[gst-devel] Live Video Stream Mixer

[Julien Isorce]

2009/10/27 Stefan Kost <ensonic at hora-obscura.de>

> Nick Daniels schrieb:
>
> > 3) Low latency is desirable, how powerful a PC would be required for
> > this decoding, mixing and recoding multiple low-res live video streams
> > and is there any graphics hardware acceleration available with GStreamer
> > using CUDA, OpenCL or similar?
>
> There is not opencl for linux as far as I know. Besides all the gfx
> accelerated
> video stuff is quite new on linux, as hardware vendors are not really
> supportive
> here.
>
> Stefan
>
>
Hi,

Just a note about that. Actually, I have tested OpenCL on a kubuntu, last
week.
It requires to install the last nvidia driver which is a beta: (
http://www.nvidia.com/object/cuda_opencl.html )
Linux  NVIDIA Drivers for Linux (190.29)
32-bit<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/drivers/nvdrivers_2.3_linux_32_190.29.run>
64-bit<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/drivers/nvdrivers_2.3_linux_64_190.29.run>
     OpenCL Visual Profiler v1.0 Beta
32-bit<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/toolkit/openclprof_1.0-beta_linux_32.tar.gz>
64-bit<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/toolkit/openclprof_1.0-beta_linux_64.tar.gz>
  Release Notes<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/toolkit/docs/openclprof_1.0-beta_release_notes_linux.txt>

License<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/toolkit/docs/openclprof_eula.txt>

   GPU Computing SDK code samples and more
download<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/sdk/gpucomputingsdk_2.3b_linux.run>
  Release Notes<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/sdk/docs/release_notes_opencl.txt>

License<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/sdk/docs/sdk_eula.pdf>

Best Practices Guide<http://developer.download.nvidia.com/compute/cuda/2_3/opencl/docs/NVIDIA_OpenCL_BestPracticesGuide.pdf>

   I tried some of the examples and it works pretty well.

Anyway, it's not used in gstreamer yet.

Julien
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20091027/2643f7e0/attachment.htm>