struct hdhomerun_video_sock_t *hdhomerun_video_create(uint16_t listen_port, size_t buffer_size)
{
/* Create object. */
struct hdhomerun_video_sock_t *vs = (struct hdhomerun_video_sock_t *)calloc(1, sizeof(struct hdhomerun_video_sock_t));
if (!vs) {
return NULL;
}
pthread_mutex_init(&vs->lock, NULL);
/* Reset sequence tracking. */
hdhomerun_video_flush(vs);
/* Buffer size. */
vs->buffer_size = (buffer_size / VIDEO_DATA_PACKET_SIZE) * VIDEO_DATA_PACKET_SIZE;
if (vs->buffer_size == 0) {
free(vs);
return NULL;
}
vs->buffer_size += VIDEO_DATA_PACKET_SIZE;
/* Create buffer. */
vs->buffer = (uint8_t *)malloc(vs->buffer_size);
if (!vs->buffer) {
free(vs);
return NULL;
}
/* Create socket. */
vs->sock = (int)socket(AF_INET, SOCK_DGRAM, 0);
if (vs->sock == -1) {
free(vs->buffer);
free(vs);
return NULL;
}
/* Expand socket buffer size. */
int rx_size = 1024 * 1024;
setsockopt(vs->sock, SOL_SOCKET, SO_RCVBUF, (char *)&rx_size, sizeof(rx_size));
/* Set timeouts. */
setsocktimeout(vs->sock, SOL_SOCKET, SO_SNDTIMEO, 1000);
setsocktimeout(vs->sock, SOL_SOCKET, SO_RCVTIMEO, 1000);
/* Bind socket. */
if (!hdhomerun_video_bind_sock(vs, listen_port)) {
close(vs->sock);
free(vs->buffer);
free(vs);
return NULL;
}
/* Start thread. */
if (pthread_create(&vs->thread, NULL, &hdhomerun_video_thread_execute, vs) != 0) {
close(vs->sock);
free(vs->buffer);
free(vs);
return NULL;
}
/* Success. */
return vs;
}
struct hdhomerun_video_sock_t *hdhomerun_video_create(uint16_t listen_port, bool_t allow_port_reuse, size_t buffer_size, struct hdhomerun_debug_t *dbg)
{
/* Create object. */
struct hdhomerun_video_sock_t *vs = (struct hdhomerun_video_sock_t *)calloc(1, sizeof(struct hdhomerun_video_sock_t));
if (!vs) {
hdhomerun_debug_printf(dbg, "hdhomerun_video_create: failed to allocate video object\n");
return NULL;
}
vs->dbg = dbg;
vs->sock = HDHOMERUN_SOCK_INVALID;
pthread_mutex_init(&vs->lock, NULL);
/* Reset sequence tracking. */
hdhomerun_video_flush(vs);
/* Buffer size. */
vs->buffer_size = (buffer_size / VIDEO_DATA_PACKET_SIZE) * VIDEO_DATA_PACKET_SIZE;
if (vs->buffer_size == 0) {
hdhomerun_debug_printf(dbg, "hdhomerun_video_create: invalid buffer size (%lu bytes)\n", (unsigned long)buffer_size);
goto error;
}
vs->buffer_size += VIDEO_DATA_PACKET_SIZE;
/* Create buffer. */
vs->buffer = (uint8_t *)malloc(vs->buffer_size);
if (!vs->buffer) {
hdhomerun_debug_printf(dbg, "hdhomerun_video_create: failed to allocate buffer (%lu bytes)\n", (unsigned long)vs->buffer_size);
goto error;
}
/* Create socket. */
vs->sock = hdhomerun_sock_create_udp();
if (vs->sock == HDHOMERUN_SOCK_INVALID) {
hdhomerun_debug_printf(dbg, "hdhomerun_video_create: failed to allocate socket\n");
goto error;
}
/* Expand socket buffer size. */
int rx_size = 1024 * 1024;
setsockopt(vs->sock, SOL_SOCKET, SO_RCVBUF, (char *)&rx_size, sizeof(rx_size));
/* Bind socket. */
if (!hdhomerun_sock_bind(vs->sock, INADDR_ANY, listen_port, allow_port_reuse)) {
hdhomerun_debug_printf(dbg, "hdhomerun_video_create: failed to bind socket (port %u)\n", listen_port);
goto error;
}
/* Start thread. */
if (pthread_create(&vs->thread, NULL, &hdhomerun_video_thread_execute, vs) != 0) {
hdhomerun_debug_printf(dbg, "hdhomerun_video_create: failed to start thread\n");
goto error;
}
/* Success. */
return vs;
error:
if (vs->sock != HDHOMERUN_SOCK_INVALID) {
hdhomerun_sock_destroy(vs->sock);
}
if (vs->buffer) {
free(vs->buffer);
}
free(vs);
return NULL;
}
