static int start_rsd(int fd, rsound_t *rd)
{
int flags = fcntl(fd, F_GETFD);
if ( flags < 0 )
return -1;
if ( rd->conn.socket == -1 )
{
char *ident = "OSS emulation";
rsd_set_param(rd, RSD_IDENTITY, ident);
if ( rsd_start(rd) < 0 )
return -1;
}
// Now we should reroute our socket to fd
if ( dup2(rd->conn.socket, fd) < 0 )
return -1;
if ( flags & O_NONBLOCK )
{
int i = fd2index(fd);
if ( i >= 0 )
_rd[i].nonblock = 1;
else
return -1;
}
return 0;
}
static void *rs_init(const char *device, unsigned rate, unsigned latency)
{
int channels, format;
rsd_t *rsd = (rsd_t*)calloc(1, sizeof(rsd_t));
if (!rsd)
return NULL;
rsound_t *rd;
if (rsd_init(&rd) < 0)
{
free(rsd);
return NULL;
}
rsd->cond_lock = slock_new();
rsd->cond = scond_new();
rsd->buffer = fifo_new(1024 * 4);
channels = 2;
format = RSD_S16_NE;
rsd_set_param(rd, RSD_CHANNELS, &channels);
rsd_set_param(rd, RSD_SAMPLERATE, &rate);
rsd_set_param(rd, RSD_LATENCY, &latency);
if (device)
rsd_set_param(rd, RSD_HOST, (void*)device);
rsd_set_param(rd, RSD_FORMAT, &format);
rsd_set_callback(rd, rsound_audio_cb, err_cb, 256, rsd);
if (rsd_start(rd) < 0)
{
free(rsd);
rsd_free(rd);
return NULL;
}
rsd->rd = rd;
return rsd;
}
static int init(struct ao *ao)
{
struct priv *priv = ao->priv;
if (rsd_init(&priv->rd) < 0)
return -1;
if (priv->host && priv->host[0])
rsd_set_param(priv->rd, RSD_HOST, priv->host);
if (priv->port && priv->port[0])
rsd_set_param(priv->rd, RSD_PORT, priv->port);
// Actual channel layout unknown.
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext_def(&sel);
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels)) {
rsd_free(priv->rd);
return -1;
}
rsd_set_param(priv->rd, RSD_SAMPLERATE, (int[]) { ao->samplerate });
static int init(struct ao *ao)
{
struct priv *priv = ao->priv;
if (rsd_init(&priv->rd) < 0)
return -1;
if (priv->host && priv->host[0])
rsd_set_param(priv->rd, RSD_HOST, priv->host);
if (priv->port && priv->port[0])
rsd_set_param(priv->rd, RSD_PORT, priv->port);
// Actual channel layout unknown.
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext_def(&sel);
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels)) {
rsd_free(priv->rd);
return -1;
}
rsd_set_param(priv->rd, RSD_SAMPLERATE, &ao->samplerate);
rsd_set_param(priv->rd, RSD_CHANNELS, &ao->channels.num);
ao->format = af_fmt_from_planar(ao->format);
int rsd_format = set_format(ao);
rsd_set_param(priv->rd, RSD_FORMAT, &rsd_format);
if (rsd_start(priv->rd) < 0) {
rsd_free(priv->rd);
return -1;
}
return 0;
}
static int open_generic(const char* path, int largefile, int flags, mode_t mode)
{
if ( path == NULL )
{
errno = EFAULT;
return -1;
}
// We should use the OS calls directly.
if ( !is_oss_path(path) )
{
if ( largefile )
return _os.open64(path, flags, mode);
else
return _os.open(path, flags, mode);
}
// Let's fake this call! :D
// Search for a vacant fd
int i = get_vacant_fd();
if ( i == -1 ) // We couldn't find a vacant fd.
return -1;
if ( rsd_init(&_rd[i].rd) < 0 )
return -1;
// Sets some sane defaults
int rate = 44100;
int channels = 2;
rsd_set_param(_rd[i].rd, RSD_SAMPLERATE, &rate);
rsd_set_param(_rd[i].rd, RSD_CHANNELS, &channels);
int bufsiz = BUFSIZE;
rsd_set_param(_rd[i].rd, RSD_BUFSIZE, &bufsiz);
int fds[2];
if ( pipe(fds) < 0 )
{
goto error;
}
_os.close(fds[0]);
_rd[i].fd = fds[1];
// Let's check the flags
if ( flags & O_NONBLOCK )
{
_rd[i].nonblock = 1;
if ( fcntl(fds[1], F_SETFL, O_NONBLOCK) < 0 )
{
goto error;
}
}
if ( flags & O_RDONLY ) // We do not support this.
{
errno = EINVAL;
goto error;
}
return fds[1];
error:
rsd_free(_rd[i].rd);
_rd[i].rd = NULL;
_rd[i].fd = -1;
_rd[i].nonblock = 0;
_rd[i].bytes = 0;
return -1;
}
int driver_rsound_open (struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream) {
rsound_t * self;
int tmp, tmp2;
if ( fh != -1 )
return -1;
if ( rsd_init(&self) == -1 ) {
ROAR_DBG("driver_rsound_open(*): rsd_init(&self) failed.");
return -1;
}
if ( device != NULL ) {
if ( rsd_set_param(self, RSD_HOST, device) == -1 ) {
ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_HOST, device) failed.");
rsd_free(self);
return -1;
}
}
tmp = info->channels;
if ( rsd_set_param(self, RSD_CHANNELS, &tmp) == -1 ) {
ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_CHANNELS, &tmp) failed.");
rsd_free(self);
return -1;
}
if ( tmp != info->channels ) {
rsd_free(self);
return -1;
}
tmp = info->rate;
if ( rsd_set_param(self, RSD_SAMPLERATE, &tmp) == -1 ) {
ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_SAMPLERATE, &tmp) failed.");
rsd_free(self);
return -1;
}
if ( tmp != info->rate ) {
rsd_free(self);
return -1;
}
tmp = -1; // unknown by RSound
switch (info->codec) {
case ROAR_CODEC_PCM_S_LE:
switch (info->bits) {
case 8: tmp = RSD_S8; break;
case 16: tmp = RSD_S16_LE; break;
}
break;
case ROAR_CODEC_PCM_S_BE:
switch (info->bits) {
case 8: tmp = RSD_S8; break;
case 16: tmp = RSD_S16_BE; break;
}
break;
case ROAR_CODEC_PCM_S_PDP:
switch (info->bits) {
case 8: tmp = RSD_S8; break;
}
break;
case ROAR_CODEC_PCM_U_LE:
switch (info->bits) {
case 8: tmp = RSD_U8; break;
case 16: tmp = RSD_U16_LE; break;
}
break;
case ROAR_CODEC_PCM_U_BE:
switch (info->bits) {
case 8: tmp = RSD_U8; break;
case 16: tmp = RSD_U16_BE; break;
}
break;
case ROAR_CODEC_PCM_U_PDP:
switch (info->bits) {
case 8: tmp = RSD_U8; break;
}
break;
}
if ( tmp == -1 ) {
ROAR_DBG("driver_rsound_open(*): Codec/Bits not supported by RSound");
rsd_free(self);
return -1;
}
tmp2 = tmp;
if ( rsd_set_param(self, RSD_FORMAT, &tmp) == -1 ) {
ROAR_DBG("driver_rsound_open(*): rsd_set_param(self, RSD_FORMAT, &tmp={0x%x->0x%x}) failed.", tmp2, tmp);
rsd_free(self);
return -1;
}
if ( tmp != tmp2 ) {
rsd_free(self);
return -1;
}
if ( rsd_start(self) == -1 ) {
ROAR_DBG("driver_rsound_open(*): rsd_start(self) failed.");
rsd_free(self);
return -1;
}
memset(inst, 0, sizeof(struct roar_vio_calls));
inst->inst = self;
inst->close = driver_rsound_close;
inst->write = driver_rsound_write;
return 0;
}