void receiver_test() {
krad_rebuilder_t *krad_rebuilder;
int port;
int sd;
int ret;
int slen;
unsigned char *buffer;
unsigned char *packet_buffer;
struct sockaddr_in local_address;
struct sockaddr_in remote_address;
slen = sizeof (remote_address);
buffer = calloc (1, 2000);
packet_buffer = calloc (1, 200000);
sd = socket (AF_INET, SOCK_DGRAM, 0);
port = TEST_PORT;
krad_rebuilder = krad_rebuilder_create ();
memset((char *) &local_address, 0, sizeof(local_address));
local_address.sin_family = AF_INET;
local_address.sin_port = htons (port);
local_address.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind (sd, (struct sockaddr *)&local_address, sizeof(local_address)) == -1 ) {
printf("bind error\n");
exit(1);
}
while (1) {
ret = recvfrom(sd, buffer, 2000, 0, (struct sockaddr *)&remote_address, (socklen_t *)&slen);
if (ret == -1) {
printf("failed recvin udp\n");
exit(1);
}
//printf("Received packet from %s:%d\n",
// inet_ntoa(remote_address.sin_addr), ntohs(remote_address.sin_port));
krad_rebuilder_write (krad_rebuilder, buffer, ret);
ret = krad_rebuilder_read_packet (krad_rebuilder, packet_buffer, 1);
if (ret != 0) {
printf("read a packet with %d bytes: -%s-\n", ret, packet_buffer);
}
}
krad_rebuilder_destroy (krad_rebuilder);
close (sd);
free (packet_buffer);
free (buffer);
}
void kr_udp_recvr (kr_udp_recvr_t *udp_recvr, int port) {
krad_rebuilder_t *krad_rebuilder;
int sd;
int keyframe;
int started;
int ret;
int slen;
unsigned char *buffer;
unsigned char *packet_buffer;
struct sockaddr_in local_address;
struct sockaddr_in remote_address;
struct SwsContext *scaler;
struct pollfd pollfds[4];
scaler = NULL;
started = 0;
slen = sizeof (remote_address);
buffer = calloc (1, 45000);
packet_buffer = calloc (1, 2300000);
sd = socket (AF_INET, SOCK_DGRAM, 0);
krad_rebuilder = krad_rebuilder_create ();
memset((char *) &local_address, 0, sizeof(local_address));
local_address.sin_family = AF_INET;
local_address.sin_port = htons (port);
local_address.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind (sd, (struct sockaddr *)&local_address, sizeof(local_address)) == -1 ) {
printf("bind error\n");
exit(1);
}
kr_udp_recvr_alloc_framebuf (udp_recvr);
udp_recvr->vpxdec = krad_vpx_decoder_create ();
while (1) {
if (destroy == 1) {
printf ("Got signal!\n");
break;
}
pollfds[0].fd = kr_wayland_get_fd(udp_recvr->wayland);
pollfds[0].events = POLLIN;
pollfds[1].fd = sd;
pollfds[1].events = POLLIN;
ret = poll (pollfds, 2, 1);
if (ret < 0) {
break;
}
if (pollfds[0].revents == POLLIN) {
kr_wayland_process(udp_recvr->wayland);
}
if (pollfds[1].revents == POLLIN) {
ret = recvfrom (sd, buffer, 2000, 0, (struct sockaddr *)&remote_address, (socklen_t *)&slen);
if (ret == -1) {
printf("failed recvin udp\n");
exit (1);
}
//printf ("Received packet from %s:%d\n",
// inet_ntoa(remote_address.sin_addr), ntohs(remote_address.sin_port));
krad_rebuilder_write (krad_rebuilder, buffer, ret);
ret = krad_rebuilder_read_packet (krad_rebuilder, packet_buffer, 1, &keyframe);
if (ret != 0) {
//printf ("read a packet with %d bytes key: %d \n", ret, keyframe);
if ((started == 1) || ((started == 0) && (keyframe == 1))) {
started = 1;
} else {
continue;
}
krad_vpx_decoder_decode (udp_recvr->vpxdec, packet_buffer, ret);
while (udp_recvr->vpxdec->img != NULL) {
int rgb_stride_arr[3] = {4*udp_recvr->width, 0, 0};
uint8_t *dst[4];
scaler = sws_getCachedContext ( scaler,
udp_recvr->vpxdec->width,
udp_recvr->vpxdec->height,
PIX_FMT_YUV420P,
udp_recvr->width,
udp_recvr->height,
PIX_FMT_RGB32,
SWS_BICUBIC,
NULL, NULL, NULL);
int pos = ((udp_recvr->frames_dec + 1) % udp_recvr->framebufsize) * udp_recvr->frame_size;
dst[0] = (unsigned char *)udp_recvr->rgba + pos;
sws_scale (scaler,
(const uint8_t * const*)udp_recvr->vpxdec->img->planes,
udp_recvr->vpxdec->img->stride,
0, udp_recvr->vpxdec->height,
dst, rgb_stride_arr);
udp_recvr->frames_dec++;
//printf ("Received frame!\n");
krad_vpx_decoder_decode_again (udp_recvr->vpxdec);
}
}
}
}
krad_vpx_decoder_destroy (&udp_recvr->vpxdec);
kr_udp_recvr_free_framebuf (udp_recvr);
krad_rebuilder_destroy (krad_rebuilder);
close (sd);
sws_freeContext ( scaler );
free (packet_buffer);
free (buffer);
}