static int parse_sample_format(pa_config_parser_state *state) {
pa_daemon_conf *c;
pa_sample_format_t f;
pa_assert(state);
c = state->data;
if ((f = pa_parse_sample_format(state->rvalue)) < 0) {
pa_log(_("[%s:%u] Invalid sample format '%s'."), state->filename, state->lineno, state->rvalue);
return -1;
}
c->default_sample_spec.format = f;
return 0;
}
static int parse_sample_format(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
pa_daemon_conf *c = data;
pa_sample_format_t f;
pa_assert(filename);
pa_assert(lvalue);
pa_assert(rvalue);
pa_assert(data);
if ((f = pa_parse_sample_format(rvalue)) < 0) {
pa_log(_("[%s:%u] Invalid sample format '%s'."), filename, line, rvalue);
return -1;
}
c->default_sample_spec.format = f;
return 0;
}
static int read_backend_default_spec(pa_sample_spec *sample_spec) {
/* Read spec from backend */
char *out;
out = read_param("default-format");
sample_spec->format = pa_parse_sample_format(out);
free(out);
out = read_param("default-rate");
sample_spec->rate = atoi(out);
free(out);
out = read_param("default-channels");
sample_spec->channels = atoi(out);
free(out);
return 0;
}
/* For PCM streams */
int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
char *sf = NULL, *m = NULL;
int rate, channels;
int ret = -PA_ERR_INVALID;
pa_assert(f);
pa_assert(ss);
if (!pa_format_info_is_pcm(f))
return pa_format_info_to_sample_spec_fake(f, ss);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_SAMPLE_FORMAT, &sf))
goto out;
if (pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate))
goto out;
if (pa_format_info_get_prop_int(f, PA_PROP_FORMAT_CHANNELS, &channels))
goto out;
if ((ss->format = pa_parse_sample_format(sf)) == PA_SAMPLE_INVALID)
goto out;
ss->rate = (uint32_t) rate;
ss->channels = (uint8_t) channels;
if (map) {
pa_channel_map_init(map);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_CHANNEL_MAP, &m) == 0)
if (pa_channel_map_parse(map, m) == NULL)
goto out;
}
ret = 0;
out:
if (sf)
pa_xfree(sf);
if (m)
pa_xfree(m);
return ret;
}
/* For PCM streams */
pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
char *sf = NULL, *m = NULL;
int rate, channels;
pa_bool_t ret = FALSE;
pa_assert(f);
pa_assert(ss);
pa_return_val_if_fail(f->encoding == PA_ENCODING_PCM, FALSE);
if (!pa_format_info_get_prop_string(f, PA_PROP_FORMAT_SAMPLE_FORMAT, &sf))
goto out;
if (!pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate))
goto out;
if (!pa_format_info_get_prop_int(f, PA_PROP_FORMAT_CHANNELS, &channels))
goto out;
if ((ss->format = pa_parse_sample_format(sf)) == PA_SAMPLE_INVALID)
goto out;
ss->rate = (uint32_t) rate;
ss->channels = (uint8_t) channels;
if (map) {
pa_channel_map_init(map);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_CHANNEL_MAP, &m))
if (pa_channel_map_parse(map, m) == NULL)
goto out;
}
ret = TRUE;
out:
if (sf)
pa_xfree(sf);
if (m)
pa_xfree(m);
return ret;
}
int main(int argc, char *argv[]) {
pa_mainloop* m = NULL;
int ret = 1, c;
char *bn, *server = NULL;
pa_time_event *time_event = NULL;
const char *filename = NULL;
static const struct option long_options[] = {
{"record", 0, NULL, 'r'},
{"playback", 0, NULL, 'p'},
{"device", 1, NULL, 'd'},
{"server", 1, NULL, 's'},
{"client-name", 1, NULL, 'n'},
{"stream-name", 1, NULL, ARG_STREAM_NAME},
{"version", 0, NULL, ARG_VERSION},
{"help", 0, NULL, 'h'},
{"verbose", 0, NULL, 'v'},
{"volume", 1, NULL, ARG_VOLUME},
{"rate", 1, NULL, ARG_SAMPLERATE},
{"format", 1, NULL, ARG_SAMPLEFORMAT},
{"channels", 1, NULL, ARG_CHANNELS},
{"channel-map", 1, NULL, ARG_CHANNELMAP},
{"fix-format", 0, NULL, ARG_FIX_FORMAT},
{"fix-rate", 0, NULL, ARG_FIX_RATE},
{"fix-channels", 0, NULL, ARG_FIX_CHANNELS},
{"no-remap", 0, NULL, ARG_NO_REMAP},
{"no-remix", 0, NULL, ARG_NO_REMIX},
{"latency", 1, NULL, ARG_LATENCY},
{"process-time", 1, NULL, ARG_PROCESS_TIME},
{"property", 1, NULL, ARG_PROPERTY},
{"raw", 0, NULL, ARG_RAW},
{"file-format", 2, NULL, ARG_FILE_FORMAT},
{"list-file-formats", 0, NULL, ARG_LIST_FILE_FORMATS},
{"latency-msec", 1, NULL, ARG_LATENCY_MSEC},
{"process-time-msec", 1, NULL, ARG_PROCESS_TIME_MSEC},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
bn = pa_path_get_filename(argv[0]);
if (strstr(bn, "play")) {
mode = PLAYBACK;
raw = FALSE;
} else if (strstr(bn, "record")) {
mode = RECORD;
raw = FALSE;
} else if (strstr(bn, "cat")) {
mode = PLAYBACK;
raw = TRUE;
} if (strstr(bn, "rec") || strstr(bn, "mon")) {
mode = RECORD;
raw = TRUE;
}
proplist = pa_proplist_new();
while ((c = getopt_long(argc, argv, "rpd:s:n:hv", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
help(bn);
ret = 0;
goto quit;
case ARG_VERSION:
printf(_("pacat %s\n"
"Compiled with libpulse %s\n"
"Linked with libpulse %s\n"),
PACKAGE_VERSION,
pa_get_headers_version(),
pa_get_library_version());
ret = 0;
goto quit;
case 'r':
mode = RECORD;
break;
case 'p':
mode = PLAYBACK;
break;
case 'd':
pa_xfree(device);
device = pa_xstrdup(optarg);
break;
case 's':
pa_xfree(server);
server = pa_xstrdup(optarg);
break;
case 'n': {
char *t;
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, t) < 0) {
pa_log(_("Invalid client name '%s'"), t ? t : optarg);
pa_xfree(t);
goto quit;
}
pa_xfree(t);
break;
}
case ARG_STREAM_NAME: {
char *t;
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_sets(proplist, PA_PROP_MEDIA_NAME, t) < 0) {
pa_log(_("Invalid stream name '%s'"), t ? t : optarg);
pa_xfree(t);
goto quit;
}
pa_xfree(t);
break;
}
case 'v':
verbose = 1;
break;
case ARG_VOLUME: {
int v = atoi(optarg);
volume = v < 0 ? 0U : (pa_volume_t) v;
volume_is_set = TRUE;
break;
}
case ARG_CHANNELS:
sample_spec.channels = (uint8_t) atoi(optarg);
sample_spec_set = TRUE;
break;
case ARG_SAMPLEFORMAT:
sample_spec.format = pa_parse_sample_format(optarg);
sample_spec_set = TRUE;
break;
case ARG_SAMPLERATE:
sample_spec.rate = (uint32_t) atoi(optarg);
sample_spec_set = TRUE;
break;
case ARG_CHANNELMAP:
if (!pa_channel_map_parse(&channel_map, optarg)) {
pa_log(_("Invalid channel map '%s'"), optarg);
goto quit;
}
channel_map_set = TRUE;
break;
case ARG_FIX_CHANNELS:
flags |= PA_STREAM_FIX_CHANNELS;
break;
case ARG_FIX_RATE:
flags |= PA_STREAM_FIX_RATE;
break;
case ARG_FIX_FORMAT:
flags |= PA_STREAM_FIX_FORMAT;
break;
case ARG_NO_REMIX:
flags |= PA_STREAM_NO_REMIX_CHANNELS;
break;
case ARG_NO_REMAP:
flags |= PA_STREAM_NO_REMAP_CHANNELS;
break;
case ARG_LATENCY:
if (((latency = (size_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid latency specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROCESS_TIME:
if (((process_time = (size_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid process time specification '%s'"), optarg);
goto quit;
}
break;
case ARG_LATENCY_MSEC:
if (((latency_msec = (int32_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid latency specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROCESS_TIME_MSEC:
if (((process_time_msec = (int32_t) atoi(optarg))) <= 0) {
pa_log(_("Invalid process time specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROPERTY: {
char *t;
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_setp(proplist, t) < 0) {
pa_xfree(t);
pa_log(_("Invalid property '%s'"), optarg);
goto quit;
}
pa_xfree(t);
break;
}
case ARG_RAW:
raw = TRUE;
break;
case ARG_FILE_FORMAT:
raw = FALSE;
if (optarg) {
if ((file_format = pa_sndfile_format_from_string(optarg)) < 0) {
pa_log(_("Unknown file format %s."), optarg);
goto quit;
}
}
raw = FALSE;
break;
case ARG_LIST_FILE_FORMATS:
pa_sndfile_dump_formats();
ret = 0;
goto quit;
default:
goto quit;
}
}
if (!pa_sample_spec_valid(&sample_spec)) {
pa_log(_("Invalid sample specification"));
goto quit;
}
if (optind+1 == argc) {
int fd;
filename = argv[optind];
if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) {
pa_log(_("open(): %s"), strerror(errno));
goto quit;
}
if (dup2(fd, mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO) < 0) {
pa_log(_("dup2(): %s"), strerror(errno));
goto quit;
}
pa_close(fd);
} else if (optind+1 <= argc) {
pa_log(_("Too many arguments."));
goto quit;
}
if (!raw) {
SF_INFO sfi;
pa_zero(sfi);
if (mode == RECORD) {
/* This might patch up the sample spec */
if (pa_sndfile_write_sample_spec(&sfi, &sample_spec) < 0) {
pa_log(_("Failed to generate sample specification for file."));
goto quit;
}
/* Transparently upgrade classic .wav to wavex for multichannel audio */
if (file_format <= 0) {
if ((sample_spec.channels == 2 && (!channel_map_set || (channel_map.map[0] == PA_CHANNEL_POSITION_LEFT &&
channel_map.map[1] == PA_CHANNEL_POSITION_RIGHT))) ||
(sample_spec.channels == 1 && (!channel_map_set || (channel_map.map[0] == PA_CHANNEL_POSITION_MONO))))
file_format = SF_FORMAT_WAV;
else
file_format = SF_FORMAT_WAVEX;
}
sfi.format |= file_format;
}
if (!(sndfile = sf_open_fd(mode == RECORD ? STDOUT_FILENO : STDIN_FILENO,
mode == RECORD ? SFM_WRITE : SFM_READ,
&sfi, 0))) {
pa_log(_("Failed to open audio file."));
goto quit;
}
if (mode == PLAYBACK) {
if (sample_spec_set)
pa_log(_("Warning: specified sample specification will be overwritten with specification from file."));
if (pa_sndfile_read_sample_spec(sndfile, &sample_spec) < 0) {
pa_log(_("Failed to determine sample specification from file."));
goto quit;
}
sample_spec_set = TRUE;
if (!channel_map_set) {
/* Allow the user to overwrite the channel map on the command line */
if (pa_sndfile_read_channel_map(sndfile, &channel_map) < 0) {
if (sample_spec.channels > 2)
pa_log(_("Warning: Failed to determine channel map from file."));
} else
channel_map_set = TRUE;
}
}
}
if (!channel_map_set)
pa_channel_map_init_extend(&channel_map, sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
if (!pa_channel_map_compatible(&channel_map, &sample_spec)) {
pa_log(_("Channel map doesn't match sample specification"));
goto quit;
}
if (!raw) {
pa_proplist *sfp;
if (mode == PLAYBACK)
readf_function = pa_sndfile_readf_function(&sample_spec);
else {
if (pa_sndfile_write_channel_map(sndfile, &channel_map) < 0)
pa_log(_("Warning: failed to write channel map to file."));
writef_function = pa_sndfile_writef_function(&sample_spec);
}
/* Fill in libsndfile prop list data */
sfp = pa_proplist_new();
pa_sndfile_init_proplist(sndfile, sfp);
pa_proplist_update(proplist, PA_UPDATE_MERGE, sfp);
pa_proplist_free(sfp);
}
if (verbose) {
char tss[PA_SAMPLE_SPEC_SNPRINT_MAX], tcm[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_log(_("Opening a %s stream with sample specification '%s' and channel map '%s'."),
mode == RECORD ? _("recording") : _("playback"),
pa_sample_spec_snprint(tss, sizeof(tss), &sample_spec),
pa_channel_map_snprint(tcm, sizeof(tcm), &channel_map));
}
/* Fill in client name if none was set */
if (!pa_proplist_contains(proplist, PA_PROP_APPLICATION_NAME)) {
char *t;
if ((t = pa_locale_to_utf8(bn))) {
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, t);
pa_xfree(t);
}
}
/* Fill in media name if none was set */
if (!pa_proplist_contains(proplist, PA_PROP_MEDIA_NAME)) {
const char *t;
if ((t = filename) ||
(t = pa_proplist_gets(proplist, PA_PROP_APPLICATION_NAME)))
pa_proplist_sets(proplist, PA_PROP_MEDIA_NAME, t);
}
/* Set up a new main loop */
if (!(m = pa_mainloop_new())) {
pa_log(_("pa_mainloop_new() failed."));
goto quit;
}
mainloop_api = pa_mainloop_get_api(m);
pa_assert_se(pa_signal_init(mainloop_api) == 0);
pa_signal_new(SIGINT, exit_signal_callback, NULL);
pa_signal_new(SIGTERM, exit_signal_callback, NULL);
#ifdef SIGUSR1
pa_signal_new(SIGUSR1, sigusr1_signal_callback, NULL);
#endif
pa_disable_sigpipe();
if (raw) {
if (!(stdio_event = mainloop_api->io_new(mainloop_api,
mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
pa_log(_("io_new() failed."));
goto quit;
}
}
/* Create a new connection context */
if (!(context = pa_context_new_with_proplist(mainloop_api, NULL, proplist))) {
pa_log(_("pa_context_new() failed."));
goto quit;
}
pa_context_set_state_callback(context, context_state_callback, NULL);
/* Connect the context */
if (pa_context_connect(context, server, 0, NULL) < 0) {
pa_log(_("pa_context_connect() failed: %s"), pa_strerror(pa_context_errno(context)));
goto quit;
}
if (verbose) {
if (!(time_event = pa_context_rttime_new(context, pa_rtclock_now() + TIME_EVENT_USEC, time_event_callback, NULL))) {
pa_log(_("pa_context_rttime_new() failed."));
goto quit;
}
}
/* Run the main loop */
if (pa_mainloop_run(m, &ret) < 0) {
pa_log(_("pa_mainloop_run() failed."));
goto quit;
}
quit:
if (stream)
pa_stream_unref(stream);
if (context)
pa_context_unref(context);
if (stdio_event) {
pa_assert(mainloop_api);
mainloop_api->io_free(stdio_event);
}
if (time_event) {
pa_assert(mainloop_api);
mainloop_api->time_free(time_event);
}
if (m) {
pa_signal_done();
pa_mainloop_free(m);
}
pa_xfree(buffer);
pa_xfree(server);
pa_xfree(device);
if (sndfile)
sf_close(sndfile);
if (proplist)
pa_proplist_free(proplist);
return ret;
}
static void resolver_cb(
AvahiServiceResolver *r,
AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port,
AvahiStringList *txt,
AvahiLookupResultFlags flags,
void *userdata) {
struct userdata *u = userdata;
struct tunnel *tnl;
pa_assert(u);
tnl = tunnel_new(interface, protocol, name, type, domain);
if (event != AVAHI_RESOLVER_FOUND)
pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
else {
char *device = NULL, *dname, *module_name, *args;
const char *t;
char at[AVAHI_ADDRESS_STR_MAX], cmt[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_sample_spec ss;
pa_channel_map cm;
AvahiStringList *l;
pa_bool_t channel_map_set = FALSE;
pa_module *m;
ss = u->core->default_sample_spec;
cm = u->core->default_channel_map;
for (l = txt; l; l = l->next) {
char *key, *value;
pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);
if (pa_streq(key, "device")) {
pa_xfree(device);
device = value;
value = NULL;
} else if (pa_streq(key, "rate"))
ss.rate = (uint32_t) atoi(value);
else if (pa_streq(key, "channels"))
ss.channels = (uint8_t) atoi(value);
else if (pa_streq(key, "format"))
ss.format = pa_parse_sample_format(value);
else if (pa_streq(key, "channel_map")) {
pa_channel_map_parse(&cm, value);
channel_map_set = TRUE;
}
avahi_free(key);
avahi_free(value);
}
if (!channel_map_set && cm.channels != ss.channels)
pa_channel_map_init_extend(&cm, ss.channels, PA_CHANNEL_MAP_DEFAULT);
if (!pa_sample_spec_valid(&ss)) {
pa_log("Service '%s' contains an invalid sample specification.", name);
avahi_free(device);
goto finish;
}
if (!pa_channel_map_valid(&cm) || cm.channels != ss.channels) {
pa_log("Service '%s' contains an invalid channel map.", name);
avahi_free(device);
goto finish;
}
if (device)
dname = pa_sprintf_malloc("tunnel.%s.%s", host_name, device);
else
dname = pa_sprintf_malloc("tunnel.%s", host_name);
if (!pa_namereg_is_valid_name(dname)) {
pa_log("Cannot construct valid device name from credentials of service '%s'.", dname);
avahi_free(device);
pa_xfree(dname);
goto finish;
}
t = strstr(type, "sink") ? "sink" : "source";
module_name = pa_sprintf_malloc("module-tunnel-%s", t);
args = pa_sprintf_malloc("server=[%s]:%u "
"%s=%s "
"format=%s "
"channels=%u "
"rate=%u "
"%s_name=%s "
"channel_map=%s",
avahi_address_snprint(at, sizeof(at), a), port,
t, device,
pa_sample_format_to_string(ss.format),
ss.channels,
ss.rate,
t, dname,
pa_channel_map_snprint(cmt, sizeof(cmt), &cm));
pa_log_debug("Loading %s with arguments '%s'", module_name, args);
if ((m = pa_module_load(u->core, module_name, args))) {
tnl->module_index = m->index;
pa_hashmap_put(u->tunnels, tnl, tnl);
tnl = NULL;
}
pa_xfree(module_name);
pa_xfree(dname);
pa_xfree(args);
avahi_free(device);
}
finish:
avahi_service_resolver_free(r);
if (tnl)
tunnel_free(tnl);
}
int main(int argc, char *argv[]) {
pa_mempool *pool = NULL;
pa_sample_spec a, b;
int ret = 1, c;
bool all_formats = true;
pa_resample_method_t method;
int seconds;
unsigned crossover_freq = 120;
static const struct option long_options[] = {
{"help", 0, NULL, 'h'},
{"verbose", 0, NULL, 'v'},
{"version", 0, NULL, ARG_VERSION},
{"from-rate", 1, NULL, ARG_FROM_SAMPLERATE},
{"from-format", 1, NULL, ARG_FROM_SAMPLEFORMAT},
{"from-channels", 1, NULL, ARG_FROM_CHANNELS},
{"to-rate", 1, NULL, ARG_TO_SAMPLERATE},
{"to-format", 1, NULL, ARG_TO_SAMPLEFORMAT},
{"to-channels", 1, NULL, ARG_TO_CHANNELS},
{"seconds", 1, NULL, ARG_SECONDS},
{"resample-method", 1, NULL, ARG_RESAMPLE_METHOD},
{"dump-resample-methods", 0, NULL, ARG_DUMP_RESAMPLE_METHODS},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
#ifdef ENABLE_NLS
bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
#endif
pa_log_set_level(PA_LOG_WARN);
if (!getenv("MAKE_CHECK"))
pa_log_set_level(PA_LOG_INFO);
pa_assert_se(pool = pa_mempool_new(false, 0));
a.channels = b.channels = 1;
a.rate = b.rate = 44100;
a.format = b.format = PA_SAMPLE_S16LE;
method = PA_RESAMPLER_AUTO;
seconds = 60;
while ((c = getopt_long(argc, argv, "hv", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
help(argv[0]);
ret = 0;
goto quit;
case 'v':
pa_log_set_level(PA_LOG_DEBUG);
break;
case ARG_VERSION:
printf(_("%s %s\n"), argv[0], PACKAGE_VERSION);
ret = 0;
goto quit;
case ARG_DUMP_RESAMPLE_METHODS:
dump_resample_methods();
ret = 0;
goto quit;
case ARG_FROM_CHANNELS:
a.channels = (uint8_t) atoi(optarg);
break;
case ARG_FROM_SAMPLEFORMAT:
a.format = pa_parse_sample_format(optarg);
all_formats = false;
break;
case ARG_FROM_SAMPLERATE:
a.rate = (uint32_t) atoi(optarg);
break;
case ARG_TO_CHANNELS:
b.channels = (uint8_t) atoi(optarg);
break;
case ARG_TO_SAMPLEFORMAT:
b.format = pa_parse_sample_format(optarg);
all_formats = false;
break;
case ARG_TO_SAMPLERATE:
b.rate = (uint32_t) atoi(optarg);
break;
case ARG_SECONDS:
seconds = atoi(optarg);
break;
case ARG_RESAMPLE_METHOD:
if (*optarg == '\0' || pa_streq(optarg, "help")) {
dump_resample_methods();
ret = 0;
goto quit;
}
method = pa_parse_resample_method(optarg);
break;
default:
goto quit;
}
}
ret = 0;
pa_assert_se(pool = pa_mempool_new(false, 0));
if (!all_formats) {
pa_resampler *resampler;
pa_memchunk i, j;
pa_usec_t ts;
pa_log_debug("Compilation CFLAGS: %s", PA_CFLAGS);
pa_log_debug("=== %d seconds: %d Hz %d ch (%s) -> %d Hz %d ch (%s)", seconds,
a.rate, a.channels, pa_sample_format_to_string(a.format),
b.rate, b.channels, pa_sample_format_to_string(b.format));
ts = pa_rtclock_now();
pa_assert_se(resampler = pa_resampler_new(pool, &a, NULL, &b, NULL, crossover_freq, method, 0));
pa_log_info("init: %llu", (long long unsigned)(pa_rtclock_now() - ts));
i.memblock = pa_memblock_new(pool, pa_usec_to_bytes(1*PA_USEC_PER_SEC, &a));
ts = pa_rtclock_now();
i.length = pa_memblock_get_length(i.memblock);
i.index = 0;
while (seconds--) {
pa_resampler_run(resampler, &i, &j);
if (j.memblock)
pa_memblock_unref(j.memblock);
}
pa_log_info("resampling: %llu", (long long unsigned)(pa_rtclock_now() - ts));
pa_memblock_unref(i.memblock);
pa_resampler_free(resampler);
goto quit;
}
for (a.format = 0; a.format < PA_SAMPLE_MAX; a.format ++) {
for (b.format = 0; b.format < PA_SAMPLE_MAX; b.format ++) {
pa_resampler *forth, *back;
pa_memchunk i, j, k;
pa_log_debug("=== %s -> %s -> %s -> /2",
pa_sample_format_to_string(a.format),
pa_sample_format_to_string(b.format),
pa_sample_format_to_string(a.format));
pa_assert_se(forth = pa_resampler_new(pool, &a, NULL, &b, NULL, crossover_freq, method, 0));
pa_assert_se(back = pa_resampler_new(pool, &b, NULL, &a, NULL, crossover_freq, method, 0));
i.memblock = generate_block(pool, &a);
i.length = pa_memblock_get_length(i.memblock);
i.index = 0;
pa_resampler_run(forth, &i, &j);
pa_resampler_run(back, &j, &k);
dump_block("before", &a, &i);
dump_block("after", &b, &j);
dump_block("reverse", &a, &k);
pa_memblock_unref(i.memblock);
pa_memblock_unref(j.memblock);
pa_memblock_unref(k.memblock);
pa_resampler_free(forth);
pa_resampler_free(back);
}
}
quit:
if (pool)
pa_mempool_free(pool);
return ret;
}
int pa__init(pa_module*m) {
struct userdata *u = NULL;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
pa_sink_new_data data;
size_t nbytes;
pa_assert(m);
pa_web_debug_func_t func = pa_get_user_data(PA_USER_WEB_FUNC);
if (!func) {
pa_log_error("Failed to get user web func from user data");
goto fail;
}
ma = pa_modargs_new(m->argument, valid_modargs);
if (!ma) {
pa_log("Failed to parse module arguments.");
goto fail;
}
ss = m->core->default_sample_spec;
map = m->core->default_channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
pa_modargs_get_value_u32(ma, "fixed_rate", &ss.rate);
uint32_t c = 0;
pa_modargs_get_value_u32(ma, "fixed_channels", &c);
if (c)
ss.channels = c;
const char* fixed_fmt = pa_modargs_get_value(ma, "fixed_format", NULL);
if (fixed_fmt)
ss.format = pa_parse_sample_format(fixed_fmt);
if (ss.channels != map.channels) {
pa_log_error("sample_spec channels[%d] != channel_map channels[%d]", ss.channels, map.channels);
pa_channel_map_init_extend(&map, ss.channels, PA_CHANNEL_MAP_DEFAULT);
pa_log_debug("after init extend mmap.channels=%d", map.channels);
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->rtpoll = pa_rtpoll_new();
u->data_func = web_data_func;
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
pa_sink_new_data_init(&data);
data.driver = __FILE__;
data.module = m;
pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME));
pa_sink_new_data_set_sample_spec(&data, &ss);
pa_sink_new_data_set_channel_map(&data, &map);
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, _("Remote Output"));
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");
if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
pa_sink_new_data_done(&data);
goto fail;
}
u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY);
pa_sink_new_data_done(&data);
if (!u->sink) {
pa_log("Failed to create sink object.");
goto fail;
}
u->sink->parent.process_msg = sink_process_msg;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
u->block_usec = BLOCK_USEC;
nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
pa_sink_set_max_rewind(u->sink, nbytes);
pa_sink_set_max_request(u->sink, nbytes);
// call websocket to start
func(1, NULL, ss.rate, ss.format);
u->thread = pa_thread_new("remote-sink", thread_func, u);
if (!u->thread) {
pa_log("Failed to create thread.");
goto fail;
}
pa_sink_set_latency_range(u->sink, 0, BLOCK_USEC);
pa_sink_put(u->sink);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
return -1;
}