Cast:Adding cast_transport_config and cleaning up

media/cast/cast_config.h

 // 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.
 
 #ifndef MEDIA_CAST_CAST_CONFIG_H_
 #define MEDIA_CAST_CAST_CONFIG_H_
 
 #include <list>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "media/cast/cast_defines.h"
+#include "media/cast/transport/cast_transport_config.h"
 
 namespace media {
 namespace cast {
 
 enum RtcpMode {
   kRtcpCompound,  // Compound RTCP mode is described by RFC 4585.
   kRtcpReducedSize,  // Reduced-size RTCP mode is described by RFC 5506.
 };
 
-enum VideoCodec {
-  kVp8,
-  kH264,
-  kExternalVideo,
-};
-
-enum AudioCodec {
-  kOpus,
-  kPcm16,
-  kExternalAudio,
-};
-
 struct AudioSenderConfig {
   AudioSenderConfig();
 
   uint32 sender_ssrc;
   uint32 incoming_feedback_ssrc;
 
   int rtcp_interval;
   std::string rtcp_c_name;
   RtcpMode rtcp_mode;
 
   int rtp_history_ms;  // The time RTP packets are stored for retransmissions.
   int rtp_max_delay_ms;
   int rtp_payload_type;
 
   bool use_external_encoder;
   int frequency;
   int channels;
   int bitrate;  // Set to <= 0 for "auto variable bitrate" (libopus knows best).
-  AudioCodec codec;
+  transport::AudioCodec codec;
 
   std::string aes_key;  // Binary string of size kAesKeySize.
   std::string aes_iv_mask;  // Binary string of size kAesKeySize.
 };
 
 struct VideoSenderConfig {
   VideoSenderConfig();
 
   uint32 sender_ssrc;
   uint32 incoming_feedback_ssrc;
@@ skipping 11 matching lines @@
   int height;
 
   float congestion_control_back_off;
   int max_bitrate;
   int min_bitrate;
   int start_bitrate;
   int max_qp;
   int min_qp;
   int max_frame_rate;
   int max_number_of_video_buffers_used;  // Max value depend on codec.
-  VideoCodec codec;
+  transport::VideoCodec codec;
   int number_of_cores;
 
   std::string aes_key;  // Binary string of size kAesKeySize.
   std::string aes_iv_mask;  // Binary string of size kAesKeySize.
 };
 
 struct AudioReceiverConfig {
   AudioReceiverConfig();
 
   uint32 feedback_ssrc;
   uint32 incoming_ssrc;
 
   int rtcp_interval;
   std::string rtcp_c_name;
   RtcpMode rtcp_mode;
 
   // The time the receiver is prepared to wait for retransmissions.
   int rtp_max_delay_ms;
   int rtp_payload_type;
 
   bool use_external_decoder;
   int frequency;
   int channels;
-  AudioCodec codec;
+  transport::AudioCodec codec;
 
   std::string aes_key;  // Binary string of size kAesKeySize.
   std::string aes_iv_mask;  // Binary string of size kAesKeySize.
 };
 
 struct VideoReceiverConfig {
   VideoReceiverConfig();
 
   uint32 feedback_ssrc;
   uint32 incoming_ssrc;
 
   int rtcp_interval;
   std::string rtcp_c_name;
   RtcpMode rtcp_mode;
 
   // The time the receiver is prepared to wait for retransmissions.
   int rtp_max_delay_ms;
   int rtp_payload_type;
 
   bool use_external_decoder;
   int max_frame_rate;
 
   // Some HW decoders can not run faster than the frame rate, preventing it
   // from catching up after a glitch.
   bool decoder_faster_than_max_frame_rate;
-  VideoCodec codec;
+  transport::VideoCodec codec;
 
   std::string aes_key;  // Binary string of size kAesKeySize.
   std::string aes_iv_mask;  // Binary string of size kAesKeySize.
 };
 
-struct EncodedVideoFrame {
-  EncodedVideoFrame();
-  ~EncodedVideoFrame();
-
-  VideoCodec codec;
-  bool key_frame;
-  uint32 frame_id;
-  uint32 last_referenced_frame_id;
-  std::string data;
-};
-
 // DEPRECATED: Do not use in new code.  Please migrate existing code to use
 // media::AudioBus.
 struct PcmAudioFrame {
   PcmAudioFrame();
   ~PcmAudioFrame();
 
   int channels;  // Samples in interleaved stereo format. L0, R0, L1 ,R1 ,...
   int frequency;
   std::vector<int16> samples;
 };
 
-struct EncodedAudioFrame {
-  EncodedAudioFrame();
-  ~EncodedAudioFrame();
-
-  AudioCodec codec;
-  uint32 frame_id;  // Needed to release the frame.
-  int samples;  // Needed send side to advance the RTP timestamp.
-                // Not used receive side.
-  // Support for max sampling rate of 48KHz, 2 channels, 100 ms duration.
-  static const int kMaxNumberOfSamples = 48 * 2 * 100;
-  std::string data;
-};
-
 typedef std::vector<uint8> Packet;
 typedef std::vector<Packet> PacketList;
 
 class PacketSender {
  public:
   // All packets to be sent to the network will be delivered via these
   // functions.
   virtual bool SendPackets(const PacketList& packets) = 0;
 
   virtual bool SendPacket(const Packet& packet) = 0;
 
   virtual ~PacketSender() {}
 };
 
-class PacketReceiver : public base::RefCountedThreadSafe<PacketReceiver> {
- public:
-  // All packets received from the network should be delivered via this
-  // function.
-  virtual void ReceivedPacket(const uint8* packet, size_t length,
-                              const base::Closure callback) = 0;
-
-  static void DeletePacket(const uint8* packet);
-
- protected:
-  virtual ~PacketReceiver() {}
-
- private:
-  friend class base::RefCountedThreadSafe<PacketReceiver>;
-};
-
 class VideoEncoderController {
  public:
   // Inform the encoder about the new target bit rate.
   virtual void SetBitRate(int new_bit_rate) = 0;
 
   // Inform the encoder to not encode the next frame.
   // Note: this setting is sticky and should last until called with false.
   virtual void SkipNextFrame(bool skip_next_frame) = 0;
 
   // Inform the encoder to encode the next frame as a key frame.
   virtual void GenerateKeyFrame() = 0;
 
   // Inform the encoder to only reference frames older or equal to frame_id;
   virtual void LatestFrameIdToReference(uint32 frame_id) = 0;
 
   // Query the codec about how many frames it has skipped due to slow ACK.
   virtual int NumberOfSkippedFrames() const = 0;
 
  protected:
   virtual ~VideoEncoderController() {}
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_CAST_CONFIG_H_