Cast: First stab at implementing adaptive latency

chrome/renderer/extensions/cast_streaming_native_handler.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.
 
 #include "chrome/renderer/extensions/cast_streaming_native_handler.h"
 
 #include <functional>
 #include <iterator>
 
 #include "base/logging.h"
@@ skipping 53 matching lines @@
   output->assign(reinterpret_cast<const char*>(&bytes[0]), bytes.size());
   return true;
 }
 }  // namespace
 
 bool ToCastRtpPayloadParamsOrThrow(v8::Isolate* isolate,
                                    const RtpPayloadParams& ext_params,
                                    CastRtpPayloadParams* cast_params) {
   cast_params->payload_type = ext_params.payload_type;
   cast_params->max_latency_ms = ext_params.max_latency;
+  cast_params->min_latency_ms =
+      ext_params.min_latency ? *ext_params.min_latency : ext_params.max_latency;
   cast_params->codec_name = ext_params.codec_name;
   cast_params->ssrc = ext_params.ssrc;
   cast_params->feedback_ssrc = ext_params.feedback_ssrc;
   cast_params->clock_rate = ext_params.clock_rate ? *ext_params.clock_rate : 0;
   cast_params->min_bitrate =
       ext_params.min_bitrate ? *ext_params.min_bitrate : 0;
   cast_params->max_bitrate =
       ext_params.max_bitrate ? *ext_params.max_bitrate : 0;
   cast_params->channels = ext_params.channels ? *ext_params.channels : 0;
   cast_params->max_frame_rate =
@@ skipping 496 matching lines @@
       transport_id);
   if (iter != udp_transport_map_.end())
     return iter->second.get();
   v8::Isolate* isolate = context()->v8_context()->GetIsolate();
   isolate->ThrowException(v8::Exception::RangeError(
       v8::String::NewFromUtf8(isolate, kUdpTransportNotFound)));
   return NULL;
 }
 
 }  // namespace extensions