Method copy_from_2d_buffer

rustcv-backend-msmf/src/stream.rs:317–331

Copies frame data from a 2D buffer with stride handling.

(&mut self, buffer: &IMF2DBuffer2)

    /// Copies frame data from a 2D buffer with stride handling.
    unsafe fn copy_from_2d_buffer(&mut self, buffer: &IMF2DBuffer2) -> Result<()> {
        let (mut scanline0, mut pitch) = (std::ptr::null_mut(), 0i32);
        buffer.Lock2D(&mut scanline0, &mut pitch).map_err(win_err)?;

        let src_pitch = pitch.unsigned_abs() as usize;
        let row_bytes = self.line_width_bytes;

        let result = match BufferLayout::from_format(self.format) {
            BufferLayout::Planar => self.copy_planar_data(scanline0, pitch, src_pitch, row_bytes),
            BufferLayout::Packed => self.copy_packed_data(scanline0, pitch, src_pitch, row_bytes),
        };

        let _ = buffer.Unlock2D();
        result
    }

    /// Copies planar format data (NV12, YV12).
    unsafe fn copy_planar_data(