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crtc_setup gets called on VT reacquire as well as during normal setup. When
called during VT reacquire p->front_buf might not be 0, so the maths was wrong,
and could cause array OOB errors. Use mathematically correct (for negative
numbers) modulo to always pick the farthest away buffer (should work
even for larger values of BUF_COUNT).
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When pixels are non-square, the appropriate value of vo->monitor_par is
necessary to determine the destination rectangle, which in turn tells
how to scale the video along the x and y axis. Before this commit, the
drm driver only used --monitorpixelaspect. For example, to play a video
with the right aspect on a 4:3 screen and 640:400 pixels,
--monitorpixelaspect=5:6 had to be given.
With this commit, vo->monitor_par is determined from the size of the
screen in pixels and the --monitoraspect parameter. The latter is
usually easier to determine than --monitorpixelaspect, since it is
simply the proportion between the width and the height of the screen,
in most cases 16:9 or 4:3. If --monitoraspect is not given,
--monitorpixelaspect is used if given, otherwise pixel aspect is
assumed 1:1.
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This commit allows for video to be shown with the right aspect even when
pixels are not square in the selected drm mode. For example, if drm mode
5 is "640x400", the right aspect on a 4:3 monitor is obtained by mpv
--vo=drm --drm-mode=5 --monitorpixelaspect=5:6 ...
Other vo's seem to make this parameter change the size of the window,
but in the drm vo this is fixed, being as large as the screen.
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The last image is stored in vo->priv->last_input to be used when
redrawing a frame is necessary (control: VOCTRL_REDRAW_FRAME). At the
beginning it is NULL, so a redraw request has no effect since
draw_image ignores calls with image=NULL.
When using --force-window the size of the image may change without the
vo structure being re-created. Before this commit, the size of
vo->priv->last_input could become inconsistent with the cropping
rectangle vo->priv->src_rc, which could trigger an assert in
mp_image_crop_rc(). Even if it did not, the last image of a video
remained on the screen when the next file in the playlist had no video
(e.g., it was an mp3 without an embedded cover).
This commit deallocates and resets to NULL the image
vo->priv->last_input when reconfiguring video.
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Before this commit, the drm vo drew the osd over the scaled image, and
then copied the result onto the framebuffer, shifted. This made the
frame centered, but forced the osd to be only as large as the image.
This was inconsistent with other vo's, covered the image with the
progress indicator even when a black band was at the top of the screen,
made the progress indicator wrap on narrow videos, etc.
The change is to always use an image as large as the screen. The frame
is copied scaled and shifted to it, and the osd drawn over it. The
result is finally copied to the framebuffer without any shift, since it
is already as large as it.
Technically, cur_frame is an image as large as the screen and
cur_frame_cropped is a dummy reference to it, cropped to the size of
the scaled video. This way, copying the scaled image to
cur_frame_cropped positions the image in the right place in cur_frame,
which can then have the osd added to it and copied to the framebuffer.
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mp_sws_set_from_cmdline() has the only purpose to respect the --sws-
command line options. Instead of forcing callers to get the option
struct containing these, let callers pass mpv_global, and get it from
the option core code directly. This avoids minor annoyances later on.
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This allows to group them and most of all query the group config when
needed and when we don't have the access to vo.
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This commit allows to use the AV_PIX_FMT_DRM_PRIME newly introduced
format in ffmpeg that allows decoders to provide an AVDRMFrameDescriptor
struct.
That struct holds dmabuf fds and information allowing zerocopy rendering
using KMS / DRM Atomic.
This has been tested on RockChip ROCK64 device.
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When the drm video output is used under VT with a terminal multiplexer
like screen, the VT_SETMODE ioctl call will fail since the controlling
terminal is a pseudoterminal instead of a real one, thus the VT switcher
will be unavailable.
The problem is, the wait_events function inside vo_drm.c will test for
this, and will do nothing if the switcher is not active. Normally, this
would not be noticed, however, when you pause a video, or if you're playing
multiple image files, mpv will suddenly start busy waiting on a single
core.
I confirmed this by building mpv with gprof support, in a few seconds,
wait_events got called about 90 million times.
So I added a fallback, when the VT switcher is not availble, just use the
vo_wait_default function. I tested it and it's working well so far.
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They're already pulled in by drm_common.h.
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I'm not sure what systems have <sys/poll.h> (maybe there are historical
reasons why some would), but POSIX defines <poll.h>. Although this code
is full of highly OS specific calls (like ioctl()), there's no reason
not to use the more standard include path.
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Long planned. Leads to some sanity.
There still are some rather gross things. Especially g_groups is ugly,
and a hack that can hopefully be removed. (There is a plan for it, but
whether it's implemented depends on how much energy is left.)
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- Change connector selection to accept human readable names (such as
eDP-1, HDMI-A-2) rather than arbitrary numbers.
- Change GPU selection to accept GPU number rather than device paths.
- Merge connector and GPU selection into one --drm-connector.
- Add support for --drm-connector=help.
- Add support for --drm-* in EGL backend.
- Refactor KMS; reduce state sharing across drm_common.
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Reduces code duplication between OpenGL backend and DRM VO.
(The control() for OpenGL backend isn't sufficiently similar to the
VO's control() to consider merging it as a whole - I extracted only the
FPS code.)
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It was used to determine whether the VO supports VOCTRL_SET_PANSCAN.
With all those changes to property semantics this became unnecessary,
and its only use was dropped at some point.
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Until now, this has been either handled over vo.event_fd (which should
go away), or by putting event handling on a separate thread. The
backends which do the latter do it for a reason and won't need this, but
X11 and Wayland will, in order to get rid of event_fd.
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Do this to make the license situation less confusing.
This change should be of no consequence, since LGPL is compatible with
GPL anyway, and making it LGPL-only does not restrict the use with GPL
code.
Additionally, the wording implies that this is allowed, and that we can
just remove the GPL part.
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MPlayer traditionally always used the display aspect ratio, e.g. 16:9,
while FFmpeg uses the sample (aka pixel) aspect ratio.
Both have a bunch of advantages and disadvantages. Actually, it seems
using sample aspect ratio is generally nicer. The main reason for the
change is making mpv closer to how FFmpeg works in order to make life
easier. It's also nice that everything uses integer fractions instead
of floats now (except --video-aspect option/property).
Note that there is at least 1 user-visible change: vf_dsize now does
not set the display size, only the display aspect ratio. This is
because the image_params d_w/d_h fields did not just set the display
aspect, but also the size (except in encoding mode).
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Also removed authorship information (as per convention seen in other
files)
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Since the errors weren't used for anything other than simple
success/fail checks, I simplified things a bit.
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Makes KMS initialization procedures reusable so that they can be used by
the upcoming DRM EGL adapter.
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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This parameter has been unused for years (the last flag was removed in
commit d658b115). Get rid of it.
This affects the general VO API, as well as the vo_opengl backend API,
so it touches a lot of files.
The VOFLAGs are still used to control OpenGL context creation, so move
them to the OpenGL backend code.
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Now among other things panscan can be changed during playback.
Unfortunately, it flickers. The issue is that reconfig() clears the
framebuffer. Removing the clearing shows that the "unused" parts of
the picture are not cleared - even though OSD could render there. As
such, this is a separate issue.
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When running with --panscan=1, this could crash - because the current
frame was reduced in size each time the image was redrawn, which would
result in a failed assertion the second time it's drawn.
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If user switched terminals frantically, mpv could get SIGUSR1 twice in a
row, which, up until now, resulted in destroying CRTC twice. This caused
it to segfault. After this fix, double SIGUSR1 should be ignored.
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Logging was meant to be silenced only when user uses connector
auto-detection feature. If user supplies connector ID manually, he
should see exact reason why connecting to this specific connector
failed.
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Fixes #1828
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Fixes #1827
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Signed-off-by: wm4 <wm4@nowhere>
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