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642e963c86
"Almost" because this might contain copyright by michael, who agreed with LGPL, but only once the core is LGPL. This is preparation for that to happen. Apart from that, the usual remarks apply. In particular, dec_video.c started out quite chaotic with no modularization, but was later basically gutted, and in general rewritten a bunch of times. Not going to give a history lesson. Special attention needs to be given to 3 patches by cehosos, who did not agree to the relicensing:240b743ebd: --field-dominancee32cbbf7dc: reinit VO if aspect ratio changes306f6243fd: use container aspect if codec aspect unset (?) The first patch is pretty clearly still in the current code, and needs to be disabled for LGPL. The functionality of the second patch is still active, but implemented completely different, and as part of general frame parameter changes (at the time of the patch, MPlayer already reinitialized the VO on frame size and pixel format changes - all this was merged into a single check for changing image parameters). The third patch makes me a bit more uncomfortable. It appears the code was moved to dec_video.c inde68b8f23c, and further changed in82f0d373,0a0bb905, andbf13bd0d. You could claim that cehoyos' copyright still sticks. Fortunately, we implement alternative aspect detection, which is simpler and probably preferable, and which arguably contains none of the original code and logic, and thus should be fully safe. While I don't know if cehoyos' copyright actually still applies, I'm more comfortable with making the code GPL-only for now. Also change the default to use the (in future) plain LGPL code, and deprecate the one associated with the GPL code, so we can eventually remove the GPL code. But it's also possible we decide that the copyright doesn't apply, and undo the deprecation and GPL guards. I expect that users won't notice anything. If you ask me, the old aspect method was probably an accidental bug instead of intentional behavior. Although, the new aspect method was broken too, so I had to fix it.
357 lines
16 KiB
Plaintext
357 lines
16 KiB
Plaintext
mpv is a fork of mplayer2, which is a fork of MPlayer.
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mpv as a whole is licensed as GPL version 2 or later (see LICENSE). Most source
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files are GPLv2+, but some files are available under a more liberal license,
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such as LGPLv2.1+, BSD, MIT, ISC, and possibly others. Look at the copyright
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header of each source file, and grep the sources for "Copyright" if you need
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to know details. C source files without Copyright notice are licensed as
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LGPLv2.1+. Also see the list of files with specific licenses below (not all
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files can have a standard license header).
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All new contributions must be LGPLv2.1+ licensed, or if the changes are done on
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GPL code, must come with the implicit agreement that the project can relicense
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the code to LGPLv2.1+ at a later point without asking the contributor. (This
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is a safeguard for making potential relicensing of the project to LGPLv2.1+
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easier.) Using a more liberal license compatible to LGPLv2.1+ is also ok.
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For information about authors and contributors, consult the git log, which
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contains the complete SVN and CVS history as well.
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Note that mplayer2 as a whole is licensed under GPLv3+. This is because it uses
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a copy of talloc (part of Samba), which is LGPLv3+, and the next compatible
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license for this mix is GPLv3+.
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MPlayer as a whole is licensed under GPLv2 (incompatible to GPLv3!), because
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some files are licensed to GPLv2 (and _not_ any later version of the license).
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In particular, this affects the file libmpdemux/demux_ty_osd.c. It is disabled
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under mplayer2, and has been removed from mpv.
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"v2.1+" in this context means "version 2.1 or later".
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Some libraries are GPLv2+ or GPLv3+ only. Building mpv with Samba support makes
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it GPLv3+.
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Source files with specific licenses:
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- etc/input.conf is LGPLv2.1+ (possible exception with I key binding)
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- etc/builtin.conf is LGPLv2.1+
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- etc/encoding-profiles.conf is LGPLv2.1+
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- everything else under etc/ is unknown
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- everything under DOCS/man/ is GPLv2+
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- sub/osd_font.otf is LGPLv2.1+
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- some tests under waftools/fragments/ might be GPLv2+
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- version.sh is LGPLv2+
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Some files are marked with "Almost LGPL." These files are GPL, but all authors
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have agreed to relicense them to LGPL. the problem is that one of the authors is
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Michael Niedermayer, who cited the following conditions for relicensing:
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http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2016-September/073535.html
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We assume the first 3 conditions are fulfilled. The last condition can be
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interpreted as that his code can be changed to LGPL only as soon as the "core"
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of mpv changes to LGPL. We interpret "core" as something minimal, that can
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actually be built and run, with all GPL code disabled.
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Some files are LGPLv3+. This is due to the contributions of a single developer
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going by the SVN username "iive". The chosen license of this project is
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LGPLv2.1+. The affected files will be changed to LGPLv2.1+ at the earliest
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opportunity, for example if his contributions disappear by being replaced
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or removed. All new contributions to these files are implied to be LGPLv2.1+.
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LGPL relicensing status. Files which require some sort of action to get a basic
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LGPL player core (relicensing, replacement, or partial/full rewrites) are marked
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with an "x".
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audio/decode/ad.h LGPL
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audio/decode/ad_lavc.c LGPL
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audio/decode/ad_spdif.c LGPL
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audio/decode/dec_audio.* LGPL
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x audio/filter/af.* must be killed (main author disagreed)
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(required for LGPL core: a new filter chain must be written)
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audio/filter/af_channel.c must be killed (main author disagreed)
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audio/filter/af_equalizer.c must be killed (main author disagreed)
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audio/filter/af_pan.c must be killed (main author disagreed)
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audio/filter/af_volume.c must be killed (main author disagreed)
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audio/filter/equalizer.h must be killed (main author disagreed)
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audio/filter/tools.c must be killed (main author disagreed)
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audio/filter/af_format.c LGPL
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audio/filter/af_lavc3enc.c LGPL
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audio/filter/af_lavfi.c LGPL
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audio/filter/af_scaletempo.c LGPL
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audio/filter/af_rubberband.c LGPL
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audio/out/ao.c LGPL
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audio/out/ao.h LGPL
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audio/out/ao_alsa.c extremely hard (original author did not decide)
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audio/out/ao_audiounit.m LGPL
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audio/out/ao_coreaudio.c LGPL
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audio/out/ao_coreaudio_chmap.c LGPL
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audio/out/ao_coreaudio_chmap.h LGPL
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audio/out/ao_coreaudio_exclusiv LGPL
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audio/out/ao_coreaudio_properti LGPL
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audio/out/ao_coreaudio_properti LGPL
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audio/out/ao_coreaudio_utils.c LGPL
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audio/out/ao_coreaudio_utils.h LGPL
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audio/out/ao_jack.c will stay GPL
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audio/out/ao_lavc.c LGPL
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audio/out/ao_null.c LGPL
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audio/out/ao_openal.c unknown
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audio/out/ao_opensles.c LGPL
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audio/out/ao_oss.c will stay GPL
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audio/out/ao_pcm.c LGPL
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audio/out/ao_pulse.c LGPL
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audio/out/ao_rsound.c LGPL
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audio/out/ao_sdl.c LGPL
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audio/out/ao_sndio.c LGPL (BSD)
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audio/out/ao_wasapi.c LGPL
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audio/out/ao_wasapi_changenotif LGPL
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audio/out/ao_wasapi.h LGPL
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audio/out/ao_wasapi_utils.c LGPL
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audio/out/internal.h LGPL
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audio/out/pull.c LGPL
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audio/out/push.c LGPL
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x audio/audio.* very hard (mp_audio based of anders' af_audio)
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(required for LGPL core: determine if the struct can be used anyway, or
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devise a cheap AVFrame wrapper)
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audio/audio_buffer.* LGPL
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audio/chmap.* LGPL
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audio/chmap_sel.* LGPL
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audio/fmt-conversion.* LGPL
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x audio/format.* hard (murky libaf origins)
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common/av_common.* LGPL
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common/av_log.c almost LGPL
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common/av_log.h LGPL
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common/codecs.* LGPL
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common/common.* LGPL
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common/encode.h LGPL
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common/encode_lavc.* LGPL
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common/global.h LGPL
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common/msg.c almost LGPL
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common/msg_control.h LGPL
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common/msg.h LGPL
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common/playlist.* LGPL
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common/recorder.* LGPL
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common/tags.* LGPL
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common/version.c LGPL
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demux/codec_tags.* LGPL
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demux/cue.* LGPL
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x demux/demux.* complications (at least Denes' changes)
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demux/demux_cue.c LGPL
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demux/demux_disc.c LGPL
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demux/demux_edl.c LGPL
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demux/demux_lavf.c almost LGPL
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demux/demux_libarchive.c LGPL
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demux/demux_mf.c hard
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demux/demux_mkv.c LGPL (mostly)
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demux/demux_mkv_timeline.c LGPL
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demux/demux_null.c LGPL
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demux/demux_playlist.c LGPL
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demux/demux_rar.c LGPL
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demux/demux_raw.c unknown
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demux/demux_timeline.c LGPL
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demux/demux_tv.c will stay GPL
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demux/ebml.* LGPL
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demux/matroska.h LGPL
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demux/packet.* LGPL
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demux/stheader.h LGPL
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demux/timeline.* LGPL
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x input/cmd_* unknown, probably easy except some commands
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input/event.* LGPL
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x input/input.* potentially hard
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input/ipc.c LGPL
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input/ipc-unix.c LGPL
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input/ipc-win.c LGPL
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x input/keycodes.* potentially hard
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input/pipe-win32.c LGPL
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libmpv/*.* LGPL
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misc/*.* LGPL
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options/m_config.* LGPL
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options/m_option.c almost LGPL
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options/m_option.h LGPL
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options/m_property.* LGPL
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x options/options.* very hard (lots of options and history)
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options/parse_commandline.* LGPL
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options/parse_configfile.* LGPL
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options/path.* LGPL
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osdep/android/* LGPL (BSD)
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osdep/ar/* LGPL (BSD)
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osdep/atomic.h LGPL
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osdep/compiler.h LGPL
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osdep/endian.h LGPL
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osdep/glob-win.c LGPL
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osdep/io.* LGPL
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osdep/macosx_application.h unknown
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osdep/macosx_application.m unknown
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osdep/macosx_application_objc.h unknown
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osdep/macosx_compat.h unknown
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osdep/macosx_events.* unknown
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osdep/macosx_events_objc.h unknown
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osdep/macosx_touchbar.* unknown
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osdep/macosx_versions.h unknown
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osdep/main-fn-cocoa.c LGPL
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osdep/main-fn.h LGPL
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osdep/main-fn-unix.c LGPL
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osdep/main-fn-win.c LGPL
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osdep/mpv.exe.manifest LGPL
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osdep/mpv.rc LGPL
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osdep/path.h LGPL
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osdep/path-macosx.m LGPL
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osdep/path-unix.c LGPL
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osdep/path-win.c LGPL
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osdep/semaphore.h LGPL
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osdep/semaphore_osx.c LGPL
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osdep/strnlen.h LGPL
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osdep/subprocess.* LGPL
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osdep/subprocess-posix.c LGPL
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osdep/subprocess-win.c LGPL
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osdep/terminal.h LGPL
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osdep/terminal-unix.c LGPL
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osdep/terminal-win.c LGPL
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osdep/threads.* LGPL
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osdep/timer.c LGPL
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osdep/timer.h LGPL
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osdep/timer-darwin.c LGPL (MIT)
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osdep/timer-linux.c LGPL
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osdep/timer-win2.c LGPL
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osdep/w32_keyboard.c unknown
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osdep/w32_keyboard.h unknown
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osdep/win32-console-wrapper.c LGPL (BSD)
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osdep/win32/* LGPL (ISC)
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osdep/windows_utils.* LGPL
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x player/audio.c extremely hard (complex history, libaf ties)
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player/client.* LGPL (ISC)
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x player/command.c extremely hard (also some GPL-only things)
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x player/command.h hard
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x player/configfiles.c unknown
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x player/core.h extremely hard
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x player/external_files.* hard (murky subreader.c origins)
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player/lavfi.* LGPL
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x player/loadfile.c extremely hard
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player/lua/*.* LGPL
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player/lua.c LGPL
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player/misc.c LGPL
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player/osd.c hard
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x player/playloop.c extremely hard
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player/screenshot.* LGPL
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player/scripting.* LGPL
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x player/sub.c easy (probably almost no mplayer code)
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x player/video.c extremely hard
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stream/ai_* will stay GPL (TV code)
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stream/audio_in.* will stay GPL (TV code)
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stream/cache.c LGPLv3+
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stream/cache_file.c LGPL
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stream/cookies.* LGPL
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stream/dvb* must stay GPL
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stream/frequencies.* must stay GPL
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stream/rar.* LGPL
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stream/stream_avdevice.c unknown
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stream/stream_bluray.c unknown
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x stream/stream.c very hard
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stream/stream_cb.c LGPL
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stream/stream_cdda.c unknown
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stream/stream_dvb.* must stay GPL
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stream/stream_dvd.c unknown
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stream/stream_dvd_common.* unknown
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stream/stream_dvdnav.c unknown
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stream/stream_edl.c LGPL
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stream/stream_file.c LGPL
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x stream/stream.h hard
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stream/stream_lavf.c LGPL
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stream/stream_libarchive.* LGPL
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stream/stream_memory.c LGPL
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stream/stream_mf.c unknown
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stream/stream_null.c LGPL
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stream/stream_rar.c LGPL
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stream/stream_smb.c will stay GPLv3
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stream/stream_tv.c will stay GPL
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stream/tv* will stay GPL
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sub/* LGPL
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ta/* LGPL (ISC)
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video/decode/d3d.* LGPL
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video/decode/dec_video.* almost LGPL
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video/decode/hw_cuda.c LGPL
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video/decode/hw_d3d11va.c LGPL
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video/decode/hw_dxva2.c LGPL
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video/decode/hw_videotoolbox.c LGPL
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video/decode/lavc.h almost LGPLv3+
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video/decode/vd.h LGPL
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video/decode/vd_lavc.c almost LGPLv3+
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video/filter/refqueue.* LGPL
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video/filter/vf.c LGPL
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video/filter/vf.h LGPL (mostly)
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video/filter/vf_buffer.c LGPL
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video/filter/vf_crop.c will be deleted
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video/filter/vf_d3d11vpp.c LGPL
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video/filter/vf_dsize.c will be deleted
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video/filter/vf_eq.c will be deleted
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video/filter/vf_expand.c will be deleted
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video/filter/vf_flip.c will be deleted
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video/filter/vf_format.c will be deleted
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video/filter/vf_gradfun.c will be deleted
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video/filter/vf_lavfi.* LGPL
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video/filter/vf_mirror.c will be deleted
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video/filter/vf_noformat.c will be deleted
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video/filter/vf_pullup.c will be deleted
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video/filter/vf_rotate.c will be deleted
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video/filter/vf_scale.c will be deleted
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video/filter/vf_stereo3d.c will be deleted
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video/filter/vf_sub.c will be deleted
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video/filter/vf_vapoursynth.c LGPL
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video/filter/vf_vavpp.c LGPL
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video/filter/vf_vdpaupp.c LGPL
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video/filter/vf_yadif.c will be deleted
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video/csputils.* LGPL
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video/fmt-conversion.* LGPL
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video/gpu_memcpy.* will be deleted
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video/hwdec.* LGPL
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video/image_writer.* LGPL
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video/img_format.* LGPL
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video/mp_image.* almost LGPL
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video/mp_image_pool.* LGPL
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video/out/aspect.* LGPL
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video/out/bitmap_packer.* LGPL
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video/out/cocoa* unknown
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video/out/d3d_shader_420p.h LGPL
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video/out/d3d_shader_nv12.h LGPL
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video/out/d3d_shader_yuv.hlsl LGPL
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video/out/dither.* LGPL
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video/out/drm_common.* LGPL
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video/out/filter_kernels.* LGPL (BSD)
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video/out/opengl/hwdec_vaglx.c GPL
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video/out/opengl/* LGPL
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video/out/vo.c LGPL
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video/out/vo.h LGPL
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video/out/vo_caca.c unknown
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video/out/vo_direct3d.c unknown
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video/out/vo_drm.c LGPL
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video/out/vo_image.c LGPL
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video/out/vo_lavc.c LGPL
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video/out/vo_null.c LGPL
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video/out/vo_opengl.c LGPL
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video/out/vo_opengl_cb.c LGPL
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video/out/vo_rpi.c LGPL
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video/out/vo_sdl.c LGPL
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video/out/vo_tct.c LGPL
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video/out/vo_vaapi.c probably impossible (some company's code)
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video/out/vo_vdpau.c probably impossible (nVidia's code)
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video/out/vo_wayland.c LGPL
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video/out/vo_x11.c probably impossible
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video/out/vo_xv.c probably impossible
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video/out/w32_common.* medium
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video/out/wayland* LGPL
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video/out/win32/* LGPL
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video/out/win_state.* LGPL
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video/out/x11_common.* probably impossible
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video/out/x11_icon.bin must stay GPL
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video/sws_utils.* LGPL
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video/vaapi.* hard (GPL-only parts must be ifdefed)
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video/vdpau.c hard (GPL-only parts must be ifdefed)
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video/vdpau_functions.inc LGPL
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video/vdpau.h unknown
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video/vdpau_mixer.* actual code must be rewritten
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video/vt.* LGPL
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Other:
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x Build system nominally LGPL, but might contain GPL traces
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x English translations removed, but traces might be in C code
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x Logo GPL (?), might have to exclude from LGPL builds
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