[FFmpeg-devel] [PATCH] ffplay: added option always on top for video window

[Daniel Kučera]

Dňa so 11. 5. 2019, 18:00 Gyan <ffmpeg at gyani.pro> napísal(a):

>
>
> On 11-05-2019 09:03 PM, Michael Niedermayer wrote:
> > On Fri, May 10, 2019 at 12:12:17PM +0200, Daniel Kucera wrote:
> >> From: Daniel Kucera <github at danman.eu>
> >>
> >> Signed-off-by: Daniel Kucera <github at danman.eu>
> >> ---
> >>   doc/ffplay.texi  | 2 ++
> >>   fftools/ffplay.c | 4 ++++
> >>   2 files changed, 6 insertions(+)
> >>
> >> diff --git a/doc/ffplay.texi b/doc/ffplay.texi
> >> index c305465078..a37c02dc0d 100644
> >> --- a/doc/ffplay.texi
> >> +++ b/doc/ffplay.texi
> >> @@ -66,6 +66,8 @@ Set custom interval, in seconds, for seeking using
> left/right keys. Default is 1
> >>   Disable graphical display.
> >>   @item -noborder
> >>   Borderless window.
> >> + at item -alwaysontop
> >> +Window always on top.
> >>   @item -volume
> >>   Set the startup volume. 0 means silence, 100 means no volume
> reduction or
> >>   amplification. Negative values are treated as 0, values above 100 are
> treated
> >> diff --git a/fftools/ffplay.c b/fftools/ffplay.c
> >> index 8f050e16e6..931dc08e2d 100644
> >> --- a/fftools/ffplay.c
> >> +++ b/fftools/ffplay.c
> >> @@ -324,6 +324,7 @@ static int seek_by_bytes = -1;
> >>   static float seek_interval = 10;
> >>   static int display_disable;
> >>   static int borderless;
> >> +static int alwaysontop;
> >>   static int startup_volume = 100;
> >>   static int show_status = 1;
> >>   static int av_sync_type = AV_SYNC_AUDIO_MASTER;
> >> @@ -3581,6 +3582,7 @@ static const OptionDef options[] = {
> >>       { "seek_interval", OPT_FLOAT | HAS_ARG, { &seek_interval }, "set
> seek interval for left/right keys, in seconds", "seconds" },
> >>       { "nodisp", OPT_BOOL, { &display_disable }, "disable graphical
> display" },
> >>       { "noborder", OPT_BOOL, { &borderless }, "borderless window" },
> >> +    { "alwaysontop", OPT_BOOL, { &alwaysontop }, "window always on
> top" },
> >>       { "volume", OPT_INT | HAS_ARG, { &startup_volume}, "set startup
> volume 0=min 100=max", "volume" },
> >>       { "f", HAS_ARG, { .func_arg = opt_format }, "force format", "fmt"
> },
> >>       { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg =
> opt_frame_pix_fmt }, "set pixel format", "format" },
> >> @@ -3722,6 +3724,8 @@ int main(int argc, char **argv)
> >>
> >>       if (!display_disable) {
> >>           int flags = SDL_WINDOW_HIDDEN;
> >> +        if (alwaysontop)
> >> +            flags |= SDL_WINDOW_ALWAYS_ON_TOP;
> > fails to build
> >
> > fftools/ffplay.c: In function ‘main’:
> > fftools/ffplay.c:3728:22: error: ‘SDL_WINDOW_ALWAYS_ON_TOP’ undeclared
> (first use in this function)
> >               flags |= SDL_WINDOW_ALWAYS_ON_TOP;
>
> Is qualified as 'X11 only, >= SDL 2.0.5' at
> https://wiki.libsdl.org/SDL_WindowFlags
>
> Gyan
>

Since 2.0.6 it works on Windows too.

>