RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity

added mga_vid support (systemram->videoram tests) 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@573 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-04-22 03:40:45 +00:00
parent cf33c27bb1
commit 5dc6430ec3
1 changed files with 90 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
TOOLS/fastmemcpybench.c
View File

@ -8,11 +8,85 @@
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include "../libvo/fastmemcpy.h"
#define ARR_SIZE 100000
//#define ARR_SIZE 1000000
//#define ARR_SIZE 100000
#define ARR_SIZE (1024*768*2)
#ifdef HAVE_MGA
#include "../drivers/mga_vid.h"
static int mga_next_frame=0;
static mga_vid_config_t mga_vid_config;
static unsigned char* frame=NULL;
static int f;
static int mga_init(){
char *frame_mem;
f = open("/dev/mga_vid",O_RDWR);
if(f == -1)
{
fprintf(stderr,"Couldn't open /dev/mga_vid\n");
return(-1);
}
mga_vid_config.num_frames=1;
mga_vid_config.frame_size=ARR_SIZE;
mga_vid_config.format=MGA_VID_FORMAT_YUY2;
mga_vid_config.colkey_on=0;
mga_vid_config.src_width = 640;
mga_vid_config.src_height= 480;
mga_vid_config.dest_width = 320;
mga_vid_config.dest_height= 200;
mga_vid_config.x_org= 0;
mga_vid_config.y_org= 0;
mga_vid_config.version=MGA_VID_VERSION;
if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config))
{
perror("Error in mga_vid_config ioctl()");
printf("Your mga_vid driver version is incompatible with this MPlayer version!\n");
exit(1);
}
ioctl(f,MGA_VID_ON,0);
frame = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0);
if(!frame){
printf("Can't mmap mga frame\n");
exit(1);
}
//clear the buffer
//memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
return 0;
}
#endif
// Returns current time in microseconds
unsigned int GetTimer(){
struct timeval tv;
struct timezone tz;
// float s;
gettimeofday(&tv,&tz);
// s=tv.tv_usec;s*=0.000001;s+=tv.tv_sec;
return (tv.tv_sec*1000000+tv.tv_usec);
}
static inline unsigned long long int read_tsc( void )
{
@ -27,11 +101,21 @@ int main( void )
{
unsigned long long int v1,v2;
unsigned char * marr1,*marr2;
marr1 = &arr1[1];
marr2 = &arr2[3];
int i;
unsigned int t;
#ifdef HAVE_MGA
mga_init();
marr1 = &frame[3];
#else
marr1 = &arr1[3];
#endif
marr2 = &arr2[9];
t=GetTimer();
v1 = read_tsc();
memcpy(marr1,marr2,ARR_SIZE-4);
for(i=0;i<100;i++) memcpy(marr1,marr2,ARR_SIZE-16);
v2 = read_tsc();
printf("v1 = %llu v2 = %llu v2-v1=%llu\n",v1,v2,v2-v1);
t=GetTimer()-t;
// ARR_SIZE*100/(1024*1024)/(t/1000000) = ARR_SIZE*95.36743/t
printf(NAME": v2-v1=%llu = %dus (%5.3ffps) %5.1fMB/s\n",v2-v1,t,100000000.0f/(float)t,(float)ARR_SIZE*95.36743f/(float)t);
return 0;
}