https://wiki.multimedia.cx/index.php?action=history&feed=atom&title=IAVF 2026-04-14T20:20:54Z Revision history for this page on the wiki MediaWiki 1.39.5 https://wiki.multimedia.cx/index.php?title=IAVF&diff=15699&oldid=prev 2023-02-24T15:19:55Z

<p>fill information about Ripper AVI</p> <p><b>New page</b></p><div>* Extension: AVI<br /> * Company: Take-Two Interactive<br /> <br /> This format packs another animation format for (presumably) making videos more interactive. It embeds audio tracks and [[Flic Video]] or [[Smacker]] video.<br /> <br /> Internally the file consists of 145-byte header and various commands with 14-byte header.<br /> <br /> File header:<br /> 8 bytes - &quot;IAVF2.00&quot;<br /> 4 bytes - always zero?<br /> 4 bytes - always zero?<br /> 4 bytes - number of frames<br /> 4 bytes - always zero?<br /> 4 bytes - always zero?<br /> 2 bytes - sampling rate<br /> 1 byte - number of channels<br /> 1 byte - bits per sample<br /> 4 bytes - bytes per second<br /> 4 bytes - audio block align<br /> 1 byte - unknown<br /> 4 bytes - some offset or size<br /> 2 bytes - frames per second<br /> 2 bytes - width<br /> 2 bytes - height<br /> 4 bytes - some size<br /> 4 bytes - some size<br /> 4 bytes - some size<br /> 4 bytes - some size<br /> (the rest 78 bytes are zero)<br /> <br /> Command header:<br /> 2 bytes - command ID<br /> 4 bytes - metainformation 1<br /> 4 bytes - metainformation 2<br /> 4 bytes - metainformation 3<br /> <br /> Known commands:<br /> * 0x66 - audio payload. First field is sequence number, second field is the expected audio block size, third field is actual data length<br /> * 0x67 - some pause command<br /> * 0x68 - clear frame command (no payload expected)<br /> * 0x69 - 20-byte mouse region information followed by 128-byte FLI header<br /> * 0x6A - 20-byte mouse region information followed by Smacker header (the same as in SMK file but without frame sizes)<br /> * 0x6B - unknown, probably FLI frame data<br /> * 0x6C - SMK frame<br /> * 0x70 - EOF (not necessarily present)<br /> * 0x75 - some audio command<br /> * 0x76 - unknown<br /> * 0x77 - unknown, probably related to Smacker<br /> * 0x78 - Smacker preload data<br /> <br /> [[Category:Game Formats]]</div>

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