Differenze tra le versioni di "Convertire i formati audio mediante il Componente gb.media"
(12 versioni intermedie di uno stesso utente non sono mostrate) | |||
Riga 11: | Riga 11: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, wprs, cnv, lam, snk As MediaControl | Dim src, wprs, cnv, lam, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 31: | Riga 29: | ||
lam["bitrate"] = 192 <FONT Color=gray>' ''Imposta il valore del Bitrate "Costante".''</font> | lam["bitrate"] = 192 <FONT Color=gray>' ''Imposta il valore del Bitrate "Costante".''</font> | ||
snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" |
<FONT Color=gray>' ''Collega fra loro all'interno della pipeline gli oggetti MediaControl impostati:''</font> | <FONT Color=gray>' ''Collega fra loro all'interno della pipeline gli oggetti MediaControl impostati:''</font> | ||
Riga 51: | Riga 49: | ||
Until bo | Until bo | ||
− | + | <FONT Color=darkgray>' ''E' necessario prevedere sia il Metodo ".Stop" che il Metodo ".Close" della Classe "MediaPipeline", per evitare di ottenere un file audio vuoto:''</font> | |
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 74: | Riga 71: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, wprs, cnv, vor, mux, snk As MediaControl | Dim src, wprs, cnv, vor, mux, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | ||
− | + | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 92: | Riga 87: | ||
mux = New MediaControl(pl, "<FONT Color=#B22222>oggmux</font>") | mux = New MediaControl(pl, "<FONT Color=#B22222>oggmux</font>") | ||
snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" |
src.LinkTo(wprs) | src.LinkTo(wprs) | ||
Riga 111: | Riga 106: | ||
Until bo | Until bo | ||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 120: | Riga 114: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 133: | Riga 127: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, wav, cnv, aac, snk As MediaControl | Dim src, wav, cnv, aac, snk As MediaControl | ||
Riga 139: | Riga 133: | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 152: | Riga 144: | ||
flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".aac" |
src.LinkTo(wav) | src.LinkTo(wav) | ||
Riga 172: | Riga 164: | ||
Until bo | Until bo | ||
− | + | pl.Stop | |
+ | pl.Close | ||
+ | |||
+ | Print "\n\e[0mConversione terminata !" | ||
+ | |||
+ | End | ||
+ | |||
+ | |||
+ | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> | ||
+ | |||
+ | bo = True | ||
+ | |||
+ | End | ||
+ | |||
+ | |||
+ | ===Conversione audio dal formato WAV al formato OPUS-Ogg=== | ||
+ | Private bo As Boolean | ||
+ | |||
+ | |||
+ | Public Sub Main() | ||
+ | |||
+ | Dim fileaudio As String | ||
+ | Dim pl As MediaPipeline | ||
+ | Dim src, wav, cnv, res, opu, mux, snk As MediaControl | ||
+ | |||
+ | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.wav''</font>" | ||
+ | |||
+ | pl = New MediaPipeline As "PLine" | ||
+ | |||
+ | src = New MediaControl(pl, "filesrc") | ||
+ | src["location"] = fileaudio | ||
+ | |||
+ | wav = New MediaControl(pl, "<FONT Color=#B22222>wavparse</font>") | ||
+ | cnv = New MediaControl(pl, "<FONT Color=#B22222>audioconvert</font>") | ||
+ | res = New MediaControl(pl, "<FONT Color=#B22222>audioresample</font>") | ||
+ | opu = New MediaControl(pl, "<FONT Color=#B22222>opusenc</font>") | ||
+ | opu["bitrate"] = 64000 | ||
+ | mux = New MediaControl(pl, "<FONT Color=#B22222>oggmux</font>") | ||
+ | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
+ | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".opus" | ||
+ | |||
+ | src.LinkTo(wav) | ||
+ | wav.LinkTo(cnv) | ||
+ | cnv.LinkTo(res) | ||
+ | res.LinkTo(opu) | ||
+ | opu.LinkTo(mux) | ||
+ | mux.LinkTo(snk) | ||
+ | |||
+ | pl.Play() | ||
+ | |||
+ | While pl.Duration < 1 | ||
+ | Wait 0.01 | ||
+ | Wend | ||
+ | Print "Durata del file wav: "; 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 | ||
pl.Stop | pl.Stop | ||
Riga 182: | Riga 231: | ||
− | Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 195: | Riga 244: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, map, mad, vor, mux, snk As MediaControl | Dim src, map, mad, vor, mux, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 207: | Riga 254: | ||
src = New MediaControl(pl, "filesrc") | src = New MediaControl(pl, "filesrc") | ||
src["location"] = fileaudio | src["location"] = fileaudio | ||
− | + | ||
map = New MediaControl(pl, "<FONT Color=#B22222>mpegaudioparse</font>") | map = New MediaControl(pl, "<FONT Color=#B22222>mpegaudioparse</font>") | ||
mad = New MediaControl(pl, "<FONT Color=#B22222>mpg123audiodec</font>") | mad = New MediaControl(pl, "<FONT Color=#B22222>mpg123audiodec</font>") | ||
Riga 213: | Riga 260: | ||
mux = New MediaControl(pl, "<FONT Color=#B22222>oggmux</font>") | mux = New MediaControl(pl, "<FONT Color=#B22222>oggmux</font>") | ||
snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" |
− | + | ||
src.LinkTo(map) | src.LinkTo(map) | ||
map.LinkTo(mad) | map.LinkTo(mad) | ||
Riga 222: | Riga 269: | ||
pl.Play() | pl.Play() | ||
− | + | ||
While pl.Duration < 1 | While pl.Duration < 1 | ||
Wait 0.01 | Wait 0.01 | ||
Riga 231: | Riga 278: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 242: | Riga 287: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 255: | Riga 300: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, map, mad, wav, snk As MediaControl | Dim src, map, mad, wav, snk As MediaControl | ||
Riga 261: | Riga 306: | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | ||
− | + | pl = New MediaPipeline As "PLine" | |
− | |||
− | |||
src = New MediaControl(pl, "filesrc") | src = New MediaControl(pl, "filesrc") | ||
src["location"] = fileaudio | src["location"] = fileaudio | ||
− | + | ||
map = New MediaControl(pl, "<FONT Color=#B22222>mpegaudioparse</font>") | map = New MediaControl(pl, "<FONT Color=#B22222>mpegaudioparse</font>") | ||
mad = New MediaControl(pl, "<FONT Color=#B22222>mpg123audiodec</font>") | mad = New MediaControl(pl, "<FONT Color=#B22222>mpg123audiodec</font>") | ||
wav = New MediaControl(pl, "<FONT Color=#B22222>wavenc</font>") | wav = New MediaControl(pl, "<FONT Color=#B22222>wavenc</font>") | ||
snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
− | + | ||
src.LinkTo(map) | src.LinkTo(map) | ||
map.LinkTo(mad) | map.LinkTo(mad) | ||
mad.LinkTo(wav) | mad.LinkTo(wav) | ||
wav.LinkTo(snk) | wav.LinkTo(snk) | ||
− | + | ||
pl.Play() | pl.Play() | ||
Riga 289: | Riga 332: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 300: | Riga 341: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 313: | Riga 354: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, map, mad, aac, snk As MediaControl | Dim src, map, mad, aac, snk As MediaControl | ||
Riga 319: | Riga 360: | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 331: | Riga 370: | ||
flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".aac" |
src.LinkTo(map) | src.LinkTo(map) | ||
Riga 350: | Riga 389: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 361: | Riga 398: | ||
− | Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 375: | Riga 412: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, par, dcd, snk As MediaControl | Dim src, par, dcd, snk As MediaControl | ||
− | Dim | + | Dim flt As MediaFilter |
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 388: | Riga 423: | ||
src = New MediaControl(pl, "filesrc") | src = New MediaControl(pl, "filesrc") | ||
src["location"] = fileaudio | src["location"] = fileaudio | ||
− | + | ||
par = New MediaControl(pl, "<FONT Color=#B22222>mpegaudioparse</font>") | par = New MediaControl(pl, "<FONT Color=#B22222>mpegaudioparse</font>") | ||
dcd = New MediaControl(pl, "<FONT Color=#B22222>mpg123audiodec</font>") | dcd = New MediaControl(pl, "<FONT Color=#B22222>mpg123audiodec</font>") | ||
− | + | flt = New MediaFilter(pl, "<FONT Color=#B22222>audio/x-raw, format=S16LE, rate=44100, channels=2, endianness=1234, width=16, depth=16</font>") | |
snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".raw" |
src.LinkTo(par) | src.LinkTo(par) | ||
par.LinkTo(dcd) | par.LinkTo(dcd) | ||
− | dcd.LinkTo( | + | dcd.LinkTo(flt) |
− | + | flt.LinkTo(snk) | |
pl.Play() | pl.Play() | ||
Riga 410: | Riga 445: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 421: | Riga 454: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 436: | Riga 469: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, ogg, vor, cnv, lam, snk As MediaControl | Dim src, ogg, vor, cnv, lam, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.ogg''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.ogg''</font>" | ||
− | + | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 457: | Riga 488: | ||
lam["bitrate"] = 192 ' Imposta il valore del Bitrate "Costante". | lam["bitrate"] = 192 ' Imposta il valore del Bitrate "Costante". | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" |
src.LinkTo(ogg) | src.LinkTo(ogg) | ||
Riga 473: | Riga 504: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 484: | Riga 513: | ||
− | Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 497: | Riga 526: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, ogg, vor, con, aac, snk As MediaControl | Dim src, ogg, vor, con, aac, snk As MediaControl | ||
Riga 503: | Riga 532: | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.ogg''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.ogg''</font>" | ||
− | + | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 516: | Riga 543: | ||
flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".acc" |
src.LinkTo(ogg) | src.LinkTo(ogg) | ||
Riga 533: | Riga 560: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 544: | Riga 569: | ||
− | Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 559: | Riga 584: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, raw, wav, snk As MediaControl | Dim src, raw, wav, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | ||
− | + | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 579: | Riga 602: | ||
wav = New MediaControl(pl, "wavenc") | wav = New MediaControl(pl, "wavenc") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
src.LinkTo(raw) | src.LinkTo(raw) | ||
Riga 587: | Riga 610: | ||
pl.Play() | pl.Play() | ||
− | Print "Durata del file | + | Print "Durata del file raw: "; Time(0, 0, 0, pl.Duration * 1000) |
Repeat | Repeat | ||
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 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 603: | Riga 624: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 611: | Riga 632: | ||
===Conversione audio dal formato RAW al formato MP3=== | ===Conversione audio dal formato RAW al formato MP3=== | ||
+ | Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 | ||
Private Const QUALITY As String = "quality" | Private Const QUALITY As String = "quality" | ||
Private Const BITRATE As String = "bitrate" | Private Const BITRATE As String = "bitrate" | ||
Riga 618: | Riga 640: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, raw, lam, snk As MediaControl | Dim src, raw, lam, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 641: | Riga 661: | ||
lam["bitrate"] = 192 <FONT Color=gray>' ''Imposta il valore del Bitrate "Costante"''</font> | lam["bitrate"] = 192 <FONT Color=gray>' ''Imposta il valore del Bitrate "Costante"''</font> | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" |
src.LinkTo(raw) | src.LinkTo(raw) | ||
Riga 652: | Riga 672: | ||
Wait 0.01 | Wait 0.01 | ||
Wend | Wend | ||
− | Print "Durata del file | + | Print "Durata del file raw: "; Time(0, 0, 0, pl.Duration * 1000) |
Repeat | Repeat | ||
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 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 668: | Riga 686: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 676: | Riga 694: | ||
===Conversione audio dal formato RAW al formato OGG-Vorbis=== | ===Conversione audio dal formato RAW al formato OGG-Vorbis=== | ||
+ | Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 | ||
Private bo As Boolean | Private bo As Boolean | ||
Riga 681: | Riga 700: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, raw, cnv, vor, mux, snk As MediaControl | Dim src, raw, cnv, vor, mux, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 703: | Riga 720: | ||
mux = New MediaControl(pl, "oggmux") | mux = New MediaControl(pl, "oggmux") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" |
src.LinkTo(raw) | src.LinkTo(raw) | ||
Riga 716: | Riga 733: | ||
Wait 0.01 | Wait 0.01 | ||
Wend | Wend | ||
− | Print "Durata del file | + | Print "Durata del file raw: "; Time(0, 0, 0, pl.Duration * 1000) |
Repeat | Repeat | ||
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) | ||
Riga 722: | Riga 739: | ||
Until bo | Until bo | ||
− | + | pl.Stop | |
+ | pl.Close | ||
+ | |||
+ | Print "\n\e[0mConversione terminata !" | ||
+ | |||
+ | End | ||
+ | |||
+ | |||
+ | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> | ||
+ | |||
+ | bo = True | ||
+ | |||
+ | End | ||
+ | |||
+ | |||
+ | ===Conversione audio dal formato RAW al formato AAC=== | ||
+ | Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 | ||
+ | Private bo As Boolean | ||
+ | |||
+ | |||
+ | Public Sub Main() | ||
+ | |||
+ | Dim fileaudio As String | ||
+ | Dim pl As MediaPipeline | ||
+ | Dim src, raw, aac, snk As MediaControl | ||
+ | Dim flt As MediaFilter | ||
+ | |||
+ | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/raw''</font>" | ||
+ | pl = New MediaPipeline As "PLine" | ||
+ | |||
+ | src = New MediaControl(pl, "filesrc") | ||
+ | src["location"] = fileaudio | ||
+ | |||
+ | raw = New MediaControl(pl, "rawaudioparse") | ||
+ | raw["interleaved"] = True | ||
+ | raw["num-channels"] = 2 | ||
+ | raw["pcm-format"] = GST_AUDIO_FORMAT_S16LE | ||
+ | raw["sample-rate"] = 44100 | ||
+ | aac = New MediaControl(pl, "faac") <FONT Color=gray>' ''oppure anche "'''voaacenc'''"''</font> | ||
+ | flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") | ||
+ | snk = New MediaControl(pl, "filesink") | ||
+ | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".aac" | ||
+ | |||
+ | src.LinkTo(raw) | ||
+ | raw.LinkTo(aac) | ||
+ | aac.LinkTo(flt) | ||
+ | flt.LinkTo(snk) | ||
+ | |||
+ | pl.Play() | ||
+ | |||
+ | Print "Durata del file raw: "; 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 | ||
+ | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 732: | Riga 804: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 745: | Riga 817: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, flp, fld, wav, snk As MediaControl | Dim src, flp, fld, wav, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/flac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/flac''</font>" | ||
− | + | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 761: | Riga 831: | ||
wav = New MediaControl(pl, "wavenc") | wav = New MediaControl(pl, "wavenc") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
src.LinkTo(flp) | src.LinkTo(flp) | ||
Riga 778: | Riga 848: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 789: | Riga 857: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 804: | Riga 872: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, flp, fld, lam, snk As MediaControl | Dim src, flp, fld, lam, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/flac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/flac''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 823: | Riga 889: | ||
lam["bitrate"] = 192 | lam["bitrate"] = 192 | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" |
src.LinkTo(flp) | src.LinkTo(flp) | ||
Riga 840: | Riga 906: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 851: | Riga 915: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 864: | Riga 928: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, flp, fld, cnv, vor, mux, snk As MediaControl | Dim src, flp, fld, cnv, vor, mux, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/flac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/flac''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 882: | Riga 944: | ||
mux = New MediaControl(pl, "oggmux") | mux = New MediaControl(pl, "oggmux") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" |
src.LinkTo(flp) | src.LinkTo(flp) | ||
Riga 901: | Riga 963: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 912: | Riga 972: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 925: | Riga 985: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aac, wav, snk As MediaControl | Dim src, aac, wav, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 940: | Riga 998: | ||
wav = New MediaControl(pl, "wavenc") | wav = New MediaControl(pl, "wavenc") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
src.LinkTo(aac) | src.LinkTo(aac) | ||
Riga 956: | Riga 1 014: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 967: | Riga 1 023: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 982: | Riga 1 038: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aac, lam, snk As MediaControl | Dim src, aac, lam, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 000: | Riga 1 054: | ||
lam["bitrate"] = 192 | lam["bitrate"] = 192 | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" |
src.LinkTo(aac) | src.LinkTo(aac) | ||
Riga 1 016: | Riga 1 070: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 1 027: | Riga 1 079: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 040: | Riga 1 092: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aac, cnv, vor, mux, snk As MediaControl | Dim src, aac, cnv, vor, mux, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 057: | Riga 1 107: | ||
mux = New MediaControl(pl, "oggmux") | mux = New MediaControl(pl, "oggmux") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" |
src.LinkTo(aac) | src.LinkTo(aac) | ||
Riga 1 075: | Riga 1 125: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 1 086: | Riga 1 134: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 099: | Riga 1 147: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aac, snk As MediaControl | Dim src, aac, snk As MediaControl | ||
Riga 1 105: | Riga 1 153: | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aac''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 115: | Riga 1 161: | ||
flt = New MediaFilter(pl, "audio/x-raw, format=S16LE, rate=44100, channels=2, endianness=1234, width=16, depth=16") | flt = New MediaFilter(pl, "audio/x-raw, format=S16LE, rate=44100, channels=2, endianness=1234, width=16, depth=16") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".raw" |
src.LinkTo(aac) | src.LinkTo(aac) | ||
Riga 1 131: | Riga 1 177: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 1 142: | Riga 1 186: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 155: | Riga 1 199: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aif, cnv, wav, snk As MediaControl | Dim src, aif, cnv, wav, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aiff''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aiff''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 171: | Riga 1 213: | ||
wav = New MediaControl(pl, "wavenc") | wav = New MediaControl(pl, "wavenc") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
src.LinkTo(aif) | src.LinkTo(aif) | ||
Riga 1 188: | Riga 1 230: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 1 199: | Riga 1 239: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 214: | Riga 1 254: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aif, cnv, lam, snk As MediaControl | Dim src, aif, cnv, lam, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aiff''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aiff''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 233: | Riga 1 271: | ||
lam["bitrate"] = 192 | lam["bitrate"] = 192 | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" |
src.LinkTo(aif) | src.LinkTo(aif) | ||
Riga 1 250: | Riga 1 288: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | + | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
pl.Close | pl.Close | ||
Riga 1 261: | Riga 1 297: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 274: | Riga 1 310: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, aif, cnv, vor, mux, snk As MediaControl | Dim src, aif, cnv, vor, mux, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aiff''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file/aiff''</font>" | ||
− | + | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 291: | Riga 1 325: | ||
mux = New MediaControl(pl, "oggmux") | mux = New MediaControl(pl, "oggmux") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" |
src.LinkTo(aif) | src.LinkTo(aif) | ||
Riga 1 309: | Riga 1 343: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 1 320: | Riga 1 352: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 336: | Riga 1 368: | ||
Public Sub Main() | Public Sub Main() | ||
− | Dim fileaudio | + | Dim fileaudio As String |
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, dcb, con, flt, wav, snk As MediaControl | Dim src, dcb, con, flt, wav, snk As MediaControl | ||
fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.ogg''</font>" | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.ogg''</font>" | ||
− | |||
− | |||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 354: | Riga 1 384: | ||
wav = New MediaControl(pl, "<FONT Color=#B22222>wavenc</font>") | wav = New MediaControl(pl, "<FONT Color=#B22222>wavenc</font>") | ||
snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | snk = New MediaControl(pl, "<FONT Color=#B22222>filesink</font>") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
src.LinkTo(dcb) | src.LinkTo(dcb) | ||
dcb.LinkLaterTo(con) | dcb.LinkLaterTo(con) | ||
− | con.LinkTo( | + | con.LinkTo(flt) |
− | + | flt.LinkTo(wav) | |
wav.LinkTo(snk) | wav.LinkTo(snk) | ||
Riga 1 369: | Riga 1 399: | ||
Wait 0.01 | Wait 0.01 | ||
Until bo | Until bo | ||
− | |||
− | |||
pl.Stop | pl.Stop | ||
Riga 1 380: | Riga 1 408: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
Riga 1 393: | Riga 1 421: | ||
Public Sub Main() | Public Sub Main() | ||
+ | Dim fileaudio As String | ||
Dim pl As MediaPipeline | Dim pl As MediaPipeline | ||
Dim src, dcb, con, res, flt, wav, snk As MediaControl | Dim src, dcb, con, res, flt, wav, snk As MediaControl | ||
− | + | ||
− | + | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file.mp3''</font>" | |
− | |||
− | fileaudio = "<FONT Color=darkgreen>''/percorso/del/file | ||
pl = New MediaPipeline As "PLine" | pl = New MediaPipeline As "PLine" | ||
Riga 1 410: | Riga 1 437: | ||
wav = New MediaFilter(pl, "wavenc") | wav = New MediaFilter(pl, "wavenc") | ||
snk = New MediaControl(pl, "filesink") | snk = New MediaControl(pl, "filesink") | ||
− | snk["location"] = | + | snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" |
+ | |||
src.LinkTo(dcb) | src.LinkTo(dcb) | ||
dcb.LinkLaterTo(con) | dcb.LinkLaterTo(con) | ||
Riga 1 429: | Riga 1 457: | ||
Until bo | Until bo | ||
− | + | pl.Stop | |
− | |||
pl.Close | pl.Close | ||
Riga 1 438: | Riga 1 465: | ||
− | Public Sub PLine_End() | + | Public Sub PLine_End() <FONT Color=gray>' ''Questo Evento viene sollevato, quando la conversione è terminata''</font> |
bo = True | bo = True | ||
End | End |
Versione attuale delle 04:23, 22 lug 2024
Utilizzando i plugin di GStreamer con le Classi MediaControl e MediaPipeline del Componente gb.media, è possibile effettuare diverse conversioni di file audio da un formato ad un altro.
Mostriamo di seguito qualche esempio pratico.
Indice
- 1 Conversione audio dal formato WAV al formato MP3
- 2 Conversione audio dal formato WAV al formato OGG
- 3 Conversione audio dal formato WAV al formato AAC
- 4 Conversione audio dal formato WAV al formato OPUS-Ogg
- 5 Conversione audio dal formato MP3 al formato OGG
- 6 Conversione audio dal formato MP3 al formato WAV
- 7 Conversione audio dal formato MP3 al formato AAC
- 8 Conversione audio dal formato MP3 al formato RAW
- 9 Conversione audio dal formato OGG-Vorbis al formato MP3
- 10 Conversione audio dal formato OGG-Vorbis al formato AAC
- 11 Conversione audio dal formato RAW al formato WAV
- 12 Conversione audio dal formato RAW al formato MP3
- 13 Conversione audio dal formato RAW al formato OGG-Vorbis
- 14 Conversione audio dal formato RAW al formato AAC
- 15 Conversione audio dal formato FLAC al formato WAV
- 16 Conversione audio dal formato FLAC al formato MP3
- 17 Conversione audio dal formato FLAC al formato OGG-Vorbis
- 18 Conversione audio dal formato AAC al formato WAV
- 19 Conversione audio dal formato AAC al formato MP3
- 20 Conversione audio dal formato AAC al formato OGG-Vorbis
- 21 Conversione audio dal formato AAC al formato RAW
- 22 Conversione audio dal formato AIFF al formato WAV
- 23 Conversione audio dal formato AIFF al formato MP3
- 24 Conversione audio dal formato AIFF al formato OGG-Vorbis
- 25 Conversione audio con il plugin "decodebin"
Conversione audio dal formato WAV al formato MP3
Private Const QUALITY As String = "quality" Private Const BITRATE As String = "bitrate" Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, wprs, cnv, lam, snk As MediaControl fileaudio = "/percorso/del/file.wav" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio wprs = New MediaControl(pl, "wavparse") cnv = New MediaControl(pl, "audioconvert") lam = New MediaControl(pl, "lamemp3enc") lam["target"] = BITRATE ' Imposta il Bitrate. lam["cbr"] = True ' Imposta il Bitrate "Costante". lam["bitrate"] = 192 ' Imposta il valore del Bitrate "Costante". snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" ' Collega fra loro all'interno della pipeline gli oggetti MediaControl impostati: src.LinkTo(wprs) wprs.LinkTo(cnv) cnv.LinkTo(lam) lam.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file wav: "; 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 ' E' necessario prevedere sia il Metodo ".Stop" che il Metodo ".Close" della Classe "MediaPipeline", per evitare di ottenere un file audio vuoto: pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato WAV al formato OGG
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, wprs, cnv, vor, mux, snk As MediaControl fileaudio = "/percorso/del/file.wav" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio wprs = New MediaControl(pl, "wavparse") cnv = New MediaControl(pl, "audioconvert") vor = New MediaControl(pl, "vorbisenc") mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" src.LinkTo(wprs) wprs.LinkTo(cnv) cnv.LinkTo(vor) vor.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file wav: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato WAV al formato AAC
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, wav, cnv, aac, snk As MediaControl Dim flt As MediaFilter fileaudio = "/percorso/del/file.wav" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio wav = New MediaControl(pl, "wavparse") cnv = New MediaControl(pl, "audioconvert") aac = New MediaControl(pl, "faac") ' oppure anche "voaacenc" flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".aac" src.LinkTo(wav) wav.LinkTo(cnv) cnv.LinkTo(aac) aac.LinkTo(flt) flt.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file wav: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato WAV al formato OPUS-Ogg
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, wav, cnv, res, opu, mux, snk As MediaControl fileaudio = "/percorso/del/file.wav" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio wav = New MediaControl(pl, "wavparse") cnv = New MediaControl(pl, "audioconvert") res = New MediaControl(pl, "audioresample") opu = New MediaControl(pl, "opusenc") opu["bitrate"] = 64000 mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".opus" src.LinkTo(wav) wav.LinkTo(cnv) cnv.LinkTo(res) res.LinkTo(opu) opu.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file wav: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato MP3 al formato OGG
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, map, mad, vor, mux, snk As MediaControl fileaudio = "/percorso/del/file.mp3" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio map = New MediaControl(pl, "mpegaudioparse") mad = New MediaControl(pl, "mpg123audiodec") vor = New MediaControl(pl, "vorbisenc") mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" src.LinkTo(map) map.LinkTo(mad) mad.LinkTo(vor) vor.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file mp3: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato MP3 al formato WAV
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, map, mad, wav, snk As MediaControl fileaudio = "/percorso/del/file.mp3" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio map = New MediaControl(pl, "mpegaudioparse") mad = New MediaControl(pl, "mpg123audiodec") wav = New MediaControl(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(map) map.LinkTo(mad) mad.LinkTo(wav) wav.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file mp3: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato MP3 al formato AAC
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, map, mad, aac, snk As MediaControl Dim flt As MediaFilter fileaudio = "/percorso/del/file.mp3" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio map = New MediaControl(pl, "mpegaudioparse") mad = New MediaControl(pl, "mpg123audiodec") aac = New MediaControl(pl, "faac") ' oppure anche "voaacenc" flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".aac" src.LinkTo(map) map.LinkTo(mad) mad.LinkTo(aac) aac.LinkTo(flt) flt.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file wav: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato MP3 al formato RAW
Con il seguente codice si otterranno da un file MP3 i dati audio grezzi nel formato: frequenza di campionamento = 44100, risoluzione = 16 bit, canali = 2.
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, par, dcd, snk As MediaControl Dim flt As MediaFilter fileaudio = "/percorso/del/file.mp3" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio par = New MediaControl(pl, "mpegaudioparse") dcd = New MediaControl(pl, "mpg123audiodec") flt = New MediaFilter(pl, "audio/x-raw, format=S16LE, rate=44100, channels=2, endianness=1234, width=16, depth=16") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".raw" src.LinkTo(par) par.LinkTo(dcd) dcd.LinkTo(flt) flt.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file mp3: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato OGG-Vorbis al formato MP3
Private Const QUALITY As String = "quality" Private Const BITRATE As String = "bitrate" Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, ogg, vor, cnv, lam, snk As MediaControl fileaudio = "/percorso/del/file.ogg" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio ogg = New MediaControl(pl, "oggdemux") vor = New MediaControl(pl, "vorbisdec") cnv = New MediaControl(pl, "audioconvert") lam = New MediaControl(pl, "lamemp3enc") lam["target"] = BITRATE ' Imposta il Bitrate. lam["cbr"] = True ' Imposta il Bitrate "Costante". lam["bitrate"] = 192 ' Imposta il valore del Bitrate "Costante". snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" src.LinkTo(ogg) ogg.LinkLaterTo(vor) vor.LinkTo(cnv) cnv.LinkTo(lam) lam.LinkTo(snk) pl.Play() Print "Durata del file ogg: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato OGG-Vorbis al formato AAC
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, ogg, vor, con, aac, snk As MediaControl Dim flt As MediaFilter fileaudio = "/percorso/del/file.ogg" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio ogg = New MediaControl(pl, "oggdemux") vor = New MediaControl(pl, "vorbisdec") con = New MediaControl(pl, "audioconvert") aac = New MediaControl(pl, "faac") ' oppure anche "voaacenc" flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".acc" src.LinkTo(ogg) ogg.LinkLaterTo(vor) vor.LinkTo(con) con.LinkTo(aac) aac.LinkTo(flt) flt.LinkTo(snk) pl.Play() Print "Durata del file ogg: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato RAW al formato WAV
Il seguente codice prevede che i dati del file audio RAW abbiano le seguenti caratteristiche: frequenza di campionamento = 44100; numero di canali = 2; modalità interleaved e formato-pcm = S16LE.
Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, raw, wav, snk As MediaControl fileaudio = "/percorso/del/file/raw" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio raw = New MediaControl(pl, "rawaudioparse") raw["interleaved"] = True raw["num-channels"] = 2 raw["pcm-format"] = GST_AUDIO_FORMAT_S16LE raw["sample-rate"] = 44100 wav = New MediaControl(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(raw) raw.LinkTo(wav) wav.LinkTo(snk) pl.Play() Print "Durata del file raw: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato RAW al formato MP3
Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 Private Const QUALITY As String = "quality" Private Const BITRATE As String = "bitrate" Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, raw, lam, snk As MediaControl fileaudio = "/percorso/del/file/raw" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio raw = New MediaControl(pl, "rawaudioparse") raw["interleaved"] = True raw["num-channels"] = 2 raw["pcm-format"] = GST_AUDIO_FORMAT_S16LE raw["sample-rate"] = 44100 lam = New MediaControl(pl, "lamemp3enc") lam["target"] = BITRATE ' Imposta il Bitrate lam["cbr"] = True ' Imposta il Bitrate "Costante" lam["bitrate"] = 192 ' Imposta il valore del Bitrate "Costante" snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" src.LinkTo(raw) raw.LinkTo(lam) lam.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file raw: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato RAW al formato OGG-Vorbis
Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, raw, cnv, vor, mux, snk As MediaControl fileaudio = "/percorso/del/file/raw" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio raw = New MediaControl(pl, "rawaudioparse") raw["interleaved"] = True raw["num-channels"] = 2 raw["pcm-format"] = GST_AUDIO_FORMAT_S16LE raw["sample-rate"] = 44100 cnv = New MediaControl(pl, "audioconvert") vor = New MediaControl(pl, "vorbisenc") mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" src.LinkTo(raw) raw.LinkTo(cnv) cnv.LinkTo(vor) vor.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file raw: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato RAW al formato AAC
Private Const GST_AUDIO_FORMAT_S16LE As Integer = 4 Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, raw, aac, snk As MediaControl Dim flt As MediaFilter fileaudio = "/percorso/del/file/raw" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio raw = New MediaControl(pl, "rawaudioparse") raw["interleaved"] = True raw["num-channels"] = 2 raw["pcm-format"] = GST_AUDIO_FORMAT_S16LE raw["sample-rate"] = 44100 aac = New MediaControl(pl, "faac") ' oppure anche "voaacenc" flt = New MediaFilter(pl, "audio/mpeg,stream-format=adts,channels=2,rate=44100") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".aac" src.LinkTo(raw) raw.LinkTo(aac) aac.LinkTo(flt) flt.LinkTo(snk) pl.Play() Print "Durata del file raw: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato FLAC al formato WAV
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, flp, fld, wav, snk As MediaControl fileaudio = "/percorso/del/file/flac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio flp = New MediaControl(pl, "flacparse") fld = New MediaControl(pl, "flacdec") wav = New MediaControl(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(flp) flp.LinkTo(fld) fld.LinkTo(wav) wav.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file Flac: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato FLAC al formato MP3
Private Const QUALITY As String = "quality" Private Const BITRATE As String = "bitrate" Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, flp, fld, lam, snk As MediaControl fileaudio = "/percorso/del/file/flac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio flp = New MediaControl(pl, "flacparse") fld = New MediaControl(pl, "flacdec") lam = New MediaControl(pl, "lamemp3enc") lam["target"] = BITRATE lam["cbr"] = True lam["bitrate"] = 192 snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" src.LinkTo(flp) flp.LinkTo(fld) fld.LinkTo(lam) lam.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file Flac: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato FLAC al formato OGG-Vorbis
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, flp, fld, cnv, vor, mux, snk As MediaControl fileaudio = "/percorso/del/file/flac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio flp = New MediaControl(pl, "flacparse") fld = New MediaControl(pl, "flacdec") cnv = New MediaControl(pl, "audioconvert") vor = New MediaControl(pl, "vorbisenc") mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" src.LinkTo(flp) flp.LinkTo(fld) fld.LinkTo(cnv) cnv.LinkTo(vor) vor.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file flac: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AAC al formato WAV
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aac, wav, snk As MediaControl fileaudio = "/percorso/del/file/aac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aac = New MediaControl(pl, "faad") ' oppure anche "voaacenc" wav = New MediaControl(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(aac) aac.LinkTo(wav) wav.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file aac: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AAC al formato MP3
Private Const QUALITY As String = "quality" Private Const BITRATE As String = "bitrate" Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aac, lam, snk As MediaControl fileaudio = "/percorso/del/file/aac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aac = New MediaControl(pl, "faad") ' oppure anche "voaacenc" lam = New MediaControl(pl, "lamemp3enc") lam["target"] = BITRATE lam["cbr"] = True lam["bitrate"] = 192 snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" src.LinkTo(aac) aac.LinkTo(lam) lam.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file Acc: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AAC al formato OGG-Vorbis
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aac, cnv, vor, mux, snk As MediaControl fileaudio = "/percorso/del/file/aac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aac = New MediaControl(pl, "faad") ' oppure anche "voaacenc" cnv = New MediaControl(pl, "audioconvert") vor = New MediaControl(pl, "vorbisenc") mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" src.LinkTo(aac) aac.LinkTo(cnv) cnv.LinkTo(vor) vor.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file aac: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AAC al formato RAW
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aac, snk As MediaControl Dim flt As MediaFilter fileaudio = "/percorso/del/file/aac" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aac = New MediaControl(pl, "faad") ' oppure anche "voaacenc" flt = New MediaFilter(pl, "audio/x-raw, format=S16LE, rate=44100, channels=2, endianness=1234, width=16, depth=16") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".raw" src.LinkTo(aac) aac.LinkTo(flt) flt.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file aac: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AIFF al formato WAV
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aif, cnv, wav, snk As MediaControl fileaudio = "/percorso/del/file/aiff" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aif = New MediaControl(pl, "aiffparse") cnv = New MediaControl(pl, "audioconvert") wav = New MediaControl(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(aif) aif.LinkTo(cnv) cnv.LinkTo(wav) wav.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file aiff: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AIFF al formato MP3
Private Const QUALITY As String = "quality" Private Const BITRATE As String = "bitrate" Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aif, cnv, lam, snk As MediaControl fileaudio = "/percorso/del/file/aiff" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aac = New MediaControl(pl, "aiffparse") cnv = New MediaControl(pl, "audioconvert") lam = New MediaControl(pl, "lamemp3enc") lam["target"] = BITRATE lam["cbr"] = True lam["bitrate"] = 192 snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".mp3" src.LinkTo(aif) aif.LinkTo(cnv) cnv.LinkTo(lam) lam.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file aiff: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio dal formato AIFF al formato OGG-Vorbis
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, aif, cnv, vor, mux, snk As MediaControl fileaudio = "/percorso/del/file/aiff" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio aac = New MediaControl(pl, "aiffparse") cnv = New MediaControl(pl, "audioconvert") vor = New MediaControl(pl, "vorbisenc") mux = New MediaControl(pl, "oggmux") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".ogg" src.LinkTo(aif) aif.LinkTo(cnv) cnv.LinkTo(vor) vor.LinkTo(mux) mux.LinkTo(snk) pl.Play() While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file aiff: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Conversione audio con il plugin "decodebin"
Usando il plugin "decodebin" è possibile convertire qualsiasi formato audio in un altro desiderato.
Mostriamo un esempio, nel quale sarà convertito un file audio "OGG" in un file audio "WAV", avente il seguente formato: frequenza di campionamento = 44100, risoluzione = 16 bit, canali = 2.
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, dcb, con, flt, wav, snk As MediaControl fileaudio = "/percorso/del/file.ogg" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio dcb = New MediaControl(pl, "decodebin") con = New MediaControl(pl, "audioconvert") flt = New MediaFilter(pl, "audio/x-raw, format=S16LE, rate=44100, channels=2, depth=16") wav = New MediaControl(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(dcb) dcb.LinkLaterTo(con) con.LinkTo(flt) flt.LinkTo(wav) wav.LinkTo(snk) pl.Play() Print "Durata del file ogg: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End
Se si vuole convertire in un file avente caratteristiche (frequenza di campionamento, numero dei canali, risoluzione in bit) dei propri campioni audio diverse da quelle del file originario, da convertire, allora si dovranno usare l'elemento "audioresample" e la Classe MediaFilter.
Mostriamo un esempio pratico, nel quale si convertirà un file MP3 in un file WAV avente frequenza di campionamento uguale a 22050 hertz e risoluzione a 8 bit:
Private bo As Boolean Public Sub Main() Dim fileaudio As String Dim pl As MediaPipeline Dim src, dcb, con, res, flt, wav, snk As MediaControl fileaudio = "/percorso/del/file.mp3" pl = New MediaPipeline As "PLine" src = New MediaControl(pl, "filesrc") src["location"] = fileaudio dcb = New MediaControl(pl, "decodebin") con = New MediaControl(pl, "audioconvert") res = New MediaControl(pl, "audioresample") ' Consente di modificare le caratteristiche del file audio flt = New MediaFilter(pl, "audio/x-raw,rate=22050,format=U8") wav = New MediaFilter(pl, "wavenc") snk = New MediaControl(pl, "filesink") snk["location"] = "/tmp" &/ File.BaseName(fileaudio) & ".wav" src.LinkTo(dcb) dcb.LinkLaterTo(con) con.LinkTo(res) res.LinkTo(flt) flt.LinkTo(wav) wav.LinkTo(snk) pl.play While pl.Duration < 1 Wait 0.01 Wend Print "Durata del file mp3: "; 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 pl.Stop pl.Close Print "\n\e[0mConversione terminata !" End Public Sub PLine_End() ' Questo Evento viene sollevato, quando la conversione è terminata bo = True End