QuickTime File Format
Relation to MP4
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== Relation to MP4 == |
== Relation to MP4 == |
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Because both the QuickTime and MP4 container formats can use the same [[MPEG-4]] formats, they are mostly interchangeable in a QuickTime-only environment. MP4, being an international standard, has more support. This is especially true on hardware devices, such as the [[PlayStation Portable]] and various DVD players; on the software side, most [[DirectShow]] and [[Video for Windows]] codec packs[http://hellninjacommando.com/defilerpak/ DefilerPak – A lightweight codec pack for Windows PCs] {{webarchive |url=https://web.archive.org/web/20150815154602/http://hellninjacommando.com/defilerpak/ |date=August 15, 2015 }}[http://www.k-litecodecpack.com/ K-LiteCodecPack.com: Download Codecs, Videos and MP3s] include an MP4 parser, but not one for QTFF. |
Because both the QuickTime and MP4 container formats can use the same [[MPEG-4]] formats, they are mostly interchangeable in a QuickTime-only environment. MP4, being an international standard, has more support. This is especially true on hardware devices, such as the [[PlayStation Portable]] and various DVD players; on the software side, most [[DirectShow]] and [[Video for Windows]] codec packs[http://hellninjacommando.com/defilerpak/ DefilerPak – A lightweight codec pack for Windows PCs] {{webarchive |url=https://web.archive.org/web/20150815154602/http://hellninjacommando.com/defilerpak/ |date=August 15, 2015 }}[http://www.k-litecodecpack.com/ K-LiteCodecPack.com: Download Codecs, Videos and MP3s] include an MP4 parser, but not one for QTFF.{{cfn|reason=If they use the same formats, why can't the parser work with both QTFF and MP4?|date=April 2026}} |
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In QuickTime Pro's MPEG-4 Export dialog, an option called "Passthrough" allows a clean export to MP4 without affecting the audio or video streams. One discrepancy ushered in by QuickTime 7 released on April 29, 2005, is that the QuickTime file format supports multichannel audio (used, for example, in the high-definition trailers on Apple's site{{Cite web|url=https://trailers.apple.com/|archive-url=https://web.archive.org/web/20100213200700/http://www.apple.com//trailers//|url-status=dead|title=iTunes Movie Trailers|archive-date=February 13, 2010|website=trailers.apple.com}}). |
In QuickTime Pro's MPEG-4 Export dialog, an option called "Passthrough" allows a clean export to MP4 without affecting the audio or video streams. One discrepancy ushered in by QuickTime 7 released on April 29, 2005, is that the QuickTime file format supports multichannel audio (used, for example, in the high-definition trailers on Apple's site{{Cite web|url=https://trailers.apple.com/|archive-url=https://web.archive.org/web/20100213200700/http://www.apple.com//trailers//|url-status=dead|title=iTunes Movie Trailers|archive-date=February 13, 2010|website=trailers.apple.com}}). |
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