-/*******************************************************************************
+/*****************************************************************************
* video_yuv.c: YUV transformation functions
- * (c)1999 VideoLAN
- *******************************************************************************
* Provides functions to perform the YUV conversion. The functions provided here
* are a complete and portable C implementation, and may be replaced in certain
* case by optimized functions.
- *******************************************************************************/
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ *
+ * Authors:
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *****************************************************************************/
-/*******************************************************************************
+/*****************************************************************************
* Preamble
- *******************************************************************************/
-#include <errno.h>
-#include <math.h>
-#include <string.h>
-#include <stdlib.h>
+ *****************************************************************************/
+#include "defs.h"
+
+#include <math.h> /* exp(), pow() */
+#include <errno.h> /* ENOMEM */
+#include <stdlib.h> /* free() */
+#include <string.h> /* strerror() */
-#include "common.h"
#include "config.h"
+#include "common.h"
+#include "threads.h"
#include "mtime.h"
-#include "vlc_thread.h"
+#include "plugins.h"
#include "video.h"
#include "video_output.h"
#include "video_yuv.h"
+
#include "intf_msg.h"
-/*******************************************************************************
+/*****************************************************************************
* Constants
- *******************************************************************************/
+ *****************************************************************************/
+
+/* Margins and offsets in conversion tables - Margins are used in case a RGB
+ * RGB conversion would give a value outside the 0-255 range. Offsets have been
+ * calculated to avoid using the same cache line for 2 tables. conversion tables
+ * are 2*MARGIN + 256 long and stores pixels.*/
+#define RED_MARGIN 178
+#define GREEN_MARGIN 135
+#define BLUE_MARGIN 224
+#define RED_OFFSET 1501 /* 1323 to 1935 */
+#define GREEN_OFFSET 135 /* 0 to 526 */
+#define BLUE_OFFSET 818 /* 594 to 1298 */
+#define RGB_TABLE_SIZE 1935 /* total table size */
+
+#define GRAY_MARGIN 384
+#define GRAY_TABLE_SIZE 1024 /* total table size */
+
+#define PALETTE_TABLE_SIZE 2176 /* YUV -> 8bpp palette lookup table */
+
+/* macros used for YUV pixel conversions */
+#define SHIFT 20
+#define U_GREEN_COEF ((int)(-0.391 * (1<<SHIFT) / 1.164))
+#define U_BLUE_COEF ((int)(2.018 * (1<<SHIFT) / 1.164))
+#define V_RED_COEF ((int)(1.596 * (1<<SHIFT) / 1.164))
+#define V_GREEN_COEF ((int)(-0.813 * (1<<SHIFT) / 1.164))
-/* RGB/YUV inversion matrix (ISO/IEC 13818-2 section 6.3.6, table 6.9) */
-const int MATRIX_COEFFICIENTS_TABLE[8][4] =
-{
- {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
- {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
- {104597, 132201, 25675, 53279}, /* unspecified */
- {104597, 132201, 25675, 53279}, /* reserved */
- {104448, 132798, 24759, 53109}, /* FCC */
- {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
- {104597, 132201, 25675, 53279}, /* SMPTE 170M */
- {117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */
-};
-
-/*******************************************************************************
- * Local prototypes
- *******************************************************************************/
-static int BinaryLog ( u32 i );
-static void MaskToShift ( int *pi_right, int *pi_left, u32 i_mask );
-static void SetTables ( vout_thread_t *p_vout );
+//#define NODITHER
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+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 ConvertY4Gray8 ( p_vout_thread_t p_vout, u8 *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 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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertY4Gray24 ( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertY4Gray32 ( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV420RGB8 ( p_vout_thread_t p_vout, u8 *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 ConvertYUV422RGB8 ( p_vout_thread_t p_vout, u8 *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 ConvertYUV444RGB8 ( p_vout_thread_t p_vout, u8 *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 ConvertYUV420RGB16( 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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV420RGB24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV422RGB24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV444RGB24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV420RGB32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV422RGB32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol, int i_scale, int i_matrix_coefficients );
+ 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 ConvertYUV444RGB32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol, int i_scale, 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) )
-
-/*******************************************************************************
- * LINE_COPY macro: memcopy using 16 pixels blocks
- *******************************************************************************
- * Variables:
- * p_pic destination pointer
- * p_pic_src source pointer
- * i_width width
- * i_x index
- *******************************************************************************/
-#define LINE_COPY \
-for( i_x = 0; i_x < i_width; i_x+=16 ) \
-{ \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
- *p_pic++ = *p_pic_src++; \
-}
-
-/*******************************************************************************
- * CONVERT_YUV_GRAY macro: grayscale YUV convertion
- *******************************************************************************
- * Variables:
- * ...see vout_convert_t
- * i_x, i_y coordinates
- * i_pic_copy same type as p_pic
- * p_gray gray translation table
- *******************************************************************************/
-#define CONVERT_YUV_GRAY \
-for (i_y = 0; i_y < i_height ; i_y++) \
-{ \
- for (i_x = 0; i_x < i_width; i_x += 16) \
- { \
- /* Convert 16 pixels (width is always multiple of 16 */ \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- *p_pic++ = p_gray[ *p_y++ ]; \
- } \
- \
- /* Handle scale factor */ \
- if( i_scale && ! (i_y % i_scale) ) \
- { \
- if( i_scale < 0 ) \
- { \
- /* Copy previous line */ \
- p_pic_src = p_pic - i_width; \
- p_pic += i_pic_eol; \
- LINE_COPY \
- } \
- else \
- { \
- /* Ignore next line */ \
- p_y += i_eol + i_width; \
- i_y++; \
- } \
- } \
- \
- /* Skip until beginning of next line */ \
- p_pic += i_pic_eol; \
- p_y += i_eol; \
-}
-
-/*******************************************************************************
- * CONVERT_YUV_RGB: color YUV convertion
- *******************************************************************************
- * Parameters
- * CHROMA 420, 422 or 444
- * Variables:
- * ...see vout_convert_t
- * i_x, i_y coordinates
- * i_uval, i_yval, i_vval samples
- * p_pic_src same type as p_pic
- * i_chroma_width chroma width
- * i_chroma_eol chroma eol
- * p_red red translation table
- * p_green green translation table
- * p_blue blue translation table
- * i_crv, i_cgu, i_cgv, i_cbu matrix coefficients
- *******************************************************************************/
-#define CONVERT_YUV_RGB( CHROMA ) \
-for (i_y = 0; i_y < i_height ; i_y++) \
-{ \
- for (i_x = 0; i_x < i_width; i_x += 2 ) \
- { \
- /* First sample (complete) */ \
- i_yval = 76309 * *p_y++ - 1188177; \
- i_uval = *p_u++ - 128; \
- i_vval = *p_v++ - 128; \
- *p_pic++ = \
- p_red [(i_yval+i_crv*i_vval) >>16] | \
- p_green[(i_yval-i_cgu*i_uval-i_cgv*i_vval) >>16] | \
- p_blue [(i_yval+i_cbu*i_uval) >>16]; \
- i_yval = 76309 * *p_y++ - 1188177; \
- /* Second sample (partial) */ \
- if( CHROMA == 444 ) \
- { \
- i_uval = *p_u++ - 128; \
- i_vval = *p_v++ - 128; \
- } \
- *p_pic++ = \
- p_red [(i_yval+i_crv*i_vval) >>16] | \
- p_green[(i_yval-i_cgu*i_uval-i_cgv*i_vval) >>16] | \
- p_blue [(i_yval+i_cbu*i_uval) >>16]; \
- } \
- \
- /* Handle scale factor and rewind in 4:2:0 */ \
- if( i_scale && ! (i_y % i_scale) ) \
- { \
- if( i_scale < 0 ) \
- { \
- /* Copy previous line, rewind if required */ \
- p_pic_src = p_pic - i_width; \
- p_pic += i_pic_eol; \
- LINE_COPY \
- if( (CHROMA == 420) && !(i_y & 0x1) ) \
- { \
- p_u -= i_chroma_width; \
- p_v -= i_chroma_width; \
- } \
- else \
- { \
- p_u += i_chroma_eol; \
- p_v += i_chroma_eol; \
- } \
- } \
- else \
- { \
- /* Ignore next line */ \
- p_y += i_eol + i_width; \
- p_u += i_chroma_eol; \
- p_v += i_chroma_eol; \
- i_y++; \
- } \
- } \
- else if( (CHROMA == 420) && !(i_y & 0x1) ) \
- { \
- p_u -= i_chroma_width; \
- p_v -= i_chroma_width; \
- } \
- else \
- { \
- p_u += i_chroma_eol; \
- p_v += i_chroma_eol; \
- } \
- \
- /* Skip until beginning of next line */ \
- p_pic += i_pic_eol; \
- p_y += i_eol; \
-}
-
-
-/*******************************************************************************
- * vout_InitTables: allocate and initialize translations tables
- *******************************************************************************
+ int i_width, int i_height, int i_pic_width, int i_pic_height, int i_pic_line_width,
+ int i_matrix_coefficients );
+
+/*****************************************************************************
+ * CONVERT_YUV_PIXEL, CONVERT_Y_PIXEL: pixel conversion blocks
+ *****************************************************************************
+ * These conversion routines are used by YUV conversion functions.
+ * conversion are made from p_y, p_u, p_v, which are modified, to p_buffer,
+ * which is also modified.
+ *****************************************************************************/
+#define CONVERT_Y_PIXEL( BPP ) \
+ /* Only Y sample is present */ \
+ p_ybase = p_yuv + *p_y++; \
+ *p_buffer++ = p_ybase[RED_OFFSET-((V_RED_COEF*128)>>SHIFT) + i_red] | \
+ p_ybase[GREEN_OFFSET-(((U_GREEN_COEF+V_GREEN_COEF)*128)>>SHIFT) \
+ + i_green ] | p_ybase[BLUE_OFFSET-((U_BLUE_COEF*128)>>SHIFT) + i_blue];
+
+#define CONVERT_YUV_PIXEL( BPP ) \
+ /* Y, U and V samples are present */ \
+ i_uval = *p_u++; \
+ i_vval = *p_v++; \
+ i_red = (V_RED_COEF * i_vval) >> SHIFT; \
+ i_green = (U_GREEN_COEF * i_uval + V_GREEN_COEF * i_vval) >> SHIFT; \
+ i_blue = (U_BLUE_COEF * i_uval) >> SHIFT; \
+ CONVERT_Y_PIXEL( BPP ) \
+
+/*****************************************************************************
+ * CONVERT_4YUV_PIXELS, CONVERT_4YUV_PIXELS_SCALE: dither 4 pixels in 8 bpp
+ *****************************************************************************
+ * These macros dither 4 pixels in 8 bpp, with or without horiz. scaling
+ *****************************************************************************/
+#define CONVERT_4YUV_PIXELS( CHROMA ) \
+ *p_pic++ = p_lookup[ \
+ (((*p_y++ + dither10[i_real_y]) >> 4) << 7) \
+ + ((*p_u + dither20[i_real_y]) >> 5) * 9 \
+ + ((*p_v + dither20[i_real_y]) >> 5) ]; \
+ *p_pic++ = p_lookup[ \
+ (((*p_y++ + dither11[i_real_y]) >> 4) << 7) \
+ + ((*p_u++ + dither21[i_real_y]) >> 5) * 9 \
+ + ((*p_v++ + dither21[i_real_y]) >> 5) ]; \
+ *p_pic++ = p_lookup[ \
+ (((*p_y++ + dither12[i_real_y]) >> 4) << 7) \
+ + ((*p_u + dither22[i_real_y]) >> 5) * 9 \
+ + ((*p_v + dither22[i_real_y]) >> 5) ]; \
+ *p_pic++ = p_lookup[ \
+ (((*p_y++ + dither13[i_real_y]) >> 4) << 7) \
+ + ((*p_u++ + dither23[i_real_y]) >> 5) * 9 \
+ + ((*p_v++ + dither23[i_real_y]) >> 5) ]; \
+
+#define CONVERT_4YUV_PIXELS_SCALE( CHROMA ) \
+ *p_pic++ = p_lookup[ \
+ (((*p_y + dither10[i_real_y]) >> 4) << 7) \
+ + ((*p_u + dither20[i_real_y]) >> 5) * 9 \
+ + ((*p_v + dither20[i_real_y]) >> 5) ]; \
+ b_jump_uv = (b_jump_uv + *p_offset) & 0x1; \
+ p_y += *p_offset; \
+ p_u += *p_offset & b_jump_uv; \
+ p_v += *p_offset++ & b_jump_uv; \
+ *p_pic++ = p_lookup[ \
+ (((*p_y + dither11[i_real_y]) >> 4) << 7) \
+ + ((*p_u + dither21[i_real_y]) >> 5) * 9 \
+ + ((*p_v + dither21[i_real_y]) >> 5) ]; \
+ b_jump_uv = (b_jump_uv + *p_offset) & 0x1; \
+ p_y += *p_offset; \
+ p_u += *p_offset & b_jump_uv; \
+ p_v += *p_offset++ & b_jump_uv; \
+ *p_pic++ = p_lookup[ \
+ (((*p_y + dither12[i_real_y]) >> 4) << 7) \
+ + ((*p_u + dither22[i_real_y]) >> 5) * 9 \
+ + ((*p_v + dither22[i_real_y]) >> 5) ]; \
+ b_jump_uv = (b_jump_uv + *p_offset) & 0x1; \
+ p_y += *p_offset; \
+ p_u += *p_offset & b_jump_uv; \
+ p_v += *p_offset++ & b_jump_uv; \
+ *p_pic++ = p_lookup[ \
+ (((*p_y + dither13[i_real_y]) >> 4) << 7) \
+ + ((*p_u + dither23[i_real_y]) >> 5) * 9 \
+ + ((*p_v + dither23[i_real_y]) >> 5) ]; \
+ b_jump_uv = (b_jump_uv + *p_offset) & 0x1; \
+ p_y += *p_offset; \
+ p_u += *p_offset & b_jump_uv; \
+ p_v += *p_offset++ & b_jump_uv; \
+
+/*****************************************************************************
+ * SCALE_WIDTH: scale a line horizontally
+ *****************************************************************************
+ * This macro scales a line using rendering buffer and offset array. It works
+ * for 1, 2 and 4 Bpp.
+ *****************************************************************************/
+#define SCALE_WIDTH \
+ if( b_horizontal_scaling ) \
+ { \
+ /* Horizontal scaling, conversion 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, conversion 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_WIDTH_DITHER: scale a line horizontally for dithered 8 bpp
+ *****************************************************************************
+ * This macro scales a line using an offset array.
+ *****************************************************************************/
+#define SCALE_WIDTH_DITHER( CHROMA ) \
+ if( b_horizontal_scaling ) \
+ { \
+ /* Horizontal scaling, but we can't use a buffer due to dither */ \
+ p_offset = p_offset_start; \
+ b_jump_uv = 0; \
+ for( i_x = i_pic_width / 16; i_x--; ) \
+ { \
+ CONVERT_4YUV_PIXELS_SCALE( CHROMA ) \
+ CONVERT_4YUV_PIXELS_SCALE( CHROMA ) \
+ CONVERT_4YUV_PIXELS_SCALE( CHROMA ) \
+ CONVERT_4YUV_PIXELS_SCALE( CHROMA ) \
+ } \
+ } \
+ else \
+ { \
+ for( i_x = i_width / 16; i_x--; ) \
+ { \
+ CONVERT_4YUV_PIXELS( CHROMA ) \
+ CONVERT_4YUV_PIXELS( CHROMA ) \
+ CONVERT_4YUV_PIXELS( CHROMA ) \
+ CONVERT_4YUV_PIXELS( CHROMA ) \
+ } \
+ } \
+ /* Increment of picture pointer to end of line is still needed */ \
+ p_pic += i_pic_line_width; \
+ i_real_y = (i_real_y + 1) & 0x3; \
+
+/*****************************************************************************
+ * SCALE_HEIGHT: handle vertical scaling
+ *****************************************************************************
+ * This macro handle vertical scaling for a picture. CHROMA may be 420, 422 or
+ * 444 for RGB conversion, or 400 for gray conversion. It works for 1, 2, 3
+ * and 4 Bpp.
+ *****************************************************************************/
+#define SCALE_HEIGHT( CHROMA, BPP ) \
+ /* 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)++ ); \
+ if( BPP > 1 ) /* 2, 3, 4 Bpp */ \
+ { \
+ *(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
+ *(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
+ } \
+ if( BPP > 2 ) /* 3, 4 Bpp */ \
+ { \
+ *(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
+ *(((u64 *) p_pic)++) = *(((u64 *) p_pic_start)++ ); \
+ } \
+ if( BPP > 3 ) /* 4 Bpp */ \
+ { \
+ *(((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; \
+ } \
+
+/*****************************************************************************
+ * SCALE_HEIGHT_DITHER: handle vertical scaling for dithered 8 bpp
+ *****************************************************************************
+ * This macro handles vertical scaling for a picture. CHROMA may be 420, 422 or
+ * 444 for RGB conversion, or 400 for gray conversion.
+ *****************************************************************************/
+#define SCALE_HEIGHT_DITHER( 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 ) \
+ { \
+ SCALE_WIDTH_DITHER( CHROMA ); \
+ p_y -= i_width; \
+ p_u -= i_chroma_width; \
+ p_v -= i_chroma_width; \
+ p_pic += i_pic_line_width; \
+ } \
+ i_scale_count += i_pic_height; \
+ break; \
+ } \
+
+/*****************************************************************************
+ * vout_InitYUV: allocate and initialize translations tables
+ *****************************************************************************
* This function will allocate memory to store translation tables, depending
* of the screen depth.
- *******************************************************************************/
-int vout_InitTables( vout_thread_t *p_vout )
+ *****************************************************************************/
+int vout_InitYUV( vout_thread_t *p_vout )
{
- size_t tables_size; /* tables size, in bytes */
-
- /* Computes tables size */
- switch( p_vout->i_screen_depth )
+ size_t tables_size; /* tables size, in bytes */
+
+ /* Computes tables size - 3 Bpp use 32 bits pixel entries in tables */
+ switch( p_vout->i_bytes_per_pixel )
{
- case 15:
- case 16:
- tables_size = sizeof( u16 ) * 1024 * (p_vout->b_grayscale ? 1 : 3);
- break;
- case 24:
- case 32:
-#ifndef DEBUG
- default:
-#endif
- tables_size = sizeof( u32 ) * 1024 * (p_vout->b_grayscale ? 1 : 3);
- break;
-#ifdef DEBUG
+ case 1:
+ tables_size = sizeof( u8 ) * (p_vout->b_grayscale ? GRAY_TABLE_SIZE : PALETTE_TABLE_SIZE);
+ break;
+ case 2:
+ tables_size = sizeof( u16 ) * (p_vout->b_grayscale ? GRAY_TABLE_SIZE : RGB_TABLE_SIZE);
+ break;
+ case 3:
+ case 4:
default:
- intf_DbgMsg("error: invalid screen depth %d\n", p_vout->i_screen_depth );
- tables_size = 0;
- break;
-#endif
+ tables_size = sizeof( u32 ) * (p_vout->b_grayscale ? GRAY_TABLE_SIZE : RGB_TABLE_SIZE);
+ break;
}
-
+
/* Allocate memory */
- p_vout->tables.p_base = malloc( tables_size );
- if( p_vout->tables.p_base == NULL )
+ p_vout->yuv.p_base = malloc( tables_size );
+ if( p_vout->yuv.p_base == NULL )
+ {
+ intf_ErrMsg("error: %s\n", strerror(ENOMEM));
+ return( 1 );
+ }
+
+ /* Allocate memory for conversion buffer and offset array */
+ p_vout->yuv.p_buffer = malloc( VOUT_MAX_WIDTH * p_vout->i_bytes_per_pixel );
+ if( p_vout->yuv.p_buffer == NULL )
+ {
+ intf_ErrMsg("error: %s\n", strerror(ENOMEM));
+ free( p_vout->yuv.p_base );
+ return( 1 );
+ }
+ p_vout->yuv.p_offset = malloc( p_vout->i_width * sizeof( int ) );
+ if( p_vout->yuv.p_offset == NULL )
{
intf_ErrMsg("error: %s\n", strerror(ENOMEM));
- return( 1 );
+ free( p_vout->yuv.p_base );
+ free( p_vout->yuv.p_buffer );
+ return( 1 );
}
/* Initialize tables */
- SetTables( p_vout );
- return( 0 );
+ SetYUV( p_vout );
+ return( 0 );
}
-/*******************************************************************************
+/*****************************************************************************
* vout_ResetTables: re-initialize translations tables
- *******************************************************************************
+ *****************************************************************************
* This function will initialize the tables allocated by vout_CreateTables and
* set functions pointers.
- *******************************************************************************/
-int vout_ResetTables( vout_thread_t *p_vout )
+ *****************************************************************************/
+int vout_ResetYUV( vout_thread_t *p_vout )
{
- vout_EndTables( p_vout );
- return( vout_InitTables( p_vout ) );
+ vout_EndYUV( p_vout );
+ return( vout_InitYUV( p_vout ) );
}
-/*******************************************************************************
- * vout_EndTables: destroy translations tables
- *******************************************************************************
+/*****************************************************************************
+ * vout_EndYUV: destroy translations tables
+ *****************************************************************************
* Free memory allocated by vout_CreateTables.
- *******************************************************************************/
-void vout_EndTables( vout_thread_t *p_vout )
+ *****************************************************************************/
+void vout_EndYUV( vout_thread_t *p_vout )
{
- free( p_vout->tables.p_base );
+ free( p_vout->yuv.p_base );
+ free( p_vout->yuv.p_buffer );
+ free( p_vout->yuv.p_offset );
}
/* following functions are local */
-/*******************************************************************************
- * BinaryLog: computes the base 2 log of a binary value
- *******************************************************************************
- * This functions is used by MaskToShift during tables initialisation, to
- * get a bit index from a binary value.
- *******************************************************************************/
-static int BinaryLog(u32 i)
+/*****************************************************************************
+ * SetGammaTable: return intensity table transformed by gamma curve.
+ *****************************************************************************
+ * pi_table is a table of 256 entries from 0 to 255.
+ *****************************************************************************/
+static void SetGammaTable( int *pi_table, double f_gamma )
{
- int i_log;
-
- i_log = 0;
- if (i & 0xffff0000)
- {
- i_log = 16;
- }
- if (i & 0xff00ff00)
- {
- i_log += 8;
- }
- if (i & 0xf0f0f0f0)
- {
- i_log += 4;
- }
- if (i & 0xcccccccc)
- {
- i_log += 2;
- }
- if (i & 0xaaaaaaaa)
- {
- i_log++;
- }
- if (i != ((u32)1 << i_log))
- {
- intf_ErrMsg("internal error: binary log overflow\n");
- }
-
- return( i_log );
-}
-
-/*******************************************************************************
- * MaskToShift: Transform a color mask into right and left shifts
- *******************************************************************************
- * This function is used during table initialisation. It can return a value
- *******************************************************************************/
-static void MaskToShift (int *pi_right, int *pi_left, u32 i_mask)
-{
- u32 i_low, i_high; /* lower hand higher bits of the mask */
-
- /* Get bits */
- i_low = i_mask & (- i_mask); /* lower bit of the mask */
- i_high = i_mask + i_low; /* higher bit of the mask */
-
- /* Transform bits into an index */
- i_low = BinaryLog (i_low);
- i_high = BinaryLog (i_high);
+ int i_y; /* base intensity */
- /* Update pointers and return */
- *pi_left = i_low;
- *pi_right = (8 - i_high + i_low);
-}
-
-/*******************************************************************************
- * SetTables: compute tables and set function pointers
- *******************************************************************************/
-static void SetTables( vout_thread_t *p_vout )
-{
- u8 i_gamma[256]; /* gamma table */
- int i_index; /* index in tables */
- int i_red_right, i_red_left; /* red shifts */
- int i_green_right, i_green_left; /* green shifts */
- int i_blue_right, i_blue_left; /* blue shifts */
+ /* Use exp(gamma) instead of gamma */
+ f_gamma = exp( f_gamma );
- /*
- * Build gamma table
- */
- for( i_index = 0; i_index < 256; i_index++ )
+ /* Build gamma table */
+ for( i_y = 0; i_y < 256; i_y++ )
{
- i_gamma[i_index] = 255. * pow( (double)i_index / 255., exp(p_vout->f_gamma) );
+ pi_table[ i_y ] = pow( (double)i_y / 256, f_gamma ) * 256;
}
+ }
- /*
- * Set color masks and shifts
- */
- switch( p_vout->i_screen_depth )
- {
- case 15:
- MaskToShift( &i_red_right, &i_red_left, 0x7c00 );
- MaskToShift( &i_green_right, &i_green_left, 0x03e0 );
- MaskToShift( &i_blue_right, &i_blue_left, 0x001f );
- break;
- case 16:
- MaskToShift( &i_red_right, &i_red_left, 0xf800 );
- MaskToShift( &i_green_right, &i_green_left, 0x07e0 );
- MaskToShift( &i_blue_right, &i_blue_left, 0x001f );
- break;
- case 24:
- case 32:
- MaskToShift( &i_red_right, &i_red_left, 0x00ff0000 );
- MaskToShift( &i_green_right, &i_green_left, 0x0000ff00 );
- MaskToShift( &i_blue_right, &i_blue_left, 0x000000ff );
- break;
-#ifdef DEBUG
- default:
- intf_DbgMsg("error: invalid screen depth %d\n", p_vout->i_screen_depth );
- break;
-#endif
- }
+/*****************************************************************************
+ * SetYUV: compute tables and set function pointers
++ *****************************************************************************/
+static void SetYUV( vout_thread_t *p_vout )
+{
+ int pi_gamma[256]; /* gamma table */
+ int i_index; /* index in tables */
+
+ /* Build gamma table */
+ SetGammaTable( pi_gamma, p_vout->f_gamma );
/*
* Set pointers and build YUV tables
- */
+ */
if( p_vout->b_grayscale )
{
/* Grayscale: build gray table */
- switch( p_vout->i_screen_depth )
+ switch( p_vout->i_bytes_per_pixel )
{
- case 15:
- case 16:
- p_vout->tables.yuv.gray16.p_gray = (u16 *)p_vout->tables.p_base + 384;
- for( i_index = -384; i_index < 640; i_index++)
+ case 1:
{
- p_vout->tables.yuv.gray16.p_gray[ i_index ] =
- ((i_gamma[CLIP_BYTE( i_index )] >> i_red_right) << i_red_left) |
- ((i_gamma[CLIP_BYTE( i_index )] >> i_green_right) << i_green_left) |
- ((i_gamma[CLIP_BYTE( i_index )] >> i_blue_right) << i_blue_left);
+ u16 bright[256], transp[256];
+
+ p_vout->yuv.yuv.p_gray8 = (u8 *)p_vout->yuv.p_base + GRAY_MARGIN;
+ for( i_index = 0; i_index < GRAY_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_gray8[ -i_index ] = RGB2PIXEL( p_vout, pi_gamma[0], pi_gamma[0], pi_gamma[0] );
+ p_vout->yuv.yuv.p_gray8[ 256 + i_index ] = RGB2PIXEL( p_vout, pi_gamma[255], pi_gamma[255], pi_gamma[255] );
+ }
+ for( i_index = 0; i_index < 256; i_index++)
+ {
+ p_vout->yuv.yuv.p_gray8[ i_index ] = pi_gamma[ i_index ];
+ bright[ i_index ] = i_index << 8;
+ transp[ i_index ] = 0;
+ }
+ /* the colors have been allocated, we can set the palette */
+ p_vout->p_set_palette( p_vout, bright, bright, bright, transp );
+ p_vout->i_white_pixel = 0xff;
+ p_vout->i_black_pixel = 0x00;
+ p_vout->i_gray_pixel = 0x44;
+ p_vout->i_blue_pixel = 0x3b;
+
+ break;
}
- break;
- case 24:
- case 32:
- p_vout->tables.yuv.gray32.p_gray = (u32 *)p_vout->tables.p_base + 384;
- for( i_index = -384; i_index < 640; i_index++)
+ case 2:
+ p_vout->yuv.yuv.p_gray16 = (u16 *)p_vout->yuv.p_base + GRAY_MARGIN;
+ for( i_index = 0; i_index < GRAY_MARGIN; i_index++ )
{
- p_vout->tables.yuv.gray32.p_gray[ i_index ] =
- ((i_gamma[CLIP_BYTE( i_index )] >> i_red_right) << i_red_left) |
- ((i_gamma[CLIP_BYTE( i_index )] >> i_green_right) << i_green_left) |
- ((i_gamma[CLIP_BYTE( i_index )] >> i_blue_right) << i_blue_left);
- }
- break;
- }
+ p_vout->yuv.yuv.p_gray16[ -i_index ] = RGB2PIXEL( p_vout, pi_gamma[0], pi_gamma[0], pi_gamma[0] );
+ p_vout->yuv.yuv.p_gray16[ 256 + i_index ] = RGB2PIXEL( p_vout, pi_gamma[255], pi_gamma[255], pi_gamma[255] );
+ }
+ for( i_index = 0; i_index < 256; i_index++)
+ {
+ p_vout->yuv.yuv.p_gray16[ i_index ] = RGB2PIXEL( p_vout, pi_gamma[i_index], pi_gamma[i_index], pi_gamma[i_index] );
+ }
+ break;
+ case 3:
+ case 4:
+ p_vout->yuv.yuv.p_gray32 = (u32 *)p_vout->yuv.p_base + GRAY_MARGIN;
+ for( i_index = 0; i_index < GRAY_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_gray32[ -i_index ] = RGB2PIXEL( p_vout, pi_gamma[0], pi_gamma[0], pi_gamma[0] );
+ p_vout->yuv.yuv.p_gray32[ 256 + i_index ] = RGB2PIXEL( p_vout, pi_gamma[255], pi_gamma[255], pi_gamma[255] );
+ }
+ for( i_index = 0; i_index < 256; i_index++)
+ {
+ p_vout->yuv.yuv.p_gray32[ i_index ] = RGB2PIXEL( p_vout, pi_gamma[i_index], pi_gamma[i_index], pi_gamma[i_index] );
+ }
+ break;
+ }
}
else
{
/* Color: build red, green and blue tables */
- switch( p_vout->i_screen_depth )
+ switch( p_vout->i_bytes_per_pixel )
{
- case 15:
- case 16:
- p_vout->tables.yuv.rgb16.p_red = (u16 *)p_vout->tables.p_base + 384;
- p_vout->tables.yuv.rgb16.p_green = (u16 *)p_vout->tables.p_base + 1024 + 384;
- p_vout->tables.yuv.rgb16.p_blue = (u16 *)p_vout->tables.p_base + 2*1024 + 384;
- for( i_index = -384; i_index < 640; i_index++)
+ case 1:
+ {
+ #define RGB_MIN 0
+ #define RGB_MAX 255
+ #define CLIP( x ) ( ((x < 0) ? 0 : (x > 255) ? 255 : x) << 8 )
+
+ int y,u,v;
+ int r,g,b;
+ int uvr, uvg, uvb;
+ int i = 0, j = 0;
+ u16 red[256], green[256], blue[256], transp[256];
+ unsigned char lookup[PALETTE_TABLE_SIZE];
+
+ p_vout->yuv.yuv.p_rgb8 = (u8 *)p_vout->yuv.p_base;
+
+ /* this loop calculates the intersection of an YUV box
+ * and the RGB cube. */
+ for ( y = 0; y <= 256; y += 16 )
+ {
+ for ( u = 0; u <= 256; u += 32 )
+ for ( v = 0; v <= 256; v += 32 )
+ {
+ uvr = (V_RED_COEF*(v-128)) >> SHIFT;
+ uvg = (U_GREEN_COEF*(u-128) + V_GREEN_COEF*(v-128)) >> SHIFT;
+ uvb = (U_BLUE_COEF*(u-128)) >> SHIFT;
+ r = y + uvr;
+ g = y + uvg;
+ b = y + uvb;
+
+ if( r >= RGB_MIN && g >= RGB_MIN && b >= RGB_MIN
+ && r <= RGB_MAX && g <= RGB_MAX && b <= RGB_MAX )
+ {
+ /* this one should never happen unless someone fscked up my code */
+ if(j == 256) { intf_ErrMsg( "vout error: no colors left to build palette\n" ); break; }
+
+ /* clip the colors */
+ red[j] = CLIP( r );
+ green[j] = CLIP( g );
+ blue[j] = CLIP( b );
+ transp[j] = 0;
+
+ /* allocate color */
+ lookup[i] = 1;
+ p_vout->yuv.yuv.p_rgb8[i++] = j;
+ j++;
+ }
+ else
+ {
+ lookup[i] = 0;
+ p_vout->yuv.yuv.p_rgb8[i++] = 0;
+ }
+ }
+ i += 128-81;
+ }
+
+ /* the colors have been allocated, we can set the palette */
+ /* there will eventually be a way to know which colors
+ * couldn't be allocated and try to find a replacement */
+ p_vout->p_set_palette( p_vout, red, green, blue, transp );
+
+ p_vout->i_white_pixel = 0xff;
+ p_vout->i_black_pixel = 0x00;
+ p_vout->i_gray_pixel = 0x44;
+ p_vout->i_blue_pixel = 0x3b;
+
+ i = 0;
+ /* this loop allocates colors that got outside
+ * the RGB cube */
+ for ( y = 0; y <= 256; y += 16 )
+ {
+ for ( u = 0; u <= 256; u += 32 )
+ for ( v = 0; v <= 256; v += 32 )
+ {
+ int u2, v2;
+ int dist, mindist = 100000000;
+
+ if( lookup[i] || y==0)
+ {
+ i++;
+ continue;
+ }
+
+ /* heavy. yeah. */
+ for( u2 = 0; u2 <= 256; u2 += 32 )
+ for( v2 = 0; v2 <= 256; v2 += 32 )
+ {
+ j = ((y>>4)<<7) + (u2>>5)*9 + (v2>>5);
+ dist = (u-u2)*(u-u2) + (v-v2)*(v-v2);
+ if( lookup[j] )
+ /* find the nearest color */
+ if( dist < mindist )
+ {
+ p_vout->yuv.yuv.p_rgb8[i] = p_vout->yuv.yuv.p_rgb8[j];
+ mindist = dist;
+ }
+ j -= 128;
+ if( lookup[j] )
+ /* find the nearest color */
+ if( dist + 128 < mindist )
+ {
+ p_vout->yuv.yuv.p_rgb8[i] = p_vout->yuv.yuv.p_rgb8[j];
+ mindist = dist + 128;
+ }
+ }
+ i++;
+ }
+ i += 128-81;
+ }
+
+ break;
+ }
+ case 2:
+ p_vout->yuv.yuv.p_rgb16 = (u16 *)p_vout->yuv.p_base;
+ for( i_index = 0; i_index < RED_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_rgb16[RED_OFFSET - RED_MARGIN + i_index] = RGB2PIXEL( p_vout, pi_gamma[0], 0, 0 );
+ p_vout->yuv.yuv.p_rgb16[RED_OFFSET + 256 + i_index] = RGB2PIXEL( p_vout, pi_gamma[255], 0, 0 );
+ }
+ for( i_index = 0; i_index < GREEN_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_rgb16[GREEN_OFFSET - GREEN_MARGIN + i_index] = RGB2PIXEL( p_vout, 0, pi_gamma[0], 0 );
+ p_vout->yuv.yuv.p_rgb16[GREEN_OFFSET + 256 + i_index] = RGB2PIXEL( p_vout, 0, pi_gamma[255], 0 );
+ }
+ for( i_index = 0; i_index < BLUE_MARGIN; i_index++ )
{
- p_vout->tables.yuv.rgb16.p_red[i_index] = (i_gamma[CLIP_BYTE(i_index)]>>i_red_right)<<i_red_left;
- p_vout->tables.yuv.rgb16.p_green[i_index] = (i_gamma[CLIP_BYTE(i_index)]>>i_green_right)<<i_green_left;
- p_vout->tables.yuv.rgb16.p_blue[i_index] = (i_gamma[CLIP_BYTE(i_index)]>>i_blue_right)<<i_blue_left;
+ p_vout->yuv.yuv.p_rgb16[BLUE_OFFSET - BLUE_MARGIN + i_index] = RGB2PIXEL( p_vout, 0, 0, pi_gamma[0] );
+ p_vout->yuv.yuv.p_rgb16[BLUE_OFFSET + BLUE_MARGIN + i_index] = RGB2PIXEL( p_vout, 0, 0, pi_gamma[255] );
}
- break;
- case 24:
- case 32:
- p_vout->tables.yuv.rgb32.p_red = (u32 *)p_vout->tables.p_base + 384;
- p_vout->tables.yuv.rgb32.p_green = (u32 *)p_vout->tables.p_base + 1024 + 384;
- p_vout->tables.yuv.rgb32.p_blue = (u32 *)p_vout->tables.p_base + 2*1024 + 384;
- for( i_index = -384; i_index < 640; i_index++)
+ for( i_index = 0; i_index < 256; i_index++ )
{
- p_vout->tables.yuv.rgb32.p_red[i_index] = (i_gamma[CLIP_BYTE(i_index)]>>i_red_right)<<i_red_left;
- p_vout->tables.yuv.rgb32.p_green[i_index] = (i_gamma[CLIP_BYTE(i_index)]>>i_green_right)<<i_green_left;
- p_vout->tables.yuv.rgb32.p_blue[i_index] = (i_gamma[CLIP_BYTE(i_index)]>>i_blue_right)<<i_blue_left;
+ p_vout->yuv.yuv.p_rgb16[RED_OFFSET + i_index] = RGB2PIXEL( p_vout, pi_gamma[ i_index ], 0, 0 );
+ p_vout->yuv.yuv.p_rgb16[GREEN_OFFSET + i_index] = RGB2PIXEL( p_vout, 0, pi_gamma[ i_index ], 0 );
+ p_vout->yuv.yuv.p_rgb16[BLUE_OFFSET + i_index] = RGB2PIXEL( p_vout, 0, 0, pi_gamma[ i_index ] );
}
- break;
+ break;
+ case 3:
+ case 4:
+ p_vout->yuv.yuv.p_rgb32 = (u32 *)p_vout->yuv.p_base;
+ for( i_index = 0; i_index < RED_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_rgb32[RED_OFFSET - RED_MARGIN + i_index] = RGB2PIXEL( p_vout, pi_gamma[0], 0, 0 );
+ p_vout->yuv.yuv.p_rgb32[RED_OFFSET + 256 + i_index] = RGB2PIXEL( p_vout, pi_gamma[255], 0, 0 );
+ }
+ for( i_index = 0; i_index < GREEN_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_rgb32[GREEN_OFFSET - GREEN_MARGIN + i_index] = RGB2PIXEL( p_vout, 0, pi_gamma[0], 0 );
+ p_vout->yuv.yuv.p_rgb32[GREEN_OFFSET + 256 + i_index] = RGB2PIXEL( p_vout, 0, pi_gamma[255], 0 );
+ }
+ for( i_index = 0; i_index < BLUE_MARGIN; i_index++ )
+ {
+ p_vout->yuv.yuv.p_rgb32[BLUE_OFFSET - BLUE_MARGIN + i_index] = RGB2PIXEL( p_vout, 0, 0, pi_gamma[0] );
+ p_vout->yuv.yuv.p_rgb32[BLUE_OFFSET + BLUE_MARGIN + i_index] = RGB2PIXEL( p_vout, 0, 0, pi_gamma[255] );
+ }
+ for( i_index = 0; i_index < 256; i_index++ )
+ {
+ p_vout->yuv.yuv.p_rgb32[RED_OFFSET + i_index] = RGB2PIXEL( p_vout, pi_gamma[ i_index ], 0, 0 );
+ p_vout->yuv.yuv.p_rgb32[GREEN_OFFSET + i_index] = RGB2PIXEL( p_vout, 0, pi_gamma[ i_index ], 0 );
+ p_vout->yuv.yuv.p_rgb32[BLUE_OFFSET + i_index] = RGB2PIXEL( p_vout, 0, 0, pi_gamma[ i_index ] );
+ }
+ break;
}
- }
-
+ }
+
/*
* Set functions pointers
*/
if( p_vout->b_grayscale )
{
/* Grayscale */
- switch( p_vout->i_screen_depth )
+ switch( p_vout->i_bytes_per_pixel )
{
- case 15:
- case 16:
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray16;
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray16;
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray16;
- break;
- case 24:
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray24;
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray24;
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray24;
- break;
- case 32:
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray32;
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray32;
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertY4Gray32;
- break;
- }
+ case 1:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertY4Gray8;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertY4Gray8;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertY4Gray8;
+ break;
+ case 2:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertY4Gray16;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertY4Gray16;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertY4Gray16;
+ break;
+ case 3:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertY4Gray24;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertY4Gray24;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertY4Gray24;
+ break;
+ case 4:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertY4Gray32;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertY4Gray32;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertY4Gray32;
+ break;
+ }
}
else
{
/* Color */
- switch( p_vout->i_screen_depth )
+ switch( p_vout->i_bytes_per_pixel )
{
- case 15:
- case 16:
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertYUV420RGB16;
- p_vout->p_ConvertYUV422 = (vout_convert_t *) ConvertYUV422RGB16;
- p_vout->p_ConvertYUV444 = (vout_convert_t *) ConvertYUV444RGB16;
- break;
- case 24:
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertYUV420RGB24;
- p_vout->p_ConvertYUV422 = (vout_convert_t *) ConvertYUV422RGB24;
- p_vout->p_ConvertYUV444 = (vout_convert_t *) ConvertYUV444RGB24;
- break;
- case 32:
- p_vout->p_ConvertYUV420 = (vout_convert_t *) ConvertYUV420RGB32;
- p_vout->p_ConvertYUV422 = (vout_convert_t *) ConvertYUV422RGB32;
- p_vout->p_ConvertYUV444 = (vout_convert_t *) ConvertYUV444RGB32;
- break;
+ case 1:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertYUV420RGB8;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertYUV422RGB8;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertYUV444RGB8;
+ break;
+ case 2:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertYUV420RGB16;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertYUV422RGB16;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertYUV444RGB16;
+ break;
+ case 3:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertYUV420RGB24;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertYUV422RGB24;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertYUV444RGB24;
+ break;
+ case 4:
+ p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertYUV420RGB32;
+ p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertYUV422RGB32;
+ p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertYUV444RGB32;
+ break;
}
- }
+ }
}
-/*******************************************************************************
- * 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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * SetOffset: build offset array for conversion functions
+ *****************************************************************************
+ * This function will build an offset array used in later conversion functions.
+ * It will also set horizontal and vertical scaling indicators.
+ *****************************************************************************/
+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 )
{
- u16 * p_pic_src; /* source pointer in case of copy */
- u16 * p_gray; /* gray table */
- int i_x, i_y; /* picture coordinates */
-
- p_gray = p_vout->tables.yuv.gray16.p_gray;
- CONVERT_YUV_GRAY
-}
+ int i_x; /* x position in destination */
+ int i_scale_count; /* modulo counter */
-/*******************************************************************************
- * ConvertY4Gray24: grayscale YUV 4:x:x to RGB 24 bpp
- *******************************************************************************/
-static void ConvertY4Gray24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
-{
- //??
-}
+ /*
+ * Prepare horizontal offset array
+ */
+ if( i_pic_width - i_width > 0 )
+ {
+ /* Prepare scaling array for horizontal extension */
+ *pb_h_scaling = 1;
+ 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 */
+ *pb_h_scaling = 1;
+ 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 conversion is done directly to picture */
+ *pb_h_scaling = 0;
+ }
-/*******************************************************************************
- * ConvertY4Gray32: grayscale YUV 4:x:x to RGB 32 bpp
- *******************************************************************************/
-static void ConvertY4Gray32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
-{
- u32 * p_pic_src; /* source pointer in case of copy */
- u32 * p_gray; /* gray table */
- int i_x, i_y; /* picture coordinates */
-
- p_gray = p_vout->tables.yuv.gray32.p_gray;
- CONVERT_YUV_GRAY
+ /*
+ * Set vertical scaling indicator
+ */
+ if( i_pic_height - i_height > 0 )
+ {
+ *pi_v_scaling = 1;
+ }
+ else if( i_pic_height - i_height < 0 )
+ {
+ *pi_v_scaling = -1;
+ }
+ else
+ {
+ *pi_v_scaling = 0;
+ }
}
-/*******************************************************************************
- * ConvertYUV420RGB16: color YUV 4:2:0 to RGB 15 or 16 bpp
- *******************************************************************************/
-static void ConvertYUV420RGB16( 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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertY4Gray8: grayscale YUV 4:x:x to RGB 8 bpp
+ *****************************************************************************/
+static void ConvertY4Gray8( p_vout_thread_t p_vout, u8 *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 )
{
-#ifdef HAVE_MMX
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
+ 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 */
+ u8 * p_gray; /* base conversion table */
+ u8 * p_pic_start; /* beginning of the current line for copy */
+ u8 * p_buffer_start; /* conversion buffer start */
+ u8 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
- i_chroma_width = i_width / 2;
- i_chroma_eol = i_eol / 2;
- ConvertYUV420RGB16MMX( p_y, p_u, p_v, i_width, i_height,
- (i_width + i_eol) * sizeof( yuv_data_t ),
- (i_chroma_width + i_chroma_eol) * sizeof( yuv_data_t),
- i_scale, (u8 *)p_pic, 0, 0, (i_width + i_pic_eol) * sizeof( u16 ),
- p_vout->i_screen_depth == 15 );
-#else
- u16 * p_pic_src; /* source pointer in case of copy */
- u16 * p_red; /* red table */
- u16 * p_green; /* green table */
- u16 * p_blue; /* blue table */
- int i_uval, i_yval, i_vval; /* samples */
- int i_x, i_y; /* picture coordinates */
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
- int i_crv, i_cbu, i_cgu, i_cgv; /* transformation coefficients */
-
- i_crv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][0];
- i_cbu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][1];
- i_cgu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][2];
- i_cgv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][3];
- p_red = p_vout->tables.yuv.rgb16.p_red;
- p_green = p_vout->tables.yuv.rgb16.p_green;
- p_blue = p_vout->tables.yuv.rgb16.p_blue;
- i_chroma_width = i_width / 2;
- i_chroma_eol = i_eol / 2;
- CONVERT_YUV_RGB( 420 )
-#endif
-}
+ /*
+ * 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_gray8;
+ 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 );
-/*******************************************************************************
- * 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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
-{
- u16 * p_pic_src; /* source pointer in case of copy */
- u16 * p_red; /* red table */
- u16 * p_green; /* green table */
- u16 * p_blue; /* blue table */
- int i_uval, i_yval, i_vval; /* samples */
- int i_x, i_y; /* picture coordinates */
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
- int i_crv, i_cbu, i_cgu, i_cgv; /* transformation coefficients */
-
- i_crv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][0];
- i_cbu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][1];
- i_cgu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][2];
- i_cgv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][3];
- p_red = p_vout->tables.yuv.rgb16.p_red;
- p_green = p_vout->tables.yuv.rgb16.p_green;
- p_blue = p_vout->tables.yuv.rgb16.p_blue;
- i_chroma_width = i_width / 2;
- i_chroma_eol = i_eol / 2;
- CONVERT_YUV_RGB( 422 )
+ /*
+ * Perform conversion
+ */
+ 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 conversion 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, 1);
+ }
}
-/*******************************************************************************
- * 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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertY4Gray16: grayscale YUV 4:x:x to RGB 2 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 )
{
- u16 * p_pic_src; /* source pointer in case of copy */
- u16 * p_red; /* red table */
- u16 * p_green; /* green table */
- u16 * p_blue; /* blue table */
- int i_uval, i_yval, i_vval; /* samples */
- int i_x, i_y; /* picture coordinates */
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
- int i_crv, i_cbu, i_cgu, i_cgv; /* transformation coefficients */
-
- i_crv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][0];
- i_cbu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][1];
- i_cgu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][2];
- i_cgv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][3];
- p_red = p_vout->tables.yuv.rgb16.p_red;
- p_green = p_vout->tables.yuv.rgb16.p_green;
- p_blue = p_vout->tables.yuv.rgb16.p_blue;
- i_chroma_width = i_width;
- i_chroma_eol = i_eol;
- CONVERT_YUV_RGB( 444 )
+ 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 conversion table */
+ u16 * p_pic_start; /* beginning of the current line for copy */
+ u16 * p_buffer_start; /* conversion buffer start */
+ u16 * p_buffer; /* conversion 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 conversion
+ */
+ 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 conversion 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, 2);
+ }
}
-/*******************************************************************************
- * ConvertYUV420RGB24: color YUV 4:2:0 to RGB 24 bpp
- *******************************************************************************/
-static void ConvertYUV420RGB24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertY4Gray24: grayscale YUV 4:x:x to RGB 3 Bpp
+ *****************************************************************************/
+static void ConvertY4Gray24( p_vout_thread_t p_vout, void *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 )
{
- //???
+ /* XXX?? */
}
-/*******************************************************************************
- * ConvertYUV422RGB24: color YUV 4:2:2 to RGB 24 bpp
- *******************************************************************************/
-static void ConvertYUV422RGB24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertY4Gray32: grayscale YUV 4:x:x to RGB 4 Bpp
+ *****************************************************************************/
+static void ConvertY4Gray32( p_vout_thread_t p_vout, u32 *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 */
+ u32 * p_gray; /* base conversion table */
+ u32 * p_pic_start; /* beginning of the current line for copy */
+ u32 * p_buffer_start; /* conversion buffer start */
+ u32 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
-/*******************************************************************************
- * ConvertYUV444RGB24: color YUV 4:4:4 to RGB 24 bpp
- *******************************************************************************/
-static void ConvertYUV444RGB24( p_vout_thread_t p_vout, void *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
-{
- //???
+ /*
+ * 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 conversion
+ */
+ 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 conversion 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, 4);
+ }
}
-/*******************************************************************************
- * ConvertYUV420RGB32: color YUV 4:2:0 to RGB 32 bpp
- *******************************************************************************/
-static void ConvertYUV420RGB32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertYUV420RGB8: color YUV 4:2:0 to RGB 8 bpp
+ *****************************************************************************/
+static void ConvertYUV420RGB8( p_vout_thread_t p_vout, u8 *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 )
{
- u32 * p_pic_src; /* source pointer in case of copy */
- u32 * p_red; /* red table */
- u32 * p_green; /* green table */
- u32 * p_blue; /* blue table */
- int i_uval, i_yval, i_vval; /* samples */
- int i_x, i_y; /* picture coordinates */
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
- int i_crv, i_cbu, i_cgu, i_cgv; /* transformation coefficients */
-
- i_crv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][0];
- i_cbu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][1];
- i_cgu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][2];
- i_cgv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][3];
- p_red = p_vout->tables.yuv.rgb32.p_red;
- p_green = p_vout->tables.yuv.rgb32.p_green;
- p_blue = p_vout->tables.yuv.rgb32.p_blue;
+ 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 b_jump_uv; /* should we jump u and v ? */
+ int i_real_y; /* y % 4 */
+ u8 * p_lookup; /* lookup table */
+ int i_chroma_width; /* chroma width */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
+
+#ifdef NODITHER
+ int dither10[4] = { 0x7, 0x8, 0x7, 0x8 };
+ int dither11[4] = { 0x8, 0x7, 0x8, 0x7 };
+ int dither12[4] = { 0x7, 0x8, 0x7, 0x8 };
+ int dither13[4] = { 0x8, 0x7, 0x8, 0x7 };
+
+ int dither20[4] = { 0xf, 0x10, 0xf, 0x10 };
+ int dither21[4] = { 0x10, 0xf, 0x10, 0xf };
+ int dither22[4] = { 0xf, 0x10, 0xf, 0x10 };
+ int dither23[4] = { 0x10, 0xf, 0x10, 0xf };
+#else
+ int dither10[4] = { 0x0, 0x8, 0x2, 0xa };
+ int dither11[4] = { 0xc, 0x4, 0xe, 0x6 };
+ int dither12[4] = { 0x3, 0xb, 0x1, 0x9 };
+ int dither13[4] = { 0xf, 0x7, 0xd, 0x5 };
+
+ int dither20[4] = { 0x0, 0x10, 0x4, 0x14 };
+ int dither21[4] = { 0x18, 0x8, 0x1c, 0xc };
+ int dither22[4] = { 0x6, 0x16, 0x2, 0x12 };
+ int dither23[4] = { 0x1e, 0xe, 0x1a, 0xa };
+#endif
+
+ /* some other matrices that can be interesting, either for debugging
+ * or for effects :
+ *
+ * { { 0, 8, 2, 10 }, { 12, 4, 14, 16 }, { 3, 11, 1, 9}, {15, 7, 13, 5} }
+ * { { 7, 8, 0, 15 }, { 0, 15, 8, 7 }, { 7, 0, 15, 8 }, { 15, 7, 8, 0 } }
+ * { { 0, 15, 0, 15 }, { 15, 0, 15, 0 }, { 0, 15, 0, 15 }, { 15, 0, 15, 0 } }
+ * { { 15, 15, 0, 0 }, { 15, 15, 0, 0 }, { 0, 0, 15, 15 }, { 0, 0, 15, 15 } }
+ * { { 8, 8, 8, 8 }, { 8, 8, 8, 8 }, { 8, 8, 8, 8 }, { 8, 8, 8, 8 } }
+ * { { 0, 1, 2, 3 }, { 4, 5, 6, 7 }, { 8, 9, 10, 11 }, { 12, 13, 14, 15 } }
+ */
+
+ /*
+ * 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;
- i_chroma_eol = i_eol / 2;
- CONVERT_YUV_RGB( 420 )
+ p_offset_start = p_vout->yuv.p_offset;
+ p_lookup = p_vout->yuv.p_base;
+ SetOffset( i_width, i_height, i_pic_width, i_pic_height,
+ &b_horizontal_scaling, &i_vertical_scaling, p_offset_start );
+
+ /*
+ * Perform conversion
+ */
+ i_scale_count = i_pic_height;
+ i_real_y = 0;
+ for( i_y = 0; i_y < i_height; i_y++ )
+ {
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH_DITHER( 420 );
+ SCALE_HEIGHT_DITHER( 420 );
+ }
}
-/*******************************************************************************
- * ConvertYUV422RGB32: color YUV 4:2:2 to RGB 32 bpp
- *******************************************************************************/
-static void ConvertYUV422RGB32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertYUV422RGB8: color YUV 4:2:2 to RGB 8 bpp
+ *****************************************************************************/
+static void ConvertYUV422RGB8( p_vout_thread_t p_vout, u8 *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 )
{
- u32 * p_pic_src; /* source pointer in case of copy */
- u32 * p_red; /* red table */
- u32 * p_green; /* green table */
- u32 * p_blue; /* blue table */
- int i_uval, i_yval, i_vval; /* samples */
- int i_x, i_y; /* picture coordinates */
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
- int i_crv, i_cbu, i_cgu, i_cgv; /* transformation coefficients */
-
- i_crv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][0];
- i_cbu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][1];
- i_cgu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][2];
- i_cgv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][3];
- p_red = p_vout->tables.yuv.rgb32.p_red;
- p_green = p_vout->tables.yuv.rgb32.p_green;
- p_blue = p_vout->tables.yuv.rgb32.p_blue;
+ 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 */
+ u8 * p_yuv; /* base conversion table */
+ u8 * p_ybase; /* Y dependant conversion table */
+ u8 * p_pic_start; /* beginning of the current line for copy */
+ u8 * p_buffer_start; /* conversion buffer start */
+ u8 * p_buffer; /* conversion 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;
- i_chroma_eol = i_eol / 2;
- CONVERT_YUV_RGB( 422 )
+ p_yuv = p_vout->yuv.yuv.p_rgb8;
+ 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 conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_Y_PIXEL(1);
+ }
+
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(422, 1);
+ }
}
-/*******************************************************************************
- * ConvertYUV444RGB32: color YUV 4:4:4 to RGB 32 bpp
- *******************************************************************************/
-static void ConvertYUV444RGB32( p_vout_thread_t p_vout, u32 *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_eol, int i_pic_eol,
- int i_scale, int i_matrix_coefficients )
+/*****************************************************************************
+ * ConvertYUV444RGB8: color YUV 4:4:4 to RGB 8 bpp
+ *****************************************************************************/
+static void ConvertYUV444RGB8( p_vout_thread_t p_vout, u8 *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 )
{
- u32 * p_pic_src; /* source pointer in case of copy */
- u32 * p_red; /* red table */
- u32 * p_green; /* green table */
- u32 * p_blue; /* blue table */
- int i_uval, i_yval, i_vval; /* samples */
- int i_x, i_y; /* picture coordinates */
- int i_chroma_width, i_chroma_eol; /* width and eol for chroma */
- int i_crv, i_cbu, i_cgu, i_cgv; /* transformation coefficients */
-
- i_crv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][0];
- i_cbu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][1];
- i_cgu = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][2];
- i_cgv = MATRIX_COEFFICIENTS_TABLE[i_matrix_coefficients][3];
- p_red = p_vout->tables.yuv.rgb32.p_red;
- p_green = p_vout->tables.yuv.rgb32.p_green;
- p_blue = p_vout->tables.yuv.rgb32.p_blue;
- i_chroma_width = i_width;
- i_chroma_eol = i_eol;
- CONVERT_YUV_RGB( 444 )
-}
+ 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 */
+ u8 * p_yuv; /* base conversion table */
+ u8 * p_ybase; /* Y dependant conversion table */
+ u8 * p_pic_start; /* beginning of the current line for copy */
+ u8 * p_buffer_start; /* conversion buffer start */
+ u8 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
-//-------------------- walken code follow ---------------------------------------
+ /*
+ * 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_rgb8;
+ 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 );
-/*
- * YUV to RGB routines.
- *
- * these routines calculate r, g and b values from each pixel's y, u and v.
- * these r, g an b values are then passed thru a table lookup to take the
- * gamma curve into account and find the corresponding pixel value.
- *
- * the table must store more than 3*256 values because of the possibility
- * of overflow in the yuv->rgb calculation. actually the calculated r,g,b
- * values are in the following intervals :
- * -176 to 255+176 for red
- * -133 to 255+133 for green
- * -222 to 255+222 for blue
- *
- * If the input y,u,v values are right, the r,g,b results are not expected
- * to move out of the 0 to 255 interval but who knows what will happen in
- * real use...
- *
- * the red, green and blue conversion tables are stored in a single 1935-entry
- * array. The respective positions of each component in the array have been
- * calculated to minimize the cache interactions of the 3 tables.
- */
+ /*
+ * Perform conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ CONVERT_YUV_PIXEL(1); CONVERT_YUV_PIXEL(1);
+ }
-int rgbTable16 (short table [1935],
- int redMask, int greenMask, int blueMask,
- unsigned char gamma[256])
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(444, 1);
+ }
+}
+
+/*****************************************************************************
+ * ConvertYUV420RGB16: color YUV 4:2:0 to RGB 2 Bpp
+ *****************************************************************************/
+static void ConvertYUV420RGB16( 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 )
{
- int redRight;
- int redLeft;
- int greenRight;
- int greenLeft;
- int blueRight;
- int blueLeft;
- short * redTable;
- short * greenTable;
- short * blueTable;
- int i;
- int y;
+#if 0
+ /* MMX version */
+ int i_chroma_width, i_chroma_skip; /* width and eol for chroma */
- MaskToShift (&redRight, &redLeft, redMask);
- MaskToShift (&greenRight, &greenLeft, greenMask);
- MaskToShift (&blueRight, &blueLeft, blueMask);
+ i_chroma_width = i_width / 2;
+ i_chroma_skip = i_skip / 2;
+ ConvertYUV420RGB16MMX( p_y, p_u, p_v, i_width, i_height,
+ (i_width + i_skip) * sizeof( yuv_data_t ),
+ (i_chroma_width + i_chroma_skip) * sizeof( yuv_data_t),
+ i_scale, (u8 *)p_pic, 0, 0, (i_width + i_pic_eol) * sizeof( u16 ),
+ p_vout->i_screen_depth == 15 );
+#endif
+ 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 conversion table */
+ u16 * p_ybase; /* Y dependant conversion table */
+ u16 * p_pic_start; /* beginning of the current line for copy */
+ u16 * p_buffer_start; /* conversion buffer start */
+ u16 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
/*
- * green blue red +- 2 just to be sure
- * green = 0-525 [151-370]
- * blue = 594-1297 [834-1053] <834-29>
- * red = 1323-1934 [1517-1736] <493-712>
+ * 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 );
- redTable = table + 1501;
- greenTable = table + 135;
- blueTable = table + 818;
+ /*
+ * Perform conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ }
- for (i = 0; i < 178; i++) {
- redTable[i-178] = 0;
- redTable[i+256] = redMask;
- }
- for (i = 0; i < 135; i++) {
- greenTable[i-135] = 0;
- greenTable[i+256] = greenMask;
- }
- for (i = 0; i < 224; i++) {
- blueTable[i-224] = 0;
- blueTable[i+256] = blueMask;
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(420, 2);
}
+}
- for (i = 0; i < 256; i++) {
- y = gamma[i];
- redTable[i] = ((y >> redRight) << redLeft);
- greenTable[i] = ((y >> greenRight) << greenLeft);
- blueTable[i] = ((y >> blueRight) << blueLeft);
- }
+/*****************************************************************************
+ * ConvertYUV422RGB16: color YUV 4:2:2 to RGB 2 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 conversion table */
+ u16 * p_ybase; /* Y dependant conversion table */
+ u16 * p_pic_start; /* beginning of the current line for copy */
+ u16 * p_buffer_start; /* conversion buffer start */
+ u16 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
- return 0;
+ /*
+ * 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 );
+
+ /*
+ * Perform conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_Y_PIXEL(2);
+ }
+
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(422, 2);
+ }
}
-static int rgbTable32 (int table [1935],
- int redMask, int greenMask, int blueMask,
- unsigned char gamma[256])
+/*****************************************************************************
+ * ConvertYUV444RGB16: color YUV 4:4:4 to RGB 2 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 )
{
- int redRight;
- int redLeft;
- int greenRight;
- int greenLeft;
- int blueRight;
- int blueLeft;
- int * redTable;
- int * greenTable;
- int * blueTable;
- int i;
- int y;
-
- MaskToShift (&redRight, &redLeft, redMask);
- MaskToShift (&greenRight, &greenLeft, greenMask);
- MaskToShift (&blueRight, &blueLeft, blueMask);
-
+ 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 conversion table */
+ u16 * p_ybase; /* Y dependant conversion table */
+ u16 * p_pic_start; /* beginning of the current line for copy */
+ u16 * p_buffer_start; /* conversion buffer start */
+ u16 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
/*
- * green blue red +- 2 just to be sure
- * green = 0-525 [151-370]
- * blue = 594-1297 [834-1053] <834-29>
- * red = 1323-1934 [1517-1736] <493-712>
+ * 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 );
- redTable = table + 1501;
- greenTable = table + 135;
- blueTable = table + 818;
+ /*
+ * Perform conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ CONVERT_YUV_PIXEL(2); CONVERT_YUV_PIXEL(2);
+ }
- for (i = 0; i < 178; i++) {
- redTable[i-178] = 0;
- redTable[i+256] = redMask;
- }
- for (i = 0; i < 135; i++) {
- greenTable[i-135] = 0;
- greenTable[i+256] = greenMask;
- }
- for (i = 0; i < 224; i++) {
- blueTable[i-224] = 0;
- blueTable[i+256] = blueMask;
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(444, 2);
}
+}
- for (i = 0; i < 256; i++) {
- y = gamma[i];
- redTable[i] = ((y >> redRight) << redLeft);
- greenTable[i] = ((y >> greenRight) << greenLeft);
- blueTable[i] = ((y >> blueRight) << blueLeft);
- }
+/*****************************************************************************
+ * ConvertYUV420RGB24: color YUV 4:2:0 to RGB 3 Bpp
+ *****************************************************************************/
+static void ConvertYUV420RGB24( p_vout_thread_t p_vout, void *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 )
+{
+ /* XXX?? */
+}
- return 0;
+/*****************************************************************************
+ * ConvertYUV422RGB24: color YUV 4:2:2 to RGB 3 Bpp
+ *****************************************************************************/
+static void ConvertYUV422RGB24( p_vout_thread_t p_vout, void *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 )
+{
+ /* XXX?? */
}
-#define SHIFT 20
-#define U_GREEN_COEF ((int)(-0.391 * (1<<SHIFT) / 1.164))
-#define U_BLUE_COEF ((int)(2.018 * (1<<SHIFT) / 1.164))
-#define V_RED_COEF ((int)(1.596 * (1<<SHIFT) / 1.164))
-#define V_GREEN_COEF ((int)(-0.813 * (1<<SHIFT) / 1.164))
-
- void yuvToRgb16 (unsigned char * Y,
- unsigned char * U, unsigned char * V,
- short * dest, short table[1935], int width)
+/*****************************************************************************
+ * ConvertYUV444RGB24: color YUV 4:4:4 to RGB 3 Bpp
+ *****************************************************************************/
+static void ConvertYUV444RGB24( p_vout_thread_t p_vout, void *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 )
{
- int i;
- int u;
- int v;
- int uvRed;
- int uvGreen;
- int uvBlue;
- short * tableY;
+ /* XXX?? */
+}
- 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]);
- }
+/*****************************************************************************
+ * ConvertYUV420RGB32: color YUV 4:2:0 to RGB 4 Bpp
+ *****************************************************************************/
+static void ConvertYUV420RGB32( p_vout_thread_t p_vout, u32 *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 */
+ u32 * p_yuv; /* base conversion table */
+ u32 * p_ybase; /* Y dependant conversion table */
+ u32 * p_pic_start; /* beginning of the current line for copy */
+ u32 * p_buffer_start; /* conversion buffer start */
+ u32 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
- 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]);
- }
+ /*
+ * 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 );
- 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]);
+ /*
+ * Perform conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ }
+
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(420, 4);
}
}
-static void yuvToRgb24 (unsigned char * Y,
- unsigned char * U, unsigned char * V,
- char * dest, int table[1935], int width)
+/*****************************************************************************
+ * ConvertYUV422RGB32: color YUV 4:2:2 to RGB 4 Bpp
+ *****************************************************************************/
+static void ConvertYUV422RGB32( p_vout_thread_t p_vout, u32 *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 )
{
- int i;
- int u;
- int v;
- int uvRed;
- int uvGreen;
- int uvBlue;
- int * tableY;
- int tmp24;
+ 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 conversion table */
+ u32 * p_ybase; /* Y dependant conversion table */
+ u32 * p_pic_start; /* beginning of the current line for copy */
+ u32 * p_buffer_start; /* conversion buffer start */
+ u32 * p_buffer; /* conversion buffer pointer */
+ int * p_offset_start; /* offset array start */
+ int * p_offset; /* offset array pointer */
- i = width >> 3;
- 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++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- tableY = table + *(Y++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- 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++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- tableY = table + *(Y++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- 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++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- tableY = table + *(Y++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- 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++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- tableY = table + *(Y++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
- }
+ /*
+ * 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 );
- i = (width & 7) >> 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++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
-
- tableY = table + *(Y++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
+ /*
+ * Perform conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_Y_PIXEL(4);
+ }
+
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(422, 4);
}
+}
- 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++);
- tmp24 = (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]);
- *(dest++) = tmp24;
- *(dest++) = tmp24 >> 8;
- *(dest++) = tmp24 >> 16;
+/*****************************************************************************
+ * ConvertYUV444RGB32: color YUV 4:4:4 to RGB 4 Bpp
+ *****************************************************************************/
+static void ConvertYUV444RGB32( p_vout_thread_t p_vout, u32 *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 */
+ u32 * p_yuv; /* base conversion table */
+ u32 * p_ybase; /* Y dependant conversion table */
+ u32 * p_pic_start; /* beginning of the current line for copy */
+ u32 * p_buffer_start; /* conversion buffer start */
+ u32 * p_buffer; /* conversion 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 conversion
+ */
+ 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 conversion to buffer - YUV picture is always formed of 16
+ * pixels wide blocks */
+ for( i_x = i_width / 16; i_x--; )
+ {
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ CONVERT_YUV_PIXEL(4); CONVERT_YUV_PIXEL(4);
+ }
+
+ /* Do horizontal and vertical scaling */
+ SCALE_WIDTH;
+ SCALE_HEIGHT(444, 4);
}
}
-static void yuvToRgb32 (unsigned char * Y,
- unsigned char * U, unsigned char * V,
- int * dest, int table[1935], int width)
+/*-------------------- walken code follows ----------------------------------*/
+
+/*
+ * YUV to RGB routines.
+ *
+ * these routines calculate r, g and b values from each pixel's y, u and v.
+ * these r, g an b values are then passed thru a table lookup to take the
+ * gamma curve into account and find the corresponding pixel value.
+ *
+ * the table must store more than 3*256 values because of the possibility
+ * of overflow in the yuv->rgb calculation. actually the calculated r,g,b
+ * values are in the following intervals :
+ * -176 to 255+176 for red
+ * -133 to 255+133 for green
+ * -222 to 255+222 for blue
+ *
+ * If the input y,u,v values are right, the r,g,b results are not expected
+ * to move out of the 0 to 255 interval but who knows what will happen in
+ * real use...
+ *
+ * the red, green and blue conversion tables are stored in a single 1935-entry
+ * array. The respective positions of each component in the array have been
+ * calculated to minimize the cache interactions of the 3 tables.
+ */
+
+#if 0
+/* XXX?? */
+static void yuvToRgb24 (unsigned char * Y,
+ unsigned char * U, unsigned char * V,
+ char * dest, int table[1935], int width)
{
int i;
int u;
int uvGreen;
int uvBlue;
int * tableY;
+ int tmp24;
- i = width >> 4;
+ i = width >> 3;
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]);
+ 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++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ tableY = table + *(Y++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ 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++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ tableY = table + *(Y++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ 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++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ tableY = table + *(Y++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ 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++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ tableY = table + *(Y++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
}
- i = (width & 15) >> 1;
+ i = (width & 7) >> 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]);
+ 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++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
+
+ tableY = table + *(Y++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
}
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]);
+ 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++);
+ tmp24 = (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]);
+ *(dest++) = tmp24;
+ *(dest++) = tmp24 >> 8;
+ *(dest++) = tmp24 >> 16;
}
}
-
-/* API routines */
-
+#endif
projects / vlc / blobdiff