| 52 | } |
| 53 | |
| 54 | bool checkForMp4Format(QByteArray &data) |
| 55 | { |
| 56 | // Check the ISO mp4 format: Parse the whole data and check if the size bytes per Unit are |
| 57 | // correct. |
| 58 | uint64_t posInData = 0; |
| 59 | while (posInData + 4 <= uint64_t(data.length())) |
| 60 | { |
| 61 | auto firstBytes = data.mid(posInData, 4); |
| 62 | |
| 63 | unsigned size = (unsigned char)firstBytes.at(3); |
| 64 | size += (unsigned char)firstBytes.at(2) << 8; |
| 65 | size += (unsigned char)firstBytes.at(1) << 16; |
| 66 | size += (unsigned char)firstBytes.at(0) << 24; |
| 67 | posInData += 4; |
| 68 | |
| 69 | if (size > 1'000'000'000) |
| 70 | // A Nal with more then 1GB? This is probably an error. |
| 71 | return false; |
| 72 | if (posInData + size > uint64_t(data.length())) |
| 73 | // Not enough data in the input array to read NAL unit. |
| 74 | return false; |
| 75 | posInData += size; |
| 76 | } |
| 77 | return true; |
| 78 | } |
| 79 | |
| 80 | bool checkForObuFormat(QByteArray &data) |
| 81 | { |
no test coverage detected