Importing lossless files

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Daniel Barth

  • Posts: 1
  • Joined: Fri Jul 14, 2017 7:33 am

Importing lossless files

PostFri Jul 14, 2017 7:55 am

Hello everyone,

I am new to Resolve, and while I am already making progress regarding the controls and everything, I am having a lot of trouble with file formats and video codecs.

According to PDF DaVinci_Resolve_12.5_Supported_Codec_List.pdf (am not allowed to post link) it should be possible to open certain uncompressed AVI files with DaVinci Resolve. I recorded a file with OBS Studio (aka Open Broadcaster Software Studio) and it gives this information with MediaInfo:

Code: Select all
Complete name                            : F:\VIDEO FOOTAGE\2017-07-13_15-33-05.avi
Format                                   : AVI
Format/Info                              : Audio Video Interleave
File size                                : 432 MiB
Duration                                 : 25 s 167 ms
Overall bit rate                         : 144 Mb/s
Writing application                      : Lavf57.66.102

ID                                       : 0
Format                                   : YUV
Codec ID                                 : ULY0
Codec ID/Info                            : Ut Video Lossless Codec
Codec ID/Hint                            : Ut Video
Duration                                 : 25 s 167 ms
Bit rate                                 : 142 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate                               : 30.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Compression mode                         : Lossless
Bits/(Pixel*Frame)                       : 2.291
Stream size                              : 428 MiB (99%)

ID                                       : 1
Format                                   : PCM
Format settings, Endianness              : Little
Format settings, Sign                    : Signed
Codec ID                                 : 1
Duration                                 : 25 s 147 ms
Bit rate mode                            : Constant
Bit rate                                 : 1 411.2 kb/s
Channel(s)                               : 2 channels
Sampling rate                            : 44.1 kHz
Bit depth                                : 16 bits
Stream size                              : 4.23 MiB (1%)
Alignment                                : Aligned on interleaves
Interleave, duration                     : 23  ms (0.70 video frame)

The file does not show up when opening its folder under "Media". I tried to gather more information on the topic and now understand that lossless is not the same as uncompressed, but I also tried multiple other lossless, uncompressed or high quality output formats in OBS, none of them were accepted by Resolve. MP4 and MOV are visible under "Media" but with a big red sign stating "Media Offline".

I am recording screencasts with OBS (not games but web applications) and would like to have the best quality when editing. Using a lossy codec always means that e.g. the text on buttons and such does not look as sharp as when using a lossless codec.

What format / codec could I use? I am also completely fine with converting files before importing them to Resolve. File size is not an issue as my videos will only be a few minutes long each.

Any help is highly appreciated!

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