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<blockquote data-quote="hoborg" data-source="post: 655898" data-attributes="member: 77164"><p>Please, post small AVI sample...</p><p></p><p>BTW:</p><p></p><p><em>The problem is a multiplexing problem.</em></p><p><em></em></p><p><em>Normally an AVI file has the video and audio streams in small chunks interspersed (multiplexed) within the file. Typically you'll have one frame worth of video followed by the audio that's associated with that frame. Or a few frames of video and the audio associated with those frames. But because of the flexibility of the file format it's possible for the video and audio chunks not to be next to each other. In a bad case scenario the video could be at the start of the file then all the audio at the end.</em></p><p><em></em></p><p><em>The error message in the OP's post is indicating that the video and audio chunks are not always right next to each other. That means the player has to seek back and forth within the file as it plays in order to keep the audio and video in sync. That's usually not a problem when playing off a hard drive because hard drives can seek very quickly. But off slow seeking devices like CD or DVD drives (where seek times can be over a second) it is catastrophic -- playback will get very jerky as the drive seeks back and forth between two sections of the file.</em></p><p><em></em></p><p><em>Indexing in AVI files refers to a list of key frames that is usually located at the end of the file. Having a list of keyframes makes it easy for a player to seek to arbitrary locations within the video. Without the keyframe index a player hast read through all the frames in the file to seek to a new location. With the index the player can quickly move to the keyframe just before the desired seek time. </em></p><p></p><p>You can fix it by MKV merge (remux to MKV), or just open and save as direct stream copy in VirtualDub.</p></blockquote><p></p>
[QUOTE="hoborg, post: 655898, member: 77164"] Please, post small AVI sample... BTW: [I]The problem is a multiplexing problem. Normally an AVI file has the video and audio streams in small chunks interspersed (multiplexed) within the file. Typically you'll have one frame worth of video followed by the audio that's associated with that frame. Or a few frames of video and the audio associated with those frames. But because of the flexibility of the file format it's possible for the video and audio chunks not to be next to each other. In a bad case scenario the video could be at the start of the file then all the audio at the end. The error message in the OP's post is indicating that the video and audio chunks are not always right next to each other. That means the player has to seek back and forth within the file as it plays in order to keep the audio and video in sync. That's usually not a problem when playing off a hard drive because hard drives can seek very quickly. But off slow seeking devices like CD or DVD drives (where seek times can be over a second) it is catastrophic -- playback will get very jerky as the drive seeks back and forth between two sections of the file. Indexing in AVI files refers to a list of key frames that is usually located at the end of the file. Having a list of keyframes makes it easy for a player to seek to arbitrary locations within the video. Without the keyframe index a player hast read through all the frames in the file to seek to a new location. With the index the player can quickly move to the keyframe just before the desired seek time. [/I] You can fix it by MKV merge (remux to MKV), or just open and save as direct stream copy in VirtualDub. [/QUOTE]
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