Refactoring: Use enum for RtpPayloadType.

media/cast/cast_config.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 "media/cast/cast_config.h"
 
 namespace {
 
 const float kDefaultCongestionControlBackOff = 0.875f;
 
@@ skipping 26 matching lines @@
 
 // TODO(miu): Throughout the code, there is a lot of copy-and-paste of the same
 // calculations based on these config values.  So, why don't we add methods to
 // these classes to centralize the logic?
 
 VideoSenderConfig::VideoSenderConfig()
     : ssrc(0),
       receiver_ssrc(0),
       max_playout_delay(
           base::TimeDelta::FromMilliseconds(kDefaultRtpMaxDelayMs)),
-      rtp_payload_type(0),
+      rtp_payload_type(RtpPayloadType::UNKNOWN),
       use_external_encoder(false),
       congestion_control_back_off(kDefaultCongestionControlBackOff),
       max_bitrate(kDefaultMaxVideoKbps * 1000),
       min_bitrate(kDefaultMinVideoKbps * 1000),
       start_bitrate(kDefaultMaxVideoKbps * 1000),
       max_qp(kDefaultMaxQp),
       min_qp(kDefaultMinQp),
       max_cpu_saver_qp(kDefaultMaxCpuSaverQp),
       max_frame_rate(kDefaultMaxFrameRate),
       max_number_of_video_buffers_used(kDefaultNumberOfVideoBuffers),
       codec(CODEC_VIDEO_VP8),
       number_of_encode_threads(1) {}
 
 VideoSenderConfig::VideoSenderConfig(const VideoSenderConfig& other) = default;
 
 VideoSenderConfig::~VideoSenderConfig() {}
 
 AudioSenderConfig::AudioSenderConfig()
     : ssrc(0),
       receiver_ssrc(0),
       max_playout_delay(
           base::TimeDelta::FromMilliseconds(kDefaultRtpMaxDelayMs)),
-      rtp_payload_type(0),
+      rtp_payload_type(RtpPayloadType::UNKNOWN),
       use_external_encoder(false),
       frequency(0),
       channels(0),
       bitrate(kDefaultAudioEncoderBitrate),
       codec(CODEC_AUDIO_OPUS) {}
 
 AudioSenderConfig::AudioSenderConfig(const AudioSenderConfig& other) = default;
 
 AudioSenderConfig::~AudioSenderConfig() {}
 
 FrameReceiverConfig::FrameReceiverConfig()
     : receiver_ssrc(0),
       sender_ssrc(0),
       rtp_max_delay_ms(kDefaultRtpMaxDelayMs),
-      rtp_payload_type(0),
+      rtp_payload_type(RtpPayloadType::UNKNOWN),
       rtp_timebase(0),
       channels(0),
       target_frame_rate(0),
       codec(CODEC_UNKNOWN) {}
 
 FrameReceiverConfig::FrameReceiverConfig(const FrameReceiverConfig& other) =
     default;
 
 FrameReceiverConfig::~FrameReceiverConfig() {}
 
 }  // namespace cast
 }  // namespace media