/*****************************************************************************
* I422_cyuv: planar YUV 4:2:2 to upside-down packed UYVY 4:2:2
*****************************************************************************/
VLC_TARGET
static void I422_cyuv( filter_t *p_filter, picture_t *p_source,
picture_t *p_dest )
{
uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
uint8_t *p_y = 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;
const int i_source_margin = p_source->p[0].i_pitch
- p_source->p[0].i_visible_pitch;
const int i_source_margin_c = p_source->p[1].i_pitch
- p_source->p[1].i_visible_pitch;
const int i_dest_margin = p_dest->p->i_pitch
- p_dest->p->i_visible_pitch;
#if defined (MODULE_NAME_IS_i422_yuy2_sse2)
if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
((intptr_t)p_line|(intptr_t)p_y))) )
{
/* use faster SSE2 aligned fetch and store */
for( i_y = p_filter->fmt_in.video.i_height ; i_y-- ; )
{
p_line -= 2 * p_dest->p->i_pitch;
for( i_x = p_filter->fmt_in.video.i_width / 16 ; i_x-- ; )
{
SSE2_CALL( SSE2_YUV422_UYVY_ALIGNED );
}
for( i_x = ( p_filter->fmt_in.video.i_width % 16 ) / 2; i_x-- ; )
{
C_YUV422_UYVY( p_line, p_y, p_u, p_v );
}
p_y += i_source_margin;
p_u += i_source_margin_c;
p_v += i_source_margin_c;
p_line += i_dest_margin;
}
}
else {
/* use slower SSE2 unaligned fetch and store */
for( i_y = p_filter->fmt_in.video.i_height ; i_y-- ; )
{
p_line -= 2 * p_dest->p->i_pitch;
for( i_x = p_filter->fmt_in.video.i_width / 16 ; i_x-- ; )
{
SSE2_CALL( SSE2_YUV422_UYVY_UNALIGNED );
}
for( i_x = ( p_filter->fmt_in.video.i_width % 16 ) / 2; i_x-- ; )
{
C_YUV422_UYVY( p_line, p_y, p_u, p_v );
}
p_y += i_source_margin;
p_u += i_source_margin_c;
p_v += i_source_margin_c;
p_line += i_dest_margin;
}
}
SSE2_END;
#else
for( i_y = p_filter->fmt_in.video.i_height ; i_y-- ; )
{
for( i_x = p_filter->fmt_in.video.i_width / 8 ; i_x-- ; )
{
p_line -= 2 * p_dest->p->i_pitch;
#if defined (MODULE_NAME_IS_i422_yuy2)
C_YUV422_UYVY( p_line, p_y, p_u, p_v );
C_YUV422_UYVY( p_line, p_y, p_u, p_v );
C_YUV422_UYVY( p_line, p_y, p_u, p_v );
C_YUV422_UYVY( p_line, p_y, p_u, p_v );
#elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
MMX_CALL( MMX_YUV422_UYVY );
#endif
}
p_y += i_source_margin;
p_u += i_source_margin_c;
p_v += i_source_margin_c;
p_line += i_dest_margin;
}
#if defined (MODULE_NAME_IS_i422_yuy2_mmx)
MMX_END;
#elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
SSE2_END;
#endif
#endif
}
void I420_R5G5B5_MMX(void * pHandle, uint8_t *p_y, uint8_t *p_u, uint8_t *p_v, uint16_t *p_d)
{
PSOFTCONV pconv = pHandle;
if (!pHandle)
return;
int b_hscale = pconv->b_hscale; /* horizontal scaling type */
unsigned int i_vscale = pconv->i_vscale; /* vertical scaling type */
unsigned int i_x, i_y; /* horizontal and vertical indexes */
CC_RECT * dst_rect = &pconv->dst_dis_rect;
CC_RECT * src_rect = &pconv->src_rect;
int dst_stride = pconv->dst_pitch;
uint16_t *p_pic = (uint16_t *)((uint8_t *)p_d + pconv->dst_offset);
int i_right_margin = pconv->i_right_margin;
int i_rewind;
int i_scale_count; /* scale modulo counter */
int i_chroma_width = WIDTHOF(src_rect) / 2; /* chroma width */
uint16_t * p_pic_start; /* beginning of the current line for copy */
/* Conversion buffer pointer */
uint16_t * p_buffer_start = pconv->pConvBuffer;
uint16_t * p_buffer;
/* Offset array pointer */
int * p_offset_start = pconv->pOffsetBuffer;
int * p_offset;
const int i_source_margin = pconv->i_source_margin;
const int i_source_margin_c = pconv->i_source_margin_c;
/*
* Perform conversion
*/
i_scale_count = ( i_vscale == 1 ) ?
HEIGHTOF(dst_rect) :
HEIGHTOF(src_rect);
if( WIDTHOF(src_rect) & 7 )
{
i_rewind = 8 - ( WIDTHOF(src_rect) & 7 );
}
else
{
i_rewind = 0;
}
for( i_y = 0; i_y < HEIGHTOF(src_rect); i_y++ )
{
p_pic_start = p_pic;
p_buffer = b_hscale ? p_buffer_start : p_pic;
for ( i_x = WIDTHOF(src_rect) / 8; i_x--; )
{
MMX_CALL (
MMX_INIT_16
MMX_YUV_MUL
MMX_YUV_ADD
MMX_UNPACK_15
);
p_y += 8;
p_u += 4;
p_v += 4;
p_buffer += 8;
}
/* Here we do some unaligned reads and duplicate conversions, but
* at least we have all the pixels */
if( i_rewind )
{
p_y -= i_rewind;
p_u -= i_rewind >> 1;
p_v -= i_rewind >> 1;
p_buffer -= i_rewind;
MMX_CALL (
MMX_INIT_16
MMX_YUV_MUL
MMX_YUV_ADD
MMX_UNPACK_15
);
p_y += 8;
p_u += 4;
p_v += 4;
p_buffer += 8;
}
SCALE_WIDTH;
SCALE_HEIGHT( 2 );
p_y += i_source_margin;
if( i_y % 2 )
{
p_u += i_source_margin_c;
p_v += i_source_margin_c;
}
}
/* re-enable FPU registers */
MMX_END;
}