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vlc-1.1
Commit 3b84e676 authored by Vincent Seguin's avatar Vincent Seguin
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Support 4:2:2, 4:4:4 et niveaux de gris en 15, 16 et 32 bpp complet.

parent 82b00a6b
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Showing with 539 additions and 466 deletions
src/video_output/video_yuv.c
View file @ 3b84e676
......@@ -71,6 +71,8 @@ static int BinaryLog ( u32 i );
static void MaskToShift ( int *pi_right, int *pi_left, u32 i_mask );
static void SetGammaTable ( int *pi_table, double f_gamma );
static void SetYUV ( vout_thread_t *p_vout );
static void SetOffset ( int i_width, int i_height, int i_pic_width, int i_pic_height,
boolean_t *pb_h_scaling, int *pi_v_scaling, int *p_offset );
static void ConvertY4Gray16 ( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
......@@ -109,14 +111,6 @@ static void ConvertYUV444RGB32( p_vout_thread_t p_vout, u32 *p_pic, yuv_data
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients );
/*******************************************************************************
* CLIP_BYTE macro: boundary detection
*******************************************************************************
* Return parameter if between 0 and 255, else return nearest boundary (0 or
* 255). This macro is used to build translations tables.
*******************************************************************************/
#define CLIP_BYTE( i_val ) ( (i_val < 0) ? 0 : ((i_val > 255) ? 255 : i_val) )
/*******************************************************************************
* CONVERT_YUV_PIXEL, CONVERT_Y_PIXEL: pixel convertion blocks
*******************************************************************************
......@@ -140,6 +134,106 @@ static void ConvertYUV444RGB32( p_vout_thread_t p_vout, u32 *p_pic, yuv_data
i_blue = (U_BLUE_COEF * i_uval) >> SHIFT; \
CONVERT_Y_PIXEL \
/*******************************************************************************
* SCALE_WIDTH: scale a line horizontally
*******************************************************************************
* This macro scale a line using rendering buffer and offset array.
*******************************************************************************/
#define SCALE_WIDTH \
if( b_horizontal_scaling ) \
{ \
/* Horizontal scaling, convertion has been done to buffer. \
* Rewind buffer and offset, then copy and scale line */ \
p_buffer = p_buffer_start; \
p_offset = p_offset_start; \
for( i_x = i_pic_width / 16; i_x--; ) \
{ \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
*p_pic++ = *p_buffer; p_buffer += *p_offset++; \
} \
p_pic += i_pic_line_width; \
} \
else \
{ \
/* No scaling, convertion has been done directly in picture memory. \
* Increment of picture pointer to end of line is still needed */ \
p_pic += i_pic_width + i_pic_line_width; \
} \
/*******************************************************************************
* SCALE_HEIGHT: handle vertical scaling
*******************************************************************************
* This macro handle vertical scaling for a picture. CHROMA may be 420, 422 or
* 444 for RGB convertion, or 400 for gray convertion.
*******************************************************************************/
#define SCALE_HEIGHT( CHROMA ) \
/* If line is odd, rewind 4:2:0 U and V samples */ \
if( ((CHROMA == 420) || (CHROMA == 422)) && !(i_y & 0x1) ) \
{ \
p_u -= i_chroma_width; \
p_v -= i_chroma_width; \
} \
\
/* \
* Handle vertical scaling. The current line can be copied or next one \
* can be ignored. \
*/ \
switch( i_vertical_scaling ) \
{ \
case -1: /* vertical scaling factor is < 1 */ \
while( (i_scale_count -= i_pic_height) >= 0 ) \
{ \
/* Height reduction: skip next source line */ \
p_y += i_width; \
i_y++; \
if( (CHROMA == 420) || (CHROMA == 422) ) \
{ \
if( i_y & 0x1 ) \
{ \
p_u += i_chroma_width; \
p_v += i_chroma_width; \
} \
} \
else if( CHROMA == 444 ) \
{ \
p_u += i_width; \
p_v += i_width; \
} \
} \
i_scale_count += i_height; \
break; \
case 1: /* vertical scaling factor is > 1 */ \
while( (i_scale_count -= i_height) > 0 ) \
{ \
/* Height increment: copy previous picture line */ \
for( i_x = i_pic_width / 16; i_x--; ) \
{ \
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
} \
p_pic += i_pic_line_width; \
p_pic_start += i_pic_line_width; \
} \
i_scale_count += i_pic_height; \
break; \
} \
/*******************************************************************************
* vout_InitYUV: allocate and initialize translations tables
*******************************************************************************
......@@ -361,23 +455,45 @@ static void SetYUV( vout_thread_t *p_vout )
case 15:
case 16:
p_vout->yuv.yuv.p_gray16 = (u16 *)p_vout->yuv.p_base + GRAY_MARGIN;
for( i_index = -GRAY_MARGIN; i_index < 256 + GRAY_MARGIN; i_index++)
for( i_index = 0; i_index < GRAY_MARGIN; i_index++ )
{
p_vout->yuv.yuv.p_gray16[ -i_index ] =
((pi_gamma[ 0 ] >> i_red_right) << i_red_left) |
((pi_gamma[ 0 ] >> i_green_right) << i_green_left) |
((pi_gamma[ 0 ] >> i_blue_right) << i_blue_left);
p_vout->yuv.yuv.p_gray16[ 256 + i_index ] =
((pi_gamma[ 255 ] >> i_red_right) << i_red_left) |
((pi_gamma[ 255 ] >> i_green_right) << i_green_left) |
((pi_gamma[ 255 ] >> i_blue_right) << i_blue_left);
}
for( i_index = 0; i_index < 256; i_index++)
{
p_vout->yuv.yuv.p_gray16[ i_index ] =
((pi_gamma[CLIP_BYTE( i_index )] >> i_red_right) << i_red_left) |
((pi_gamma[CLIP_BYTE( i_index )] >> i_green_right) << i_green_left) |
((pi_gamma[CLIP_BYTE( i_index )] >> i_blue_right) << i_blue_left);
((pi_gamma[ i_index ] >> i_red_right) << i_red_left) |
((pi_gamma[ i_index ] >> i_green_right) << i_green_left) |
((pi_gamma[ i_index ] >> i_blue_right) << i_blue_left);
}
break;
case 24:
case 32:
p_vout->yuv.yuv.p_gray32 = (u32 *)p_vout->yuv.p_base + GRAY_MARGIN;
for( i_index = -GRAY_MARGIN; i_index < 256 + GRAY_MARGIN; i_index++)
for( i_index = 0; i_index < GRAY_MARGIN; i_index++ )
{
p_vout->yuv.yuv.p_gray32[ -i_index ] =
((pi_gamma[ 0 ] >> i_red_right) << i_red_left) |
((pi_gamma[ 0 ] >> i_green_right) << i_green_left) |
((pi_gamma[ 0 ] >> i_blue_right) << i_blue_left);
p_vout->yuv.yuv.p_gray32[ 256 + i_index ] =
((pi_gamma[ 255 ] >> i_red_right) << i_red_left) |
((pi_gamma[ 255 ] >> i_green_right) << i_green_left) |
((pi_gamma[ 255 ] >> i_blue_right) << i_blue_left);
}
for( i_index = 0; i_index < 256; i_index++)
{
p_vout->yuv.yuv.p_gray32[ i_index ] =
((pi_gamma[CLIP_BYTE( i_index )] >> i_red_right) << i_red_left) |
((pi_gamma[CLIP_BYTE( i_index )] >> i_green_right) << i_green_left) |
((pi_gamma[CLIP_BYTE( i_index )] >> i_blue_right) << i_blue_left);
((pi_gamma[ i_index ] >> i_red_right) << i_red_left) |
((pi_gamma[ i_index ] >> i_green_right) << i_green_left) |
((pi_gamma[ i_index ] >> i_blue_right) << i_blue_left);
}
break;
}
......@@ -492,39 +608,24 @@ static void SetYUV( vout_thread_t *p_vout )
}
/*******************************************************************************
* ConvertY4Gray16: grayscale YUV 4:x:x to RGB 15 or 16 bpp
* SetOffset: build offset array for convertion functions
*******************************************************************************
* This function will build an offset array used in later convertion functions.
* It will also set horizontal and vertical scaling indicators.
*******************************************************************************/
static void ConvertY4Gray16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
static void SetOffset( int i_width, int i_height, int i_pic_width, int i_pic_height,
boolean_t *pb_h_scaling, int *pi_v_scaling, int *p_offset )
{
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
u16 * p_gray; /* base convertion table */
u16 * p_pic_start; /* beginning of the current line for copy */
u16 * p_buffer_start; /* convertion buffer start */
u16 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
p_gray = p_vout->yuv.yuv.p_gray16;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
int i_x; /* x position in destination */
int i_scale_count; /* modulo counter */
/*
* Set scalings
* Prepare horizontal offset array
*/
if( i_pic_width - i_width > 0 )
{
/* Prepare scaling array for horizontal extension */
b_horizontal_scaling = 1;
p_offset = p_offset_start;
*pb_h_scaling = 1;
i_scale_count = i_pic_width;
for( i_x = i_width; i_x--; )
{
......@@ -539,8 +640,7 @@ static void ConvertY4Gray16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y
else if( i_pic_width - i_width < 0 )
{
/* Prepare scaling array for horizontal reduction */
b_horizontal_scaling = 1;
p_offset = p_offset_start;
*pb_h_scaling = 1;
i_scale_count = i_pic_width;
for( i_x = i_pic_width; i_x--; )
{
......@@ -556,20 +656,54 @@ static void ConvertY4Gray16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y
else
{
/* No horizontal scaling: YUV convertion is done directly to picture */
b_horizontal_scaling = 0;
*pb_h_scaling = 0;
}
/*
* Set vertical scaling indicator
*/
if( i_pic_height - i_height > 0 )
{
i_vertical_scaling = 1;
*pi_v_scaling = 1;
}
else if( i_pic_height - i_height < 0 )
{
i_vertical_scaling = -1;
*pi_v_scaling = -1;
}
else
{
i_vertical_scaling = 0;
*pi_v_scaling = 0;
}
}
/*******************************************************************************
* ConvertY4Gray16: grayscale YUV 4:x:x to RGB 15 or 16 bpp
*******************************************************************************/
static void ConvertY4Gray16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_chroma_width; /* chroma width, not used */
u16 * p_gray; /* base convertion table */
u16 * p_pic_start; /* beginning of the current line for copy */
u16 * p_buffer_start; /* convertion buffer start */
u16 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
p_gray = p_vout->yuv.yuv.p_gray16;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
......@@ -604,74 +738,9 @@ static void ConvertY4Gray16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y
*p_buffer++ = p_gray[ *p_y++ ];
}
if( b_horizontal_scaling )
{
/* Horizontal scaling, convertion has been done to buffer.
* Rewind buffer and offset, then copy and scale line */
p_buffer = p_buffer_start;
p_offset = p_offset_start;
for( i_x = i_pic_width / 16; i_x--; )
{
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
}
}
else
{
/* No scaling, convertion has been done directly in picture memory.
* Increment of picture pointer to end of line is still needed */
p_pic += i_pic_width;
}
/* End of line: skip picture to reach beginning of next line */
p_pic += i_pic_line_width;
/*
* Handle vertical scaling. The current line can be copied or next one
* can be ignored.
*/
switch( i_vertical_scaling )
{
case -1: /* vertical scaling factor is < 1 */
while( (i_scale_count -= i_pic_height) >= 0 )
{
/* Height reduction: skip next source line */
p_y += i_width;
i_y++;
}
i_scale_count += i_height;
break;
case 1: /* vertical scaling factor is > 1 */
while( (i_scale_count -= i_height) > 0 )
{
/* Height increment: copy previous picture line */
for( i_x = i_pic_width / 16; i_x--; )
{
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
}
p_pic += i_pic_line_width;
p_pic_start += i_pic_line_width;
}
i_scale_count += i_pic_height;
break;
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(400);
}
}
......@@ -692,7 +761,65 @@ static void ConvertY4Gray32( p_vout_thread_t p_vout, u32 *p_pic, yuv_data_t *p_y
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
//??
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_chroma_width; /* chroma width, not used */
u32 * p_gray; /* base convertion table */
u32 * p_pic_start; /* beginning of the current line for copy */
u32 * p_buffer_start; /* convertion buffer start */
u32 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
p_gray = p_vout->yuv.yuv.p_gray32;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
*/
i_scale_count = i_pic_height;
for( i_y = 0; i_y < i_height; i_y++ )
{
/* Mark beginnning of line for possible later line copy, and initialize
* buffer */
p_pic_start = p_pic;
p_buffer = b_horizontal_scaling ? p_buffer_start : p_pic;
/* Do YUV convertion to buffer - YUV picture is always formed of 16
* pixels wide blocks */
for( i_x = i_width / 16; i_x--; )
{
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
*p_buffer++ = p_gray[ *p_y++ ];
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(400);
}
}
/*******************************************************************************
......@@ -736,60 +863,8 @@ static void ConvertYUV420RGB16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *
p_yuv = p_vout->yuv.yuv.p_rgb16;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
/*
* Set scalings
*/
if( i_pic_width - i_width > 0 )
{
/* Prepare scaling array for horizontal extension */
b_horizontal_scaling = 1;
p_offset = p_offset_start;
i_scale_count = i_pic_width;
for( i_x = i_width; i_x--; )
{
while( (i_scale_count -= i_width) > 0 )
{
*p_offset++ = 0;
}
*p_offset++ = 1;
i_scale_count += i_pic_width;
}
}
else if( i_pic_width - i_width < 0 )
{
/* Prepare scaling array for horizontal reduction */
b_horizontal_scaling = 1;
p_offset = p_offset_start;
i_scale_count = i_pic_width;
for( i_x = i_pic_width; i_x--; )
{
*p_offset = 1;
while( (i_scale_count -= i_pic_width) >= 0 )
{
*p_offset += 1;
}
p_offset++;
i_scale_count += i_width;
}
}
else
{
/* No horizontal scaling: YUV convertion is done directly to picture */
b_horizontal_scaling = 0;
}
if( i_pic_height - i_height > 0 )
{
i_vertical_scaling = 1;
}
else if( i_pic_height - i_height < 0 )
{
i_vertical_scaling = -1;
}
else
{
i_vertical_scaling = 0;
}
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
......@@ -816,106 +891,137 @@ static void ConvertYUV420RGB16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
}
if( b_horizontal_scaling )
{
/* Horizontal scaling, convertion has been done to buffer.
* Rewind buffer and offset, then copy and scale line */
p_buffer = p_buffer_start;
p_offset = p_offset_start;
for( i_x = i_pic_width / 16; i_x--; )
{
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
*p_pic++ = *p_buffer; p_buffer += *p_offset++;
}
}
else
{
/* No scaling, convertion has been done directly in picture memory.
* Increment of picture pointer to end of line is still needed */
p_pic += i_pic_width;
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(420);
}
}
/* If line is odd, rewind U and V samples */
if( !(i_y & 0x1) )
{
p_u -= i_chroma_width;
p_v -= i_chroma_width;
}
/*******************************************************************************
* ConvertYUV422RGB16: color YUV 4:2:2 to RGB 15 or 16 bpp
*******************************************************************************/
static void ConvertYUV422RGB16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_uval, i_vval; /* U and V samples */
int i_red, i_green, i_blue; /* U and V modified samples */
int i_chroma_width; /* chroma width */
u16 * p_yuv; /* base convertion table */
u16 * p_ybase; /* Y dependant convertion table */
u16 * p_pic_start; /* beginning of the current line for copy */
u16 * p_buffer_start; /* convertion buffer start */
u16 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/* End of line: skip picture to reach beginning of next line */
p_pic += i_pic_line_width;
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
i_chroma_width = i_width / 2;
p_yuv = p_vout->yuv.yuv.p_rgb16;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Handle vertical scaling. The current line can be copied or next one
* can be ignored.
* Perform convertion
*/
switch( i_vertical_scaling )
{
case -1: /* vertical scaling factor is < 1 */
while( (i_scale_count -= i_pic_height) >= 0 )
{
/* Height reduction: skip next source line */
p_y += i_width;
if( ++i_y & 0x1 )
{
p_u += i_chroma_width;
p_v += i_chroma_width;
}
}
i_scale_count += i_height;
break;
case 1: /* vertical scaling factor is > 1 */
while( (i_scale_count -= i_height) > 0 )
i_scale_count = i_pic_height;
for( i_y = 0; i_y < i_height; i_y++ )
{
/* Height increment: copy previous picture line */
for( i_x = i_pic_width / 16; i_x--; )
/* Mark beginnning of line for possible later line copy, and initialize
* buffer */
p_pic_start = p_pic;
p_buffer = b_horizontal_scaling ? p_buffer_start : p_pic;
/* Do YUV convertion to buffer - YUV picture is always formed of 16
* pixels wide blocks */
for( i_x = i_width / 16; i_x--; )
{
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
*(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ );
}
p_pic += i_pic_line_width;
p_pic_start += i_pic_line_width;
}
i_scale_count += i_pic_height;
break;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(422);
}
}
/*******************************************************************************
* ConvertYUV422RGB16: color YUV 4:2:2 to RGB 15 or 16 bpp
* ConvertYUV444RGB16: color YUV 4:4:4 to RGB 15 or 16 bpp
*******************************************************************************/
static void ConvertYUV422RGB16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
static void ConvertYUV444RGB16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
//??
}
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_uval, i_vval; /* U and V samples */
int i_red, i_green, i_blue; /* U and V modified samples */
int i_chroma_width; /* chroma width, not used */
u16 * p_yuv; /* base convertion table */
u16 * p_ybase; /* Y dependant convertion table */
u16 * p_pic_start; /* beginning of the current line for copy */
u16 * p_buffer_start; /* convertion buffer start */
u16 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*******************************************************************************
* ConvertYUV444RGB16: color YUV 4:4:4 to RGB 15 or 16 bpp
*******************************************************************************/
static void ConvertYUV444RGB16( p_vout_thread_t p_vout, u16 *p_pic, yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
//??
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
p_yuv = p_vout->yuv.yuv.p_rgb16;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
*/
i_scale_count = i_pic_height;
for( i_y = 0; i_y < i_height; i_y++ )
{
/* Mark beginnning of line for possible later line copy, and initialize
* buffer */
p_pic_start = p_pic;
p_buffer = b_horizontal_scaling ? p_buffer_start : p_pic;
/* Do YUV convertion to buffer - YUV picture is always formed of 16
* pixels wide blocks */
for( i_x = i_width / 16; i_x--; )
{
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(444);
}
}
/*******************************************************************************
......@@ -955,7 +1061,61 @@ static void ConvertYUV420RGB32( p_vout_thread_t p_vout, u32 *p_pic, yuv_data_t *
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
//??
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_uval, i_vval; /* U and V samples */
int i_red, i_green, i_blue; /* U and V modified samples */
int i_chroma_width; /* chroma width */
u32 * p_yuv; /* base convertion table */
u32 * p_ybase; /* Y dependant convertion table */
u32 * p_pic_start; /* beginning of the current line for copy */
u32 * p_buffer_start; /* convertion buffer start */
u32 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
i_chroma_width = i_width / 2;
p_yuv = p_vout->yuv.yuv.p_rgb32;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
*/
i_scale_count = i_pic_height;
for( i_y = 0; i_y < i_height; i_y++ )
{
/* Mark beginnning of line for possible later line copy, and initialize
* buffer */
p_pic_start = p_pic;
p_buffer = b_horizontal_scaling ? p_buffer_start : p_pic;
/* Do YUV convertion to buffer - YUV picture is always formed of 16
* pixels wide blocks */
for( i_x = i_width / 16; i_x--; )
{
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(420);
}
}
/*******************************************************************************
......@@ -965,7 +1125,61 @@ static void ConvertYUV422RGB32( p_vout_thread_t p_vout, u32 *p_pic, yuv_data_t *
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
//??
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_uval, i_vval; /* U and V samples */
int i_red, i_green, i_blue; /* U and V modified samples */
int i_chroma_width; /* chroma width */
u32 * p_yuv; /* base convertion table */
u32 * p_ybase; /* Y dependant convertion table */
u32 * p_pic_start; /* beginning of the current line for copy */
u32 * p_buffer_start; /* convertion buffer start */
u32 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
i_chroma_width = i_width / 2;
p_yuv = p_vout->yuv.yuv.p_rgb32;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
*/
i_scale_count = i_pic_height;
for( i_y = 0; i_y < i_height; i_y++ )
{
/* Mark beginnning of line for possible later line copy, and initialize
* buffer */
p_pic_start = p_pic;
p_buffer = b_horizontal_scaling ? p_buffer_start : p_pic;
/* Do YUV convertion to buffer - YUV picture is always formed of 16
* pixels wide blocks */
for( i_x = i_width / 16; i_x--; )
{
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_Y_PIXEL;
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(422);
}
}
/*******************************************************************************
......@@ -975,7 +1189,60 @@ static void ConvertYUV444RGB32( p_vout_thread_t p_vout, u32 *p_pic, yuv_data_t *
int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
int i_matrix_coefficients )
{
//??
boolean_t b_horizontal_scaling; /* horizontal scaling type */
int i_vertical_scaling; /* vertical scaling type */
int i_x, i_y; /* horizontal and vertical indexes */
int i_scale_count; /* scale modulo counter */
int i_uval, i_vval; /* U and V samples */
int i_red, i_green, i_blue; /* U and V modified samples */
int i_chroma_width; /* chroma width, not used */
u32 * p_yuv; /* base convertion table */
u32 * p_ybase; /* Y dependant convertion table */
u32 * p_pic_start; /* beginning of the current line for copy */
u32 * p_buffer_start; /* convertion buffer start */
u32 * p_buffer; /* convertion buffer pointer */
int * p_offset_start; /* offset array start */
int * p_offset; /* offset array pointer */
/*
* Initialize some values - i_pic_line_width will store the line skip
*/
i_pic_line_width -= i_pic_width;
p_yuv = p_vout->yuv.yuv.p_rgb32;
p_buffer_start = p_vout->yuv.p_buffer;
p_offset_start = p_vout->yuv.p_offset;
SetOffset( i_width, i_height, i_pic_width, i_pic_height,
&b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
/*
* Perform convertion
*/
i_scale_count = i_pic_height;
for( i_y = 0; i_y < i_height; i_y++ )
{
/* Mark beginnning of line for possible later line copy, and initialize
* buffer */
p_pic_start = p_pic;
p_buffer = b_horizontal_scaling ? p_buffer_start : p_pic;
/* Do YUV convertion to buffer - YUV picture is always formed of 16
* pixels wide blocks */
for( i_x = i_width / 16; i_x--; )
{
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
CONVERT_YUV_PIXEL; CONVERT_YUV_PIXEL;
}
/* Do horizontal and vertical scaling */
SCALE_WIDTH;
SCALE_HEIGHT(444);
}
}
//-------------------- walken code follow ---------------------------------------
......@@ -1160,197 +1427,3 @@ static void yuvToRgb24 (unsigned char * Y,
}
}
static void yuvToRgb32 (unsigned char * Y,
unsigned char * U, unsigned char * V,
int * dest, int table[1935], int width)
{
int i;
int u;
int v;
int uvRed;
int uvGreen;
int uvBlue;
int * tableY;
i = width >> 4;
while (i--) {
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
}
i = (width & 15) >> 1;
while (i--) {
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
}
if (width & 1) {
u = *(U++);
v = *(V++);
uvRed = (V_RED_COEF*v) >> SHIFT;
uvGreen = (U_GREEN_COEF*u + V_GREEN_COEF*v) >> SHIFT;
uvBlue = (U_BLUE_COEF*u) >> SHIFT;
tableY = table + *(Y++);
*(dest++) = (tableY [1501 - ((V_RED_COEF*128)>>SHIFT) + uvRed] |
tableY [135 - (((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) +
uvGreen] |
tableY [818 - ((U_BLUE_COEF*128)>>SHIFT) + uvBlue]);
}
}
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