Cast:Transport: Dividing A/V Initialization pipeline

media/cast/transport/cast_transport_config.cc

 // Copyright 2014 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 "media/cast/transport/cast_transport_config.h"
 
 namespace media {
 namespace cast {
 namespace transport {
 
 namespace {
 const int kDefaultRtpHistoryMs = 1000;
 const int kDefaultRtpMaxDelayMs = 100;
 }  // namespace
 
 RtpConfig::RtpConfig()
     : history_ms(kDefaultRtpHistoryMs),
       max_delay_ms(kDefaultRtpMaxDelayMs),
       payload_type(0) {}
 
-CastTransportConfig::CastTransportConfig()
-    : audio_ssrc(0),
-      video_ssrc(0),
-      video_codec(kVp8),
-      audio_codec(kOpus),
-      audio_frequency(0),
-      audio_channels(0),
-      aes_key(""),
-      aes_iv_mask("") {}
+CastTransportBaseConfig::CastTransportBaseConfig()
+    : ssrc(0) {}
 
-CastTransportConfig::~CastTransportConfig() {}
+CastTransportBaseConfig::~CastTransportBaseConfig() {}
+
+CastTransportAudioConfig::CastTransportAudioConfig()
+    : codec(kOpus), frequency(0), channels(0) {}
+
+CastTransportAudioConfig::~CastTransportAudioConfig() {}
+
+CastTransportVideoConfig::CastTransportVideoConfig() : codec(kVp8) {}
+
+CastTransportVideoConfig::~CastTransportVideoConfig() {}
 
 EncodedVideoFrame::EncodedVideoFrame()
     : codec(kVp8),
       key_frame(false),
       frame_id(0),
       last_referenced_frame_id(0),
       rtp_timestamp(0) {}
 EncodedVideoFrame::~EncodedVideoFrame() {}
 
 EncodedAudioFrame::EncodedAudioFrame()
@@ skipping 21 matching lines @@
       jitter(0),
       last_sr(0),
       delay_since_last_sr(0) {}
 RtcpReportBlock::~RtcpReportBlock() {}
 
 RtcpDlrrReportBlock::RtcpDlrrReportBlock()
     : last_rr(0), delay_since_last_rr(0) {}
 RtcpDlrrReportBlock::~RtcpDlrrReportBlock() {}
 
 SendRtcpFromRtpSenderData::SendRtcpFromRtpSenderData()
-    : packet_type_flags(0),
-      sending_ssrc(0) {}
+    : packet_type_flags(0), sending_ssrc(0) {}
 SendRtcpFromRtpSenderData::~SendRtcpFromRtpSenderData() {}
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media