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Code Issues Releases Wiki Activity

switching double buffering at runtime with -double

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1266 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-07-03 23:22:29 +00:00
parent 7d67da3486
commit 3f9a313700
1 changed files with 9 additions and 3 deletions
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12
libvo/vo_xv.c
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@ -1,5 +1,7 @@
#define NUM_BUFFERS 1
// Number of buffers _FOR_DOUBLEBUFFERING_MODE_
// Use option -double to enable double buffering! (default: single buffer)
#define NUM_BUFFERS 2
/*
* vo_xv.c, X11 Xv interface
@ -11,6 +13,8 @@
* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* Xv image suuport by Gerd Knorr <kraxel@goldbach.in-berlin.de>
* fullscreen support by Pontscho
* double buffering support by A'rpi
*/
#include <stdio.h>
@ -65,6 +69,7 @@ static XvAdaptorInfo *ai;
static XvImageFormatValues *fo;
static int current_buf=0;
static int num_buffers=1; // default
static XvImage* xvimage[NUM_BUFFERS];
#include <sys/ipc.h>
@ -113,6 +118,7 @@ static uint32_t init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t
mFullscreen=flags&1;
dwidth=d_width; dheight=d_height;
num_buffers=vo_doublebuffering?NUM_BUFFERS:1;
if (!vo_init()) return -1;
@ -210,7 +216,7 @@ 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 );
for(current_buf=0;current_buf<NUM_BUFFERS;++current_buf)
for(current_buf=0;current_buf<num_buffers;++current_buf)
allocate_xvimage(current_buf);
current_buf=0;
@ -331,7 +337,7 @@ static void flip_page(void)
drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight),
False);
XFlush(mDisplay);
current_buf=(current_buf+1)%NUM_BUFFERS;
current_buf=(current_buf+1)%num_buffers;
return;
}