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860e66818b6f93d80f0e61763de21892c8596dc0
Do a proper calculation of free RAM to be used as V4L buffers. The code uses sysinfo to query the available RAM, however it used ancient form available in some early development 2.3.x kernels. Newer form reports the size in memory units (usually same as page size), as result the code would fall back on 2 buffers even on multi GB system. The commit does: Improve the check in configure to ensure that we do use sysinfo struct with present mem_unit. Use free RAM instead of total RAM (to avoid swapping). Tweak memory constants and simplify code. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@33732 b3059339-0415-0410-9bf9-f77b7e298cf2
Compiling with full features requires development files for several external libraries. Below is a list of some important requirements. For more information see the output of './configure --help' for a list of options, or look at the list of enabled and disabled features printed after running './configure'. If you think you have support for some feature installed but configure fails to detect it, the file config.log may contain information about the reasons for the failure. Libraries specific to particular video output methods (you'll want at least one of VDPAU, GL or Xv): - libvdpau (for VDPAU output, best choice for NVIDIA cards) - libGL (OpenGL output) - libXv (XVideo output) general: - libasound (ALSA audio output) - various general X development libraries - libfreetype - libfontconfig - libass - FFmpeg libraries (libavutil libavcodec libavformat libswscale libpostproc) Most of the above libraries are available in suitable versions on normal Linux distributions. However FFmpeg is an exception (distro versions may be too old to work at all or work well). For that reason you may want to use the separately available build wrapper that first compiles FFmpeg libraries and libass, and then compiles the player statically linked against those.
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