Como criar a interface grafica para o ffplay - Display video

Minions
(usa Nenhuma)

Enviado em 10/07/2021 - 10:34h

Na tela abaixo podemos ver um exemplo de uso do ffplay com interface gráfica.

#!/bin/bash



### VARIABLES ####################################################



filename="$1"

timestampFile="/dev/shm/numbers.text" # Location of FFplay stdout

ffplayPID="" # Process ID of FFplay child-process



### FUNCTIONS ####################################################



function videoLength() 

{

   ffprobe "$1" 2>&1 | \

   grep Duration | \

   awk -F: '{ print ($2 * 3600) + ($3 * 60) + $4 }' | \

   cut -d '.' -f 1

}



function displayVideo() 

{

   ffplay \

      -i "$1" \

      -vf  "$ancillary,\

            $timecode,\

            $pictureType,\

            $progressBar" \

      -an \

      2>&1 | stdbuf -oL awk '{print $1}' > "$timestampFile" &

      # NB1: 'stdbuf' used to remove file I/O buffer lag

      

   #ffplayPID="$!" 

   echo "$!" # Return PID value of ffplay instance

}



### FILTERS ######################################################



progressBar=\

"\

   pad=iw:ih+36:\

      color=gray,\

   drawtext=fontfile=/usr/share/fonts/truetype/freefont/FreeSans.ttf:\

      fontsize=50:\

      fontcolor=black@.4:\

      y=h-36:x=t*(640/$(videoLength $filename))-6:\

      text='I'\

"

timecode=\

"\

   drawtext=fontfile=/usr/share/fonts/truetype/freefont/FreeSans.ttf:\

      fontsize=50:\

      fontcolor=white:\

      x=(w-tw)/2: y=h-(2*lh):\

      box=1:\

      boxcolor=0x00000000@0.6:\

      text='%{pts\:hms}'\

"

pictureType=\

"\

   drawtext=fontfile=/usr/share/fonts/truetype/freefont/FreeSans.ttf:\

      fontsize=50:\

      fontcolor=white:\

      x=(w-tw)/1.25: y=h-(2*lh):\

      box=1:\

      boxcolor=0x00000000@0.6:\

      text='%{pict_type}'\

"



ancillary=\

"\

   scale=640:-2,\

   showinfo\

"



### BEGIN ##########################################################



displayVideo "$filename"



### NOTES ##########################################################



#NB1: https://www.gnu.org/software/coreutils/manual/html_node/stdbuf-invocation.html





 

removido
(usa Nenhuma)

Enviado em 10/07/2021 - 11:01h

Para Shell Script: Zenity, Yad, Kdialog...

Se quiser algo mais elaborado, teria q partir para alguma linguagem mais avançada, tipo o Python, JavaScript, C/C++...

Minions
(usa Nenhuma)

Enviado em 10/07/2021 - 17:50h

Acho que pelo ffplay podemos ativar essa tela com menu que esta na foto acima.

removido
(usa Nenhuma)

Enviado em 10/07/2021 - 18:41h

Pelo print, está usando Zenity.

Minions
(usa Nenhuma)

Enviado em 10/07/2021 - 21:30h

Sabe como foi feito isso com ffplay?
Parece que mostra o tempo onde esta o vídeo atualmente