Cast: merge InsertCoded{Audio,Video}Frame into InsertFrame

media/cast/net/cast_transport_sender_impl.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/net/cast_transport_sender_impl.h"
 
 #include "base/single_thread_task_runner.h"
 #include "media/cast/net/cast_transport_config.h"
 #include "media/cast/net/cast_transport_defines.h"
 #include "media/cast/net/udp_transport.h"
@@ skipping 160 matching lines @@
     } else {
       LOG(ERROR) << "Encryption failed.  Not sending frame with ID "
                  << frame.frame_id;
     }
   } else {
     sender->SendFrame(frame);
   }
 }
 }  // namespace
 
-void CastTransportSenderImpl::InsertCodedAudioFrame(
-    const EncodedFrame& audio_frame) {
-  DCHECK(audio_sender_) << "Audio sender uninitialized";
-  EncryptAndSendFrame(audio_frame, &audio_encryptor_, audio_sender_.get());
-}
-
-void CastTransportSenderImpl::InsertCodedVideoFrame(
-    const EncodedFrame& video_frame) {
-  DCHECK(video_sender_) << "Video sender uninitialized";
-  EncryptAndSendFrame(video_frame, &video_encryptor_, video_sender_.get());
+void CastTransportSenderImpl::InsertFrame(uint32 ssrc,
+                                          const EncodedFrame& frame) {
+  if (audio_sender_ && ssrc == audio_sender_->ssrc()) {
+    EncryptAndSendFrame(frame, &audio_encryptor_, audio_sender_.get());
+  } else if (video_sender_ && ssrc == video_sender_->ssrc()) {
+    EncryptAndSendFrame(frame, &video_encryptor_, video_sender_.get());
+  } else {
+    NOTREACHED() << "Invalid InsertFrame call.";
+  }
 }
 
 void CastTransportSenderImpl::SendSenderReport(
     uint32 ssrc,
     base::TimeTicks current_time,
     uint32 current_time_as_rtp_timestamp) {
   if (audio_sender_ && ssrc == audio_sender_->ssrc()) {
     audio_rtcp_session_->SendRtcpFromRtpSender(
         current_time, current_time_as_rtp_timestamp,
         audio_sender_->send_packet_count(), audio_sender_->send_octet_count());
@@ skipping 155 matching lines @@
   // 2. Specifies a deduplication window. For video this would be the most
   //    recent RTT. For audio there is no deduplication.
   ResendPackets(ssrc,
                 cast_message.missing_frames_and_packets,
                 true,
                 dedup_info);
 }
 
 }  // namespace cast
 }  // namespace media