diff options
Diffstat (limited to 'backends/winmidi.c')
| -rw-r--r-- | backends/winmidi.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/backends/winmidi.c b/backends/winmidi.c index 2c52a22..4c72c32 100644 --- a/backends/winmidi.c +++ b/backends/winmidi.c @@ -181,6 +181,11 @@ static int winmidi_set(instance* inst, size_t num, channel** c, channel_value* v }; size_t u; + //early exit + if(!num){ + return 0; + } + if(!data->device_out){ fprintf(stderr, "winmidi instance %s has no output device\n", inst->name); return 0; @@ -433,9 +438,12 @@ static int winmidi_start(){ int device, rv = -1; instance** inst = NULL; winmidi_instance_data* data = NULL; - struct sockaddr_storage sockadd; + struct sockaddr_storage sockadd = { + 0 + }; //this really should be a size_t but getsockname specifies int* for some reason int sockadd_len = sizeof(sockadd); + char* error = NULL; DBGPF("winmidi main thread ID is %ld\n", GetCurrentThreadId()); //fetch all instances @@ -457,18 +465,41 @@ static int winmidi_start(){ } //open the feedback sockets - backend_config.socket_pair[0] = mmbackend_socket(NULL, "0", SOCK_DGRAM, 1, 0); + //for some reason this while construct fails to work on 'real' windows with ipv6 + backend_config.socket_pair[0] = mmbackend_socket("127.0.0.1", "0", SOCK_DGRAM, 1, 0); if(backend_config.socket_pair[0] < 0){ fprintf(stderr, "winmidi failed to open feedback socket\n"); return 1; } if(getsockname(backend_config.socket_pair[0], (struct sockaddr*) &sockadd, &sockadd_len)){ - fprintf(stderr, "winmidi failed to query feedback socket information\n"); + FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, WSAGetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &error, 0, NULL); + fprintf(stderr, "winmidi failed to query feedback socket information: %s\n", error); + LocalFree(error); return 1; } + //getsockname on 'real' windows may not set the adress - works on wine, though + switch(sockadd.ss_family){ + case AF_INET: + case AF_INET6: + ((struct sockaddr_in*) &sockadd)->sin_family = AF_INET; + ((struct sockaddr_in*) &sockadd)->sin_addr.s_addr = htobe32(INADDR_LOOPBACK); + break; + //for some absurd reason 'real' windows announces the socket as AF_INET6 but rejects any connection unless its AF_INET +// case AF_INET6: +// ((struct sockaddr_in6*) &sockadd)->sin6_addr = in6addr_any; +// break; + default: + fprintf(stderr, "winmidi invalid feedback socket family\n"); + return 1; + } + DBGPF("winmidi feedback socket family %d port %d\n", sockadd.ss_family, be16toh(((struct sockaddr_in*)&sockadd)->sin_port)); backend_config.socket_pair[1] = socket(sockadd.ss_family, SOCK_DGRAM, IPPROTO_UDP); if(backend_config.socket_pair[1] < 0 || connect(backend_config.socket_pair[1], (struct sockaddr*) &sockadd, sockadd_len)){ - fprintf(stderr, "winmidi failed to connect to feedback socket\n"); + FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, WSAGetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &error, 0, NULL); + fprintf(stderr, "winmidi failed to connect to feedback socket: %s\n", error); + LocalFree(error); return 1; } |