Differenze tra le versioni di "Convertire un file video in un formato OGG, Matroska e MP4 mediante il Componente gb.media"

Da Gambas-it.org - Wikipedia.
(Creata pagina con "===Convertire un file video nel formato OGG=== Per convertire un file video in un file video di formato OGG mediante il Componente ''gb.media'', è possibile usare il seguente...")
 
 
(10 versioni intermedie di uno stesso utente non sono mostrate)
Riga 1: Riga 1:
−
===Convertire un file video nel formato OGG===
+
==Convertire un file video nel formato OGG==
−
Per convertire un file video in un file video di formato OGG mediante il Componente ''gb.media'', è possibile usare il seguente codice:
+
 
−
  Private pl As New MediaPipeline
+
===Ottenere una conversione in formato OGG con audio===
 +
Si otterrà un file video del formato OGG, ma <SPAN Style="text-decoration:underline">con audio</span>, se il file originario è un file audio/video:
 +
Private bo As Boolean
 +
 +
 +
Public Sub Main()
 +
 +
  Dim pl As MediaPipeline
 +
  Dim src, vdcb, tee, vcon, the, adcb, acon, vor, ogg, snk As MediaControl
 +
  Dim que1, que2, que3 As MediaControl
 +
 
 +
  pl = New MediaPipeline As "PLine"
 +
 +
  src = New MediaControl(pl, "filesrc")
 +
  src["location"] = "<FONT Color=darkgreen>''/percorso/del/file/video''</font>"
 +
  tee = New MediaControl(pl, "tee")
 +
  vdcb = New MediaControl(pl, "decodebin")
 +
  que1 = New MediaControl(pl, "queue")
 +
  vcon = New MediaControl(pl, "videoconvert")
 +
  the = New MediaControl(pl, "theoraenc")
 +
  adcb = New MediaControl(pl, "decodebin")
 +
  que2 = New MediaControl(pl, "queue")
 +
  acon = New MediaControl(pl, "audioconvert")
 +
  vor = New MediaControl(pl, "vorbisenc")
 +
  que3 = New MediaControl(pl, "queue")
 +
  ogg = New MediaControl(pl, "oggmux")
 +
  snk = New MediaControl(pl, "filesink")
 +
  snk["location"] = "/tmp/video.ogg"
 +
 +
<FONT Color=gray>' '''''Parte video:'''''</font>
 +
  src.LinkTo(tee)
 +
  tee.LinkTo(vdcb)
 +
  vdcb.LinkLaterTo(que1)
 +
  que1.LinkTo(vcon)
 +
  vcon.LinkTo(the)
 +
  the.LinkTo(ogg)
 +
<FONT Color=gray>' '''''Parte audio:'''''</font>
 +
  tee.LinkTo(adcb)
 +
  adcb.LinkLaterTo(que2)
 +
  que2.LinkTo(acon)
 +
  acon.LinkTo(vor)
 +
  vor.LinkTo(que3)
 +
<FONT Color=gray>' '''''Combinazione dei dati audio e video:'''''</font>
 +
  que3.LinkTo(ogg)
 +
<FONT Color=gray>' '''''Creazione del file ogg finale:'''''</font>
 +
  ogg.LinkTo(snk)
 +
 
 +
<FONT Color=gray>' ''Avvia la conversione audio-video:''</font>
 +
  pl.Play()
 +
 +
  While pl.Duration < 1
 +
    Wait 0.01
 +
  Wend
 +
  Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 +
  While Not bo
 +
    Write "\r\e[0mTempo trascorso:    \e[31m" & Time(0, 0, 0, pl.Position * 1000)
 +
    Wait 0.01
 +
  Wend
 +
 +
  pl.Stop()
 +
  pl.Close()
 +
  Print "\nTermine registrazione"
 +
  Quit
 +
 +
End
 +
 +
 +
Public Sub PLine_End()
 +
 +
  bo = True
 +
 +
End
 +
 
 +
 
 +
===Ottenere una conversione in formato OGG senza audio===
 +
Si otterrà un file video del formato OGG, ma <SPAN Style="text-decoration:underline">privo di audio</span>:
 +
  Private pl As MediaPipeline
 
  Private bo As Boolean
 
  Private bo As Boolean
 
   
 
   
Riga 8: Riga 84:
 
   
 
   
 
   Dim src, dcb, vdc, enc, mux, snk As MediaControl
 
   Dim src, dcb, vdc, enc, mux, snk As MediaControl
−
  Dim temporaneo As String
 
−
 
−
  temporaneo = Temp
 
 
   
 
   
 
   pl = New MediaPipeline As "PLine"
 
   pl = New MediaPipeline As "PLine"
 
   
 
   
 
   src = New MediaControl(pl, "filesrc")
 
   src = New MediaControl(pl, "filesrc")
−
   src["location"] = "<FONT Color=gray>''/percorso/del/file.avi''</font>"
+
   src["location"] = "<FONT Color=darkgreen>''/percorso/del/file/video''</font>"
 
   dcb = New MediaControl(pl, "decodebin")
 
   dcb = New MediaControl(pl, "decodebin")
 
   vdc = New MediaControl(pl, "videoconvert")
 
   vdc = New MediaControl(pl, "videoconvert")
Riga 21: Riga 94:
 
   mux = New MediaControl(pl, "oggmux")
 
   mux = New MediaControl(pl, "oggmux")
 
   snk = New MediaControl(pl, "filesink")
 
   snk = New MediaControl(pl, "filesink")
−
   snk["location"] = temporaneo
+
   snk["location"] = "/tmp/video.ogg"
 
   
 
   
 
   src.LinkTo(dcb)
 
   src.LinkTo(dcb)
Riga 31: Riga 104:
 
   pl.Play()
 
   pl.Play()
 
   
 
   
 +
  While pl.Duration < 1
 +
    Wait 0.01
 +
  Wend
 +
  Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 
   While Not bo
 
   While Not bo
 +
    Write "\r\e[0mTempo trascorso:    \e[31m" & Time(0, 0, 0, pl.Position * 1000)
 
     Wait 0.01
 
     Wait 0.01
 
   Wend
 
   Wend
 
   
 
   
−
   Copy temporaneo To "/tmp/video.ogg"
+
   pl.Close
 +
  Quit
 
   
 
   
−
   pl.Close
+
   Print "\n\e[0mConversione terminata !"
−
  Quit
 
 
   
 
   
 
  End
 
  End
 +
 
   
 
   
 
  Public Sub PLine_End()
 
  Public Sub PLine_End()
Riga 48: Riga 127:
 
  End
 
  End
  
−
===Convertire un file video nel formato Matroska===
+
==Convertire un file video senza audio nel formato Matroska==
−
  Private pl As New MediaPipeline
+
Si otterrà un file video del formato Matroska, ma <U>privo di audio</u>:
 +
  Private pl As MediaPipeline
 
  Private bo As Boolean
 
  Private bo As Boolean
 
   
 
   
Riga 56: Riga 136:
 
   
 
   
 
   Dim src, dcb, vdc, enc, mux, snk As MediaControl
 
   Dim src, dcb, vdc, enc, mux, snk As MediaControl
−
  Dim temporaneo As String
 
−
 
−
  temporaneo = Temp
 
 
   
 
   
 
   pl = New MediaPipeline As "PLine"
 
   pl = New MediaPipeline As "PLine"
 
   
 
   
 
   src = New MediaControl(pl, "filesrc")
 
   src = New MediaControl(pl, "filesrc")
−
   src["location"] = "<FONT Color=gray>''/percorso/del/file.avi''</font>"
+
   src["location"] = "<FONT Color=darkgreen>''/percorso/del/file/video''</font>"
 
   dcb = New MediaControl(pl, "decodebin")
 
   dcb = New MediaControl(pl, "decodebin")
 
   vdc = New MediaControl(pl, "videoconvert")
 
   vdc = New MediaControl(pl, "videoconvert")
Riga 69: Riga 146:
 
   mux = New MediaControl(pl, "matroskamux")
 
   mux = New MediaControl(pl, "matroskamux")
 
   snk = New MediaControl(pl, "filesink")
 
   snk = New MediaControl(pl, "filesink")
−
   snk["location"] = temporaneo
+
   snk["location"] = "/tmp/video.mkv"
 
   
 
   
 
   src.LinkTo(dcb)
 
   src.LinkTo(dcb)
Riga 79: Riga 156:
 
   pl.Play()
 
   pl.Play()
 
   
 
   
 +
  While pl.Duration < 1
 +
    Wait 0.01
 +
  Wend
 +
  Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 
   While Not bo
 
   While Not bo
 +
    Write "\r\e[0mTempo trascorso:    \e[31m" & Time(0, 0, 0, pl.Position * 1000)
 
     Wait 0.01
 
     Wait 0.01
 
   Wend
 
   Wend
 
   
 
   
−
   Copy temporaneo To "/tmp/video.mkv"
+
   pl.Close
 +
  Quit
 
   
 
   
−
   pl.Close
+
   Print "\n\e[0mConversione terminata !"
−
  Quit
 
 
   
 
   
 
  End
 
  End
 +
 
   
 
   
 
  Public Sub PLine_End()
 
  Public Sub PLine_End()
Riga 96: Riga 179:
 
  End
 
  End
  
−
===Convertire un file video nel formato MP4===
+
==Convertire un file video senza audio nel formato MP4==
−
  Private pl As New MediaPipeline
+
Si otterrà un file video del formato MP4, ma <U>privo di audio</u>:
 +
  Private pl As MediaPipeline
 
  Private bo As Boolean
 
  Private bo As Boolean
 
   
 
   
Riga 104: Riga 188:
 
   
 
   
 
   Dim src, dcb, vdc, enc, mux, snk As MediaControl
 
   Dim src, dcb, vdc, enc, mux, snk As MediaControl
−
  Dim temporaneo As String
 
−
 
−
  temporaneo = Temp
 
 
   
 
   
 
   pl = New MediaPipeline As "PLine"
 
   pl = New MediaPipeline As "PLine"
 
   
 
   
 
   src = New MediaControl(pl, "filesrc")
 
   src = New MediaControl(pl, "filesrc")
−
   src["location"] = "<FONT Color=gray>''/percorso/del/file.avi''</font>"
+
   src["location"] = "<FONT Color=darkgreen>''/percorso/del/file/video''</font>"
 
   dcb = New MediaControl(pl, "decodebin")
 
   dcb = New MediaControl(pl, "decodebin")
 
   vdc = New MediaControl(pl, "videoconvert")
 
   vdc = New MediaControl(pl, "videoconvert")
Riga 117: Riga 198:
 
   mux = New MediaControl(pl, "mp4mux")
 
   mux = New MediaControl(pl, "mp4mux")
 
   snk = New MediaControl(pl, "filesink")
 
   snk = New MediaControl(pl, "filesink")
−
   snk["location"] = temporaneo
+
   snk["location"] = "/tmp/video.mp4"
 
   
 
   
 
   src.LinkTo(dcb)
 
   src.LinkTo(dcb)
Riga 127: Riga 208:
 
   pl.Play()
 
   pl.Play()
 
   
 
   
 +
  While pl.Duration < 1
 +
    Wait 0.01
 +
  Wend
 +
  Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 
   While Not bo
 
   While Not bo
 +
    Write "\r\e[0mTempo trascorso:    \e[31m" & Time(0, 0, 0, pl.Position * 1000)
 
     Wait 0.01
 
     Wait 0.01
 
   Wend
 
   Wend
 
   
 
   
−
   Copy temporaneo To "/tmp/video.mp4"
+
   pl.Close
 +
  Quit
 
   
 
   
−
   pl.Close
+
   Print "\n\e[0mConversione terminata !"
−
  Quit
 
 
   
 
   
 
  End
 
  End
 +
 
   
 
   
 
  Public Sub PLine_End()
 
  Public Sub PLine_End()

Versione attuale delle 04:38, 3 lug 2024

Convertire un file video nel formato OGG

Ottenere una conversione in formato OGG con audio

Si otterrà un file video del formato OGG, ma con audio, se il file originario è un file audio/video: 

Private bo As Boolean


Public Sub Main()

 Dim pl As MediaPipeline
 Dim src, vdcb, tee, vcon, the, adcb, acon, vor, ogg, snk As MediaControl
 Dim que1, que2, que3 As MediaControl
  
 pl = New MediaPipeline As "PLine"

 src = New MediaControl(pl, "filesrc")
 src["location"] = "/percorso/del/file/video"
 tee = New MediaControl(pl, "tee")
 vdcb = New MediaControl(pl, "decodebin")
 que1 = New MediaControl(pl, "queue")
 vcon = New MediaControl(pl, "videoconvert")
 the = New MediaControl(pl, "theoraenc")
 adcb = New MediaControl(pl, "decodebin")
 que2 = New MediaControl(pl, "queue")
 acon = New MediaControl(pl, "audioconvert")
 vor = New MediaControl(pl, "vorbisenc")
 que3 = New MediaControl(pl, "queue")
 ogg = New MediaControl(pl, "oggmux")
 snk = New MediaControl(pl, "filesink")
 snk["location"] = "/tmp/video.ogg"

' Parte video:
 src.LinkTo(tee)
 tee.LinkTo(vdcb)
 vdcb.LinkLaterTo(que1)
 que1.LinkTo(vcon)
 vcon.LinkTo(the)
 the.LinkTo(ogg)
' Parte audio:
 tee.LinkTo(adcb)
 adcb.LinkLaterTo(que2)
 que2.LinkTo(acon)
 acon.LinkTo(vor)
 vor.LinkTo(que3)
' Combinazione dei dati audio e video:
 que3.LinkTo(ogg)
' Creazione del file ogg finale:
 ogg.LinkTo(snk)
 
' Avvia la conversione audio-video:
 pl.Play()

 While pl.Duration < 1
   Wait 0.01
 Wend
 Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 While Not bo
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Wend

 pl.Stop()
 pl.Close()
 Print "\nTermine registrazione"
 Quit

End


Public Sub PLine_End()

 bo = True

End


Ottenere una conversione in formato OGG senza audio

Si otterrà un file video del formato OGG, ma privo di audio: 

Private pl As MediaPipeline
Private bo As Boolean


Public Sub Main()

 Dim src, dcb, vdc, enc, mux, snk As MediaControl

 pl = New MediaPipeline As "PLine"

 src = New MediaControl(pl, "filesrc")
 src["location"] = "/percorso/del/file/video"
 dcb = New MediaControl(pl, "decodebin")
 vdc = New MediaControl(pl, "videoconvert")
 enc = New MediaControl(pl, "theoraenc")
 mux = New MediaControl(pl, "oggmux")
 snk = New MediaControl(pl, "filesink")
 snk["location"] = "/tmp/video.ogg"

 src.LinkTo(dcb)
 dcb.LinkLaterTo(vdc)
 vdc.LinkTo(enc)
 enc.LinkTo(mux)
 mux.LinkTo(snk)

 pl.Play()

 While pl.Duration < 1
   Wait 0.01
 Wend
 Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 While Not bo
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Wend

 pl.Close
 Quit

 Print "\n\e[0mConversione terminata !"

End


Public Sub PLine_End()

 bo = True

End

Convertire un file video senza audio nel formato Matroska

Si otterrà un file video del formato Matroska, ma privo di audio: 

Private pl As MediaPipeline
Private bo As Boolean


Public Sub Main()

 Dim src, dcb, vdc, enc, mux, snk As MediaControl

 pl = New MediaPipeline As "PLine"

 src = New MediaControl(pl, "filesrc")
 src["location"] = "/percorso/del/file/video"
 dcb = New MediaControl(pl, "decodebin")
 vdc = New MediaControl(pl, "videoconvert")
 enc = New MediaControl(pl, "x264enc")
 mux = New MediaControl(pl, "matroskamux")
 snk = New MediaControl(pl, "filesink")
 snk["location"] = "/tmp/video.mkv"

 src.LinkTo(dcb)
 dcb.LinkLaterTo(vdc)
 vdc.LinkTo(enc)
 enc.LinkTo(mux)
 mux.LinkTo(snk)

 pl.Play()

 While pl.Duration < 1
   Wait 0.01
 Wend
 Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 While Not bo
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Wend

 pl.Close
 Quit

 Print "\n\e[0mConversione terminata !"

End


Public Sub PLine_End()

 bo = True

End

Convertire un file video senza audio nel formato MP4

Si otterrà un file video del formato MP4, ma privo di audio: 

Private pl As MediaPipeline
Private bo As Boolean


Public Sub Main()

 Dim src, dcb, vdc, enc, mux, snk As MediaControl

 pl = New MediaPipeline As "PLine"

 src = New MediaControl(pl, "filesrc")
 src["location"] = "/percorso/del/file/video"
 dcb = New MediaControl(pl, "decodebin")
 vdc = New MediaControl(pl, "videoconvert")
 enc = New MediaControl(pl, "x264enc")
 mux = New MediaControl(pl, "mp4mux")
 snk = New MediaControl(pl, "filesink")
 snk["location"] = "/tmp/video.mp4"

 src.LinkTo(dcb)
 dcb.LinkLaterTo(vdc)
 vdc.LinkTo(enc)
 enc.LinkTo(mux)
 mux.LinkTo(snk)

 pl.Play()

 While pl.Duration < 1
   Wait 0.01
 Wend
 Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000)
 While Not bo
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Wend

 pl.Close
 Quit

 Print "\n\e[0mConversione terminata !"

End


Public Sub PLine_End()

 bo = True

End
Estratto da "https://www.gambas-it.org/wiki/index.php?title=Convertire_un_file_video_in_un_formato_OGG,_Matroska_e_MP4_mediante_il_Componente_gb.media&oldid=37871"