| private sws_getContext ( [ srcW, [ srcH, AVPixelFormat srcFormat, [ dstW, [ dstH, AVPixelFormat dstFormat, [ flags, IntPtr srcFilter, IntPtr dstFilter, IntPtr param ) : IntPtr | ||
| srcW | [ | |
| srcH | [ | |
| srcFormat | AVPixelFormat | |
| dstW | [ | |
| dstH | [ | |
| dstFormat | AVPixelFormat | |
| flags | [ | |
| srcFilter | IntPtr | |
| dstFilter | IntPtr | |
| param | IntPtr | |
| return | IntPtr | |
private void ConvertToBitmap(ref VideoFrameType t)
{
var frame = avFrame;
//FFmpeg.AVFrame final = gcnew AvFrame(PIX_FMT_BGR24, this->size);
IntPtr final = AV.avcodec_alloc_frame();
AV.AVFrame finalFrame = new NativeGetter <AV.AVFrame>(final).Get();
var dst_fmt = AV.AVPixelFormat.AV_PIX_FMT_BGR24;
int count = AV.avpicture_get_size(dst_fmt, codecCtx.width, codecCtx.height);
IntPtr bufferArr = Marshal.AllocHGlobal(count);
AV.avpicture_fill(final, bufferArr, dst_fmt, codecCtx.width, codecCtx.height);
IntPtr swsContext = AV.sws_getContext(codecCtx.width, codecCtx.height, codecCtx.pix_fmt,
codecCtx.width, codecCtx.height, dst_fmt, AV.SWS_BICUBIC, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (swsContext == IntPtr.Zero)
{
throw new Exception();
}
finalFrame = new NativeGetter <AV.AVFrame>(final).Get();
AV.sws_scale(swsContext, frame.data, frame.linesize, 0, codecCtx.height, finalFrame.data, finalFrame.linesize);
new NativeSetter <AV.AVFrame>(final).Set(finalFrame);
// Array::Reverse(bufferArr);
byte[] buffer = new byte[count];
Marshal.Copy(bufferArr, buffer, 0, count);
AV.av_free(final);
Marshal.FreeHGlobal(bufferArr);
t.width = codecCtx.width;
t.height = codecCtx.height;
t.SourceFormat = codecCtx.pix_fmt;
t.DestFormat = dst_fmt;
t.managedData = buffer;
t.linesize = finalFrame.linesize[0];
}
