[Norman Black]

[Stephen Crye] “Wow … you actually looked at the code? Where did you find it? What language?”

I looked at the symbol table and scanned the string tables. Looking at this there are very clear references to the various AMD architectures MC claims to support (6xxx and lower). No Tahiti which was the first GCN architecture.

Taking this and the fact that my 5850 card worked with MC AVC OpenCL and my new 7950 (Tahiti) does not, and Nvidia cards are not supported by the OpenCL encoder, it is a simple comclusion, albeit minimally informed, that MC hard coded their OpenCL encoder to specific AMD architectures.

One can speculate that MC may have done the same thing with the AVC CUDA encoder. I don’t care so I never looked.

[Norman Black]

[Ron Whitaker] “Does Quicktime not do a lot of compression when rendered?”

Quicktime what? Quicktime is a file format that can contain many types of encoded video streams. So unless you talk about a specific video codec then one cannot answer that question.
Codecs might be AVC, mpeg-2, DNxHD.

DNxHD would give you the least compressions and biggest files. For that you would have to download the free DNxHD codec from Avid.

https://avid.force.com/pkb/articles/en_US/download/Avid-Codecs-LE-2-3-9

In another thread you asked about Cineform. This would be similar to DNxHD.

A high bitrate AVC/H.264 stream is another high quality option.

[Norman Black]

Cineform is a codec. It is an intermediate codec similar to DNxHD and ProRes. You would use Cineform for some of the same reasons you would use the other intermediate codecs. Exactly which intermediate one would choose depends in who and what you are interfacing with.

GoPro owns Cineform these days and they have multiple versions of their software. The free and the more feature rich paid versions.

I can’t speak to the paid versions but the free one is a tool to transcode to Cineform and do some basic trimming and edits.

[Norman Black]

Maybe. Mediainfo does not show anything. I did a test image sequence.

Complete name : D:\Renders\Blue Skies_000000.dpx
CompleteName_Last : D:\Renders\Blue Skies_000164.dpx
Format : DPX
Format version : Version 2
File size : 980 MiB
Encoded date : 2014:01:22:18:29:33:UTC

Video
Format : DPX
Format version : Version 2
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossless
Stream size : 980 MiB (100%)
Encoded date : 2014:01:22:18:29:33:UTC
Color primaries : Linear

[Norman Black]

Mainconcept AVC OpenCL does not support AMD graphics core next GPUs. This is the 7xxx series and the new R9 GPU. It works fine with 6xxx and 5xxx cards. I used to have a 5xxx card.

The Vegas video engine (GPU in video preferences) and Sony AVC both work fine with newer AMD GPUs.

Digging into the MC AVC OpenCL DLL it appears that MC customized the encoder to each AMD architecture. They do not seem to have a “generic” version.

[Norman Black]

[Stephen Crye] “Ever since Adobe started the Creative Cloud debacle, I refuse to give them another thin dime.”

Same here. Photoshop CS6 is my last one, and really, CS6 is damn capable now and in the future. The only ugly thing is if I get a new DSLR beyond those currently supported. The raw files will not be directly supported, but you can always go through DNG.

[Norman Black]

Can that recorder output an MP4 or MOV file. You would be better off with those.

[Norman Black]

Image sequences do not have a frame rate. They are not videos. They are just a collection of static images sequentially numbered.

When you import an image sequence into a video editor, then those images become frames in a video stream and adopt the frame rate of that video stream. So maybe your colourist mistakenly imported the sequence to 24fps.

I assume you used Render As, Image sequence and the DPX template?

[Norman Black]

You need to install an AVC codec for Video for Windows. x264vfw might be a choice, but I have read reports that it is not actively developed and is quirky. AVC in an AVI file is unusual.

For AVI files, Vegas goes through the Video for Windows subsystem. This is an extremely old subsystem, depreciated since 1996. So anything, “new” like AVC you are going to need to install Video for Windows codecs to get it to work in Vegas. Vegas has AVC codecs but they are not used in Video for Windows files.

[Norman Black]

[John Rofrano] “Workflow is everything.”

Across all industries…it is not what is possible but what you can deliver and workflow greatly affects delivery.