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free ffmpeg process

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This commit is contained in:
Master Kwoth 2016-02-28 18:59:50 +01:00
parent 6e23aa2d67
commit 57e6cd2e49
1 changed files with 31 additions and 21 deletions
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52
NadekoBot/Classes/Music/Song.cs
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@ -135,28 +135,37 @@ namespace NadekoBot.Classes.Music {
private Task BufferSong(CancellationToken cancelToken) =>
Task.Run(async () => {
var p = Process.Start(new ProcessStartInfo {
FileName = "ffmpeg",
Arguments = $"-i {SongInfo.Uri} -f s16le -ar 48000 -ac 2 pipe:1 -loglevel quiet",
UseShellExecute = false,
RedirectStandardOutput = true,
});
int blockSize = 3840;
byte[] buffer = new byte[blockSize];
int attempt = 0;
while (!cancelToken.IsCancellationRequested) {
int read = await p.StandardOutput.BaseStream.ReadAsync(buffer, 0, blockSize);
if (read == 0)
if (attempt++ == 20)
break;
Process p = null;
try {
p = Process.Start(new ProcessStartInfo {
FileName = "ffmpeg",
Arguments = $"-i {SongInfo.Uri} -f s16le -ar 48000 -ac 2 pipe:1 -loglevel quiet",
UseShellExecute = false,
RedirectStandardOutput = true,
});
int blockSize = 3840;
byte[] buffer = new byte[blockSize];
int attempt = 0;
while (!cancelToken.IsCancellationRequested) {
int read = await p.StandardOutput.BaseStream.ReadAsync(buffer, 0, blockSize);
if (read == 0)
if (attempt++ == 20)
break;
else
await Task.Delay(50);
else
await Task.Delay(50);
else
attempt = 0;
await songBuffer.WriteAsync(buffer, read, cancelToken);
if (songBuffer.ContentLength > 2.MB())
prebufferingComplete = true;
attempt = 0;
await songBuffer.WriteAsync(buffer, read, cancelToken);
if (songBuffer.ContentLength > 2.MB())
prebufferingComplete = true;
}
}
finally {
if (p != null) {
p.CancelOutputRead();
p.Close();
p.Dispose();
}
}
Console.WriteLine($"Buffering done. [{songBuffer.ContentLength}]");
});
@ -169,6 +178,7 @@ namespace NadekoBot.Classes.Music {
while (!prebufferingComplete && bufferAttempts++ < toAttemptTimes) {
await Task.Delay(waitPerAttempt);
}
Console.WriteLine($"Prebuffering done? in {waitPerAttempt*bufferAttempts}");
int blockSize = 3840;
byte[] buffer = new byte[blockSize];
int attempt = 0;