You might not want to hold out til you find it. A poster frame is not a function of a video encoder.
Thanks! At least now I know that the answer must lie in Premiere Pro itself. But where?
Unfortunately you're barking up the wrong tree. It is not a function of Premiere either.
How about saying where you expect this poster frame to be displayed. The method would be different for different targets.
You can create thumbnails for chapters in DVD authoring, Vimeo and YouTube have methods after you upload a video.
What are you hoping for?
There are two common meanings for the phrase "poster frame":
- A standalone image on disk (JPG etc) which is displayed by a player before the video is loaded - commonly used by video player apps on websites (YouTube etc), InDesign and PDF files, etc. so the video asset doesn't have to be opened in order for the viewer to see what they're about to watch - although the image is normally captured from the video it doesn't have to be.
- An image resource embedded into the XMP/ID3 data of a video or audio file which can sometimes be shown in the player, but is normally set because it appears as the thumbnail image when viewing the files in Finder or Windows Explorer. It's not part of the content stream, it's in the file header. In MP3 files it's used to store album artwork.
You can create standalone JPEG images from PP using the camera icon below the monitor and can semi-automate the export of a still image alongside your video using presets in Adobe Media Encoder, but there's no option in PP (or via Adobe Media Encoder) to specify the embedded poster image in a rendered media file. Several third-party apps can do it, either during render (Compressor / Squeeze) or after the fact (Quicktime Pro), but support for these embedded resources depends on the wrapper for the video file.
The ability to set a 'poster frame' in the clip bins in PP is solely there to help you organize your project assets visually - for example if the imported footage starts from black, or if you want to choose a frame where the slate is visible - but your choice has no effect on the sequences at export and isn't written back into the original footage.
Thanks for the time you've taken answering.
As you can see I'm now expert in the inner workings of file encoding!
On this occasion I want the frame to appear on a .mov video.
There is a poster frame (not from the first clip or the first or last frame of the last clip). PP or the encoder must have "decided" which frame to use (because there is more than one clip) it seems odd that PP doesn't allow one to select which, yet allows one to choose it in the (relatively unimportant) clip bin!
I have tried control P and I have different poster frames in the web player than windows explorer.
Is the normal work around to encode it in PP media encoder and then use Quicktime Pro (or other) to set the Poster Frame?
Hear what Dave said. You cannot choose a poster frame in PP or media encoder. You now get different poster frames in web and in windows explorer cause those programs have different methods of choosing the poster frame when it is not specified by a third-party program.
Dave: I believe Episode Encoder can set the poster frame as well?
EDIT: Actually, setting a poster frame would be a really nice feature in the future versions of Media Encoder...
it seems odd that PP doesn't allow one to select which, yet allows one to choose it in the (relatively unimportant) clip bin!
Wrong. We have our choice. In Encore shortcut to chapter mark is press star (*).After chapter point appears ,just tick it with mouse and it will be highlighted with red. Now move the timeline header to whereever position you want ,when you are satisfied with the frame in monitor, press shift and star and your poster frame is selected. In case multiple chapter points are available , you should select poster frame earlier to next chapter point else misleading frame not connected to this chapter will appear. you may now proceed with another chapter point and repeat above. Chapter points and poster frame are connected to Encore only and not to Media encoder
Correct me if I misunderstood but Oscar won't want to use Encore at this point but he want's to choose the poster frame shown in Windows...?
Thanks everyone for your time.
I have found a service to host the player and they facilitise uploading a poster frame, so problem solved.
As Arokki_ says it would be good for a feature in encoder!
Can I ask what program you found?
I'm sort of looking for an answer to this too. To say it's not a function of a video encoder is absurd. I need to change the settings of a video file; what other kind of program would I use?
I personally am trying to upload stock to Getty and this is how they choose thumbnails. They supply a doc for using QuickTime Pro 7, but I can't find any similar function in QuickTime X or really any other program. I don't want to pay for QTPro7 just for this one barely-working function.
For reference, Getty's instructions say in QuickTime Pro 7 to go to View->Set Poster Frame, then to move your playhead to the beginning so QuickTime doesn't lose its mind (I'm paraphrasing), then File->Save.
This should really be a feature of Premiere / Media Encoder. I'm not sure what other services support it (Vimeo? YouTube? Wistia?), but it would be super-helpful if they do for the sake of explaining thumbnails to clients.