87 lines
1.8 KiB
C++
87 lines
1.8 KiB
C++
// basic file operations
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#include <iostream>
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#include <fstream>
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#include <cstdint>
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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 < 3) {
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cerr << "Usage: " << argv[0] << " sample_format channels" << 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 channels = atoi(argv[2]);
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if (channels % 2 != 0 || channels <= 0 || channels > 64) {
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cerr << "Unsupported channels " << channels << endl;
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exit(1);
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}
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fstream fl;
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fl.open("./sink_test.raw", ios::in|ios::binary);
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if (!fl.is_open()) {
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cout << "cannot open file " << endl;
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exit(1);
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}
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auto begin = fl.tellp();
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fl.seekp(0, ios::end);
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auto end = fl.tellp();
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fl.seekp(0, ios::beg);
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auto prev = fl.tellp();
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// skip inital silence
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while((prev = fl.tellp()) != end && fl.get() == 0);
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uint8_t curr = 0, byte = 0;
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bool first = true;
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fl.seekp(prev);
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while(fl.tellp() != end) {
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int ch(channels);
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while (ch--) {
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if (!first) {
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byte = fl.get();
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if (byte != (uint8_t)curr) goto end;
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}
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if (len > 1) {
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byte = fl.get();
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if (byte != (uint8_t)(curr+1)) goto end;
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if (len > 2) {
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byte = fl.get();
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if (byte != (uint8_t)(curr+2)) goto end;
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if (len > 3) {
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byte = fl.get();
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if (byte != (uint8_t)(curr+3)) goto end;
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}
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}
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}
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first = false;
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}
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curr += len;
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}
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end:
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//cout << "expected " << (int)curr << " byte " << (int)byte << endl;
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int rc = 0;
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if (first || fl.tellp() != end)
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{
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cout << "error at position: " << fl.tellp() << endl;
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rc = 1;
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}
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else cout << "ok" << endl;
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fl.close();
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return rc;
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}
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