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Old 7th February 2006, 18:41   #1  |  Link
HookedOnTV
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Have this AVC file... what is it?

I've got this avc file. I think/thought it is a raw AVC file. I would like to get it into something like .mp4 or .mkv and decode with ffdshow/coreavc but I am having no luck. I've tried avc2avi, mp4box, mkvmerge etc etc but am getting no where. The Elecard player with their filters can play it but nothing else. So what do I have? Can anybody identify what this thing is?

Sample chunk: sample
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Old 7th February 2006, 20:02   #2  |  Link
buzzqw
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using elecard avc/h264 decoder +mpc i am able to decode it (seems a trailer for some film... but i don't know it)

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Old 7th February 2006, 20:42   #3  |  Link
slavickas
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00 00 00 01 - raw AVC
plus u said that elecard displays, so why u asking? elecard player shows that it's interlaced so no go with ffdshow/coreavc
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Old 7th February 2006, 21:32   #4  |  Link
bond
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funky stream, uses mbaff and some exotic SEIs
its definitely a raw stream

any idea what encoded this and where it comes from?
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Old 7th February 2006, 21:36   #5  |  Link
SeeMoreDigital
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If it's a RAW stream, would it be possible to use MP4Box to mux it into the .MP4 container?


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Old 7th February 2006, 21:52   #6  |  Link
bond
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not unchanged, as it doesnt start with a keyframe/sps/pps
it looks like the typical hdtv captures or like a file simply cut with a hexeditor or so

you would need to cut away the frames in front of the first sps with a hexeditor before you can use the stream
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Old 7th February 2006, 22:19   #7  |  Link
HookedOnTV
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It's from a provider starting to use mpeg4. I used a hex editor to cut off about 65MB from the end so the sample is from the start of the file. So interlaced is the culprit.
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Old 7th February 2006, 22:29   #8  |  Link
bond
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provider? what kind of provider?
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Old 7th February 2006, 22:34   #9  |  Link
HookedOnTV
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Satellite. There's a third party company that adds a usb output to a subscribed receiver and produces a transport stream output. They had this sample capture on their website. Sounds like a nice idea to be able cap already encoded to mpeg4. Was hoping to be able to put it in a different container than a transport stream.
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Old 7th February 2006, 23:32   #10  |  Link
bond
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any link to that website? and do you know what station this is from?
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Old 7th February 2006, 23:55   #11  |  Link
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http://www.nextcomwireless.com/r5000...4%20Comparison

Looks like they are from hbo on dish.
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Old 8th February 2006, 00:00   #12  |  Link
bond
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interesting thx

i wasnt able to play it anywhere tough
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Old 8th February 2006, 00:15   #13  |  Link
HookedOnTV
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Only thing I could get it to play in is Elecard's player with the AVC plugin. Couldn't get it to play in graphedit or mpc.
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Old 8th February 2006, 00:17   #14  |  Link
bond
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Quote:
Originally Posted by HookedOnTV
Only thing I could get it to play in is Elecard's player with the AVC plugin. Couldn't get it to play in graphedit or mpc.
elecard is also directshow based afaik, so their filters should work in other players too
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Old 8th February 2006, 19:49   #15  |  Link
HookedOnTV
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So... is there any way to convert from interlaced to progressive without a full re-encode?
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Old 8th February 2006, 20:03   #16  |  Link
bond
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no...
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MPEG-4 ASP FAQ | AVC/H.264 FAQ | AAC FAQ | MP4 FAQ | MP4Menu stores DVD Menus in MP4 (guide)
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