public static extern void CloseDecoderJob(ref DecoderJob jobSpec);
public static extern int InitialiseDecoderJob(ref DecoderJob jobSpec, string Filepath);
public static extern int DecodeFrame(ref DecoderJob jobSpec, ref MediaFrame frame);
public static extern void CloseDecoderJob(ref DecoderJob jobSpec);
public static extern int InitialiseDecoderJob(ref DecoderJob jobSpec, string Filepath);
public static extern int DecodeFrame(ref DecoderJob jobSpec, ref MediaFrame frame);
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);
}
private void DoTranscode()
{
// Start decode job (gets some basic information)
DecoderJob decode = new DecoderJob();
EncoderBridge.InitialiseDecoderJob(ref decode, SourceFile);
if (decode.IsValid == 0) {
MessageBox.Show("Sorry, the source file doesn't appear to be valid");
return;
}
// Load config, then tweak to match input
EncoderConfiguration.Configuration config = EncoderConfiguration.Configuration.LoadFromFile(DestFile);
config.Audio.Channels = decode.AudioChannels;
if (config.Audio.Channels > 0) {
config.Audio.CaptureDeviceNumber = -2; // dummy
} else {
config.Audio.CaptureDeviceNumber = -1; // no audio
}
if (decode.videoWidth * decode.videoHeight > 0) {
config.Video.CaptureDeviceNumber = -2; // dummy device
config.Video.InputFrameRate = (int)decode.Framerate;
if (config.Video.InputFrameRate < 1) {
config.Video.InputFrameRate = 25; // don't know frame rate, so adapt.
}
config.EncoderSettings.OutputHeight = decode.videoHeight;
config.EncoderSettings.OutputWidth = decode.videoWidth;
} else {
config.Video.CaptureDeviceNumber = -1; // no video
}
#region Start up encoder in a trick mode
EncoderController encoder = new EncoderController(config);
encoder.DryRun = true;
encoder.Start();
encoder.PauseCapture();
encoder.ClearBuffers();
encoder.DryRun = false;
encoder.MinimumBufferPopulation = 5; // to allow re-ordering of weird frame timings
#endregion
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];
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.
v_time = mf.VideoSampleTime;
//v_time += 1.0 / config.Video.InputFrameRate;
try { encoder.ForceInsertFrame(img, v_time); } catch { }
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);
a_time = mf.AudioSampleTime;
encoder.ForceInsertFrame(new TimedSample(samples, a_time));
Console.Write("a");
}
j++;
}
//while (encoder.AudioQueueLength > 50 || encoder.VideoQueueLength > 50) {
if (!encoder.EncoderRunning) throw new Exception("Encoder broken!");
Thread.Sleep((int)(250 / config.Video.InputFrameRate));
//}
this.Text = "V (" + i + "/" + v_time + ") | A (" + j + "/" + a_time + ")";
Application.DoEvents();
if (!running) break;
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(5000);
encoder.Stop();
EncoderBridge.CloseDecoderJob(ref decode);
}
