// libjingle // Copyright 2004 Google Inc. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // 3. The name of the author may not be used to endorse or promote products // derived from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef TALK_MEDIA_BASE_FILEMEDIAENGINE_H_ #define TALK_MEDIA_BASE_FILEMEDIAENGINE_H_ #include <string> #include <vector> #include "webrtc/base/scoped_ptr.h" #include "webrtc/base/stream.h" #include "talk/media/base/codec.h" #include "talk/media/base/mediachannel.h" #include "talk/media/base/mediaengine.h" namespace rtc { class StreamInterface; } namespace cricket { // A media engine contains a capturer, an encoder, and a sender in the sender // side and a receiver, a decoder, and a renderer in the receiver side. // FileMediaEngine simulates the capturer and the encoder via an input RTP dump // stream and simulates the decoder and the renderer via an output RTP dump // stream. Depending on the parameters of the constructor, FileMediaEngine can // act as file voice engine, file video engine, or both. Currently, we use // only the RTP dump packets. TODO(whyuan): Enable RTCP packets. class FileMediaEngine : public MediaEngineInterface { public: FileMediaEngine() : rtp_sender_thread_(NULL) {} virtual ~FileMediaEngine() {} // Set the file name of the input or output RTP dump for voice or video. // Should be called before the channel is created. void set_voice_input_filename(const std::string& filename) { voice_input_filename_ = filename; } void set_voice_output_filename(const std::string& filename) { voice_output_filename_ = filename; } void set_video_input_filename(const std::string& filename) { video_input_filename_ = filename; } void set_video_output_filename(const std::string& filename) { video_output_filename_ = filename; } // Should be called before codecs() and video_codecs() are called. We need to // set the voice and video codecs; otherwise, Jingle initiation will fail. void set_voice_codecs(const std::vector<AudioCodec>& codecs) { voice_codecs_ = codecs; } void set_video_codecs(const std::vector<VideoCodec>& codecs) { video_codecs_ = codecs; } // Implement pure virtual methods of MediaEngine. virtual bool Init(rtc::Thread* worker_thread) { return true; } virtual void Terminate() {} virtual int GetCapabilities(); virtual VoiceMediaChannel* CreateChannel(); virtual VideoMediaChannel* CreateVideoChannel(VoiceMediaChannel* voice_ch); virtual SoundclipMedia* CreateSoundclip() { return NULL; } virtual AudioOptions GetAudioOptions() const { return AudioOptions(); } virtual bool SetAudioOptions(const AudioOptions& options) { return true; } virtual bool SetVideoOptions(const VideoOptions& options) { return true; } virtual bool SetAudioDelayOffset(int offset) { return true; } virtual bool SetDefaultVideoEncoderConfig(const VideoEncoderConfig& config) { return true; } virtual VideoEncoderConfig GetDefaultVideoEncoderConfig() const { return VideoEncoderConfig(); } virtual bool SetSoundDevices(const Device* in_dev, const Device* out_dev) { return true; } virtual bool SetVideoCaptureDevice(const Device* cam_device) { return true; } virtual bool SetVideoCapturer(VideoCapturer* /*capturer*/) { return true; } virtual VideoCapturer* GetVideoCapturer() const { return NULL; } virtual bool GetOutputVolume(int* level) { *level = 0; return true; } virtual bool SetOutputVolume(int level) { return true; } virtual int GetInputLevel() { return 0; } virtual bool SetLocalMonitor(bool enable) { return true; } virtual bool SetLocalRenderer(VideoRenderer* renderer) { return true; } // TODO(whyuan): control channel send? virtual bool SetVideoCapture(bool capture) { return true; } virtual const std::vector<AudioCodec>& audio_codecs() { return voice_codecs_; } virtual const std::vector<VideoCodec>& video_codecs() { return video_codecs_; } virtual const std::vector<RtpHeaderExtension>& audio_rtp_header_extensions() { return audio_rtp_header_extensions_; } virtual const std::vector<RtpHeaderExtension>& video_rtp_header_extensions() { return video_rtp_header_extensions_; } virtual bool FindAudioCodec(const AudioCodec& codec) { return true; } virtual bool FindVideoCodec(const VideoCodec& codec) { return true; } virtual void SetVoiceLogging(int min_sev, const char* filter) {} virtual void SetVideoLogging(int min_sev, const char* filter) {} virtual bool StartAecDump(rtc::PlatformFile) { return false; } virtual bool RegisterVideoProcessor(VideoProcessor* processor) { return true; } virtual bool UnregisterVideoProcessor(VideoProcessor* processor) { return true; } virtual bool RegisterVoiceProcessor(uint32 ssrc, VoiceProcessor* processor, MediaProcessorDirection direction) { return true; } virtual bool UnregisterVoiceProcessor(uint32 ssrc, VoiceProcessor* processor, MediaProcessorDirection direction) { return true; } VideoFormat GetStartCaptureFormat() const { return VideoFormat(); } virtual sigslot::repeater2<VideoCapturer*, CaptureState>& SignalVideoCaptureStateChange() { return signal_state_change_; } void set_rtp_sender_thread(rtc::Thread* thread) { rtp_sender_thread_ = thread; } private: std::string voice_input_filename_; std::string voice_output_filename_; std::string video_input_filename_; std::string video_output_filename_; std::vector<AudioCodec> voice_codecs_; std::vector<VideoCodec> video_codecs_; std::vector<RtpHeaderExtension> audio_rtp_header_extensions_; std::vector<RtpHeaderExtension> video_rtp_header_extensions_; sigslot::repeater2<VideoCapturer*, CaptureState> signal_state_change_; rtc::Thread* rtp_sender_thread_; DISALLOW_COPY_AND_ASSIGN(FileMediaEngine); }; class RtpSenderReceiver; // Forward declaration. Defined in the .cc file. class FileVoiceChannel : public VoiceMediaChannel { public: FileVoiceChannel(rtc::StreamInterface* input_file_stream, rtc::StreamInterface* output_file_stream, rtc::Thread* rtp_sender_thread); virtual ~FileVoiceChannel(); // Implement pure virtual methods of VoiceMediaChannel. virtual bool SetRecvCodecs(const std::vector<AudioCodec>& codecs) { return true; } virtual bool SetSendCodecs(const std::vector<AudioCodec>& codecs); virtual bool SetRecvRtpHeaderExtensions( const std::vector<RtpHeaderExtension>& extensions) { return true; } virtual bool SetSendRtpHeaderExtensions( const std::vector<RtpHeaderExtension>& extensions) { return true; } virtual bool SetPlayout(bool playout) { return true; } virtual bool SetSend(SendFlags flag); virtual bool SetRemoteRenderer(uint32 ssrc, AudioRenderer* renderer) { return false; } virtual bool SetLocalRenderer(uint32 ssrc, AudioRenderer* renderer) { return false; } virtual bool GetActiveStreams(AudioInfo::StreamList* actives) { return true; } virtual int GetOutputLevel() { return 0; } virtual int GetTimeSinceLastTyping() { return -1; } virtual void SetTypingDetectionParameters(int time_window, int cost_per_typing, int reporting_threshold, int penalty_decay, int type_event_delay) {} virtual bool SetOutputScaling(uint32 ssrc, double left, double right) { return false; } virtual bool GetOutputScaling(uint32 ssrc, double* left, double* right) { return false; } virtual bool SetRingbackTone(const char* buf, int len) { return true; } virtual bool PlayRingbackTone(uint32 ssrc, bool play, bool loop) { return true; } virtual bool InsertDtmf(uint32 ssrc, int event, int duration, int flags) { return false; } virtual bool GetStats(VoiceMediaInfo* info) { return true; } // Implement pure virtual methods of MediaChannel. virtual void OnPacketReceived(rtc::Buffer* packet, const rtc::PacketTime& packet_time); virtual void OnRtcpReceived(rtc::Buffer* packet, const rtc::PacketTime& packet_time) {} virtual void OnReadyToSend(bool ready) {} virtual bool AddSendStream(const StreamParams& sp); virtual bool RemoveSendStream(uint32 ssrc); virtual bool AddRecvStream(const StreamParams& sp) { return true; } virtual bool RemoveRecvStream(uint32 ssrc) { return true; } virtual bool MuteStream(uint32 ssrc, bool on) { return false; } virtual bool SetStartSendBandwidth(int bps) { return true; } virtual bool SetMaxSendBandwidth(int bps) { return true; } virtual bool SetOptions(const AudioOptions& options) { options_ = options; return true; } virtual bool GetOptions(AudioOptions* options) const { *options = options_; return true; } private: uint32 send_ssrc_; rtc::scoped_ptr<RtpSenderReceiver> rtp_sender_receiver_; AudioOptions options_; DISALLOW_COPY_AND_ASSIGN(FileVoiceChannel); }; class FileVideoChannel : public VideoMediaChannel { public: FileVideoChannel(rtc::StreamInterface* input_file_stream, rtc::StreamInterface* output_file_stream, rtc::Thread* rtp_sender_thread); virtual ~FileVideoChannel(); // Implement pure virtual methods of VideoMediaChannel. virtual bool SetRecvCodecs(const std::vector<VideoCodec>& codecs) { return true; } virtual bool SetSendCodecs(const std::vector<VideoCodec>& codecs); virtual bool GetSendCodec(VideoCodec* send_codec) { *send_codec = VideoCodec(); return true; } virtual bool SetSendStreamFormat(uint32 ssrc, const VideoFormat& format) { return true; } virtual bool SetRecvRtpHeaderExtensions( const std::vector<RtpHeaderExtension>& extensions) { return true; } virtual bool SetSendRtpHeaderExtensions( const std::vector<RtpHeaderExtension>& extensions) { return true; } virtual bool SetRender(bool render) { return true; } virtual bool SetSend(bool send); virtual bool SetRenderer(uint32 ssrc, VideoRenderer* renderer) { return true; } virtual bool SetCapturer(uint32 ssrc, VideoCapturer* capturer) { return false; } virtual bool GetStats(const StatsOptions& options, VideoMediaInfo* info) { return true; } virtual bool SendIntraFrame() { return false; } virtual bool RequestIntraFrame() { return false; } // Implement pure virtual methods of MediaChannel. virtual void OnPacketReceived(rtc::Buffer* packet, const rtc::PacketTime& packet_time); virtual void OnRtcpReceived(rtc::Buffer* packet, const rtc::PacketTime& packet_time) {} virtual void OnReadyToSend(bool ready) {} virtual bool AddSendStream(const StreamParams& sp); virtual bool RemoveSendStream(uint32 ssrc); virtual bool AddRecvStream(const StreamParams& sp) { return true; } virtual bool RemoveRecvStream(uint32 ssrc) { return true; } virtual bool MuteStream(uint32 ssrc, bool on) { return false; } virtual bool SetStartSendBandwidth(int bps) { return true; } virtual bool SetMaxSendBandwidth(int bps) { return true; } virtual bool SetOptions(const VideoOptions& options) { options_ = options; return true; } virtual bool GetOptions(VideoOptions* options) const { *options = options_; return true; } virtual void UpdateAspectRatio(int ratio_w, int ratio_h) {} private: uint32 send_ssrc_; rtc::scoped_ptr<RtpSenderReceiver> rtp_sender_receiver_; VideoOptions options_; DISALLOW_COPY_AND_ASSIGN(FileVideoChannel); }; } // namespace cricket #endif // TALK_MEDIA_BASE_FILEMEDIAENGINE_H_