71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
// basic file operations
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#include <iostream>
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#include <fstream>
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using namespace std;
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int main(int argc, char* argv[])
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{
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if (argc < 5) {
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cerr << "Usage " << argv[0] << " sample_format sample_rate channels duration" << endl;
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exit(1);
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}
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int len(0);
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string format(argv[1]);
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if (format == "S16_LE")
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len = 2;
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else if (format == "S24_3LE")
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len = 3;
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else if (format == "S32_LE")
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len = 4;
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else {
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cerr << "Unsupported format " << format << endl;
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exit(1);
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}
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int rate(atoi(argv[2]));
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if (rate != 44100 && rate != 48000 && rate != 96000) {
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cerr << "Unsupported rate " << rate << endl;
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exit(1);
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}
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int channels = atoi(argv[3]);
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if (channels != 1 && channels != 2 && channels != 4 && channels != 8) {
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cerr << "Unsupported channels " << channels << endl;
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exit(1);
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}
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int duration = atoi(argv[4]);
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if (duration > 10 || duration < 1) {
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cerr << "Unsupported duration " << duration << " minutes" << endl;
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exit(1);
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}
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int secs(duration * 60);
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unsigned char byte(0);
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fstream myfile;
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myfile.open("test.raw", ios::out|ios::binary);
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while(secs--) {
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int samples(rate);
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while (samples--) {
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int ch(channels);
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while (ch--) {
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myfile.put(byte);
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if (len > 1) {
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myfile.put(byte+1);
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if (len > 2) {
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myfile.put(byte+2);
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if (len > 3)
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myfile.put(byte+3);
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}
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}
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}
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byte+=len;
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}
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}
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myfile.close();
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return 0;
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}
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