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Speed Up FFMpeg Still Image to Video, or other software?
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I have a large 8k 360 degree image file that I recently rendered. For showcasing purposes, I want to convert this into a few minutes of video so people can view it in youtube's VR 360 viewer. However, this is turning out to be an exceedingly slow process.
Currently I am using ffmpeg: ffmpeg -loop 1 -i input.png -pix_fmt yuv420p -c:v libx264 -preset ultrafast -r 24 -threads 128 -t 1 output.mp4
This only gives me around 1FPS on my (reasonably fast) laptop, and a few more on my more powerful desktop CPU. I have tried using GPU, however FFMPEG errored out saying that my GTX card couldn't handle the 8192x8192 image. So, I'm currently stuck with hours of encoding for a few minutes of video - are there any faster ways of doing this?
BTW I am using linux, I have access to a gaming card (although it might not be useful, as mentioned earlier). I am limited to FOSS/free software at this time - no payed applications. Preferably I would like to do this in ffmpeg. I have an NVME SSD drive so I'm not expecting data read to be a bottleneck, but maybe it is?
video ffmpeg
New contributor
add a comment |
I have a large 8k 360 degree image file that I recently rendered. For showcasing purposes, I want to convert this into a few minutes of video so people can view it in youtube's VR 360 viewer. However, this is turning out to be an exceedingly slow process.
Currently I am using ffmpeg: ffmpeg -loop 1 -i input.png -pix_fmt yuv420p -c:v libx264 -preset ultrafast -r 24 -threads 128 -t 1 output.mp4
This only gives me around 1FPS on my (reasonably fast) laptop, and a few more on my more powerful desktop CPU. I have tried using GPU, however FFMPEG errored out saying that my GTX card couldn't handle the 8192x8192 image. So, I'm currently stuck with hours of encoding for a few minutes of video - are there any faster ways of doing this?
BTW I am using linux, I have access to a gaming card (although it might not be useful, as mentioned earlier). I am limited to FOSS/free software at this time - no payed applications. Preferably I would like to do this in ffmpeg. I have an NVME SSD drive so I'm not expecting data read to be a bottleneck, but maybe it is?
video ffmpeg
New contributor
1
I would try 2 threads for each physical core. Running too many threads will make the cpu run out of L1 and L2 cache, so It will use system memory which is much slower.
– davidbaumann
3 mins ago
add a comment |
I have a large 8k 360 degree image file that I recently rendered. For showcasing purposes, I want to convert this into a few minutes of video so people can view it in youtube's VR 360 viewer. However, this is turning out to be an exceedingly slow process.
Currently I am using ffmpeg: ffmpeg -loop 1 -i input.png -pix_fmt yuv420p -c:v libx264 -preset ultrafast -r 24 -threads 128 -t 1 output.mp4
This only gives me around 1FPS on my (reasonably fast) laptop, and a few more on my more powerful desktop CPU. I have tried using GPU, however FFMPEG errored out saying that my GTX card couldn't handle the 8192x8192 image. So, I'm currently stuck with hours of encoding for a few minutes of video - are there any faster ways of doing this?
BTW I am using linux, I have access to a gaming card (although it might not be useful, as mentioned earlier). I am limited to FOSS/free software at this time - no payed applications. Preferably I would like to do this in ffmpeg. I have an NVME SSD drive so I'm not expecting data read to be a bottleneck, but maybe it is?
video ffmpeg
New contributor
I have a large 8k 360 degree image file that I recently rendered. For showcasing purposes, I want to convert this into a few minutes of video so people can view it in youtube's VR 360 viewer. However, this is turning out to be an exceedingly slow process.
Currently I am using ffmpeg: ffmpeg -loop 1 -i input.png -pix_fmt yuv420p -c:v libx264 -preset ultrafast -r 24 -threads 128 -t 1 output.mp4
This only gives me around 1FPS on my (reasonably fast) laptop, and a few more on my more powerful desktop CPU. I have tried using GPU, however FFMPEG errored out saying that my GTX card couldn't handle the 8192x8192 image. So, I'm currently stuck with hours of encoding for a few minutes of video - are there any faster ways of doing this?
BTW I am using linux, I have access to a gaming card (although it might not be useful, as mentioned earlier). I am limited to FOSS/free software at this time - no payed applications. Preferably I would like to do this in ffmpeg. I have an NVME SSD drive so I'm not expecting data read to be a bottleneck, but maybe it is?
video ffmpeg
video ffmpeg
New contributor
New contributor
New contributor
asked 7 mins ago
coder.kalyancoder.kalyan
1
1
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I would try 2 threads for each physical core. Running too many threads will make the cpu run out of L1 and L2 cache, so It will use system memory which is much slower.
– davidbaumann
3 mins ago
add a comment |
1
I would try 2 threads for each physical core. Running too many threads will make the cpu run out of L1 and L2 cache, so It will use system memory which is much slower.
– davidbaumann
3 mins ago
1
1
I would try 2 threads for each physical core. Running too many threads will make the cpu run out of L1 and L2 cache, so It will use system memory which is much slower.
– davidbaumann
3 mins ago
I would try 2 threads for each physical core. Running too many threads will make the cpu run out of L1 and L2 cache, so It will use system memory which is much slower.
– davidbaumann
3 mins ago
add a comment |
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I would try 2 threads for each physical core. Running too many threads will make the cpu run out of L1 and L2 cache, so It will use system memory which is much slower.
– davidbaumann
3 mins ago