[FLVTool2-users] question about modifying frame rate metadata

Brooks Andrus brooks.andrus at gmail.com
Wed Apr 18 14:59:46 EDT 2007


http://www.brooksandrus.com/blog/2007/04/15/change-insert-flv-metadata-values-timestamp-dimensions-with-flvtool2/

you should be able to overwrite the metadata values without issue, 
although its unclear how that will impact the playback of the video.

Brooks

nojoke68 nokoke wrote:
> Hi --  I have some FLV files that have an incorrect frame rate.
> The frame rate is 20 but it should be 5.
>  
> Is it possible to inject new metadata into the FLV file to correct this?
>  
> I.e. I want to make the framerate 4, and perhaps I have to also change 
> the duration of the video from 129.075 to four times that, since the 
> video will get longer.
>  
> Is this possible with this tool?
>  
> I would try it but there is no example of what syntax to use to 
> overwrite existing metadata,
> and the wiki appears to be down.
>  
> Johann
>  
>  
> p.s. below is the current metadata
>  
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
> <duration>129.075</duration>
> <lasttimestamp>129.075</lasttimestamp>
> <videocodecid>2</videocodecid>
> <audiocodecid>5</audiocodecid>
> <audiodelay>0</audiodelay>
> <canSeekToEnd>false</canSeekToEnd>
> <width>320</width>
> <height>240</height>
> <videodatarate>0</videodatarate>
> <audiodatarate>0</audiodatarate>
> <framerate>20</framerate>
> <creationdate>unknown</creationdate>
> <metadatacreator>Manitu Group FLV MetaData Injector 2</metadatacreator>
> <metadatadate>4/18/2007 1:53:37 PM GMT-0500</metadatadate>
> <videosize>3306104</videosize>
> <audiosize>620993</audiosize>
> <datasize>2111</datasize>
> <filesize>3929221</filesize>
> </root>
>  
>
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