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multi buffering added (modify NUM_BUFFERS in the source)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@677 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-05-01 01:32:59 +00:00
parent b73584e991
commit 7b561a171d
1 changed files with 23 additions and 15 deletions
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38
libvo/vo_xv.c
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@ -1,4 +1,6 @@
#define NUM_BUFFERS 1
/*
* vo_xv.c, X11 Xv interface
*
@ -61,7 +63,9 @@ static unsigned int ver,rel,req,ev,err;
static unsigned int formats, adaptors,i,xv_port,xv_format;
static XvAdaptorInfo *ai;
static XvImageFormatValues *fo;
static XvImage *xvimage[1];
static int current_buf=0;
static XvImage* xvimage[NUM_BUFFERS];
#include <sys/ipc.h>
#include <sys/shm.h>
@ -69,7 +73,7 @@ static XvImage *xvimage[1];
static int Shmem_Flag;
static int Quiet_Flag;
static XShmSegmentInfo Shminfo[1];
static XShmSegmentInfo Shminfo[NUM_BUFFERS];
static int gXErrorFlag;
static int CompletionType = -1;
@ -185,7 +189,10 @@ static uint32_t init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t
{
printf( "using Xvideo port %d for hw scaling\n",xv_port );
allocate_xvimage(0);
for(current_buf=0;current_buf<NUM_BUFFERS;++current_buf)
allocate_xvimage(current_buf);
current_buf=0;
XGetGeometry( mydisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
@ -267,14 +274,14 @@ static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
vo_draw_alpha_yv12(w,h,src,srca,stride,xvimage[0]->data+image_width*y0+x0,image_width);
vo_draw_alpha_yv12(w,h,src,srca,stride,xvimage[current_buf]->data+image_width*y0+x0,image_width);
break;
case IMGFMT_YUY2:
case IMGFMT_YVYU:
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[0]->data+2*(image_width*y0+x0),2*image_width);
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[current_buf]->data+2*(image_width*y0+x0),2*image_width);
break;
case IMGFMT_UYVY:
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[0]->data+2*(image_width*y0+x0)+1,2*image_width);
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[current_buf]->data+2*(image_width*y0+x0)+1,2*image_width);
break;
}
@ -284,11 +291,12 @@ static void flip_page(void)
{
vo_draw_text(image_width,image_height,draw_alpha);
check_events();
XvShmPutImage(mydisplay, xv_port, mywindow, mygc, xvimage[0],
XvShmPutImage(mydisplay, xv_port, mywindow, mygc, xvimage[current_buf],
0, 0, image_width, image_height,
drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight),
False);
XFlush(mydisplay);
current_buf=(current_buf+1)%NUM_BUFFERS;
return;
}
@ -300,7 +308,7 @@ static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int
uint8_t *dst;
int i;
dst = xvimage[0]->data + image_width * y + x;
dst = xvimage[current_buf]->data + image_width * y + x;
src = image[0];
if(w==stride[0] && w==image_width) memcpy(dst,src,w*h);
else
@ -313,7 +321,7 @@ static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int
x/=2;y/=2;w/=2;h/=2;
dst = xvimage[0]->data + image_width * image_height + image_width/2 * y + x;
dst = xvimage[current_buf]->data + image_width * image_height + image_width/2 * y + x;
src = image[2];
if(w==stride[2] && w==image_width/2) memcpy(dst,src,w*h);
else
@ -323,7 +331,7 @@ static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int
src+=stride[2];
dst+=image_width/2;
}
dst = xvimage[0]->data + image_width * image_height * 5 / 4 + image_width/2 * y + x;
dst = xvimage[current_buf]->data + image_width * image_height * 5 / 4 + image_width/2 * y + x;
src = image[1];
if(w==stride[1] && w==image_width/2) memcpy(dst,src,w*h);
else
@ -349,7 +357,7 @@ static uint32_t draw_frame(uint8_t *src[])
#if 0
int i;
unsigned short *s=(unsigned short *)src[0];
unsigned short *d=(unsigned short *)xvimage[0]->data;
unsigned short *d=(unsigned short *)xvimage[current_buf]->data;
s+=image_width*image_height;
for(i=0;i<image_height;i++) {
s-=image_width;
@ -357,7 +365,7 @@ static uint32_t draw_frame(uint8_t *src[])
d+=image_width;
}
#else
memcpy(xvimage[0]->data,src[0],image_width*image_height*2);
memcpy(xvimage[current_buf]->data,src[0],image_width*image_height*2);
#endif
break;
@ -366,9 +374,9 @@ static uint32_t draw_frame(uint8_t *src[])
case IMGFMT_IYUV:
// YV12 planar
memcpy(xvimage[0]->data,src[0],image_width*image_height);
memcpy(xvimage[0]->data+image_width*image_height,src[2],image_width*image_height/4);
memcpy(xvimage[0]->data+image_width*image_height*5/4,src[1],image_width*image_height/4);
memcpy(xvimage[current_buf]->data,src[0],image_width*image_height);
memcpy(xvimage[current_buf]->data+image_width*image_height,src[2],image_width*image_height/4);
memcpy(xvimage[current_buf]->data+image_width*image_height*5/4,src[1],image_width*image_height/4);
break;
}