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/*
* vo_jpeg.c, JPEG Renderer for Mplayer
*
* Copyright 2002 by Pontscho (pontscho@makacs.poliod.hu)
* 25/04/2003: Spring cleanup -- alex
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <jpeglib.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
static vo_info_t info=
{
"JPEG file",
"jpeg",
"Zoltan Ponekker (pontscho@makacs.poliod.hu)",
""
};
LIBVO_EXTERN (jpeg)
static int image_width;
static int image_height;
int jpeg_baseline = 1;
int jpeg_progressive_mode = 0;
int jpeg_optimize = 100;
int jpeg_smooth = 0;
int jpeg_quality = 75;
char * jpeg_outdir = ".";
static int framenum=0;
static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
image_height=height;
image_width=width;
return 0;
}
static uint32_t jpeg_write( uint8_t * name,uint8_t * buffer )
{
FILE * o;
struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
JSAMPROW row_pointer[1];
int row_stride;
if ( !buffer ) return 1;
if ( (o=fopen( name,"wb" )) == NULL ) return 1;
cinfo.err=jpeg_std_error(&jerr);
jpeg_create_compress(&cinfo);
jpeg_stdio_dest( &cinfo,o );
cinfo.image_width=image_width;
cinfo.image_height=image_height;
cinfo.input_components=3;
cinfo.in_color_space=JCS_RGB;
jpeg_set_defaults( &cinfo );
jpeg_set_quality( &cinfo,jpeg_quality,jpeg_baseline );
cinfo.optimize_coding=jpeg_optimize;
cinfo.smoothing_factor=jpeg_smooth;
if ( jpeg_progressive_mode ) jpeg_simple_progression( &cinfo );
jpeg_start_compress( &cinfo,TRUE );
row_stride = image_width * 3;
while ( cinfo.next_scanline < cinfo.image_height )
{
row_pointer[0]=&buffer[ cinfo.next_scanline * row_stride ];
(void)jpeg_write_scanlines( &cinfo,row_pointer,1 );
}
jpeg_finish_compress( &cinfo );
fclose( o );
jpeg_destroy_compress( &cinfo );
return 0;
}
static uint32_t draw_frame(uint8_t * src[])
{
char buf[256];
uint8_t *dst= src[0];
snprintf (buf, 256, "%s/%08d.jpg", jpeg_outdir, ++framenum);
return jpeg_write( buf,src[0] );
}
static void draw_osd(void)
{
}
static void flip_page (void)
{
}
static uint32_t draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y )
{
return 0;
}
static uint32_t query_format(uint32_t format)
{
if (format == IMGFMT_RGB24)
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
return 0;
}
static void uninit(void)
{
}
static void check_events(void)
{
}
static uint32_t preinit(const char *arg)
{
return 0;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request)
{
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
return VO_NOTIMPL;
}
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