public IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
_codec.Quality = Args.VideoQuality;
return(new AviWriter(Args.FileName, _codec, Args.ImageProvider, Args.FrameRate, Args.AudioProvider));
}
public abstract void Apply(FFmpegSettings Settings, VideoWriterArgs WriterArgs, FFmpegOutputArgs OutputArgs);
public IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
return(new FFmpegGifWriter(Args));
}
public IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
Args.FrameRate = 1;
return(_writerItem.GetVideoFileWriter(Args));
}
public MfWriter(VideoWriterArgs Args, Device Device)
{
var inputFormat = Args.ImageProvider.DummyFrame is Texture2DFrame
? VideoFormatGuids.NV12
: VideoFormatGuids.Rgb32;
_device = Device;
_frameDuration = TenPower7 / Args.FrameRate;
var attr = GetSinkWriterAttributes(Device);
_writer = MediaFactory.CreateSinkWriterFromURL(Args.FileName, null, attr);
var w = Args.ImageProvider.Width;
var h = Args.ImageProvider.Height;
_bufferSize = w * h * 4;
using (var mediaTypeOut = new MediaType())
{
mediaTypeOut.Set(MediaTypeAttributeKeys.MajorType, MediaTypeGuids.Video);
mediaTypeOut.Set(MediaTypeAttributeKeys.Subtype, _encodingFormat);
mediaTypeOut.Set(MediaTypeAttributeKeys.AvgBitrate, BitRate);
mediaTypeOut.Set(MediaTypeAttributeKeys.InterlaceMode, (int)VideoInterlaceMode.Progressive);
mediaTypeOut.Set(MediaTypeAttributeKeys.FrameSize, PackLong(w, h));
mediaTypeOut.Set(MediaTypeAttributeKeys.FrameRate, PackLong(Args.FrameRate, 1));
mediaTypeOut.Set(MediaTypeAttributeKeys.PixelAspectRatio, PackLong(1, 1));
_writer.AddStream(mediaTypeOut, out _);
}
using (var mediaTypeIn = new MediaType())
{
mediaTypeIn.Set(MediaTypeAttributeKeys.MajorType, MediaTypeGuids.Video);
mediaTypeIn.Set(MediaTypeAttributeKeys.Subtype, inputFormat);
mediaTypeIn.Set(MediaTypeAttributeKeys.InterlaceMode, (int)VideoInterlaceMode.Progressive);
mediaTypeIn.Set(MediaTypeAttributeKeys.FrameSize, PackLong(w, h));
mediaTypeIn.Set(MediaTypeAttributeKeys.FrameRate, PackLong(Args.FrameRate, 1));
mediaTypeIn.Set(MediaTypeAttributeKeys.PixelAspectRatio, PackLong(1, 1));
mediaTypeIn.Set(MediaTypeAttributeKeys.AllSamplesIndependent, 1);
var encoderParams = new MediaAttributes(2);
encoderParams.Set(RateControlModeKey, RateControlMode.Quality);
encoderParams.Set(QualityKey, Args.VideoQuality);
_writer.SetInputMediaType(VideoStreamIndex, mediaTypeIn, encoderParams);
}
if (Args.AudioProvider != null)
{
var wf = Args.AudioProvider.WaveFormat;
_audioInBytesPerSecond = wf.SampleRate * wf.Channels * wf.BitsPerSample / 8;
using (var audioTypeOut = GetMediaType(wf))
{
audioTypeOut.Set(MediaTypeAttributeKeys.Subtype, _encodedAudioFormat);
audioTypeOut.Set(MediaTypeAttributeKeys.AudioAvgBytesPerSecond, GetAacBitrate(Args.AudioQuality));
_writer.AddStream(audioTypeOut, out _);
}
using var audioTypeIn = GetMediaType(wf);
audioTypeIn.Set(MediaTypeAttributeKeys.Subtype, AudioFormatGuids.Pcm);
_writer.SetInputMediaType(AudioStreamIndex, audioTypeIn, null);
}
_writer.BeginWriting();
_copyTexture = new Texture2D(Device, new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = w,
Height = h,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
});
_sample = MediaFactory.CreateVideoSampleFromSurface(null);
// Create the media buffer from the texture
MediaFactory.CreateDXGISurfaceBuffer(typeof(Texture2D).GUID, _copyTexture, 0, false, out _mediaBuffer);
using (var buffer2D = _mediaBuffer.QueryInterface <Buffer2D>())
_mediaBuffer.CurrentLength = buffer2D.ContiguousLength;
// Attach the created buffer to the sample
_sample.AddBuffer(_mediaBuffer);
}
public virtual IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
return(new FFmpegWriter(FFmpegVideoWriterArgs.FromVideoWriterArgs(Args, this)));
}
public override void Apply(FFmpegSettings Settings, VideoWriterArgs WriterArgs, FFmpegOutputArgs OutputArgs)
{
OutputArgs.AddArg("c:v", _fFmpegCodecName)
.AddArg("pixel_format", "yuv444p")
.AddArg("preset", "fast");
}
public FFmpegRollingWriter(VideoWriterArgs VideoWriterArgs, int Duration)
{
_videoWriterArgs = VideoWriterArgs;
_duration = Duration;
_frameCount = _videoWriterArgs.FrameRate * Duration;
}
public IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
_previewWindow.Show();
return(new DiscardWriter());
}
public IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
return(new DiscardWriter());
}
public IVideoFileWriter GetVideoFileWriter(VideoWriterArgs Args)
{
return(new ImageFolderWriter(Args.FileName));
}
