/*
* rtp_peridic - called from receive task; generates RTCP when needed; also
* checks for end of stream - if so, it kicks the decoder task, to finish off
*/
void CPlayerMedia::rtp_periodic (void)
{
if (m_rtp_session_from_outside == false) {
rtp_send_ctrl(m_rtp_session,
m_rtp_byte_stream != NULL ?
m_rtp_byte_stream->get_last_rtp_timestamp() : 0,
NULL);
rtp_update(m_rtp_session);
}
if (m_rtp_byte_stream != NULL) {
m_rtp_byte_stream->rtp_periodic();
if (m_rtp_byte_stream->eof()) {
bytestream_primed();
}
}
}
int main (int argc, char *argv[])
{
struct rtp *session;
int rx_port, tx_port, fd;
uint32_t read_size, packet_size, number_of_packet;
uint8_t buff[BUFFSIZE];
off_t cur_pos;
char *ip_addr;
char filename[1024];
int c;
struct hostent *h;
struct utsname myname;
#ifdef HAVE_SRTP
#else
void *srtp_data;
#endif
unsigned int extra_len;
int do_auth = 1, do_encrypt = 1;
ssize_t readit;
ssize_t sendit;
int do_rtcp = false;
// Setting of default session
if(uname(&myname) < 0){
fprintf(stderr,"uname\n");
exit(1);
}
if((h = gethostbyname(myname.nodename)) == NULL) {
herror("gethostbyname");
exit(1);
}
ip_addr = strdup(inet_ntoa(*((struct in_addr *)h->h_addr)));
rx_port = 15002;
tx_port = 15000;
// Option
opterr = 0;
while((c = getopt(argc, argv, "acdehi:r:t:f:")) != -1){
switch (c) {
case 'a':
do_auth = 0;
break;
case 'c':
do_rtcp = 1;
break;
case 'd':
dump_pak = true;
break;
case 'e':
do_encrypt = 0;
break;
case 'h':
printf("Usage: ./test_rtp_client -i <IP_Addr> -r <rx_port> -t <tx_port> -f <filename>\n");
printf("Default values are as follows...\n");
printf("ip_addr = %s\n", ip_addr);
printf("rx_port = %d\n", rx_port);
printf("tx_port = %d\n", tx_port);
printf("Filename = %s\n", filename);
exit(-1);
case 'i':
strcpy(ip_addr, optarg);
break;
case 'r':
rx_port = atoi(optarg);
break;
case 't':
tx_port = atoi(optarg);
break;
case 'f':
strcpy(filename,optarg);
break;
case '?':
printf("usage: ./test_rtp_client -i <IP_Addr> -r <rx_port> -t <tx_port> -f <filename>\n");
exit(1);
}
}
if (optind < argc) {
for(; optind < argc; optind++) {
printf("error->%s(#%d): put -[i|r|t|f] \n", argv[optind],optind-1);
}
exit(1);
}
// display session information
printf("\n-Session Information-\n");
printf(" ip_addr = %s\n", ip_addr);
printf(" rx_port = %d\n", rx_port);
printf(" tx_port = %d\n", tx_port);
printf(" filename = %s\n", filename);
printf("Press Return key...");
// getchar();
// Open Original File to compare with received file
if((fd = open(filename, O_RDONLY)) == -1){
perror(filename);
exit(1);
}
rtp_stream_params_t rsp;
rtp_default_params(&rsp);
rsp.rtp_addr = ip_addr;
rsp.rtp_rx_port = rx_port;
rsp.rtp_tx_port = tx_port;
rsp.rtp_ttl = TTL;
rsp.rtcp_bandwidth = RTCP_BW;
rsp.rtp_callback = c_rtp_callback;
rsp.transmit_initial_rtcp = 1;
if ( (session = rtp_init_stream(&rsp) ) == NULL){
exit(-1);
}
rtp_set_my_ssrc(session,OUR_SSRC);
#ifdef HAVE_SRTP
/////////// start will
//set NULL security services
//uint32_t ssrc = 0xdeadbeef; /* ssrc value hardcoded for now */
srtp_policy_t policy;
char key[64];
char keystr[128];
uint ix;
#if 1
strcpy(keystr, "c1eec3717da76195bb878578790af71c4ee9f859e197a414a78d5abc7451");
hex_string_to_octet_string(key, keystr, 60);
#else
memset(key, 0, sizeof(key));
#endif
for (ix = 0; ix < 30; ix++) {
printf("%02x ", key[ix]);
}
printf("\n");
#if 0
// NULL cipher
policy.key = (uint8_t *) key;
policy.ssrc.type = ssrc_any_outbound; //ssrc_specific;
policy.ssrc.value = 0x96;//OUR_SSRC;
policy.rtp.cipher_type = NULL_CIPHER;
policy.rtp.cipher_key_len = 0;
policy.rtp.auth_type = NULL_AUTH;
policy.rtp.auth_key_len = 0;
policy.rtp.auth_tag_len = 0;
policy.rtp.sec_serv = sec_serv_none;
policy.rtcp.cipher_type = NULL_CIPHER;
policy.rtcp.cipher_key_len = 0;
policy.rtcp.auth_type = NULL_AUTH;
policy.rtcp.auth_key_len = 0;
policy.rtcp.auth_tag_len = 0;
policy.rtcp.sec_serv = sec_serv_none;
policy.next = NULL;
#else
//confidentiality only, no auth
crypto_policy_set_aes_cm_128_null_auth(&policy.rtp);
crypto_policy_set_rtcp_default(&policy.rtcp);
policy.ssrc.type = ssrc_any_outbound;
policy.key = (uint8_t *) key;
policy.next = NULL;
policy.rtp.sec_serv = sec_serv_conf;//sec_servs;
policy.rtcp.sec_serv = sec_serv_none; /* we don't do RTCP anyway */
#endif
err_status_t status;
printf("ABOUT TO SRTP_INIT\n");
status = srtp_init();
if (status) {
printf("error: srtp initialization failed with error code %d\n", status);
exit(1);
}
printf("ABOUT TO SRTP_CREAT\n");
srtp_ctx_t *srtp_ctx = NULL;
status = srtp_create(&srtp_ctx, &policy);
if (status) {
printf("error: srtp_create() failed with code %d\n", status);
exit(1);
}
printf("DONE WITH SRTP_CREATE\n");
extra_len = 0;
#else
extra_len = 0;
srtp_data = NULL;
#endif
rtp_encryption_params_t params;
params.rtp_encrypt = ENCRYPT_FUNCTION;
params.rtcp_encrypt = RTCP_ENCRYPT_FUNCTION;
params.rtp_decrypt = DECRYPT_FUNCTION;
params.rtcp_decrypt = RTCP_DECRYPT_FUNCTION;
params.userdata = srtp_data;
params.rtp_auth_alloc_extra = params.rtcp_auth_alloc_extra = 0;
rtp_set_encryption_params(session, ¶ms);
if (do_rtcp) {
rtcp_file = fopen("server.rtcp", FOPEN_WRITE_BINARY);
}
cur_pos = 0;
packet_size = 64;
number_of_packet = 0;
while(1) {
// change BUFFSIZE to be an incrementing value from 64 to 1450
if(packet_size > 1450)
packet_size = 725;
readit = read(fd, buff, packet_size);
if (readit < 0) {
perror("file read");
exit(1);
}
read_size = readit;
//int buflen = readit;
if (read_size == 0) break;
//printf("about to protect\n");
#if 0
sendit =
rtp_send_data(session,
cur_pos,
97,//pt
0,//m
0,//cc
NULL, //csrc[],
buff,//data
read_size,//data_len
NULL,//*extn
0,
0);
#else
{
struct iovec iov[2];
iov[0].iov_len = read_size % 48;
if (iov[0].iov_len == 0) iov[0].iov_len = 1;
iov[0].iov_base = buff;
iov[1].iov_len = read_size - iov[0].iov_len;
iov[1].iov_base = buff + iov[0].iov_len;
sendit = rtp_send_data_iov(session, cur_pos, 97, 0, 0, NULL,
iov, read_size > iov[0].iov_len ? 2 : 1,
NULL, 0, 0, 0);
}
#endif
if (sendit < 0) {
printf("rtp_send_data error\n");
exit(1);
}
if (do_rtcp)
rtp_send_ctrl(session, cur_pos, NULL);
printf("set timestamp = "U64", size %u\n", cur_pos, read_size);
cur_pos += read_size;
packet_size++;
number_of_packet++;
//rtp_periodic();
//rtp_send_ctrl(session,cur_pos,NULL);
rtp_update(session);
// Some sort of sleep here...
usleep(2 * 1000);
}
printf("I've sent %d RTP packets!\n\n", number_of_packet);
close(fd);
if (rtcp_file != NULL)
fclose(rtcp_file);
rtp_done(session);
return 0;
}
void *
os_sound_start_thread (void *_ca)
{
int i;
call_t *ca = (call_t *) _ca;
struct timeval timeout;
uint32_t rtp_ts, round;
uint8_t mulaw_buffer[MULAW_BYTES * 16];
int mulaw_buffer_pos;
#ifdef USE_PCM
char data_out[MULAW_BYTES * 2 * 16];
#endif
fprintf (stderr, "Sending and listening to ");
fprintf (stderr, "%s port %d (local SSRC = 0x%08x)\n",
rtp_get_addr (ca->rtp_session),
rtp_get_rx_port (ca->rtp_session), rtp_my_ssrc (ca->rtp_session));
round = 0;
mulaw_buffer_pos = 0;
while (ca->enable_audio != -1)
{
struct timeval t_beg;
struct timeval t_end;
struct timeval interval;
gettimeofday (&t_beg, NULL);
round++;
/* original line rtp_ts = round * MULAW_MS; */
rtp_ts = round * MULAW_BYTES;
if (ca->local_sendrecv != _RECVONLY)
{
if (mulaw_buffer_pos < MULAW_BYTES * 4)
{
/* Send control packets */
rtp_send_ctrl (ca->rtp_session, rtp_ts, NULL);
/* Send data packets */
#ifdef USE_PCM
i = read (ca->fd, data_out, MULAW_BYTES * 4);
if (ca->local_sendrecv == _SENDRECV
|| ca->local_sendrecv == _RECVONLY)
{
} else
{
if (i < MULAW_BYTES * 4)
{
memset (data_out, 0, MULAW_BYTES * 4);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"restarting: %i\n", i));
close (ca->fd);
/* send a wav file! */
ca->fd = open (ca->wav_file, O_RDONLY);
if (ca->fd < 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"Could not open wav file: %s\n",
ca->wav_file));
ca->fd = -1;
break;
}
i = read (ca->fd, data_out, MULAW_BYTES * 4);
}
}
if (ca->payload == 8) /* A-Law */
alaw_enc (data_out, mulaw_buffer + mulaw_buffer_pos, i);
if (ca->payload == 0) /* Mu-Law */
mulaw_enc (data_out, mulaw_buffer + mulaw_buffer_pos, i);
i = i / 2;
mulaw_buffer_pos = mulaw_buffer_pos + i;
#else
memset (mulaw_buffer + mulaw_buffer_pos, 0, MULAW_BYTES * 2);
i = read (ca->fd, mulaw_buffer + mulaw_buffer_pos, MULAW_BYTES * 2); /* ?? */
mulaw_buffer_pos = mulaw_buffer_pos + i;
#endif
}
i = 0;
if (mulaw_buffer_pos >= MULAW_BYTES)
{
i = rtp_send_data (ca->rtp_session, rtp_ts, ca->payload,
0, 0, 0, (char *) mulaw_buffer, MULAW_BYTES,
0, 0, 0);
memmove (mulaw_buffer, mulaw_buffer + MULAW_BYTES, MULAW_BYTES * 15);
mulaw_buffer_pos = mulaw_buffer_pos - MULAW_BYTES;
}
} else
{
/* Send control packets */
rtp_send_ctrl (ca->rtp_session, rtp_ts, NULL);
}
/* Receive control and data packets */
timeout.tv_sec = 0;
timeout.tv_usec = 0;
i = rtp_recv (ca->rtp_session, &timeout, rtp_ts);
/* State maintenance */
rtp_update (ca->rtp_session);
gettimeofday (&t_end, NULL);
/* make a diff between t_beg and t_end */
interval.tv_sec = t_end.tv_sec - t_beg.tv_sec;
interval.tv_usec = t_end.tv_usec - t_beg.tv_usec;
if (interval.tv_usec < 0)
{
interval.tv_usec += 1000000L;
--interval.tv_sec;
}
interval.tv_usec = (MULAW_MS * 1000 - interval.tv_usec);
if (interval.tv_usec < 0)
{
interval.tv_usec += 1000000L;
--interval.tv_sec;
}
if (interval.tv_sec < 0)
{
interval.tv_sec = 0;
interval.tv_usec = 0;
}
select (0, NULL, NULL, NULL, &interval);
}
return NULL;
}
