media/cast/logging/log_deserializer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_
   6 #define MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/memory/linked_ptr.h"
  12 #include "media/cast/logging/logging_defines.h"
  13 #include "media/cast/logging/proto/raw_events.pb.h"
  14
  15 namespace media {
  16 namespace cast {
  17
  18 typedef std::map<RtpTimestamp,
  19                  linked_ptr<media::cast::proto::AggregatedFrameEvent> >
  20     FrameEventMap;
  21 typedef std::map<RtpTimestamp,
  22                  linked_ptr<media::cast::proto::AggregatedPacketEvent> >
  23     PacketEventMap;
  24
  25 // Represents deserialized raw event logs for a particular stream.
  26 struct DeserializedLog {
  27   DeserializedLog();
  28   ~DeserializedLog();
  29   proto::LogMetadata metadata;
  30   FrameEventMap frame_events;
  31   PacketEventMap packet_events;
  32 };
  33
  34 // This function takes the output of LogSerializer and deserializes it into
  35 // its original format. Returns true if deserialization is successful. All
  36 // output arguments are valid if this function returns true.
  37 // |data|: Serialized event logs with length |data_bytes|.
  38 // |compressed|: true if |data| is compressed in gzip format.
  39 // |log_metadata|: This will be populated with deserialized LogMetadata proto.
  40 // |audio_log|, |video_log|: These will be populated with deserialized
  41 // log data for audio and video streams, respectively.
  42 bool DeserializeEvents(const char* data,
  43                        int data_bytes,
  44                        bool compressed,
  45                        DeserializedLog* audio_log,
  46                        DeserializedLog* video_log);
  47
  48 }  // namespace cast
  49 }  // namespace media
  50
  51 #endif  // MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_