* i420_yuy2.c : YUV to YUV conversion module for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
- * $Id: i420_yuy2.c,v 1.1 2002/08/04 17:23:43 sam Exp $
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h> /* ENOMEM */
#include <string.h> /* strerror() */
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc/vout.h>
+#ifdef HAVE_ALTIVEC_H
+# include <altivec.h>
+#endif
+
#include "i420_yuy2.h"
#define SRC_FOURCC "I420,IYUV,YV12"
#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
#ifdef MODULE_NAME_IS_i420_yuy2_mmx
-static unsigned long long i_00ffw;
-static unsigned long long i_80w;
+static uint64_t i_00ffw;
+static uint64_t i_80w;
#endif
/*****************************************************************************
*****************************************************************************/
vlc_module_begin();
#if defined (MODULE_NAME_IS_i420_yuy2)
- set_description( _("conversions from " SRC_FOURCC " to " DEST_FOURCC) );
+ set_description( _("Conversions from " SRC_FOURCC " to " DEST_FOURCC) );
set_capability( "chroma", 80 );
#elif defined (MODULE_NAME_IS_i420_yuy2_mmx)
set_description( _("MMX conversions from " SRC_FOURCC " to " DEST_FOURCC) );
set_capability( "chroma", 100 );
add_requirement( MMX );
/* Initialize MMX-specific constants */
- i_00ffw = 0x00ff00ff00ff00ff;
- i_80w = 0x0000000080808080;
+ 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'):
static void I420_YUY2( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
- u8 *p_line1, *p_line2 = p_dest->p->p_pixels;
- u8 *p_y1, *p_y2 = p_source->Y_PIXELS;
- u8 *p_u = p_source->U_PIXELS;
- u8 *p_v = p_source->V_PIXELS;
+ uint8_t *p_line1, *p_line2 = p_dest->p->p_pixels;
+ uint8_t *p_y1, *p_y2 = p_source->Y_PIXELS;
+ uint8_t *p_u = p_source->U_PIXELS;
+ uint8_t *p_v = p_source->V_PIXELS;
int i_x, i_y;
+#if defined (MODULE_NAME_IS_i420_yuy2_altivec)
+#define VEC_NEXT_LINES( ) \
+ p_line1 = p_line2; \
+ p_line2 += p_dest->p->i_pitch; \
+ p_y1 = p_y2; \
+ p_y2 += p_source->p[Y_PLANE].i_pitch;
+
+#define VEC_LOAD_UV( ) \
+ u_vec = vec_ld( 0, p_u ); p_u += 16; \
+ v_vec = vec_ld( 0, p_v ); p_v += 16;
+
+#define VEC_MERGE( a ) \
+ uv_vec = a( 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;
+
+ vector unsigned char u_vec;
+ vector unsigned char v_vec;
+ vector unsigned char uv_vec;
+ vector unsigned char y_vec;
+
+ if( !( ( p_vout->render.i_width % 32 ) |
+ ( p_vout->render.i_height % 2 ) ) )
+ {
+ /* Width is a multiple of 32, we take 2 lines at a time */
+ for( i_y = p_vout->render.i_height / 2 ; i_y-- ; )
+ {
+ VEC_NEXT_LINES( );
+ for( i_x = p_vout->render.i_width / 32 ; i_x-- ; )
+ {
+ VEC_LOAD_UV( );
+ VEC_MERGE( vec_mergeh );
+ VEC_MERGE( vec_mergel );
+ }
+ }
+ }
+ else if( !( ( p_vout->render.i_width % 16 ) |
+ ( p_vout->render.i_height % 4 ) ) )
+ {
+ /* Width is only a multiple of 16, we take 4 lines at a time */
+ for( i_y = p_vout->render.i_height / 4 ; i_y-- ; )
+ {
+ /* Line 1 and 2, pixels 0 to ( width - 16 ) */
+ VEC_NEXT_LINES( );
+ for( i_x = p_vout->render.i_width / 32 ; i_x-- ; )
+ {
+ VEC_LOAD_UV( );
+ VEC_MERGE( vec_mergeh );
+ VEC_MERGE( vec_mergel );
+ }
+
+ /* Line 1 and 2, pixels ( width - 16 ) to ( width ) */
+ VEC_LOAD_UV( );
+ VEC_MERGE( vec_mergeh );
+
+ /* Line 3 and 4, pixels 0 to 16 */
+ VEC_NEXT_LINES( );
+ VEC_MERGE( vec_mergel );
+
+ /* Line 3 and 4, pixels 16 to ( width ) */
+ for( i_x = p_vout->render.i_width / 32 ; i_x-- ; )
+ {
+ VEC_LOAD_UV( );
+ VEC_MERGE( vec_mergeh );
+ VEC_MERGE( vec_mergel );
+ }
+ }
+ }
+ else
+ {
+ /* Crap, use the C version */
+#undef VEC_NEXT_LINES
+#undef VEC_LOAD_UV
+#undef VEC_MERGE
+#endif
+
const int i_source_margin = p_source->p->i_pitch
- p_source->p->i_visible_pitch;
const int i_dest_margin = p_dest->p->i_pitch
p_y1 = p_y2;
p_y2 += p_source->p[Y_PLANE].i_pitch;
- for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
+#if !defined (MODULE_NAME_IS_i420_yuy2_mmx)
+ for( i_x = p_vout->render.i_width / 2 ; i_x-- ; )
{
-#if defined (MODULE_NAME_IS_i420_yuy2)
- C_YUV420_YUYV( );
- C_YUV420_YUYV( );
- C_YUV420_YUYV( );
C_YUV420_YUYV( );
+ }
#else
+ for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
+ {
MMX_CALL( MMX_YUV420_YUYV );
-#endif
}
+ for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
+ {
+ C_YUV420_YUYV( );
+ }
+#endif
p_y1 += i_source_margin;
p_y2 += i_source_margin;
p_line1 += i_dest_margin;
p_line2 += i_dest_margin;
}
+
+#if defined (MODULE_NAME_IS_i420_yuy2_altivec)
+ }
+#endif
}
/*****************************************************************************
* 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 )
{
- u8 *p_line1, *p_line2 = p_dest->p->p_pixels;
- u8 *p_y1, *p_y2 = p_source->Y_PIXELS;
- u8 *p_u = p_source->U_PIXELS;
- u8 *p_v = p_source->V_PIXELS;
+ uint8_t *p_line1, *p_line2 = p_dest->p->p_pixels;
+ uint8_t *p_y1, *p_y2 = p_source->Y_PIXELS;
+ uint8_t *p_u = p_source->U_PIXELS;
+ uint8_t *p_v = p_source->V_PIXELS;
int i_x, i_y;
static void I420_UYVY( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
- u8 *p_line1, *p_line2 = p_dest->p->p_pixels;
- u8 *p_y1, *p_y2 = p_source->Y_PIXELS;
- u8 *p_u = p_source->U_PIXELS;
- u8 *p_v = p_source->V_PIXELS;
+ uint8_t *p_line1, *p_line2 = p_dest->p->p_pixels;
+ uint8_t *p_y1, *p_y2 = p_source->Y_PIXELS;
+ uint8_t *p_u = p_source->U_PIXELS;
+ uint8_t *p_v = p_source->V_PIXELS;
int i_x, i_y;
static void I420_cyuv( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
- u8 *p_line1 = p_dest->p->p_pixels + p_dest->p->i_lines * p_dest->p->i_pitch
- + p_dest->p->i_pitch;
- u8 *p_line2 = p_dest->p->p_pixels + p_dest->p->i_lines * p_dest->p->i_pitch;
- u8 *p_y1, *p_y2 = p_source->Y_PIXELS;
- u8 *p_u = p_source->U_PIXELS;
- u8 *p_v = p_source->V_PIXELS;
+ uint8_t *p_line1 = p_dest->p->p_pixels +
+ p_dest->p->i_visible_lines * p_dest->p->i_pitch
+ + p_dest->p->i_pitch;
+ uint8_t *p_line2 = p_dest->p->p_pixels +
+ p_dest->p->i_visible_lines * p_dest->p->i_pitch;
+ uint8_t *p_y1, *p_y2 = p_source->Y_PIXELS;
+ uint8_t *p_u = p_source->U_PIXELS;
+ uint8_t *p_v = p_source->V_PIXELS;
int i_x, i_y;
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
static void I420_Y211( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
- u8 *p_line1, *p_line2 = p_dest->p->p_pixels;
- u8 *p_y1, *p_y2 = p_source->Y_PIXELS;
- u8 *p_u = p_source->U_PIXELS;
- u8 *p_v = p_source->V_PIXELS;
+ uint8_t *p_line1, *p_line2 = p_dest->p->p_pixels;
+ uint8_t *p_y1, *p_y2 = p_source->Y_PIXELS;
+ uint8_t *p_u = p_source->U_PIXELS;
+ uint8_t *p_v = p_source->V_PIXELS;
int i_x, i_y;
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