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.
(3 versioni intermedie di uno stesso utente non sono mostrate) | |||
Riga 11: | Riga 11: | ||
Dim src, vdcb, tee, vcon, the, adcb, acon, vor, ogg, snk As MediaControl | Dim src, vdcb, tee, vcon, the, adcb, acon, vor, ogg, snk As MediaControl | ||
Dim que1, que2, que3 As MediaControl | Dim que1, que2, que3 As MediaControl | ||
− | |||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 31: | Riga 28: | ||
ogg = New MediaControl(pl, "oggmux") | ogg = New MediaControl(pl, "oggmux") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp/video.ogg" |
<FONT Color=gray>' '''''Parte video:'''''</font> | <FONT Color=gray>' '''''Parte video:'''''</font> | ||
Riga 58: | Riga 55: | ||
Wend | Wend | ||
Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000) | 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) | Write "\r\e[0mTempo trascorso: \e[31m" & Time(0, 0, 0, pl.Position * 1000) | ||
Wait 0.01 | Wait 0.01 | ||
− | + | Wend | |
− | |||
pl.Stop() | pl.Stop() | ||
pl.Close() | pl.Close() | ||
Riga 81: | Riga 77: | ||
===Ottenere una conversione in formato OGG senza audio=== | ===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>: | Si otterrà un file video del formato OGG, ma <SPAN Style="text-decoration:underline">privo di audio</span>: | ||
− | Private pl As | + | Private pl As MediaPipeline |
Private bo As Boolean | Private bo As Boolean | ||
Riga 112: | Riga 108: | ||
Wend | Wend | ||
Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000) | 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) | Write "\r\e[0mTempo trascorso: \e[31m" & Time(0, 0, 0, pl.Position * 1000) | ||
Wait 0.01 | Wait 0.01 | ||
− | + | Wend | |
pl.Close | pl.Close | ||
Riga 133: | Riga 129: | ||
==Convertire un file video senza audio nel formato Matroska== | ==Convertire un file video senza audio nel formato Matroska== | ||
Si otterrà un file video del formato Matroska, ma <U>privo di audio</u>: | Si otterrà un file video del formato Matroska, ma <U>privo di audio</u>: | ||
− | Private pl As | + | Private pl As MediaPipeline |
Private bo As Boolean | Private bo As Boolean | ||
Riga 164: | Riga 160: | ||
Wend | Wend | ||
Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000) | 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) | Write "\r\e[0mTempo trascorso: \e[31m" & Time(0, 0, 0, pl.Position * 1000) | ||
Wait 0.01 | Wait 0.01 | ||
− | + | Wend | |
pl.Close | pl.Close | ||
Riga 183: | Riga 179: | ||
End | End | ||
− | ==Convertire un file video nel formato MP4== | + | ==Convertire un file video senza audio nel formato MP4== |
− | Si otterrà un file video del formato MP4, ma < | + | Si otterrà un file video del formato MP4, ma <U>privo di audio</u>: |
− | Private pl As | + | Private pl As MediaPipeline |
Private bo As Boolean | Private bo As Boolean | ||
Riga 192: | Riga 188: | ||
Dim src, dcb, vdc, enc, mux, snk As MediaControl | Dim src, dcb, vdc, enc, mux, snk As MediaControl | ||
− | |||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 205: | Riga 198: | ||
mux = New MediaControl(pl, "mp4mux") | mux = New MediaControl(pl, "mp4mux") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp/video.mp4" |
src.LinkTo(dcb) | src.LinkTo(dcb) | ||
Riga 219: | Riga 212: | ||
Wend | Wend | ||
Print "Durata del file video: "; Time(0, 0, 0, pl.Duration * 1000) | 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) | Write "\r\e[0mTempo trascorso: \e[31m" & Time(0, 0, 0, pl.Position * 1000) | ||
Wait 0.01 | Wait 0.01 | ||
− | + | Wend | |
− | |||
− | |||
pl.Close | pl.Close |
Versione attuale delle 04:38, 3 lug 2024
Indice
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