Convertire un file video in un formato OGG, Matroska e MP4 mediante il Componente gb.media

Convertire un file video nel formato OGG

Ottenere una conversione in formato OGG senza audio

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

Private pl As New MediaPipeline
Private bo As Boolean


Public Sub Main()

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

 temporaneo = Temp

 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"] = temporaneo

 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)
 Repeat
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Until bo

 Copy temporaneo To "/tmp/video.ogg"

 pl.Close
 Quit

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

End


Public Sub PLine_End()

 bo = True

End

Convertire un file video nel formato Matroska

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

Private pl As New MediaPipeline
Private bo As Boolean


Public Sub Main()

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

 temporaneo = Temp

 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"] = temporaneo

 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)
 Repeat
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Until bo

 Copy temporaneo To "/tmp/video.mkv"

 pl.Close
 Quit

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

End


Public Sub PLine_End()

 bo = True

End

Convertire un file video nel formato MP4

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

Private pl As New MediaPipeline
Private bo As Boolean


Public Sub Main()

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

 temporaneo = Temp

 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"] = temporaneo

 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)
 Repeat
   Write "\r\e[0mTempo trascorso:     \e[31m" & Time(0, 0, 0, pl.Position * 1000)
   Wait 0.01
 Until bo

 Copy temporaneo To "/tmp/video.mp4"

 pl.Close
 Quit

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

End


Public Sub PLine_End()

 bo = True

End