RFC 3&4 stage: FFmpeg style aint't my style
- Tabs are 4 width - No tabs allowed (patch by Edouard Gomez) Originally committed as revision 7306 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Edouard Gomez
Guillaume Poirier
parent
ef84bf0404
commit
aac105fcd1
@ -8,7 +8,7 @@
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* Edouard Gomez <ed.gomez@free.fr>
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*
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* This file contains code from grab.c:
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* Copyright (c) 2000-2001 Fabrice Bellard
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* Copyright (c) 2000-2001 Fabrice Bellard
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*
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* This file contains code from the xvidcap project:
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* Copyright (C) 1997-1998 Rasca, Berlin
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@ -48,273 +48,273 @@
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typedef struct
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{
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Display *dpy;
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int frame_format;
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int frame_size;
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int frame_rate;
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int frame_rate_base;
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int64_t time_frame;
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Display *dpy;
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int frame_format;
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int frame_size;
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int frame_rate;
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int frame_rate_base;
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int64_t time_frame;
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int height;
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int width;
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int x_off;
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int y_off;
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XImage *image;
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int use_shm;
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XShmSegmentInfo shminfo;
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int mouse_wanted;
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int height;
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int width;
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int x_off;
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int y_off;
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XImage *image;
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int use_shm;
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XShmSegmentInfo shminfo;
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int mouse_wanted;
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} X11Grab;
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static int
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x11grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
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{
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X11Grab *x11grab = s1->priv_data;
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Display *dpy;
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AVStream *st = NULL;
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int width, height;
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int frame_rate, frame_rate_base, frame_size;
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int input_pixfmt;
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XImage *image;
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int x_off=0; int y_off = 0;
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int use_shm;
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X11Grab *x11grab = s1->priv_data;
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Display *dpy;
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AVStream *st = NULL;
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int width, height;
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int frame_rate, frame_rate_base, frame_size;
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int input_pixfmt;
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XImage *image;
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int x_off=0; int y_off = 0;
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int use_shm;
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dpy = XOpenDisplay(NULL);
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if(!dpy) {
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goto fail;
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}
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dpy = XOpenDisplay(NULL);
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if(!dpy) {
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goto fail;
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}
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sscanf(ap->device, "x11:%d,%d", &x_off, &y_off);
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av_log(s1, AV_LOG_INFO, "device: %s -> x: %d y: %d width: %d height: %d\n", ap->device, x_off, y_off, ap->width, ap->height);
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if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
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av_log(s1, AV_LOG_ERROR, "AVParameters don't have any video size. Use -s.\n");
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return AVERROR_IO;
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}
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sscanf(ap->device, "x11:%d,%d", &x_off, &y_off);
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av_log(s1, AV_LOG_INFO, "device: %s -> x: %d y: %d width: %d height: %d\n", ap->device, x_off, y_off, ap->width, ap->height);
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width = ap->width;
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height = ap->height;
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frame_rate = ap->time_base.den;
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frame_rate_base = ap->time_base.num;
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if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
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av_log(s1, AV_LOG_ERROR, "AVParameters don't have any video size. Use -s.\n");
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return AVERROR_IO;
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}
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st = av_new_stream(s1, 0);
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if (!st) {
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return -ENOMEM;
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}
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av_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
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width = ap->width;
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height = ap->height;
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frame_rate = ap->time_base.den;
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frame_rate_base = ap->time_base.num;
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use_shm = XShmQueryExtension(dpy);
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av_log(s1, AV_LOG_INFO, "shared memory extension %s\n", use_shm ? "found" : "not found");
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st = av_new_stream(s1, 0);
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if (!st) {
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return -ENOMEM;
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}
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av_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
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if(use_shm) {
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int scr = XDefaultScreen(dpy);
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image = XShmCreateImage(dpy,
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DefaultVisual(dpy, scr),
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DefaultDepth(dpy, scr),
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ZPixmap,
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NULL,
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&x11grab->shminfo,
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ap->width, ap->height);
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x11grab->shminfo.shmid = shmget(IPC_PRIVATE,
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image->bytes_per_line * image->height,
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IPC_CREAT|0777);
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if (x11grab->shminfo.shmid == -1) {
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av_log(s1, AV_LOG_ERROR, "Fatal: Can't get shared memory!\n");
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return -ENOMEM;
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}
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x11grab->shminfo.shmaddr = image->data = shmat(x11grab->shminfo.shmid, 0, 0);
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x11grab->shminfo.readOnly = False;
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if (!XShmAttach(dpy, &x11grab->shminfo)) {
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av_log(s1, AV_LOG_ERROR, "Fatal: Failed to attach shared memory!\n");
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/* needs some better error subroutine :) */
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return AVERROR_IO;
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}
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} else {
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image = XGetImage(dpy, RootWindow(dpy, DefaultScreen(dpy)),
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x_off,y_off,
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ap->width,ap->height,
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AllPlanes, ZPixmap);
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}
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switch (image->bits_per_pixel) {
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case 8:
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av_log (s1, AV_LOG_DEBUG, "8 bit pallete\n");
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input_pixfmt = PIX_FMT_PAL8;
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break;
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case 16:
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if ( image->red_mask == 0xF800 && image->green_mask == 0x07E0
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&& image->blue_mask == 0x1F ) {
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av_log (s1, AV_LOG_DEBUG, "16 bit RGB565\n");
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input_pixfmt = PIX_FMT_RGB565;
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} else if ( image->red_mask == 0x7C00 &&
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image->green_mask == 0x03E0 &&
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image->blue_mask == 0x1F ) {
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av_log(s1, AV_LOG_DEBUG, "16 bit RGB555\n");
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input_pixfmt = PIX_FMT_RGB555;
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} else {
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av_log(s1, AV_LOG_ERROR, "RGB ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
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av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask);
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return AVERROR_IO;
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}
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break;
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case 24:
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if ( image->red_mask == 0xFF0000 &&
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image->green_mask == 0xFF00
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&& image->blue_mask == 0xFF ) {
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input_pixfmt = PIX_FMT_BGR24;
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} else if ( image->red_mask == 0xFF && image->green_mask == 0xFF00
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&& image->blue_mask == 0xFF0000 ) {
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input_pixfmt = PIX_FMT_RGB24;
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} else {
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av_log(s1, AV_LOG_ERROR,"rgb ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
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av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask);
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return AVERROR_IO;
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}
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break;
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case 32:
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use_shm = XShmQueryExtension(dpy);
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av_log(s1, AV_LOG_INFO, "shared memory extension %s\n", use_shm ? "found" : "not found");
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if(use_shm) {
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int scr = XDefaultScreen(dpy);
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image = XShmCreateImage(dpy,
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DefaultVisual(dpy, scr),
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DefaultDepth(dpy, scr),
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ZPixmap,
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NULL,
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&x11grab->shminfo,
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ap->width, ap->height);
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x11grab->shminfo.shmid = shmget(IPC_PRIVATE,
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image->bytes_per_line * image->height,
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IPC_CREAT|0777);
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if (x11grab->shminfo.shmid == -1) {
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av_log(s1, AV_LOG_ERROR, "Fatal: Can't get shared memory!\n");
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return -ENOMEM;
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}
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x11grab->shminfo.shmaddr = image->data = shmat(x11grab->shminfo.shmid, 0, 0);
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x11grab->shminfo.readOnly = False;
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if (!XShmAttach(dpy, &x11grab->shminfo)) {
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av_log(s1, AV_LOG_ERROR, "Fatal: Failed to attach shared memory!\n");
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/* needs some better error subroutine :) */
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return AVERROR_IO;
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}
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} else {
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image = XGetImage(dpy, RootWindow(dpy, DefaultScreen(dpy)),
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x_off,y_off,
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ap->width,ap->height,
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AllPlanes, ZPixmap);
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}
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switch (image->bits_per_pixel) {
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case 8:
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av_log (s1, AV_LOG_DEBUG, "8 bit pallete\n");
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input_pixfmt = PIX_FMT_PAL8;
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break;
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case 16:
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if ( image->red_mask == 0xF800 && image->green_mask == 0x07E0
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&& image->blue_mask == 0x1F ) {
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av_log (s1, AV_LOG_DEBUG, "16 bit RGB565\n");
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input_pixfmt = PIX_FMT_RGB565;
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} else if ( image->red_mask == 0x7C00 &&
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image->green_mask == 0x03E0 &&
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image->blue_mask == 0x1F ) {
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av_log(s1, AV_LOG_DEBUG, "16 bit RGB555\n");
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input_pixfmt = PIX_FMT_RGB555;
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} else {
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av_log(s1, AV_LOG_ERROR, "RGB ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
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av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask);
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return AVERROR_IO;
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}
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break;
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case 24:
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if ( image->red_mask == 0xFF0000 &&
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image->green_mask == 0xFF00
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&& image->blue_mask == 0xFF ) {
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input_pixfmt = PIX_FMT_BGR24;
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} else if ( image->red_mask == 0xFF && image->green_mask == 0xFF00
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&& image->blue_mask == 0xFF0000 ) {
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input_pixfmt = PIX_FMT_RGB24;
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} else {
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av_log(s1, AV_LOG_ERROR,"rgb ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
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av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask);
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return AVERROR_IO;
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}
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break;
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case 32:
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#if 0
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GetColorInfo (image, &c_info);
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if ( c_info.alpha_mask == 0xFF000000 && image->green_mask == 0xFF00 ) {
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/* byte order is relevant here, not endianness
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* endianness is handled by avcodec, but atm no such thing
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* as having ABGR, instead of ARGB in a word. Since we
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* need this for Solaris/SPARC, but need to do the conversion
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* for every frame we do it outside of this loop, cf. below
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* this matches both ARGB32 and ABGR32 */
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input_pixfmt = PIX_FMT_ARGB32;
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} else {
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av_log(s1, AV_LOG_ERROR,"image depth %i not supported ... aborting\n", image->bits_per_pixel);
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return AVERROR_IO;
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}
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GetColorInfo (image, &c_info);
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if ( c_info.alpha_mask == 0xFF000000 && image->green_mask == 0xFF00 ) {
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/* byte order is relevant here, not endianness
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* endianness is handled by avcodec, but atm no such thing
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* as having ABGR, instead of ARGB in a word. Since we
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* need this for Solaris/SPARC, but need to do the conversion
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* for every frame we do it outside of this loop, cf. below
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* this matches both ARGB32 and ABGR32 */
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input_pixfmt = PIX_FMT_ARGB32;
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} else {
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av_log(s1, AV_LOG_ERROR,"image depth %i not supported ... aborting\n", image->bits_per_pixel);
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return AVERROR_IO;
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}
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#endif
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input_pixfmt = PIX_FMT_RGBA32;
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break;
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default:
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av_log(s1, AV_LOG_ERROR, "image depth %i not supported ... aborting\n", image->bits_per_pixel);
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return -1;
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}
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input_pixfmt = PIX_FMT_RGBA32;
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break;
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default:
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av_log(s1, AV_LOG_ERROR, "image depth %i not supported ... aborting\n", image->bits_per_pixel);
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return -1;
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}
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frame_size = width * height * image->bits_per_pixel/8;
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x11grab->frame_size = frame_size;
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x11grab->dpy = dpy;
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x11grab->width = ap->width;
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x11grab->height = ap->height;
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x11grab->frame_rate = frame_rate;
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x11grab->frame_rate_base = frame_rate_base;
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x11grab->time_frame = av_gettime() * frame_rate / frame_rate_base;
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x11grab->x_off = x_off;
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x11grab->y_off = y_off;
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x11grab->image = image;
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x11grab->use_shm = use_shm;
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x11grab->mouse_wanted = 1;
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frame_size = width * height * image->bits_per_pixel/8;
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x11grab->frame_size = frame_size;
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x11grab->dpy = dpy;
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x11grab->width = ap->width;
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x11grab->height = ap->height;
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x11grab->frame_rate = frame_rate;
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x11grab->frame_rate_base = frame_rate_base;
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x11grab->time_frame = av_gettime() * frame_rate / frame_rate_base;
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x11grab->x_off = x_off;
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x11grab->y_off = y_off;
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x11grab->image = image;
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x11grab->use_shm = use_shm;
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x11grab->mouse_wanted = 1;
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st->codec->codec_type = CODEC_TYPE_VIDEO;
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st->codec->codec_id = CODEC_ID_RAWVIDEO;
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st->codec->width = width;
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st->codec->height = height;
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st->codec->pix_fmt = input_pixfmt;
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st->codec->time_base.den = frame_rate;
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st->codec->time_base.num = frame_rate_base;
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st->codec->bit_rate = frame_size * 1/av_q2d(st->codec->time_base) * 8;
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return 0;
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st->codec->codec_type = CODEC_TYPE_VIDEO;
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st->codec->codec_id = CODEC_ID_RAWVIDEO;
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st->codec->width = width;
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st->codec->height = height;
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st->codec->pix_fmt = input_pixfmt;
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st->codec->time_base.den = frame_rate;
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st->codec->time_base.num = frame_rate_base;
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st->codec->bit_rate = frame_size * 1/av_q2d(st->codec->time_base) * 8;
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return 0;
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fail:
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av_free(st);
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return AVERROR_IO;
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av_free(st);
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return AVERROR_IO;
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}
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static void
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getCurrentPointer(AVFormatContext *s1, X11Grab *s, int *x, int *y)
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{
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Window mrootwindow, childwindow;
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int dummy;
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Display *dpy = s->dpy;
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mrootwindow = DefaultRootWindow(dpy);
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if (XQueryPointer(dpy, mrootwindow, &mrootwindow, &childwindow,
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x, y, &dummy, &dummy, (unsigned int*)&dummy)) {
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} else {
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av_log(s1, AV_LOG_INFO, "couldn't find mouse pointer\n");
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*x = -1;
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*y = -1;
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}
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Window mrootwindow, childwindow;
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int dummy;
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Display *dpy = s->dpy;
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mrootwindow = DefaultRootWindow(dpy);
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if (XQueryPointer(dpy, mrootwindow, &mrootwindow, &childwindow,
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x, y, &dummy, &dummy, (unsigned int*)&dummy)) {
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} else {
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av_log(s1, AV_LOG_INFO, "couldn't find mouse pointer\n");
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*x = -1;
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*y = -1;
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}
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}
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#define DRAW_CURSOR_TEMPLATE(type_t) \
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do { \
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type_t *cursor; \
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int width_cursor; \
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uint16_t bm_b, bm_w, mask; \
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\
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for (line = 0; line < min(20, (y_off + height) - *y); line++ ) { \
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if (s->mouse_wanted == 1) { \
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bm_b = mousePointerBlack[line]; \
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bm_w = mousePointerWhite[line]; \
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} else { \
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bm_b = mousePointerWhite[line]; \
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bm_w = mousePointerBlack[line]; \
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} \
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mask = ( 0x0001 << 15 ); \
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\
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for (cursor = (type_t*) im_data, width_cursor = 0; \
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((width_cursor + *x) < (width + x_off) && width_cursor < 16); \
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cursor++, width_cursor++) { \
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if ( ( bm_b & mask ) > 0 ) { \
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*cursor &= ((~ image->red_mask) & (~ image->green_mask) & (~image->blue_mask )); \
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} else if ( ( bm_w & mask ) > 0 ) { \
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*cursor |= (image->red_mask | image->green_mask | image->blue_mask ); \
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} \
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mask >>= 1; \
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} \
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im_data += image->bytes_per_line; \
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} \
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} while (0)
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#define DRAW_CURSOR_TEMPLATE(type_t) \
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do { \
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type_t *cursor; \
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int width_cursor; \
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uint16_t bm_b, bm_w, mask; \
|
||||
\
|
||||
for (line = 0; line < min(20, (y_off + height) - *y); 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 = (type_t*) im_data, width_cursor = 0; \
|
||||
((width_cursor + *x) < (width + x_off) && width_cursor < 16); \
|
||||
cursor++, width_cursor++) { \
|
||||
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; \
|
||||
} \
|
||||
im_data += image->bytes_per_line; \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
static void
|
||||
paintMousePointer(AVFormatContext *s1, X11Grab *s, int *x, int *y, XImage *image)
|
||||
{
|
||||
static const uint16_t const mousePointerBlack[] =
|
||||
{
|
||||
0, 49152, 40960, 36864, 34816,
|
||||
33792, 33280, 33024, 32896, 32832,
|
||||
33728, 37376, 43264, 51456, 1152,
|
||||
1152, 576, 576, 448, 0
|
||||
};
|
||||
static const uint16_t const mousePointerBlack[] =
|
||||
{
|
||||
0, 49152, 40960, 36864, 34816,
|
||||
33792, 33280, 33024, 32896, 32832,
|
||||
33728, 37376, 43264, 51456, 1152,
|
||||
1152, 576, 576, 448, 0
|
||||
};
|
||||
|
||||
static const uint16_t const mousePointerWhite[] =
|
||||
{
|
||||
0, 0, 16384, 24576, 28672,
|
||||
30720, 31744, 32256, 32512, 32640,
|
||||
31744, 27648, 17920, 1536, 768,
|
||||
768, 384, 384, 0, 0
|
||||
};
|
||||
static const uint16_t const mousePointerWhite[] =
|
||||
{
|
||||
0, 0, 16384, 24576, 28672,
|
||||
30720, 31744, 32256, 32512, 32640,
|
||||
31744, 27648, 17920, 1536, 768,
|
||||
768, 384, 384, 0, 0
|
||||
};
|
||||
|
||||
int x_off = s->x_off;
|
||||
int y_off = s->y_off;
|
||||
int width = s->width;
|
||||
int height = s->height;
|
||||
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 = (uint8_t*)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:
|
||||
DRAW_CURSOR_TEMPLATE(uint32_t);
|
||||
break;
|
||||
case 16:
|
||||
DRAW_CURSOR_TEMPLATE(uint16_t);
|
||||
break;
|
||||
default:
|
||||
/* XXX: How do we deal with 24bit and 8bit modes ? */
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ( (*x - x_off) >= 0 && *x < (width + x_off)
|
||||
&& (*y - y_off) >= 0 && *y < (height + y_off) ) {
|
||||
int line;
|
||||
uint8_t *im_data = (uint8_t*)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:
|
||||
DRAW_CURSOR_TEMPLATE(uint32_t);
|
||||
break;
|
||||
case 16:
|
||||
DRAW_CURSOR_TEMPLATE(uint16_t);
|
||||
break;
|
||||
default:
|
||||
/* XXX: How do we deal with 24bit and 8bit modes ? */
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -325,127 +325,127 @@ paintMousePointer(AVFormatContext *s1, X11Grab *s, int *x, int *y, XImage *image
|
||||
static int
|
||||
XGetZPixmap(Display *dpy, Drawable d, XImage *image, int x, int y)
|
||||
{
|
||||
xGetImageReply rep;
|
||||
xGetImageReq *req;
|
||||
long nbytes;
|
||||
|
||||
if (!image) {
|
||||
return False;
|
||||
}
|
||||
xGetImageReply rep;
|
||||
xGetImageReq *req;
|
||||
long nbytes;
|
||||
|
||||
LockDisplay(dpy);
|
||||
GetReq(GetImage, req);
|
||||
if (!image) {
|
||||
return False;
|
||||
}
|
||||
|
||||
/* 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 = (unsigned int)AllPlanes;
|
||||
req->format = ZPixmap;
|
||||
|
||||
if (!_XReply(dpy, (xReply *) &rep, 0, xFalse) || !rep.length) {
|
||||
UnlockDisplay(dpy);
|
||||
SyncHandle();
|
||||
return False;
|
||||
}
|
||||
|
||||
nbytes = (long)rep.length << 2;
|
||||
_XReadPad(dpy, image->data, nbytes);
|
||||
|
||||
UnlockDisplay(dpy);
|
||||
SyncHandle();
|
||||
return True;
|
||||
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 = (unsigned int)AllPlanes;
|
||||
req->format = ZPixmap;
|
||||
|
||||
if (!_XReply(dpy, (xReply *) &rep, 0, xFalse) || !rep.length) {
|
||||
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;
|
||||
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) {
|
||||
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)) {
|
||||
av_log (s1, AV_LOG_INFO, "XShmGetImage() failed\n");
|
||||
}
|
||||
} else {
|
||||
if (!XGetZPixmap(dpy, RootWindow(dpy, DefaultScreen(dpy)), image, x_off, y_off)) {
|
||||
av_log (s1, AV_LOG_INFO, "XGetZPixmap() failed\n");
|
||||
}
|
||||
}
|
||||
int64_t curtime, delay;
|
||||
struct timespec ts;
|
||||
|
||||
{
|
||||
int pointer_x, pointer_y;
|
||||
getCurrentPointer(s1, s, &pointer_x, &pointer_y);
|
||||
paintMousePointer(s1, s, &pointer_x, &pointer_y, image);
|
||||
}
|
||||
/* 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) {
|
||||
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)) {
|
||||
av_log (s1, AV_LOG_INFO, "XShmGetImage() failed\n");
|
||||
}
|
||||
} else {
|
||||
if (!XGetZPixmap(dpy, RootWindow(dpy, DefaultScreen(dpy)), image, x_off, y_off)) {
|
||||
av_log (s1, AV_LOG_INFO, "XGetZPixmap() failed\n");
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
int pointer_x, pointer_y;
|
||||
getCurrentPointer(s1, s, &pointer_x, &pointer_y);
|
||||
paintMousePointer(s1, s, &pointer_x, &pointer_y, image);
|
||||
}
|
||||
|
||||
|
||||
/* XXX: avoid memcpy */
|
||||
memcpy(pkt->data, image->data, s->frame_size);
|
||||
return s->frame_size;
|
||||
/* XXX: 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;
|
||||
X11Grab *x11grab = s1->priv_data;
|
||||
|
||||
/* Detach cleanly from shared mem */
|
||||
if (x11grab->use_shm) {
|
||||
XShmDetach(x11grab->dpy, &x11grab->shminfo);
|
||||
shmdt(x11grab->shminfo.shmaddr);
|
||||
shmctl(x11grab->shminfo.shmid, IPC_RMID, NULL);
|
||||
}
|
||||
/* Detach cleanly from shared mem */
|
||||
if (x11grab->use_shm) {
|
||||
XShmDetach(x11grab->dpy, &x11grab->shminfo);
|
||||
shmdt(x11grab->shminfo.shmaddr);
|
||||
shmctl(x11grab->shminfo.shmid, IPC_RMID, NULL);
|
||||
}
|
||||
|
||||
/* Destroy X11 image */
|
||||
if (x11grab->image) {
|
||||
XDestroyImage(x11grab->image);
|
||||
x11grab->image = NULL;
|
||||
}
|
||||
/* Destroy X11 image */
|
||||
if (x11grab->image) {
|
||||
XDestroyImage(x11grab->image);
|
||||
x11grab->image = NULL;
|
||||
}
|
||||
|
||||
/* Free X11 display */
|
||||
XCloseDisplay(x11grab->dpy);
|
||||
return 0;
|
||||
/* Free X11 display */
|
||||
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,
|
||||
"x11grab",
|
||||
"X11grab",
|
||||
sizeof(X11Grab),
|
||||
NULL,
|
||||
x11grab_read_header,
|
||||
x11grab_read_packet,
|
||||
x11grab_read_close,
|
||||
.flags = AVFMT_NOFILE,
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user