Best Lossless Format for Intermediate Files (Vegas Pro 18)

  • Hi There,


    I'm looking at cleaning up some noisy VFR dark video I have for a project, prior to working on my composition. Using Neat DeNoise, standard contrast and sharpening on each individual source file which is VFR from phones. Media info below. But I'm wondering what the best option is for a lossless intermediate format so I don't lose any quality before editing within my larger composition project. I know ProRes is a favorite but rendering is Soooo slow. Wondering if I did a lossless H264 or any other format, it might work just as well and render faster.


    Thanks - I'm new to Voukoder, any recommendations welcome.


    Scott


    ----

    General

    Complete name : C:\Users\me\Documents\Video_local\KPLG\RWTC\20210620_144221.mp4

    Format : MPEG-4

    Format profile : Base Media / Version 2

    Codec ID : mp42 (isom/mp42)

    File size : 1.39 GiB

    Duration : 7 min 1 s

    Overall bit rate : 28.2 Mb/s

    Encoded date : UTC 2021-06-20 18:49:24

    Tagged date : UTC 2021-06-20 18:49:24

    com.android.version : 11


    Video

    ID : 1

    Format : HEVC

    Format/Info : High Efficiency Video Coding

    Format profile : Main@L5.1@Main

    Codec ID : hvc1

    Codec ID/Info : High Efficiency Video Coding

    Duration : 7 min 1 s

    Source duration : 7 min 1 s

    Bit rate : 28.0 Mb/s

    Width : 3 840 pixels

    Height : 2 160 pixels

    Display aspect ratio : 16:9

    Frame rate mode : Variable

    Frame rate : 30.000 FPS

    Minimum frame rate : 15.005 FPS

    Maximum frame rate : 42.898 FPS

    Standard : PAL

    Color space : YUV

    Chroma subsampling : 4:2:0

    Bit depth : 8 bits

    Bits/(Pixel*Frame) : 0.112

    Stream size : 1.37 GiB (99%)

    Source stream size : 1.37 GiB (99%)

    Title : VideoHandle

    Language : English

    Encoded date : UTC 2021-06-20 18:49:24

    Tagged date : UTC 2021-06-20 18:49:24

    Color range : Limited

    Color primaries : BT.709

    Transfer characteristics : BT.709

    Matrix coefficients : BT.709

    mdhd_Duration : 421651

    Codec configuration box : hvcC


    Audio

    ID : 2

    Format : AAC LC

    Format/Info : Advanced Audio Codec Low Complexity

    Codec ID : mp4a-40-2

    Duration : 7 min 1 s

    Bit rate mode : Constant

    Bit rate : 256 kb/s

    Channel(s) : 2 channels

    Channel layout : L R

    Sampling rate : 48.0 kHz

    Frame rate : 46.875 FPS (1024 SPF)

    Compression mode : Lossy

    Stream size : 12.9 MiB (1%)

    Title : SoundHandle

    Language : English

    Encoded date : UTC 2021-06-20 18:49:24

    Tagged date : UTC 2021-06-20 18:49:24

  • Vouk

    Approved the thread.
  • Unfortunately hevc lossless does not seem to be implemented in Voukoder even though it is implemented perfectly in ffmpeg with a transcode script such as this:

    Code
    ffmpeg -i "INFILE.MOV" -c:v libx265 -x265-params lossless=1 "OUTFILE.MOV"

    x264 cannot actually achieve lossless. It's lossless setting is close but ProRes422 is generally a little better quality, faster rendering, and smaller. MagicYUV is another possible option.