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ggwave-to-file : use stdout instead of filename arg

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This commit is contained in:
Georgi Gerganov
2021-01-09 14:07:08 +02:00
parent 72dd2f0e66
commit 0cf5da1a4d
2 changed files with 12 additions and 18 deletions
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2
examples/ggwave-to-file/README.md
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@@ -3,5 +3,5 @@
Output generated audio to a file.
```bash
./bin/ggwave-to-file "Hello World!" example.wav
./bin/ggwave-to-file "Hello World!" > example.wav
```

28
examples/ggwave-to-file/main.cpp
View File

@@ -9,23 +9,22 @@
#include <cstring>
int main(int argc, char** argv) {
printf("Usage: %s \"message\" output.wav [-pN]\n", argv[0]);
printf(" -pN - select the transmission protocol\n");
printf("\n");
printf(" Available protocols:\n");
fprintf(stderr, "Usage: %s \"message\" output.wav [-pN]\n", argv[0]);
fprintf(stderr, " -pN - select the transmission protocol\n");
fprintf(stderr, "\n");
fprintf(stderr, " Available protocols:\n");
const auto & protocols = GGWave::getTxProtocols();
for (int i = 0; i < (int) protocols.size(); ++i) {
printf(" %d - %s\n", i, protocols[i].name);
fprintf(stderr, " %d - %s\n", i, protocols[i].name);
}
printf("\n");
fprintf(stderr, "\n");
if (argc < 3) {
if (argc < 2) {
return -1;
}
std::string message = argv[1];
std::string fnameOut = argv[2];
if (message.size() == 0) {
fprintf(stderr, "Invalid message: size = 0\n");
@@ -37,11 +36,6 @@ int main(int argc, char** argv) {
return -3;
}
if (fnameOut.rfind(".wav") != fnameOut.size() - 4) {
fprintf(stderr, "Invalid output filename\n");
return -4;
}
auto argm = parseCmdArguments(argc, argv);
int protocolId = argm["p"].empty() ? 1 : std::stoi(argm["p"]);
int volume = argm["v"].empty() ? 50 : std::stoi(argm["v"]);
@@ -59,7 +53,7 @@ int main(int argc, char** argv) {
ggWave.send(cbQueueAudio);
printf("Output size = %d bytes\n", (int) bufferPCM.size());
fprintf(stderr, "Output size = %d bytes\n", (int) bufferPCM.size());
drwav_data_format format;
format.container = drwav_container_riff;
@@ -68,13 +62,13 @@ int main(int argc, char** argv) {
format.sampleRate = sampleRateOut;
format.bitsPerSample = 16;
printf("Writing WAV file '%s' ...\n", fnameOut.c_str());
fprintf(stderr, "Writing WAV data ...\n");
drwav wav;
drwav_init_file_write(&wav, fnameOut.c_str(), &format, NULL);
drwav_init_file_write(&wav, "/dev/stdout", &format, NULL);
drwav_uint64 framesWritten = drwav_write_pcm_frames(&wav, bufferPCM.size()/2, bufferPCM.data());
printf("WAV frames written = %d\n", (int) framesWritten);
fprintf(stderr, "WAV frames written = %d\n", (int) framesWritten);
return 0;
}