/** phone.c * * NOTE NOTE NOTE NOTE NOTE NOTE * * This file is for testing/reference purposes only, hence * it is _poorly_ designed and it does not fully reflect the * quaility of msi nor rtp. Although toxmsi* and toxrtp* are tested * there is always possiblity of crashes. If crash occures, * contact me ( mannol ) on either irc channel #tox-dev @ freenode.net:6667 * or eniz_vukovic@hotmail.com * * NOTE NOTE NOTE NOTE NOTE NOTE * * Copyright (C) 2013 Tox project All Rights Reserved. * * This file is part of Tox. * * Tox is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Tox 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Tox. If not, see . * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif /* HAVE_CONFIG_H */ #define _BSD_SOURCE #define _GNU_SOURCE #include #include #include #include #include #include #include #include //#include "media.h" #include "toxav.h" #include "../toxcore/event.h" #include "../toxcore/tox.h" #ifdef TOX_FFMPEG /* Video encoding/decoding */ #include #include #include #include #include #endif #include #include #include #include /* the quit event for SDL */ #define FF_QUIT_EVENT (SDL_USEREVENT + 2) #ifdef __linux__ #define VIDEO_DRIVER "video4linux2" #define DEFAULT_WEBCAM "/dev/video0" #endif #if defined(_WIN32) || defined(__WIN32__) || defined (WIN32) #define VIDEO_DRIVER "vfwcap" #define DEFAULT_WEBCAM "0" #endif /* Define client version */ #define _USERAGENT "v.0.3.0" struct SDL_Surface *screen; typedef struct { struct SDL_Overlay *bmp; int width, height; } VideoPicture; typedef struct av_friend_s { int _id; int _active; /* 0=false; 1=true; */ } av_friend_t; typedef struct av_session_s { /* Encoding/decoding/capturing/playing */ ToxAv* av; VideoPicture video_picture; struct ALCdevice *audio_capture_device; /* context for converting image format to something SDL can use*/ struct SwsContext *sws_SDL_r_ctx; /* context for converting webcam image format to something the video encoder can use */ struct SwsContext *sws_ctx; /* Thread running control */ int running_decaud, running_encaud, running_decvid, running_encvid; pthread_mutex_t _mutex; Tox* _messenger; av_friend_t* _friends; int _friend_cout; char _my_public_id[200]; #ifdef TOX_FFMPEG AVInputFormat *video_input_format; AVFormatContext *video_format_ctx; uint8_t video_stream; AVCodecContext *webcam_decoder_ctx; AVCodec *webcam_decoder; #endif } av_session_t; void av_allocate_friend(av_session_t* _phone, int _id, int _active) { static int _new_id = 0; if ( !_phone->_friends ) { _phone->_friends = calloc(sizeof(av_friend_t), 1); _phone->_friend_cout = 1; } else{ _phone->_friend_cout ++; _phone->_friends = realloc(_phone->_friends, sizeof(av_friend_t) * _phone->_friend_cout); } if ( _id == -1 ) { _phone->_friends->_id = _new_id; _new_id ++; } else _phone->_friends->_id = _id; _phone->_friends->_active = _active; } av_friend_t* av_get_friend(av_session_t* _phone, int _id) { av_friend_t* _friends = _phone->_friends; if ( !_friends ) return NULL; int _it = 0; for (; _it < _phone->_friend_cout; _it ++) if ( _friends[_it]._id == _id ) return _friends + _it; return NULL; } /***************** MISC *****************/ void INFO (const char* _format, ...) { printf("\r[!] "); va_list _arg; va_start (_arg, _format); vfprintf (stdout, _format, _arg); va_end (_arg); printf("\n\r >> "); fflush(stdout); } unsigned char *hex_string_to_bin(char hex_string[]) { size_t i, len = strlen(hex_string); unsigned char *val = calloc(sizeof(unsigned char), len); char *pos = hex_string; for (i = 0; i < len; ++i, pos += 2) sscanf(pos, "%2hhx", &val[i]); return val; } int getinput( char* _buff, size_t _limit, int* _len ) { if ( fgets(_buff, _limit, stdin) == NULL ) return -1; *_len = strlen(_buff) - 1; /* Get rid of newline */ _buff[*_len] = '\0'; return 0; } char* trim_spaces ( char* buff ) { int _i = 0, _len = strlen(buff); char* container = calloc(sizeof(char), _len); int _ci = 0; for ( ; _i < _len; _i++ ) { while ( _i < _len && buff[_i] == ' ' ) _i++; if ( _i < _len ){ container[_ci] = buff[_i]; _ci ++; } } memcpy( buff, container, _ci ); buff[_ci] = '\0'; free(container); return buff; } #define FRADDR_TOSTR_CHUNK_LEN 8 static void fraddr_to_str(uint8_t *id_bin, char *id_str) { uint i, delta = 0, pos_extra = 0, sum_extra = 0; for (i = 0; i < TOX_FRIEND_ADDRESS_SIZE; i++) { sprintf(&id_str[2 * i + delta], "%02hhX", id_bin[i]); if ((i + 1) == TOX_CLIENT_ID_SIZE) pos_extra = 2 * (i + 1) + delta; if (i >= TOX_CLIENT_ID_SIZE) sum_extra |= id_bin[i]; if (!((i + 1) % FRADDR_TOSTR_CHUNK_LEN)) { id_str[2 * (i + 1) + delta] = ' '; delta++; } } id_str[2 * i + delta] = 0; if (!sum_extra) id_str[pos_extra] = 0; } /********************************************* ********************************************* ********************************************* ********************************************* ********************************************* ********************************************* ********************************************* ********************************************* */ /* * How av stuff _should_ look like */ /* int display_received_frame(av_session_t* _phone, vpx_image_t *image) { CodecState* cs = get_cs_temp(_phone->av); AVPicture pict; SDL_LockYUVOverlay(_phone->video_picture.bmp); pict.data[0] = _phone->video_picture.bmp->pixels[0]; pict.data[1] = _phone->video_picture.bmp->pixels[2]; pict.data[2] = _phone->video_picture.bmp->pixels[1]; pict.linesize[0] = _phone->video_picture.bmp->pitches[0]; pict.linesize[1] = _phone->video_picture.bmp->pitches[2]; pict.linesize[2] = _phone->video_picture.bmp->pitches[1]; */ /* Convert the image into YUV format that SDL uses *//* sws_scale(_phone->sws_SDL_r_ctx, (uint8_t const * const *)r_video_frame->data, r_video_frame->linesize, 0, cs->video_decoder_ctx->height, pict.data, pict.linesize ); SDL_UnlockYUVOverlay(_phone->video_picture.bmp); SDL_Rect rect; rect.x = 0; rect.y = 0; rect.w = cs->video_decoder_ctx->width; rect.h = cs->video_decoder_ctx->height; SDL_DisplayYUVOverlay(_phone->video_picture.bmp, &rect); return 1; } */ #ifdef TOX_FFMPEG void *encode_video_thread(void *arg) { INFO("Started encode video thread!"); av_session_t* _phone = arg; _phone->running_encvid = 1; //CodecState *cs = get_cs_temp(_phone->av); AVPacket pkt1, *packet = &pkt1; //int p = 0; //int got_packet; int video_frame_finished; AVFrame *s_video_frame; AVFrame *webcam_frame; s_video_frame = avcodec_alloc_frame(); webcam_frame = avcodec_alloc_frame(); //AVPacket enc_video_packet; uint8_t *buffer; int numBytes; /* Determine required buffer size and allocate buffer */ numBytes = avpicture_get_size(PIX_FMT_YUV420P, _phone->webcam_decoder_ctx->width, _phone->webcam_decoder_ctx->height); buffer = (uint8_t *)av_calloc(numBytes * sizeof(uint8_t),1); avpicture_fill((AVPicture *)s_video_frame, buffer, PIX_FMT_YUV420P, _phone->webcam_decoder_ctx->width, _phone->webcam_decoder_ctx->height); _phone->sws_ctx = sws_getContext(_phone->webcam_decoder_ctx->width, _phone->webcam_decoder_ctx->height, _phone->webcam_decoder_ctx->pix_fmt, _phone->webcam_decoder_ctx->width, _phone->webcam_decoder_ctx->height, PIX_FMT_YUV420P, SWS_BILINEAR, NULL, NULL, NULL); vpx_image_t *image = vpx_img_alloc(NULL, VPX_IMG_FMT_I420, _phone->webcam_decoder_ctx->width, _phone->webcam_decoder_ctx->height, 1); //uint32_t frame_counter = 0; while (_phone->running_encvid) { if (av_read_frame(_phone->video_format_ctx, packet) < 0) { printf("error reading frame\n"); if (_phone->video_format_ctx->pb->error != 0) break; continue; } if (packet->stream_index == _phone->video_stream) { if (avcodec_decode_video2(_phone->webcam_decoder_ctx, webcam_frame, &video_frame_finished, packet) < 0) { printf("couldn't decode\n"); continue; } av_free_packet(packet); sws_scale(_phone->sws_ctx, (uint8_t const * const *)webcam_frame->data, webcam_frame->linesize, 0, _phone->webcam_decoder_ctx->height, s_video_frame->data, s_video_frame->linesize); /* create a new I-frame every 60 frames */ //++p; /* if (p == 60) { s_video_frame->pict_type = AV_PICTURE_TYPE_BI ; } else if (p == 61) { s_video_frame->pict_type = AV_PICTURE_TYPE_I ; p = 0; } else { s_video_frame->pict_type = AV_PICTURE_TYPE_P ; }*/ if (video_frame_finished) { memcpy(image->planes[VPX_PLANE_Y], s_video_frame->data[0], s_video_frame->linesize[0] * _phone->webcam_decoder_ctx->height); memcpy(image->planes[VPX_PLANE_U], s_video_frame->data[1], s_video_frame->linesize[1] * _phone->webcam_decoder_ctx->height / 2); memcpy(image->planes[VPX_PLANE_V], s_video_frame->data[2], s_video_frame->linesize[2] * _phone->webcam_decoder_ctx->height / 2); toxav_send_video (_phone->av, image); //if (avcodec_encode_video2(cs->video_encoder_ctx, &enc_video_packet, s_video_frame, &got_packet) < 0) { /*if (vpx_codec_encode(&cs->v_encoder, image, frame_counter, 1, 0, 0) != VPX_CODEC_OK) { printf("could not encode video frame\n"); continue; } ++frame_counter; vpx_codec_iter_t iter = NULL; vpx_codec_cx_pkt_t *pkt; while( (pkt = vpx_codec_get_cx_data(&cs->v_encoder, &iter)) ) { if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) toxav_send_rtp_payload(_phone->av, TypeVideo, pkt->data.frame.buf, pkt->data.frame.sz); }*/ //if (!got_packet) { // continue; //} //if (!enc_video_packet.data) fprintf(stderr, "video packet data is NULL\n"); //toxav_send_rtp_payload(_phone->av, TypeVideo, enc_video_packet.data, enc_video_packet.size); //av_free_packet(&enc_video_packet); } } else { av_free_packet(packet); } } vpx_img_free(image); /* clean up codecs */ //pthread_mutex_lock(&cs->ctrl_mutex); av_free(buffer); av_free(webcam_frame); av_free(s_video_frame); sws_freeContext(_phone->sws_ctx); //avcodec_close(webcam_decoder_ctx); //avcodec_close(cs->video_encoder_ctx); //pthread_mutex_unlock(&cs->ctrl_mutex); _phone->running_encvid = -1; pthread_exit ( NULL ); } #endif void *encode_audio_thread(void *arg) { INFO("Started encode audio thread!"); av_session_t* _phone = arg; _phone->running_encaud = 1; int ret = 0; int16_t frame[4096]; int frame_size = AUDIO_FRAME_SIZE; ALint sample = 0; alcCaptureStart((ALCdevice*)_phone->audio_capture_device); while (_phone->running_encaud) { alcGetIntegerv((ALCdevice*)_phone->audio_capture_device, ALC_CAPTURE_SAMPLES, (ALCsizei)sizeof(ALint), &sample); if (sample >= frame_size) { alcCaptureSamples((ALCdevice*)_phone->audio_capture_device, frame, frame_size); ret = toxav_send_audio(_phone->av, frame, frame_size); if (ret < 0) printf("Could not encode or send audio packet\n"); } else { usleep(1000); } } /* clean up codecs * pthread_mutex_lock(&cs->ctrl_mutex);* / alcCaptureStop((ALCdevice*)_phone->audio_capture_device); alcCaptureCloseDevice((ALCdevice*)_phone->audio_capture_device); / *pthread_mutex_unlock(&cs->ctrl_mutex);*/ _phone->running_encaud = -1; pthread_exit ( NULL ); } void convert_to_rgb(vpx_image_t *img, unsigned char *out) { const int w = img->d_w; const int w2 = w/2; const int pstride = w*3; const int h = img->d_h; const int h2 = h/2; const int strideY = img->stride[0]; const int strideU = img->stride[1]; const int strideV = img->stride[2]; int posy, posx; for (posy = 0; posy < h2; posy++) { unsigned char *dst = out + pstride * (posy * 2); unsigned char *dst2 = out + pstride * (posy * 2 + 1); const unsigned char *srcY = img->planes[0] + strideY * posy * 2; const unsigned char *srcY2 = img->planes[0] + strideY * (posy * 2 + 1); const unsigned char *srcU = img->planes[1] + strideU * posy; const unsigned char *srcV = img->planes[2] + strideV * posy; for (posx = 0; posx < w2; posx++) { unsigned char Y,U,V; short R,G,B; short iR,iG,iB; U = *(srcU++); V = *(srcV++); iR = (351 * (V-128)) / 256; iG = - (179 * (V-128)) / 256 - (86 * (U-128)) / 256; iB = (444 * (U-128)) / 256; Y = *(srcY++); R = Y + iR ; G = Y + iG ; B = Y + iB ; R = (R<0?0:(R>255?255:R)); G = (G<0?0:(G>255?255:G)); B = (B<0?0:(B>255?255:B)); *(dst++) = R; *(dst++) = G; *(dst++) = B; Y = *(srcY2++); R = Y + iR ; G = Y + iG ; B = Y + iB ; R = (R<0?0:(R>255?255:R)); G = (G<0?0:(G>255?255:G)); B = (B<0?0:(B>255?255:B)); *(dst2++) = R; *(dst2++) = G; *(dst2++) = B; Y = *(srcY++) ; R = Y + iR ; G = Y + iG ; B = Y + iB ; R = (R<0?0:(R>255?255:R)); G = (G<0?0:(G>255?255:G)); B = (B<0?0:(B>255?255:B)); *(dst++) = R; *(dst++) = G; *(dst++) = B; Y = *(srcY2++); R = Y + iR ; G = Y + iG ; B = Y + iB ; R = (R<0?0:(R>255?255:R)); G = (G<0?0:(G>255?255:G)); B = (B<0?0:(B>255?255:B)); *(dst2++) = R; *(dst2++) = G; *(dst2++) = B; } } } #define mask32(BYTE) (*(uint32_t *)(uint8_t [4]){ [BYTE] = 0xff }) void *decode_video_thread(void *arg) { INFO("Started decode video thread!"); av_session_t* _phone = arg; _phone->running_decvid = 1; //CodecState *cs = get_cs_temp(_phone->av); //cs->video_stream = 0; //int recved_size; //uint8_t dest[RTP_PAYLOAD_SIZE]; //int dec_frame_finished; //AVFrame *r_video_frame; //r_video_frame = avcodec_alloc_frame(); //AVPacket dec_video_packet; //av_new_packet (&dec_video_packet, 65536); int width = 0; int height = 0; while (_phone->running_decvid) { //recved_size = toxav_recv_rtp_payload(_phone->av, TypeVideo, dest); //if (recved_size) { vpx_image_t *image; if (toxav_recv_video(_phone->av, &image) == 0) { //memcpy(dec_video_packet.data, dest, recved_size); //dec_video_packet.size = recved_size; //avcodec_decode_video2(cs->video_decoder_ctx, r_video_frame, &dec_frame_finished, &dec_video_packet); //if (dec_frame_finished) { /* Check if size has changed */ if (image->d_w != width || image->d_h != height) { width = image->d_w; height = image->d_h; printf("w: %d h: %d \n", width, height); screen = SDL_SetVideoMode(width, height, 0, 0); //if (_phone->video_picture.bmp) // SDL_FreeYUVOverlay(_phone->video_picture.bmp); //_phone->video_picture.bmp = SDL_CreateYUVOverlay(width, height, SDL_YV12_OVERLAY, screen); // _phone->sws_SDL_r_ctx = sws_getContext(width, height, cs->video_decoder_ctx->pix_fmt, width, height, PIX_FMT_YUV420P, // SWS_BILINEAR, NULL, NULL, NULL); } uint8_t *rgb_image = malloc(width*height*3); convert_to_rgb(image, rgb_image); SDL_Surface* img_surface = SDL_CreateRGBSurfaceFrom(rgb_image, width, height, 24, width * 3, mask32(0), mask32(1), mask32(2), 0); if(SDL_BlitSurface(img_surface, NULL, screen, NULL) == 0) SDL_UpdateRect(screen, 0, 0, 0, 0); /* SDL_LockYUVOverlay(_phone->video_picture.bmp); memcpy(_phone->video_picture.bmp->pixels[0], image->planes[VPX_PLANE_Y], _phone->video_picture.bmp->pitches[0] * height); memcpy(_phone->video_picture.bmp->pixels[1], image->planes[VPX_PLANE_V], _phone->video_picture.bmp->pitches[1] * height / 2); memcpy(_phone->video_picture.bmp->pixels[2], image->planes[VPX_PLANE_U], _phone->video_picture.bmp->pitches[2] * height / 2); SDL_Rect rect; rect.x = 0; rect.y = 0; rect.w = width; rect.h = height; SDL_DisplayYUVOverlay(_phone->video_picture.bmp, &rect);*/ free(rgb_image); //display_received_frame(_phone, image); } //else { /* TODO: request the sender to create a new i-frame immediatly */ //printf("Bad video packet\n"); //} //} usleep(1000); } /* clean up codecs */ //av_free(r_video_frame); //pthread_mutex_lock(&cs->ctrl_mutex); //avcodec_close(cs->video_decoder_ctx); //pthread_mutex_unlock(&cs->ctrl_mutex); _phone->running_decvid = -1; pthread_exit ( NULL ); } void *decode_audio_thread(void *arg) { INFO("Started decode audio thread!"); av_session_t* _phone = arg; _phone->running_decaud = 1; //int recved_size; //uint8_t dest [RTP_PAYLOAD_SIZE]; int frame_size = AUDIO_FRAME_SIZE; //int data_size; ALCdevice *dev; ALCcontext *ctx; ALuint source, *buffers; dev = alcOpenDevice(NULL); ctx = alcCreateContext(dev, NULL); alcMakeContextCurrent(ctx); int openal_buffers = 5; buffers = calloc(sizeof(ALuint) * openal_buffers,1); alGenBuffers(openal_buffers, buffers); alGenSources((ALuint)1, &source); alSourcei(source, AL_LOOPING, AL_FALSE); ALuint buffer; ALint ready; uint16_t zeros[frame_size]; memset(zeros, 0, frame_size); int16_t PCM[frame_size]; int i; for (i = 0; i < openal_buffers; ++i) { alBufferData(buffers[i], AL_FORMAT_MONO16, zeros, frame_size, 48000); } alSourceQueueBuffers(source, openal_buffers, buffers); alSourcePlay(source); if (alGetError() != AL_NO_ERROR) { fprintf(stderr, "Error starting audio\n"); goto ending; } int dec_frame_len = 0; while (_phone->running_decaud) { alGetSourcei(source, AL_BUFFERS_PROCESSED, &ready); if (ready <= 0) continue; dec_frame_len = toxav_recv_audio(_phone->av, frame_size, PCM); /* Play the packet */ if (dec_frame_len > 0) { alSourceUnqueueBuffers(source, 1, &buffer); alBufferData(buffer, AL_FORMAT_MONO16, PCM, dec_frame_len * 2 * 1, 48000); int error = alGetError(); if (error != AL_NO_ERROR) { fprintf(stderr, "Error setting buffer %d\n", error); break; } alSourceQueueBuffers(source, 1, &buffer); if (alGetError() != AL_NO_ERROR) { fprintf(stderr, "Error: could not buffer audio\n"); break; } alGetSourcei(source, AL_SOURCE_STATE, &ready); if (ready != AL_PLAYING) alSourcePlay(source); } usleep(1000); } ending: /* clean up codecs */ //pthread_mutex_lock(&cs->ctrl_mutex); /* alDeleteSources(1, &source); alDeleteBuffers(openal_buffers, buffers); alcMakeContextCurrent(NULL); alcDestroyContext(ctx); alcCloseDevice(dev); */ //pthread_mutex_unlock(&cs->ctrl_mutex); _phone->running_decaud = -1; pthread_exit ( NULL ); } int phone_startmedia_loop ( ToxAv* arg ) { if ( !arg ){ return -1; } toxav_prepare_transmission(arg); /* * Rise all threads */ #ifdef TOX_FFMPEG /* Only checks for last peer */ if ( toxav_get_peer_transmission_type(arg, 0) == TypeVideo && 0 > event.rise(encode_video_thread, toxav_get_agent_handler(arg)) ) { INFO("Error while starting encode_video_thread()"); return -1; } #endif /* Always send audio */ if ( 0 > event.rise(encode_audio_thread, toxav_get_agent_handler(arg)) ) { INFO("Error while starting encode_audio_thread()"); return -1; } /* Only checks for last peer */ if ( toxav_get_peer_transmission_type(arg, 0) == TypeVideo && 0 > event.rise(decode_video_thread, toxav_get_agent_handler(arg)) ) { INFO("Error while starting decode_video_thread()"); return -1; } if ( 0 > event.rise(decode_audio_thread, toxav_get_agent_handler(arg)) ) { INFO("Error while starting decode_audio_thread()"); return -1; } return 0; } /********************************************* ********************************************* ********************************************* ********************************************* ********************************************* ********************************************* ********************************************* ********************************************* */ /* Some example callbacks */ void* callback_recv_invite ( void* _arg ) { assert(_arg); switch ( toxav_get_peer_transmission_type(_arg, 0) ){ case TypeAudio: INFO( "Incoming audio call!"); break; case TypeVideo: INFO( "Incoming video call!"); break; } pthread_exit(NULL); } void* callback_recv_ringing ( void* _arg ) { INFO ( "Ringing!" ); pthread_exit(NULL); } void* callback_recv_starting ( void* _arg ) { if ( 0 != phone_startmedia_loop(_arg) ){ INFO("Starting call failed!"); } else { INFO ("Call started! ( press h to hangup )"); } pthread_exit(NULL); } void* callback_recv_ending ( void* _arg ) { av_session_t* _phone = toxav_get_agent_handler(_arg); _phone->running_encaud = 0; _phone->running_decaud = 0; _phone->running_encvid = 0; _phone->running_decvid = 0; /* Wait until all threads are done */ while ( _phone->running_encaud != -1 || _phone->running_decaud != -1 || _phone->running_encvid != -1 || _phone->running_decvid != -1 ) usleep(10000000); INFO ( "Call ended!" ); pthread_exit(NULL); } void* callback_recv_error ( void* _arg ) { /*MSISession* _session = _arg; INFO( "Error: %s", _session->last_error_str ); */ pthread_exit(NULL); } void* callback_call_started ( void* _arg ) { if ( 0 != phone_startmedia_loop(_arg) ){ INFO("Starting call failed!"); } else { INFO ("Call started! ( press h to hangup )"); } pthread_exit(NULL); } void* callback_call_canceled ( void* _arg ) { INFO ( "Call canceled!" ); pthread_exit(NULL); } void* callback_call_rejected ( void* _arg ) { INFO ( "Call rejected!" ); pthread_exit(NULL); } void* callback_call_ended ( void* _arg ) { av_session_t* _phone = toxav_get_agent_handler(_arg); _phone->running_encaud = 0; _phone->running_decaud = 0; _phone->running_encvid = 0; _phone->running_decvid = 0; /* Wait until all threads are done */ while ( _phone->running_encaud != -1 || _phone->running_decaud != -1 || _phone->running_encvid != -1 || _phone->running_decvid != -1 ) usleep(10000000); toxav_kill_transmission(_phone->av); INFO ( "Call ended!" ); pthread_exit(NULL); } void* callback_requ_timeout ( void* _arg ) { INFO( "No answer! " ); pthread_exit(NULL); } av_session_t* av_init_session() { av_session_t* _retu = malloc(sizeof(av_session_t)); /* Initialize our mutex */ pthread_mutex_init ( &_retu->_mutex, NULL ); _retu->_messenger = tox_new(1); if ( !_retu->_messenger ) { fprintf ( stderr, "tox_new() failed!\n" ); return NULL; } _retu->_friends = NULL; const ALchar *_device_list = alcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER); int i = 0; const ALchar *device_names[20]; if ( _device_list ) { INFO("\nAvailable Capture Devices are:"); while (*_device_list ) { device_names[i] = _device_list; INFO("%d) %s", i, device_names[i]); _device_list += strlen( _device_list ) + 1; ++i; } } INFO("Enter capture device number"); char dev[2]; char* left; fgets(dev, 2, stdin); long selection = strtol(dev, &left, 10); if ( *left ) { printf("'%s' is not a number!", dev); fflush(stdout); exit(EXIT_FAILURE); } else { INFO("Selected: %d ( %s )", selection, device_names[selection]); } _retu->audio_capture_device = (struct ALCdevice*)alcCaptureOpenDevice( device_names[selection], AUDIO_SAMPLE_RATE, AL_FORMAT_MONO16, AUDIO_FRAME_SIZE * 4); if (alcGetError((ALCdevice*)_retu->audio_capture_device) != AL_NO_ERROR) { printf("Could not start capture device! %d\n", alcGetError((ALCdevice*)_retu->audio_capture_device)); return 0; } uint16_t height = 0, width = 0; #ifdef TOX_FFMPEG avdevice_register_all(); avcodec_register_all(); av_register_all(); _retu->video_input_format = av_find_input_format(VIDEO_DRIVER); if (avformat_open_input(&_retu->video_format_ctx, DEFAULT_WEBCAM, _retu->video_input_format, NULL) != 0) { fprintf(stderr, "Opening video_input_format failed!\n"); //return -1; return NULL; } avformat_find_stream_info(_retu->video_format_ctx, NULL); av_dump_format(_retu->video_format_ctx, 0, DEFAULT_WEBCAM, 0); for (i = 0; i < _retu->video_format_ctx->nb_streams; ++i) { if (_retu->video_format_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) { _retu->video_stream = i; break; } } _retu->webcam_decoder_ctx = _retu->video_format_ctx->streams[_retu->video_stream]->codec; _retu->webcam_decoder = avcodec_find_decoder(_retu->webcam_decoder_ctx->codec_id); if (_retu->webcam_decoder == NULL) { fprintf(stderr, "Unsupported codec!\n"); //return -1; return NULL; } if (_retu->webcam_decoder_ctx == NULL) { fprintf(stderr, "Init webcam_decoder_ctx failed!\n"); //return -1; return NULL; } if (avcodec_open2(_retu->webcam_decoder_ctx, _retu->webcam_decoder, NULL) < 0) { fprintf(stderr, "Opening webcam decoder failed!\n"); //return -1; return NULL; } width = _retu->webcam_decoder_ctx->width; height = _retu->webcam_decoder_ctx->height; #endif uint8_t _byte_address[TOX_FRIEND_ADDRESS_SIZE]; tox_get_address(_retu->_messenger, _byte_address ); fraddr_to_str( _byte_address, _retu->_my_public_id ); _retu->av = toxav_new(_retu->_messenger, _retu, _USERAGENT, width, height); /* ------------------ */ toxav_register_callstate_callback(callback_call_started, OnStart); toxav_register_callstate_callback(callback_call_canceled, OnCancel); toxav_register_callstate_callback(callback_call_rejected, OnReject); toxav_register_callstate_callback(callback_call_ended, OnEnd); toxav_register_callstate_callback(callback_recv_invite, OnInvite); toxav_register_callstate_callback(callback_recv_ringing, OnRinging); toxav_register_callstate_callback(callback_recv_starting, OnStarting); toxav_register_callstate_callback(callback_recv_ending, OnEnding); toxav_register_callstate_callback(callback_recv_error, OnError); toxav_register_callstate_callback(callback_requ_timeout, OnRequestTimeout); /* ------------------ */ return _retu; } int av_terminate_session(av_session_t* _phone) { toxav_hangup(_phone->av); free(_phone->_friends); pthread_mutex_destroy ( &_phone->_mutex ); Tox* _p = _phone->_messenger; _phone->_messenger = NULL; usleep(100000); /* Wait for tox_poll to end */ tox_kill(_p); toxav_kill(_phone->av); free(_phone); printf("\r[i] Quit!\n"); return 0; } /****** AV HELPER FUNCTIONS ******/ /* Auto accept friend request */ void av_friend_requ(uint8_t *_public_key, uint8_t *_data, uint16_t _length, void *_userdata) { av_session_t* _phone = _userdata; av_allocate_friend (_phone, -1, 0); INFO("Got friend request with message: %s", _data); tox_add_friend_norequest(_phone->_messenger, _public_key); INFO("Auto-accepted! Friend id: %d", _phone->_friends->_id ); } void av_friend_active(Tox *_messenger, int _friendnumber, uint8_t *_string, uint16_t _length, void *_userdata) { av_session_t* _phone = _userdata; INFO("Friend no. %d is online", _friendnumber); av_friend_t* _this_friend = av_get_friend(_phone, _friendnumber); if ( !_this_friend ) { INFO("But it's not registered!"); return; } (*_this_friend)._active = 1; } int av_add_friend(av_session_t* _phone, char* _friend_hash) { trim_spaces(_friend_hash); unsigned char *_bin_string = hex_string_to_bin(_friend_hash); int _number = tox_add_friend(_phone->_messenger, _bin_string, (uint8_t *)"Tox phone "_USERAGENT, sizeof("Tox phone "_USERAGENT)); free(_bin_string); if ( _number >= 0) { INFO("Added friend as %d", _number ); av_allocate_friend(_phone, _number, 0); } else INFO("Unknown error %i", _number ); return _number; } int av_connect_to_dht(av_session_t* _phone, char* _dht_key, const char* _dht_addr, unsigned short _dht_port) { unsigned char *_binary_string = hex_string_to_bin(_dht_key); uint16_t _port = htons(_dht_port); int _if = tox_bootstrap_from_address(_phone->_messenger, _dht_addr, 1, _port, _binary_string ); free(_binary_string); return _if ? 0 : -1; } /*********************************/ void do_phone ( av_session_t* _phone ) { INFO("Welcome to tox_phone version: " _USERAGENT "\n" "Usage: \n" "f [pubkey] (add friend)\n" "c [a/v] (type) [friend] (friend id) (calls friend if online)\n" "h (if call is active hang up)\n" "a [a/v] (answer incoming call: a - audio / v - audio + video (audio is default))\n" "r (reject incoming call)\n" "q (quit)\n" "================================================================================" ); while ( 1 ) { char _line [ 1500 ]; int _len; if ( -1 == getinput(_line, 1500, &_len) ){ printf(" >> "); fflush(stdout); continue; } if ( _len > 1 && _line[1] != ' ' && _line[1] != '\n' ){ INFO("Invalid input!"); continue; } switch (_line[0]){ case 'f': { char _id [128]; strncpy(_id, _line + 2, 128); av_add_friend(_phone, _id); } break; case 'c': { ToxAvCallType _ctype; if ( _len < 5 ){ INFO("Invalid input; usage: c a/v [friend]"); break; } else if ( _line[2] == 'a' || _line[2] != 'v' ){ /* default and audio */ _ctype = TypeAudio; } else { /* video */ _ctype = TypeVideo; } char* _end; int _friend = strtol(_line + 4, &_end, 10); if ( *_end ){ INFO("Friend num has to be numerical value"); break; } if ( toxav_call(_phone->av, _friend, _ctype, 30) == ErrorAlreadyInCall ){ INFO("Already in a call"); break; } else INFO("Calling friend: %d!", _friend); } break; case 'h': { if ( toxav_hangup(_phone->av) == ErrorNoCall ) { INFO("No call!"); break; } else INFO("Hung up..."); } break; case 'a': { ToxAvError rc; if ( _len > 1 && _line[2] == 'v' ) { rc = toxav_answer(_phone->av, TypeVideo); } else rc = toxav_answer(_phone->av, TypeAudio); if ( rc == ErrorInvalidState ) { INFO("No call to answer!"); } } break; case 'r': { if ( toxav_reject(_phone->av, "User action") == ErrorInvalidState ) INFO("No state to cancel!"); else INFO("Call Rejected..."); } break; case 'q': { INFO("Quitting!"); return; } case '\n': { } default: { } break; } } } void* tox_poll (void* _messenger_p) { Tox** _messenger = _messenger_p; while( *_messenger ) { tox_do(*_messenger); usleep(10000); } pthread_exit(NULL); } int av_wait_dht(av_session_t* _phone, int _wait_seconds, const char* _ip, char* _key, unsigned short _port) { if ( !_wait_seconds ) return -1; int _waited = 0; while( !tox_isconnected(_phone->_messenger) ) { if ( -1 == av_connect_to_dht(_phone, _key, _ip, _port) ) { INFO("Could not connect to: %s", _ip); av_terminate_session(_phone); return -1; } if ( _waited >= _wait_seconds ) return 0; printf("."); fflush(stdout); _waited ++; usleep(1000000); } int _r = _wait_seconds - _waited; return _r ? _r : 1; } /* ---------------------- */ int print_help ( const char* _name ) { printf ( "Usage: %s [IP] [PORT] [KEY]\n" "\t[IP] (DHT ip)\n" "\t[PORT] (DHT port)\n" "\t[KEY] (DHT public key)\n" "P.S. Friends and key are stored in ./tox_phone.conf\n" ,_name ); return 1; } int main ( int argc, char* argv [] ) { if ( argc < 1 || argc < 4 ) return print_help(argv[0]); char* _convertable; const char* _ip = argv[1]; char* _key = argv[3]; unsigned short _port = strtol(argv[2], &_convertable, 10); if ( *_convertable ) { printf("Invalid port: cannot convert string to long: %s", _convertable); return 1; } av_session_t* _phone = av_init_session(); tox_callback_friend_request(_phone->_messenger, av_friend_requ, _phone); tox_callback_status_message(_phone->_messenger, av_friend_active, _phone); INFO("\r================================================================================\n" "[!] Trying dht@%s:%d" , _ip, _port); /* Start tox protocol */ event.rise( tox_poll, &_phone->_messenger ); /* Just clean one line */ printf("\r \r"); fflush(stdout); int _r; int _wait_seconds = 5; for ( _r = 0; _r == 0; _r = av_wait_dht(_phone, _wait_seconds, _ip, _key, _port) ) _wait_seconds --; if ( -1 == _r ) { INFO("Error while connecting to dht: %s:%d", _ip, _port); av_terminate_session(_phone); return 1; } INFO("CONNECTED!\n" "================================================================================\n" "%s\n" "================================================================================" , _phone->_my_public_id ); do_phone (_phone); av_terminate_session(_phone); return 0; }