Changing Start Frame and Offset of an Image Texture node with Eevee does not immediately update [it does on framechange though] #72143

New Issue

Manda Rajoelisolo · 2019-12-03T14:05:03+01:00

Manda Rajoelisolo commented

2019-12-03 14:05:03 +01:00

System Information
Operating system: Windows 10 RS6 Pro v1903 July 2019
Graphics card: NVIDIA GeForce 920M

Blender Version
Broken: Blender 2.81.16 (official release), and it was broken a long long time ago since 2.80, nobody reports it.

Short description of error
Start Frame and Offset of an Image Texture Node don't work with Eevee (Material Preview or Rendered), but it works with Cycles.

Exact steps for others to reproduce the error

Save this video file: F8191229
Save & open this blend file: #72143-image-node-video-start-offset.blend
Change the Start Frame or Offset of the Image Texture Node.
See that the viewport doesn't update.
Change the current frame.
See the video pop to the correct frame.

Edit (optional):

Open any music video in your computer.
It's possible that it appears very black because the beginning of the video is black and it seems impossible to solve it.
Never forget to change the Frames to 100 or something, then move the Current Frame to check the video animation.

To recreate the above blend file:

Add an Image Texture Node.
Open a video file, for example F8191229.
Change the Frames to 100.
Switch to Material Preview in EEVEE.

**System Information** Operating system: Windows 10 RS6 Pro v1903 July 2019 Graphics card: NVIDIA GeForce 920M **Blender Version** Broken: Blender 2.81.16 (official release), and it was broken a long long time ago since 2.80, nobody reports it. **Short description of error** Start Frame and Offset of an Image Texture Node don't work with Eevee (Material Preview or Rendered), but it works with Cycles. **Exact steps for others to reproduce the error** ![Image.jpg](https://archive.blender.org/developer/F8191234/Image.jpg) - Save this video file: [F8191229](https://archive.blender.org/developer/F8191229/Tiny_Video.mp4) - Save & open this blend file: [#72143-image-node-video-start-offset.blend](https://archive.blender.org/developer/F8289682/T72143-image-node-video-start-offset.blend) - Change the Start Frame or Offset of the Image Texture Node. - See that the viewport doesn't update. - Change the current frame. - See the video pop to the correct frame. **Edit (optional):** - Open any music video in your computer. - It's possible that it appears very black because the beginning of the video is black and it seems impossible to solve it. - Never forget to change the Frames to 100 or something, then move the Current Frame to check the video animation. ![Frames.png](https://archive.blender.org/developer/F8191243/Frames.png) To recreate the above blend file: - Add an Image Texture Node. - Open a video file, for example [F8191229](https://archive.blender.org/developer/F8191229/Tiny_Video.mp4). - Change the Frames to 100. - Switch to Material Preview in EEVEE.

Manda Rajoelisolo commented

2019-12-03 14:05:03 +01:00

Added subscriber: @manda.3d.projects

Philipp Oeser commented

2019-12-04 14:59:22 +01:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2019-12-04 14:59:22 +01:00

Cannot reproduce this [working relaibly here -- unless you set the offset to something that can then not be found in the sequence/movie...]

So in order to really reproduce, please provide a .blend file and an movie you can share, with exact setting for offset/start frame that are not working for you...

Cannot reproduce this [working relaibly here -- unless you set the offset to something that can then not be found in the sequence/movie...] So in order to really reproduce, please provide a .blend file and an movie you can share, with exact setting for offset/start frame that are not working for you...

Manda Rajoelisolo commented

2019-12-05 11:36:58 +01:00

It doesn't work with my computer, whatever the Offset and Start Frame, it never never work whatever their values.

I updated the Screenshot and the .blend file, but the problem is I cannot upload the video as an attachment, so you cannot download it. But you can use any video.

It doesn't work with my computer, whatever the Offset and Start Frame, it never never work whatever their values. I updated the Screenshot and the .blend file, but the problem is I cannot upload the video as an attachment, so you cannot download it. But you can use any video.

Philipp Oeser commented

2019-12-05 11:52:13 +01:00

Used your video in your file:

Step 4: You cannot use Start Frame or Offset due to the bug.

Yes I can. This is what I get with an offset of 50 (notice the video is really offset):

This is what I get with an offset of 0:

(only thing I have to do after specifying the offset in the node is to change the frame -- via timeline or shortcut)

What exactly do you mean by "cannot use Start Frame or Offset" or "now see that it doesn't work"?
What are you seeing whit an offset of 50?

Used your video in your file: > Step 4: You cannot use Start Frame or Offset due to the bug. Yes I can. This is what I get with an offset of 50 (notice the video is really offset): ![image.png](https://archive.blender.org/developer/F8191251/image.png) This is what I get with an offset of 0: ![image.png](https://archive.blender.org/developer/F8191253/image.png) (only thing I have to do after specifying the offset in the node is to change the frame -- via timeline or shortcut) - What exactly do you mean by "cannot use Start Frame or Offset" or "now see that it doesn't work"? - What are you seeing whit an offset of 50?

Manda Rajoelisolo commented

2019-12-05 12:19:46 +01:00

Please play this video, it's not an image.
Here is a video I took with my phone, I'm sorry I don't know to use a video screen capturer.
Capture.mp4

**Please play this video, it's not an image.** Here is a video I took with my phone, I'm sorry I don't know to use a video screen capturer. [Capture.mp4](https://archive.blender.org/developer/F8191274/Capture.mp4)

Philipp Oeser commented

2019-12-05 12:29:52 +01:00

(only thing I have to do after specifying the offset in the node is to change the frame -- via timeline or shortcut)

try this

> (only thing I have to do after specifying the offset in the node is to change the frame -- via timeline or shortcut) try this

Manda Rajoelisolo commented

2019-12-05 12:39:00 +01:00

In #72143#824248, @lichtwerk wrote:

(only thing I have to do after specifying the offset in the node is to change the frame -- via timeline or shortcut)

try this

Changing the frame is refreshing the video with the specified Offset. Thanks, I've never knew that because it 50% solve the problem. But anyway there's always a bug in the video above. But changing the Offset doesn't refresh the video.

> In #72143#824248, @lichtwerk wrote: >> (only thing I have to do after specifying the offset in the node is to change the frame -- via timeline or shortcut) > try this Changing the frame is refreshing the video with the specified Offset. Thanks, I've never knew that because it 50% solve the problem. But anyway there's always a bug in the video above. But changing the Offset doesn't refresh the video.

Philipp Oeser commented

2019-12-05 12:50:42 +01:00

OK, the immediate update when changing it on the node could be considered a bug [with lower priority].

Philipp Oeser changed title from ~~I cannot use Start Frame and Offset of an Image Texture with Eevee~~ to Changing Start Frame and Offset of an Image Texture node with Eevee does not immediately update [it does on framechange though]

2019-12-05 12:51:58 +01:00

Sybren A. Stüvel commented

2020-01-20 14:13:55 +01:00

Added subscriber: @dr.sybren