/**
* This function will copy the picture pixels.
+ * You can safely copy between pictures that do not have the same size,
+ * only the compatible(smaller) part will be copied.
*/
VLC_EXPORT( void, picture_CopyPixels, ( picture_t *p_dst, const picture_t *p_src ) );
for( i = 0; i < p_src->i_planes ; i++ )
{
+ const unsigned i_width = __MIN( p_dst->p[i].i_visible_pitch,
+ p_src->p[i].i_visible_pitch );
+ const unsigned i_height = __MIN( p_dst->p[i].i_visible_lines,
+ p_src->p[i].i_visible_lines );
+
if( p_src->p[i].i_pitch == p_dst->p[i].i_pitch )
{
/* There are margins, but with the same width : perfect ! */
vlc_memcpy( p_dst->p[i].p_pixels, p_src->p[i].p_pixels,
- p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
+ p_src->p[i].i_pitch * i_height );
}
else
{
assert( p_in );
assert( p_out );
- for( i_line = p_src->p[i].i_visible_lines; i_line--; )
+ for( i_line = i_height; i_line--; )
{
- vlc_memcpy( p_out, p_in, p_src->p[i].i_visible_pitch );
+ vlc_memcpy( p_out, p_in, i_width );
p_in += p_src->p[i].i_pitch;
p_out += p_dst->p[i].i_pitch;
}