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implement new grabbing interface, as described here:

Browse Source 
ttp://thread.gmane.org/gmane.comp.video.ffmpeg.devel/42920
patch by Ramiro Polla % ramiro A lisha P ufsc P br %
Original thread:
Date: Jan 31, 2007 8:56 PM
Subject: [Ffmpeg-devel] [PATCH] New grabbing interface

Originally committed as revision 7983 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla
2007-02-14 17:01:32 +00:00
committed by Guillaume Poirier
parent 2012121363
commit cc58300e30
11 changed files with 25 additions and 212 deletions
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15
libavformat/x11grab.c
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@@ -97,25 +97,14 @@ x11grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
int use_shm;
char *param, *offset;
if (!ap->device) {
av_log(s1, AV_LOG_ERROR, "AVParameters don't specify any device. Use -vd.\n");
return AVERROR_IO;
}
param = strchr(ap->device, ':');
if (!param) {
av_free(st);
return AVERROR_IO;
}
param = av_strdup(param);
param = av_strdup(s1->filename);
offset = strchr(param, '+');
if (offset) {
sscanf(offset, "%d,%d", &x_off, &y_off);
*offset= 0;
}
av_log(s1, AV_LOG_INFO, "device: %s -> display: %s x: %d y: %d width: %d height: %d\n", ap->device, param, x_off, y_off, ap->width, ap->height);
av_log(s1, AV_LOG_INFO, "device: %s -> display: %s x: %d y: %d width: %d height: %d\n", s1->filename, param, x_off, y_off, ap->width, ap->height);
dpy = XOpenDisplay(param);
if(!dpy) {