src/third_party/libjingle/source/talk/session/media/mediarecorder.h

   1 /*
   2  * libjingle
   3  * Copyright 2010 Google Inc.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *
   8  *  1. Redistributions of source code must retain the above copyright notice,
   9  *     this list of conditions and the following disclaimer.
  10  *  2. Redistributions in binary form must reproduce the above copyright notice,
  11  *     this list of conditions and the following disclaimer in the documentation
  12  *     and/or other materials provided with the distribution.
  13  *  3. The name of the author may not be used to endorse or promote products
  14  *     derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef TALK_SESSION_MEDIA_MEDIARECORDER_H_
  29 #define TALK_SESSION_MEDIA_MEDIARECORDER_H_
  30
  31 #include <map>
  32 #include <string>
  33
  34 #include "talk/session/media/channel.h"
  35 #include "talk/session/media/mediasink.h"
  36 #include "webrtc/base/criticalsection.h"
  37 #include "webrtc/base/scoped_ptr.h"
  38 #include "webrtc/base/sigslot.h"
  39
  40 namespace rtc {
  41 class Pathname;
  42 class FileStream;
  43 }
  44
  45 namespace cricket {
  46
  47 class BaseChannel;
  48 class VideoChannel;
  49 class VoiceChannel;
  50 class RtpDumpWriter;
  51
  52 // RtpDumpSink implements MediaSinkInterface by dumping the RTP/RTCP packets to
  53 // a file.
  54 class RtpDumpSink : public MediaSinkInterface, public sigslot::has_slots<> {
  55  public:
  56   // Takes ownership of stream.
  57   explicit RtpDumpSink(rtc::StreamInterface* stream);
  58   virtual ~RtpDumpSink();
  59
  60   virtual void SetMaxSize(size_t size);
  61   virtual bool Enable(bool enable);
  62   virtual bool IsEnabled() const { return recording_; }
  63   virtual void OnPacket(const void* data, size_t size, bool rtcp);
  64   virtual void set_packet_filter(int filter);
  65   int packet_filter() const { return packet_filter_; }
  66   void Flush();
  67
  68  private:
  69   size_t max_size_;
  70   bool recording_;
  71   int packet_filter_;
  72   rtc::scoped_ptr<rtc::StreamInterface> stream_;
  73   rtc::scoped_ptr<RtpDumpWriter> writer_;
  74   rtc::CriticalSection critical_section_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(RtpDumpSink);
  77 };
  78
  79 class MediaRecorder {
  80  public:
  81   MediaRecorder();
  82   virtual ~MediaRecorder();
  83
  84   bool AddChannel(VoiceChannel* channel,
  85                   rtc::StreamInterface* send_stream,
  86                   rtc::StreamInterface* recv_stream,
  87                   int filter);
  88   bool AddChannel(VideoChannel* channel,
  89                   rtc::StreamInterface* send_stream,
  90                   rtc::StreamInterface* recv_stream,
  91                   int filter);
  92   void RemoveChannel(BaseChannel* channel, SinkType type);
  93   bool EnableChannel(BaseChannel* channel, bool enable_send, bool enable_recv,
  94                      SinkType type);
  95   void FlushSinks();
  96
  97  private:
  98   struct SinkPair {
  99     bool video_channel;
 100     int filter;
 101     rtc::scoped_ptr<RtpDumpSink> send_sink;
 102     rtc::scoped_ptr<RtpDumpSink> recv_sink;
 103   };
 104
 105   bool InternalAddChannel(BaseChannel* channel,
 106                           bool video_channel,
 107                           rtc::StreamInterface* send_stream,
 108                           rtc::StreamInterface* recv_stream,
 109                           int filter);
 110
 111   std::map<BaseChannel*, SinkPair*> sinks_;
 112   rtc::CriticalSection critical_section_;
 113
 114   DISALLOW_COPY_AND_ASSIGN(MediaRecorder);
 115 };
 116
 117 }  // namespace cricket
 118
 119 #endif  // TALK_SESSION_MEDIA_MEDIARECORDER_H_