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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit84da08d7b7fcda12c85caeb5a10b4903770a6f69 (patch)
tree2a6aea76f2dfffb4cc04bb907c4725af94f70e72 /noatun-plugins/blurscope/sdlscope.cpp
downloadtdeaddons-84da08d7b7fcda12c85caeb5a10b4903770a6f69.tar.gz
tdeaddons-84da08d7b7fcda12c85caeb5a10b4903770a6f69.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/noatun-plugins/blurscope/sdlscope.cpp b/noatun-plugins/blurscope/sdlscope.cpp
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+/*****************************************************************
+
+Copyright (c) 2001 Charles Samuels <charles@kde.org>
+ 2001 Neil Stevens <multivac@fcmail.com>
+ With code stolen from Paul Harrison <pfh@yoyo.cc.monash.edu.au>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIAB\ILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+******************************************************************/
+
+#include <sys/wait.h>
+#include <sys/types.h>
+
+#include "sdlscope.h"
+
+extern "C"
+{
+Plugin *create_plugin()
+{
+ return new SDLScope();
+}
+}
+
+SDLScope::SDLScope()
+ : MonoScope(50)
+ , Plugin()
+{
+ setSamples(320);
+}
+
+SDLScope::~SDLScope()
+{
+ ::close(mOutFd);
+ wait(0);
+}
+
+void SDLScope::init()
+{
+ int pipes[2];
+ ::pipe(pipes);
+ mOutFd=pipes[1];
+ if (!fork())
+ {
+ ::close(pipes[1]);
+ new SDLView(pipes[0]);
+ exit(0);
+ }
+ else
+ {
+ fcntl(mOutFd, F_SETFL, fcntl(mOutFd, F_GETFL) & ~O_NONBLOCK);
+ ::close(pipes[0]);
+ MonoScope::start();
+ }
+}
+
+void SDLScope::scopeEvent(float *d, int size)
+{
+ if (::write(mOutFd, (char *)d, size * sizeof(float))==-1)
+ {
+ MonoScope::stop();
+ unload();
+ }
+}
+