mpv/Copyright

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mpv is a fork of mplayer2, which is a fork of MPlayer.
mpv as a whole is licensed as GPL version 2 or later (see LICENSE). Most source
files are GPLv2+, but some files are available under a more liberal license,
such as LGPLv2.1+, BSD, MIT, ISC, and possibly others. Look at the copyright
header of each source file, and grep the sources for "Copyright" if you need
to know details. C source files without Copyright notice are licensed as
LGPLv2.1+. Also see the list of files with specific licenses below (not all
files can have a standard license header).
All new contributions must be LGPLv2.1+ licensed, or if the changes are done on
GPL code, must come with the implicit agreement that the project can relicense
the code to LGPLv2.1+ at a later point without asking the contributor. (This
is a safeguard for making potential relicensing of the project to LGPLv2.1+
easier.) Using a more liberal license compatible to LGPLv2.1+ is also ok.
For information about authors and contributors, consult the git log, which
contains the complete SVN and CVS history as well.
Note that mplayer2 as a whole is licensed under GPLv3+. This is because it uses
a copy of talloc (part of Samba), which is LGPLv3+, and the next compatible
license for this mix is GPLv3+.
MPlayer as a whole is licensed under GPLv2 (incompatible to GPLv3!), because
some files are licensed to GPLv2 (and _not_ any later version of the license).
In particular, this affects the file libmpdemux/demux_ty_osd.c. It is disabled
under mplayer2, and has been removed from mpv.
"v2.1+" in this context means "version 2.1 or later".
Some libraries are GPLv2+ or GPLv3+ only. Building mpv with Samba support makes
it GPLv3+.
Source files with specific licenses:
- etc/input.conf is LGPLv2.1+ (possible exception with I key binding)
- etc/builtin.conf is LGPLv2.1+
- etc/encoding-profiles.conf is LGPLv2.1+
- everything else under etc/ is unknown
- everything under DOCS/man/ is GPLv2+
- sub/osd_font.otf is LGPLv2.1+
- some tests under waftools/fragments/ might be GPLv2+
- version.sh is LGPLv2+
Some files are marked with "Almost LGPL." These files are GPL, but all authors
have agreed to relicense them to LGPL. the problem is that one of the authors is
Michael Niedermayer, who cited the following conditions for relicensing:
http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2016-September/073535.html
We assume the first 3 conditions are fulfilled. The last condition can be
interpreted as that his code can be changed to LGPL only as soon as the "core"
of mpv changes to LGPL. We interpret "core" as something minimal, that can
actually be built and run, with all GPL code disabled.
Some files are LGPLv3+. This is due to the contributions of a single developer
going by the SVN username "iive". The chosen license of this project is
LGPLv2.1+. The affected files will be changed to LGPLv2.1+ at the earliest
opportunity, for example if his contributions disappear by being replaced
or removed. All new contributions to these files are implied to be LGPLv2.1+.
LGPL relicensing status. Files which require some sort of action to get a basic
LGPL player core (relicensing, replacement, or partial/full rewrites) are marked
with an "x".
audio/decode/ad.h LGPL
dec_audio, ad_lavc: change license to LGPL All relevant authors of the current code have agreed. As always, there are the usual historical artifacts that could be mentioned. For example, there used to be a large number of decoders by various authors who were not asked, but whose code was all 100% removed. (Mostly due to FFmpeg providing all codecs.) One point of contention is that Nick Kurshev might have refactored the old audio decoder code in 2001. Basically, there are hints that it might have been done by him, such as Arpi's commit message stating that the code was imported from MPlayerXP (Nick's fork), or all the files having his name in the "maintainer" field. On the other hand, the murky history of ad.h weakens this - it could be that Arpi started this work, and Nick took it (and possibly finished it). In any case, Nick could not be reached, so there is no agreement for LGPL relicensing from him. We're changing the license anyway, and assume that his change in itself is not copyrightable. He only moved code, and in addition used the equivalent video decoder framework (done by Arpi, who agreed) as template. For example, ad_functions_s was basically vd_functions_s, which the signature of the decode callback changed to the same as audio_decode(). ad_functions_s also had a comment that said it interfaces with "video decoder drivers" (I'm fixing this comment in this commit). I verified that no additional code was added that is copyright-relevant, still in today's code, and not copied from the existing code at the time (either from the previous audio decoder code or the video framework code). What apparently matters here is that none of the old code was not written by Nick, and the authors of the old code have given his agreement, and (probably) that Nick didn't add actual new code (none that would have survived), that was not trivially based on the old one (i.e. no new copyrightable "work"). A copyright expert told me that this kind of change can be considered not relevant for copyright, so here we go. Rewriting this would end with the same code anyway, and the naming conventions can't be copyrighted.
2017-06-14 14:20:56 +00:00
audio/decode/ad_lavc.c LGPL
audio/decode/ad_spdif.c LGPL
dec_audio, ad_lavc: change license to LGPL All relevant authors of the current code have agreed. As always, there are the usual historical artifacts that could be mentioned. For example, there used to be a large number of decoders by various authors who were not asked, but whose code was all 100% removed. (Mostly due to FFmpeg providing all codecs.) One point of contention is that Nick Kurshev might have refactored the old audio decoder code in 2001. Basically, there are hints that it might have been done by him, such as Arpi's commit message stating that the code was imported from MPlayerXP (Nick's fork), or all the files having his name in the "maintainer" field. On the other hand, the murky history of ad.h weakens this - it could be that Arpi started this work, and Nick took it (and possibly finished it). In any case, Nick could not be reached, so there is no agreement for LGPL relicensing from him. We're changing the license anyway, and assume that his change in itself is not copyrightable. He only moved code, and in addition used the equivalent video decoder framework (done by Arpi, who agreed) as template. For example, ad_functions_s was basically vd_functions_s, which the signature of the decode callback changed to the same as audio_decode(). ad_functions_s also had a comment that said it interfaces with "video decoder drivers" (I'm fixing this comment in this commit). I verified that no additional code was added that is copyright-relevant, still in today's code, and not copied from the existing code at the time (either from the previous audio decoder code or the video framework code). What apparently matters here is that none of the old code was not written by Nick, and the authors of the old code have given his agreement, and (probably) that Nick didn't add actual new code (none that would have survived), that was not trivially based on the old one (i.e. no new copyrightable "work"). A copyright expert told me that this kind of change can be considered not relevant for copyright, so here we go. Rewriting this would end with the same code anyway, and the naming conventions can't be copyrighted.
2017-06-14 14:20:56 +00:00
audio/decode/dec_audio.* LGPL
x audio/filter/af.* must be killed (main author disagreed)
(required for LGPL core: a new filter chain must be written)
audio/filter/af_channel.c must be killed (main author disagreed)
audio/filter/af_equalizer.c must be killed (main author disagreed)
audio/filter/af_pan.c must be killed (main author disagreed)
audio/filter/af_volume.c must be killed (main author disagreed)
audio/filter/equalizer.h must be killed (main author disagreed)
audio/filter/tools.c must be killed (main author disagreed)
audio/filter/af_format.c LGPL
audio/filter/af_lavc3enc.c LGPL
audio/filter/af_lavfi.c LGPL
audio/filter/af_scaletempo.c LGPL
audio/filter/af_rubberband.c LGPL
audio/out/ao.c LGPL
audio/out/ao.h LGPL
audio/out/ao_alsa.c extremely hard (original author did not decide)
audio/out/ao_audiounit.m LGPL
audio/out/ao_coreaudio.c LGPL
audio/out/ao_coreaudio_chmap.c LGPL
audio/out/ao_coreaudio_chmap.h LGPL
audio/out/ao_coreaudio_exclusiv LGPL
audio/out/ao_coreaudio_properti LGPL
audio/out/ao_coreaudio_properti LGPL
audio/out/ao_coreaudio_utils.c LGPL
audio/out/ao_coreaudio_utils.h LGPL
audio/out/ao_jack.c will stay GPL
audio/out/ao_lavc.c LGPL
audio/out/ao_null.c LGPL
audio/out/ao_openal.c unknown
audio/out/ao_opensles.c LGPL
audio/out/ao_oss.c will stay GPL
audio/out/ao_pcm.c LGPL
audio/out/ao_pulse.c LGPL
audio/out/ao_rsound.c LGPL
audio/out/ao_sdl.c LGPL
audio/out/ao_sndio.c LGPL (BSD)
audio/out/ao_wasapi.c LGPL
audio/out/ao_wasapi_changenotif LGPL
audio/out/ao_wasapi.h LGPL
audio/out/ao_wasapi_utils.c LGPL
audio/out/internal.h LGPL
audio/out/pull.c LGPL
audio/out/push.c LGPL
x audio/audio.* very hard (mp_audio based of anders' af_audio)
(required for LGPL core: determine if the struct can be used anyway, or
devise a cheap AVFrame wrapper)
audio/audio_buffer.* LGPL
audio/chmap.* LGPL
audio/chmap_sel.* LGPL
audio/fmt-conversion.* LGPL
x audio/format.* hard (murky libaf origins)
common/av_common.* LGPL
common/av_log.c almost LGPL
common/av_log.h LGPL
common/codecs.* LGPL
common/common.* LGPL
common/encode.h LGPL
common/encode_lavc.* LGPL
common/global.h LGPL
common/msg.c almost LGPL
common/msg_control.h LGPL
common/msg.h LGPL
common/playlist.* LGPL
common/recorder.* LGPL
common/tags.* LGPL
common/version.c LGPL
demux/codec_tags.* LGPL
demux/cue.* LGPL
x demux/demux.* complications (at least Denes' changes)
demux/demux_cue.c LGPL
demux/demux_disc.c LGPL
demux/demux_edl.c LGPL
demux/demux_lavf.c almost LGPL
demux/demux_libarchive.c LGPL
demux/demux_mf.c hard
demux/demux_mkv.c LGPL (mostly)
demux/demux_mkv_timeline.c LGPL
demux/demux_null.c LGPL
demux/demux_playlist.c LGPL
demux/demux_rar.c LGPL
demux/demux_raw.c unknown
demux/demux_timeline.c LGPL
demux/demux_tv.c will stay GPL
demux/ebml.* LGPL
demux/matroska.h LGPL
demux/packet.* LGPL
demux/stheader.h LGPL
demux/timeline.* LGPL
input/cmd_* unknown, probably easy except some commands
input/event.* LGPL
x input/input.* potentially hard
input/ipc.c LGPL
input/ipc-unix.c LGPL
input/ipc-win.c LGPL
x input/keycodes.* potentially hard
input/pipe-win32.c LGPL
libmpv/*.* LGPL
misc/*.* LGPL
options/m_config.* LGPL
options/m_option.c almost LGPL
options/m_option.h LGPL
options/m_property.* LGPL
x options/options.* very hard (lots of options and history)
options/parse_commandline.* LGPL
options/parse_configfile.* LGPL
options/path.* LGPL
osdep/android/* LGPL (BSD)
osdep/ar/* LGPL (BSD)
osdep/atomic.h LGPL
osdep/compiler.h LGPL
osdep/endian.h LGPL
osdep/glob-win.c LGPL
osdep/io.* LGPL
osdep/macosx_application.h unknown
osdep/macosx_application.m unknown
osdep/macosx_application_objc.h unknown
osdep/macosx_compat.h unknown
osdep/macosx_events.* unknown
osdep/macosx_events_objc.h unknown
osdep/macosx_touchbar.* unknown
osdep/macosx_versions.h unknown
osdep/main-fn-cocoa.c LGPL
osdep/main-fn.h LGPL
osdep/main-fn-unix.c LGPL
osdep/main-fn-win.c LGPL
osdep/mpv.exe.manifest LGPL
osdep/mpv.rc LGPL
osdep/path.h LGPL
osdep/path-macosx.m LGPL
osdep/path-unix.c LGPL
osdep/path-win.c LGPL
osdep/semaphore.h LGPL
osdep/semaphore_osx.c LGPL
osdep/strnlen.h LGPL
osdep/subprocess.* LGPL
osdep/subprocess-posix.c LGPL
osdep/subprocess-win.c LGPL
osdep/terminal.h LGPL
osdep/terminal-unix.c LGPL
osdep/terminal-win.c LGPL
osdep/threads.* LGPL
osdep/timer.c LGPL
osdep/timer.h LGPL
osdep/timer-darwin.c LGPL (MIT)
osdep/timer-linux.c LGPL
osdep/timer-win2.c LGPL
osdep/w32_keyboard.c unknown
osdep/w32_keyboard.h unknown
osdep/win32-console-wrapper.c LGPL (BSD)
osdep/win32/* LGPL (ISC)
osdep/windows_utils.* LGPL
x player/audio.c extremely hard (complex history, libaf ties)
player/client.* LGPL (ISC)
x player/command.c extremely hard (also some GPL-only things)
x player/command.h hard
x player/configfiles.c unknown
x player/core.h extremely hard
x player/external_files.* hard (murky subreader.c origins)
player/lavfi.* LGPL
x player/loadfile.c extremely hard
player/lua/*.* LGPL
player/lua.c LGPL
player/misc.c LGPL
player/osd.c hard
x player/playloop.c extremely hard
player/screenshot.* LGPL
player/scripting.* LGPL
x player/sub.c easy (probably almost no mplayer code)
x player/video.c extremely hard
stream/ai_* will stay GPL (TV code)
stream/audio_in.* will stay GPL (TV code)
stream/cache.c LGPLv3+
stream/cache_file.c LGPL
stream/cookies.* LGPL
stream/dvb* must stay GPL
stream/frequencies.* must stay GPL
stream/rar.* LGPL
stream/stream_avdevice.c unknown
stream/stream_bluray.c unknown
x stream/stream.c very hard
stream/stream_cb.c LGPL
stream/stream_cdda.c unknown
stream/stream_dvb.* must stay GPL
stream/stream_dvd.c unknown
stream/stream_dvd_common.* unknown
stream/stream_dvdnav.c unknown
stream/stream_edl.c LGPL
stream/stream_file.c LGPL
x stream/stream.h hard
stream/stream_lavf.c LGPL
stream/stream_libarchive.* LGPL
stream/stream_memory.c LGPL
stream/stream_mf.c unknown
2017-05-08 10:45:50 +00:00
stream/stream_null.c LGPL
stream/stream_rar.c LGPL
stream/stream_smb.c will stay GPLv3
stream/stream_tv.c will stay GPL
stream/tv* will stay GPL
sub/* LGPL
ta/* LGPL (ISC)
video/decode/d3d.* LGPL
x video/decode/dec_video.* hard
video/decode/hw_cuda.c LGPL
video/decode/hw_d3d11va.c LGPL
video/decode/hw_dxva2.c LGPL
video/decode/hw_videotoolbox.c LGPL
video/decode/lavc.h almost LGPLv3+
video/decode/vd.h LGPL
video/decode/vd_lavc.c almost LGPLv3+
video/filter/refqueue.* LGPL
video/filter/vf.c LGPL
video/filter/vf.h LGPL (mostly)
video/filter/vf_buffer.c LGPL
video/filter/vf_crop.c will be deleted
video/filter/vf_d3d11vpp.c LGPL
video/filter/vf_dlopen.* LGPL
video/filter/vf_dsize.c will be deleted
video/filter/vf_eq.c will be deleted
video/filter/vf_expand.c will be deleted
video/filter/vf_flip.c will be deleted
video/filter/vf_format.c will be deleted
video/filter/vf_gradfun.c will be deleted
video/filter/vf_lavfi.* LGPL
video/filter/vf_mirror.c will be deleted
video/filter/vf_noformat.c will be deleted
video/filter/vf_pullup.c will be deleted
video/filter/vf_rotate.c will be deleted
video/filter/vf_scale.c will be deleted
video/filter/vf_stereo3d.c will be deleted
video/filter/vf_sub.c will be deleted
video/filter/vf_vapoursynth.c LGPL
video/filter/vf_vavpp.c LGPL
video/filter/vf_vdpaupp.c LGPL
video/filter/vf_yadif.c will be deleted
video/csputils.* LGPL
x video/fmt-conversion.* must be killed (author disagreed to LGPL)
(required for LGPL core: might direct-map them to AV_PIXFMT or so)
video/gpu_memcpy.* will be deleted
video/hwdec.* LGPL
x video/image_writer.* unknown
x video/img_format.* hard
x video/img_fourcc.h hard
video/mp_image.* almost LGPL
video/mp_image_pool.* LGPL
x video/out/aspect.* hard
video/out/bitmap_packer.* LGPL
video/out/cocoa* unknown
video/out/d3d_shader_420p.h LGPL
video/out/d3d_shader_nv12.h LGPL
video/out/d3d_shader_yuv.hlsl LGPL
video/out/dither.* LGPL
video/out/drm_common.* LGPL
video/out/filter_kernels.* LGPL (BSD)
video/out/opengl/hwdec_vaglx.c GPL
video/out/opengl/* LGPL
vo.c, vo.h, vo_null.c: change license to LGPL Most contributors have agreed. vo.c requires a "driver" entry for each video output - we assume that if someone who didn't agree to LGPL added a line, it's fine for vo.c to be LGPL anyway. If the affected video output is not disabled at compilation time, the resulting binary will be GPL anyway. One problem are the changes by Nick Kurshev (usually using "nick" as SVN username). He could not be reached. I believe all changes to his files are actually gone, but here is a detailed listing: fa1d5742bc: nick introduces a new VO API. It was removed in 64bedd9683. Some of this was replaced by VOCTRLs are introduced in 7c51652a1b, obviously replacing at least some functionality by his API. b587a3d642: nick adds a vo_tune_info_t struct. Removed in 64bedd9683 too. 9caad2c29a: nick adds some VOCTRLs, which were silently removed in 8cc5ba5ab8 (they became unused probably with the VIDIX removal). 340183b0e9: nick adds VO-based screenshots, which got removed in 2f4b840f62. Strangely the same name was introduced in 01cf896a2f again, but this is a coincidence and worked differently (also it was removed yet again in 2858232220). 104c125e6d: nick adds an option for "direct rendering". It was renamed in 6403904ae9 and fully removed in e48b21dd87. 5ddd8e92a1: nick adds code to check the VO driver preinit arg to every single VO driver. The argument itself and any possibly remaining code associated with it was removed in 1f5ffe7d30. f6878753fb: nick adds header inclusion guards. We assume this is not relevant for copyright. Some of nick's code was merely moved to other files, such as the equalizer stuff added in 555c676683 and moved in 4db72f6a80 and 12579136ff, and don't affect copyright of these files anymore. Other notes: fef7b17c34: a patch by someone who wasn't asked for relicensing added a symbol that was removed again in 1b09f4633. 4a8a46fafd: author probably didn't agree to LGPL, but the function signature was changed later on anyway, and nothing of this is left. 7b25afd742: the same author adds a symbol to what is vo.h today, which this relicensing commit removes, as it was unused. (It's not clear whether the mere symbol is copyrightable, but no need to take a risk.) 3a406e94d7, 9dd8f241ac: slave mode things by someone who couldn't be reached. This aspect of the old slave mode was completely removed. bbeb54d80a: patch by someone who was not asked, but the added code was completely removed again.
2017-05-10 12:32:34 +00:00
video/out/vo.c LGPL
video/out/vo.h LGPL
video/out/vo_caca.c unknown
video/out/vo_direct3d.c unknown
video/out/vo_drm.c LGPL
video/out/vo_image.c unknown
video/out/vo_lavc.c LGPL
vo.c, vo.h, vo_null.c: change license to LGPL Most contributors have agreed. vo.c requires a "driver" entry for each video output - we assume that if someone who didn't agree to LGPL added a line, it's fine for vo.c to be LGPL anyway. If the affected video output is not disabled at compilation time, the resulting binary will be GPL anyway. One problem are the changes by Nick Kurshev (usually using "nick" as SVN username). He could not be reached. I believe all changes to his files are actually gone, but here is a detailed listing: fa1d5742bc: nick introduces a new VO API. It was removed in 64bedd9683. Some of this was replaced by VOCTRLs are introduced in 7c51652a1b, obviously replacing at least some functionality by his API. b587a3d642: nick adds a vo_tune_info_t struct. Removed in 64bedd9683 too. 9caad2c29a: nick adds some VOCTRLs, which were silently removed in 8cc5ba5ab8 (they became unused probably with the VIDIX removal). 340183b0e9: nick adds VO-based screenshots, which got removed in 2f4b840f62. Strangely the same name was introduced in 01cf896a2f again, but this is a coincidence and worked differently (also it was removed yet again in 2858232220). 104c125e6d: nick adds an option for "direct rendering". It was renamed in 6403904ae9 and fully removed in e48b21dd87. 5ddd8e92a1: nick adds code to check the VO driver preinit arg to every single VO driver. The argument itself and any possibly remaining code associated with it was removed in 1f5ffe7d30. f6878753fb: nick adds header inclusion guards. We assume this is not relevant for copyright. Some of nick's code was merely moved to other files, such as the equalizer stuff added in 555c676683 and moved in 4db72f6a80 and 12579136ff, and don't affect copyright of these files anymore. Other notes: fef7b17c34: a patch by someone who wasn't asked for relicensing added a symbol that was removed again in 1b09f4633. 4a8a46fafd: author probably didn't agree to LGPL, but the function signature was changed later on anyway, and nothing of this is left. 7b25afd742: the same author adds a symbol to what is vo.h today, which this relicensing commit removes, as it was unused. (It's not clear whether the mere symbol is copyrightable, but no need to take a risk.) 3a406e94d7, 9dd8f241ac: slave mode things by someone who couldn't be reached. This aspect of the old slave mode was completely removed. bbeb54d80a: patch by someone who was not asked, but the added code was completely removed again.
2017-05-10 12:32:34 +00:00
video/out/vo_null.c LGPL
video/out/vo_opengl.c LGPL
video/out/vo_opengl_cb.c LGPL
video/out/vo_rpi.c LGPL
video/out/vo_sdl.c LGPL
video/out/vo_tct.c LGPL
video/out/vo_vaapi.c probably impossible (some company's code)
video/out/vo_vdpau.c probably impossible (nVidia's code)
video/out/vo_wayland.c LGPL
video/out/vo_x11.c probably impossible
video/out/vo_xv.c probably impossible
video/out/w32_common.* medium
video/out/wayland* LGPL
video/out/win32/* LGPL
x video/out/win_state.* unknown
video/out/x11_common.* probably impossible
video/out/x11_icon.bin must stay GPL
video/sws_utils.* LGPL
video/vaapi.* hard (GPL-only parts must be ifdefed)
video/vdpau.c hard (GPL-only parts must be ifdefed)
video/vdpau_functions.inc LGPL
video/vdpau.h unknown
video/vdpau_mixer.* actual code must be rewritten
video/vt.* LGPL
Other:
x Build system nominally LGPL, but might contain GPL traces
x English translations removed, but traces might be in C code
x Logo GPL (?), might have to exclude from LGPL builds