| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public OggPacket write() { |
| 77 | int length = 19; |
| 78 | if (channelMappingFamily != 0) { |
| 79 | length += 2; |
| 80 | length += channels; |
| 81 | } |
| 82 | byte[] data = new byte[length]; |
| 83 | System.arraycopy(MAGIC_HEADER_BYTES, 0, data, 0, 8); |
| 84 | |
| 85 | data[8] = version; |
| 86 | data[9] = (byte)channels; |
| 87 | IOUtils.putInt2(data, 10, preSkip); |
| 88 | IOUtils.putInt4(data, 12, rate); |
| 89 | IOUtils.putInt2(data, 16, outputGain); |
| 90 | |
| 91 | data[18] = channelMappingFamily; |
| 92 | if (channelMappingFamily != 0) { |
| 93 | data[19] = streamCount; |
| 94 | data[20] = twoChannelStreamCount; |
| 95 | System.arraycopy(channelMapping, 0, data, 21, channels); |
| 96 | } |
| 97 | |
| 98 | setData(data); |
| 99 | return super.write(); |
| 100 | } |
| 101 | |
| 102 | private void parseVersion() { |
| 103 | minorVersion = version & 0xf; |