/** * @file * @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de) * @copyright Simplified BSD * * @cond * This program is free software: you can redistribute it and/or modify * it under the terms of the FreeBSD license as published by the FreeBSD * project. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * You should have received a copy of the FreeBSD license along with this * program. If not, see . * @endcond */ #ifndef MILESSESIONINVOKER_H_W09J90F0 #define MILESSESIONINVOKER_H_W09J90F0 #include extern "C" { #include "miles/miles.h" #include "miles/network.h" #include "miles/rtp.h" #include "miles/audio_codec.h" #include "miles/audio_io.h" #include "miles/audio_device.h" #include "miles/video_codec.h" #include "miles/video_grabber.h" #include "miles/session.h" #include "miles/image.h" #include "miles/list.h" long elapsed_time(struct timeval *before, struct timeval *after); } #ifdef BUILD_AS_PLUGINS #include "uscxml/plugins/Plugins.h" #endif #define WEBCONFERO_THUMB_NONE 0 #define WEBCONFERO_THUMB_JPEG 1 #define WEBCONFERO_THUMB_PNG 2 struct thumb_entry { char *img_buf; int buf_size; // The size of the buffer malloced int img_size; // The size of the image int img_format; // JPEG or PNG image char *decode_buf; u_int32_t ssrc; char *userid; // The user id assigned to the video stream void *window_ctx; // The context of the window popped up when the thumbnail is clicked. }; namespace uscxml { class MilesSessionInvoker : public InvokerImpl { public: MilesSessionInvoker(); virtual ~MilesSessionInvoker(); virtual boost::shared_ptr create(InterpreterImpl* interpreter); virtual std::set getNames() { std::set names; names.insert("miles"); names.insert("http://uscxml.tk.informatik.tu-darmstadt.de/#miles"); return names; } virtual Data getDataModelVariables(); virtual void send(const SendRequest& req); virtual void cancel(const std::string sendId); virtual void invoke(const InvokeRequest& req); protected: void processEventStart(const std::string& origin, const std::string& userid, const std::string& reflector, const std::string& session); void processEventStop(const std::string& origin); void processEventParticipants(const std::string& origin); void processEventThumbnail(const std::string& origin, const std::string& userid); void processEventVideoOn(const std::string& origin, const std::string& userid); void processEventVideoOff(const std::string& origin, const std::string& userid); void processEventAudioOn(const std::string& origin, const std::string& userid); void processEventAudioOff(const std::string& origin, const std::string& userid); void processEventSendVideo(const std::string& origin, size_t width, size_t height, size_t framerate, const std::string& compression); void processEventSendVideoOff(const std::string& origin); void processEventSendAudio(const std::string& origin, const std::string& encoding); void processEventSendAudioOff(const std::string& origin); void processEventPostText(const std::string& origin, const std::string& userid, const std::string& message); void processEventGetText(const std::string& origin); int _imageSeq; int video_rtp_in_socket, audio_rtp_in_socket; int video_rtp_out_socket, audio_rtp_out_socket; int video_rtcp_in_socket, audio_rtcp_in_socket; int video_rtcp_out_socket, audio_rtcp_out_socket; struct miles_rtp_session *video_session, *audio_session; struct miles_video_codec_encode_context *video_encoder; struct miles_audio_codec_encode_context *audio_encoder; int *supported_video_grabbers; struct miles_video_grabber_context *video_grabber; struct miles_rtp_out_stream *out_rtp_video_stream, *out_rtp_audio_stream; struct miles_rtcp_out_stream *out_rtcp_video_stream, *out_rtcp_audio_stream; struct miles_audio_device *audio_dev; struct miles_audio_device_description *supported_audio_devices; int video_port, audio_port; std::string ip_address; char *video_out_buf; char *video_conv_buf; char *encoded_out_img; char *audio_in_buf; char *render_img; int render_img_size; char *audio_data; char *video_data; char *encoded_out_audio; char *audio_read_buf; struct miles_list *thumb_list; int save_image; char *text_msg_buf; int text_msg_available; struct miles_audio_device *audio_dev_playback; int audio_dev_playback_id; int audio_available; int video_grabber_available; int sendvideo_enabled; int sendaudio_enabled; static void runAudio(void* instance); static void runVideo(void* instance); void processVideo(); void processAudio(); int setup_video_grabber(); int setup_audio(); void init_media_buffers(); void free_media_buffers(); void free_video_buffers(); void free_audio_buffers(); void free_text_buffers(); void render_video_image(char *img, int width, int height, int img_format); void playback_audio(u_int32_t ssrc, char *buf, int sample_rate, int bps, int audio_format, int size); int video_receiver(struct miles_rtp_in_stream *rtp_stream, char *data, int bytes_read); int audio_receiver(struct miles_rtp_in_stream *rtp_stream, char *data, int bytes_read); void rtp_audio_receiver(struct miles_rtp_session *rtp_session); void rtp_video_receiver(struct miles_rtp_session *rtp_session); int video_transmitter(struct miles_video_grabber_context *grabber, struct miles_video_codec_encode_context *codec_ctx, struct miles_rtp_out_stream *rtp_stream, struct miles_rtcp_out_stream *out_rtcp_stream); int audio_transmitter(struct miles_audio_device *dev, struct miles_audio_codec_encode_context *codec_ctx, struct miles_rtp_out_stream *rtp_stream, struct miles_rtcp_out_stream *out_rtcp_audio_stream); bool _isRunning; int num_connected; std::string _userId, _reflector, _session; tthread::thread* _videoThread; tthread::thread* _audioThread; tthread::recursive_mutex _mutex; }; #ifdef BUILD_AS_PLUGINS PLUMA_INHERIT_PROVIDER(MilesSessionInvoker, InvokerImpl); #endif } #endif /* end of include guard: MILESSESIONINVOKER_H_W09J90F0 */