| 59 | } |
| 60 | |
| 61 | bool isUncompressed(IODevicePtr device) { |
| 62 | const size_t sigLength = 4; |
| 63 | unique_ptr<char[]> riffSig(new char[sigLength + 1]()); // RIFF\0 |
| 64 | unique_ptr<char[]> waveSig(new char[sigLength + 1]()); // WAVE\0 |
| 65 | |
| 66 | StreamOffset previousOffset = device->pos(); |
| 67 | device->seek(0); |
| 68 | device->readFull(riffSig.get(), sigLength); |
| 69 | device->seek(4, IOSeek::Relative); |
| 70 | device->readFull(waveSig.get(), sigLength); |
| 71 | device->seek(previousOffset); |
| 72 | if (strcmp(riffSig.get(), "RIFF") == 0 && strcmp(waveSig.get(), "WAVE") == 0) { // bytes are magic |
| 73 | return true; |
| 74 | } |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | WaveData parseWav(IODevicePtr device) { |
| 79 | const size_t sigLength = 4; |