Activity for Dave Prosser

  • Dave Prosser Dave Prosser posted a comment on discussion General Discussion

    Hi Thomas, Thanks for your work getting AVC working in BMX! I've been talking a bit about this in another thread and have uploaded a sample of Long GOP H264 that was created in Avid, if that's helpful too: https://sourceforge.net/p/bmxlib/discussion/general/thread/ba7a0e51/#7ee4

  • Dave Prosser Dave Prosser modified a comment on discussion General Discussion

    Thanks for looking into it, I've managed to get MXFs working in 1920x1080 using mpeg2 with ffmpeg and bmx, but it's about 2-3x the size as a similar quality h264 would be. I've used Blackmagic Resolve for making compatible files, but I'm looking for something I can script with - I'll be keeping an eye on their command line tools, not sure if there's anything ready for it just yet? Is that Baselight by FilmLight? Does that do what I'm looking for? I'm OK with paying for it if it works and has the...

  • Dave Prosser Dave Prosser posted a comment on discussion General Discussion

    Thanks for looking into it, I've managed to get MXFs working in 1920x1080 using mpeg2 with ffmpeg and bmx, but it's about 2-3x the size as a similar quality h264 would be. I've used Blackmagic Resolve for making compatible files, but I'm looking for something I can script with - I'll be keeping an eye on their command line tools, not sure if there's anything ready for it just yet? Is that Baselight by FilmLight? Does that do what I'm looking for? I'm OK with paying for it if it works and has the...

  • Dave Prosser Dave Prosser posted a comment on discussion General Discussion

    Awesome, thanks man. Attached is a few seconds of video, made in MC - it's listed as "AVC Long GOP 6 MXF" - The 6 refers to the bitrate in Mbps (MediaInfo agrees) as there are also options for 12, 25 and 50, but I'd be well happy with 6Mbps, it's perfectly acceptible quality for rough editing. Below that it shows an "Encoding Profile" of "Panasonic AVC Long-GOP G6 (4:2:0 High Profile)" so I'm assuming it's just emulating the Panasonic G6 format, which makes sense as Avid supports that natively There's...

  • Dave Prosser Dave Prosser modified a comment on discussion General Discussion

    Hey, I don't blame you, that sounds more interesting...! Yep I'm still looking into this - you're right on the spec, 1920x1080 at around 6-10Mbps in either MJPEG or a small GOP H264 (guessing this would be more worthwhile to look at). This would purely be for use in Avid, to be able to drop straight into the MediaFiles folder like we can with the DNxHD. Main reason for trying to get sizes down is we're hoping to send these files over the Internet, so if we can do them at 9Mbps, it would take a quarter...

  • Dave Prosser Dave Prosser posted a comment on discussion General Discussion

    Hey, I don't blame you, that sounds more interesting...! Yep I'm still looking into this - you're right on the spec, 1920x1080 at around 6-10Mbps in either MJPEG or a small GOP H264 (guessing this would be more worthwhile to look at). This would purely be for use in Avid, to be able to drop straight into the MediaFiles folder like we can with the DNxHD. Main reason for trying to get sizes down is we're hoping to send these files over the Internet, so if we can do them at 9Mbps, it would take a quarter...

  • Dave Prosser Dave Prosser posted a comment on discussion General Discussion

    Hi Jamie, I know this is a revival of a super old thread but, firstly I wanted to thank you for your work on that scripting - it still worked like a charm! At the moment I'm looking at creating HD Avid ready proxies with ffmpeg/bmx/ any tools that will do so that I can script with basically. I wondered if you'd had any joy with making HD proxies? I'm hoping to make files with a lower bitrate than DNxHD 36, but better quality than the 2Mbps H264 proxies that Avid makes. Perhaps 8Mbps MJPEG. Or if...

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