/// <summary>
/// Encodes a frame.
/// </summary>
/// <seealso cref="IVideoEncoder.EncodeFrame"/>
public int EncodeFrame(byte[] source, int srcOffset, byte[] destination, int destOffset, out bool isKeyFrame)
{
BitmapUtils.FlipVertical(source, srcOffset, sourceBuffer, 0, height, width * 4);
BitmapUtils.Bgr32ToBgr24(sourceBuffer, 0, destination, destOffset, width * height);
isKeyFrame = true;
return(MaxEncodedSize);
}
/// <summary>
/// Encodes a frame.
/// </summary>
/// <seealso cref="IVideoEncoder.EncodeFrame"/>
public int EncodeFrame(byte[] source, int srcOffset, byte[] destination, int destOffset, out bool isKeyFrame)
{
BitmapUtils.FlipVertical(source, srcOffset, sourceBuffer, 0, height, width * 4);
for (var i = 0; i < height; i++)
{
BitmapUtils.Bgr32ToBgr24(sourceBuffer, i * width * 4, destination, destOffset + i * stride, width);
}
isKeyFrame = true;
return(MaxEncodedSize);
}
/// <summary>
/// Encodes a frame.
/// </summary>
public int EncodeFrame(ReadOnlySpan <byte> source, Span <byte> destination, out bool isKeyFrame)
{
Argument.ConditionIsMet(4 * width * height <= source.Length,
"Source end offset exceeds the source length.");
// Flip vertical and convert to 24 bpp
for (var y = 0; y < height; y++)
{
var srcOffset = y * width * 4;
var destOffset = (height - 1 - y) * stride;
BitmapUtils.Bgr32ToBgr24(source.Slice(srcOffset), destination.Slice(destOffset), width);
}
isKeyFrame = true;
return(MaxEncodedSize);
}
/// <summary>
/// Encodes a frame.
/// </summary>
public int EncodeFrame(byte[] source, int srcOffset, byte[] destination, int destOffset, out bool isKeyFrame)
{
Argument.IsNotNull(source, nameof(source));
Argument.IsNotNegative(srcOffset, nameof(srcOffset));
Argument.ConditionIsMet(srcOffset + 4 * width * height <= source.Length,
"Source end offset exceeds the source length.");
Argument.IsNotNull(destination, nameof(destination));
Argument.IsNotNegative(destOffset, nameof(destOffset));
#if NET5_0_OR_GREATER
return(EncodeFrame(source.AsSpan(srcOffset), destination.AsSpan(destOffset), out isKeyFrame));
#else
// Flip vertical and convert to 24 bpp
for (var y = 0; y < height; y++)
{
var srcLineOffset = srcOffset + y * width * 4;
var destLineOffset = destOffset + (height - 1 - y) * stride;
BitmapUtils.Bgr32ToBgr24(source, srcLineOffset, destination, destLineOffset, width);
}
isKeyFrame = true;
return(MaxEncodedSize);
#endif
}
