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ggwave : add option to query the generated tones

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Calling the getWaveformTones() method after calling encode() gives a
list of the tones participating in the generated sound
This commit is contained in:
Georgi Gerganov
2021-04-03 18:46:21 +03:00
parent 7d88f42e4e
commit ba87a651e3
3 changed files with 49 additions and 3 deletions
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21
examples/ggwave-cli/main.cpp
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@@ -18,6 +18,7 @@ int main(int argc, char** argv) {
printf(" -pN - select playback device N\n");
printf(" -tN - transmission protocol\n");
printf(" -lN - fixed payload length of size N, N in [1, %d]\n", GGWave::kMaxLengthFixed);
printf(" -v - print generated tones on resend\n");
printf("\n");
auto argm = parseCmdArguments(argc, argv);
@@ -25,6 +26,7 @@ int main(int argc, char** argv) {
int playbackId = argm["p"].empty() ? 0 : std::stoi(argm["p"]);
int txProtocol = argm["t"].empty() ? 1 : std::stoi(argm["t"]);
int payloadLength = argm["l"].empty() ? -1 : std::stoi(argm["l"]);
bool printTones = argm.find("v") == argm.end() ? false : true;
if (GGWave_init(playbackId, captureId, payloadLength) == false) {
fprintf(stderr, "Failed to initialize GGWave\n");
@@ -51,13 +53,26 @@ int main(int argc, char** argv) {
std::string inputOld = "";
while (true) {
std::string input;
std::cout << "Enter text: ";
printf("Enter text: ");
fflush(stdout);
getline(std::cin, input);
if (input.empty()) {
std::cout << "Re-sending ... " << std::endl;
printf("Re-sending ...\n");
input = inputOld;
if (printTones) {
printf("Printing generated waveform tones (Hz):\n");
auto waveformTones = ggWave->getWaveformTones();
for (int i = 0; i < (int) waveformTones.size(); ++i) {
printf(" - frame %3d: ", i);
for (int j = 0; j < (int) waveformTones[i].size(); ++j) {
printf("%8.2f ", waveformTones[i][j].freq_hz);
}
printf("\n");
}
}
} else {
std::cout << "Sending ... " << std::endl;
printf("Sending ...\n");
}
{
std::lock_guard<std::mutex> lock(mutex);