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Activity Forums DVD Authoring HDV To Blu Ray Without Transcoding

  • HDV To Blu Ray Without Transcoding

    Posted by Brian Mills on November 30, 2010 at 6:35 am

    So I have 20 hours of HDV tapes I want to put onto Blu Ray discs (10).

    I do not want to edit the footage, I do want menus, but I do NOT want to transcode the footage (my HDV is 1080i60 which at 25 megabit MPEG-2 is Blu Ray compliant).

    Here is what I did:

    1. Capture HDV tapes in Premiere Pro
    2. Batch demux the capture files in MPEG Streamclip back to separate m2v and AIFF files
    3. Open Encore, import my demuxed clips, set the transcode properties to match my HDV footage (1080×1440 60i 25 megabit MPEG-2)
    4. The audio will want to transcode (for some reason) but NOT THE VIDEO – hooray!
    5. Build/burn my project to Blu Ray

    It worked. I am posting this here because it took me hours of trying different methods to get this to work. I am very much a Final Cut Pro guy, and for some reason, I COULD NOT find a way to demux the HDV FCP capture clips.

    If anyone knows a way to do that, please let me know.

    Also, the next step, if I want to do some basic editing to the timeline in Premiere, will I HAVE to transcode/re-encode the HDV footage to export into Encore?

    Any insight is appreciated. Thanks!

    Nick Hope replied 13 years, 1 month ago 5 Members · 5 Replies
  • 5 Replies
  • Eric Pautsch

    November 30, 2010 at 5:18 pm

    Thats impossible. BD doesnt support 1080×1440 MPEG 2…only AVC or VC-1 in this frame size. It must be transcoding somewhere along the way.

  • Jeff Pulera

    November 30, 2010 at 9:57 pm

    Eric,

    I’m looking at the Adobe Media Encoder CS5 settings right now, and 1440×1080 is definitely available for both MPEG-2 and H.264 output for Blu-ray, and I’ve used those settings before.

    Although both HDV and Blu-ray both use Long-GOP MPEG-2, I am surprised that Encore would find the MPEG-2 file “Blu-ray” compatible, as there are many factors that make the video Blu-ray compliant. Maybe Encore is only looking at the fact that the file is “.m2v” and not the details.

    Have you tested the disc on a few different players to make sure it actually works ok? Adobe is set for “High Level, Main Profile” encoding, I don’t know if HDV uses the same parameters.

    Your AIFF audio is being transcoded in Encore to Dolby Digital for Blu-ray compliance, as AIFF is not part of the spec.

    Jeff Pulera
    Safe Harbor Computers

  • Eric Pautsch

    December 1, 2010 at 1:00 am

    HDV is a codec that is not compatible with BD as is. Here are the official spec….unless something has changed recently those settings are incorrect. Anyway you can open one of those streams encoded 1440 MPEG2 with media info and see what the resolution is?

    Video codecs MPEG2 – MP@HL and MP@ML
    AVC/H264 – MPEG-4 AVC: HP@4.1/4.0 and MP@4.1/4.0/3.2/3.1/3.0
    VC-1 – AP@L3 and AP@L2
    Video frame size

    High Definition Video
    1920x1080x59.94i, 50i (16:9)
    1920x1080x24p, 23.976p (16:9)
    1440x1080x59.94i, 50i (16:9) AVC / VC-1 only
    1440x1080x24p, 23.976p (16:9) AVC / VC-1 only
    1280x720x59.94p, 50p (16:9)
    1280x720x24p, 23.976p (16:9)
    Standard Definition Video
    720x480x59.94i (4:3/16:9)
    720x576x50i (4:3/16:9)
    Max video bitrate 40 MBps
    Audio codecs Dolby Digital up to 5.1 channels (Max 640kbps)
    Dolby Digital Plus up to 7.1 channels (Max 4.736Mbps)
    Dolby Lossless up to 9 channels (Max 18.64Mbps)
    DTS up to 5.1 channels (Max 1.524Mbps)
    DTS HD up to 9 channels (Max 24.5Mbps)
    Linear PCM up to 9 channels (Max 27.648Mbps)
    Subtitles Image bitmap subtitles
    Text subtitles – select different font styles, sizes and colors for the subtitles, or location on screen, depending on the disc’s offerings. Subtitles can be animated, scrolled or faded in and out.
    Other Features HDMV mode
    Offers all features of DVD-Video and more. The authoring process is in line with DVD-Video creation.
    BD-J mode
    Offers unparalleled flexibility and features, because it is based on the Java runtime environment. It allows for extensive interactive applications, and offers Internet connectivity.
    Maximum total bitrate 48 Mbits
    Maximum data transfer rate 54 Mbits
    More information https://www.blu-raydisc.com/

  • Michael Kammes

    December 1, 2010 at 1:21 am

    I’d go a different route.

    I recommend this for ANYONE who has headaches with HDV.

    Get it out of the HDV codec before it even hits your computer. Devices like the Miranda HD-Bridge DEC+. https://www.miranda.com/HD-Bridge%20DEC+ can get it into a baseband format.

    This can be done prior to getting into your NLE or, inline between your HDV deck and your BD Recorder.

    Expensive way:

    https://www.bhphotovideo.com/c/product/683187-REG/JVC.html

    I hate to reference B&H, but this lists all the components you need: Editrol converter and JVC Recorder.

    Cheaper Way:

    Get an HDV deck that has Component HD and analog audio out. Run that to BD recorder. Hit record. You can also try HDMI, if your deck / camera has HDMI output, and your BD recorder has it.

    .: michael kammes mpse
    .: senior applications editor . post workflow consultant
    .: audio specialist . act fcp . acsr
    .: michaelkammes.com

  • Nick Hope

    January 23, 2011 at 6:01 pm

    Eric, the limitation on MPEG-2 at 1440×1080 was in the draft specification from March 2005. The final specification (page 15) does not have this limitation, and none of the authoring software I have used has this limitation either. I do not know 100% for sure that the limitation was not shown in early “finalised” specs because I can’t find any earlier than April 2010. If it was, then there is a small chance that older players won’t like the disc. But I sold a few 1080-60i MPEG-2 Blu-rays to various customers in 2009 and did not have a complaint.

    The Blu-ray Wikipedia page was showing the limitation, so I changed it yesterday.

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