@file Todo		@brief A software HD output device for VDR

Copyright (c) 2011, 2012 by Johns.  All Rights Reserved.

Contributor(s):

License: AGPLv3

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

$Id: $

missing:
    video out with xv
    video out with opengl
    software decoder for xv / opengl
    software deinterlace
    auto crop
    atmolight
    zoom/fit-zoom 4:3
    multistream handling
    HDMI/SPDIF Passthrough
    disable screensaver
    disable window cursor

vdpau:
    1080i with temporal spatial and level 1 scaling too slow with GT 520
    1080i with temporal spatial too slow with GT 520 on some channels
    VdpPreemptionCallback handling

libva-intel-driver:
    intel still has hangups most with 1080i
    1080i does no v-sync (workaround written)
    osd has sometimes wrong size (workaround written)

libva-vdpau-driver:
    G210 osd update too slow (needs hardware problem workaround)
    OSD update is too slow
    hangup on exit (VaapiDelDecoder -> VaapiCleanup
	-> vaDestroyContext -> pthread_rwlock_wrlock)

libva-xvba-driver:

x11:
    support resize of x11 window
    support fullscreen window
    support fullscreen / window toggle
    close window should send power button
    disable cursor

audio/alsa:
    done? video/audio asyncron
    random crashes in av_parser_parse2, when switching channels
    sometimes alsa hangs

    better downmix of >2 channels on 2 channel hardware
    remix support of unsupported sample rates
    libav supports only resample of mono to 2 channels
    ffmpeg didn't support resample of 5 to 2 channels
    CodecAudioOpen can fail "can't open audio codec" and does Fatal exit.

audio/oss:
    alsa oss emulation mixer "pcm" not working
    ring buffer overflow with alsa oss emulation

playback of recording
    play back is too fast

setup:
    Setup of decoder type.
    Setup of output type.
    Setup of display type.
    Setup 4:3 zoom type
    Setup parameters are not used until restart.
	Can a notice be added to the setup menu?