpi->output_pkt_list);
-    }
-  } else {
-    output_stats(&cpi->twopass.total_stats, cpi->output_pkt_list);
-  }
+  output_stats(&cpi->twopass.total_stats, cpi->output_pkt_list);
 }
 
 static vpx_variance_fn_t get_block_variance_fn(BLOCK_SIZE bsize) {
@@ -530,9 +519,6 @@
   YV12_BUFFER_CONFIG *gld_yv12 = get_ref_frame_buffer(cpi, GOLDEN_FRAME);
   YV12_BUFFER_CONFIG *const new_yv12 = get_frame_new_buffer(cm);
   const YV12_BUFFER_CONFIG *first_ref_buf = lst_yv12;
-
-  LAYER_CONTEXT *const lc = is_two_pass_svc(cpi) ?
-        &cpi->svc.layer_context[cpi->svc.spatial_layer_id] : NULL;
   double intra_factor;
   double brightness_factor;
   BufferPool *const pool = cm->buffer_pool;
@@ -539,7 +525,7 @@
 
   // First pass code requires valid last and new frame buffers.
   assert(new_yv12 != NULL);
-  assert((lc != NULL) || frame_is_intra_only(cm) || (lst_yv12 != NULL));
+  assert(frame_is_intra_only(cm) || (lst_yv12 != NULL));
 
 #if CONFIG_FP_MB_STATS
   if (cpi->use_fp_mb_stats) {
@@ -556,51 +542,6 @@
   set_first_pass_params(cpi);
   vp10_set_quantizer(cm, find_fp_qindex(cm->bit_depth));
 
-  if (lc != NULL) {
-    twopass = &lc->twopass;
-
-    cpi->lst_fb_idx = cpi->svc.spatial_layer_id;
-    cpi->ref_frame_flags = VP9_LAST_FLAG;
-
-    if (cpi->svc.number_spatial_layers + cpi->svc.spatial_layer_id <
-        REF_FRAMES) {
-      cpi->gld_fb_idx =
-          cpi->svc.number_spatial_layers + cpi->svc.spatial_layer_id;
-      cpi->ref_frame_flags |= VP9_GOLD_FLAG;
-      cpi->refresh_golden_frame = (lc->current_video_frame_in_layer == 0);
-    } else {
-      cpi->refresh_golden_frame = 0;
-    }
-
-    if (lc->current_video_frame_in_layer == 0)
-      cpi->ref_frame_flags = 0;
-
-    vp10_scale_references(cpi);
-
-    // Use either last frame or alt frame for motion search.
-    if (cpi->ref_frame_flags & VP9_LAST_FLAG) {
-      first_ref_buf = vp10_get_scaled_ref_frame(cpi, LAST_FRAME);
-      if (first_ref_buf == NULL)
-        first_ref_buf = get_ref_frame_buffer(cpi, LAST_FRAME);
-    }
-
-    if (cpi->ref_frame_flags & VP9_GOLD_FLAG) {
-      gld_yv12 = vp10_get_scaled_ref_frame(cpi, GOLDEN_FRAME);
-      if (gld_yv12 == NULL) {
-        gld_yv12 = get_ref_frame_buffer(cpi, GOLDEN_FRAME);
-      }
-    } else {
-      gld_yv12 = NULL;
-    }
-
-    set_ref_ptrs(cm, xd,
-                 (cpi->ref_frame_flags & VP9_LAST_FLAG) ? LAST_FRAME: NONE,
-                 (cpi->ref_frame_flags & VP9_GOLD_FLAG) ? GOLDEN_FRAME : NONE);
-
-    cpi->Source = vp10_scale_if_required(cm, cpi->un_scaled_source,
-                                        &cpi->scaled_source);
-  }
-
   vp10_setup_block_planes(&x->e_mbd, cm->subsampling_x, cm->subsampling_y);
 
   vp10_setup_src_planes(x, cpi->Source, 0, 0);
@@ -754,8 +695,7 @@
       x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + BORDER_MV_PIXELS_B16;
 
       // Other than for the first frame do a motion search.
-      if ((lc == NULL && cm->current_video_frame > 0) ||
-          (lc != NULL && lc->current_video_frame_in_layer > 0)) {
+      if (cm->current_video_frame > 0) {
         int tmp_err, motion_error, raw_motion_error;
         // Assume 0,0 motion with no mv overhead.
         MV mv = {0, 0} , tmp_mv = {0, 0};
@@ -796,7 +736,7 @@
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 
         // TODO(pengchong): Replace the hard-coded threshold
-        if (raw_motion_error > 25 || lc != NULL) {
+        if (raw_motion_error > 25) {
           // Test last reference frame using the previous best mv as the
           // starting point (best reference) for the search.
           first_pass_motion_search(cpi, x, &best_ref_mv, &mv, &motion_error);
@@ -814,9 +754,7 @@
           }
 
           // Search in an older reference frame.
-          if (((lc == NULL && cm->current_video_frame > 1) ||
-               (lc != NULL && lc->current_video_frame_in_layer > 1))
-              && gld_yv12 != NULL) {
+          if ((cm->current_video_frame > 1) && gld_yv12 != NULL) {
             // Assume 0,0 motion with no mv overhead.
             int gf_motion_error;
 
@@ -1045,7 +983,6 @@
     fps.weight = intra_factor * brightness_factor;
 
     fps.frame = cm->current_video_frame;
-    fps.spatial_layer_id = cpi->svc.spatial_layer_id;
     fps.coded_error = (double)(coded_error >> 8) + min_err;
     fps.sr_coded_error = (double)(sr_coded_error >> 8) + min_err;
     fps.intra_error = (double)(intra_error >> 8) + min_err;
@@ -1116,18 +1053,13 @@
 
   vpx_extend_frame_borders(new_yv12);
 
-  if (lc != NULL) {
-    vp10_update_reference_frames(cpi);
-  } else {
-    // The frame we just compressed now becomes the last frame.
-    ref_cnt_fb(pool->frame_bufs, &cm->ref_frame_map[cpi->lst_fb_idx],
-               cm->new_fb_idx);
-  }
+  // The frame we just compressed now becomes the last frame.
+  ref_cnt_fb(pool->frame_bufs, &cm->ref_frame_map[cpi->lst_fb_idx],
+             cm->new_fb_idx);
 
   // Special case for the first frame. Copy into the GF buffer as a second
   // reference.
-  if (cm->current_video_frame == 0 && cpi->gld_fb_idx != INVALID_IDX &&
-      lc == NULL) {
+  if (cm->current_video_frame == 0 && cpi->gld_fb_idx != INVALID_IDX) {
     ref_cnt_fb(pool->frame_bufs, &cm->ref_frame_map[cpi->gld_fb_idx],
                cm->ref_frame_map[cpi->lst_fb_idx]);
   }
@@ -1149,8 +1081,6 @@
   }
 
   ++cm->current_video_frame;
-  if (cpi->use_svc)
-    vp10_inc_frame_in_layer(cpi);
 }
 
 static double calc_correction_factor(double err_per_mb,
@@ -1200,12 +1130,7 @@
                                          BPER_MB_NORMBITS) / active_mbs;
 
     int q;
-    int is_svc_upper_layer = 0;
 
-    if (is_two_pass_svc(cpi) && cpi->svc.spatial_layer_id > 0)
-      is_svc_upper_layer = 1;
-
-
     // Try and pick a max Q that will be high enough to encode the
     // content at the given rate.
     for (q = rc->best_quality; q < rc->worst_quality; ++q) {
@@ -1212,7 +1137,6 @@
       const double factor =
           calc_correction_factor(av_err_per_mb,
                                  ERR_DIVISOR - ediv_size_correction,
-                                 is_svc_upper_layer ? SVC_FACTOR_PT_LOW :
                                  FACTOR_PT_LOW, FACTOR_PT_HIGH, q,
                                  cpi->common.bit_depth);
       const int bits_per_mb =
@@ -1264,12 +1188,8 @@
 }
 
 void vp10_init_second_pass(VP10_COMP *cpi) {
-  SVC *const svc = &cpi->svc;
   const VP10EncoderConfig *const oxcf = &cpi->oxcf;
-  const int is_two_pass_svc = (svc->number_spatial_layers > 1) ||
-                              (svc->number_temporal_layers > 1);
-  TWO_PASS *const twopass = is_two_pass_svc ?
-      &svc->layer_context[svc->spatial_layer_id].twopass : &cpi->twopass;
+  TWO_PASS *const twopass = &cpi->twopass;
   double frame_rate;
   FIRSTPASS_STATS *stats;
 
@@ -1290,18 +1210,10 @@
   // encoded in the second pass is a guess. However, the sum duration is not.
   // It is calculated based on the actual durations of all frames from the
   // first pass.
+  vp10_new_framerate(cpi, frame_rate);
+  twopass->bits_left = (int64_t)(stats->duration * oxcf->target_bandwidth /
+                       10000000.0);
 
-  if (is_two_pass_svc) {
-    vp10_update_spatial_layer_framerate(cpi, frame_rate);
-    twopass->bits_left = (int64_t)(stats->duration *
-        svc->layer_context[svc->spatial_layer_id].target_bandwidth /
-        10000000.0);
-  } else {
-    vp10_new_framerate(cpi, frame_rate);
-    twopass->bits_left = (int64_t)(stats->duration * oxcf->target_bandwidth /
-                             10000000.0);
-  }
-
   // This variable monitors how far behind the second ref update is lagging.
   twopass->sr_update_lag = 1;
 
@@ -1701,16 +1613,9 @@
   int mid_frame_idx;
   unsigned char arf_buffer_indices[MAX_ACTIVE_ARFS];
   int alt_frame_index = frame_index;
-  int has_temporal_layers = is_two_pass_svc(cpi) &&
-                            cpi->svc.number_temporal_layers > 1;
 
-  // Only encode alt reference frame in temporal base layer.
-  if (has_temporal_layers)
-    alt_frame_index = cpi->svc.number_temporal_layers;
+  key_frame = cpi->common.frame_type == KEY_FRAME;
 
-  key_frame = cpi->common.frame_type == KEY_FRAME ||
-              vp10_is_upper_layer_key_frame(cpi);
-
   get_arf_buffer_indices(arf_buffer_indices);
 
   // For key frames the frame target rate is already set and it
@@ -1746,20 +1651,14 @@
     gf_group->rf_level[alt_frame_index] = GF_ARF_STD;
     gf_group->bit_allocation[alt_frame_index] = gf_arf_bits;
 
-    if (has_temporal_layers)
-      gf_group->arf_src_offset[alt_frame_index] =
-          (unsigned char)(rc->baseline_gf_interval -
-                          cpi->svc.number_temporal_layers);
-    else
-      gf_group->arf_src_offset[alt_frame_index] =
-          (unsigned char)(rc->baseline_gf_interval - 1);
+    gf_group->arf_src_offset[alt_frame_index] =
+        (unsigned char)(rc->baseline_gf_interval - 1);
 
     gf_group->arf_update_idx[alt_frame_index] = arf_buffer_indices[0];
     gf_group->arf_ref_idx[alt_frame_index] =
       arf_buffer_indices[cpi->multi_arf_last_grp_enabled &&
                          rc->source_alt_ref_active];
-    if (!has_temporal_layers)
-      ++frame_index;
+    ++frame_index;
 
     if (cpi->multi_arf_enabled) {
       // Set aside a slot for a level 1 arf.
@@ -1782,10 +1681,6 @@
     if (EOF == input_stats(twopass, &frame_stats))
       break;
 
-    if (has_temporal_layers && frame_index == alt_frame_index) {
-      ++frame_index;
-    }
-
     modified_err = calculate_modified_err(cpi, twopass, oxcf, &frame_stats);
 
     if (group_error > 0)
@@ -2047,26 +1942,6 @@
   // Set the interval until the next gf.
   rc->baseline_gf_interval = i - (is_key_frame || rc->source_alt_ref_pending);
 
-  // Only encode alt reference frame in temporal base layer. So
-  // baseline_gf_interval should be multiple of a temporal layer group
-  // (typically the frame distance between two base layer frames)
-  if (is_two_pass_svc(cpi) && cpi->svc.number_temporal_layers > 1) {
-    int count = (1 << (cpi->svc.number_temporal_layers - 1)) - 1;
-    int new_gf_interval = (rc->baseline_gf_interval + count) & (~count);
-    int j;
-    for (j = 0; j < new_gf_interval - rc->baseline_gf_interval; ++j) {
-      if (EOF == input_stats(twopass, this_frame))
-        break;
-      gf_group_err += calculate_modified_err(cpi, twopass, oxcf, this_frame);
-#if GROUP_ADAPTIVE_MAXQ
-      gf_group_raw_error += this_frame->coded_error;
-#endif
-      gf_group_skip_pct += this_frame->intra_skip_pct;
-      gf_group_inactive_zone_rows += this_frame->inactive_zone_rows;
-    }
-    rc->baseline_gf_interval = new_gf_interval;
-  }
-
   rc->frames_till_gf_update_due = rc->baseline_gf_interval;
 
   // Reset the file position.
@@ -2386,18 +2261,6 @@
     rc->next_key_frame_forced = 0;
   }
 
-  if (is_two_pass_svc(cpi) && cpi->svc.number_temporal_layers > 1) {
-    int count = (1 << (cpi->svc.number_temporal_layers - 1)) - 1;
-    int new_frame_to_key = (rc->frames_to_key + count) & (~count);
-    int j;
-    for (j = 0; j < new_frame_to_key - rc->frames_to_key; ++j) {
-      if (EOF == input_stats(twopass, this_frame))
-        break;
-      kf_group_err += calculate_modified_err(cpi, twopass, oxcf, this_frame);
-    }
-    rc->frames_to_key = new_frame_to_key;
-  }
-
   // Special case for the last key frame of the file.
   if (twopass->stats_in >= twopass->stats_in_end) {
     // Accumulate kf group error.
@@ -2547,16 +2410,6 @@
       assert(0);
       break;
   }
-  if (is_two_pass_svc(cpi)) {
-    if (cpi->svc.temporal_layer_id > 0) {
-      cpi->refresh_last_frame = 0;
-      cpi->refresh_golden_frame = 0;
-    }
-    if (cpi->svc.layer_context[cpi->svc.spatial_layer_id].gold_ref_idx < 0)
-      cpi->refresh_golden_frame = 0;
-    if (cpi->alt_ref_source == NULL)
-      cpi->refresh_alt_ref_frame = 0;
-  }
 }
 
 static int is_skippable_frame(const VP10_COMP *cpi) {
@@ -2564,9 +2417,7 @@
   // first  pass, and so do its previous and forward frames, then this frame
   // can be skipped for partition check, and the partition size is assigned
   // according to the variance
-  const SVC *const svc = &cpi->svc;
-  const TWO_PASS *const twopass = is_two_pass_svc(cpi) ?
-      &svc->layer_context[svc->spatial_layer_id].twopass : &cpi->twopass;
+  const TWO_PASS *const twopass = &cpi->twopass;
 
   return (!frame_is_intra_only(&cpi->common) &&
     twopass->stats_in - 2 > twopass->stats_in_start &&
@@ -2587,16 +2438,9 @@
   FIRSTPASS_STATS this_frame;
 
   int target_rate;
-  LAYER_CONTEXT *const lc = is_two_pass_svc(cpi) ?
-        &cpi->svc.layer_context[cpi->svc.spatial_layer_id] : 0;
 
-  if (lc != NULL) {
-    frames_left = (int)(twopass->total_stats.count -
-                  lc->current_video_frame_in_layer);
-  } else {
-    frames_left = (int)(twopass->total_stats.count -
-                  cm->current_video_frame);
-  }
+  frames_left = (int)(twopass->total_stats.count -
+                cm->current_video_frame);
 
   if (!twopass->stats_in)
     return;
@@ -2612,21 +2456,9 @@
 
     cm->frame_type = INTER_FRAME;
 
-    if (lc != NULL) {
-      if (cpi->svc.spatial_layer_id == 0) {
-        lc->is_key_frame = 0;
-      } else {
-        lc->is_key_frame = cpi->svc.layer_context[0].is_key_frame;
-
-        if (lc->is_key_frame)
-          cpi->ref_frame_flags &= (~VP9_LAST_FLAG);
-      }
-    }
-
     // Do the firstpass stats indicate that this frame is skippable for the
     // partition search?
-    if (cpi->sf.allow_partition_search_skip &&
-        cpi->oxcf.pass == 2 && (!cpi->use_svc || is_two_pass_svc(cpi))) {
+    if (cpi->sf.allow_partition_search_skip && cpi->oxcf.pass == 2) {
       cpi->partition_search_skippable_frame = is_skippable_frame(cpi);
     }
 
@@ -2637,8 +2469,7 @@
 
   if (cpi->oxcf.rc_mode == VPX_Q) {
     twopass->active_worst_quality = cpi->oxcf.cq_level;
-  } else if (cm->current_video_frame == 0 ||
-             (lc != NULL && lc->current_video_frame_in_layer == 0)) {
+  } else if (cm->current_video_frame == 0) {
     // Special case code for first frame.
     const int section_target_bandwidth = (int)(twopass->bits_left /
                                                frames_left);
@@ -2685,34 +2516,11 @@
     cm->frame_type = INTER_FRAME;
   }
 
-  if (lc != NULL) {
-    if (cpi->svc.spatial_layer_id == 0) {
-      lc->is_key_frame = (cm->frame_type == KEY_FRAME);
-      if (lc->is_key_frame) {
-        cpi->ref_frame_flags &=
-            (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
-        lc->frames_from_key_frame = 0;
-        // Encode an intra only empty frame since we have a key frame.
-        cpi->svc.encode_intra_empty_frame = 1;
-      }
-    } else {
-      cm->frame_type = INTER_FRAME;
-      lc->is_key_frame = cpi->svc.layer_context[0].is_key_frame;
-
-      if (lc->is_key_frame) {
-        cpi->ref_frame_flags &= (~VP9_LAST_FLAG);
-        lc->frames_from_key_frame = 0;
-      }
-    }
-  }
-
   // Define a new GF/ARF group. (Should always enter here for key frames).
   if (rc->frames_till_gf_update_due == 0) {
     define_gf_group(cpi, &this_frame);
 
     rc->frames_till_gf_update_due = rc->baseline_gf_interval;
-    if (lc != NULL)
-      cpi->refresh_golden_frame = 1;
 
 #if ARF_STATS_OUTPUT
     {
@@ -2732,8 +2540,7 @@
 
   // Do the firstpass stats indicate that this frame is skippable for the
   // partition search?
-  if (cpi->sf.allow_partition_search_skip && cpi->oxcf.pass == 2 &&
-      (!cpi->use_svc || is_two_pass_svc(cpi))) {
+  if (cpi->sf.allow_partition_search_skip && cpi->oxcf.pass == 2) {
     cpi->partition_search_skippable_frame = is_skippable_frame(cpi);
   }
 
@@ -2783,8 +2590,7 @@
     rc->rate_error_estimate = 0;
   }
 
-  if (cpi->common.frame_type != KEY_FRAME &&
-      !vp10_is_upper_layer_key_frame(cpi)) {
+  if (cpi->common.frame_type != KEY_FRAME) {
     twopass->kf_group_bits -= bits_used;
     twopass->last_kfgroup_zeromotion_pct = twopass->kf_zeromotion_pct;
   }
--- a/vp10/encoder/firstpass.h
+++ b/vp10/encoder/firstpass.h
@@ -64,7 +64,6 @@
   double new_mv_count;
   double duration;
   double count;
-  int64_t spatial_layer_id;
 } FIRSTPASS_STATS;
 
 typedef enum {
--- a/vp10/encoder/lookahead.h
+++ b/vp10/encoder/lookahead.h
@@ -14,11 +14,6 @@
 #include "vpx_scale/yv12config.h"
 #include "vpx/vpx_integer.h"
 
-#if CONFIG_SPATIAL_SVC
-#include "vpx/vp8cx.h"
-#include "vpx/vpx_encoder.h"
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
--- a/vp10/encoder/ratectrl.c
+++ b/vp10/encoder/ratectrl.c
@@ -233,28 +233,6 @@
   return target;
 }
 
-// Update the buffer level for higher temporal layers, given the encoded current
-// temporal layer.
-static void update_layer_buffer_level(SVC *svc, int encoded_frame_size) {
-  int i = 0;
-  int current_temporal_layer = svc->temporal_layer_id;
-  for (i = current_temporal_layer + 1;
-      i < svc->number_temporal_layers; ++i) {
-    const int layer = LAYER_IDS_TO_IDX(svc->spatial_layer_id, i,
-                                       svc->number_temporal_layers);
-    LAYER_CONTEXT *lc = &svc->layer_context[layer];
-    RATE_CONTROL *lrc = &lc->rc;
-    int bits_off_for_this_layer = (int)(lc->target_bandwidth / lc->framerate -
-        encoded_frame_size);
-    lrc->bits_off_target += bits_off_for_this_layer;
-
-    // Clip buffer level to maximum buffer size for the layer.
-    lrc->bits_off_target =
-        VPXMIN(lrc->bits_off_target, lrc->maximum_buffer_size);
-    lrc->buffer_level = lrc->bits_off_target;
-  }
-}
-
 // Update the buffer level: leaky bucket model.
 static void update_buffer_level(VP10_COMP *cpi, int encoded_frame_size) {
   const VP10_COMMON *const cm = &cpi->common;
@@ -270,10 +248,6 @@
   // Clip the buffer level to the maximum specified buffer size.
   rc->bits_off_target = VPXMIN(rc->bits_off_target, rc->maximum_buffer_size);
   rc->buffer_level = rc->bits_off_target;
-
-  if (is_one_pass_cbr_svc(cpi)) {
-    update_layer_buffer_level(&cpi->svc, encoded_frame_size);
-  }
 }
 
 int vp10_rc_get_default_min_gf_interval(
@@ -408,7 +382,7 @@
     rcf = rc->rate_correction_factors[rf_lvl];
   } else {
     if ((cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) &&
-        !rc->is_src_frame_alt_ref && !cpi->use_svc &&
+        !rc->is_src_frame_alt_ref &&
         (cpi->oxcf.rc_mode != VPX_CBR || cpi->oxcf.gf_cbr_boost_pct > 20))
       rcf = rc->rate_correction_factors[GF_ARF_STD];
     else
@@ -434,7 +408,7 @@
     rc->rate_correction_factors[rf_lvl] = factor;
   } else {
     if ((cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) &&
-        !rc->is_src_frame_alt_ref && !cpi->use_svc &&
+        !rc->is_src_frame_alt_ref &&
         (cpi->oxcf.rc_mode != VPX_CBR || cpi->oxcf.gf_cbr_boost_pct > 20))
       rc->rate_correction_factors[GF_ARF_STD] = factor;
     else
@@ -529,10 +503,7 @@
   i = active_best_quality;
 
   do {
-    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
-        cm->seg.enabled &&
-        cpi->svc.temporal_layer_id == 0 &&
-        cpi->svc.spatial_layer_id == 0) {
+    if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cm->seg.enabled) {
       bits_per_mb_at_this_q =
           (int)vp10_cyclic_refresh_rc_bits_per_mb(cpi, i, correction_factor);
     } else {
@@ -722,7 +693,6 @@
                                                 cm->bit_depth);
     }
   } else if (!rc->is_src_frame_alt_ref &&
-             !cpi->use_svc &&
              (cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
     // Use the lower of active_worst_quality and recent
     // average Q as basis for GF/ARF best Q limit unless last frame was
@@ -992,7 +962,7 @@
   int *inter_minq;
   ASSIGN_MINQ_TABLE(cm->bit_depth, inter_minq);
 
-  if (frame_is_intra_only(cm) || vp10_is_upper_layer_key_frame(cpi)) {
+  if (frame_is_intra_only(cm)) {
     // Handle the special case for key frames forced when we have reached
     // the maximum key frame interval. Here force the Q to a range
     // based on the ambient Q to reduce the risk of popping.
@@ -1111,7 +1081,7 @@
 #if LIMIT_QRANGE_FOR_ALTREF_AND_KEY
   vpx_clear_system_state();
   // Static forced key frames Q restrictions dealt with elsewhere.
-  if (!((frame_is_intra_only(cm) || vp10_is_upper_layer_key_frame(cpi))) ||
+  if (!(frame_is_intra_only(cm)) ||
       !rc->this_key_frame_forced ||
       (cpi->twopass.last_kfgroup_zeromotion_pct < STATIC_MOTION_THRESH)) {
     int qdelta = vp10_frame_type_qdelta(cpi, gf_group->rf_level[gf_group->index],
@@ -1138,8 +1108,7 @@
   if (oxcf->rc_mode == VPX_Q) {
     q = active_best_quality;
   // Special case code to try and match quality with forced key frames.
-  } else if ((frame_is_intra_only(cm) || vp10_is_upper_layer_key_frame(cpi)) &&
-             rc->this_key_frame_forced) {
+  } else if (frame_is_intra_only(cm) && rc->this_key_frame_forced) {
     // If static since last kf use better of last boosted and last kf q.
     if (cpi->twopass.last_kfgroup_zeromotion_pct >= STATIC_MOTION_THRESH) {
       q = VPXMIN(rc->last_kf_qindex, rc->last_boosted_qindex);
@@ -1281,8 +1250,7 @@
         ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[KEY_FRAME] + qindex, 2);
   } else {
     if (rc->is_src_frame_alt_ref ||
-        !(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) ||
-        (cpi->use_svc && oxcf->rc_mode == VPX_CBR)) {
+        !(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
       rc->last_q[INTER_FRAME] = qindex;
       rc->avg_frame_qindex[INTER_FRAME] =
         ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[INTER_FRAME] + qindex, 2);
@@ -1434,7 +1402,6 @@
 static int calc_pframe_target_size_one_pass_cbr(const VP10_COMP *cpi) {
   const VP10EncoderConfig *oxcf = &cpi->oxcf;
   const RATE_CONTROL *rc = &cpi->rc;
-  const SVC *const svc = &cpi->svc;
   const int64_t diff = rc->optimal_buffer_level - rc->buffer_level;
   const int64_t one_pct_bits = 1 + rc->optimal_buffer_level / 100;
   int min_frame_target =
@@ -1451,17 +1418,7 @@
   } else {
     target = rc->avg_frame_bandwidth;
   }
-  if (is_one_pass_cbr_svc(cpi)) {
-    // Note that for layers, avg_frame_bandwidth is the cumulative
-    // per-frame-bandwidth. For the target size of this frame, use the
-    // layer average frame size (i.e., non-cumulative per-frame-bw).
-    int layer =
-        LAYER_IDS_TO_IDX(svc->spatial_layer_id,
-            svc->temporal_layer_id, svc->number_temporal_layers);
-    const LAYER_CONTEXT *lc = &svc->layer_context[layer];
-    target = lc->avg_frame_size;
-    min_frame_target = VPXMAX(lc->avg_frame_size >> 4, FRAME_OVERHEAD_BITS);
-  }
+
   if (diff > 0) {
     // Lower the target bandwidth for this frame.
     const int pct_low = (int)VPXMIN(diff / one_pct_bits, oxcf->under_shoot_pct);
@@ -1482,8 +1439,6 @@
 
 static int calc_iframe_target_size_one_pass_cbr(const VP10_COMP *cpi) {
   const RATE_CONTROL *rc = &cpi->rc;
-  const VP10EncoderConfig *oxcf = &cpi->oxcf;
-  const SVC *const svc = &cpi->svc;
   int target;
   if (cpi->common.current_video_frame == 0) {
     target = ((rc->starting_buffer_level / 2) > INT_MAX)
@@ -1491,14 +1446,7 @@
   } else {
     int kf_boost = 32;
     double framerate = cpi->framerate;
-    if (svc->number_temporal_layers > 1 &&
-        oxcf->rc_mode == VPX_CBR) {
-      // Use the layer framerate for temporal layers CBR mode.
-      const int layer = LAYER_IDS_TO_IDX(svc->spatial_layer_id,
-          svc->temporal_layer_id, svc->number_temporal_layers);
-      const LAYER_CONTEXT *lc = &svc->layer_context[layer];
-      framerate = lc->framerate;
-    }
+
     kf_boost = VPXMAX(kf_boost, (int)(2 * framerate - 16));
     if (rc->frames_since_key <  framerate / 2) {
       kf_boost = (int)(kf_boost * rc->frames_since_key /
@@ -1507,82 +1455,6 @@
     target = ((16 + kf_boost) * rc->avg_frame_bandwidth) >> 4;
   }
   return vp10_rc_clamp_iframe_target_size(cpi, target);
-}
-
-// Reset information needed to set proper reference frames and buffer updates
-// for temporal layering. This is called when a key frame is encoded.
-static void reset_temporal_layer_to_zero(VP10_COMP *cpi) {
-  int sl;
-  LAYER_CONTEXT *lc = NULL;
-  cpi->svc.temporal_layer_id = 0;
-
-  for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
-    lc = &cpi->svc.layer_context[sl * cpi->svc.number_temporal_layers];
-    lc->current_video_frame_in_layer = 0;
-    lc->frames_from_key_frame = 0;
-  }
-}
-
-void vp10_rc_get_svc_params(VP10_COMP *cpi) {
-  VP10_COMMON *const cm = &cpi->common;
-  RATE_CONTROL *const rc = &cpi->rc;
-  int target = rc->avg_frame_bandwidth;
-  const int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
-      cpi->svc.temporal_layer_id, cpi->svc.number_temporal_layers);
-
-  if ((cm->current_video_frame == 0) ||
-      (cpi->frame_flags & FRAMEFLAGS_KEY) ||
-      (cpi->oxcf.auto_key && (rc->frames_since_key %
-          cpi->oxcf.key_freq == 0))) {
-    cm->frame_type = KEY_FRAME;
-    rc->source_alt_ref_active = 0;
-
-    if (is_two_pass_svc(cpi)) {
-      cpi->svc.layer_context[layer].is_key_frame = 1;
-      cpi->ref_frame_flags &=
-          (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
-    } else if (is_one_pass_cbr_svc(cpi)) {
-      cpi->svc.layer_context[layer].is_key_frame = 1;
-      reset_temporal_layer_to_zero(cpi);
-      cpi->ref_frame_flags &=
-                (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
-      // Assumption here is that LAST_FRAME is being updated for a keyframe.
-      // Thus no change in update flags.
-      target = calc_iframe_target_size_one_pass_cbr(cpi);
-    }
-  } else {
-    cm->frame_type = INTER_FRAME;
-    if (is_two_pass_svc(cpi)) {
-      LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer];
-      if (cpi->svc.spatial_layer_id == 0) {
-        lc->is_key_frame = 0;
-      } else {
-        lc->is_key_frame =
-            cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame;
-        if (lc->is_key_frame)
-          cpi->ref_frame_flags &= (~VP9_LAST_FLAG);
-      }
-      cpi->ref_frame_flags &= (~VP9_ALT_FLAG);
-    } else if (is_one_pass_cbr_svc(cpi)) {
-      LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer];
-      if (cpi->svc.spatial_layer_id == 0) {
-        lc->is_key_frame = 0;
-      } else {
-        lc->is_key_frame =
-            cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame;
-      }
-      target = calc_pframe_target_size_one_pass_cbr(cpi);
-    }
-  }
-
-  // Any update/change of global cyclic refresh parameters (amount/delta-qp)
-  // should be done here, before the frame qp is selected.
-  if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
-    vp10_cyclic_refresh_update_parameters(cpi);
-
-  vp10_rc_set_frame_target(cpi, target);
-  rc->frames_till_gf_update_due = INT_MAX;
-  rc->baseline_gf_interval = INT_MAX;
 }
 
 void vp10_rc_get_one_pass_cbr_params(VP10_COMP *cpi) {
--- a/vp10/encoder/ratectrl.h
+++ b/vp10/encoder/ratectrl.h
@@ -169,7 +169,6 @@
 // First call per frame, one of:
 //   vp10_rc_get_one_pass_vbr_params()
 //   vp10_rc_get_one_pass_cbr_params()
-//   vp10_rc_get_svc_params()
 //   vp10_rc_get_first_pass_params()
 //   vp10_rc_get_second_pass_params()
 // depending on the usage to set the rate control encode parameters desired.
@@ -190,7 +189,6 @@
 // encode_frame_to_data_rate() function.
 void vp10_rc_get_one_pass_vbr_params(struct VP10_COMP *cpi);
 void vp10_rc_get_one_pass_cbr_params(struct VP10_COMP *cpi);
-void vp10_rc_get_svc_params(struct VP10_COMP *cpi);
 
 // Post encode update of the rate control parameters based
 // on bytes used
--- a/vp10/encoder/speed_features.c
+++ b/vp10/encoder/speed_features.c
@@ -18,7 +18,7 @@
 // Intra only frames, golden frames (except alt ref overlays) and
 // alt ref frames tend to be coded at a higher than ambient quality
 static int frame_is_boosted(const VP10_COMP *cpi) {
-  return frame_is_kf_gf_arf(cpi) || vp10_is_upper_layer_key_frame(cpi);
+  return frame_is_kf_gf_arf(cpi);
 }
 
 // Sets a partition size down to which the auto partition code will always
@@ -284,8 +284,7 @@
     // pred_mv_sad will not be set (since vp10_mv_pred will not
     // be called).
     // TODO(marpan/agrange): Fix this condition.
-    sf->reference_masking = (cpi->oxcf.resize_mode != RESIZE_DYNAMIC &&
-                             cpi->svc.number_spatial_layers == 1) ? 1 : 0;
+    sf->reference_masking = (cpi->oxcf.resize_mode != RESIZE_DYNAMIC) ? 1 : 0;
 
     sf->disable_filter_search_var_thresh = 50;
     sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
--- a/vp10/encoder/svc_layercontext.c
+++ /dev/null
@@ -1,646 +1,0 @@
-/*
- *  Copyright (c) 2014 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 <math.h>
-
-#include "vp10/encoder/encoder.h"
-#include "vp10/encoder/svc_layercontext.h"
-#include "vp10/encoder/extend.h"
-
-#define SMALL_FRAME_FB_IDX 7
-#define SMALL_FRAME_WIDTH  16
-#define SMALL_FRAME_HEIGHT 16
-
-void vp10_init_layer_context(VP10_COMP *const cpi) {
-  SVC *const svc = &cpi->svc;
-  const VP10EncoderConfig *const oxcf = &cpi->oxcf;
-  int sl, tl;
-  int alt_ref_idx = svc->number_spatial_layers;
-
-  svc->spatial_layer_id = 0;
-  svc->temporal_layer_id = 0;
-
-  if (cpi->oxcf.error_resilient_mode == 0 && cpi->oxcf.pass == 2) {
-    if (vpx_realloc_frame_buffer(&cpi->svc.empty_frame.img,
-                                 SMALL_FRAME_WIDTH, SMALL_FRAME_HEIGHT,
-                                 cpi->common.subsampling_x,
-                                 cpi->common.subsampling_y,
-#if CONFIG_VP9_HIGHBITDEPTH
-                                 cpi->common.use_highbitdepth,
-#endif
-                                 VP9_ENC_BORDER_IN_PIXELS,
-                                 cpi->common.byte_alignment,
-                                 NULL, NULL, NULL))
-      vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
-                         "Failed to allocate empty frame for multiple frame "
-                         "contexts");
-
-    memset(cpi->svc.empty_frame.img.buffer_alloc, 0x80,
-           cpi->svc.empty_frame.img.buffer_alloc_sz);
-  }
-
-  for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
-    for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
-      int layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);
-      LAYER_CONTEXT *const lc = &svc->layer_context[layer];
-      RATE_CONTROL *const lrc = &lc->rc;
-      int i;
-      lc->current_video_frame_in_layer = 0;
-      lc->layer_size = 0;
-      lc->frames_from_key_frame = 0;
-      lc->last_frame_type = FRAME_TYPES;
-      lrc->ni_av_qi = oxcf->worst_allowed_q;
-      lrc->total_actual_bits = 0;
-      lrc->total_target_vs_actual = 0;
-      lrc->ni_tot_qi = 0;
-      lrc->tot_q = 0.0;
-      lrc->avg_q = 0.0;
-      lrc->ni_frames = 0;
-      lrc->decimation_count = 0;
-      lrc->decimation_factor = 0;
-
-      for (i = 0; i < RATE_FACTOR_LEVELS; ++i) {
-        lrc->rate_correction_factors[i] = 1.0;
-      }
-
-      if (cpi->oxcf.rc_mode == VPX_CBR) {
-        lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
-        lrc->last_q[INTER_FRAME] = oxcf->worst_allowed_q;
-        lrc->avg_frame_qindex[INTER_FRAME] = oxcf->worst_allowed_q;
-        lrc->avg_frame_qindex[KEY_FRAME] = oxcf->worst_allowed_q;
-      } else {
-        lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
-        lrc->last_q[KEY_FRAME] = oxcf->best_allowed_q;
-        lrc->last_q[INTER_FRAME] = oxcf->best_allowed_q;
-        lrc->avg_frame_qindex[KEY_FRAME] = (oxcf->worst_allowed_q +
-                                            oxcf->best_allowed_q) / 2;
-        lrc->avg_frame_qindex[INTER_FRAME] = (oxcf->worst_allowed_q +
-                                              oxcf->best_allowed_q) / 2;
-        if (oxcf->ss_enable_auto_arf[sl])
-          lc->alt_ref_idx = alt_ref_idx++;
-        else
-          lc->alt_ref_idx = INVALID_IDX;
-        lc->gold_ref_idx = INVALID_IDX;
-      }
-
-      lrc->buffer_level = oxcf->starting_buffer_level_ms *
-                              lc->target_bandwidth / 1000;
-      lrc->bits_off_target = lrc->buffer_level;
-    }
-  }
-
-  // Still have extra buffer for base layer golden frame
-  if (!(svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR)
-      && alt_ref_idx < REF_FRAMES)
-    svc->layer_context[0].gold_ref_idx = alt_ref_idx;
-}
-
-// Update the layer context from a change_config() call.
-void vp10_update_layer_context_change_config(VP10_COMP *const cpi,
-                                            const int target_bandwidth) {
-  SVC *const svc = &cpi->svc;
-  const VP10EncoderConfig *const oxcf = &cpi->oxcf;
-  const RATE_CONTROL *const rc = &cpi->rc;
-  int sl, tl, layer = 0, spatial_layer_target;
-  float bitrate_alloc = 1.0;
-
-  if (svc->temporal_layering_mode != VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING) {
-    for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
-      spatial_layer_target = 0;
-
-      for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
-        layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);
-        svc->layer_context[layer].target_bandwidth =
-            oxcf->layer_target_bitrate[layer];
-      }
-
-      layer = LAYER_IDS_TO_IDX(sl, ((oxcf->ts_number_layers - 1) < 0 ?
-          0 : (oxcf->ts_number_layers - 1)), oxcf->ts_number_layers);
-      spatial_layer_target =
-          svc->layer_context[layer].target_bandwidth =
-              oxcf->layer_target_bitrate[layer];
-
-      for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
-        LAYER_CONTEXT *const lc =
-            &svc->layer_context[sl * oxcf->ts_number_layers + tl];
-        RATE_CONTROL *const lrc = &lc->rc;
-
-        lc->spatial_layer_target_bandwidth = spatial_layer_target;
-        bitrate_alloc = (float)lc->target_bandwidth / spatial_layer_target;
-        lrc->starting_buffer_level =
-            (int64_t)(rc->starting_buffer_level * bitrate_alloc);
-        lrc->optimal_buffer_level =
-            (int64_t)(rc->optimal_buffer_level * bitrate_alloc);
-        lrc->maximum_buffer_size =
-            (int64_t)(rc->maximum_buffer_size * bitrate_alloc);
-        lrc->bits_off_target =
-            VPXMIN(lrc->bits_off_target, lrc->maximum_buffer_size);
-        lrc->buffer_level = VPXMIN(lrc->buffer_level, lrc->maximum_buffer_size);
-        lc->framerate = cpi->framerate / oxcf->ts_rate_decimator[tl];
-        lrc->avg_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
-        lrc->max_frame_bandwidth = rc->max_frame_bandwidth;
-        lrc->worst_quality = rc->worst_quality;
-        lrc->best_quality = rc->best_quality;
-      }
-    }
-  } else {
-    int layer_end;
-
-    if (svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) {
-      layer_end = svc->number_temporal_layers;
-    } else {
-      layer_end = svc->number_spatial_layers;
-    }
-
-    for (layer = 0; layer < layer_end; ++layer) {
-      LAYER_CONTEXT *const lc = &svc->layer_context[layer];
-      RATE_CONTROL *const lrc = &lc->rc;
-
-      lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
-
-      bitrate_alloc = (float)lc->target_bandwidth / target_bandwidth;
-      // Update buffer-related quantities.
-      lrc->starting_buffer_level =
-          (int64_t)(rc->starting_buffer_level * bitrate_alloc);
-      lrc->optimal_buffer_level =
-          (int64_t)(rc->optimal_buffer_level * bitrate_alloc);
-      lrc->maximum_buffer_size =
-          (int64_t)(rc->maximum_buffer_size * bitrate_alloc);
-      lrc->bits_off_target = VPXMIN(lrc->bits_off_target,
-                                    lrc->maximum_buffer_size);
-      lrc->buffer_level = VPXMIN(lrc->buffer_level, lrc->maximum_buffer_size);
-      // Update framerate-related quantities.
-      if (svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) {
-        lc->framerate = cpi->framerate / oxcf->ts_rate_decimator[layer];
-      } else {
-        lc->framerate = cpi->framerate;
-      }
-      lrc->avg_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
-      lrc->max_frame_bandwidth = rc->max_frame_bandwidth;
-      // Update qp-related quantities.
-      lrc->worst_quality = rc->worst_quality;
-      lrc->best_quality = rc->best_quality;
-    }
-  }
-}
-
-static LAYER_CONTEXT *get_layer_context(VP10_COMP *const cpi) {
-  if (is_one_pass_cbr_svc(cpi))
-    return &cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-        cpi->svc.number_temporal_layers + cpi->svc.temporal_layer_id];
-  else
-    return (cpi->svc.number_temporal_layers > 1 &&
-            cpi->oxcf.rc_mode == VPX_CBR) ?
-             &cpi->svc.layer_context[cpi->svc.temporal_layer_id] :
-             &cpi->svc.layer_context[cpi->svc.spatial_layer_id];
-}
-
-void vp10_update_temporal_layer_framerate(VP10_COMP *const cpi) {
-  SVC *const svc = &cpi->svc;
-  const VP10EncoderConfig *const oxcf = &cpi->oxcf;
-  LAYER_CONTEXT *const lc = get_layer_context(cpi);
-  RATE_CONTROL *const lrc = &lc->rc;
-  // Index into spatial+temporal arrays.
-  const int st_idx = svc->spatial_layer_id * svc->number_temporal_layers +
-      svc->temporal_layer_id;
-  const int tl = svc->temporal_layer_id;
-
-  lc->framerate = cpi->framerate / oxcf->ts_rate_decimator[tl];
-  lrc->avg_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
-  lrc->max_frame_bandwidth = cpi->rc.max_frame_bandwidth;
-  // Update the average layer frame size (non-cumulative per-frame-bw).
-  if (tl == 0) {
-    lc->avg_frame_size = lrc->avg_frame_bandwidth;
-  } else {
-    const double prev_layer_framerate =
-        cpi->framerate / oxcf->ts_rate_decimator[tl - 1];
-    const int prev_layer_target_bandwidth =
-        oxcf->layer_target_bitrate[st_idx - 1];
-    lc->avg_frame_size =
-        (int)((lc->target_bandwidth - prev_layer_target_bandwidth) /
-              (lc->framerate - prev_layer_framerate));
-  }
-}
-
-void vp10_update_spatial_layer_framerate(VP10_COMP *const cpi,
-                                         double framerate) {
-  const VP10EncoderConfig *const oxcf = &cpi->oxcf;
-  LAYER_CONTEXT *const lc = get_layer_context(cpi);
-  RATE_CONTROL *const lrc = &lc->rc;
-
-  lc->framerate = framerate;
-  lrc->avg_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
-  lrc->min_frame_bandwidth = (int)(lrc->avg_frame_bandwidth *
-                                   oxcf->two_pass_vbrmin_section / 100);
-  lrc->max_frame_bandwidth = (int)(((int64_t)lrc->avg_frame_bandwidth *
-                                   oxcf->two_pass_vbrmax_section) / 100);
-  vp10_rc_set_gf_interval_range(cpi, lrc);
-}
-
-void vp10_restore_layer_context(VP10_COMP *const cpi) {
-  LAYER_CONTEXT *const lc = get_layer_context(cpi);
-  const int old_frame_since_key = cpi->rc.frames_since_key;
-  const int old_frame_to_key = cpi->rc.frames_to_key;
-
-  cpi->rc = lc->rc;
-  cpi->twopass = lc->twopass;
-  cpi->oxcf.target_bandwidth = lc->target_bandwidth;
-  cpi->alt_ref_source = lc->alt_ref_source;
-  // Reset the frames_since_key and frames_to_key counters to their values
-  // before the layer restore. Keep these defined for the stream (not layer).
-  if (cpi->svc.number_temporal_layers > 1) {
-    cpi->rc.frames_since_key = old_frame_since_key;
-    cpi->rc.frames_to_key = old_frame_to_key;
-  }
-}
-
-void vp10_save_layer_context(VP10_COMP *const cpi) {
-  const VP10EncoderConfig *const oxcf = &cpi->oxcf;
-  LAYER_CONTEXT *const lc = get_layer_context(cpi);
-
-  lc->rc = cpi->rc;
-  lc->twopass = cpi->twopass;
-  lc->target_bandwidth = (int)oxcf->target_bandwidth;
-  lc->alt_ref_source = cpi->alt_ref_source;
-}
-
-void vp10_init_second_pass_spatial_svc(VP10_COMP *cpi) {
-  SVC *const svc = &cpi->svc;
-  int i;
-
-  for (i = 0; i < svc->number_spatial_layers; ++i) {
-    TWO_PASS *const twopass = &svc->layer_context[i].twopass;
-
-    svc->spatial_layer_id = i;
-    vp10_init_second_pass(cpi);
-
-    twopass->total_stats.spatial_layer_id = i;
-    twopass->total_left_stats.spatial_layer_id = i;
-  }
-  svc->spatial_layer_id = 0;
-}
-
-void vp10_inc_frame_in_layer(VP10_COMP *const cpi) {
-  LAYER_CONTEXT *const lc =
-      &cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-                              cpi->svc.number_temporal_layers];
-  ++lc->current_video_frame_in_layer;
-  ++lc->frames_from_key_frame;
-}
-
-int vp10_is_upper_layer_key_frame(const VP10_COMP *const cpi) {
-  return is_two_pass_svc(cpi) &&
-         cpi->svc.spatial_layer_id > 0 &&
-         cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-                                cpi->svc.number_temporal_layers +
-                                cpi->svc.temporal_layer_id].is_key_frame;
-}
-
-static void get_layer_resolution(const int width_org, const int height_org,
-                                 const int num, const int den,
-                                 int *width_out, int *height_out) {
-  int w, h;
-
-  if (width_out == NULL || height_out == NULL || den == 0)
-    return;
-
-  w = width_org * num / den;
-  h = height_org * num / den;
-
-  // make height and width even to make chrome player happy
-  w += w % 2;
-  h += h % 2;
-
-  *width_out = w;
-  *height_out = h;
-}
-
-// The function sets proper ref_frame_flags, buffer indices, and buffer update
-// variables for temporal layering mode 3 - that does 0-2-1-2 temporal layering
-// scheme.
-static void set_flags_and_fb_idx_for_temporal_mode3(VP10_COMP *const cpi) {
-  int frame_num_within_temporal_struct = 0;
-  int spatial_id, temporal_id;
-  spatial_id = cpi->svc.spatial_layer_id = cpi->svc.spatial_layer_to_encode;
-  frame_num_within_temporal_struct =
-      cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-      cpi->svc.number_temporal_layers].current_video_frame_in_layer % 4;
-  temporal_id = cpi->svc.temporal_layer_id =
-      (frame_num_within_temporal_struct & 1) ? 2 :
-      (frame_num_within_temporal_struct >> 1);
-  cpi->ext_refresh_last_frame = cpi->ext_refresh_golden_frame =
-      cpi->ext_refresh_alt_ref_frame = 0;
-  if (!temporal_id) {
-    cpi->ext_refresh_frame_flags_pending = 1;
-    cpi->ext_refresh_last_frame = 1;
-    if (!spatial_id) {
-      cpi->ref_frame_flags = VP9_LAST_FLAG;
-    } else if (cpi->svc.layer_context[temporal_id].is_key_frame) {
-      // base layer is a key frame.
-      cpi->ref_frame_flags = VP9_GOLD_FLAG;
-    } else {
-      cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-    }
-  } else if (temporal_id == 1) {
-    cpi->ext_refresh_frame_flags_pending = 1;
-    cpi->ext_refresh_alt_ref_frame = 1;
-    if (!spatial_id) {
-      cpi->ref_frame_flags = VP9_LAST_FLAG;
-    } else {
-      cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-    }
-  } else {
-    if (frame_num_within_temporal_struct == 1) {
-      // the first tl2 picture
-      if (!spatial_id) {
-        cpi->ext_refresh_frame_flags_pending = 1;
-        cpi->ext_refresh_alt_ref_frame = 1;
-        cpi->ref_frame_flags = VP9_LAST_FLAG;
-      } else if (spatial_id < cpi->svc.number_spatial_layers - 1) {
-        cpi->ext_refresh_frame_flags_pending = 1;
-        cpi->ext_refresh_alt_ref_frame = 1;
-        cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-      } else {  // Top layer
-        cpi->ext_refresh_frame_flags_pending = 0;
-        cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-      }
-    } else {
-      //  The second tl2 picture
-      if (!spatial_id) {
-        cpi->ext_refresh_frame_flags_pending = 1;
-        cpi->ref_frame_flags = VP9_LAST_FLAG;
-        cpi->ext_refresh_last_frame = 1;
-      } else if (spatial_id < cpi->svc.number_spatial_layers - 1) {
-        cpi->ext_refresh_frame_flags_pending = 1;
-        cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-        cpi->ext_refresh_last_frame = 1;
-      } else {  // top layer
-        cpi->ext_refresh_frame_flags_pending = 0;
-        cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-      }
-    }
-  }
-  if (temporal_id == 0) {
-    cpi->lst_fb_idx = spatial_id;
-    if (spatial_id)
-      cpi->gld_fb_idx = spatial_id - 1;
-    else
-      cpi->gld_fb_idx = 0;
-    cpi->alt_fb_idx = 0;
-  } else if (temporal_id == 1) {
-    cpi->lst_fb_idx = spatial_id;
-    cpi->gld_fb_idx = cpi->svc.number_spatial_layers + spatial_id - 1;
-    cpi->alt_fb_idx = cpi->svc.number_spatial_layers + spatial_id;
-  } else if (frame_num_within_temporal_struct == 1) {
-    cpi->lst_fb_idx = spatial_id;
-    cpi->gld_fb_idx = cpi->svc.number_spatial_layers + spatial_id - 1;
-    cpi->alt_fb_idx = cpi->svc.number_spatial_layers + spatial_id;
-  } else {
-    cpi->lst_fb_idx = cpi->svc.number_spatial_layers + spatial_id;
-    cpi->gld_fb_idx = cpi->svc.number_spatial_layers + spatial_id - 1;
-    cpi->alt_fb_idx = 0;
-  }
-}
-
-// The function sets proper ref_frame_flags, buffer indices, and buffer update
-// variables for temporal layering mode 2 - that does 0-1-0-1 temporal layering
-// scheme.
-static void set_flags_and_fb_idx_for_temporal_mode2(VP10_COMP *const cpi) {
-  int spatial_id, temporal_id;
-  spatial_id = cpi->svc.spatial_layer_id = cpi->svc.spatial_layer_to_encode;
-  temporal_id = cpi->svc.temporal_layer_id =
-      cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-      cpi->svc.number_temporal_layers].current_video_frame_in_layer & 1;
-  cpi->ext_refresh_last_frame = cpi->ext_refresh_golden_frame =
-                                cpi->ext_refresh_alt_ref_frame = 0;
-  if (!temporal_id) {
-    cpi->ext_refresh_frame_flags_pending = 1;
-    cpi->ext_refresh_last_frame = 1;
-    if (!spatial_id) {
-      cpi->ref_frame_flags = VP9_LAST_FLAG;
-    } else if (cpi->svc.layer_context[temporal_id].is_key_frame) {
-      // base layer is a key frame.
-      cpi->ref_frame_flags = VP9_GOLD_FLAG;
-    } else {
-      cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-    }
-  } else if (temporal_id == 1) {
-    cpi->ext_refresh_frame_flags_pending = 1;
-    cpi->ext_refresh_alt_ref_frame = 1;
-    if (!spatial_id) {
-      cpi->ref_frame_flags = VP9_LAST_FLAG;
-    } else {
-      cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-    }
-  }
-
-  if (temporal_id == 0) {
-    cpi->lst_fb_idx = spatial_id;
-    if (spatial_id)
-      cpi->gld_fb_idx = spatial_id - 1;
-    else
-      cpi->gld_fb_idx = 0;
-    cpi->alt_fb_idx = 0;
-  } else if (temporal_id == 1) {
-    cpi->lst_fb_idx = spatial_id;
-    cpi->gld_fb_idx = cpi->svc.number_spatial_layers + spatial_id - 1;
-    cpi->alt_fb_idx = cpi->svc.number_spatial_layers + spatial_id;
-  }
-}
-
-// The function sets proper ref_frame_flags, buffer indices, and buffer update
-// variables for temporal layering mode 0 - that has no temporal layering.
-static void set_flags_and_fb_idx_for_temporal_mode_noLayering(
-    VP10_COMP *const cpi) {
-  int spatial_id;
-  spatial_id = cpi->svc.spatial_layer_id = cpi->svc.spatial_layer_to_encode;
-  cpi->ext_refresh_last_frame =
-      cpi->ext_refresh_golden_frame = cpi->ext_refresh_alt_ref_frame = 0;
-  cpi->ext_refresh_frame_flags_pending = 1;
-  cpi->ext_refresh_last_frame = 1;
-  if (!spatial_id) {
-    cpi->ref_frame_flags = VP9_LAST_FLAG;
-  } else if (cpi->svc.layer_context[0].is_key_frame) {
-    cpi->ref_frame_flags = VP9_GOLD_FLAG;
-  } else {
-    cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
-  }
-  cpi->lst_fb_idx = spatial_id;
-  if (spatial_id)
-    cpi->gld_fb_idx = spatial_id - 1;
-  else
-    cpi->gld_fb_idx = 0;
-}
-
-int vp10_one_pass_cbr_svc_start_layer(VP10_COMP *const cpi) {
-  int width = 0, height = 0;
-  LAYER_CONTEXT *lc = NULL;
-
-  if (cpi->svc.temporal_layering_mode == VP9E_TEMPORAL_LAYERING_MODE_0212) {
-    set_flags_and_fb_idx_for_temporal_mode3(cpi);
-  } else if (cpi->svc.temporal_layering_mode ==
-           VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING) {
-    set_flags_and_fb_idx_for_temporal_mode_noLayering(cpi);
-  } else if (cpi->svc.temporal_layering_mode ==
-           VP9E_TEMPORAL_LAYERING_MODE_0101) {
-    set_flags_and_fb_idx_for_temporal_mode2(cpi);
-  } else if (cpi->svc.temporal_layering_mode ==
-      VP9E_TEMPORAL_LAYERING_MODE_BYPASS) {
-    // VP9E_TEMPORAL_LAYERING_MODE_BYPASS :
-    // if the code goes here, it means the encoder will be relying on the
-    // flags from outside for layering.
-    // However, since when spatial+temporal layering is used, the buffer indices
-    // cannot be derived automatically, the bypass mode will only work when the
-    // number of spatial layers equals 1.
-    assert(cpi->svc.number_spatial_layers == 1);
-  }
-
-  lc = &cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-                               cpi->svc.number_temporal_layers +
-                               cpi->svc.temporal_layer_id];
-
-  get_layer_resolution(cpi->oxcf.width, cpi->oxcf.height,
-                       lc->scaling_factor_num, lc->scaling_factor_den,
-                       &width, &height);
-
-  if (vp10_set_size_literal(cpi, width, height) != 0)
-    return VPX_CODEC_INVALID_PARAM;
-
-  return 0;
-}
-
-#if CONFIG_SPATIAL_SVC
-int vp10_svc_start_frame(VP10_COMP *const cpi) {
-  int width = 0, height = 0;
-  LAYER_CONTEXT *lc;
-  struct lookahead_entry *buf;
-  int count = 1 << (cpi->svc.number_temporal_layers - 1);
-
-  cpi->svc.spatial_layer_id = cpi->svc.spatial_layer_to_encode;
-  lc = &cpi->svc.layer_context[cpi->svc.spatial_layer_id];
-
-  cpi->svc.temporal_layer_id = 0;
-  while ((lc->current_video_frame_in_layer % count) != 0) {
-    ++cpi->svc.temporal_layer_id;
-    count >>= 1;
-  }
-
-  cpi->ref_frame_flags = VP9_ALT_FLAG | VP9_GOLD_FLAG | VP9_LAST_FLAG;
-
-  cpi->lst_fb_idx = cpi->svc.spatial_layer_id;
-
-  if (cpi->svc.spatial_layer_id == 0)
-    cpi->gld_fb_idx = (lc->gold_ref_idx >= 0) ?
-                      lc->gold_ref_idx : cpi->lst_fb_idx;
-  else
-    cpi->gld_fb_idx = cpi->svc.spatial_layer_id - 1;
-
-  if (lc->current_video_frame_in_layer == 0) {
-    if (cpi->svc.spatial_layer_id >= 2) {
-      cpi->alt_fb_idx = cpi->svc.spatial_layer_id - 2;
-    } else {
-      cpi->alt_fb_idx = cpi->lst_fb_idx;
-      cpi->ref_frame_flags &= (~VP9_LAST_FLAG & ~VP9_ALT_FLAG);
-    }
-  } else {
-    if (cpi->oxcf.ss_enable_auto_arf[cpi->svc.spatial_layer_id]) {
-      cpi->alt_fb_idx = lc->alt_ref_idx;
-      if (!lc->has_alt_frame)
-        cpi->ref_frame_flags &= (~VP9_ALT_FLAG);
-    } else {
-      // Find a proper alt_fb_idx for layers that don't have alt ref frame
-      if (cpi->svc.spatial_layer_id == 0) {
-        cpi->alt_fb_idx = cpi->lst_fb_idx;
-      } else {
-        LAYER_CONTEXT *lc_lower =
-            &cpi->svc.layer_context[cpi->svc.spatial_layer_id - 1];
-
-        if (cpi->oxcf.ss_enable_auto_arf[cpi->svc.spatial_layer_id - 1] &&
-            lc_lower->alt_ref_source != NULL)
-          cpi->alt_fb_idx = lc_lower->alt_ref_idx;
-        else if (cpi->svc.spatial_layer_id >= 2)
-          cpi->alt_fb_idx = cpi->svc.spatial_layer_id - 2;
-        else
-          cpi->alt_fb_idx = cpi->lst_fb_idx;
-      }
-    }
-  }
-
-  get_layer_resolution(cpi->oxcf.width, cpi->oxcf.height,
-                       lc->scaling_factor_num, lc->scaling_factor_den,
-                       &width, &height);
-
-  // Workaround for multiple frame contexts. In some frames we can't use prev_mi
-  // since its previous frame could be changed during decoding time. The idea is
-  // we put a empty invisible frame in front of them, then we will not use
-  // prev_mi when encoding these frames.
-
-  buf = vp10_lookahead_peek(cpi->lookahead, 0);
-  if (cpi->oxcf.error_resilient_mode == 0 && cpi->oxcf.pass == 2 &&
-      cpi->svc.encode_empty_frame_state == NEED_TO_ENCODE &&
-      lc->rc.frames_to_key != 0 &&
-      !(buf != NULL && (buf->flags & VPX_EFLAG_FORCE_KF))) {
-    if ((cpi->svc.number_temporal_layers > 1 &&
-         cpi->svc.temporal_layer_id < cpi->svc.number_temporal_layers - 1) ||
-        (cpi->svc.number_spatial_layers > 1 &&
-         cpi->svc.spatial_layer_id == 0)) {
-      struct lookahead_entry *buf = vp10_lookahead_peek(cpi->lookahead, 0);
-
-      if (buf != NULL) {
-        cpi->svc.empty_frame.ts_start = buf->ts_start;
-        cpi->svc.empty_frame.ts_end = buf->ts_end;
-        cpi->svc.encode_empty_frame_state = ENCODING;
-        cpi->common.show_frame = 0;
-        cpi->ref_frame_flags = 0;
-        cpi->common.frame_type = INTER_FRAME;
-        cpi->lst_fb_idx =
-            cpi->gld_fb_idx = cpi->alt_fb_idx = SMALL_FRAME_FB_IDX;
-
-        if (cpi->svc.encode_intra_empty_frame != 0)
-          cpi->common.intra_only = 1;
-
-        width = SMALL_FRAME_WIDTH;
-        height = SMALL_FRAME_HEIGHT;
-      }
-    }
-  }
-
-  cpi->oxcf.worst_allowed_q = vp10_quantizer_to_qindex(lc->max_q);
-  cpi->oxcf.best_allowed_q = vp10_quantizer_to_qindex(lc->min_q);
-
-  vp10_change_config(cpi, &cpi->oxcf);
-
-  if (vp10_set_size_literal(cpi, width, height) != 0)
-    return VPX_CODEC_INVALID_PARAM;
-
-  vp10_set_high_precision_mv(cpi, 1);
-
-  cpi->alt_ref_source = get_layer_context(cpi)->alt_ref_source;
-
-  return 0;
-}
-
-#endif
-
-struct lookahead_entry *vp10_svc_lookahead_pop(VP10_COMP *const cpi,
-                                              struct lookahead_ctx *ctx,
-                                              int drain) {
-  struct lookahead_entry *buf = NULL;
-  if (ctx->sz && (drain || ctx->sz == ctx->max_sz - MAX_PRE_FRAMES)) {
-    buf = vp10_lookahead_peek(ctx, 0);
-    if (buf != NULL) {
-      // Only remove the buffer when pop the highest layer.
-      if (cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1) {
-        vp10_lookahead_pop(ctx, drain);
-      }
-    }
-  }
-  return buf;
-}
--- a/vp10/encoder/svc_layercontext.h
+++ /dev/null
@@ -1,122 +1,0 @@
-/*
- *  Copyright (c) 2014 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 VP10_ENCODER_SVC_LAYERCONTEXT_H_
-#define VP10_ENCODER_SVC_LAYERCONTEXT_H_
-
-#include "vpx/vpx_encoder.h"
-
-#include "vp10/encoder/ratectrl.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct {
-  RATE_CONTROL rc;
-  int target_bandwidth;
-  int spatial_layer_target_bandwidth;  // Target for the spatial layer.
-  double framerate;
-  int avg_frame_size;
-  int max_q;
-  int min_q;
-  int scaling_factor_num;
-  int scaling_factor_den;
-  TWO_PASS twopass;
-  vpx_fixed_buf_t rc_twopass_stats_in;
-  unsigned int current_video_frame_in_layer;
-  int is_key_frame;
-  int frames_from_key_frame;
-  FRAME_TYPE last_frame_type;
-  struct lookahead_entry  *alt_ref_source;
-  int alt_ref_idx;
-  int gold_ref_idx;
-  int has_alt_frame;
-  size_t layer_size;
-  struct vpx_psnr_pkt psnr_pkt;
-} LAYER_CONTEXT;
-
-typedef struct {
-  int spatial_layer_id;
-  int temporal_layer_id;
-  int number_spatial_layers;
-  int number_temporal_layers;
-
-  int spatial_layer_to_encode;
-
-  // Workaround for multiple frame contexts
-  enum {
-    ENCODED = 0,
-    ENCODING,
-    NEED_TO_ENCODE
-  }encode_empty_frame_state;
-  struct lookahead_entry empty_frame;
-  int encode_intra_empty_frame;
-
-  // Store scaled source frames to be used for temporal filter to generate
-  // a alt ref frame.
-  YV12_BUFFER_CONFIG scaled_frames[MAX_LAG_BUFFERS];
-
-  // Layer context used for rate control in one pass temporal CBR mode or
-  // two pass spatial mode.
-  LAYER_CONTEXT layer_context[VPX_MAX_LAYERS];
-  // Indicates what sort of temporal layering is used.
-  // Currently, this only works for CBR mode.
-  VP9E_TEMPORAL_LAYERING_MODE temporal_layering_mode;
-} SVC;
-
-struct VP10_COMP;
-
-// Initialize layer context data from init_config().
-void vp10_init_layer_context(struct VP10_COMP *const cpi);
-
-// Update the layer context from a change_config() call.
-void vp10_update_layer_context_change_config(struct VP10_COMP *const cpi,
-                                            const int target_bandwidth);
-
-// Prior to encoding the frame, update framerate-related quantities
-// for the current temporal layer.
-void vp10_update_temporal_layer_framerate(struct VP10_COMP *const cpi);
-
-// Update framerate-related quantities for the current spatial layer.
-void vp10_update_spatial_layer_framerate(struct VP10_COMP *const cpi,
-                                        double framerate);
-
-// Prior to encoding the frame, set the layer context, for the current layer
-// to be encoded, to the cpi struct.
-void vp10_restore_layer_context(struct VP10_COMP *const cpi);
-
-// Save the layer context after encoding the frame.
-void vp10_save_layer_context(struct VP10_COMP *const cpi);
-
-// Initialize second pass rc for spatial svc.
-void vp10_init_second_pass_spatial_svc(struct VP10_COMP *cpi);
-
-// Increment number of video frames in layer
-void vp10_inc_frame_in_layer(struct VP10_COMP *const cpi);
-
-// Check if current layer is key frame in spatial upper layer
-int vp10_is_upper_layer_key_frame(const struct VP10_COMP *const cpi);
-
-// Get the next source buffer to encode
-struct lookahead_entry *vp10_svc_lookahead_pop(struct VP10_COMP *const cpi,
-                                              struct lookahead_ctx *ctx,
-                                              int drain);
-
-// Start a frame and initialize svc parameters
-int vp10_svc_start_frame(struct VP10_COMP *const cpi);
-
-int vp10_one_pass_cbr_svc_start_layer(struct VP10_COMP *const cpi);
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP10_ENCODER_SVC_LAYERCONTEXT_
--- a/vp10/encoder/temporal_filter.c
+++ b/vp10/encoder/temporal_filter.c
@@ -652,9 +652,7 @@
 }
 
 void vp10_temporal_filter(VP10_COMP *cpi, int distance) {
-  VP10_COMMON *const cm = &cpi->common;
   RATE_CONTROL *const rc = &cpi->rc;
-  MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
   int frame;
   int frames_to_blur;
   int start_frame;
@@ -681,67 +679,21 @@
   if (frames_to_blur > 0) {
     // Setup scaling factors. Scaling on each of the arnr frames is not
     // supported.
-    if (cpi->use_svc) {
-      // In spatial svc the scaling factors might be less then 1/2.
-      // So we will use non-normative scaling.
-      int frame_used = 0;
+    // ARF is produced at the native frame size and resized when coded.
 #if CONFIG_VP9_HIGHBITDEPTH
-      vp10_setup_scale_factors_for_frame(
-          &sf,
-          get_frame_new_buffer(cm)->y_crop_width,
-          get_frame_new_buffer(cm)->y_crop_height,
-          get_frame_new_buffer(cm)->y_crop_width,
-          get_frame_new_buffer(cm)->y_crop_height,
-          cm->use_highbitdepth);
+    vp10_setup_scale_factors_for_frame(&sf,
+                                      frames[0]->y_crop_width,
+                                      frames[0]->y_crop_height,
+                                      frames[0]->y_crop_width,
+                                      frames[0]->y_crop_height,
+                                      cm->use_highbitdepth);
 #else
-      vp10_setup_scale_factors_for_frame(
-          &sf,
-          get_frame_new_buffer(cm)->y_crop_width,
-          get_frame_new_buffer(cm)->y_crop_height,
-          get_frame_new_buffer(cm)->y_crop_width,
-          get_frame_new_buffer(cm)->y_crop_height);
+    vp10_setup_scale_factors_for_frame(&sf,
+                                      frames[0]->y_crop_width,
+                                      frames[0]->y_crop_height,
+                                      frames[0]->y_crop_width,
+                                      frames[0]->y_crop_height);
 #endif  // CONFIG_VP9_HIGHBITDEPTH
-
-      for (frame = 0; frame < frames_to_blur; ++frame) {
-        if (cm->mi_cols * MI_SIZE != frames[frame]->y_width ||
-            cm->mi_rows * MI_SIZE != frames[frame]->y_height) {
-          if (vpx_realloc_frame_buffer(&cpi->svc.scaled_frames[frame_used],
-                                       cm->width, cm->height,
-                                       cm->subsampling_x, cm->subsampling_y,
-#if CONFIG_VP9_HIGHBITDEPTH
-                                       cm->use_highbitdepth,
-#endif
-                                       VP9_ENC_BORDER_IN_PIXELS,
-                                       cm->byte_alignment,
-                                       NULL, NULL, NULL)) {
-            vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                               "Failed to reallocate alt_ref_buffer");
-          }
-          frames[frame] = vp10_scale_if_required(
-              cm, frames[frame], &cpi->svc.scaled_frames[frame_used]);
-          ++frame_used;
-        }
-      }
-      cm->mi = cm->mip + cm->mi_stride + 1;
-      xd->mi = cm->mi_grid_visible;
-      xd->mi[0] = cm->mi;
-    } else {
-      // ARF is produced at the native frame size and resized when coded.
-#if CONFIG_VP9_HIGHBITDEPTH
-      vp10_setup_scale_factors_for_frame(&sf,
-                                        frames[0]->y_crop_width,
-                                        frames[0]->y_crop_height,
-                                        frames[0]->y_crop_width,
-                                        frames[0]->y_crop_height,
-                                        cm->use_highbitdepth);
-#else
-      vp10_setup_scale_factors_for_frame(&sf,
-                                        frames[0]->y_crop_width,
-                                        frames[0]->y_crop_height,
-                                        frames[0]->y_crop_width,
-                                        frames[0]->y_crop_height);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-    }
   }
 
   temporal_filter_iterate_c(cpi, frames, frames_to_blur,
--- a/vp10/vp10_cx_iface.c
+++ b/vp10/vp10_cx_iface.c
@@ -186,46 +186,10 @@
     RANGE_CHECK(cfg, rc_scaled_height, 0, cfg->g_h);
   }
 
-  RANGE_CHECK(cfg, ss_number_layers, 1, VPX_SS_MAX_LAYERS);
-  RANGE_CHECK(cfg, ts_number_layers, 1, VPX_TS_MAX_LAYERS);
-
-  if (cfg->ss_number_layers * cfg->ts_number_layers > VPX_MAX_LAYERS)
-    ERROR("ss_number_layers * ts_number_layers is out of range");
-  if (cfg->ts_number_layers > 1) {
-    unsigned int sl, tl;
-    for (sl = 1; sl < cfg->ss_number_layers; ++sl) {
-      for (tl = 1; tl < cfg->ts_number_layers; ++tl) {
-        const int layer =
-            LAYER_IDS_TO_IDX(sl, tl, cfg->ts_number_layers);
-        if (cfg->layer_target_bitrate[layer] <
-            cfg->layer_target_bitrate[layer - 1])
-        ERROR("ts_target_bitrate entries are not increasing");
-      }
-    }
-
-    RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers - 1], 1, 1);
-    for (tl = cfg->ts_number_layers - 2; tl > 0; --tl)
-      if (cfg->ts_rate_decimator[tl - 1] != 2 * cfg->ts_rate_decimator[tl])
-        ERROR("ts_rate_decimator factors are not powers of 2");
-  }
-
-#if CONFIG_SPATIAL_SVC
-
-  if ((cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) &&
-      cfg->g_pass == VPX_RC_LAST_PASS) {
-    unsigned int i, alt_ref_sum = 0;
-    for (i = 0; i < cfg->ss_number_layers; ++i) {
-      if (cfg->ss_enable_auto_alt_ref[i])
-        ++alt_ref_sum;
-    }
-    if (alt_ref_sum > REF_FRAMES - cfg->ss_number_layers)
-      ERROR("Not enough ref buffers for svc alt ref frames");
-    if (cfg->ss_number_layers * cfg->ts_number_layers > 3 &&
-        cfg->g_error_resilient == 0)
-    ERROR("Multiple frame context are not supported for more than 3 layers");
-  }
-#endif
-
+  // Spatial/temporal scalability are not yet supported in VP10.
+  // Only accept the default value for range checking.
+  RANGE_CHECK(cfg, ss_number_layers, 1, 1);
+  RANGE_CHECK(cfg, ts_number_layers, 1, 1);
   // VP9 does not support a lower bound on the keyframe interval in
   // automatic keyframe placement mode.
   if (cfg->kf_mode != VPX_KF_DISABLED &&
@@ -263,44 +227,14 @@
     if (cfg->rc_twopass_stats_in.sz % packet_sz)
       ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
 
-    if (cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) {
-      int i;
-      unsigned int n_packets_per_layer[VPX_SS_MAX_LAYERS] = {0};
+    if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
+      ERROR("rc_twopass_stats_in requires at least two packets.");
 
-      stats = cfg->rc_twopass_stats_in.buf;
-      for (i = 0; i < n_packets; ++i) {
-        const int layer_id = (int)stats[i].spatial_layer_id;
-        if (layer_id >= 0 && layer_id < (int)cfg->ss_number_layers) {
-          ++n_packets_per_layer[layer_id];
-        }
-      }
+    stats =
+        (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf + n_packets - 1;
 
-      for (i = 0; i < (int)cfg->ss_number_layers; ++i) {
-        unsigned int layer_id;
-        if (n_packets_per_layer[i] < 2) {
-          ERROR("rc_twopass_stats_in requires at least two packets for each "
-                "layer.");
-        }
-
-        stats = (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf +
-                n_packets - cfg->ss_number_layers + i;
-        layer_id = (int)stats->spatial_layer_id;
-
-        if (layer_id >= cfg->ss_number_layers
-            ||(unsigned int)(stats->count + 0.5) !=
-               n_packets_per_layer[layer_id] - 1)
-          ERROR("rc_twopass_stats_in missing EOS stats packet");
-      }
-    } else {
-      if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
-        ERROR("rc_twopass_stats_in requires at least two packets.");
-
-      stats =
-          (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf + n_packets - 1;
-
-      if ((int)(stats->count + 0.5) != n_packets - 1)
-        ERROR("rc_twopass_stats_in missing EOS stats packet");
-    }
+    if ((int)(stats->count + 0.5) != n_packets - 1)
+      ERROR("rc_twopass_stats_in missing EOS stats packet");
   }
 
 #if !CONFIG_VP9_HIGHBITDEPTH
@@ -381,7 +315,6 @@
   const vpx_codec_enc_cfg_t *cfg,
   const struct vp10_extracfg *extra_cfg) {
   const int is_vbr = cfg->rc_end_usage == VPX_VBR;
-  int sl, tl;
   oxcf->profile = cfg->g_profile;
   oxcf->max_threads = (int)cfg->g_threads;
   oxcf->width   = cfg->g_w;
@@ -483,34 +416,6 @@
 
   oxcf->frame_periodic_boost =  extra_cfg->frame_periodic_boost;
 
-  oxcf->ss_number_layers = cfg->ss_number_layers;
-  oxcf->ts_number_layers = cfg->ts_number_layers;
-  oxcf->temporal_layering_mode = (enum vp9e_temporal_layering_mode)
-      cfg->temporal_layering_mode;
-
-  for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
-#if CONFIG_SPATIAL_SVC
-    oxcf->ss_enable_auto_arf[sl] = cfg->ss_enable_auto_alt_ref[sl];
-#endif
-    for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
-      oxcf->layer_target_bitrate[sl * oxcf->ts_number_layers + tl] =
-          1000 * cfg->layer_target_bitrate[sl * oxcf->ts_number_layers + tl];
-    }
-  }
-  if (oxcf->ss_number_layers == 1 && oxcf->pass != 0) {
-    oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth;
-#if CONFIG_SPATIAL_SVC
-    oxcf->ss_enable_auto_arf[0] = extra_cfg->enable_auto_alt_ref;
-#endif
-  }
-  if (oxcf->ts_number_layers > 1) {
-    for (tl = 0; tl < VPX_TS_MAX_LAYERS; ++tl) {
-      oxcf->ts_rate_decimator[tl] = cfg->ts_rate_decimator[tl] ?
-          cfg->ts_rate_decimator[tl] : 1;
-    }
-  } else if (oxcf->ts_number_layers == 1) {
-    oxcf->ts_rate_decimator[0] = 1;
-  }
   /*
   printf("Current VP9 Settings: \n");
   printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
@@ -938,12 +843,7 @@
                                                    unsigned int lib_flags) {
   vpx_codec_frame_flags_t flags = lib_flags << 16;
 
-  if (lib_flags & FRAMEFLAGS_KEY ||
-      (cpi->use_svc &&
-          cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-              cpi->svc.number_temporal_layers +
-              cpi->svc.temporal_layer_id].is_key_frame)
-     )
+  if (lib_flags & FRAMEFLAGS_KEY)
     flags |= VPX_FRAME_IS_KEY;
 
   if (cpi->droppable)
@@ -1058,17 +958,8 @@
       if (size) {
         vpx_codec_cx_pkt_t pkt;
 
-#if CONFIG_SPATIAL_SVC
-        if (cpi->use_svc)
-          cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-              cpi->svc.number_temporal_layers].layer_size += size;
-#endif
-
         // Pack invisible frames with the next visible frame
-        if (!cpi->common.show_frame ||
-            (cpi->use_svc &&
-             cpi->svc.spatial_layer_id < cpi->svc.number_spatial_layers - 1)
-            ) {
+        if (!cpi->common.show_frame) {
           if (ctx->pending_cx_data == 0)
             ctx->pending_cx_data = cx_data;
           ctx->pending_cx_data_sz += size;
@@ -1132,34 +1023,6 @@
 
         cx_data += size;
         cx_data_sz -= size;
-#if VPX_ENCODER_ABI_VERSION > (5 + VPX_CODEC_ABI_VERSION)
-#if CONFIG_SPATIAL_SVC
-        if (cpi->use_svc && !ctx->output_cx_pkt_cb.output_cx_pkt) {
-          vpx_codec_cx_pkt_t pkt_sizes, pkt_psnr;
-          int sl;
-          vp10_zero(pkt_sizes);
-          vp10_zero(pkt_psnr);
-          pkt_sizes.kind = VPX_CODEC_SPATIAL_SVC_LAYER_SIZES;
-          pkt_psnr.kind = VPX_CODEC_SPATIAL_SVC_LAYER_PSNR;
-          for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
-            LAYER_CONTEXT *lc =
-                &cpi->svc.layer_context[sl * cpi->svc.number_temporal_layers];
-            pkt_sizes.data.layer_sizes[sl] = lc->layer_size;
-            pkt_psnr.data.layer_psnr[sl] = lc->psnr_pkt;
-            lc->layer_size = 0;
-          }
-
-          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_sizes);
-
-          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_psnr);
-        }
-#endif
-#endif
-        if (is_one_pass_cbr_svc(cpi) &&
-            (cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) {
-          // Encoded all spatial layers; exit loop.
-          break;
-        }
       }
     }
   }
@@ -1334,84 +1197,6 @@
   }
 }
 
-static vpx_codec_err_t ctrl_set_svc(vpx_codec_alg_priv_t *ctx, va_list args) {
-  int data = va_arg(args, int);
-  const vpx_codec_enc_cfg_t *cfg = &ctx->cfg;
-  // Both one-pass and two-pass RC are supported now.
-  // User setting this has to make sure of the following.
-  // In two-pass setting: either (but not both)
-  //      cfg->ss_number_layers > 1, or cfg->ts_number_layers > 1
-  // In one-pass setting:
-  //      either or both cfg->ss_number_layers > 1, or cfg->ts_number_layers > 1
-
-  vp10_set_svc(ctx->cpi, data);
-
-  if (data == 1 &&
-      (cfg->g_pass == VPX_RC_FIRST_PASS ||
-       cfg->g_pass == VPX_RC_LAST_PASS) &&
-       cfg->ss_number_layers > 1 &&
-       cfg->ts_number_layers > 1) {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_svc_layer_id(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  vpx_svc_layer_id_t *const data = va_arg(args, vpx_svc_layer_id_t *);
-  VP10_COMP *const cpi = (VP10_COMP *)ctx->cpi;
-  SVC *const svc = &cpi->svc;
-
-  svc->spatial_layer_id = data->spatial_layer_id;
-  svc->temporal_layer_id = data->temporal_layer_id;
-  // Checks on valid layer_id input.
-  if (svc->temporal_layer_id < 0 ||
-      svc->temporal_layer_id >= (int)ctx->cfg.ts_number_layers) {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-  if (svc->spatial_layer_id < 0 ||
-      svc->spatial_layer_id >= (int)ctx->cfg.ss_number_layers) {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_get_svc_layer_id(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  vpx_svc_layer_id_t *data = va_arg(args, vpx_svc_layer_id_t *);
-  VP10_COMP *const cpi = (VP10_COMP *)ctx->cpi;
-  SVC *const svc = &cpi->svc;
-
-  data->spatial_layer_id = svc->spatial_layer_id;
-  data->temporal_layer_id = svc->temporal_layer_id;
-
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
-                                               va_list args) {
-  VP10_COMP *const cpi = ctx->cpi;
-  vpx_svc_extra_cfg_t *const params = va_arg(args, vpx_svc_extra_cfg_t *);
-  int sl, tl;
-
-  // Number of temporal layers and number of spatial layers have to be set
-  // properly before calling this control function.
-  for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
-    for (tl = 0; tl < cpi->svc.number_temporal_layers; ++tl) {
-      const int layer =
-          LAYER_IDS_TO_IDX(sl, tl, cpi->svc.number_temporal_layers);
-      LAYER_CONTEXT *lc =
-          &cpi->svc.layer_context[layer];
-      lc->max_q = params->max_quantizers[sl];
-      lc->min_q = params->min_quantizers[sl];
-      lc->scaling_factor_num = params->scaling_factor_num[sl];
-      lc->scaling_factor_den = params->scaling_factor_den[sl];
-    }
-  }
-
-  return VPX_CODEC_OK;
-}
-
 static vpx_codec_err_t ctrl_register_cx_callback(vpx_codec_alg_priv_t *ctx,
                                                  va_list args) {
   vpx_codec_priv_output_cx_pkt_cb_pair_t *cbp =
@@ -1466,10 +1251,7 @@
   {VP9E_SET_FRAME_PARALLEL_DECODING,  ctrl_set_frame_parallel_decoding_mode},
   {VP9E_SET_AQ_MODE,                  ctrl_set_aq_mode},
   {VP9E_SET_FRAME_PERIODIC_BOOST,     ctrl_set_frame_periodic_boost},
-  {VP9E_SET_SVC,                      ctrl_set_svc},
-  {VP9E_SET_SVC_PARAMETERS,           ctrl_set_svc_parameters},
   {VP9E_REGISTER_CX_CALLBACK,         ctrl_register_cx_callback},
-  {VP9E_SET_SVC_LAYER_ID,             ctrl_set_svc_layer_id},
   {VP9E_SET_TUNE_CONTENT,             ctrl_set_tune_content},
   {VP9E_SET_COLOR_SPACE,              ctrl_set_color_space},
   {VP9E_SET_NOISE_SENSITIVITY,        ctrl_set_noise_sensitivity},
@@ -1480,7 +1262,6 @@
   {VP8E_GET_LAST_QUANTIZER,           ctrl_get_quantizer},
   {VP8E_GET_LAST_QUANTIZER_64,        ctrl_get_quantizer64},
   {VP9_GET_REFERENCE,                 ctrl_get_reference},
-  {VP9E_GET_SVC_LAYER_ID,             ctrl_get_svc_layer_id},
   {VP9E_GET_ACTIVEMAP,                ctrl_get_active_map},
 
   { -1, NULL},
@@ -1536,7 +1317,10 @@
       0,                  // kf_min_dist
       9999,               // kf_max_dist
 
-      VPX_SS_DEFAULT_LAYERS,  // ss_number_layers
+      // TODO(yunqingwang): Spatial/temporal scalability are not supported
+      // in VP10. The following 10 parameters are not used, which should
+      // be removed later.
+      1,                      // ss_number_layers
       {0},
       {0},                    // ss_target_bitrate
       1,                      // ts_number_layers
--- a/vp10/vp10cx.mk
+++ b/vp10/vp10cx.mk
@@ -48,7 +48,6 @@
 VP10_CX_SRCS-yes += encoder/ratectrl.h
 VP10_CX_SRCS-yes += encoder/rd.h
 VP10_CX_SRCS-yes += encoder/rdopt.h
-VP10_CX_SRCS-yes += encoder/svc_layercontext.h
 VP10_CX_SRCS-yes += encoder/tokenize.h
 VP10_CX_SRCS-yes += encoder/treewriter.h
 VP10_CX_SRCS-yes += encoder/mcomp.c
@@ -65,7 +64,6 @@
 VP10_CX_SRCS-yes += encoder/speed_features.h
 VP10_CX_SRCS-yes += encoder/subexp.c
 VP10_CX_SRCS-yes += encoder/subexp.h
-VP10_CX_SRCS-yes += encoder/svc_layercontext.c
 VP10_CX_SRCS-yes += encoder/resize.c
 VP10_CX_SRCS-yes += encoder/resize.h
 VP10_CX_SRCS-$(CONFIG_INTERNAL_STATS) += encoder/blockiness.c