add jpeg support for libvo

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5649 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 264 insertions, 0 deletions

diff --git a/libvo/vo_jpeg.c b/libvo/vo_jpeg.c
new file mode 100644
index 0000000000..48c551c270
--- /dev/null
+++ b/libvo/vo_jpeg.c
@@ -0,0 +1,264 @@
+#define DISP
+
+/* 
+ * vo_jpeg.c, JPEG Renderer for Mplayer
+ *
+ * Copyright 2001 by Pontscho (pontscho@makacs.poliod.hu)
+ *
+ */
+
+#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"
+
+#include "../postproc/swscale.h"
+#include "../postproc/rgb2rgb.h"
+
+LIBVO_EXTERN (jpeg)
+
+static vo_info_t vo_info=
+{
+	"JPEG file",
+	"jpeg",
+	"Zoltan Ponekker (pontscho@makacs.poliod.hu)",
+	""
+};
+
+#define RGB 0
+#define BGR 1
+
+extern int verbose;
+static int image_width;
+static int image_height;
+static int image_format;
+static uint8_t *image_data=NULL;
+static unsigned int scale_srcW=0, scale_srcH=0;
+
+int jpeg_baseline = 1;
+int jpeg_progressive_mode = 0;
+int jpeg_optimize = 100;
+int jpeg_smooth = 0;
+int jpeg_quality = 75;
+char * jpeg_outdir;
+
+#define bpp 24
+
+static int cspace=RGB;
+static int framenum=0;
+
+static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
+{
+ vo_draw_alpha_rgb24(w, h, src, srca, stride, image_data + 3 * (y0 * image_width + x0), 3 * image_width);
+}
+
+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,const vo_tune_info_t *info)
+{
+ if ( fullscreen&0x04 && ( width != d_width || height != d_height )&&( ( format == IMGFMT_YV12 ) ) )
+  {
+   // software scaling 
+   image_width=(d_width + 7) & ~7;
+   image_height=d_height;
+   scale_srcW=width;
+   scale_srcH=height;
+   SwScale_Init();
+  }
+   else 
+    {
+     image_height=height;
+     image_width=width;
+    }
+    
+ image_format=format;
+ switch(format) 
+  {
+   case IMGFMT_BGR32:
+        cspace=BGR;
+        image_data=malloc( image_width * image_height * 3 );
+        break;
+   case IMGFMT_BGR24:
+        cspace=BGR;
+        image_data=malloc( image_width * image_height * 3 );
+        break;     
+   case IMGFMT_RGB24:
+        cspace=RGB;
+	break;     
+   case IMGFMT_IYUV:
+   case IMGFMT_I420:
+   case IMGFMT_YV12:
+        cspace=BGR;
+        yuv2rgb_init( bpp,MODE_BGR );
+        image_data=malloc( image_width * image_height * 3 );
+	break;
+   default:
+        return 1;     
+  }		
+    
+ return 0;
+}
+
+static const vo_info_t*
+get_info(void)
+{
+    return &vo_info;
+}
+
+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 );
+
+ jpeg_set_quality( &cinfo,jpeg_quality,jpeg_baseline );
+
+ cinfo.image_width=image_width;
+ cinfo.image_height=image_height;
+ cinfo.input_components=bpp / 8;
+ cinfo.in_color_space=JCS_RGB;
+ cinfo.optimize_coding=jpeg_optimize;
+ cinfo.smoothing_factor=jpeg_smooth;
+ 
+ jpeg_set_defaults( &cinfo );
+ if ( jpeg_progressive_mode ) jpeg_simple_progression( &cinfo );                                  
+ jpeg_start_compress( &cinfo,TRUE );
+
+ row_stride = image_width * ( bpp / 8 );
+ 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];
+    
+ snprintf (buf, 256, "%s/%08d.jpg", jpeg_outdir, ++framenum);
+
+ if ( image_format == IMGFMT_BGR32 )
+  {
+   rgb32to24( src[0],image_data,image_width * image_height * 4 );
+   rgb24tobgr24( image_data,image_data,image_width * image_height * 3 );
+   src[0]=image_data;
+  }
+ if ( image_format == IMGFMT_BGR24 )
+  {
+   rgb24tobgr24( src[0],image_data,image_width * image_height * 3 );
+   src[0]=image_data;
+  }
+ return jpeg_write( buf,src[0] );
+}
+
+static void draw_osd(void)
+{
+ vo_draw_text(image_width, image_height, draw_alpha);
+}
+
+static void flip_page (void)
+{
+ char buf[256];
+  
+ if((image_format == IMGFMT_YV12) || (image_format == IMGFMT_IYUV) || (image_format == IMGFMT_I420))
+  {
+   snprintf (buf, 256, "%s/%08d.jpg", jpeg_outdir, ++framenum);
+   jpeg_write( buf,image_data );
+  }
+}
+
+static uint32_t draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y )
+{
+  // hack: swap planes for I420 ;) -- alex 
+ if ((image_format == IMGFMT_IYUV) || (image_format == IMGFMT_I420))
+  {
+   uint8_t *src_i420[3];
+    
+   src_i420[0]=src[0];
+   src_i420[1]=src[2];
+   src_i420[2]=src[1];
+   src=src_i420;
+  }
+
+ if (scale_srcW) 
+  {
+   uint8_t *dst[3]={image_data, NULL, NULL};
+   SwScale_YV12slice(src,stride,y,h,
+		      dst, image_width*((bpp+7)/8), bpp,
+ 		      scale_srcW, scale_srcH, image_width, image_height);
+   }
+    else 
+     {
+      uint8_t *dst=image_data + (image_width * y + x) * (bpp/8);
+      yuv2rgb(dst,src[0],src[1],src[2],w,h,image_width*(bpp/8),stride[0],stride[1]);
+     }
+  return 0;
+}
+
+static uint32_t query_format(uint32_t format)
+{
+ switch( format )
+  {
+   case IMGFMT_IYUV:
+   case IMGFMT_I420:
+   case IMGFMT_YV12:
+   case IMGFMT_RGB|24:
+   case IMGFMT_BGR|24:
+   case IMGFMT_BGR|32:
+        return 1;
+  }
+ return 0;
+}
+
+static void uninit(void)
+{
+ if ( image_data ) 
+  { 
+   free( image_data );
+   image_data=NULL;
+  }
+}
+
+static void check_events(void)
+{
+}
+
+static uint32_t preinit(const char *arg)
+{
+ if(arg) 
+  {
+   printf("JPEG Unknown subdevice: %s\n",arg);
+   return ENOSYS;
+  }
+ 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;
+}