| Commit message (Collapse) | Author | Age | Files | Lines |
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Worthless optimization, but at least it justifies that the
--audio-backward-overlap option has an "auto" choice. Tested with PCM
and FLAC.
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AVFilterContext instances support some additional AVOptions over the
actual filter. This includes useful options like "threads". We didn't
support setting those for the "direct" wrapper (--vf=yadif:threads=1
failed). Change this. It requires setting options on the AVFilterContext
directly, except the code for positional parameters still needs to
access the actual filter's AVOptions.
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This is new, thus a dependency bump is required.
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This includes codec/muxer/demuxer iteration (different iteration
function, registration functions deprecated), and the renaming of
AVFormatContext.filename to url (plus making it a malloced string).
Libav doesn't have the new API yet, so it will break. I hope they will
add the new APIs too.
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MPlayer used this to distinguish multiple decoder wrappers (such as
libavcodec vs. binary codec loader vs. builtin decoders). It lost
meaning in mpv as non-libavcodec things were dropped. Now it doesn't
serve any purpose anymore.
Parsing was removed quite a while ago, and the recent filter change
removed any use of the internal family field. Get rid of it.
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Was only available with --demuxer-lavf-format=help and the demuxer
needed to be used for it to actually print the list.
This can be used in the future to check if 'dash' support was compiled
with FFmpeg so ytdl_hook can use it instead. For now, dashdec is too
rudimentary to be used right away.
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Seems like they finally got rid of this. It was the first lavc vdpau
API, and mpv stopped supporting it in favor of newer APIs a long time
ago, causing confusion to users who tried to enable vdpau decoding by
forcing the decoders (MPlayer style).
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Fucking shit.
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The same should happen with any other side data that matters to mpv,
otherwise filters will drop it.
(No, don't try to argue that mpv should use AVFrame. That won't work.)
ffmpeg_garbage() is copy&paste from frame_new_side_data() in FFmpeg
(roughly feed201849b8f91), because it's not public API. The name
reflects my opinion about FFmpeg's API.
In mp_image_to_av_frame(), change the too-fragile
*new_ref = (struct mp_image){0};
into explicitly zeroing out the fields that are "transferred" to the
created AVFrame.
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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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Now e.g. --vf=pad=1000:1000 works.
All in all pretty ugly and hacky. Just look away.
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Signed-off-by: wm4 <wm4@nowhere>
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avcodec_parameters_to_context() overwrites codec_type and codec_id. But
we already set these by passing the selected AVCodec to
avcodec_alloc_context3(). It's entirely possible that at least codec_id
is different when forcing codecs with --ad/--vd. It's probably better
not to cause confusion by overwriting them. It might even trigger
undefined behavior in libavcodec (how it behaves or whether codec_id is
supposed to be strictly set is unknown, though).
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This can be useful in other contexts.
Note that we end up setting AVCodecContext.width/height instead of
coded_width/coded_height now. AVCodecParameters can't set coded_width,
but this is probably more correct anyway.
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This attempted to pass through double float timestamps in a bit exact
way by reinterpret casting them to int64_t. This usually worked, because
libavcodec (in decoding mode) is mostly not allowed to interpret
timestamps. libavcodec doesn't even know the unit of the timestamps,
unless the API user sets a timebase.
We've stopped doing this, and always set a timebase. Only ad_spdif.c
still used this (indirectly through mp_set_av_packet()), but doesn't
actually need timestamps on the packet. In fact, it's already explicitly
setting the packet timestamp fields to 0 before passing it to FFmpeg
API.
This code is unused, and the passthrough method wasn't terribly elegant
to begin with. Drop this code. Arbitrarily use AV_TIME_BASE_Q as
fallback in situations the passthrough was used.
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Unused since the AVCodecParameters change.
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Possible with bumped FFmpeg/Libav.
These are just the simple cases.
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av_reduce(&num, &den, 1, 14112000, 1000000) can return num=0, den=1.
This means a 1/14112000 timebase (as used by the mp3 demuxer) would
become invalid.
The intention of mp_get_codec_timebase() is to always return a valid
timebase. av_reduce() probably does the logically correct thing - so add
a fallback to the safe default timebase.
Also, increase the av_reduce() parameter to INT_MAX. Let's just pray
this doesn't cause any actual problems. libavformat does the same, but
might be in a different position due to using av_rescale() etc., while
we convert between fractional timestamps and floats.
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FFmpeg recently got "support" for mov edit lists. This is a terrible
hack that will fail completely at least with some decoders (in
particular wrappers for hardware decoding might be affected). As such it
makes no point to pretend they are supported, even if we assume that the
"intended" functionality works, that there are no implementation bugs
(good luck with all that messy code added to the already huge mov
demuxer), and that it covers enough of the mov edit list feature to be
of value.
So log an error if the FFmpeg code for mov edit lists appears to be
active - AV_PKT_FLAG_DISCARD is used only for "clipping" edit list
segments on non-key frame boundaries.
In the first place, FFmpeg committed this only because Google wanted it
in, and patch review did not even pick up obvious issues. (Just look how
there was no lavc version bump when AV_PKT_FLAG_DISCARD was added.)
We still pass the new packet flag to the decoders (av_common.c change),
which means we "support" FFmpeg's edit list code now. (Until it breaks
due to FFmpeg not caring about all the details.)
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Instead of passing through double float timestamps opaquely, pass real
timestamps. Do so by always setting a valid timebase on the
AVCodecContext for audio and video decoding.
Specifically try not to round timestamps to a too coarse timebase, which
could round off small adjustments to timestamps (such as for start time
rebasing or demux_timeline). If the timebase is considered too coarse,
make it finer.
This gets rid of the need to do this specifically for some hardware
decoding wrapper. The old method of passing through double timestamps
was also a bit questionable. While libavcodec is not supposed to
interpret timestamps at all if no timebase is provided, it was
needlessly tricky. Also, it actually does compare them with
AV_NOPTS_VALUE. This change will probably also reduce confusion in the
future.
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AVFormatContext.codec is deprecated now, and you're supposed to use
AVFormatContext.codecpar instead.
Handle this for all of the normal playback code.
Encoding mode isn't touched.
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Completely pointless abominations that FFmpeg refuses to remove. They
are ancient, long deprecated API which we can't use anymore. They
confused users as well.
Pretend that they don't exist. Due to the way --vd works, they can't
even be forced anymore. The older hack which explicitly rejects these
can be dropped as well.
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Also change decoder-list (for the sake of sharing the underlying code
for both properties).
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This covers source files which were added in mplayer2 and mpv times
only, and where all code is covered by LGPL relicensing agreements.
There are probably more files to which this applies, but I'm being
conservative here.
A file named ao_sdl.c exists in MPlayer too, but the mpv one is a
complete rewrite, and was added some time after the original ao_sdl.c
was removed. The same applies to vo_sdl.c, for which the SDL2 API is
radically different in addition (MPlayer supports SDL 1.2 only).
common.c contains only code written by me. But common.h is a strange
case: although it originally was named mp_common.h and exists in MPlayer
too, by now it contains only definitions written by uau and me. The
exceptions are the CONTROL_ defines - thus not changing the license of
common.h yet.
codec_tags.c contained once large tables generated from MPlayer's
codecs.conf, but all of these tables were removed.
From demux_playlist.c I'm removing a code fragment from someone who was
not asked; this probably could be done later (see commit 15dccc37).
misc.c is a bit complicated to reason about (it was split off mplayer.c
and thus contains random functions out of this file), but actually all
functions have been added post-MPlayer. Except get_relative_time(),
which was written by uau, but looks similar to 3 different versions of
something similar in each of the Unix/win32/OSX timer source files. I'm
not sure what that means in regards to copyright, so I've just moved it
into another still-GPL source file for now.
screenshot.c once had some minor parts of MPlayer's vf_screenshot.c, but
they're all gone.
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This fixes initial decoding of some samples. See #1341.
According to Libav devs, this should be considered a libavcodec bug, but
as it's hard to fix, here we go.
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Utterly idiotic bullshit.
Fixes #2259.
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As the removed comment says, not copying this field may cause problems
on older libav* releases. See also commit 5f7de399.
Remove this, as newer FFmpeg releases are available. As of this commit,
use of mpv with FFmpeg 2.5.x and below, or Libav 11 and below is not
recommended, and may lead to random video decoding issues. (Although the
failure cases are apparently somewhat obscure.)
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This duplicates the logic which FFmpeg's libavcodec uses. The effects
are unknown, though it's somewhat clear that a single thread doesn't
necessarily saturate a single CPU.
(Eventually we should just let FFmpeg auto-init the thread count, but
for now I prefer it this way, so e.g. verbose mode will print the
thread count.)
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FFmpeg and Libav have the stupid practice of replacing and deprecating
API symbols on the same day. So with FFmpeg git, this is useless and
will print a compile time warning, while it's required with all stable
releases, and might lead to decoding errors with xvid/avi (apparently).
Add a comment before someone writes a patch and I have to explain it all
over again.
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Our own code was introduced when FFmpeg didn't provide this API (or
maybe didn't even have a way to determine the CPU count). But now,
av_cpu_count() is available for all FFmpeg/Libav versions we support,
and there's no reason to have our own code.
libavutil's code seems to be slightly more sophisticated than our's, and
it's possible that the detected CPU count is different on some platforms
after this change.
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Also, don't use av_log() for mpv output.
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This is a simplification, because it lets us use the AVPacket
functions, instead of handling the details manually.
It also allows the libavcodec rawvideo decoder to use reference
counting, so it doesn't have to memcpy() the full image data. The change
in av_common.c enables this.
This change is somewhat risky, because we rely on the following AVPacket
implementation details and assumptions:
- av_packet_ref() doesn't access the input padding, and just copies the
data. By the API, AVPacket is always padded, and we violate this. The
lavc implementation would have to go out of its way to make this a
real problem, though.
- We hope that the way we make the AVPacket refcountable in av_common.c
is actually supported API-usage. It's hard to tell whether it is.
Of course we still use our own "old" demux_packet struct, just so that
libav* API usage is somewhat isolated.
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Use OPT_KEYVALUELIST() for all places where AVOptions are directly set
from mpv command line options. This allows escaping values, better
diagnostics (also no more "pal"), and somehow reduces code size.
Remove the old crappy option parser (av_opts.c).
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This commit also creates a private option struct for stream_lavf.c, but
since I'm lazy, I'm not moving any existing options to it.
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This is actually needed for encoding only, and not decoding. Drop it.
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Saves a little bit of pain.
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