static int
oss_play (void) {
if (!oss_tid) {
if (oss_init () < 0) {
return -1;
}
}
state = OUTPUT_STATE_PLAYING;
return 0;
}
static void audio_init( void)
{
static int initted = 0;
if (initted)
return;
initted = 1;
#ifdef USEAPI_OSS
oss_init();
#endif
}
int main(int argc, char *argv[])
{
int rc = -1, n, priority;
const char *importer, *scanner, *geo;
char *endptr;
size_t nctl;
double speed;
struct timecode_def *timecode;
bool protect, use_mlock, phono;
struct controller ctl[2];
struct rt rt;
struct library library;
#if defined WITH_OSS || WITH_ALSA
int rate;
#endif
#ifdef WITH_OSS
int oss_buffers, oss_fragment;
#endif
#ifdef WITH_ALSA
int alsa_buffer;
#endif
fprintf(stderr, "%s\n\n" NOTICE "\n\n", banner);
if (thread_global_init() == -1)
return -1;
if (rig_init() == -1)
return -1;
rt_init(&rt);
library_init(&library);
ndeck = 0;
geo = "";
nctl = 0;
priority = DEFAULT_PRIORITY;
importer = DEFAULT_IMPORTER;
scanner = DEFAULT_SCANNER;
timecode = NULL;
speed = 1.0;
protect = false;
phono = false;
use_mlock = false;
#if defined WITH_OSS || WITH_ALSA
rate = DEFAULT_RATE;
#endif
#ifdef WITH_ALSA
alsa_buffer = DEFAULT_ALSA_BUFFER;
#endif
#ifdef WITH_OSS
oss_fragment = DEFAULT_OSS_FRAGMENT;
oss_buffers = DEFAULT_OSS_BUFFERS;
#endif
/* Skip over command name */
argv++;
argc--;
while (argc > 0) {
if (!strcmp(argv[0], "-h")) {
usage(stdout);
return 0;
#ifdef WITH_OSS
} else if (!strcmp(argv[0], "-f")) {
/* Set fragment size for subsequent devices */
if (argc < 2) {
fprintf(stderr, "-f requires an integer argument.\n");
return -1;
}
oss_fragment = strtol(argv[1], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "-f requires an integer argument.\n");
return -1;
}
/* Fragment sizes greater than the default aren't useful
* as they are dependent on DEVICE_FRAME */
if (oss_fragment < DEFAULT_OSS_FRAGMENT) {
fprintf(stderr, "Fragment size must be %d or more; aborting.\n",
DEFAULT_OSS_FRAGMENT);
return -1;
}
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-b")) {
/* Set number of buffers for subsequent devices */
if (argc < 2) {
fprintf(stderr, "-b requires an integer argument.\n");
return -1;
}
oss_buffers = strtol(argv[1], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "-b requires an integer argument.\n");
return -1;
}
argv += 2;
argc -= 2;
#endif
#if defined WITH_OSS || WITH_ALSA
} else if (!strcmp(argv[0], "-r")) {
/* Set sample rate for subsequence devices */
if (argc < 2) {
fprintf(stderr, "-r requires an integer argument.\n");
return -1;
}
rate = strtol(argv[1], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "-r requires an integer argument.\n");
return -1;
}
argv += 2;
argc -= 2;
#endif
#ifdef WITH_ALSA
} else if (!strcmp(argv[0], "-m")) {
/* Set size of ALSA buffer for subsequence devices */
if (argc < 2) {
fprintf(stderr, "-m requires an integer argument.\n");
return -1;
}
alsa_buffer = strtol(argv[1], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "-m requires an integer argument.\n");
return -1;
}
argv += 2;
argc -= 2;
#endif
} else if (!strcmp(argv[0], "-d") || !strcmp(argv[0], "-a") ||
!strcmp(argv[0], "-j"))
{
int r;
unsigned int sample_rate;
struct deck *ld;
struct device *device;
struct timecoder *timecoder;
/* Create a deck */
if (argc < 2) {
fprintf(stderr, "-%c requires a device name as an argument.\n",
argv[0][1]);
return -1;
}
if (ndeck == ARRAY_SIZE(deck)) {
fprintf(stderr, "Too many decks; aborting.\n");
return -1;
}
fprintf(stderr, "Initialising deck %zd (%s)...\n", ndeck, argv[1]);
ld = &deck[ndeck];
device = &ld->device;
timecoder = &ld->timecoder;
ld->importer = importer;
ld->protect = protect;
/* Work out which device type we are using, and initialise
* an appropriate device. */
switch(argv[0][1]) {
#ifdef WITH_OSS
case 'd':
r = oss_init(device, argv[1], rate, oss_buffers, oss_fragment);
break;
#endif
#ifdef WITH_ALSA
case 'a':
r = alsa_init(device, argv[1], rate, alsa_buffer);
break;
#endif
#ifdef WITH_JACK
case 'j':
r = jack_init(device, argv[1]);
break;
#endif
default:
fprintf(stderr, "Device type is not supported by this "
"distribution of xwax.\n");
return -1;
}
if (r == -1)
return -1;
sample_rate = device_sample_rate(device);
/* Default timecode decoder where none is specified */
if (timecode == NULL) {
timecode = timecoder_find_definition(DEFAULT_TIMECODE);
assert(timecode != NULL);
}
timecoder_init(timecoder, timecode, speed, sample_rate, phono);
/* Connect up the elements to make an operational deck */
r = deck_init(ld, &rt, ndeck);
if (r == -1)
return -1;
/* Connect this deck to available controllers */
for (n = 0; n < nctl; n++)
controller_add_deck(&ctl[n], &deck[ndeck]);
/* Connect this deck to OSC server */
osc_add_deck();
ndeck++;
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-t")) {
/* Set the timecode definition to use */
if (argc < 2) {
fprintf(stderr, "-t requires a name as an argument.\n");
return -1;
}
timecode = timecoder_find_definition(argv[1]);
if (timecode == NULL) {
fprintf(stderr, "Timecode '%s' is not known.\n", argv[1]);
return -1;
}
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-33")) {
speed = 1.0;
argv++;
argc--;
} else if (!strcmp(argv[0], "-45")) {
speed = 1.35;
argv++;
argc--;
} else if (!strcmp(argv[0], "-c")) {
protect = true;
argv++;
argc--;
} else if (!strcmp(argv[0], "-u")) {
protect = false;
argv++;
argc--;
} else if (!strcmp(argv[0], "--line")) {
phono = false;
argv++;
argc--;
} else if (!strcmp(argv[0], "--phono")) {
phono = true;
argv++;
argc--;
} else if (!strcmp(argv[0], "-k")) {
use_mlock = true;
track_use_mlock();
argv++;
argc--;
} else if (!strcmp(argv[0], "-q")) {
if (argc < 2) {
fprintf(stderr, "-q requires an integer argument.\n");
return -1;
}
priority = strtol(argv[1], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "-q requires an integer argument.\n");
return -1;
}
if (priority < 0) {
fprintf(stderr, "Priority (%d) must be zero or positive.\n",
priority);
return -1;
}
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-g")) {
if (argc < 2) {
fprintf(stderr, "-g requires an argument.\n");
return -1;
}
geo = argv[1];
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-i")) {
/* Importer script for subsequent decks */
if (argc < 2) {
fprintf(stderr, "-i requires an executable path "
"as an argument.\n");
return -1;
}
importer = argv[1];
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-s")) {
/* Scan script for subsequent libraries */
if (argc < 2) {
fprintf(stderr, "-s requires an executable path "
"as an argument.\n");
return -1;
}
scanner = argv[1];
argv += 2;
argc -= 2;
} else if (!strcmp(argv[0], "-l")) {
/* Load in a music library */
if (argc < 2) {
fprintf(stderr, "-%c requires a pathname as an argument.\n",
argv[0][1]);
return -1;
}
if (library_import(&library, scanner, argv[1]) == -1)
return -1;
argv += 2;
argc -= 2;
#ifdef WITH_ALSA
} else if (!strcmp(argv[0], "--dicer")) {
struct controller *c;
if (nctl == sizeof ctl) {
fprintf(stderr, "Too many controllers; aborting.\n");
return -1;
}
c = &ctl[nctl];
if (argc < 2) {
fprintf(stderr, "Dicer requires an ALSA device name.\n");
return -1;
}
if (dicer_init(c, &rt, argv[1]) == -1)
return -1;
nctl++;
argv += 2;
argc -= 2;
#endif
} else {
fprintf(stderr, "'%s' argument is unknown; try -h.\n", argv[0]);
return -1;
}
}
#ifdef WITH_ALSA
alsa_clear_config_cache();
#endif
if (ndeck == 0) {
fprintf(stderr, "You need to give at least one audio device to use "
"as a deck; try -h.\n");
return -1;
}
rc = EXIT_FAILURE; /* until clean exit */
if (osc_start((struct deck *)&deck, &library) == -1)
return -1;
osc_start_updater_thread();
/* Order is important: launch realtime thread first, then mlock.
* Don't mlock the interface, use sparingly for audio threads */
if (rt_start(&rt, priority) == -1)
return -1;
if (use_mlock && mlockall(MCL_CURRENT) == -1) {
perror("mlockall");
goto out_rt;
}
if (interface_start(&library, geo) == -1)
goto out_rt;
if (rig_main() == -1)
goto out_interface;
rc = EXIT_SUCCESS;
fprintf(stderr, "Exiting cleanly...\n");
out_interface:
interface_stop();
out_rt:
rt_stop(&rt);
for (n = 0; n < ndeck; n++)
deck_clear(&deck[n]);
for (n = 0; n < nctl; n++)
controller_clear(&ctl[n]);
timecoder_free_lookup();
library_clear(&library);
rt_clear(&rt);
rig_clear();
osc_stop();
thread_global_clear();
if (rc == EXIT_SUCCESS)
fprintf(stderr, "Done.\n");
return rc;
}