vp9: Turn off FRAME_PARALLEL_DECODING.

webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc

 /*
  *  Copyright (c) 2014 The WebRTC 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.
  *
  */
@@ skipping 409 matching lines @@
 
   if (vpx_codec_enc_init(encoder_, vpx_codec_vp9_cx(), config_, 0)) {
     return WEBRTC_VIDEO_CODEC_UNINITIALIZED;
   }
   vpx_codec_control(encoder_, VP8E_SET_CPUUSED, cpu_speed_);
   vpx_codec_control(encoder_, VP8E_SET_MAX_INTRA_BITRATE_PCT,
                     rc_max_intra_target_);
   vpx_codec_control(encoder_, VP9E_SET_AQ_MODE,
                     inst->VP9().adaptiveQpMode ? 3 : 0);
 
+  vpx_codec_control(encoder_, VP9E_SET_FRAME_PARALLEL_DECODING, 0);
   vpx_codec_control(
       encoder_, VP9E_SET_SVC,
       (num_temporal_layers_ > 1 || num_spatial_layers_ > 1) ? 1 : 0);
   if (num_temporal_layers_ > 1 || num_spatial_layers_ > 1) {
     vpx_codec_control(encoder_, VP9E_SET_SVC_PARAMETERS,
                       &svc_params_);
   }
   // Register callback for getting each spatial layer.
   vpx_codec_priv_output_cx_pkt_cb_pair_t cbp = {
       VP9EncoderImpl::EncoderOutputCodedPacketCallback,
@@ skipping 568 matching lines @@
   frame_buffer_pool_.ClearPool();
   inited_ = false;
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 const char* VP9DecoderImpl::ImplementationName() const {
   return "libvpx";
 }
 
 }  // namespace webrtc