Date: Tue, 13 May 2008 20:05:47 +0000 (UTC) From: D Hill <d.hill@yournetplus.com> To: freebsd-questions@freebsd.org Subject: Re: Converting AVI and MPEG Into Still Images Message-ID: <alpine.BSF.1.10.0805132001410.86074@duane.dbq.yournetplus.com> In-Reply-To: <20080513193332.GA89972@demeter.hydra> References: <alpine.BSF.1.10.0805131829410.84635@duane.dbq.yournetplus.com> <20080513191212.GB89794@demeter.hydra> <alpine.BSF.1.10.0805131921050.85197@duane.dbq.yournetplus.com> <20080513193332.GA89972@demeter.hydra>
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On Tue, 13 May 2008 at 13:33 -0600, perrin@apotheon.com confabulated: > On Tue, May 13, 2008 at 07:22:17PM +0000, D Hill wrote: >> On Tue, 13 May 2008 at 13:12 -0600, perrin@apotheon.com confabulated: >> >>> On Tue, May 13, 2008 at 06:31:53PM +0000, D Hill wrote: >>>> >>>> Is there anything in the ports tree I can use to convert AVI and/or MPEG >>>> videos into individual frames as jpg or a different still graphic format? >>> >>> MPlayer should be able to do that. By the way, AVI is a container >>> format, not a codec, and most AVIs use MPEG (in my experience) for video >>> codec. >> >> Thanks for the info. I had not realized MPlayer does that. Josh Tolbert >> also made the same suggestion. I shall pursue figuring out how it's done. > > There are at least two frame capture options for MPlayer that can be > activated during playback -- I've gotten "screenshots" from video in the > past in this manner, using the option that grabs many frame captures over > a short period of time so that I could pick from among several to get the > best image. There may be other ways to do the same, or something > similar. > > If I remember correctly, using the -vf option when you start MPlayer > allows you to grab screenshots with the s (for single) or S (for constant > frame capture) keyboard commands while it's running. I don't know what > the GMPlayer interface offers for the same functionality -- never use the > thing. Thanks for the tip. I did some Google searching and am actually doing it right from a terminal now: For the entire AVI: mplayer -vo jpeg -nosound my_avi.avi Starting from a specific spot: mplayer -vo jpeg -ss 00:15:00 -nosound my_avi.avi Starting from a specific spot for a number of frames: mplayer -frames 150 -vo jpeg -ss 00:15:00 -nosound my_avi.avi
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