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/*
* video_out_null.c
* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec 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.
*
* mpeg2dec 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
*/
#include "mpeg2dec_config.h"
#include "plugin.h"
#include "gray.h"
extern struct plugin_api* rb;
#include "mpeg2.h"
#include "video_out.h"
static int image_width;
static int image_height;
static int image_chroma_x;
static int image_chroma_y;
static int output_x;
static int output_y;
static int output_width;
static int output_height;
void vo_draw_frame (uint8_t * const * buf)
{
#ifdef HAVE_LCD_COLOR
rb->lcd_yuv_blit(buf, 0,0,image_width,
output_x,output_y,output_width,output_height);
#else
gray_ub_gray_bitmap_part(buf[0],0,0,image_width,
output_x,output_y,output_width,output_height);
#endif
}
#if LCD_WIDTH >= LCD_HEIGHT
#define SCREEN_WIDTH LCD_WIDTH
#define SCREEN_HEIGHT LCD_HEIGHT
#else /* Assume the screen is rotates on portraid LCDs */
#define SCREEN_WIDTH LCD_HEIGHT
#define SCREEN_HEIGHT LCD_WIDTH
#endif
uint8_t* tmpbufa = 0;
uint8_t* tmpbufb = 0;
uint8_t* tmpbufc = 0;
uint8_t* tmpbuf[3];
void vo_draw_frame_thumb (uint8_t * const * buf)
{
int r,c;
#if LCD_WIDTH >= LCD_HEIGHT
for (r=0;r<image_width/2;r++)
for (c=0;c<image_height/2;c++)
*(tmpbuf[0]+c*image_width/2+r) =
*(buf[0]+2*c*image_width+2*r);
for (r=0;r<image_width/4;r++)
for (c=0;c<image_height/4;c++)
{
*(tmpbuf[1]+c*image_width/4+r) =
*(buf[1]+c*image_width+2*r);
*(tmpbuf[2]+c*image_width/4+r) =
*(buf[2]+c*image_width+2*r);
}
#else
for (r=0;r<image_width/2;r++)
for (c=0;c<image_height/2;c++)
*(tmpbuf[0]+(image_width/2-1-r)*image_height/2+c) =
*(buf[0]+2*c*image_width+2*r);
for (r=0;r<image_width/4;r++)
for (c=0;c<image_height/4;c++)
{
*(tmpbuf[1]+(image_width/4-1-r)*image_height/4+c) =
*(buf[1]+c*image_width+2*r);
*(tmpbuf[2]+(image_width/4-1-r)*image_height/4+c) =
*(buf[2]+c*image_width+2*r);
}
#endif
rb->lcd_clear_display();
rb->lcd_update();
#ifdef HAVE_LCD_COLOR
#ifdef SIMULATOR
#if LCD_WIDTH >= LCD_HEIGHT
rb->lcd_yuv_blit(tmpbuf,0,0,image_width/2,
(LCD_WIDTH-1-image_width/2)/2,
LCD_HEIGHT-50-(image_height/2),
output_width/2,output_height/2);
#else
rb->lcd_yuv_blit(tmpbuf,0,0,image_height/2,
LCD_HEIGHT-50-(image_height/2),
(LCD_WIDTH-1-image_width/2)/2,
output_height/2,output_width/2);
#endif
#else
#if LCD_WIDTH >= LCD_HEIGHT
rb->lcd_yuv_blit(tmpbuf,0,0,image_width/2,
(LCD_WIDTH-1-image_width/2)/2,
LCD_HEIGHT-50-(image_height/2),
output_width/2,output_height/2);
#else
rb->lcd_yuv_blit(tmpbuf,0,0,image_height/2,
LCD_HEIGHT-50-(image_height/2),
(LCD_WIDTH-1-image_width/2)/2,
output_height/2,output_width/2);
#endif
#endif
#else
#if LCD_WIDTH >= LCD_HEIGHT
gray_ub_gray_bitmap_part(tmpbuf[0],0,0,image_width/2,
(LCD_WIDTH-1-image_width/2)/2,
LCD_HEIGHT-50-(image_height/2),
output_width/2,output_height/2);
#else
gray_ub_gray_bitmap_part(tmpbuf[0],0,0,image_height/2,
LCD_HEIGHT-50-(image_height/2),
(LCD_WIDTH-1-image_width/2)/2,
output_height/2,output_width/2);
#endif
#endif
}
void vo_setup(const mpeg2_sequence_t * sequence)
{
image_width=sequence->width;
image_height=sequence->height;
tmpbufa = (uint8_t*)mpeg2_malloc(sizeof(uint8_t)*image_width*
image_height/4, -2);
tmpbufb = (uint8_t*)mpeg2_malloc(sizeof(uint8_t)*image_width*
image_height/16, -2);
tmpbufc = (uint8_t*)mpeg2_malloc(sizeof(uint8_t)*image_width*
image_height/16, -2);
tmpbuf[0] = tmpbufa;
tmpbuf[1] = tmpbufb;
tmpbuf[2] = tmpbufc;
image_chroma_x=image_width/sequence->chroma_width;
image_chroma_y=image_height/sequence->chroma_height;
if (sequence->display_width >= SCREEN_WIDTH) {
output_width = SCREEN_WIDTH;
output_x = 0;
} else {
output_width = sequence->display_width;
output_x = (SCREEN_WIDTH-sequence->display_width)/2;
}
if (sequence->display_height >= SCREEN_HEIGHT) {
output_height = SCREEN_HEIGHT;
output_y = 0;
} else {
output_height = sequence->display_height;
output_y = (SCREEN_HEIGHT-sequence->display_height)/2;
}
}
void vo_cleanup(void)
{
if (tmpbufc)
mpeg2_free(tmpbufc);
if (tmpbufb)
mpeg2_free(tmpbufb);
if (tmpbufa)
mpeg2_free(tmpbufa);
}
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