int pa_daemon_conf_set_resample_method(pa_daemon_conf *c, const char *string) {
int m;
pa_assert(c);
pa_assert(string);
if ((m = pa_parse_resample_method(string)) < 0)
return -1;
c->resample_method = m;
return 0;
}
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;
}
