+++ /dev/null
-/*****************************************************************************
- * video_yuv.c: YUV transformation functions
- * 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 "defs.h"
-
-#include <math.h> /* exp(), pow() */
-#include <errno.h> /* ENOMEM */
-#include <stdlib.h> /* free() */
-#include <string.h> /* strerror() */
-
-#include "config.h"
-#include "common.h"
-#include "threads.h"
-#include "mtime.h"
-#include "plugins.h"
-#include "video.h"
-#include "video_output.h"
-#include "video_yuv.h"
-
-#include "intf_msg.h"
-
-/*****************************************************************************
- * vout_InitYUV: allocate and initialize translations tables
- *****************************************************************************
- * This function will allocate memory to store translation tables, depending
- * of the screen depth.
- *****************************************************************************/
-int yuv_CInit( vout_thread_t *p_vout )
-{
-
- /* Initialize tables */
- SetSDLYUV( p_vout );
- return( 0 );
-}
-
-/*****************************************************************************
- * yuv_CEnd: destroy translations tables
- *****************************************************************************
- * Free memory allocated by yuv_CCreate.
- *****************************************************************************/
-void yuv_CEnd( vout_thread_t *p_vout )
-{
- free( p_vout->yuv.p_base );
- free( p_vout->yuv.p_buffer );
- free( p_vout->yuv.p_offset );
-}
-
-/*****************************************************************************
- * yuv_CReset: re-initialize translations tables
- *****************************************************************************
- * This function will initialize the tables allocated by vout_CreateTables and
- * set functions pointers.
- *****************************************************************************/
-int yuv_CReset( vout_thread_t *p_vout )
-{
- yuv_CEnd( p_vout );
- return( yuv_CInit( p_vout ) );
-}
-
-/* following functions are local */
-
-/*****************************************************************************
- * SetYUV: compute tables and set function pointers
-+ *****************************************************************************/
-void SetSDLYUV( vout_thread_t *p_vout )
-{
- /*
- * Set functions pointers
- */
- if( p_vout->b_grayscale )
- {
- /* Grayscale */
- switch( p_vout->i_bytes_per_pixel )
- {
- case 1:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) Convert8;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) Convert8;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) Convert8;
- break;
- case 2:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) Convert16;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) Convert16;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) Convert16;
- break;
- case 3:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) Convert24;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) Convert24;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) Convert24;
- break;
- case 4:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) Convert32;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) Convert32;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) Convert32;
- break;
- }
- }
- else
- {
- /* Color */
- switch( p_vout->i_bytes_per_pixel )
- {
- case 1:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertRGB8;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertRGB8;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertRGB8;
- break;
- case 2:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertRGB16;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertRGB16;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertRGB16;
- break;
- case 3:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertRGB24;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertRGB24;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertRGB24;
- break;
- case 4:
- p_vout->yuv.p_Convert420 = (vout_yuv_convert_t *) ConvertRGB32;
- p_vout->yuv.p_Convert422 = (vout_yuv_convert_t *) ConvertRGB32;
- p_vout->yuv.p_Convert444 = (vout_yuv_convert_t *) ConvertRGB32;
- break;
- }
- }
-}
projects / vlc / blobdiff