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Decrypt an avi file to disclose author information
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<blockquote data-quote="booo" data-source="post: 2055644" data-attributes="member: 18666"><p>As I mentioned earlier, AVI is just a container. it supports multiple video and audio formats. it depends a lot on the individual streams present in that avi file. for example, mp3 id3 tags contain a lot of information about the creator if they chose to include it.</p><p>if you think of video stream as a sequence of jpeg images, most of the times jpeg images contain what is known as EXIF data which contains a lot of info such as camera, exposure etc... but most of the video formats chose to discard it since it takes a lot of storage space to include that type of data for every video frame.</p><p></p><p>short answer; it depends on what steams are put in the avi format. its a 50-50 chance to get those details because the encoder software may chose to discard those headers to decrease the file size. Now, in your avi file, what are the streams? did you manage to identify the audio and video stream headers?</p></blockquote><p></p>
[QUOTE="booo, post: 2055644, member: 18666"] As I mentioned earlier, AVI is just a container. it supports multiple video and audio formats. it depends a lot on the individual streams present in that avi file. for example, mp3 id3 tags contain a lot of information about the creator if they chose to include it. if you think of video stream as a sequence of jpeg images, most of the times jpeg images contain what is known as EXIF data which contains a lot of info such as camera, exposure etc... but most of the video formats chose to discard it since it takes a lot of storage space to include that type of data for every video frame. short answer; it depends on what steams are put in the avi format. its a 50-50 chance to get those details because the encoder software may chose to discard those headers to decrease the file size. Now, in your avi file, what are the streams? did you manage to identify the audio and video stream headers? [/QUOTE]
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