vo_opengl, vo_vdpau, vo_direct3d had the code for setting up mp_osd_res
duplicated. Make things simpler by making calc_src_dst_rects() setup
the full mp_osd_res structure, instead of just "borders".
Also, rename that function to vo_get_src_dst_rects(), and make it use
mp_rect. Remove vo_rect, which was annoying because it contains
redundant members (width/height additional to right/bottom).
Add code to print the video rect etc. in verbose mode.
There should be no actual change how the video rects are calculated. The
only exception are the bottom/right subtitle margins, which are now
computed slightly differently, but that shouldn't matter.
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 (for libass)
- libfontconfig (for libass)
- 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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