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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
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /mpeglib/lib/output/outputStream.h
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.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/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ generic output class
+ Copyright (C) 1999 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+
+#ifndef __OUTPUTSTREAM_H
+#define __OUTPUTSTREAM_H
+
+#include "../util/timeStamp.h"
+#include "pluginInfo.h"
+#include "../util/render/pictureArray.h"
+#include "../util/abstract/abs_thread.h"
+#include <kdemacros.h>
+
+#define _OUTPUT_WAIT_METHOD_BLOCK 1
+#define _OUTPUT_WAIT_METHOD_POLL 2
+#define _OUTPUT_WAIT_METHOD_CALLBACK 3
+
+
+#define _STREAM_MASK_IS_INIT 1
+#define _STREAM_MASK_IS_EOF 2
+#define _STREAM_MASK_IS_DATA 4
+
+#define _STREAM_MASK_ALL 1+2+4
+
+#define _STREAMTYPE_AUDIO 1
+#define _STREAMTYPE_VIDEO 2
+
+
+/**
+ Outputstream. A nice base class. Mostly obvious methods,
+ except PictureArray.
+ write your picture into this structure
+ and then put it on the surface with the unlock call.
+
+*/
+
+
+/**
+ life of stream states:
+ --------------
+ method flag additional calls
+ construct audioInit()
+
+
+
+ destruct audioInit()
+
+ audioInit isInit=false
+ isEof=false
+ isData=false
+
+ audioSetup isInit=true
+ audioFlush isEof=true
+ audioPlay isData=true
+
+
+ Note: after a call of streamInit we have an "invalid" state
+ obviously there is no stream where eof==false but
+ and has not been initialised.
+
+ another invalid state is audioInit->audioPlay
+
+*/
+
+
+
+
+class KDE_EXPORT OutputStream {
+
+ int audioState;
+ int videoState;
+ abs_thread_mutex_t stateChangeMut;
+ abs_thread_cond_t stateChangeCond;
+
+ public:
+ OutputStream();
+
+ virtual ~OutputStream();
+
+ // Audio Stream handling
+ virtual int audioInit();
+ virtual int audioSetup(int freq,int stereo,int sign,int big,int sampleSize);
+ virtual int audioPlay(TimeStamp* startStamp,
+ TimeStamp* endStamp,char *buffer, int size);
+ virtual void audioFlush();
+
+ // Audio device "/dev/dsp" handling
+ virtual void audioClose();
+ virtual void audioOpen();
+
+ // hack: FIX it
+ virtual int getPreferredDeliverSize();
+
+
+ // stream State handling
+
+ // we return the mask which triggerd (by "AND")
+ // or the current polled mask when method is POLL
+ // Note: you can only wait for "true" signals
+ virtual int waitStreamState(int method,int mask,int streamType);
+
+
+
+
+ // Video Output
+ virtual int videoInit();
+ virtual int openWindow(int width, int height,const char *title);
+ virtual int x11WindowId();
+ virtual void closeWindow();
+ virtual void flushWindow();
+
+
+ // get the current surfaces to draw into
+ virtual PictureArray* lockPictureArray();
+ virtual void unlockPictureArray(PictureArray* pictureArray);
+
+
+
+ // maybe not needed:
+ virtual int getFrameusec();
+ virtual int getOutputInit();
+ virtual void setOutputInit(int lInit);
+
+ // Info Output
+ virtual void writeInfo(class PluginInfo* pluginInfo);
+
+
+ // config Output
+ virtual void config(const char* key,
+ const char* value,void* user_data);
+
+ private:
+ void initStream();
+
+ protected:
+ // sometimes useful, but use with care
+ void sendSignal(int signal,int value,int streamType);
+
+};
+#endif