| public RegisterPlugin ( IAudioProcessor PlugIn ) : void | ||
| PlugIn | IAudioProcessor | |
| return | void | |
private EncoderController PrepareEncoder()
{
var new_encoder = new EncoderController(config);
new_encoder.UseAbsoluteTime = true;
if (usePlugsCheck.Checked) {
// Plug-ins for UK Parliament encoding
if (_toneDetector == null) {
_toneDetector = new ToneDetector(980);
_toneDetector.PowerGate = 15;
_toneDetector.TemporalSmoothing = 350;
}
//new_encoder.RegisterPlugin(_toneDetector);
if (_timeOverlay == null) _timeOverlay = new TimecodeOverlay();
new_encoder.RegisterPlugin(_timeOverlay);
if (_videoOverlay == null) _videoOverlay = new VideoOverlay(_toneDetector);
new_encoder.RegisterPlugin(_videoOverlay);
}
return new_encoder;
}
static void Main()
{
/*Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());*/
byte[] data = File.ReadAllBytes(@"C:\temp\sample.ts");
MemoryStream ms = new MemoryStream(data);
EncoderConfiguration.Configuration config = EncoderConfiguration.Configuration.LoadFromFile(@"C:\temp\dummy_only.xml");
EncoderController encoder = new EncoderController(config);
#region Trick mode: encoder with no capture devices (so we can spoon-feed it content)
encoder.DryRun = true;
encoder.Start();
encoder.PauseCapture();
encoder.ClearBuffers();
encoder.DryRun = false;
encoder.MinimumBufferPopulation = 15; // to allow re-ordering of B-frames
#endregion
plug_in = new TranscodeTimeOverlay();
encoder.RegisterPlugin(plug_in); // show captured time over recorded time.
MpegTS_Demux demux = new MpegTS_Demux();
demux.FeedTransportStream(ms, 0L);
DecoderJob decode = new DecoderJob();
EncoderBridge.InitialiseDecoderJob(ref decode, @"C:\temp\sample.ts");
Console.WriteLine(decode.videoWidth + "x" + decode.videoHeight);
double a_time = -1, v_time = -1;
MediaFrame mf = new MediaFrame();
byte[] IMAGE = new byte[decode.videoWidth * decode.videoHeight * 16];
short[] AUDIO = new short[decode.MinimumAudioBufferSize * 2];
List<GenericMediaFrame> AudioFrames = demux.GetAvailableAudio();
List<GenericMediaFrame> VideoFrames = demux.GetAvailableVideo();
VideoFrames.Sort((a, b) => a.FramePresentationTime.CompareTo(b.FramePresentationTime));
AudioFrames.Sort((a, b) => a.FramePresentationTime.CompareTo(b.FramePresentationTime));
double dv_time = p2d((long)VideoFrames.Average(a => a.FrameDuration));
double da_time = p2d((long)AudioFrames.Average(a => a.FrameDuration));
GCHandle pinX = GCHandle.Alloc(IMAGE, GCHandleType.Pinned);
mf.Yplane = pinX.AddrOfPinnedObject();
GCHandle pinY = GCHandle.Alloc(AUDIO, GCHandleType.Pinned);
mf.AudioBuffer = pinY.AddrOfPinnedObject();
int i = 0, j=0;
while (EncoderBridge.DecodeFrame(ref decode, ref mf) >= 0) {
if (mf.VideoSize > 0) {
Bitmap img = new Bitmap(decode.videoWidth, decode.videoHeight, decode.videoWidth * 3, System.Drawing.Imaging.PixelFormat.Format24bppRgb, mf.Yplane);
img.RotateFlip(RotateFlipType.RotateNoneFlipY); // because decode put things the TL->BR, where video capture is BL->TR.
if (v_time < 0) v_time = p2d(VideoFrames[i].FramePresentationTime);
else v_time += dv_time; // p2d(VideoFrames[i].FrameDuration); // using dv_time smooths things
encoder.ForceInsertFrame(img, v_time);
Console.Write("v");
i++;
}
if (mf.AudioSize > 0) {
if (mf.AudioSize > 441000) {
Console.Write("@"); // protect ourselves from over-size packets!
} else {
short[] samples = new short[mf.AudioSize];
Marshal.Copy(mf.AudioBuffer, samples, 0, samples.Length);
if (a_time < 0) a_time = p2d(AudioFrames[j].FramePresentationTime);
else a_time += p2d(AudioFrames[j].FrameDuration);
encoder.ForceInsertFrame(new TimedSample(samples, a_time));
Console.Write("a");
}
j++;
}
Application.DoEvents();
mf.VideoSize = 0;
mf.AudioSize = 0;
}
pinX.Free();
pinY.Free();
encoder.MinimumBufferPopulation = 1; // let the buffers empty out
Console.WriteLine("\r\nEND\r\n");
Thread.Sleep(2000);
encoder.Stop();
EncoderBridge.CloseDecoderJob(ref decode);
}
