public unsafe void Roundtrip_I420_640x480()
{
VpxVideoEncoder vpxEncoder = new VpxVideoEncoder();
using (StreamReader sr = new StreamReader("img/testpattern_640x480.i420"))
{
byte[] buffer = new byte[sr.BaseStream.Length];
sr.BaseStream.Read(buffer, 0, buffer.Length);
var encodedFrame = vpxEncoder.EncodeVideo(640, 480, buffer, VideoPixelFormatsEnum.I420, VideoCodecsEnum.VP8);
Assert.NotNull(encodedFrame);
Assert.Equal(15399, encodedFrame.Length);
var decodedFrame = vpxEncoder.DecodeVideo(encodedFrame, VideoPixelFormatsEnum.Bgr, VideoCodecsEnum.VP8).First();
Assert.NotNull(decodedFrame.Sample);
Assert.Equal(921600, decodedFrame.Sample.Length);
Assert.Equal(640U, decodedFrame.Width);
Assert.Equal(480U, decodedFrame.Height);
fixed(byte *pBgr = decodedFrame.Sample)
{
Bitmap bmp = new Bitmap((int)decodedFrame.Width, (int)decodedFrame.Height, (int)decodedFrame.Width * 3, System.Drawing.Imaging.PixelFormat.Format24bppRgb, new IntPtr(pBgr));
bmp.Save("roundtrip_i420_640x480.bmp");
bmp.Dispose();
}
}
}
public unsafe void Roundtrip_Bitmap_720x405()
{
VpxVideoEncoder vpxEncoder = new VpxVideoEncoder();
using (Bitmap bmp = new Bitmap("img/testpattern_720x405.bmp"))
{
byte[] i420 = BitmapToI420(bmp);
var encodedFrame = vpxEncoder.EncodeVideo(720, 405, i420, VideoPixelFormatsEnum.I420, VideoCodecsEnum.VP8);
Assert.NotNull(encodedFrame);
//Assert.Equal(14207, encodedFrame.Length);
var decodedFrame = vpxEncoder.DecodeVideo(encodedFrame, VideoPixelFormatsEnum.Bgr, VideoCodecsEnum.VP8).First();
Assert.NotNull(decodedFrame.Sample);
//Assert.Equal(921600, decodedFrame.Sample.Length);
Assert.Equal(720U, decodedFrame.Width);
Assert.Equal(405U, decodedFrame.Height);
fixed(byte *pBgr = decodedFrame.Sample)
{
Bitmap rtBmp = new Bitmap((int)decodedFrame.Width, (int)decodedFrame.Height, (int)decodedFrame.Width * 3, System.Drawing.Imaging.PixelFormat.Format24bppRgb, new IntPtr(pBgr));
rtBmp.Save("roundtrip_bitmap_720x405.bmp");
rtBmp.Dispose();
}
}
}
public void Encode_I420_640x480()
{
VpxVideoEncoder vpxEncoder = new VpxVideoEncoder();
using (StreamReader sr = new StreamReader("img/testpattern_640x480.i420"))
{
byte[] buffer = new byte[sr.BaseStream.Length];
sr.BaseStream.Read(buffer, 0, buffer.Length);
byte[] encodedSample = vpxEncoder.EncodeVideo(640, 480, buffer, VideoPixelFormatsEnum.I420, VideoCodecsEnum.VP8);
Assert.NotNull(encodedSample);
Assert.Equal(15399, encodedSample.Length);
}
}
public void DecodeKeyFrameUnitTest()
{
VpxVideoEncoder vpxEncoder = new VpxVideoEncoder();
string hexKeyFrame = File.ReadAllText("img/testpattern_keyframe_640x480.vp8");
byte[] buffer = HexStr.ParseHexStr(hexKeyFrame.Trim());
var frame = vpxEncoder.DecodeVideo(buffer, VideoPixelFormatsEnum.I420, VideoCodecsEnum.VP8).First();
Assert.NotNull(frame.Sample);
Assert.Equal(921600, frame.Sample.Length);
Assert.Equal(640U, frame.Width);
Assert.Equal(480U, frame.Height);
//fixed (byte* bmpPtr = encodedSample.Sample)
//{
// Bitmap bmp = new Bitmap((int)encodedSample.Width, (int)encodedSample.Height, (int)encodedSample.Width * 3, System.Drawing.Imaging.PixelFormat.Format24bppRgb, new IntPtr(bmpPtr));
// bmp.Save("decodetestpattern.bmp");
// bmp.Dispose();
//}
}
