Minor optimisations, consumer avformat experimentation

[mlt] / src / framework / mlt_frame.c

diff --git a/src/framework/mlt_frame.c b/src/framework/mlt_frame.c
index ce820b9a0e74c3df928c52153240c0bfafcd2c54..0924cbbc780e9e0ee155c2c90cd0bc33885aa98b 100644 (file)
--- a/src/framework/mlt_frame.c
+++ b/src/framework/mlt_frame.c
@@ -494,6 +494,8 @@ void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input
 
        int active_width = 2 * iwidth;
        int inactive_width = out_x_range - in_x_range;
+       uint8_t *p = NULL;
+       uint8_t *end = NULL;
 
        // Loop for the entirety of our output height.
        while ( iheight -- )
@@ -510,8 +512,13 @@ void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input
                }
 
                // We're in the input range for this row.
-               memcpy( out_ptr, in_middle + in_line, active_width );
-               out_ptr += active_width;
+               p = in_middle + in_line;
+               end = out_ptr + active_width;
+               while ( out_ptr != end )
+               {
+                       *out_ptr ++ = *p ++;
+                       *out_ptr ++ = *p ++;
+               }
 
                // Fill the outer part with black
                elements = inactive_width;