public void TestEncode()
{
AVLog.Callback += (level, msg) => Console.WriteLine(level + ": " + msg);
AVLog.Level = (int)AVLogLevel.Trace;
_codecContext.Open2(AVCodec.FindDecoder(_codecContext.CodecId));
AVPacket packet;
var frame = new AVFrame();
var codec = AVCodec.FindEncoderByName("png");
var encodeContext = new AVCodecContext(codec)
{
PixelFormat = AVPixelFormat.RGB24,
Width = _codecContext.Width,
Height = _codecContext.Height
};
encodeContext.Open2(codec);
var convContext = SWSContext.GetContext(_codecContext.Width, _codecContext.Height, AVPixelFormat.YUV420P,
AVPixelFormat.RGB24);
var convBuffer = new AVPicture(AVPixelFormat.RGB24, _codecContext.Width, _codecContext.Height).AsFrame();
int frameCounter = 0;
int readCounter = 0;
while ((packet = _formatContext.ReadFrame()) != null)
{
if (packet.StreamIndex != 0)
{
continue;
}
bool pic = _codecContext.DecodeVideo2(packet, frame);
if (!pic)
{
continue;
}
readCounter++;
convContext.Scale(frame, convBuffer, 0, _codecContext.Height);
var outPacket = encodeContext.EncodeVideo2(convBuffer);
if (outPacket != null)
{
frameCounter++;
// for checking the frames, not part of normal test
//var data = new byte[outPacket.Size];
//Marshal.Copy(outPacket.Data, data, 0, data.Length);
//File.WriteAllBytes((frameCounter++) + ".png", data);
}
}
Assert.AreEqual(readCounter, frameCounter);
Assert.AreEqual(245, readCounter);
encodeContext.Close();
_codecContext.Close();
}
public static bool Fill(AVPicture picture, SByteBuffer buffer, AutoGen.AVPixelFormat format, int width,
int height)
{
return FFmpegInvoke.avpicture_fill(picture.NativeObj, buffer.NativeObj, format, width, height) == 0;
}