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mpv/libvo/vo_xv.c

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// 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
*
* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved.
*
* Hacked into mpeg2dec by
*
* 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>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN(xv)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
#include <errno.h>
#include "x11_common.h"
#include "fastmemcpy.h"
#include "sub.h"
#include "aspect.h"
#include "../postproc/rgb2rgb.h"
static vo_info_t vo_info =
{
"X11/Xv",
"xv",
"Gerd Knorr <kraxel@goldbach.in-berlin.de>",
""
};
extern int verbose;
/* since it doesn't seem to be defined on some platforms */
int XShmGetEventBase(Display*);
/* local data */
static unsigned char *ImageData;
/* X11 related variables */
//static Display *mydisplay;
static Window mywindow;
static GC mygc;
static XImage *myximage;
static int depth, bpp, mode;
static XWindowAttributes attribs;
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvlib.h>
// FIXME: dynamically allocate this stuff
static void allocate_xvimage(int);
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 int current_buf=0;
static int num_buffers=1; // default
static XvImage* xvimage[NUM_BUFFERS];
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
static int Shmem_Flag;
static int Quiet_Flag;
static XShmSegmentInfo Shminfo[NUM_BUFFERS];
static int gXErrorFlag;
static int CompletionType = -1;
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static int flip_flag;
static Window mRoot;
static uint32_t drwX,drwY,drwWidth,drwHeight,drwBorderWidth,drwDepth;
static uint32_t drwcX,drwcY,dwidth,dheight,mFullscreen;
#ifdef HAVE_NEW_GUI
static uint32_t mdwidth,mdheight;
#endif
static void (*draw_alpha_fnc)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
static void draw_alpha_yv12(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_yv12(w,h,src,srca,stride,xvimage[current_buf]->data+image_width*y0+x0,image_width);
}
static void draw_alpha_yuy2(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[current_buf]->data+2*(image_width*y0+x0),2*image_width);
}
static void draw_alpha_uyvy(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_yuy2(w,h,src,srca,stride,xvimage[current_buf]->data+2*(image_width*y0+x0)+1,2*image_width);
}
static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
}
static int __xv_set_video_eq( const vidix_video_eq_t *info,int use_reset)
{
XvAttribute *attributes;
int howmany, xv_min,xv_max,xv_atomka;
static int was_reset = 0;
/* get available attributes */
attributes = XvQueryPortAttributes(mDisplay, xv_port, &howmany);
/* first pass try reset */
if(use_reset)
{
for (i = 0; i < howmany && attributes; i++)
{
if (attributes[i].flags & XvSettable && !strcmp(attributes[i].name,"XV_SET_DEFAULTS"
))
{
was_reset = 1;
if(verbose > 1) printf("vo_xv: reset gamma correction\n");
xv_atomka = XInternAtom(mDisplay, attributes[i].name, True);
XvSetPortAttribute(mDisplay, xv_port, xv_atomka, attributes[i].max_value);
}
}
/* for safety purposes */
if(!was_reset) return ENOSYS;
}
for (i = 0; i < howmany && attributes; i++)
{
if (attributes[i].flags & XvSettable)
{
xv_min = attributes[i].min_value;
xv_max = attributes[i].max_value;
xv_atomka = XInternAtom(mDisplay, attributes[i].name, True);
/* since we have SET_DEFAULTS first in our list, we can check if it's available
then trigger it if it's ok so that the other values are at default upon query */
if (xv_atomka != None)
{
int port_value,port_min,port_max,port_mid;
if(strcmp(attributes[i].name,"XV_BRIGHTNESS") == 0
&& (info->cap & VEQ_CAP_BRIGHTNESS))
port_value = info->brightness;
else
if(strcmp(attributes[i].name,"XV_SATURATION") == 0
&& (info->cap & VEQ_CAP_SATURATION))
port_value = info->saturation;
else
if(strcmp(attributes[i].name,"XV_CONTRAST") == 0
&& (info->cap & VEQ_CAP_CONTRAST))
port_value = info->contrast;
else
if(strcmp(attributes[i].name,"XV_HUE") == 0
&& (info->cap & VEQ_CAP_HUE))
port_value = info->hue;
else
/* Note: since 22.01.2002 GATOS supports these attrs for radeons (NK) */
if(strcmp(attributes[i].name,"XV_RED_INTENSITY") == 0
&& (info->cap & VEQ_CAP_RGB_INTENSITY))
port_value = info->red_intensity;
else
if(strcmp(attributes[i].name,"XV_GREEN_INTENSITY") == 0
&& (info->cap & VEQ_CAP_RGB_INTENSITY))
port_value = info->green_intensity;
else
if(strcmp(attributes[i].name,"XV_BLUE_INTENSITY") == 0
&& (info->cap & VEQ_CAP_RGB_INTENSITY))
port_value = info->blue_intensity;
else continue;
/* means that user has untouched this parameter since
NVidia driver has default == min for XV_HUE but not mid */
if(!port_value && use_reset) continue;
port_min = xv_min;
port_max = xv_max;
port_mid = (port_min + port_max) / 2;
port_value = port_mid + (port_value * (port_max - port_min)) / 2000;
if(verbose > 1)
printf("vo_xv: set gamma %s to %i (min %i max %i mid %i)\n",attributes[i].name,port_value,port_min,port_max,port_mid);
XvSetPortAttribute(mDisplay, xv_port, xv_atomka, port_value);
}
}
}
return 0;
}
static int xv_set_video_eq( const vidix_video_eq_t *info)
{
return __xv_set_video_eq(info,0);
}
static int xv_get_video_eq( vidix_video_eq_t *info)
{
XvAttribute *attributes;
int howmany, xv_min,xv_max,xv_atomka;
/* get available attributes */
memset(info,0,sizeof(vidix_video_eq_t));
attributes = XvQueryPortAttributes(mDisplay, xv_port, &howmany);
for (i = 0; i < howmany && attributes; i++)
{
if (attributes[i].flags & XvGettable)
{
xv_min = attributes[i].min_value;
xv_max = attributes[i].max_value;
xv_atomka = XInternAtom(mDisplay, attributes[i].name, True);
/* since we have SET_DEFAULTS first in our list, we can check if it's available
then trigger it if it's ok so that the other values are at default upon query */
if (xv_atomka != None)
{
int port_value,port_min,port_max,port_mid;
XvGetPortAttribute(mDisplay, xv_port, xv_atomka, &port_value);
if(verbose>1) printf("vo_xv: get: %s = %i\n",attributes[i].name,port_value);
port_min = xv_min;
port_max = xv_max;
port_mid = (port_min + port_max) / 2;
port_value = ((port_value - port_mid)*2000)/(port_max-port_min);
if(verbose>1) printf("vo_xv: assume: %s = %i\n",attributes[i].name,port_value);
if(strcmp(attributes[i].name,"XV_BRIGHTNESS") == 0)
{
info->cap |= VEQ_CAP_BRIGHTNESS;
info->brightness = port_value;
}
else
if(strcmp(attributes[i].name,"XV_SATURATION") == 0)
{
info->cap |= VEQ_CAP_SATURATION;
info->saturation = port_value;
}
else
if(strcmp(attributes[i].name,"XV_CONTRAST") == 0)
{
info->cap |= VEQ_CAP_CONTRAST;
info->contrast = port_value;
}
else
if(strcmp(attributes[i].name,"XV_HUE") == 0)
{
info->cap |= VEQ_CAP_HUE;
info->hue = port_value;
}
else
/* Note: since 22.01.2002 GATOS supports these attrs for radeons (NK) */
if(strcmp(attributes[i].name,"XV_RED_INTENSITY") == 0)
{
info->cap |= VEQ_CAP_RGB_INTENSITY;
info->red_intensity = port_value;
}
else
if(strcmp(attributes[i].name,"XV_GREEN_INTENSITY") == 0)
{
info->cap |= VEQ_CAP_RGB_INTENSITY;
info->green_intensity = port_value;
}
else
if(strcmp(attributes[i].name,"XV_BLUE_INTENSITY") == 0)
{
info->cap |= VEQ_CAP_RGB_INTENSITY;
info->blue_intensity = port_value;
}
else continue;
}
}
}
return 0;
}
extern int vo_gamma_brightness;
extern int vo_gamma_saturation;
extern int vo_gamma_contrast;
extern int vo_gamma_hue;
extern int vo_gamma_red_intensity;
extern int vo_gamma_green_intensity;
extern int vo_gamma_blue_intensity;
static void set_gamma_correction( void )
{
vidix_video_eq_t info;
/* try all */
info.cap = VEQ_CAP_BRIGHTNESS | VEQ_CAP_CONTRAST | VEQ_CAP_SATURATION |
VEQ_CAP_HUE | VEQ_CAP_RGB_INTENSITY;
info.flags = 0; /* doesn't matter for xv */
info.brightness = vo_gamma_brightness;
info.contrast = vo_gamma_contrast;
info.saturation = vo_gamma_saturation;
info.hue = vo_gamma_hue;
info.red_intensity = vo_gamma_red_intensity;
info.green_intensity = vo_gamma_green_intensity;
info.blue_intensity = vo_gamma_blue_intensity;
/* reset with XV_SET_DEFAULTS only once */
__xv_set_video_eq(&info,1);
}
/*
* connect to server, create and map window,
* allocate colors and (shared) memory
*/
static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format,const vo_tune_info_t *info)
{
// int screen;
char *hello = (title == NULL) ? "Xv render" : title;
// char *name = ":0.0";
XSizeHints hint;
XVisualInfo vinfo;
XEvent xev;
XvPortID xv_p;
XGCValues xgcv;
XSetWindowAttributes xswa;
unsigned long xswamask;
#ifdef HAVE_XF86VM
int vm=0;
unsigned int modeline_width, modeline_height;
static uint32_t vm_width;
static uint32_t vm_height;
#endif
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
image_height = height;
image_width = width;
image_format=format;
#ifdef HAVE_NEW_GUI
mdwidth=width;
mdheight=height;
#endif
mFullscreen=flags&1;
if( flags&0x02 ) vm = 1;
flip_flag=flags&8;
num_buffers=vo_doublebuffering?NUM_BUFFERS:1;
if (!vo_init()) return -1;
aspect_save_screenres(vo_screenwidth,vo_screenheight);
#ifdef HAVE_NEW_GUI
if ( vo_window == None )
{
#endif
hint.x = 0;
hint.y = 0;
hint.width = d_width;
hint.height = d_height;
aspect(&d_width,&d_height,A_NOZOOM);
#ifdef HAVE_XF86VM
if ( vm )
{
if ((d_width==0) && (d_height==0))
{ vm_width=image_width; vm_height=image_height; }
else
{ vm_width=d_width; vm_height=d_height; }
vo_vm_switch(vm_width, vm_height,&modeline_width, &modeline_height);
hint.x=(vo_screenwidth-modeline_width)/2;
hint.y=(vo_screenheight-modeline_height)/2;
hint.width=modeline_width;
hint.height=modeline_height;
}
else
#endif
if ( mFullscreen )
{
hint.width=vo_screenwidth;
hint.height=vo_screenheight;
#ifdef X11_FULLSCREEN
/* this code replaces X11_FULLSCREEN hack in mplayer.c
* aspect() is available through aspect.h for all vos.
* besides zooming should only be done with -zoom,
* but I leave the old -fs behaviour so users don't get
* irritated for now (and send lots o' mails ;) ::atmos
*/
aspect(&d_width,&d_height,A_ZOOM);
#endif
}
dwidth=d_width; dheight=d_height; //XXX: what are the copy vars used for?
hint.flags = PPosition | PSize;
XGetWindowAttributes(mDisplay, DefaultRootWindow(mDisplay), &attribs);
depth=attribs.depth;
if (depth != 15 && depth != 16 && depth != 24 && depth != 32) depth = 24;
XMatchVisualInfo(mDisplay, mScreen, depth, TrueColor, &vinfo);
xswa.background_pixel = 0;
xswa.border_pixel = 0;
xswamask = CWBackPixel | CWBorderPixel;
if ( WinID>=0 ){
mywindow = WinID ? ((Window)WinID) : RootWindow(mDisplay,mScreen);
XUnmapWindow( mDisplay,mywindow );
XChangeWindowAttributes( mDisplay,mywindow,xswamask,&xswa );
} else
mywindow = XCreateWindow(mDisplay, RootWindow(mDisplay,mScreen),
hint.x, hint.y, hint.width, hint.height,
0, depth,CopyFromParent,vinfo.visual,xswamask,&xswa);
vo_x11_classhint( mDisplay,mywindow,"xv" );
vo_hidecursor(mDisplay,mywindow);
XSelectInput(mDisplay, mywindow, StructureNotifyMask | KeyPressMask
#ifdef HAVE_NEW_INPUT
| ButtonPressMask | ButtonReleaseMask
#endif
);
XSetStandardProperties(mDisplay, mywindow, hello, hello, None, NULL, 0, &hint);
if ( mFullscreen ) vo_x11_decoration( mDisplay,mywindow,0 );
XMapWindow(mDisplay, mywindow);
#ifdef HAVE_XINERAMA
vo_x11_xinerama_move(mDisplay,mywindow);
#endif
mygc = XCreateGC(mDisplay, mywindow, 0L, &xgcv);
XFlush(mDisplay);
XSync(mDisplay, False);
#ifdef HAVE_XF86VM
if ( vm )
{
/* Grab the mouse pointer in our window */
XGrabPointer(mDisplay, mywindow, True, 0,
GrabModeAsync, GrabModeAsync,
mywindow, None, CurrentTime);
XSetInputFocus(mDisplay, mywindow, RevertToNone, CurrentTime);
}
#endif
#ifdef HAVE_NEW_GUI
}
else
{
mywindow=vo_window;
mygc=vo_gc;
}
#endif
xv_port = 0;
if (Success == XvQueryExtension(mDisplay,&ver,&rel,&req,&ev,&err))
{
/* check for Xvideo support */
if (Success != XvQueryAdaptors(mDisplay,DefaultRootWindow(mDisplay), &adaptors,&ai))
{
printf("Xv: XvQueryAdaptors failed");
return -1;
}
/* check adaptors */
for (i = 0; i < adaptors && xv_port == 0; i++)
{
if ((ai[i].type & XvInputMask) && (ai[i].type & XvImageMask))
for (xv_p = ai[i].base_id; xv_p < ai[i].base_id+ai[i].num_ports; ++xv_p)
if (!XvGrabPort(mDisplay, xv_p, CurrentTime)) {
xv_port = xv_p;
break;
} else {
printf("Xv: could not grab port %i\n", (int)xv_p);
}
}
/* check image formats */
if (xv_port != 0)
{
fo = XvListImageFormats(mDisplay, xv_port, (int*)&formats);
xv_format=0;
if(format==IMGFMT_BGR24) format=IMGFMT_YV12;
for(i = 0; i < formats; i++){
printf("Xvideo image format: 0x%x (%4.4s) %s\n", fo[i].id,(char*)&fo[i].id, (fo[i].format == XvPacked) ? "packed" : "planar");
if (fo[i].id == format) xv_format = fo[i].id;
}
if (!xv_format) xv_port = 0;
}
if (xv_port != 0)
{
printf( "using Xvideo port %d for hw scaling\n",xv_port );
switch (xv_format){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV: draw_alpha_fnc=draw_alpha_yv12; break;
case IMGFMT_YUY2:
case IMGFMT_YVYU: draw_alpha_fnc=draw_alpha_yuy2; break;
case IMGFMT_UYVY: draw_alpha_fnc=draw_alpha_uyvy; break;
default: draw_alpha_fnc=draw_alpha_null;
}
for(current_buf=0;current_buf<num_buffers;++current_buf)
allocate_xvimage(current_buf);
current_buf=0;
#ifdef HAVE_NEW_GUI
if ( vo_window != None )
{
mFullscreen=0;
dwidth=mdwidth; dheight=mdheight;
if ( ( vo_dwidth == vo_screenwidth )&&( vo_dheight == vo_screenheight ) )
{
mFullscreen=1;
dwidth=vo_screenwidth;
dheight=vo_screenwidth * mdheight / mdwidth;
}
}
#endif
set_gamma_correction();
XGetGeometry( mDisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mDisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
printf( "[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
aspect(&dwidth,&dheight,A_NOZOOM);
if ( mFullscreen )
{
aspect(&dwidth,&dheight,A_ZOOM);
drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
drwcX+=drwX;
drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
drwcY+=drwY;
drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
printf( "[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
}
saver_off(mDisplay); // turning off screen saver
return 0;
}
}
printf("Sorry, Xv not supported by this X11 version/driver\n");
printf("******** Try with -vo x11 or -vo sdl *********\n");
return 1;
}
static const vo_info_t * get_info(void)
{ return &vo_info; }
static void allocate_xvimage(int foo)
{
/*
* allocate XvImages. FIXME: no error checking, without
* mit-shm this will bomb...
*/
xvimage[foo] = XvShmCreateImage(mDisplay, xv_port, xv_format, 0, image_width, image_height, &Shminfo[foo]);
Shminfo[foo].shmid = shmget(IPC_PRIVATE, xvimage[foo]->data_size, IPC_CREAT | 0777);
Shminfo[foo].shmaddr = (char *) shmat(Shminfo[foo].shmid, 0, 0);
Shminfo[foo].readOnly = False;
xvimage[foo]->data = Shminfo[foo].shmaddr;
XShmAttach(mDisplay, &Shminfo[foo]);
XSync(mDisplay, False);
shmctl(Shminfo[foo].shmid, IPC_RMID, 0);
memset(xvimage[foo]->data,128,xvimage[foo]->data_size);
return;
}
static void deallocate_xvimage(int foo)
{
XShmDetach( mDisplay,&Shminfo[foo] );
shmdt( Shminfo[foo].shmaddr );
XFlush( mDisplay );
XSync(mDisplay, False);
return;
}
static void check_events(void)
{
int e=vo_x11_check_events(mDisplay);
if(e&VO_EVENT_RESIZE)
{
XGetGeometry( mDisplay,mywindow,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
drwX=0; drwY=0;
XTranslateCoordinates( mDisplay,mywindow,mRoot,0,0,&drwcX,&drwcY,&mRoot );
printf( "[xv] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
#ifdef HAVE_NEW_GUI
if ( vo_window != None )
{
mFullscreen=0;
dwidth=mdwidth; dheight=mdheight;
if ( ( vo_dwidth == vo_screenwidth )&&( vo_dheight == vo_screenheight ) )
{
mFullscreen=1;
dwidth=vo_screenwidth;
dheight=vo_screenwidth * mdheight / mdwidth;
}
}
#endif
aspect(&dwidth,&dheight,A_NOZOOM);
if ( mFullscreen )
{
aspect(&dwidth,&dheight,A_ZOOM);
drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
drwcX+=drwX;
drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
drwcY+=drwY;
drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
printf( "[xv-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
}
}
if ( e & VO_EVENT_EXPOSE )
{
XvShmPutImage(mDisplay, xv_port, mywindow, mygc, xvimage[current_buf], 0, 0, image_width, image_height, drwX, drwY, 1, 1, False);
XvShmPutImage(mDisplay, xv_port, mywindow, mygc, xvimage[current_buf], 0, 0, image_width, image_height, drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight), False);
}
}
static void draw_osd(void)
{ vo_draw_text(image_width,image_height,draw_alpha_fnc);}
static void flip_page(void)
{
XvShmPutImage(mDisplay, xv_port, mywindow, mygc, xvimage[current_buf],
0, 0, image_width, image_height,
drwX,drwY,drwWidth,(mFullscreen?drwHeight - 1:drwHeight),
False);
if (num_buffers>1){
current_buf=(current_buf+1)%num_buffers;
XFlush(mDisplay);
} else
XSync(mDisplay, False);
return;
}
static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
uint8_t *src;
uint8_t *dst;
int i;
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
for(i=0;i<h;i++)
{
memcpy(dst,src,w);
src+=stride[0];
dst+=image_width;
}
x/=2;y/=2;w/=2;h/=2;
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
for(i=0;i<h;i++)
{
memcpy(dst,src,w);
src+=stride[2];
dst+=image_width/2;
}
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
for(i=0;i<h;i++)
{
memcpy(dst,src,w);
src+=stride[1];
dst+=image_width/2;
}
return 0;
}
static uint32_t draw_frame(uint8_t *src[])
{
switch (image_format) {
case IMGFMT_YUY2:
case IMGFMT_UYVY:
case IMGFMT_YVYU:
// YUY2 packed, flipped
#if 0
int i;
unsigned short *s=(unsigned short *)src[0];
unsigned short *d=(unsigned short *)xvimage[current_buf]->data;
s+=image_width*image_height;
for(i=0;i<image_height;i++) {
s-=image_width;
memcpy(d,s,image_width*2);
d+=image_width;
}
#else
memcpy(xvimage[current_buf]->data,src[0],image_width*image_height*2);
#endif
break;
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
// YV12 planar
memcpy(xvimage[current_buf]->data,src[0],image_width*image_height);
if (xv_format == IMGFMT_YV12)
{
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);
}
else
{
memcpy(xvimage[current_buf]->data+image_width*image_height,src[1],image_width*image_height/4);
memcpy(xvimage[current_buf]->data+image_width*image_height*5/4,src[2],image_width*image_height/4);
}
break;
case IMGFMT_BGR24:
if(flip_flag) // tricky, using negative src stride:
rgb24toyv12(src[0]+3*image_width*(image_height-1),
xvimage[current_buf]->data,
xvimage[current_buf]->data+image_width*image_height*5/4,
xvimage[current_buf]->data+image_width*image_height,
image_width,image_height,
image_width,image_width/2,-3*image_width);
else
rgb24toyv12(src[0],
xvimage[current_buf]->data,
xvimage[current_buf]->data+image_width*image_height*5/4,
xvimage[current_buf]->data+image_width*image_height,
image_width,image_height,
image_width,image_width/2,3*image_width);
break;
}
return 0;
}
static uint32_t query_format(uint32_t format)
{
switch(format){
case IMGFMT_YUY2:
case IMGFMT_UYVY:
case IMGFMT_YVYU:
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_BGR24:
// umm, this is a kludge, we need to ask the server.. (see init function above)
return 1;
}
return 0;
}
static void uninit(void)
{
int i;
saver_on(mDisplay); // screen saver back on
#ifdef HAVE_NEW_GUI
if ( vo_window == None )
#endif
{
XDestroyWindow( mDisplay,mywindow );
}
for( i=0;i<num_buffers;i++ ) deallocate_xvimage( i );
#ifdef HAVE_XF86VM
vo_vm_close(mDisplay);
#endif
}
static uint32_t preinit(const char *arg)
{
return 0;
}
static void query_vaa(vo_vaa_t *vaa)
{
memset(vaa,0,sizeof(vo_vaa_t));
vaa->get_video_eq = xv_get_video_eq;
vaa->set_video_eq = xv_set_video_eq;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_VAA:
query_vaa((vo_vaa_t*)data);
return VO_TRUE;
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
return VO_NOTIMPL;
}
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