[FFmpeg-user] Copying YUV data take huge amount of memory and time
Carl Eugen Hoyos
cehoyos at ag.or.at
Sat Jul 7 13:15:06 CEST 2012
Ajita Pandey <Ajita-Pandey <at> hcl.com> writes:
> I am integrating hardware codecs in ffmpeg code.
> But while I am trying decode video data using function
> virtual to physical memory it takes lots of time and memory.
I suspect the whole concept of hardware decoding on the GPU
makes a lot of sense and works fine if you use the decoded
data on the GPU (i.e. you display it), it probably does not
work so well if you choose to copy the decoded frame from
the GPU (memory) into main memory.
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