/* get a number before \n */
int get_a_number(int *num)
{
int count = 0, c, negtive = 0;
char line[LINE_LEN + 1];
while(count < LINE_LEN)
{
c = get_a_char();
if(c == '\n' || c == EOF)
break;
/* got a number */
if(count && !isdigit(c))
{
put_a_char(c);
break;
}
if(isdigit(c))
line[count++] = c;
if(c == '-' && !negtive)
{
line[count++] = c;
negtive = 1;
}
}
line[count] = '\0';
if(num)
*num = atoi(line);
return c;
}
int main (const int argc, const char** argv)
{
GF_Err e;
Bool run;
/* location of the configuration file: 0 wait for config on a socket, 1 use the given file */
u32 config_flag;
char config_file_name[MAX_BUF];
int dest_port;
unsigned short tcp_port = 0;
/* Should be fine on WIFI network */
unsigned short mtu_size = 1492;
int debug = 0;
TCP_Input *tcp_conf = NULL;
GF_Thread *tcp_thread;
GF_Err th_err_tcp;
GF_Err th_err_rap;
RAP_Input *rap_conf;
GF_Thread *rap_thread;
CONF_Data *conf;
GF_Config *gf_config_file;
GF_Err res;
GF_Socket *UDP_feedback_socket;
u32 socketType_for_updates;
PNC_CallbackData * data;
GF_RTPChannel * chan;
GF_RTPHeader hdr;
u32 timer = -1;
GF_Mutex *carrousel_mutex;
char sdp_fmt[5000];
tcp_thread = NULL;
/* init gpac lib */
gf_sys_init();
gf_log_set_level(GF_LOG_ERROR);
gf_log_set_tools(GF_LOG_NETWORK|GF_LOG_RTP|GF_LOG_SCENE|GF_LOG_PARSER|GF_LOG_AUTHOR|GF_LOG_CODING|GF_LOG_SCRIPT);
GF_SAFEALLOC(conf, CONF_Data);
tcp_port = config_flag = 0;
socketType_for_updates = GF_SOCK_TYPE_UDP;
if (command_line_parsing(argc, argv, &tcp_port, config_file_name, (int *) &config_flag, &mtu_size, &debug, &socketType_for_updates)){
print_usage();
return -1;
}
setDebugMode( debug );
gf_config_file = NULL;
if (config_flag == 1)
{
char *cfg_path;
char *cfg_fname;
char *tmp;
cfg_fname = config_file_name;
cfg_path = config_file_name;
tmp = strrchr(cfg_fname, GF_PATH_SEPARATOR);
if (tmp) {
cfg_fname = tmp+1;
tmp[0] = 0;
} else {
cfg_path = ".";
}
gf_config_file = gf_cfg_new(cfg_path, cfg_fname);
if (!gf_config_file) {
fprintf(stderr, "Cannot open config file %s\n", config_file_name);
return -1;
} else {
dprintf(DEBUG_broadcaster, "Using config file %s.\n", config_file_name);
}
if (parse_config(gf_config_file, conf, debug)) return -1;
tcp_port = atoi(conf->config_input_port);
}
else
{
GF_SAFEALLOC(tcp_conf, TCP_Input);
tcp_conf->config_flag = &config_flag;
tcp_conf->RAPtimer = &timer;
tcp_conf->port = tcp_port;
tcp_conf->config = conf;
tcp_thread = gf_th_new("TCPInterface");
/* Starting the thread which will write the received config in a temporary file */
th_err_tcp = gf_th_run(tcp_thread, tcp_server, tcp_conf);
fprintf(stdout, "Waiting for configuration on port %d...\n", tcp_conf->port);
while(config_flag == 0) {
gf_sleep(1000);
}
fprintf(stdout, "Configuration File received. Starting Streaming ...\n");
}
timer = atoi(conf->rap_timer);
dest_port = atoi(conf->dest_port);
res = PNC_InitRTP(&chan, (char *)conf->dest_ip, dest_port, mtu_size);
if (res != 0) {
fprintf(stderr, "Cannot initialize RTP output (error: %d)\n", res);
exit(1);
}
carrousel_mutex = gf_mx_new("Carrousel");
data = PNC_Init_SceneGenerator(chan, &hdr, (char *) conf->scene_init_file,
socketType_for_updates, (u16) atoi(conf->modif_input_port), debug);
if (!data) {
fprintf(stderr, "Cannot initialize Scene Generator\n");
exit(1);
}
data->carrousel_mutex = carrousel_mutex;
data->RAPsent = 1;
UDP_feedback_socket = gf_sk_new(GF_SOCK_TYPE_UDP);
e = gf_sk_bind(UDP_feedback_socket, NULL, (u16)atoi(conf->feedback_port), (char*)conf->feedback_ip, (u16)atoi(conf->feedback_port), 0);
if (e) {
fprintf(stderr, "Cannot bind socket for bitrate feedback information (%s)\n", gf_error_to_string(e));
} else {
e = gf_sk_set_block_mode(UDP_feedback_socket, 1);
if (e) {
fprintf(stderr, "Cannot set feedback socket block mode (%s)\n", gf_error_to_string(e));
}
}
data->feedback_socket = UDP_feedback_socket;
PNC_InitPacketiser(data, sdp_fmt, mtu_size);
PNC_SendInitScene(data);
GF_SAFEALLOC(rap_conf, RAP_Input);
rap_conf->RAPtimer = &timer;
rap_conf->carrousel_mutex = carrousel_mutex;
rap_conf->data = data;
rap_thread = gf_th_new("RAPGenerator");
th_err_rap = gf_th_run(rap_thread, RAP_send, rap_conf);
sdp_generator(data, (char *)conf->dest_ip, sdp_fmt);
run = 1;
while (run)
{
GF_Err e = PNC_processBIFSGenerator(data);
if (e) {
fprintf(stderr, "Cannot Process BIFS data (%s)\n", gf_error_to_string(e));
break;
}
if (has_input()) {
char c = get_a_char();
switch (c) {
case 'q':
run = 0;
break;
}
}
gf_sleep(10);
}
/* waiting for termination of the RAP thread */
rap_conf->status = 0;
while (rap_conf->status != 2)
gf_sleep(0);
gf_free(rap_conf);
gf_th_del(rap_thread);
/* waiting for termination of the TCP listening thread */
if (tcp_conf) {
tcp_conf->status = 0;
while (tcp_conf->status != 2)
gf_sleep(0);
gf_free(tcp_conf);
gf_th_del(tcp_thread);
}
PNC_Close_SceneGenerator(data);
gf_free(conf);
if (gf_config_file)
gf_cfg_del(gf_config_file);
gf_mx_del(carrousel_mutex);
gf_sys_close();
return 0;
}