DFA: Difference between revisions
Jump to navigation
Jump to search
m (sample link) |
m (missed a word) |
||
| Line 21: | Line 21: | ||
EOFR end of frame, empty chunk | EOFR end of frame, empty chunk | ||
Based on the relative occurrence frequencies of the TSW1 and DSW1 frame, | Based on the relative occurrence frequencies of the TSW1 and DSW1 frame types, | ||
T-frames may be intracoded while D-frames are intercoded. The details of | T-frames may be intracoded while D-frames are intercoded. The details of | ||
the video coding format are unknown. | the video coding format are unknown. | ||
[[Category:Game Formats]] | [[Category:Game Formats]] | ||
Revision as of 21:13, 14 March 2006
- Extensions: dfa
- Samples: http://www.mplayerhq.hu/MPlayer/samples/game-formats/chronomaster-dfa/
A DOS-based game called Chronomaster includes files with the extension .dfa which appear to be animation files. All multi-byte numbers are little endian. These files are comprised of chunks with the following format:
bytes 0-3 chunk type bytes 4-7 chunk size, not including 12-byte preamble bytes 8-11 unknown bytes 12.. chunk payload
A DFA file begins with a 128- (0x80-)byte header:
bytes 0-3 file signature: 'DFIA' bytes 4-127 unknown (mostly 0s)
Chunk types include:
PAL1 768-byte chunk containing a 6-bit VGA palette components TSW1 video frame? DSW1 video frame? EOFR end of frame, empty chunk
Based on the relative occurrence frequencies of the TSW1 and DSW1 frame types, T-frames may be intracoded while D-frames are intercoded. The details of the video coding format are unknown.