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mpv/libvo/vo_xv.c

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/* vo_xv.c, X11 Xv interface */
// Number of buffers _FOR_DOUBLEBUFFERING_MODE_
// Use option -double to enable double buffering! (default: single buffer)
#define NUM_BUFFERS 3
/*
Buffer allocation:
-nodr:
1: TEMP
2: 2*TEMP
-dr:
1: TEMP
3: 2*STATIC+TEMP
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "video_out.h"
#include "video_out_internal.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <errno.h>
#include "x11_common.h"
#include "fastmemcpy.h"
#include "sub.h"
#include "aspect.h"
#include "subopt-helper.h"
#include "input/input.h"
#ifdef CONFIG_GUI
#include "gui/interface.h"
#endif
#include "libavutil/common.h"
static const vo_info_t info = {
"X11/Xv",
"xv",
"Gerd Knorr <kraxel@goldbach.in-berlin.de> and others",
""
};
const LIBVO_EXTERN(xv)
#ifdef HAVE_SHM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
static XShmSegmentInfo Shminfo[NUM_BUFFERS];
static int Shmem_Flag;
#endif
// Note: depends on the inclusion of X11/extensions/XShm.h
#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, xv_format;
static XvAdaptorInfo *ai = NULL;
static XvImageFormatValues *fo=NULL;
static int current_buf = 0;
static int current_ip_buf = 0;
static int num_buffers = 1; // default
static int visible_buf = -1; // -1 means: no buffer was drawn yet
static XvImage *xvimage[NUM_BUFFERS];
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static int int_pause;
static uint32_t drwX, drwY;
static uint32_t max_width = 0, max_height = 0; // zero means: not set
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)
{
x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x);
vo_draw_alpha_yv12(w, h, src, srca, stride,
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[0] +
xvimage[current_buf]->pitches[0] * y0 + x0,
xvimage[current_buf]->pitches[0]);
}
static void draw_alpha_yuy2(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x);
vo_draw_alpha_yuy2(w, h, src, srca, stride,
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[0] +
xvimage[current_buf]->pitches[0] * y0 + 2 * x0,
xvimage[current_buf]->pitches[0]);
}
static void draw_alpha_uyvy(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
x0 += image_width * (vo_panscan_x >> 1) / (vo_dwidth + vo_panscan_x);
vo_draw_alpha_yuy2(w, h, src, srca, stride,
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[0] +
xvimage[current_buf]->pitches[0] * y0 + 2 * x0 + 1,
xvimage[current_buf]->pitches[0]);
}
static void draw_alpha_null(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
}
static void deallocate_xvimage(int foo);
/*
* connect to server, create and map window,
* allocate colors and (shared) memory
*/
static int config(uint32_t width, uint32_t height, uint32_t d_width,
uint32_t d_height, uint32_t flags, char *title,
uint32_t format)
{
XVisualInfo vinfo;
XSetWindowAttributes xswa;
XWindowAttributes attribs;
unsigned long xswamask;
int depth;
#ifdef CONFIG_XF86VM
int vm = flags & VOFLAG_MODESWITCHING;
#endif
image_height = height;
image_width = width;
image_format = format;
if ((max_width != 0 && max_height != 0) &&
(image_width > max_width || image_height > max_height))
{
mp_msg( MSGT_VO, MSGL_ERR, MSGTR_VO_XV_ImagedimTooHigh,
image_width, image_height, max_width, max_height);
return -1;
}
int_pause = 0;
visible_buf = -1;
num_buffers =
vo_doublebuffering ? (vo_directrendering ? NUM_BUFFERS : 2) : 1;
/* check image formats */
{
unsigned int i;
xv_format = 0;
for (i = 0; i < formats; i++)
{
mp_msg(MSGT_VO, MSGL_V,
"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)
return -1;
}
#ifdef CONFIG_GUI
if (use_gui)
guiGetEvent(guiSetShVideo, 0); // the GUI will set up / resize the window
else
#endif
{
#ifdef CONFIG_XF86VM
if (vm)
{
vo_vm_switch();
}
#endif
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;
if (xv_ck_info.method == CK_METHOD_BACKGROUND)
{
xswa.background_pixel = xv_colorkey;
}
xswa.border_pixel = 0;
xswamask = CWBackPixel | CWBorderPixel;
vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, vo_dwidth, vo_dheight,
flags, CopyFromParent, "xv", title);
XChangeWindowAttributes(mDisplay, vo_window, xswamask, &xswa);
#ifdef CONFIG_XF86VM
if (vm)
{
/* Grab the mouse pointer in our window */
if (vo_grabpointer)
XGrabPointer(mDisplay, vo_window, True, 0,
GrabModeAsync, GrabModeAsync,
vo_window, None, CurrentTime);
XSetInputFocus(mDisplay, vo_window, RevertToNone, CurrentTime);
}
#endif
}
mp_msg(MSGT_VO, MSGL_V, "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;
}
if (vo_config_count)
for (current_buf = 0; current_buf < num_buffers; ++current_buf)
deallocate_xvimage(current_buf);
for (current_buf = 0; current_buf < num_buffers; ++current_buf)
allocate_xvimage(current_buf);
current_buf = 0;
current_ip_buf = 0;
if ((flags & VOFLAG_FULLSCREEN) && WinID <= 0) vo_fs = 1;
vo_calc_drwXY(&drwX, &drwY);
panscan_calc();
vo_xv_draw_colorkey(drwX - (vo_panscan_x >> 1),
drwY - (vo_panscan_y >> 1),
vo_dwidth + vo_panscan_x - 1,
vo_dheight + vo_panscan_y - 1);
mp_msg(MSGT_VO, MSGL_V, "[xv] dx: %d dy: %d dw: %d dh: %d\n", drwX,
drwY, vo_dwidth, vo_dheight);
return 0;
}
static void allocate_xvimage(int foo)
{
/*
* allocate XvImages. FIXME: no error checking, without
* mit-shm this will bomb... trzing to fix ::atmos
*/
#ifdef HAVE_SHM
if (mLocalDisplay && XShmQueryExtension(mDisplay))
Shmem_Flag = 1;
else
{
Shmem_Flag = 0;
mp_msg(MSGT_VO, MSGL_INFO,
MSGTR_LIBVO_XV_SharedMemoryNotSupported);
}
if (Shmem_Flag)
{
xvimage[foo] =
(XvImage *) XvShmCreateImage(mDisplay, xv_port, xv_format,
NULL, 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);
} else
#endif
{
xvimage[foo] =
(XvImage *) XvCreateImage(mDisplay, xv_port, xv_format, NULL,
image_width, image_height);
xvimage[foo]->data = malloc(xvimage[foo]->data_size);
XSync(mDisplay, False);
}
memset(xvimage[foo]->data, 128, xvimage[foo]->data_size);
return;
}
static void deallocate_xvimage(int foo)
{
#ifdef HAVE_SHM
if (Shmem_Flag)
{
XShmDetach(mDisplay, &Shminfo[foo]);
shmdt(Shminfo[foo].shmaddr);
} else
#endif
{
free(xvimage[foo]->data);
}
XFree(xvimage[foo]);
XSync(mDisplay, False);
return;
}
static inline void put_xvimage( XvImage * xvi )
{
#ifdef HAVE_SHM
if (Shmem_Flag)
{
XvShmPutImage(mDisplay, xv_port, vo_window, vo_gc,
xvi, 0, 0, image_width,
image_height, drwX - (vo_panscan_x >> 1),
drwY - (vo_panscan_y >> 1), vo_dwidth + vo_panscan_x,
vo_dheight + vo_panscan_y,
False);
} else
#endif
{
XvPutImage(mDisplay, xv_port, vo_window, vo_gc,
xvi, 0, 0, image_width, image_height,
drwX - (vo_panscan_x >> 1), drwY - (vo_panscan_y >> 1),
vo_dwidth + vo_panscan_x,
vo_dheight + vo_panscan_y);
}
}
static void check_events(void)
{
int e = vo_x11_check_events(mDisplay);
if (e & VO_EVENT_RESIZE)
{
vo_calc_drwXY(&drwX, &drwY);
}
if (e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE)
{
vo_xv_draw_colorkey(drwX - (vo_panscan_x >> 1),
drwY - (vo_panscan_y >> 1),
vo_dwidth + vo_panscan_x - 1,
vo_dheight + vo_panscan_y - 1);
}
if ((e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) && int_pause)
{
/* did we already draw a buffer */
if ( visible_buf != -1 )
{
/* redraw the last visible buffer */
put_xvimage( xvimage[visible_buf] );
}
}
}
static void draw_osd(void)
{
vo_draw_text(image_width -
image_width * vo_panscan_x / (vo_dwidth + vo_panscan_x),
image_height, draw_alpha_fnc);
}
static void flip_page(void)
{
put_xvimage( xvimage[current_buf] );
/* remember the currently visible buffer */
visible_buf = current_buf;
if (num_buffers > 1)
{
current_buf =
vo_directrendering ? 0 : ((current_buf + 1) % num_buffers);
XFlush(mDisplay);
} else
XSync(mDisplay, False);
return;
}
static int draw_slice(uint8_t * image[], int stride[], int w, int h,
int x, int y)
{
uint8_t *dst;
dst = xvimage[current_buf]->data + xvimage[current_buf]->offsets[0] +
xvimage[current_buf]->pitches[0] * y + x;
memcpy_pic(dst, image[0], w, h, xvimage[current_buf]->pitches[0],
stride[0]);
x /= 2;
y /= 2;
w /= 2;
h /= 2;
dst = xvimage[current_buf]->data + xvimage[current_buf]->offsets[1] +
xvimage[current_buf]->pitches[1] * y + x;
if (image_format != IMGFMT_YV12)
memcpy_pic(dst, image[1], w, h, xvimage[current_buf]->pitches[1],
stride[1]);
else
memcpy_pic(dst, image[2], w, h, xvimage[current_buf]->pitches[1],
stride[2]);
dst = xvimage[current_buf]->data + xvimage[current_buf]->offsets[2] +
xvimage[current_buf]->pitches[2] * y + x;
if (image_format == IMGFMT_YV12)
memcpy_pic(dst, image[1], w, h, xvimage[current_buf]->pitches[1],
stride[1]);
else
memcpy_pic(dst, image[2], w, h, xvimage[current_buf]->pitches[1],
stride[2]);
return 0;
}
static int draw_frame(uint8_t * src[])
{
return VO_ERROR;
}
static uint32_t draw_image(mp_image_t * mpi)
{
if (mpi->flags & MP_IMGFLAG_DIRECT)
{
// direct rendering:
current_buf = (int) (mpi->priv); // hack!
return VO_TRUE;
}
if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
return VO_TRUE; // done
if (mpi->flags & MP_IMGFLAG_PLANAR)
{
draw_slice(mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
return VO_TRUE;
}
if (mpi->flags & MP_IMGFLAG_YUV)
{
// packed YUV:
memcpy_pic(xvimage[current_buf]->data +
xvimage[current_buf]->offsets[0], mpi->planes[0],
mpi->w * (mpi->bpp / 8), mpi->h,
xvimage[current_buf]->pitches[0], mpi->stride[0]);
return VO_TRUE;
}
return VO_FALSE; // not (yet) supported
}
static uint32_t get_image(mp_image_t * mpi)
{
int buf = current_buf; // we shouldn't change current_buf unless we do DR!
if (mpi->type == MP_IMGTYPE_STATIC && num_buffers > 1)
return VO_FALSE; // it is not static
if (mpi->imgfmt != image_format)
return VO_FALSE; // needs conversion :(
// if(mpi->flags&MP_IMGFLAG_READABLE) return VO_FALSE; // slow video ram
if (mpi->flags & MP_IMGFLAG_READABLE &&
(mpi->type == MP_IMGTYPE_IPB || mpi->type == MP_IMGTYPE_IP))
{
// reference (I/P) frame of IP or IPB:
if (num_buffers < 2)
return VO_FALSE; // not enough
current_ip_buf ^= 1;
// for IPB with 2 buffers we can DR only one of the 2 P frames:
if (mpi->type == MP_IMGTYPE_IPB && num_buffers < 3
&& current_ip_buf)
return VO_FALSE;
buf = current_ip_buf;
if (mpi->type == MP_IMGTYPE_IPB)
++buf; // preserve space for B
}
if (mpi->height > xvimage[buf]->height)
return VO_FALSE; //buffer to small
if (mpi->width * (mpi->bpp / 8) > xvimage[buf]->pitches[0])
return VO_FALSE; //buffer to small
if ((mpi->flags & (MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_ACCEPT_WIDTH))
|| (mpi->width * (mpi->bpp / 8) == xvimage[buf]->pitches[0]))
{
current_buf = buf;
mpi->planes[0] =
xvimage[current_buf]->data + xvimage[current_buf]->offsets[0];
mpi->stride[0] = xvimage[current_buf]->pitches[0];
mpi->width = mpi->stride[0] / (mpi->bpp / 8);
if (mpi->flags & MP_IMGFLAG_PLANAR)
{
if (mpi->flags & MP_IMGFLAG_SWAPPED)
{
// I420
mpi->planes[1] =
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[1];
mpi->planes[2] =
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[2];
mpi->stride[1] = xvimage[current_buf]->pitches[1];
mpi->stride[2] = xvimage[current_buf]->pitches[2];
} else
{
// YV12
mpi->planes[1] =
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[2];
mpi->planes[2] =
xvimage[current_buf]->data +
xvimage[current_buf]->offsets[1];
mpi->stride[1] = xvimage[current_buf]->pitches[2];
mpi->stride[2] = xvimage[current_buf]->pitches[1];
}
}
mpi->flags |= MP_IMGFLAG_DIRECT;
mpi->priv = (void *) current_buf;
// printf("mga: get_image() SUCCESS -> Direct Rendering ENABLED\n");
return VO_TRUE;
}
return VO_FALSE;
}
static int query_format(uint32_t format)
{
uint32_t i;
int flag = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_OSD | VFCAP_ACCEPT_STRIDE; // FIXME! check for DOWN
/* check image formats */
for (i = 0; i < formats; i++)
{
if (fo[i].id == format)
return flag; //xv_format = fo[i].id;
}
return 0;
}
static void uninit(void)
{
int i;
if (!vo_config_count)
return;
visible_buf = -1;
XvFreeAdaptorInfo(ai);
ai = NULL;
if(fo){
XFree(fo);
fo=NULL;
}
for (i = 0; i < num_buffers; i++)
deallocate_xvimage(i);
#ifdef CONFIG_XF86VM
vo_vm_close();
#endif
mp_input_rm_event_fd(ConnectionNumber(mDisplay));
vo_x11_uninit();
}
static int preinit(const char *arg)
{
XvPortID xv_p;
int busy_ports = 0;
unsigned int i;
strarg_t ck_src_arg = { 0, NULL };
strarg_t ck_method_arg = { 0, NULL };
int xv_adaptor = -1;
opt_t subopts[] =
{
/* name arg type arg var test */
{ "port", OPT_ARG_INT, &xv_port, (opt_test_f)int_pos },
{ "adaptor", OPT_ARG_INT, &xv_adaptor, (opt_test_f)int_non_neg },
{ "ck", OPT_ARG_STR, &ck_src_arg, xv_test_ck },
{ "ck-method", OPT_ARG_STR, &ck_method_arg, xv_test_ckm },
{ NULL }
};
xv_port = 0;
/* parse suboptions */
if ( subopt_parse( arg, subopts ) != 0 )
{
return -1;
}
/* modify colorkey settings according to the given options */
xv_setup_colorkeyhandling( ck_method_arg.str, ck_src_arg.str );
if (!vo_init())
return -1;
/* check for Xvideo extension */
if (Success != XvQueryExtension(mDisplay, &ver, &rel, &req, &ev, &err))
{
mp_msg(MSGT_VO, MSGL_ERR,
MSGTR_LIBVO_XV_XvNotSupportedByX11);
return -1;
}
/* check for Xvideo support */
if (Success !=
XvQueryAdaptors(mDisplay, DefaultRootWindow(mDisplay), &adaptors,
&ai))
{
mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_XvQueryAdaptorsFailed);
return -1;
}
/* check adaptors */
if (xv_port)
{
int port_found;
for (port_found = 0, i = 0; !port_found && i < adaptors; 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 (xv_p == xv_port)
{
port_found = 1;
break;
}
}
}
}
if (port_found)
{
if (XvGrabPort(mDisplay, xv_port, CurrentTime))
xv_port = 0;
} else
{
mp_msg(MSGT_VO, MSGL_WARN,
MSGTR_LIBVO_XV_InvalidPortParameter);
xv_port = 0;
}
}
for (i = 0; i < adaptors && xv_port == 0; i++)
{
/* check if adaptor number has been specified */
if (xv_adaptor != -1 && xv_adaptor != i)
continue;
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;
mp_msg(MSGT_VO, MSGL_V,
"[VO_XV] Using Xv Adapter #%d (%s)\n",
i, ai[i].name);
break;
} else
{
mp_msg(MSGT_VO, MSGL_WARN,
MSGTR_LIBVO_XV_CouldNotGrabPort, (int) xv_p);
++busy_ports;
}
}
}
if (!xv_port)
{
if (busy_ports)
mp_msg(MSGT_VO, MSGL_ERR,
MSGTR_LIBVO_XV_CouldNotFindFreePort);
else
mp_msg(MSGT_VO, MSGL_ERR,
MSGTR_LIBVO_XV_NoXvideoSupport);
return -1;
}
if ( !vo_xv_init_colorkey() )
{
return -1; // bail out, colorkey setup failed
}
vo_xv_enable_vsync();
vo_xv_get_max_img_dim( &max_width, &max_height );
fo = XvListImageFormats(mDisplay, xv_port, (int *) &formats);
mp_input_add_event_fd(ConnectionNumber(mDisplay), check_events);
return 0;
}
static int control(uint32_t request, void *data, ...)
{
switch (request)
{
case VOCTRL_PAUSE:
return int_pause = 1;
case VOCTRL_RESUME:
return int_pause = 0;
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t *) data));
case VOCTRL_GET_IMAGE:
return get_image(data);
case VOCTRL_DRAW_IMAGE:
return draw_image(data);
case VOCTRL_GUISUPPORT:
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
if (!vo_config_count || !vo_fs)
return VO_FALSE;
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
/* indended, fallthrough to update panscan on fullscreen/windowed switch */
case VOCTRL_SET_PANSCAN:
if ((vo_fs && (vo_panscan != vo_panscan_amount))
|| (!vo_fs && vo_panscan_amount))
{
int old_y = vo_panscan_y;
panscan_calc();
if (old_y != vo_panscan_y)
{
vo_x11_clearwindow_part(mDisplay, vo_window,
vo_dwidth + vo_panscan_x - 1,
vo_dheight + vo_panscan_y - 1,
1);
vo_xv_draw_colorkey(drwX - (vo_panscan_x >> 1),
drwY - (vo_panscan_y >> 1),
vo_dwidth + vo_panscan_x - 1,
vo_dheight + vo_panscan_y - 1);
flip_page();
}
}
return VO_TRUE;
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
int value;
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
return vo_xv_set_eq(xv_port, data, value);
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int *value;
va_start(ap, data);
value = va_arg(ap, int *);
va_end(ap);
return vo_xv_get_eq(xv_port, data, value);
}
case VOCTRL_ONTOP:
vo_x11_ontop();
return VO_TRUE;
case VOCTRL_UPDATE_SCREENINFO:
update_xinerama_info();
return VO_TRUE;
}
return VO_NOTIMPL;
}
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