| Commit message (Collapse) | Author | Age | Files | Lines |
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Although seeking past the cached range will trigger a low level seek, a
seek into the region between cache end and last video key frame would
simply seek to the video key frame. This meant that you could get
"stuck" at the end of the file instead of terminating playback when
trying to seek past the end.
One change is that we fix this by _actually_ allowing SEEK_FORWARD to
seek past the last video keyframe in find_seek_target().
In that case, or otherwise seeking to cache buffer end, it could happen
that we set ds->reader_head=NULL if the seek target is after the current
packet. We allow this, because the end of the cached region is defined
by the existence of "any" packet, not necessarily a key frame. Seeking
there still makes sense, because we know that there is going to be more
packets (or EOF) that satisfy the seek target.
The problem is that just resuming demuxing with reader_head==NULL will
simply return any packets that come its way, even non-keyframe ones.
Some decoders will produce ugly soup in this case. (In practice, this
was not a problem, because seeking at the end of the cached region was
rare before this commit, and also some decoders like h264 will skip
broken frames by default anyway.)
So the other change of this commit is to enable key frame skipping.
As a nasty implementation detail, we use a separate flag, instead of
setting reader_head to the first key frame encounted (reader_head being
NULL can happen after a normal seek or on playback start, and then we
want to mirror the underlying demuxer behavior, for better or worse).
This change is relatively untested, so you get to keep the pieces for
yourself.
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Looks ugly on the status line and could upset the buffering logic.
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Seems like most code dealing with this was for setting it in redundant
cases. Now SEEK_BACKWARD is redundant, and SEEK_FORWARD is the odd one
out.
Also fix that SEEK_FORWARD was not correctly unset in try_seek_cache().
In demux_mkv_seek(), make the arbitrary decision that a video stream is
not required for the subtitle prefetch logic to be active. We might want
subtitles with long duration even with audio only playback, or if the
file is used as external subtitle.
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If a packet uses segmentation, the codec field must be set. Copying the
codec field was forgotten as an oversight, which is why this just
crashes. This showed up only now, because demux_copy_packet() was not
used before in the main demux path until recently.
Fixes #5027.
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This improves upon the previous commit, and partially rewrites it (and
other code). It does:
- disable the seeking within cache by default, and add an option to
control it
- mess with the buffer estimation reporting code, which will most likely
lead to funny regressions even if the new features are not enabled
- add a back buffer to the packet cache
- enhance the seek code so you can seek into the back buffer
- unnecessarily change a bunch of other stuff for no reason
- fuck up everything and vomit ponies and rainbows
This should actually be pretty usable. One thing we should add are some
properties to report the proper buffer state. Then the OSC could show a
nice buffer range. Also configuration of the buffers could be made
simpler. Once this has been tested enough, it can be enabled by default,
and might replace the stream cache's byte ringbuffer.
In addition it may or may not be possible to keep other buffer ranges
when seeking outside of the current range, but that would be much more
complex.
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If a suitable keyframe cannot be found in each stream's
readahead cache, fallback to a regular seek.
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More the ignore_eof field to the internal demux_stream struct. This is
relatively messy, because the internal struct exists only once the
stream is created, and after that setting the ignore_eof flag is a race
condition. We could bother with adding demux_add_sh_stream() parameters
for this, but let's not. So in theory a tiny race condition is
introduced, which can never be triggered since all demux API functions
are called by the playback thread only anyway.
Fix that ts_offset is accessed without log (this was introduced much
earlier by myself).
Introduce an alternative way of avoiding the annoying EOF reached
messages by not resetting the EOF flags for CC streams when a CC packet
is added. This makes the second commit in the PR which added the
original fix unnecessary.
As another cosmetic change merge the check in cached_demux_control()
into a single if().
In the future, the CC pseudo-stream should probably be replaced with an
entire pseudo-demuxer or such, which would avoid some of the messiness
(or maybe not, we don't know yet).
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Fuck this thing.
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iive agreed to relicense things that are still in mpv to LGPLv2.1. So
change the licenses of the affected files, and rename the configure
switch for LGPL mode to --enable-preliminary-lgpl2.
(The "preliminary" part will probably be removed from the configure
switch soon as well.)
Also player/main.c hasn't had GPL parts since a few commits ago.
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It's deprecated, and av_packet_copy_props() is nearly equivalent. It's
also more widely supported.
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See "Copyright" file for caveats.
This changes the remaining "almost LGPL" files to LGPL, because we think
that the conditions the author set for these was finally fulfilled.
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This adds handling of spherical video metadata: retrieving it from
demux_lavf and demux_mkv, passing it through filters, and adjusting it
with vf_format. This does not include support for rendering this type of
video.
We don't expect we need/want to support the other projection types like
cube maps, so we don't include that for now. They can be added later as
needed.
Also raise the maximum sizes of stringified image params, since they
can get really long.
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More betterer.
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If --demuxer-mkv-probe-start-time=no is used, and a seek is triggered on
start, then cluster_start will be 0, and the packet reading code will
print an error message about not finding valid data. This fixes itself
since it invokes the resync code, but it's still pretty ugly. Avoid this
by always initializing cluster_start.
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This currently is only limited to Android. Its stdlib contains the
things that mpv's POSIX check checks for, but unfortunately not
glob().
This fixes Android compilation broken in 70a70b9da .
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We don't even set it anymore. This really should be up to libavformat.
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It seems like adjusting the raw stream ID should be done only for DVD.
Otherwise, getting the subtitle language for Bluray breaks.
Untested. Regression since fb9a32977d6.
Fixes #4611 (probably).
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This API isn't deprecated (yet?), but it's still inferior and harder to
use than avcodec_free_context().
Leave the call only in 1 case in af_lavcac3enc.c, where we apparently
seriously close and reopen the encoder for whatever reason.
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Was at least somewhat broken, and is misleading. I don't really have an
idea why FFmpeg has two AVOptions here anyway. We don't need to care,
and I'm only aware of 1 user trying this option ever.
See #4579.
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The first time I saw a user try to use this option, and apparently it
didn't work. I'm not exactly sure why, but the code seems to be broken
anyway. Apart from not doing any error checking (neither mallocs nor
warning the user against invalid input), it forgets to add a 0
terminator.
Use the corresponding AVOption instead, which probably works.
See #4579.
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Closes #4414
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POSIX requires glob(), so no need to check for it. Together with the
fact that we can emulate glob() on Windows, glob() is always available.
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All relevant authors have agreed.
I'm removing the NV12 FourCC, which was added in f910f3d9 by someone who
was not contacted for the relicensing. I doubt the remaining code is
copyrightable (basically all what remains the fact is that NV12 uses the
same amount of space like YV12), but in this case I feel more
comfortable removing it.
Might contain some trace amounts of "michael"'s copyright, who agrees
with LGPL only once the core is relicensed - but with the core already
mostly relicensed, I'm changing the license header to LGPL, and only
marking this in the "Copyright" file.
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cehoyos, who did not agree to the relicensing, added bcb5c78ce3. If
there was copyright, we consider it gone, because the table changed. It
does not map file extension to a FourCC anymore, and codecs.conf is
gone. The new mapping is a libavcodec codec name (happens to be the same
as the file extension).
The same applies to commits 60ecafec, b749836b, 5b3e3be1. None of these
authors were contacted. These were before the code was replaced with a
table (in d0326807). The parts outside of demux_mf.c were removed a long
time ago. Like in the previous comment, we don't think any copyright
applies at least to the new code (at least after the FourCC removal).
iive authored 0aa37a0d, which is probably still left in some form, and
makes demux_mf.c "LGPL 3 or later".
stream_avdevice.c (unrelated) has been marked as LGPL before.
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Who says that the first member is an array or whatever? It depends on
whatever the matroska.py script generates.
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- Fix a signed/unsigned comparison involving info.segment_uid.len
(doesn't actually warn here, but seems fragile). Code was previously
safe though.
- Match up all printf format strings with the respective value types,
using the *int*_t printf specifiers where necessary, and fixing
multiple signed/unsigned differences. Removed some casts that
otherwise may have truncated values.
- Fix a warning when initializing ebml_info.
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On some platforms, unsigned long and uint64_t aren't the same type,
after all. As this is just a MP_VERBOSE message, risking truncation in
some cases seems OK.
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The file consists of stream/tv.c contents. Use the copyright header of
that file.
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As usual, the history of these files is a bit murky. It starts with the
initial commit. (At which some development had already been done,
according to the AUTHORS and ChangeLog files at the time, we should be
but covered with relicensing agreements, though.) then it goes on with
complete lack of modularization, which was cleaned up later (cd68e161).
As usual, we don't consider the copyright of the stuff that has been
moved out cleanly.
There were also contributions to generic code by people who could not be
reached or who did not agree to the relicensing, but this was all
removed.
The only patches that we could not relicense and which were still in the
current code in some form are from Dénes Balatoni: 422b0d2a, 32937181.
We could not reach him, so commits f34e1a0d and 18905298 remove his
additions. It still leaves the demux_control() declaration itself, but
we don't consider it copyrightable. It's basically an idiom that existed
in MPlayer before that change, applied to the demuxer struct. (We even
went as far as making sure to remove all DEMUXER_CTRLs the original
author added.)
Commit be54f481 might be a bit of a corner case, but this was rewritten,
and we consider the old copyright removed long ago.
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Similar purpose as f34e1a0deea45e.
Somehow this is much more natural too, and needs less code.
This breaks runtime updates to duration. This could easily be fixed, but
no important demuxer does this anyway. Only demux_raw and demux_disc
might (the latter for BD/DVD). For the latter it might actually have
some importance when changing titles at runtime (I guess?), but guess
what, I don't care.
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This is more uniform, and potentially gets rid of some past copyrights.
It might be that this subtly changes caching behavior (it seems before
this, it synced to the demuxer if the length was unknown, which is not
what we want.)
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MaxCLL is the more authoritative source for the metadata we are
interested in. The use of mastering metadata is sort of a hack anyway,
since there's no clearly-defined relationship between the mastering peak
brightness and the actual content. (Unlike MaxCLL, which is an explicit
relationship)
Also move the parameter fixing to `fix_image_params`
I don't know if the avutil check is strictly necessary but I've included
it anyway to be on the safe side.
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List of changes:
1. Kill nom_peak, since it's a pointless non-field that stores nothing
of value and is _always_ derived from ref_white anyway.
2. Kill ref_white/--target-brightness, because the only case it really
existed for (PQ) actually doesn't need to be this general: According
to ITU-R BT.2100, PQ *always* assumes a reference monitor with a
white point of 100 cd/m².
3. Improve documentation and comments surrounding this stuff.
4. Clean up some of the code in general. Move stuff where it belongs.
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This file is an leftover from when img_format.h was changed from using
the ancient FourCCs (based on Microsoft multimedia conventions) for
pixel formats to a simple enum. The remaining cases still inherently
used FourCCs for whatever reasons.
Instead of worrying about residual copyrights in this file, just move it
into code we don't want to relicense (the ancient Linux TV code). We
have to fix some other code depending on it. For the most part, we just
replace the MP_FOURCC macro with libavutil's MKTAG (although the macro
definition is exactly the same). In demux_raw, we drop some pre-defined
FourCCs, but it's not like it matters. (Instead of
--demuxer-rawvideo-format use --demuxer-rawvideo-mp-format.)
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Since this demuxer is based on code by michael, this file can become
LGPL only once the mpv core becomes LGPL, and this is preparation for
it.
There were quite a lot of changes for rearranging preferred libavformat
vs. internal MPlayer demuxers, codec mappings, and filename extensions,
but all this got removed, so some of the relevant authors weren't asked.
cehoyos, who disagreed with LGPL, made a few changes in the past (mostly
codec mapping and deinterlacing related things), but all of them were
removed, mostly due to libavformat API cleanups.
adland, who could not be reached, did commit 057916ee65, but it's easy
to essentially revert the change (this is what the source changes in
this commit do), so we don't need to think about it.
Chris Welton, who could not be reached, made a simple change in commit
958c41d9b69. Fortunately, the API changed again, and his changes were
removed, so we don't need to think about this either.
There is an anonymous contribution in commit 085f35f4b48 - since this
did not introduce any original code, and the probe code was heavily
rewritten multiple times, I don't consider it relevant.
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This switches back the --demuxer-lavf-probe-info default for HLS from
"no" to "yes".
Apparently the old default caused problems with the FFmpeg MediaCodec
wrapper. I'm not sure whether it's due to the extradata (which would not
make any sense as MediaCodec takes in Annex B formatted h264 data), or
something else. Reportedly, enabling probing fixes it though, so enable
it again.
Add disparaging comment about Google software/APIs here.
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This affects in particular the heuristic that enables byte seeks in some
cases with .ts input. --demuxer-lavf-hacks=no should disable this
behavior now.
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In the previous commit, I claimed that this GUID stuff was a libavformat
extension, but that seems to be completely wrong. (LATM might be an
extension of some kind, though.)
I don't know what Microsoft calls this GUID "suffix" though. It's
generally used to wrap wav format tags and video FourCCs as GUIDs.
I guess you could grep Microsoft headers for it to find its name,
or something.
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Indeed, FFmpeg found a way to maximize the misery around VfW/AVI-style
muxing. It appears it can mux a number of random codecs by using random
format tags. To make this even more stranger, it has a probably custom
GUID for signaling them, although for unknown reasons this is done only
"sometimes" (judging from FFmpeg's riffenc.c).
Whatever, it's not too hard to support it. Also apparently fix the
incorrect interpretation of extended formats - there's absolutely no
reason to assume they're always PCM. Instead, check for the correct
GUIDs. Also while we're at it, move the channel mask handling also to
codec_tag.c, so all WAVEFORMATEXTENSIBLE handling is in one place. (With
the normal wav header handling strangely still in demux_mkv.c.)
The case I was looking at (aac_latm muxing) decodes now. While I'm not
entirely sure about its correctness (libavformat has a weird
special-case for SBR), it certainly doesn't try to play it as PCM,
which is much of an improvement.
The extradata mess in the demux_mkv.c A_MS/ACM code path is unfortunate
and ugly, but has less impact than refactoring all the code to make
this specific case nicer.
Did I mention yet that I hate VfW-style mkv muxing?
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The parser is used to split superframes, and the decoder didn't like
when the blockadditional was duplicated on the second split packet.
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The blockadditional side data gets lost because vp9 has to go through
the parser.
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This is an old pseudo codec to pass through the pixel format. Setup a
suitable AVCodecParameter directly instead, so the "rawvideo" codec can
be used.
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Try to read header elements stored at the end of the file in the order
of their position. (It would be nicer if mkv simply told us a range of
elements to parse, but it doesn't do that.)
This can potentially reduce seek elements, although I didn't check if
any real files trigger this. The real contribution by this change is
that it does not defer reading the CUE index if we need to seek to the
end of the file anyway. This can actually avoid 2 seeks when opening a
file and --start is used, and the file has other headers elements at the
end of the file (like tags).
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All authors of the current code have agreed.
For most of its life, MPlayer used Microsoft structs like WAVEFORMATEX
to describe media content. It appears these were copied from wine in
61c5a99851e. Copyright is unclear, but mpv completely removed use of
these structs anyway. (demux_mkv.c still contains code to read these
fields from a byte stream, but the struct is fully gone.)
42f97b2b820: cehoyos (who probably didn't agree with LGPL) applied a
patch by someone who agreed. It's unknown whether cehoyos modified the
patch (and thus his copyright would apply), but the changed code was
removed anyway. (The code was first moved somewhere else, then removed.)
efd53eed614: the patch author was not asked. Although the mkv_sh_sub_t
struct was later moved to stheader.h, the added field was removed
without replacement.
f6878753fbd: nick, who could not be reached, added an include guard, but
the guard was changed several times later, and it's probably not
copyrightable anyway.
afb0fd5ea17: the same nick adds a field that was later replaced and
finally removed again in 8cd6b20571.
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All contributors have agreed. In 3a43f13fcec1, someone who potentially
disagreed reverted a commit by someone else (restoring the original
state). This shouldn't matter for |