mirror of https://github.com/FFmpeg/FFmpeg.git
- Build system integration is equivalent to RFC #6 patch - Same rule applies to ffmpeg.c/allformats.[c|h] - x11grab.c is from Clemens Fruhwirth except the x11 grab structure for libavformat registration is renamed to match build system integration. Originally committed as revision 7302 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
parent
83c547a4a1
commit
f58f4ce19d
6 changed files with 536 additions and 0 deletions
@ -0,0 +1,519 @@ |
|||||||
|
/*
|
||||||
|
* X11 video grab interface |
||||||
|
* Copyright (c) 2006 Clemens Fruhwirth |
||||||
|
*
|
||||||
|
* A quick note on licensing. This file is a mixture of LGPL code |
||||||
|
* (ffmpeg) and GPL code (xvidcap). The result is a file that must |
||||||
|
* abid both licenses. As they are compatible and GPL is more |
||||||
|
* strict, this code has an "effective" GPL license. |
||||||
|
*
|
||||||
|
* This file contains code from grab.c: |
||||||
|
* Copyright (c) 2000,2001 Fabrice Bellard
|
||||||
|
* |
||||||
|
* This library is free software; you can redistribute it and/or |
||||||
|
* modify it under the terms of the GNU Lesser General Public |
||||||
|
* License as published by the Free Software Foundation; either |
||||||
|
* version 2 of the License, or (at your option) any later version. |
||||||
|
* |
||||||
|
* This library is distributed in the hope that it will be useful, |
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||||||
|
* Lesser General Public License for more details. |
||||||
|
* |
||||||
|
* You should have received a copy of the GNU Lesser General Public |
||||||
|
* License along with this library; if not, write to the Free Software |
||||||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
||||||
|
* |
||||||
|
* This file contains code from the xvidcap project: |
||||||
|
* Copyright (C) 1997-98 Rasca, Berlin |
||||||
|
* Copyright (C) 2003,04 Karl H. Beckers, Frankfurt |
||||||
|
* |
||||||
|
* This program is free software; you can redistribute it and/or modify |
||||||
|
* it under the terms of the GNU General Public License as published by |
||||||
|
* the Free Software Foundation; either version 2 of the License, or |
||||||
|
* (at your option) any later version. |
||||||
|
* |
||||||
|
* This program is distributed in the hope that it will be useful, |
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||||
|
* GNU General Public License for more details. |
||||||
|
* |
||||||
|
* You should have received a copy of the GNU General Public License |
||||||
|
* along with this program; if not, write to the Free Software |
||||||
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
||||||
|
*/ |
||||||
|
#include "avformat.h" |
||||||
|
#include <unistd.h> |
||||||
|
#include <fcntl.h> |
||||||
|
#include <sys/ioctl.h> |
||||||
|
#include <sys/mman.h> |
||||||
|
#include <sys/time.h> |
||||||
|
#define _LINUX_TIME_H 1 |
||||||
|
#include <time.h> |
||||||
|
#include <X11/X.h> |
||||||
|
#include <X11/Xlib.h> |
||||||
|
#include <X11/Xlibint.h> |
||||||
|
#include <X11/Xproto.h> |
||||||
|
#include <sys/ipc.h> |
||||||
|
#include <sys/shm.h> |
||||||
|
#include <X11/extensions/XShm.h> |
||||||
|
|
||||||
|
|
||||||
|
typedef struct { |
||||||
|
Display *dpy; |
||||||
|
int frame_format; |
||||||
|
int frame_size; |
||||||
|
int frame_rate; |
||||||
|
int frame_rate_base; |
||||||
|
int64_t time_frame; |
||||||
|
|
||||||
|
int height; |
||||||
|
int width; |
||||||
|
int x_off; |
||||||
|
int y_off; |
||||||
|
XImage *image; |
||||||
|
int use_shm; |
||||||
|
XShmSegmentInfo shminfo; |
||||||
|
int mouse_wanted; |
||||||
|
} X11Grab; |
||||||
|
|
||||||
|
static int x11grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) |
||||||
|
{ |
||||||
|
X11Grab *x11grab=s1->priv_data; |
||||||
|
Display *dpy; |
||||||
|
AVStream *st; |
||||||
|
int width, height; |
||||||
|
int frame_rate, frame_rate_base, frame_size; |
||||||
|
int input_pixfmt; |
||||||
|
XImage *image; |
||||||
|
int x_off=0; int y_off = 0; |
||||||
|
char *device_parsing = strdup(ap->device); |
||||||
|
int use_shm; |
||||||
|
|
||||||
|
dpy = XOpenDisplay(NULL); |
||||||
|
|
||||||
|
if(!dpy) |
||||||
|
goto fail; |
||||||
|
|
||||||
|
sscanf(device_parsing,"x11:%d,%d",&x_off, &y_off); |
||||||
|
fprintf(stderr,"device: %s -> x: %d y: %d width: %d height: %d\n", ap->device, x_off, y_off, ap->width, ap->height); |
||||||
|
|
||||||
|
if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) { |
||||||
|
fprintf(stderr,"x11grab: AVParameters don't have any video size. Use -s.\n"); |
||||||
|
return AVERROR_IO;
|
||||||
|
} |
||||||
|
width = ap->width; |
||||||
|
height = ap->height; |
||||||
|
frame_rate = ap->time_base.den; |
||||||
|
frame_rate_base = ap->time_base.num; |
||||||
|
|
||||||
|
st = av_new_stream(s1, 0); |
||||||
|
if (!st) |
||||||
|
return -ENOMEM; |
||||||
|
av_set_pts_info(st, 48, 1, 1000000); /* 48 bits pts in us */ |
||||||
|
|
||||||
|
use_shm = XShmQueryExtension(dpy); |
||||||
|
fprintf(stderr,"x11grab: shared memory extension %s\n",use_shm?"found":"not found"); |
||||||
|
if(use_shm) { |
||||||
|
int scr = XDefaultScreen(dpy); |
||||||
|
image = XShmCreateImage(dpy,
|
||||||
|
DefaultVisual(dpy,scr),
|
||||||
|
DefaultDepth(dpy,scr),
|
||||||
|
ZPixmap, NULL, |
||||||
|
&x11grab->shminfo, ap->width, ap->height); |
||||||
|
x11grab->shminfo.shmid = shmget(IPC_PRIVATE, |
||||||
|
image->bytes_per_line * image->height, IPC_CREAT|0777); |
||||||
|
if (x11grab->shminfo.shmid == -1) { |
||||||
|
fprintf(stderr,"Fatal: Can't get shared memory!\n"); |
||||||
|
return -ENOMEM; |
||||||
|
} |
||||||
|
x11grab->shminfo.shmaddr = image->data = shmat(x11grab->shminfo.shmid, 0, 0); |
||||||
|
x11grab->shminfo.readOnly = False; |
||||||
|
|
||||||
|
if (XShmAttach(dpy, &x11grab->shminfo) == 0) { |
||||||
|
fprintf(stderr,"Fatal: Failed to attach shared memory!\n"); |
||||||
|
/* needs some better error subroutine :) */ |
||||||
|
return AVERROR_IO;
|
||||||
|
} |
||||||
|
} |
||||||
|
else { |
||||||
|
image = XGetImage(dpy, RootWindow(dpy, DefaultScreen(dpy)), |
||||||
|
x_off,y_off, |
||||||
|
ap->width,ap->height, |
||||||
|
AllPlanes, ZPixmap);
|
||||||
|
} |
||||||
|
|
||||||
|
switch (image->bits_per_pixel) { |
||||||
|
case 8: |
||||||
|
fprintf (stderr, "x11grab: 8 bit pallete\n"); |
||||||
|
input_pixfmt = PIX_FMT_PAL8; |
||||||
|
break; |
||||||
|
case 16: |
||||||
|
if ( image->red_mask == 0xF800 && image->green_mask == 0x07E0 |
||||||
|
&& image->blue_mask == 0x1F ) { |
||||||
|
fprintf (stderr, "x11grab: 16 bit RGB565\n"); |
||||||
|
input_pixfmt = PIX_FMT_RGB565; |
||||||
|
} else if ( image->red_mask == 0x7C00 &&
|
||||||
|
image->green_mask == 0x03E0 &&
|
||||||
|
image->blue_mask == 0x1F ) { |
||||||
|
fprintf (stderr, "x11grab: 16 bit RGB555\n"); |
||||||
|
input_pixfmt = PIX_FMT_RGB555; |
||||||
|
} else { |
||||||
|
fprintf (stderr, "x11grab: RGB ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel); |
||||||
|
fprintf (stderr, "x11grab: color masks: r 0x%.6X g 0x%.6X b 0x%.6X\n", image->red_mask, image->green_mask, image->blue_mask); |
||||||
|
return AVERROR_IO;
|
||||||
|
} |
||||||
|
break; |
||||||
|
case 24: |
||||||
|
if ( image->red_mask == 0xFF0000 &&
|
||||||
|
image->green_mask == 0xFF00 |
||||||
|
&& image->blue_mask == 0xFF ) { |
||||||
|
input_pixfmt = PIX_FMT_BGR24; |
||||||
|
} else if ( image->red_mask == 0xFF && image->green_mask == 0xFF00 |
||||||
|
&& image->blue_mask == 0xFF0000 ) { |
||||||
|
input_pixfmt = PIX_FMT_RGB24; |
||||||
|
} else { |
||||||
|
fprintf (stderr, "xtoffmpeg.XImageToFFMPEG(): rgb ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel); |
||||||
|
fprintf (stderr, "xtoffmpeg.XImageToFFMPEG(): color masks: r 0x%.6X g 0x%.6X b 0x%.6X\n", image->red_mask, image->green_mask, image->blue_mask); |
||||||
|
return AVERROR_IO;
|
||||||
|
} |
||||||
|
break; |
||||||
|
case 32: |
||||||
|
#if 0 |
||||||
|
GetColorInfo (image, &c_info); |
||||||
|
if ( c_info.alpha_mask == 0xFF000000 && image->green_mask == 0xFF00 ) { |
||||||
|
// byte order is relevant here, not endianness
|
||||||
|
// endianness is handled by avcodec, but atm no such thing
|
||||||
|
// as having ABGR, instead of ARGB in a word. Since we
|
||||||
|
// need this for Solaris/SPARC, but need to do the conversion
|
||||||
|
// for every frame we do it outside of this loop, cf. below
|
||||||
|
// this matches both ARGB32 and ABGR32
|
||||||
|
input_pixfmt = PIX_FMT_ARGB32; |
||||||
|
} else { |
||||||
|
fprintf (stderr, "xtoffmpeg.XImageToFFMPEG(): image depth %i not supported ... aborting\n", image->bits_per_pixel); |
||||||
|
return AVERROR_IO;
|
||||||
|
} |
||||||
|
#endif |
||||||
|
input_pixfmt = PIX_FMT_RGBA32; |
||||||
|
break; |
||||||
|
default: |
||||||
|
fprintf (stderr, "xtoffmpeg.XImageToFFMPEG(): image depth %i not supported ... aborting\n", image->bits_per_pixel); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
frame_size = width * height * image->bits_per_pixel/8; |
||||||
|
x11grab->frame_size = frame_size; |
||||||
|
x11grab->dpy = dpy; |
||||||
|
x11grab->width = ap->width; |
||||||
|
x11grab->height = ap->height; |
||||||
|
x11grab->frame_rate = frame_rate; |
||||||
|
x11grab->frame_rate_base = frame_rate_base; |
||||||
|
x11grab->time_frame = av_gettime() * frame_rate / frame_rate_base; |
||||||
|
x11grab->x_off = x_off; |
||||||
|
x11grab->y_off = y_off; |
||||||
|
x11grab->image = image; |
||||||
|
x11grab->use_shm = use_shm; |
||||||
|
x11grab->mouse_wanted = 1; |
||||||
|
|
||||||
|
st->codec->codec_type = CODEC_TYPE_VIDEO; |
||||||
|
st->codec->codec_id = CODEC_ID_RAWVIDEO; |
||||||
|
st->codec->width = width; |
||||||
|
st->codec->height = height; |
||||||
|
st->codec->pix_fmt = input_pixfmt; |
||||||
|
st->codec->time_base.den = frame_rate; |
||||||
|
st->codec->time_base.num = frame_rate_base; |
||||||
|
st->codec->bit_rate = frame_size * 1/av_q2d(st->codec->time_base) * 8; |
||||||
|
|
||||||
|
return 0; |
||||||
|
fail: |
||||||
|
av_free(st); |
||||||
|
av_free(device_parsing); |
||||||
|
return AVERROR_IO;
|
||||||
|
} |
||||||
|
|
||||||
|
uint16_t mousePointerBlack[] = { 0, 49152, 40960, 36864, 34816, 33792, 33280, 33024, 32896, 32832, |
||||||
|
33728, 37376, 43264, 51456, 1152, 1152, 576, 576, 448, 0 }; |
||||||
|
uint16_t mousePointerWhite[] = { 0, 0, 16384, 24576, 28672, 30720, 31744, 32256, 32512, 32640, 31744, |
||||||
|
27648, 17920, 1536, 768, 768, 384, 384, 0, 0 }; |
||||||
|
|
||||||
|
static void getCurrentPointer(X11Grab *s, int *x, int *y) { |
||||||
|
Window mrootwindow, childwindow; |
||||||
|
int dummy; |
||||||
|
Display *dpy = s->dpy; |
||||||
|
|
||||||
|
mrootwindow = DefaultRootWindow(dpy); |
||||||
|
|
||||||
|
if (XQueryPointer(dpy, mrootwindow, &mrootwindow, &childwindow, |
||||||
|
x, y, &dummy, &dummy, &dummy)) { |
||||||
|
} else { |
||||||
|
fprintf(stderr,"couldn't find mouse pointer\n"); |
||||||
|
*x = -1; |
||||||
|
*y = -1; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void paintMousePointer(X11Grab *s, int *x, int *y, XImage *image) { |
||||||
|
int x_off = s->x_off; |
||||||
|
int y_off = s->y_off; |
||||||
|
int width = s->width; |
||||||
|
int height = s->height; |
||||||
|
|
||||||
|
if ((*x - x_off) >= 0 &&
|
||||||
|
*x < (width + x_off) &&
|
||||||
|
(*y - y_off) >= 0 &&
|
||||||
|
*y < (height + y_off) ) {
|
||||||
|
int line; |
||||||
|
uint8_t *im_data = image->data; |
||||||
|
|
||||||
|
im_data += (image->bytes_per_line * (*y - y_off)); // shift to right line
|
||||||
|
im_data += (image->bits_per_pixel / 8 * (*x - x_off)); // shift to right pixel
|
||||||
|
|
||||||
|
switch(image->bits_per_pixel) { |
||||||
|
case 32:
|
||||||
|
{ |
||||||
|
uint32_t *cursor; |
||||||
|
int width_cursor; |
||||||
|
uint16_t bm_b, bm_w, mask; |
||||||
|
|
||||||
|
for (line = 0; line < 20; line++ ) { |
||||||
|
if (s->mouse_wanted == 1) { |
||||||
|
bm_b = mousePointerBlack[line]; |
||||||
|
bm_w = mousePointerWhite[line]; |
||||||
|
} else { |
||||||
|
bm_b = mousePointerWhite[line]; |
||||||
|
bm_w = mousePointerBlack[line]; |
||||||
|
} |
||||||
|
mask = ( 0x0001 << 15 ); |
||||||
|
|
||||||
|
for (cursor = (uint32_t*) im_data, width_cursor = 0;
|
||||||
|
((width_cursor + *x) < (width + x_off) && width_cursor < 16); |
||||||
|
cursor++, width_cursor++) { |
||||||
|
// Boolean pointer_b_bit, pointer_w_bit;
|
||||||
|
// pointer_b_bit = ( ( bm_b & mask ) > 0 );
|
||||||
|
// pointer_w_bit = ( ( bm_w & mask ) > 0 );
|
||||||
|
// printf("%i ", pointer_b_bit, pointer_w_bit );
|
||||||
|
|
||||||
|
if ( ( bm_b & mask ) > 0 ) { |
||||||
|
*cursor &= ((~ image->red_mask) & (~ image->green_mask) & (~image->blue_mask )); |
||||||
|
} else if ( ( bm_w & mask ) > 0 ) { |
||||||
|
*cursor |= (image->red_mask | image->green_mask | image->blue_mask ); |
||||||
|
} |
||||||
|
mask >>= 1; |
||||||
|
} |
||||||
|
// printf("\n");
|
||||||
|
im_data += image->bytes_per_line; |
||||||
|
} |
||||||
|
} |
||||||
|
break; |
||||||
|
#if 0 |
||||||
|
case 24: // not sure this can occur at all ..........
|
||||||
|
fprintf(stderr,"input image bits_per_pixel %i not implemented with mouse pointer capture ... aborting!\n", |
||||||
|
image->bits_per_pixel); |
||||||
|
fprintf(stderr,"Please file a bug at http://www.sourceforge.net/projects/xvidcap/\n"); |
||||||
|
exit(1); |
||||||
|
break; |
||||||
|
case 16: { |
||||||
|
uint16_t *cursor; |
||||||
|
int width; |
||||||
|
uint16_t bm_b, bm_w, mask; |
||||||
|
|
||||||
|
for (line = 0; line < 16; line++ ) { |
||||||
|
if (mjob->mouseWanted == 1) { |
||||||
|
bm_b = mousePointerBlack[line]; |
||||||
|
bm_w = mousePointerWhite[line]; |
||||||
|
} else { |
||||||
|
bm_b = mousePointerWhite[line]; |
||||||
|
bm_w = mousePointerBlack[line]; |
||||||
|
} |
||||||
|
mask = ( 0x0001 << 15 ); |
||||||
|
|
||||||
|
for (cursor = (uint16_t*) im_data, width = 0; |
||||||
|
((width + *x) < (mjob->area->width + mjob->area->x)&&width < 6); |
||||||
|
cursor++, width++) { |
||||||
|
// Boolean pointer_b_bit, pointer_w_bit;
|
||||||
|
|
||||||
|
// pointer_b_bit = ( ( bm_b & mask ) > 0 );
|
||||||
|
// pointer_w_bit = ( ( bm_w & mask ) > 0 );
|
||||||
|
// printf("%i ", pointer_b_bit, pointer_w_bit );
|
||||||
|
|
||||||
|
if ( ( bm_b & mask ) > 0 ) { |
||||||
|
*cursor &= ((~ image->red_mask) & (~ image->green_mask) & (~ |
||||||
|
image->blue_mask )); |
||||||
|
} else if ( ( bm_w & mask ) > 0 ) { |
||||||
|
*cursor |= (image->red_mask | image->green_mask | image->blue_mask ); |
||||||
|
} |
||||||
|
mask >>= 1; |
||||||
|
|
||||||
|
} |
||||||
|
// printf("\n");
|
||||||
|
|
||||||
|
im_data += image->bytes_per_line; |
||||||
|
} |
||||||
|
} |
||||||
|
break; |
||||||
|
case 8: { |
||||||
|
uint8_t *cursor; |
||||||
|
int width; |
||||||
|
uint16_t bm_b, bm_w, mask; |
||||||
|
|
||||||
|
for (line = 0; line < 16; line++ ) { |
||||||
|
if (mjob->mouseWanted == 1) { |
||||||
|
bm_b = mousePointerBlack[line]; |
||||||
|
bm_w = mousePointerWhite[line]; |
||||||
|
} else { |
||||||
|
bm_b = mousePointerWhite[line]; |
||||||
|
bm_w = mousePointerBlack[line]; |
||||||
|
} |
||||||
|
mask = ( 0x0001 << 15 ); |
||||||
|
|
||||||
|
for (cursor = im_data, width = 0; |
||||||
|
((width + *x) < (mjob->area->width + mjob->area->x)&&width < 6); |
||||||
|
cursor++, width++) { |
||||||
|
// Boolean pointer_b_bit, pointer_w_bit;
|
||||||
|
|
||||||
|
// pointer_b_bit = ( ( bm_b & mask ) > 0 );
|
||||||
|
// pointer_w_bit = ( ( bm_w & mask ) > 0 );
|
||||||
|
// printf("%i ", pointer_b_bit, pointer_w_bit );
|
||||||
|
|
||||||
|
if ( ( bm_b & mask ) > 0 ) { |
||||||
|
*cursor = 0; |
||||||
|
} else if ( ( bm_w & mask ) > 0 ) { |
||||||
|
*cursor = 1; |
||||||
|
} |
||||||
|
mask >>= 1; |
||||||
|
|
||||||
|
} |
||||||
|
// printf("\n");
|
||||||
|
|
||||||
|
im_data += image->bytes_per_line; |
||||||
|
} |
||||||
|
} |
||||||
|
break; |
||||||
|
default: |
||||||
|
fprintf(stderr,"input image bits_per_pixel %i not supported with mouse pointer capture ... aborting!\n", |
||||||
|
image->bits_per_pixel); |
||||||
|
exit(1); |
||||||
|
|
||||||
|
#endif |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* just read new data in the image structure, the image |
||||||
|
* structure inclusive the data area must be allocated before |
||||||
|
*/ |
||||||
|
static int |
||||||
|
XGetZPixmap(Display *dpy, Drawable d, XImage *image, int x, int y) |
||||||
|
{ |
||||||
|
xGetImageReply rep; |
||||||
|
xGetImageReq *req; |
||||||
|
long nbytes; |
||||||
|
|
||||||
|
if (!image) |
||||||
|
return (False); |
||||||
|
LockDisplay(dpy); |
||||||
|
GetReq(GetImage, req); |
||||||
|
/*
|
||||||
|
* first set up the standard stuff in the request |
||||||
|
*/ |
||||||
|
req->drawable = d; |
||||||
|
req->x = x; |
||||||
|
req->y = y; |
||||||
|
req->width = image->width; |
||||||
|
req->height = image->height; |
||||||
|
req->planeMask = AllPlanes; |
||||||
|
req->format = ZPixmap; |
||||||
|
|
||||||
|
if (_XReply(dpy, (xReply *) &rep, 0, xFalse) == 0 || |
||||||
|
rep.length == 0) { |
||||||
|
UnlockDisplay(dpy); |
||||||
|
SyncHandle(); |
||||||
|
return (False); |
||||||
|
} |
||||||
|
|
||||||
|
nbytes = (long)rep.length << 2; |
||||||
|
_XReadPad(dpy, image->data, nbytes); |
||||||
|
|
||||||
|
UnlockDisplay(dpy); |
||||||
|
SyncHandle(); |
||||||
|
return (True); |
||||||
|
} |
||||||
|
|
||||||
|
static int x11grab_read_packet(AVFormatContext *s1, AVPacket *pkt) |
||||||
|
{ |
||||||
|
X11Grab *s = s1->priv_data; |
||||||
|
Display *dpy = s->dpy; |
||||||
|
XImage *image = s->image; |
||||||
|
int x_off = s->x_off; |
||||||
|
int y_off = s->y_off; |
||||||
|
|
||||||
|
int64_t curtime, delay; |
||||||
|
struct timespec ts; |
||||||
|
|
||||||
|
/* Calculate the time of the next frame */ |
||||||
|
s->time_frame += int64_t_C(1000000); |
||||||
|
|
||||||
|
/* wait based on the frame rate */ |
||||||
|
for(;;) { |
||||||
|
curtime = av_gettime(); |
||||||
|
delay = s->time_frame * s->frame_rate_base / s->frame_rate - curtime; |
||||||
|
if (delay <= 0) { |
||||||
|
if (delay < int64_t_C(-1000000) * s->frame_rate_base / s->frame_rate) { |
||||||
|
/* printf("grabbing is %d frames late (dropping)\n", (int) -(delay / 16666)); */ |
||||||
|
s->time_frame += int64_t_C(1000000); |
||||||
|
} |
||||||
|
break; |
||||||
|
}
|
||||||
|
ts.tv_sec = delay / 1000000; |
||||||
|
ts.tv_nsec = (delay % 1000000) * 1000; |
||||||
|
nanosleep(&ts, NULL); |
||||||
|
} |
||||||
|
|
||||||
|
if (av_new_packet(pkt, s->frame_size) < 0) |
||||||
|
return AVERROR_IO; |
||||||
|
|
||||||
|
pkt->pts = curtime & ((1LL << 48) - 1); |
||||||
|
|
||||||
|
if(s->use_shm) { |
||||||
|
if (!XShmGetImage(dpy, |
||||||
|
RootWindow(dpy, DefaultScreen(dpy)), |
||||||
|
image, x_off, y_off, AllPlanes)) { |
||||||
|
fprintf(stderr,"XShmGetImage() failed\n"); |
||||||
|
} |
||||||
|
}
|
||||||
|
else { |
||||||
|
XGetZPixmap(dpy, |
||||||
|
RootWindow(dpy, DefaultScreen(dpy)), |
||||||
|
image, x_off, y_off);
|
||||||
|
}; |
||||||
|
{ |
||||||
|
int pointer_x, pointer_y; |
||||||
|
getCurrentPointer(s, &pointer_x, &pointer_y); |
||||||
|
paintMousePointer(s, &pointer_x, &pointer_y, image); |
||||||
|
} |
||||||
|
|
||||||
|
#warning FIXME - avoid memcpy |
||||||
|
memcpy(pkt->data, image->data, s->frame_size);
|
||||||
|
return s->frame_size; |
||||||
|
} |
||||||
|
|
||||||
|
static int x11grab_read_close(AVFormatContext *s1) |
||||||
|
{ |
||||||
|
X11Grab *x11grab = s1->priv_data; |
||||||
|
|
||||||
|
XCloseDisplay(x11grab->dpy); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
AVInputFormat x11_grab_device_demuxer = { |
||||||
|
"x11grab", |
||||||
|
"X11grab", |
||||||
|
sizeof(X11Grab), |
||||||
|
NULL, |
||||||
|
x11grab_read_header, |
||||||
|
x11grab_read_packet, |
||||||
|
x11grab_read_close, |
||||||
|
.flags = AVFMT_NOFILE, |
||||||
|
}; |
Loading…
Reference in new issue