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vlc-2-2
Commit b3e689d0 authored by Eric Petit's avatar Eric Petit
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+ All: added Altivec-optimized i420 to yuy2 conversion. It isn't used 

   yet as Quicktime handles i420 pictures, but it will be when I've
   cleaned the OpenGL output I'm working on (to be commited soon).
parent d47b33f3
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Showing with 55 additions and 5 deletions
configure.ac
View file @ b3e689d0
dnl Autoconf settings for vlc
dnl $Id: configure.ac,v 1.159 2004/01/26 10:35:28 gbazin Exp $
dnl $Id: configure.ac,v 1.160 2004/01/26 16:54:56 titer Exp $
AC_INIT(vlc,0.7.1-cvs)
......@@ -913,7 +913,7 @@ MMXEXT_MODULES="memcpymmxext"
#MMXEXT_MODULES="${MMXEXT_MODULES} idctmmxext motionmmxext"
THREEDNOW_MODULES="memcpy3dn"
SSE_MODULES=""
ALTIVEC_MODULES="memcpyaltivec"
ALTIVEC_MODULES="memcpyaltivec i420_yuy2_altivec"
#ALTIVEC_MODULES="${ALTIVEC_MODULES} idctaltivec motionaltivec"
if test "${enable_gprof}" != "yes"
......@@ -995,7 +995,7 @@ AC_CACHE_CHECK([if \$CC groks AltiVec C extensions],
CFLAGS="${CFLAGS_save}"])
if test "${ac_cv_c_altivec}" != "no"; then
AC_DEFINE(CAN_COMPILE_C_ALTIVEC, 1, Define if your compiler groks C AltiVec extensions.)
AX_ADD_CFLAGS([vlc idctaltivec motionaltivec memcpyaltivec deinterlace],[${ac_cv_c_altivec}])
AX_ADD_CFLAGS([vlc idctaltivec motionaltivec memcpyaltivec deinterlace i420_yuy2_altivec],[${ac_cv_c_altivec}])
ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
fi
......
modules/video_chroma/Modules.am
View file @ b3e689d0
......@@ -23,6 +23,11 @@ SOURCES_i420_yuy2_mmx = \
i420_yuy2.h \
$(NULL)
SOURCES_i420_yuy2_altivec = \
i420_yuy2.c \
i420_yuy2.h \
$(NULL)
SOURCES_i422_yuy2 = \
i422_yuy2.c \
i422_yuy2.h \
......
modules/video_chroma/i420_yuy2.c
View file @ b3e689d0
......@@ -2,7 +2,7 @@
* 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>
*
......@@ -36,8 +36,10 @@
#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
/*****************************************************************************
......@@ -46,10 +48,12 @@
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
......@@ -73,6 +77,11 @@ vlc_module_begin();
/* 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();
......@@ -103,6 +112,7 @@ static int Activate( vlc_object_t *p_this )
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;
......@@ -120,6 +130,7 @@ static int Activate( vlc_object_t *p_this )
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'):
......@@ -159,6 +170,14 @@ static void I420_YUY2( vout_thread_t *p_vout, picture_t *p_source,
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;
......@@ -167,6 +186,29 @@ static void I420_YUY2( vout_thread_t *p_vout, picture_t *p_source,
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)
......@@ -178,6 +220,7 @@ static void I420_YUY2( vout_thread_t *p_vout, picture_t *p_source,
MMX_CALL( MMX_YUV420_YUYV );
#endif
}
#endif
p_y1 += i_source_margin;
p_y2 += i_source_margin;
......@@ -189,6 +232,7 @@ static void I420_YUY2( vout_thread_t *p_vout, picture_t *p_source,
/*****************************************************************************
* 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 )
{
......@@ -334,6 +378,7 @@ static void I420_cyuv( vout_thread_t *p_vout, picture_t *p_source,
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
......
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