static void *ra_init(const char *device, unsigned rate, unsigned latency)
{
(void)latency;
int err;
roar_t *roar = (roar_t*)calloc(1, sizeof(roar_t));
if (roar == NULL)
return NULL;
roar_vs_t *vss;
if ((vss = roar_vs_new_simple(device, "RetroArch", rate, 2, ROAR_CODEC_PCM_S, 16, ROAR_DIR_PLAY, &err)) == NULL)
{
RARCH_ERR("RoarAudio: \"%s\"\n", roar_vs_strerr(err));
free(roar);
return NULL;
}
roar_vs_role(vss, ROAR_ROLE_GAME, NULL);
roar->vss = vss;
return roar;
}
/* Core streaming function for this module
* This is what actually produces the data which gets streamed.
*
* returns: >0 Number of bytes read
* 0 Non-fatal error.
* <0 Fatal error.
*/
static int roar_read(void *self, ref_buffer *rb)
{
ssize_t result;
int err;
im_roar_state *s = self;
roar_plugincontainer_appsched_trigger(s->plugins, ROAR_DL_APPSCHED_UPDATE);
rb->buf = malloc(BUFSIZE * roar_info2framesize(&s->info)/8);
if(!rb->buf)
return -1;
result = roar_vs_read(s->vss, rb->buf, BUFSIZE * roar_info2framesize(&s->info)/8, &err);
rb->len = result;
rb->aux_data = roar_info2bitspersec(&s->info)/8;
if(s->newtrack)
{
rb->critical = 1;
s->newtrack = 0;
}
if(result == -1 && err == ROAR_ERROR_INTERRUPTED)
{
return 0; /* Non-fatal error */
}
else if(result <= 0)
{
if(result == 0)
LOG_INFO0("Reached EOF, no more data available");
else
LOG_ERROR1("Error reading from sound server: %s", roar_vs_strerr(err));
free(rb->buf);
rb->buf = NULL;
return -1;
}
return rb->len;
}
input_module_t *roar_open_module(module_param_t *params)
{
input_module_t *mod = calloc(1, sizeof(input_module_t));
im_roar_state *s;
module_param_t *current;
const char * server = NULL;
int dir = ROAR_DIR_MONITOR;
enum { MD_NONE = 0, MD_FILE = 1, MD_STREAM = 2 } use_metadata = MD_STREAM;
int err;
mod->getdata = roar_read;
mod->handle_event = event_handler;
mod->metadata_update = metadata_update;
mod->internal = calloc(1, sizeof(im_roar_state));
s = mod->internal;
if(roar_profile2info(&s->info, "default") == -1)
{
LOG_ERROR1("Failed to get default audio profile: %s",
roar_error2str(roar_error));
return NULL;
}
s->info.bits = 16;
s->vss = NULL;
s->plugins = roar_plugincontainer_new_simple(IM_ROAR_APPNAME, IM_ROAR_ABIVERSION);
if (!s->plugins)
{
LOG_ERROR1("Failed to create plugin container: %s",
roar_error2str(roar_error));
return NULL;
}
thread_mutex_create(&s->metadatalock);
current = params;
while(current)
{
if(!strcmp(current->name, "rate"))
s->info.rate = roar_str2rate(current->value);
else if(!strcmp(current->name, "channels"))
s->info.channels = roar_str2channels(current->value);
else if(!strcmp(current->name, "codec"))
s->info.codec = roar_str2codec(current->value);
else if(!strcmp(current->name, "aiprofile")) {
if (roar_profile2info(&s->info, current->value) == -1) {
LOG_WARN2("Can not get audio info profile %s: %s", current->value, roar_error2str(roar_error));
}
s->info.bits = 16;
} else if(!strcmp(current->name, "dir")) {
if ( !strcasecmp(current->value, "monitor") ) {
dir = ROAR_DIR_MONITOR;
} else if ( !strcasecmp(current->value, "record") ) {
dir = ROAR_DIR_RECORD;
} else {
LOG_WARN2("Unknown value %s for parameter %s for roar module", current->value, current->name);
}
} else if(!strcmp(current->name, "device") || !strcmp(current->name, "server"))
server = current->value;
else if(!strcmp(current->name, "metadata")) {
if ( !strcasecmp(current->value, "none") ) {
use_metadata = MD_NONE;
} else if ( !strcasecmp(current->value, "file") ) {
use_metadata = MD_FILE;
} else if ( !strcasecmp(current->value, "stream") ) {
use_metadata = MD_STREAM;
} else {
use_metadata = atoi(current->value);
}
} else if(!strcmp(current->name, "metadatafilename")) {
ices_config->metadata_filename = current->value;
use_metadata = MD_FILE;
} else if(!strcmp(current->name, "plugin")) {
roar_plugin_load(mod, current->value);
} else
LOG_WARN1("Unknown parameter %s for roar module", current->name);
current = current->next;
}
mod->type = ICES_INPUT_PCM;
switch (s->info.codec) {
case ROAR_CODEC_PCM_LE:
mod->subtype = INPUT_PCM_LE_16;
break;
case ROAR_CODEC_PCM_BE:
mod->subtype = INPUT_PCM_BE_16;
break;
case ROAR_CODEC_OGG_GENERAL:
LOG_WARN0("Codec may not work, specify ogg_vorbis for Vorbis streaming");
case ROAR_CODEC_OGG_VORBIS:
mod->type = ICES_INPUT_VORBIS;
// we do not set mod->subtype here, strange design ices2 has...
break;
case -1:
LOG_ERROR0("Unknown Codec");
return NULL;
default:
LOG_ERROR1("Unsupported Codec: %s", roar_codec2str(s->info.codec));
return NULL;
}
roar_plugincontainer_appsched_trigger(s->plugins, ROAR_DL_APPSCHED_INIT);
/* Open the VS connection */
if ( (s->vss = roar_vs_new(server, IM_ROAR_PROGNAME, &err)) == NULL ) {
LOG_ERROR2("Failed to open sound server %s: %s",
server, roar_vs_strerr(err));
goto fail;
}
/* Now, set the required parameters on that device */
if ( roar_vs_stream(s->vss, &s->info, dir, &err) == -1 ) {
LOG_ERROR2("Failed to create a new stream on sound server %s: %s",
server, roar_vs_strerr(err));
goto fail;
}
if ( _set_flags(roar_vs_connection_obj(s->vss, NULL), roar_vs_stream_obj(s->vss, NULL),
ROAR_FLAG_META, ROAR_RESET_FLAG) != 0 ) {
LOG_WARN0("Can not reset metadata flag from stream");
}
/* We're done, and we didn't fail! */
LOG_INFO3("Opened sound server at %s at %d channel(s), %d Hz",
server, s->info.channels, s->info.rate);
switch (use_metadata) {
case MD_NONE:
break;
case MD_FILE:
LOG_INFO0("Starting metadata update thread");
if(ices_config->metadata_filename)
thread_create("im_roar-metadata", metadata_thread_signal, mod, 1);
else
thread_create("im_roar-metadata", metadata_thread_stdin, mod, 1);
break;
case MD_STREAM:
if ( _set_flags(roar_vs_connection_obj(s->vss, NULL), roar_vs_stream_obj(s->vss, NULL),
ROAR_FLAG_META, ROAR_SET_FLAG) != 0 ) {
LOG_WARN0("Can not set metadata flag from stream");
}
break;
}
return mod;
fail:
close_module(mod); /* safe, this checks for valid contents */
return NULL;
}
