Better handling of "-d list".
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parent
6fd7c91e52
commit
7948164205
24
main.cc
24
main.cc
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@ -214,7 +214,7 @@ void usage()
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fprintf(stderr,
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"Usage: softfm -f freq [options]\n"
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" -f freq Frequency of radio station in Hz\n"
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" -d devidx RTL-SDR device index (default 0)\n"
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" -d devidx RTL-SDR device index, 'list' to show device list (default 0)\n"
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" -s ifrate IF sample rate in Hz (default 1000000)\n"
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" -r pcmrate Audio sample rate in Hz (default 48000 Hz)\n"
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" -M Disable stereo decoding\n"
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@ -334,6 +334,17 @@ int main(int argc, char **argv)
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}
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}
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vector<string> devnames = RtlSdrSource::get_device_names();
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if (devidx < 0 || (unsigned int)devidx >= devnames.size()) {
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fprintf(stderr, "ERROR: invalid device index %d\n", devidx);
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fprintf(stderr, "Found %u devices:\n", (unsigned int)devnames.size());
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for (unsigned int i = 0; i < devnames.size(); i++) {
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fprintf(stderr, "%2u: %s\n", i, devnames[i].c_str());
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}
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exit(1);
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}
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fprintf(stderr, "using device %d: %s\n", devidx, devnames[devidx].c_str());
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if (freq <= 0) {
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usage();
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fprintf(stderr, "ERROR: Specify a tuning frequency\n");
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@ -366,17 +377,6 @@ int main(int argc, char **argv)
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tuner_freq += 0.25 * ifrate;
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}
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vector<string> devnames = RtlSdrSource::get_device_names();
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if (devidx < 0 || (unsigned int)devidx >= devnames.size()) {
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fprintf(stderr, "ERROR: invalid device index %d\n", devidx);
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fprintf(stderr, "Found %u devices:\n", (unsigned int)devnames.size());
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for (unsigned int i = 0; i < devnames.size(); i++) {
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fprintf(stderr, "%2u: %s\n", i, devnames[i].c_str());
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}
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exit(1);
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}
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fprintf(stderr, "using device %d: %s\n", devidx, devnames[devidx].c_str());
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// Open RTL-SDR device.
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RtlSdrSource rtlsdr(devidx);
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if (!rtlsdr) {
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