public bool MediaConvertPCM_S16E(string input, string output, int sampleRate)
{
try
{
if (!FFmpegService.FFmpegExists)
{
throw new FFmpegNotFoundException();
}
FFmpegArgsBuilder fFmpegArgsBuilder = new FFmpegArgsBuilder();
fFmpegArgsBuilder.GlobalOptionArgs
.OverwriteOutput()
.SetThreadQueueSize(512);
fFmpegArgsBuilder.SetInputFile(input);
fFmpegArgsBuilder.SetOutputFile(output)
//.SetAudioFormat(AudioFormat.s16le)
.SetAudioCodec(FFmpegAudioCodec.pcm_s16le)
.SetAudioFrequency(sampleRate)
.SetAudioChannels(2)
;
FFmpegService.StartFFmpeg(fFmpegArgsBuilder.Args);
return(true);
}
catch
{
return(false);
}
}
public bool MediaCut(string input, string output, TimeSpan start, TimeSpan?end = null)
{
try
{
if (!FFmpegService.FFmpegExists)
{
throw new FFmpegNotFoundException();
}
FFmpegArgsBuilder fFmpegArgsBuilder = new FFmpegArgsBuilder();
fFmpegArgsBuilder.GlobalOptionArgs
.OverwriteOutput()
.SetThreadQueueSize(512);
var inputOptionArgs = fFmpegArgsBuilder.SetInputFile(input)
.SetSeek(start);
var outputOptionArgs = fFmpegArgsBuilder.SetOutputFile(input)
;
if (end != null)
{
outputOptionArgs
.SetSeekEnd(end.Value)
.SetAudioCodec(Codecs.FFmpegAudioCodec.copy)
.SetVideoCodec(Codecs.FFmpegVideoCodec.copy);
}
FFmpegService.StartFFmpeg(fFmpegArgsBuilder.Args);
return(true);
}
catch
{
return(false);
}
}
public bool Open(string filePath)
{
try
{
FFmpegArgsBuilder fFmpegArgsBuilder = new FFmpegArgsBuilder();
fFmpegArgsBuilder.GlobalOptionArgs
.OverwriteOutput()
.SetThreadQueueSize(512);
fFmpegArgsBuilder.SetInputPipe(videoPipeName)
.SetFramerate(this.VideoWriterArgs.FrameRate)
.SetVideoFormat(FFmpegVideoFormat.rawvideo)
.SetPixFormat(FFmpegPixFormat.rgb32)
.SetVideoSize(this.VideoWriterArgs.Width, this.VideoWriterArgs.Height)
;
var outputOptionArgs = fFmpegArgsBuilder.SetOutputFile(filePath)
.SetFramerate(this.VideoWriterArgs.FrameRate)
.SetFileLength(CommonWriterArgs.FileLength ?? 0, () => CommonWriterArgs.FileLength != null)
.SetVideoSize((int)(this.VideoWriterArgs.Width * this.VideoWriterArgs.ScaleWidth), (int)(this.VideoWriterArgs.Height * this.VideoWriterArgs.ScaleHeight))
;
((VideoCodecBase)this.VideoWriterArgs.VideoCodec).Apply(this.VideoWriterArgs, outputOptionArgs);
var videoBufferSize = this.VideoWriterArgs.Width * this.VideoWriterArgs.Height * 4;
this.videoPipeWrite = new PipeServerWrite(videoPipeName, videoBufferSize);
if (this.Audioable)
{
fFmpegArgsBuilder.SetInputPipe(audioPipeName)
.SetAudioFormat(FFmpegAudioFormat.s16le)
.SetAudioCodec(FFmpegAudioCodec.pcm_s16le)
.SetAudioFrequency(16000)
.SetAudioChannels(2);
outputOptionArgs
.SetAudioFrequency(this.AudioWriterArgs.AudioFrequency)
.SetAudioChannels(this.AudioWriterArgs.AudioChannels)
;
((AudioCodecBase)this.AudioWriterArgs.AudioCodec).Apply(this.AudioWriterArgs, outputOptionArgs);
var audioBufferSize = (int)((1000.0 / this.VideoWriterArgs.FrameRate) * (44100 / 100.0) * 2 * 2 * 2);
this.audioPipeWrite = new PipeServerWrite(audioPipeName, audioBufferSize);
}
this.ffmpegProcess = FFmpegService.StartFFmpeg(fFmpegArgsBuilder.Args);
return(true);
}
catch (Exception ex)
{
return(false);
}
}
public bool MediaConvertAuto(string input, string output)
{
try
{
if (!FFmpegService.FFmpegExists)
{
throw new FFmpegNotFoundException();
}
FFmpegArgsBuilder fFmpegArgsBuilder = new FFmpegArgsBuilder();
fFmpegArgsBuilder.GlobalOptionArgs
.OverwriteOutput()
.SetThreadQueueSize(512);
fFmpegArgsBuilder.SetInputFile(input);
fFmpegArgsBuilder.SetOutputFile(output);
FFmpegService.StartFFmpeg(fFmpegArgsBuilder.Args);
return(true);
}
catch
{
return(false);
}
}