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toxcore/toxav/phone.c
mannol 54b1dafb0b Changed msi callbacks
2014-03-11 22:59:20 +01:00

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/** 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 <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#define _BSD_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <assert.h>
#include <math.h>
#include <pthread.h>
//#include "media.h"
#include "toxav.h"
#include "event.h"
#include "../toxcore/tox.h"
#ifdef TOX_FFMPEG
/* Video encoding/decoding */
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <libavdevice/avdevice.h>
#include <libavutil/opt.h>
#endif
#include <AL/al.h>
#include <AL/alc.h>
#include <SDL/SDL.h>
#include <SDL/SDL_thread.h>
/* 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;
av_session_t *_phone;
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 );
}
void *one_threaded_audio(void *arg)
{
INFO("Started 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;
int16_t frame[4096];
ALint sample = 0;
alcCaptureStart((ALCdevice *)_phone->audio_capture_device);
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;
while (_phone->running_decaud) {
// combo
alcGetIntegerv((ALCdevice *)_phone->audio_capture_device, ALC_CAPTURE_SAMPLES, (ALCsizei)sizeof(ALint), &sample);
// record and send
if (sample >= frame_size) {
alcCaptureSamples((ALCdevice *)_phone->audio_capture_device, frame, frame_size);
if (toxav_send_audio(_phone->av, frame, frame_size) < 0)
printf("Could not encode or send audio packet\n");
} else {
usleep(5000);
}
// play received
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:
_phone->running_decaud = -1;
pthread_exit ( NULL );
}
int phone_startmedia_loop ( ToxAv *arg )
{
if ( !arg ) {
return -1;
}
toxav_prepare_transmission(arg, 1);
/*
* 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, _phone) ) {
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, _phone) ) {
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;
} */
/* One threaded audio */
if ( 0 > event.rise(one_threaded_audio, _phone) ) {
INFO ("Shit-head");
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;
}
}
void callback_recv_ringing ( void *_arg )
{
INFO ( "Ringing!" );
}
void callback_recv_starting ( void *_arg )
{
if ( 0 != phone_startmedia_loop(_arg) ) {
INFO("Starting call failed!");
} else {
INFO ("Call started! ( press h to hangup )");
}
}
void callback_recv_ending ( void *_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!" );
}
void callback_recv_error ( void *_arg )
{
/*MSISession* _session = _arg;
INFO( "Error: %s", _session->last_error_str ); */
}
void callback_call_started ( void *_arg )
{
if ( 0 != phone_startmedia_loop(_arg) ) {
INFO("Starting call failed!");
} else {
INFO ("Call started! ( press h to hangup )");
}
}
void callback_call_canceled ( void *_arg )
{
INFO ( "Call canceled!" );
}
void callback_call_rejected ( void *_arg )
{
INFO ( "Call rejected!" );
}
void callback_call_ended ( void *_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(1000000);*/
while (_phone->running_decaud != -1) usleep(1000000);
toxav_kill_transmission(_phone->av);
INFO ( "Call ended!" );
}
void callback_requ_timeout ( void *_arg )
{
INFO( "No answer! " );
}
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;
char *warned_ = fgets(dev, 2, stdin);
(void)warned_;
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;
goto failed_init_ffmpeg;
}
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;
goto failed_init_ffmpeg;
}
if (_retu->webcam_decoder_ctx == NULL) {
fprintf(stderr, "Init webcam_decoder_ctx failed!\n");
//return -1;
goto failed_init_ffmpeg;
}
if (avcodec_open2(_retu->webcam_decoder_ctx, _retu->webcam_decoder, NULL) < 0) {
fprintf(stderr, "Opening webcam decoder failed!\n");
//return -1;
goto failed_init_ffmpeg;
}
width = _retu->webcam_decoder_ctx->width;
height = _retu->webcam_decoder_ctx->height;
failed_init_ffmpeg: ;
#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, width, height);
/* ------------------ */
toxav_register_callstate_callback(callback_call_started, av_OnStart, _retu->av);
toxav_register_callstate_callback(callback_call_canceled, av_OnCancel, _retu->av);
toxav_register_callstate_callback(callback_call_rejected, av_OnReject, _retu->av);
toxav_register_callstate_callback(callback_call_ended, av_OnEnd, _retu->av);
toxav_register_callstate_callback(callback_recv_invite, av_OnInvite, _retu->av);
toxav_register_callstate_callback(callback_recv_ringing, av_OnRinging, _retu->av);
toxav_register_callstate_callback(callback_recv_starting, av_OnStarting, _retu->av);
toxav_register_callstate_callback(callback_recv_ending, av_OnEnding, _retu->av);
toxav_register_callstate_callback(callback_recv_error, av_OnError, _retu->av);
toxav_register_callstate_callback(callback_requ_timeout, av_OnRequestTimeout, _retu->av);
/* ------------------ */
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;
}
_phone = av_init_session();
assert ( _phone );
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"
"================================================================================"
, trim_spaces(_phone->_my_public_id) );
do_phone (_phone);
av_terminate_session(_phone);
return 0;
}
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