Måns Rullgård wrote: > Mandeep Kumar<mandeep.ku...@linaro.org> writes: > >>> Vladimir Pantelic<vlado...@gmail.com> writes:
>>> > Either I am doing something wrong or this libjpeg-turbo is not so turbo. >>> >>> Libjpeg (turbo or regular) is full of inefficiencies. I guess they all >>> add up. >>> >> My numbers should only be used for relative comparison purpose as djpeg >> decoding time that I sent also include time to read input file from >> filessystem. Actual decoding speed may be higher when special modification >> are done in djpeg application to read input from memory. > > I doubt reading from a cached file can account for that much time. > Besides, I presume Vladimir was reading his file from somewhere too. my times have been measured around the libavcodec decode() call and include colorspace conversion to YUYV interleaved. I realize that libjpeg might have an additional YUV to RGB step that I did not do since my display is YUV capable. > However, no matter how slow libjpeg is, that's what lots of apps use, > and thus improving it should be beneficial to them insofar jpeg decoding > is a bottleneck. sure, I did not mean for you to stop working on it :) _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
