Cast: IPC glue between cast library transport and encoders.

media/cast/transport/cast_transport_config.h

 // 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.
 
 #ifndef MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_CONFIG_H_
 #define MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_CONFIG_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
+#include "media/base/media_export.h"
 #include "media/cast/transport/cast_transport_defines.h"
 #include "net/base/ip_endpoint.h"
 
 namespace media {
 namespace cast {
 namespace transport {
 
 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,
 };
 
 enum AudioCodec {
   kOpus,
   kPcm16,
   kExternalAudio,
 };
 
-struct RtpConfig {
+struct MEDIA_EXPORT RtpConfig {
   RtpConfig();
   int history_ms;  // The time RTP packets are stored for retransmissions.
   int max_delay_ms;
   int payload_type;
 };
 
-struct CastTransportConfig {
+struct MEDIA_EXPORT CastTransportConfig {
   CastTransportConfig();
   ~CastTransportConfig();
 
   // Transport: Local receiver.
   net::IPEndPoint receiver_endpoint;
   net::IPEndPoint local_endpoint;
 
   uint32 audio_ssrc;
   uint32 video_ssrc;
 
   VideoCodec video_codec;
   AudioCodec audio_codec;
 
   // RTP.
   RtpConfig audio_rtp_config;
   RtpConfig video_rtp_config;
 
   int audio_frequency;
   int audio_channels;
 
   std::string aes_key;  // Binary string of size kAesKeySize.
   std::string aes_iv_mask;  // Binary string of size kAesBlockSize.
 };
 
-struct EncodedVideoFrame {
+struct MEDIA_EXPORT EncodedVideoFrame {
   EncodedVideoFrame();
   ~EncodedVideoFrame();
 
   VideoCodec codec;
   bool key_frame;
   uint32 frame_id;
   uint32 last_referenced_frame_id;
   std::string data;
 };
 
-struct EncodedAudioFrame {
+struct MEDIA_EXPORT 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;
@@ skipping 16 matching lines @@
 
 // Log messages form sender to receiver.
 // TODO(mikhal): Refactor to Chromium style (MACRO_STYLE).
 enum RtcpSenderFrameStatus {
   kRtcpSenderFrameStatusUnknown = 0,
   kRtcpSenderFrameStatusDroppedByEncoder = 1,
   kRtcpSenderFrameStatusDroppedByFlowControl = 2,
   kRtcpSenderFrameStatusSentToNetwork = 3,
 };
 
-struct RtcpSenderFrameLogMessage {
+struct MEDIA_EXPORT RtcpSenderFrameLogMessage {
   RtcpSenderFrameLogMessage();
   ~RtcpSenderFrameLogMessage();
   RtcpSenderFrameStatus frame_status;
   uint32 rtp_timestamp;
 };
 
-typedef std::list<RtcpSenderFrameLogMessage> RtcpSenderLogMessage;
+typedef std::vector<RtcpSenderFrameLogMessage> RtcpSenderLogMessage;
 
-struct RtcpSenderInfo {
+struct MEDIA_EXPORT RtcpSenderInfo {
   RtcpSenderInfo();
   ~RtcpSenderInfo();
   // First three members are used for lipsync.
   // First two members are used for rtt.
   uint32 ntp_seconds;
   uint32 ntp_fraction;
   uint32 rtp_timestamp;
   uint32 send_packet_count;
   size_t send_octet_count;
 };
 
 struct RtcpReportBlock {
   RtcpReportBlock();
   ~RtcpReportBlock();
   uint32 remote_ssrc;  // SSRC of sender of this report.
   uint32 media_ssrc;  // SSRC of the RTP packet sender.
   uint8 fraction_lost;
   uint32 cumulative_lost;  // 24 bits valid.
   uint32 extended_high_sequence_number;
   uint32 jitter;
   uint32 last_sr;
   uint32 delay_since_last_sr;
 };
 
-struct RtcpDlrrReportBlock {
+struct MEDIA_EXPORT RtcpDlrrReportBlock {
   RtcpDlrrReportBlock();
   ~RtcpDlrrReportBlock();
   uint32 last_rr;
   uint32 delay_since_last_rr;
 };
 
+// This is only needed because IPC messages don't support more than
+// 5 arguments.
+struct MEDIA_EXPORT SendRtcpFromRtpSenderData {
+  SendRtcpFromRtpSenderData();
+  ~SendRtcpFromRtpSenderData();
+  uint32 packet_type_flags;
+  uint32 sending_ssrc;
+  std::string c_name;
+};
+
 inline bool operator==(RtcpSenderInfo lhs, RtcpSenderInfo rhs) {
   return lhs.ntp_seconds == rhs.ntp_seconds &&
       lhs.ntp_fraction == rhs.ntp_fraction &&
       lhs.rtp_timestamp == rhs.rtp_timestamp &&
       lhs.send_packet_count == rhs.send_packet_count &&
       lhs.send_octet_count == rhs.send_octet_count;
 }
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media
 
 #endif // MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_CONFIG_H_