| 51 | {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; |
| 52 | |
| 53 | static bool wav_scan_chunk(WAV_FILE* wavf, uint32_t chunkID, void* header, void* body, uint32_t bodySize) |
| 54 | { |
| 55 | auto& fs = wavf->Stream; |
| 56 | auto h = (WAV_CHUNK_HEADER*)header; |
| 57 | for (; fs->read(h, WAV_HEADER_SIZE) == WAV_HEADER_SIZE;) |
| 58 | { |
| 59 | wavf->PcmDataOffset += WAV_HEADER_SIZE; |
| 60 | if (h->ChunkID == chunkID) |
| 61 | { // chunk found |
| 62 | if (body) |
| 63 | { // require read body? |
| 64 | auto readsize = (std::min)(bodySize, h->ChunkSize); |
| 65 | fs->read(body, readsize); |
| 66 | if (h->ChunkSize > bodySize) |
| 67 | fs->seek(h->ChunkSize - bodySize, SEEK_CUR); |
| 68 | wavf->PcmDataOffset += h->ChunkSize; |
| 69 | } |
| 70 | return true; |
| 71 | } |
| 72 | else |
| 73 | { |
| 74 | // Skip other non specified chunk |
| 75 | fs->seek(h->ChunkSize, SEEK_CUR); |
| 76 | wavf->PcmDataOffset += h->ChunkSize; |
| 77 | } |
| 78 | } |
| 79 | return false; |
| 80 | } |
| 81 | static bool wav_open(std::string_view fullPath, WAV_FILE* wavf) |
| 82 | { |
| 83 | wavf->Stream = FileUtils::getInstance()->openFileStream(fullPath, IFileStream::Mode::READ); |