/// <summary>
/// Creates a new instance of <see cref="FFmpegWriter"/>.
/// </summary>
public FFmpegWriter(FFmpegVideoWriterArgs Args)
{
if (!FFmpegService.FFmpegExists)
{
throw new FFmpegNotFoundException();
}
var nv12 = Args.ImageProvider.DummyFrame is INV12Frame;
var settings = ServiceProvider.Get <FFmpegSettings>();
var w = Args.ImageProvider.Width;
var h = Args.ImageProvider.Height;
_videoBuffer = new byte[(int)(w * h * (nv12 ? 1.5 : 4))];
Console.WriteLine($"Video Buffer Allocated: {_videoBuffer.Length}");
var videoPipeName = GetPipeName();
var argsBuilder = new FFmpegArgsBuilder();
argsBuilder.AddInputPipe(videoPipeName)
.AddArg("thread_queue_size", 512)
.AddArg("framerate", Args.FrameRate)
.SetFormat("rawvideo")
.AddArg("pix_fmt", nv12 ? "nv12" : "rgb32")
.SetVideoSize(w, h);
var output = argsBuilder.AddOutputFile(Args.FileName)
.SetFrameRate(Args.FrameRate);
Args.VideoCodec.Apply(settings, Args, output);
if (settings.Resize)
{
var width = settings.ResizeWidth;
var height = settings.ResizeHeight;
if (width % 2 == 1)
{
++width;
}
if (height % 2 == 1)
{
++height;
}
output.AddArg("vf", $"scale={width}:{height}");
}
if (Args.AudioProvider != null)
{
var audioPipeName = GetPipeName();
argsBuilder.AddInputPipe(audioPipeName)
.AddArg("thread_queue_size", 512)
.SetFormat("s16le")
.SetAudioCodec("pcm_s16le")
.SetAudioFrequency(Args.Frequency)
.SetAudioChannels(Args.Channels);
Args.VideoCodec.AudioArgsProvider(Args.AudioQuality, output);
// UpdatePeriod * Frequency * (Bytes per Second) * Channels * 2
var audioBufferSize = (int)((1000.0 / Args.FrameRate) * 44.1 * 2 * 2 * 2);
_audioPipe = new NamedPipeServerStream(audioPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, audioBufferSize);
}
_ffmpegIn = new NamedPipeServerStream(videoPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, _videoBuffer.Length);
_ffmpegProcess = FFmpegService.StartFFmpeg(argsBuilder.GetArgs(), Args.FileName, out _);
}
/// <summary>
/// Creates a new instance of <see cref="FFmpegWriter"/>.
/// </summary>
public FFmpegWriter(FFmpegVideoWriterArgs Args)
{
var settings = ServiceProvider.Get <FFmpegSettings>();
_videoBuffer = new byte[Args.ImageProvider.Width * Args.ImageProvider.Height * 4];
Console.WriteLine($"Video Buffer Allocated: {_videoBuffer.Length}");
var videoPipeName = GetPipeName();
var argsBuilder = new FFmpegArgsBuilder();
argsBuilder.AddInputPipe(videoPipeName)
.AddArg("-thread_queue_size 512")
.AddArg($"-framerate {Args.FrameRate}")
.SetFormat("rawvideo")
.AddArg("-pix_fmt rgb32")
.SetVideoSize(Args.ImageProvider.Width, Args.ImageProvider.Height);
var output = argsBuilder.AddOutputFile(Args.FileName)
.AddArg(Args.VideoArgsProvider(Args.VideoQuality))
.SetFrameRate(Args.FrameRate);
if (settings.Resize)
{
var width = settings.ResizeWidth;
var height = settings.ResizeHeight;
if (width % 2 == 1)
{
++width;
}
if (height % 2 == 1)
{
++height;
}
output.AddArg($"-vf scale={width}:{height}");
}
if (Args.AudioProvider != null)
{
var audioPipeName = GetPipeName();
argsBuilder.AddInputPipe(audioPipeName)
.AddArg("-thread_queue_size 512")
.SetFormat("s16le")
.SetAudioCodec("pcm_s16le")
.SetAudioFrequency(Args.Frequency)
.SetAudioChannels(Args.Channels);
output.AddArg(Args.AudioArgsProvider(Args.AudioQuality));
// UpdatePeriod * Frequency * (Bytes per Second) * Channels * 2
var audioBufferSize = (int)((1000.0 / Args.FrameRate) * 44.1 * 2 * 2 * 2);
_audioPipe = new NamedPipeServerStream(audioPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, audioBufferSize);
}
_ffmpegIn = new NamedPipeServerStream(videoPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, _videoBuffer.Length);
output.AddArg(Args.OutputArgs);
_ffmpegProcess = FFmpegService.StartFFmpeg(argsBuilder.GetArgs(), Args.FileName);
}
/// <summary>
/// Creates a new instance of <see cref="FFmpegWriter"/>.
/// </summary>
public FFmpegWriter(FFmpegVideoWriterArgs Args)
{
var settings = ServiceProvider.Get <FFmpegSettings>();
VideoInputArgs = Args;
var crf = (51 * (100 - VideoInputArgs.VideoQuality)) / 99;
outputFolderName = Args.FileName.Substring(0, VideoInputArgs.FileName.Length - 4);
additionalVideoInputArgsPre = " -r " + Args.FrameRate + " -start_number 1 -i \"";
additionalVideoInputArgsPost = "_%d.png\" -s " + Args.ImageProvider.Width + "*" + Args.ImageProvider.Height + " -vcodec libx264 -crf " + crf + " -pix_fmt " + settings.X264.PixelFormat + " -preset " + settings.X264.Preset;
if (settings.Resize)
{
additionalVideoInputArgsPost += " -vf scale=" + settings.ResizeWidth + ":" + settings.ResizeHeight;
}
if (File.Exists(capturePropertiesPath))
{
foreach (string row in File.ReadAllLines(capturePropertiesPath))
{
string[] rowValues = row.Split('=');
if (!row.StartsWith("#") && rowValues.Length == 2)
{
if (rowValues[0].Trim() == "PIPE_TIMEOUT_IN_SECONDS")
{
try
{
waitTimeForPipeConnection = int.Parse(rowValues[1].Trim()) * 1000;
if (waitTimeForPipeConnection != 30000)
{
WriteLog("Wait Timeout: " + waitTimeForPipeConnection);
}
}
catch (Exception) { }
}
}
}
}
if (settings.RawBackup)
{
framesToBeWritten = new Queue <byte[]>();
(new Thread(ThreadForAppendFrames)).Start();
}
_videoBuffer = new byte[Args.ImageProvider.Width * Args.ImageProvider.Height * 4];
Console.WriteLine($"Video Buffer Allocated: {_videoBuffer.Length}");
var videoPipeName = GetPipeName();
var argsBuilder = new FFmpegArgsBuilder();
argsBuilder.AddInputPipe(videoPipeName)
.AddArg("-thread_queue_size 512")
.AddArg($"-framerate {Args.FrameRate}")
.SetFormat("rawvideo")
.AddArg("-pix_fmt rgb32")
.SetVideoSize(Args.ImageProvider.Width, Args.ImageProvider.Height);
var output = argsBuilder.AddOutputFile(Args.FileName)
.AddArg(Args.VideoArgsProvider(Args.VideoQuality))
.SetFrameRate(Args.FrameRate);
if (settings.Resize)
{
var width = settings.ResizeWidth;
var height = settings.ResizeHeight;
if (width % 2 == 1)
{
++width;
}
if (height % 2 == 1)
{
++height;
}
output.AddArg($"-vf scale={width}:{height}");
}
if (Args.AudioProvider != null)
{
var audioPipeName = GetPipeName();
argsBuilder.AddInputPipe(audioPipeName)
.AddArg("-thread_queue_size 512")
.SetFormat("s16le")
.SetAudioCodec("pcm_s16le")
.SetAudioFrequency(Args.Frequency)
.SetAudioChannels(Args.Channels);
output.AddArg(Args.AudioArgsProvider(Args.AudioQuality));
// UpdatePeriod * Frequency * (Bytes per Second) * Channels * 2
var audioBufferSize = (int)((1000.0 / Args.FrameRate) * 44.1 * 2 * 2 * 2);
_audioPipe = new NamedPipeServerStream(audioPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, audioBufferSize);
}
_ffmpegIn = new NamedPipeServerStream(videoPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, _videoBuffer.Length);
output.AddArg(Args.OutputArgs);
_ffmpegProcess = FFmpegService.StartFFmpeg(argsBuilder.GetArgs(), Args.FileName);
}
