[Ffmpeg-cvslog] r7303 - trunk/libavformat/x11grab.c
gpoirier
subversion
Wed Dec 13 09:46:31 CET 2006
Author: gpoirier
Date: Wed Dec 13 09:46:31 2006
New Revision: 7303
Modified:
trunk/libavformat/x11grab.c
Log:
Adapt the patch to more recent FFmpeg habits
- Indentation
- Use av_log instead of fprintf
- Removed strdup of the device name. It was unused
- Cleaned things a bit
(patch by Edouard Gomez)
Modified: trunk/libavformat/x11grab.c
==============================================================================
--- trunk/libavformat/x11grab.c (original)
+++ trunk/libavformat/x11grab.c Wed Dec 13 09:46:31 2006
@@ -1,14 +1,14 @@
/*
* X11 video grab interface
- * Copyright (c) 2006 Clemens Fruhwirth
- *
+ * 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
+ * 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
@@ -42,6 +42,7 @@
* 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>
@@ -58,345 +59,361 @@
#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;
+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)
+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;
+ X11Grab *x11grab = s1->priv_data;
+ Display *dpy;
+ AVStream *st = NULL;
+ int width, height;
+ int frame_rate, frame_rate_base, frame_size;
+ int input_pixfmt;
+ XImage *image;
+ int x_off=0; int y_off = 0;
+ int use_shm;
+
+ dpy = XOpenDisplay(NULL);
+ if(!dpy) {
+ goto fail;
+ }
+
+ sscanf(ap->device, "x11:%d,%d", &x_off, &y_off);
+ 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);
+
+ if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
+ av_log(s1, AV_LOG_ERROR, "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);
+ av_log(s1, AV_LOG_INFO, "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) {
+ av_log(s1, AV_LOG_ERROR, "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 (!XShmAttach(dpy, &x11grab->shminfo)) {
+ av_log(s1, AV_LOG_ERROR, "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:
+ av_log (s1, AV_LOG_DEBUG, "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 ) {
+ av_log (s1, AV_LOG_DEBUG, "16 bit RGB565\n");
+ input_pixfmt = PIX_FMT_RGB565;
+ } else if ( image->red_mask == 0x7C00 &&
+ image->green_mask == 0x03E0 &&
+ image->blue_mask == 0x1F ) {
+ av_log(s1, AV_LOG_DEBUG, "16 bit RGB555\n");
+ input_pixfmt = PIX_FMT_RGB555;
+ } else {
+ av_log(s1, AV_LOG_ERROR, "RGB ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
+ 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);
+ 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 {
+ av_log(s1, AV_LOG_ERROR,"rgb ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
+ 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);
+ 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;
- }
+ 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 {
+ av_log(s1, AV_LOG_ERROR,"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;
+ input_pixfmt = PIX_FMT_RGBA32;
+ break;
+ default:
+ av_log(s1, AV_LOG_ERROR, "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);
+ 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 const uint16_t 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 mousePointerWhite[] =
+{
+ 0, 0, 16384, 24576, 28672, 30720, 31744, 32256, 32512, 32640, 31744,
+ 27648, 17920, 1536, 768, 768, 384, 384, 0, 0
+};
+
+static void
+getCurrentPointer(AVFormatContext *s1, 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, (unsigned int*)&dummy)) {
+ } else {
+ av_log(s1, AV_LOG_INFO, "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;
+static void
+paintMousePointer(AVFormatContext *s1, 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 = (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
+ 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;
+ 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 (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 = (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;
+ 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;
+ case 24: // not sure this can occur at all ..........
+ av_log(s1, AV_LOG_ERROR, "input image bits_per_pixel %i not implemented with mouse pointer capture ... aborting!\n",
+ image->bits_per_pixel);
+ av_log(s1, AV_LOG_ERROR, "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 (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");
+ 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;
+ 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 (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;
+ 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;
- // 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");
+ }
+ // 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);
+ im_data += image->bytes_per_line;
+ }
+ }
+ break;
+ default:
+ av_log(s1, AV_LOG_ERROR, "input image bits_per_pixel %i not supported with mouse pointer capture ... aborting!\n",
+ image->bits_per_pixel);
+ exit(1);
#endif
- }
- }
+ }
+ }
}
@@ -407,113 +424,112 @@
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);
+ 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 = (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;
-
- 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)); */
+ 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);
- }
- 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);
- }
+
+ /* 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) {
+ av_log(s1, AV_LOG_DEBUG, "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)) {
+ 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);
+ }
#warning FIXME - avoid memcpy
- memcpy(pkt->data, image->data, s->frame_size);
- return s->frame_size;
+ 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;
+ 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,
+AVInputFormat x11_grab_device_demuxer =
+{
+ "x11grab",
+ "X11 frame graber",
+ sizeof(X11Grab),
+ NULL,
+ x11grab_read_header,
+ x11grab_read_packet,
+ x11grab_read_close,
+ .flags = AVFMT_NOFILE,
};
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