Cast: Use 2 threads for encoding on capable systems

media/cast/test/sender.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Test application that simulates a cast sender - Data can be either generated
 // or read from a file.
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 198 matching lines @@
   video_config.rtcp_c_name = "video_sender@a.b.c.d";
 
   video_config.use_external_encoder = false;
 
   VLOG(0) << "Using VP8 at 30 fps";
   video_config.min_qp = 4;
   video_config.max_qp = 40;
   video_config.max_frame_rate = 30;
   video_config.codec = transport::kVp8;
   video_config.max_number_of_video_buffers_used = 1;
-  video_config.number_of_cores = 1;
   return video_config;
 }
 
 class SendProcess {
  public:
   SendProcess(scoped_refptr<base::SingleThreadTaskRunner> thread_proxy,
               base::TickClock* clock,
               const VideoSenderConfig& video_config,
               scoped_refptr<AudioFrameInput> audio_frame_input,
               scoped_refptr<VideoFrameInput> video_frame_input)
@@ skipping 334 matching lines @@
 
   test_thread.message_loop_proxy()->PostTask(
       FROM_HERE,
       base::Bind(&media::cast::SendProcess::SendFrame,
                  base::Unretained(send_process.get())));
 
   io_message_loop.Run();
 
   return 0;
 }