* i420_yuy2.c : YUV to YUV conversion module for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
- * $Id: i420_yuy2.c,v 1.5 2004/01/25 17:20:18 kuehne Exp $
+ * $Id: i420_yuy2.c,v 1.6 2004/01/26 16:54:56 titer Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
#if defined (MODULE_NAME_IS_i420_yuy2)
# define DEST_FOURCC "YUY2,YUNV,YVYU,UYVY,UYNV,Y422,IUYV,cyuv,Y211"
-#else
+#elif defined (MODULE_NAME_IS_i420_yuy2_mmx)
# define DEST_FOURCC "YUY2,YUNV,YVYU,UYVY,UYNV,Y422,IUYV,cyuv"
+#elif defined (MODULE_NAME_IS_i420_yuy2_altivec)
+# define DEST_FOURCC "YUY2,YUNV"
#endif
/*****************************************************************************
static int Activate ( vlc_object_t * );
static void I420_YUY2 ( vout_thread_t *, picture_t *, picture_t * );
+#if !defined (MODULE_NAME_IS_i420_yuy2_altivec)
static void I420_YVYU ( vout_thread_t *, picture_t *, picture_t * );
static void I420_UYVY ( vout_thread_t *, picture_t *, picture_t * );
static void I420_IUYV ( vout_thread_t *, picture_t *, picture_t * );
static void I420_cyuv ( vout_thread_t *, picture_t *, picture_t * );
+#endif
#if defined (MODULE_NAME_IS_i420_yuy2)
static void I420_Y211 ( vout_thread_t *, picture_t *, picture_t * );
#endif
/* Initialize MMX-specific constants */
i_00ffw = 0x00ff00ff00ff00ffULL;
i_80w = 0x0000000080808080ULL;
+#elif defined (MODULE_NAME_IS_i420_yuy2_altivec)
+ set_description(
+ _("Altivec conversions from " SRC_FOURCC " to " DEST_FOURCC) );
+ set_capability( "chroma", 100 );
+ add_requirement( ALTIVEC );
#endif
set_callbacks( Activate, NULL );
vlc_module_end();
p_vout->chroma.pf_convert = I420_YUY2;
break;
+#if !defined (MODULE_NAME_IS_i420_yuy2_altivec)
case VLC_FOURCC('Y','V','Y','U'):
p_vout->chroma.pf_convert = I420_YVYU;
break;
case VLC_FOURCC('c','y','u','v'):
p_vout->chroma.pf_convert = I420_cyuv;
break;
+#endif
#if defined (MODULE_NAME_IS_i420_yuy2)
case VLC_FOURCC('Y','2','1','1'):
const int i_dest_margin = p_dest->p->i_pitch
- p_dest->p->i_visible_pitch;
+#if defined (MODULE_NAME_IS_i420_yuy2_altivec)
+ vector unsigned char u_vec;
+ vector unsigned char v_vec;
+ vector unsigned char uv_vec;
+ vector unsigned char y_vec;
+ int high = 1;
+#endif
+
for( i_y = p_vout->render.i_height / 2 ; i_y-- ; )
{
p_line1 = p_line2;
p_y1 = p_y2;
p_y2 += p_source->p[Y_PLANE].i_pitch;
+#if defined (MODULE_NAME_IS_i420_yuy2_altivec)
+ /* FIXME Thats only works for sizes multiple of 16 */
+ for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
+ {
+ if( high )
+ {
+ u_vec = vec_ld( 0, p_u ); p_u += 16;
+ v_vec = vec_ld( 0, p_v ); p_v += 16;
+ uv_vec = vec_mergeh( u_vec, v_vec );
+ }
+ else
+ {
+ uv_vec = vec_mergel( u_vec, v_vec );
+ }
+ y_vec = vec_ld( 0, p_y1 ); p_y1 += 16;
+ vec_st( vec_mergeh( y_vec, uv_vec ), 0, p_line1 ); p_line1 += 16;
+ vec_st( vec_mergel( y_vec, uv_vec ), 0, p_line1 ); p_line1 += 16;
+ y_vec = vec_ld( 0, p_y2 ); p_y2 += 16;
+ vec_st( vec_mergeh( y_vec, uv_vec ), 0, p_line2 ); p_line2 += 16;
+ vec_st( vec_mergel( y_vec, uv_vec ), 0, p_line2 ); p_line2 += 16;
+ high = !high;
+ }
+#else
for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
{
#if defined (MODULE_NAME_IS_i420_yuy2)
MMX_CALL( MMX_YUV420_YUYV );
#endif
}
+#endif
p_y1 += i_source_margin;
p_y2 += i_source_margin;
/*****************************************************************************
* I420_YVYU: planar YUV 4:2:0 to packed YVYU 4:2:2
*****************************************************************************/
+#if !defined (MODULE_NAME_IS_i420_yuy2_altivec)
static void I420_YVYU( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
p_line2 += i_dest_margin;
}
}
+#endif // !defined (MODULE_NAME_IS_i420_yuy2_altivec)
/*****************************************************************************
* I420_Y211: planar YUV 4:2:0 to packed YUYV 2:1:1