Alex Helms alexhelms

Convert sequence of GoPro Hero 6 Black JPEG images to MKV / MP4 video

ffmpeg \
  -r 30000/1001 \
  -pattern_type glob -i '*.JPG' \
  -vf "crop=in_w:in_w*9/16,scale=3840:-2" \
  -sws_flags lanczos \
  -pix_fmt yuv420p \
 -vcodec libx264 \

	public static class SinCosAvx2
	{
	private static Vector256<float> a2m_ps256_1 = Vector256.Create(1.0f);
	private static Vector256<float> a2m_ps256_0p5 = Vector256.Create(0.5f);

	private static Vector256<int> a2m_pi256_sign_mask = Vector256.Create(unchecked((int)0x80000000));
	private static Vector256<int> a2m_pi256_inv_sign_mask = Vector256.Create(unchecked((int)~0x80000000));

	private static Vector256<int> a2m_pi256_0 = Vector256.Create(0);
	private static Vector256<int> a2m_pi256_1 = Vector256.Create(1);