public GifEncoder(int frameRate, String destinationFilePath, int quality, int totalFrameCount, int width, int height, bool threaded)
{
imageQueue = new Queue <Bitmap>();
lastFrame = false;
finished = false;
encodedFrameCount = 0;
this.frameRate = frameRate;
this.destinationFilePath = destinationFilePath;
this.totalFrameCount = totalFrameCount;
encoder = new Accord.Video.FFMPEG.VideoFileWriter();
encoder.FrameRate = frameRate;
encoder.Width = width;
encoder.Height = height;
encoder.VideoCodec = VideoCodec.Gif;
encoder.PixelFormat = AVPixelFormat.FormatRgb8bpp;
encoder.Open(destinationFilePath);
if (threaded)
{
writingThread = new Thread(encode);
writingThread.Start();
}
}
public void Start()
{
_Writer.Width = _CaptureRegion.Width;
_Writer.Height = _CaptureRegion.Height;
_Writer.FrameRate = _FrameRate;
_Writer.BitRate = _BitRate;
_Writer.VideoCodec = VideoCodec.Default;
_Writer.Open(_FilePath + _FileName);
if (_RecordingScreen)
{
_ScreenSource.FrameInterval = 20;
_ScreenSource.NewFrame += Screen_NewFrame;
_ScreenSource.Start();
}
if (_RecordingMicrophone)
{
_AudioSource = new AudioCaptureDevice(_CurrenrAudioDevice);
_AudioSource.NewFrame += new EventHandler <Accord.Audio.NewFrameEventArgs>(Microphone_NewFrame);
_AudioSource.Start();
}
if (_RecordingAudio)
{
Trace.WriteLine("start recoder Speaker");
_SpeakerSource = new AudioCaptureDevice(_CurrenrSpeakerDevice);
_SpeakerSource.NewFrame += new EventHandler <Accord.Audio.NewFrameEventArgs>(Speaker_NewFrame);
_SpeakerSource.Start();
}
}
private static void reencode(FileInfo fileInput, FileInfo fileOutput, VideoCodec outputCodec,
AVPixelFormat format = AVPixelFormat.FormatYuv420P, double expectedFrameRate = 2997 / 100.0)
{
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileInput.FullName);
using (var videoFileWriter = new Accord.Video.FFMPEG.VideoFileWriter())
{
Assert.AreEqual(2997, videoFileReader.FrameRate.Numerator);
Assert.AreEqual(100, videoFileReader.FrameRate.Denominator);
videoFileWriter.Width = videoFileReader.Width;
videoFileWriter.Height = videoFileReader.Height;
videoFileWriter.FrameRate = videoFileReader.FrameRate;
videoFileWriter.VideoCodec = outputCodec;
Assert.AreEqual(AVPixelFormat.FormatYuv420P, videoFileWriter.PixelFormat);
videoFileWriter.PixelFormat = format;
videoFileWriter.Open(fileOutput.FullName);
do
{
using (var bitmap = videoFileReader.ReadVideoFrame())
{
if (bitmap == null)
{
break;
}
videoFileWriter.WriteVideoFrame(bitmap);
}
}while (true);
videoFileWriter.Close();
}
videoFileReader.Close();
}
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileOutput.FullName);
Assert.AreEqual(expectedFrameRate, videoFileReader.FrameRate.Value, 0.01);
}
}
private static void reencode(FileInfo fileInput, FileInfo fileOutput, VideoCodec outputCodec)
{
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileInput.FullName);
using (var videoFileWriter = new Accord.Video.FFMPEG.VideoFileWriter())
{
Assert.AreEqual(2997, videoFileReader.FrameRate.Numerator);
Assert.AreEqual(100, videoFileReader.FrameRate.Denominator);
videoFileWriter.Open
(
fileOutput.FullName,
videoFileReader.Width,
videoFileReader.Height,
videoFileReader.FrameRate,
outputCodec
);
do
{
using (var bitmap = videoFileReader.ReadVideoFrame())
{
if (bitmap == null)
{
break;
}
videoFileWriter.WriteVideoFrame(bitmap);
}
}while (true);
videoFileWriter.Close();
}
videoFileReader.Close();
}
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileOutput.FullName);
Assert.AreEqual(2997 / 100.0, videoFileReader.FrameRate.Value, 0.01);
}
}
public void Run_Btn_Click(object sender, EventArgs e)
{
isNeedAudio = isNeedAudio_Checkbox.Checked;
switch (run_btn.Text)
{
case "開始錄影 (F2)":
write_finish = false;
renew_path();
isRecording = true;
run_btn.Text = "停止錄影 (F2)";
f2.can_drag = false;
videoOption.V_l = f2.Left;
videoOption.V_t = f2.Top;
videoOption.V_w = f2.Width;
videoOption.V_h = f2.Height;
int width = videoOption.V_w;
int height = videoOption.V_h;
//from https://en.code-bude.net/2013/04/17/how-to-create-video-files-in-c-from-single-images/
/*my.file_put_contents(video_path, "");*/
//writer.Open("C:\\temp\\a.avi", V_w, V_h);
show_hide_f2(false);
writer = new VideoFileWriter();
int w = Convert.ToInt32(Math.Ceiling(videoOption.V_w / 10.0)) * 10;
int h = Convert.ToInt32(Math.Ceiling(videoOption.V_h / 10.0)) * 10;
int videoBitRate = w * h * 3 * 30;
//int videoBitRate = 1200 * 1000;
//int audioBitRate = 320 * 1000;
if (isNeedAudio)
{
//audio = new AudioCaptureDevice();
//audio.Format = Accord.Audio.SampleFormat.Format16Bit;
//audio.SampleRate = 22050;// Accord.DirectSound.Accord.Audio.Tools.Default.SampleRate;
//audio.DesiredFrameSize = 4096;
//audio.NewFrame += audioDevice_NewFrame;
//audio.DesiredFrameSize = 4096;
//mciSendString("open new Type waveaudio alias recsound", null, 0, IntPtr.Zero);
//mciSendString("set capture time format ms bitspersample 16 channels 2 samplespersec 48000 bytespersec 192000 alignment 4", null, 0, IntPtr.Zero);
//mciSendString("record recsound", null, 0, IntPtr.Zero);
//alert("gg");
//writer.Open(video_path, w, h, 30, VideoCodec.H264, videoBitRate, AudioCodec.MP3, audioBitRate, 44100,1);
//writer.Open(video_path, w, h, 30, VideoCodec.H264, videoBitRate);
//audio = new WasapiLoopbackCapture();
//audio.Initialize();
//audio_w = new WaveWriter(audio_path, audio.WaveFormat);
//setup an eventhandler to receive the recorded data
//audio.DataAvailable += (s, ee) =>
// {
//save the recorded audio
// audio_w.Write(ee.Data, ee.Offset, ee.ByteCount);
// };
//start recording
//audio.Start();
//Console.ReadKey();
system_audio = new WasapiLoopbackCapture();
//system_audio = new WasapiLoopbackCapture();
//wtf.DataAvailable
//waveSource.WaveFormat = new WaveFormat(44100, 2);
system_audio.DataAvailable += new EventHandler <WaveInEventArgs>(waveSource_DataAvailable);
//system_audio.DataAvailable += (s, ee) =>
// {
//save the recorded audio
// waveSource_DataAvailable(s, ee);
//audio_w.Write(ee.Data, ee.Offset, ee.ByteCount);
// };
system_audio.RecordingStopped += new EventHandler <StoppedEventArgs>(waveSource_RecordingStopped);
waveFile = new WaveFileWriter(audio_path, system_audio.WaveFormat);
system_audio.StartRecording();
// system_audio.StartRecording();
}
writer.Open(video_path, w, h, 30, VideoCodec.H264, videoBitRate);
//
//msc = new Thread(thread_msc);
// msc.Start();
timer1.Enabled = true;
sc = new Thread(thread_sc);
sc.Start();
break;
default:
show_hide_f2(true);
run_btn.Text = "開始錄影 (F2)";
f2.can_drag = true;
isRecording = false;
if (isNeedAudio)
{
//mciSendString("save recsound " + audio_path, null, 0, IntPtr.Zero);
//mciSendString("close recsound", null, 0, IntPtr.Zero);
//https://github.com/accord-net/framework/issues/418
//byte[] bffr = File.ReadAllBytes(audio_path);
//writer.WriteAudioFrame()
//writer.WriteAudioFrame()
//
// audio.Stop();
// audio.Dispose();
//audio = null;
//audio_w.Dispose();
//audio_w = null;
//GC.Collect();
//audio.Dispose();
system_audio.StopRecording();
if (system_audio != null)
{
system_audio.Dispose();
system_audio = null;
}
if (waveFile != null)
{
waveFile.Dispose();
waveFile = null;
}
// system_audio.StopRecording();
// system_audio.Dispose();
//my.copy(audio_path, _nt);
//sc.Abort();
//Thread.Sleep(1000);
//GC.Collect();
while (write_finish == false)
{
Thread.Sleep(10);
}
writer.Close();
writer = null;
AviManager aviManager = new AviManager(video_path, true);
aviManager.AddAudioStream(audio_path, 0);
aviManager.Close();
timer1.Enabled = false;
my.unlink(audio_path);
}
break;
}
}